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v8/test/cctest/test-assembler-mips64.cc
predrag.rudic 11f0a0e819 Fix MIPS maddf and msubf instructions in simulator and tests. 
Tests were falling in qemu because of inexact computation in tests.
After correcting tests, simulator also had to be fixed.

Review-Url: https://codereview.chromium.org/2539133002
Cr-Commit-Position: refs/heads/master@{#41447}
2016-12-02 09:12:04 +00:00

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// Copyright 2012 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <iostream> // NOLINT(readability/streams)
#include "src/v8.h"
#include "src/base/utils/random-number-generator.h"
#include "src/disassembler.h"
#include "src/factory.h"
#include "src/macro-assembler.h"
#include "src/mips64/macro-assembler-mips64.h"
#include "src/mips64/simulator-mips64.h"
#include "test/cctest/cctest.h"
using namespace v8::internal;
// Define these function prototypes to match JSEntryFunction in execution.cc.
typedef Object* (*F1)(int x, int p1, int p2, int p3, int p4);
typedef Object* (*F2)(int x, int y, int p2, int p3, int p4);
typedef Object* (*F3)(void* p, int p1, int p2, int p3, int p4);
typedef Object* (*F4)(int64_t x, int64_t y, int64_t p2, int64_t p3, int64_t p4);
#define __ assm.
TEST(MIPS0) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
// Addition.
__ addu(v0, a0, a1);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F2 f = FUNCTION_CAST<F2>(code->entry());
int64_t res = reinterpret_cast<int64_t>(
CALL_GENERATED_CODE(isolate, f, 0xab0, 0xc, 0, 0, 0));
CHECK_EQ(0xabcL, res);
}
TEST(MIPS1) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
Label L, C;
__ mov(a1, a0);
__ li(v0, 0);
__ b(&C);
__ nop();
__ bind(&L);
__ addu(v0, v0, a1);
__ addiu(a1, a1, -1);
__ bind(&C);
__ xori(v1, a1, 0);
__ Branch(&L, ne, v1, Operand((int64_t)0));
__ nop();
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F1 f = FUNCTION_CAST<F1>(code->entry());
int64_t res = reinterpret_cast<int64_t>(
CALL_GENERATED_CODE(isolate, f, 50, 0, 0, 0, 0));
CHECK_EQ(1275L, res);
}
TEST(MIPS2) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
Label exit, error;
// ----- Test all instructions.
// Test lui, ori, and addiu, used in the li pseudo-instruction.
// This way we can then safely load registers with chosen values.
__ ori(a4, zero_reg, 0);
__ lui(a4, 0x1234);
__ ori(a4, a4, 0);
__ ori(a4, a4, 0x0f0f);
__ ori(a4, a4, 0xf0f0);
__ addiu(a5, a4, 1);
__ addiu(a6, a5, -0x10);
// Load values in temporary registers.
__ li(a4, 0x00000004);
__ li(a5, 0x00001234);
__ li(a6, 0x12345678);
__ li(a7, 0x7fffffff);
__ li(t0, 0xfffffffc);
__ li(t1, 0xffffedcc);
__ li(t2, 0xedcba988);
__ li(t3, 0x80000000);
// SPECIAL class.
__ srl(v0, a6, 8); // 0x00123456
__ sll(v0, v0, 11); // 0x91a2b000
__ sra(v0, v0, 3); // 0xf2345600
__ srav(v0, v0, a4); // 0xff234560
__ sllv(v0, v0, a4); // 0xf2345600
__ srlv(v0, v0, a4); // 0x0f234560
__ Branch(&error, ne, v0, Operand(0x0f234560));
__ nop();
__ addu(v0, a4, a5); // 0x00001238
__ subu(v0, v0, a4); // 0x00001234
__ Branch(&error, ne, v0, Operand(0x00001234));
__ nop();
__ addu(v1, a7, a4); // 32bit addu result is sign-extended into 64bit reg.
__ Branch(&error, ne, v1, Operand(0xffffffff80000003));
__ nop();
__ subu(v1, t3, a4); // 0x7ffffffc
__ Branch(&error, ne, v1, Operand(0x7ffffffc));
__ nop();
__ and_(v0, a5, a6); // 0x0000000000001230
__ or_(v0, v0, a5); // 0x0000000000001234
__ xor_(v0, v0, a6); // 0x000000001234444c
__ nor(v0, v0, a6); // 0xffffffffedcba987
__ Branch(&error, ne, v0, Operand(0xffffffffedcba983));
__ nop();
// Shift both 32bit number to left, to preserve meaning of next comparison.
__ dsll32(a7, a7, 0);
__ dsll32(t3, t3, 0);
__ slt(v0, t3, a7);
__ Branch(&error, ne, v0, Operand(0x1));
__ nop();
__ sltu(v0, t3, a7);
__ Branch(&error, ne, v0, Operand(zero_reg));
__ nop();
// Restore original values in registers.
__ dsrl32(a7, a7, 0);
__ dsrl32(t3, t3, 0);
// End of SPECIAL class.
__ addiu(v0, zero_reg, 0x7421); // 0x00007421
__ addiu(v0, v0, -0x1); // 0x00007420
__ addiu(v0, v0, -0x20); // 0x00007400
__ Branch(&error, ne, v0, Operand(0x00007400));
__ nop();
__ addiu(v1, a7, 0x1); // 0x80000000 - result is sign-extended.
__ Branch(&error, ne, v1, Operand(0xffffffff80000000));
__ nop();
__ slti(v0, a5, 0x00002000); // 0x1
__ slti(v0, v0, 0xffff8000); // 0x0
__ Branch(&error, ne, v0, Operand(zero_reg));
__ nop();
__ sltiu(v0, a5, 0x00002000); // 0x1
__ sltiu(v0, v0, 0x00008000); // 0x1
__ Branch(&error, ne, v0, Operand(0x1));
__ nop();
__ andi(v0, a5, 0xf0f0); // 0x00001030
__ ori(v0, v0, 0x8a00); // 0x00009a30
__ xori(v0, v0, 0x83cc); // 0x000019fc
__ Branch(&error, ne, v0, Operand(0x000019fc));
__ nop();
__ lui(v1, 0x8123); // Result is sign-extended into 64bit register.
__ Branch(&error, ne, v1, Operand(0xffffffff81230000));
__ nop();
// Bit twiddling instructions & conditional moves.
// Uses a4-t3 as set above.
__ Clz(v0, a4); // 29
__ Clz(v1, a5); // 19
__ addu(v0, v0, v1); // 48
__ Clz(v1, a6); // 3
__ addu(v0, v0, v1); // 51
__ Clz(v1, t3); // 0
__ addu(v0, v0, v1); // 51
__ Branch(&error, ne, v0, Operand(51));
__ Movn(a0, a7, a4); // Move a0<-a7 (a4 is NOT 0).
__ Ins(a0, a5, 12, 8); // 0x7ff34fff
__ Branch(&error, ne, a0, Operand(0x7ff34fff));
__ Movz(a0, t2, t3); // a0 not updated (t3 is NOT 0).
__ Ext(a1, a0, 8, 12); // 0x34f
__ Branch(&error, ne, a1, Operand(0x34f));
__ Movz(a0, t2, v1); // a0<-t2, v0 is 0, from 8 instr back.
__ Branch(&error, ne, a0, Operand(t2));
// Everything was correctly executed. Load the expected result.
__ li(v0, 0x31415926);
__ b(&exit);
__ nop();
__ bind(&error);
// Got an error. Return a wrong result.
__ li(v0, 666);
__ bind(&exit);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F2 f = FUNCTION_CAST<F2>(code->entry());
int64_t res = reinterpret_cast<int64_t>(
CALL_GENERATED_CODE(isolate, f, 0xab0, 0xc, 0, 0, 0));
CHECK_EQ(0x31415926L, res);
}
TEST(MIPS3) {
// Test floating point instructions.
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
typedef struct {
double a;
double b;
double c;
double d;
double e;
double f;
double g;
double h;
double i;
float fa;
float fb;
float fc;
float fd;
float fe;
float ff;
float fg;
} T;
T t;
// Create a function that accepts &t, and loads, manipulates, and stores
// the doubles t.a ... t.f.
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
Label L, C;
// Double precision floating point instructions.
__ ldc1(f4, MemOperand(a0, offsetof(T, a)) );
__ ldc1(f6, MemOperand(a0, offsetof(T, b)) );
__ add_d(f8, f4, f6);
__ sdc1(f8, MemOperand(a0, offsetof(T, c)) ); // c = a + b.
__ mov_d(f10, f8); // c
__ neg_d(f12, f6); // -b
__ sub_d(f10, f10, f12);
__ sdc1(f10, MemOperand(a0, offsetof(T, d)) ); // d = c - (-b).
__ sdc1(f4, MemOperand(a0, offsetof(T, b)) ); // b = a.
__ li(a4, 120);
__ mtc1(a4, f14);
__ cvt_d_w(f14, f14); // f14 = 120.0.
__ mul_d(f10, f10, f14);
__ sdc1(f10, MemOperand(a0, offsetof(T, e)) ); // e = d * 120 = 1.8066e16.
__ div_d(f12, f10, f4);
__ sdc1(f12, MemOperand(a0, offsetof(T, f)) ); // f = e / a = 120.44.
__ sqrt_d(f14, f12);
__ sdc1(f14, MemOperand(a0, offsetof(T, g)) );
// g = sqrt(f) = 10.97451593465515908537
if (kArchVariant == kMips64r2) {
__ ldc1(f4, MemOperand(a0, offsetof(T, h)) );
__ ldc1(f6, MemOperand(a0, offsetof(T, i)) );
__ madd_d(f14, f6, f4, f6);
__ sdc1(f14, MemOperand(a0, offsetof(T, h)) );
}
// Single precision floating point instructions.
__ lwc1(f4, MemOperand(a0, offsetof(T, fa)) );
__ lwc1(f6, MemOperand(a0, offsetof(T, fb)) );
__ add_s(f8, f4, f6);
__ swc1(f8, MemOperand(a0, offsetof(T, fc)) ); // fc = fa + fb.
__ neg_s(f10, f6); // -fb
__ sub_s(f10, f8, f10);
__ swc1(f10, MemOperand(a0, offsetof(T, fd)) ); // fd = fc - (-fb).
__ swc1(f4, MemOperand(a0, offsetof(T, fb)) ); // fb = fa.
__ li(t0, 120);
__ mtc1(t0, f14);
__ cvt_s_w(f14, f14); // f14 = 120.0.
__ mul_s(f10, f10, f14);
__ swc1(f10, MemOperand(a0, offsetof(T, fe)) ); // fe = fd * 120
__ div_s(f12, f10, f4);
__ swc1(f12, MemOperand(a0, offsetof(T, ff)) ); // ff = fe / fa
__ sqrt_s(f14, f12);
__ swc1(f14, MemOperand(a0, offsetof(T, fg)) );
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
// Double test values.
t.a = 1.5e14;
t.b = 2.75e11;
t.c = 0.0;
t.d = 0.0;
t.e = 0.0;
t.f = 0.0;
t.h = 1.5;
t.i = 2.75;
// Single test values.
t.fa = 1.5e6;
t.fb = 2.75e4;
t.fc = 0.0;
t.fd = 0.0;
t.fe = 0.0;
t.ff = 0.0;
Object* dummy = CALL_GENERATED_CODE(isolate, f, &t, 0, 0, 0, 0);
USE(dummy);
// Expected double results.
CHECK_EQ(1.5e14, t.a);
CHECK_EQ(1.5e14, t.b);
CHECK_EQ(1.50275e14, t.c);
CHECK_EQ(1.50550e14, t.d);
CHECK_EQ(1.8066e16, t.e);
CHECK_EQ(120.44, t.f);
CHECK_EQ(10.97451593465515908537, t.g);
if (kArchVariant == kMips64r2) {
CHECK_EQ(6.875, t.h);
}
// Expected single results.
CHECK_EQ(1.5e6, t.fa);
CHECK_EQ(1.5e6, t.fb);
CHECK_EQ(1.5275e06, t.fc);
CHECK_EQ(1.5550e06, t.fd);
CHECK_EQ(1.866e08, t.fe);
CHECK_EQ(124.40000152587890625, t.ff);
CHECK_EQ(11.1534748077392578125, t.fg);
}
TEST(MIPS4) {
// Test moves between floating point and integer registers.
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
typedef struct {
double a;
double b;
double c;
double d;
int64_t high;
int64_t low;
} T;
T t;
Assembler assm(isolate, NULL, 0);
Label L, C;
__ ldc1(f4, MemOperand(a0, offsetof(T, a)));
__ ldc1(f5, MemOperand(a0, offsetof(T, b)));
// Swap f4 and f5, by using 3 integer registers, a4-a6,
// both two 32-bit chunks, and one 64-bit chunk.
// mXhc1 is mips32/64-r2 only, not r1,
// but we will not support r1 in practice.
__ mfc1(a4, f4);
__ mfhc1(a5, f4);
__ dmfc1(a6, f5);
__ mtc1(a4, f5);
__ mthc1(a5, f5);
__ dmtc1(a6, f4);
// Store the swapped f4 and f5 back to memory.
__ sdc1(f4, MemOperand(a0, offsetof(T, a)));
__ sdc1(f5, MemOperand(a0, offsetof(T, c)));
// Test sign extension of move operations from coprocessor.
__ ldc1(f4, MemOperand(a0, offsetof(T, d)));
__ mfhc1(a4, f4);
__ mfc1(a5, f4);
__ sd(a4, MemOperand(a0, offsetof(T, high)));
__ sd(a5, MemOperand(a0, offsetof(T, low)));
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
t.a = 1.5e22;
t.b = 2.75e11;
t.c = 17.17;
t.d = -2.75e11;
Object* dummy = CALL_GENERATED_CODE(isolate, f, &t, 0, 0, 0, 0);
USE(dummy);
CHECK_EQ(2.75e11, t.a);
CHECK_EQ(2.75e11, t.b);
CHECK_EQ(1.5e22, t.c);
CHECK_EQ(static_cast<int64_t>(0xffffffffc25001d1L), t.high);
CHECK_EQ(static_cast<int64_t>(0xffffffffbf800000L), t.low);
}
TEST(MIPS5) {
// Test conversions between doubles and integers.
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
typedef struct {
double a;
double b;
int i;
int j;
} T;
T t;
Assembler assm(isolate, NULL, 0);
Label L, C;
// Load all structure elements to registers.
__ ldc1(f4, MemOperand(a0, offsetof(T, a)) );
__ ldc1(f6, MemOperand(a0, offsetof(T, b)) );
__ lw(a4, MemOperand(a0, offsetof(T, i)) );
__ lw(a5, MemOperand(a0, offsetof(T, j)) );
// Convert double in f4 to int in element i.
__ cvt_w_d(f8, f4);
__ mfc1(a6, f8);
__ sw(a6, MemOperand(a0, offsetof(T, i)) );
// Convert double in f6 to int in element j.
__ cvt_w_d(f10, f6);
__ mfc1(a7, f10);
__ sw(a7, MemOperand(a0, offsetof(T, j)) );
// Convert int in original i (a4) to double in a.
__ mtc1(a4, f12);
__ cvt_d_w(f0, f12);
__ sdc1(f0, MemOperand(a0, offsetof(T, a)) );
// Convert int in original j (a5) to double in b.
__ mtc1(a5, f14);
__ cvt_d_w(f2, f14);
__ sdc1(f2, MemOperand(a0, offsetof(T, b)) );
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
t.a = 1.5e4;
t.b = 2.75e8;
t.i = 12345678;
t.j = -100000;
Object* dummy = CALL_GENERATED_CODE(isolate, f, &t, 0, 0, 0, 0);
USE(dummy);
CHECK_EQ(12345678.0, t.a);
CHECK_EQ(-100000.0, t.b);
CHECK_EQ(15000, t.i);
CHECK_EQ(275000000, t.j);
}
TEST(MIPS6) {
// Test simple memory loads and stores.
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
typedef struct {
uint32_t ui;
int32_t si;
int32_t r1;
int32_t r2;
int32_t r3;
int32_t r4;
int32_t r5;
int32_t r6;
} T;
T t;
Assembler assm(isolate, NULL, 0);
Label L, C;
// Basic word load/store.
__ lw(a4, MemOperand(a0, offsetof(T, ui)) );
__ sw(a4, MemOperand(a0, offsetof(T, r1)) );
// lh with positive data.
__ lh(a5, MemOperand(a0, offsetof(T, ui)) );
__ sw(a5, MemOperand(a0, offsetof(T, r2)) );
// lh with negative data.
__ lh(a6, MemOperand(a0, offsetof(T, si)) );
__ sw(a6, MemOperand(a0, offsetof(T, r3)) );
// lhu with negative data.
__ lhu(a7, MemOperand(a0, offsetof(T, si)) );
__ sw(a7, MemOperand(a0, offsetof(T, r4)) );
// lb with negative data.
__ lb(t0, MemOperand(a0, offsetof(T, si)) );
__ sw(t0, MemOperand(a0, offsetof(T, r5)) );
// sh writes only 1/2 of word.
__ lui(t1, 0x3333);
__ ori(t1, t1, 0x3333);
__ sw(t1, MemOperand(a0, offsetof(T, r6)) );
__ lhu(t1, MemOperand(a0, offsetof(T, si)) );
__ sh(t1, MemOperand(a0, offsetof(T, r6)) );
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
t.ui = 0x11223344;
t.si = 0x99aabbcc;
Object* dummy = CALL_GENERATED_CODE(isolate, f, &t, 0, 0, 0, 0);
USE(dummy);
CHECK_EQ(static_cast<int32_t>(0x11223344), t.r1);
if (kArchEndian == kLittle) {
CHECK_EQ(static_cast<int32_t>(0x3344), t.r2);
CHECK_EQ(static_cast<int32_t>(0xffffbbcc), t.r3);
CHECK_EQ(static_cast<int32_t>(0x0000bbcc), t.r4);
CHECK_EQ(static_cast<int32_t>(0xffffffcc), t.r5);
CHECK_EQ(static_cast<int32_t>(0x3333bbcc), t.r6);
} else {
CHECK_EQ(static_cast<int32_t>(0x1122), t.r2);
CHECK_EQ(static_cast<int32_t>(0xffff99aa), t.r3);
CHECK_EQ(static_cast<int32_t>(0x000099aa), t.r4);
CHECK_EQ(static_cast<int32_t>(0xffffff99), t.r5);
CHECK_EQ(static_cast<int32_t>(0x99aa3333), t.r6);
}
}
TEST(MIPS7) {
// Test floating point compare and branch instructions.
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
typedef struct {
double a;
double b;
double c;
double d;
double e;
double f;
int32_t result;
} T;
T t;
// Create a function that accepts &t, and loads, manipulates, and stores
// the doubles t.a ... t.f.
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
Label neither_is_nan, less_than, outa_here;
__ ldc1(f4, MemOperand(a0, offsetof(T, a)) );
__ ldc1(f6, MemOperand(a0, offsetof(T, b)) );
if (kArchVariant != kMips64r6) {
__ c(UN, D, f4, f6);
__ bc1f(&neither_is_nan);
} else {
__ cmp(UN, L, f2, f4, f6);
__ bc1eqz(&neither_is_nan, f2);
}
__ nop();
__ sw(zero_reg, MemOperand(a0, offsetof(T, result)) );
__ Branch(&outa_here);
__ bind(&neither_is_nan);
if (kArchVariant == kMips64r6) {
__ cmp(OLT, L, f2, f6, f4);
__ bc1nez(&less_than, f2);
} else {
__ c(OLT, D, f6, f4, 2);
__ bc1t(&less_than, 2);
}
__ nop();
__ sw(zero_reg, MemOperand(a0, offsetof(T, result)) );
__ Branch(&outa_here);
__ bind(&less_than);
__ Addu(a4, zero_reg, Operand(1));
__ sw(a4, MemOperand(a0, offsetof(T, result)) ); // Set true.
// This test-case should have additional tests.
__ bind(&outa_here);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
t.a = 1.5e14;
t.b = 2.75e11;
t.c = 2.0;
t.d = -4.0;
t.e = 0.0;
t.f = 0.0;
t.result = 0;
Object* dummy = CALL_GENERATED_CODE(isolate, f, &t, 0, 0, 0, 0);
USE(dummy);
CHECK_EQ(1.5e14, t.a);
CHECK_EQ(2.75e11, t.b);
CHECK_EQ(1, t.result);
}
TEST(MIPS8) {
if (kArchVariant == kMips64r2) {
// Test ROTR and ROTRV instructions.
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
typedef struct {
int32_t input;
int32_t result_rotr_4;
int32_t result_rotr_8;
int32_t result_rotr_12;
int32_t result_rotr_16;
int32_t result_rotr_20;
int32_t result_rotr_24;
int32_t result_rotr_28;
int32_t result_rotrv_4;
int32_t result_rotrv_8;
int32_t result_rotrv_12;
int32_t result_rotrv_16;
int32_t result_rotrv_20;
int32_t result_rotrv_24;
int32_t result_rotrv_28;
} T;
T t;
MacroAssembler assm(isolate, NULL, 0,
v8::internal::CodeObjectRequired::kYes);
// Basic word load.
__ lw(a4, MemOperand(a0, offsetof(T, input)) );
// ROTR instruction (called through the Ror macro).
__ Ror(a5, a4, 0x0004);
__ Ror(a6, a4, 0x0008);
__ Ror(a7, a4, 0x000c);
__ Ror(t0, a4, 0x0010);
__ Ror(t1, a4, 0x0014);
__ Ror(t2, a4, 0x0018);
__ Ror(t3, a4, 0x001c);
// Basic word store.
__ sw(a5, MemOperand(a0, offsetof(T, result_rotr_4)) );
__ sw(a6, MemOperand(a0, offsetof(T, result_rotr_8)) );
__ sw(a7, MemOperand(a0, offsetof(T, result_rotr_12)) );
__ sw(t0, MemOperand(a0, offsetof(T, result_rotr_16)) );
__ sw(t1, MemOperand(a0, offsetof(T, result_rotr_20)) );
__ sw(t2, MemOperand(a0, offsetof(T, result_rotr_24)) );
__ sw(t3, MemOperand(a0, offsetof(T, result_rotr_28)) );
// ROTRV instruction (called through the Ror macro).
__ li(t3, 0x0004);
__ Ror(a5, a4, t3);
__ li(t3, 0x0008);
__ Ror(a6, a4, t3);
__ li(t3, 0x000C);
__ Ror(a7, a4, t3);
__ li(t3, 0x0010);
__ Ror(t0, a4, t3);
__ li(t3, 0x0014);
__ Ror(t1, a4, t3);
__ li(t3, 0x0018);
__ Ror(t2, a4, t3);
__ li(t3, 0x001C);
__ Ror(t3, a4, t3);
// Basic word store.
__ sw(a5, MemOperand(a0, offsetof(T, result_rotrv_4)) );
__ sw(a6, MemOperand(a0, offsetof(T, result_rotrv_8)) );
__ sw(a7, MemOperand(a0, offsetof(T, result_rotrv_12)) );
__ sw(t0, MemOperand(a0, offsetof(T, result_rotrv_16)) );
__ sw(t1, MemOperand(a0, offsetof(T, result_rotrv_20)) );
__ sw(t2, MemOperand(a0, offsetof(T, result_rotrv_24)) );
__ sw(t3, MemOperand(a0, offsetof(T, result_rotrv_28)) );
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
t.input = 0x12345678;
Object* dummy = CALL_GENERATED_CODE(isolate, f, &t, 0x0, 0, 0, 0);
USE(dummy);
CHECK_EQ(static_cast<int32_t>(0x81234567), t.result_rotr_4);
CHECK_EQ(static_cast<int32_t>(0x78123456), t.result_rotr_8);
CHECK_EQ(static_cast<int32_t>(0x67812345), t.result_rotr_12);
CHECK_EQ(static_cast<int32_t>(0x56781234), t.result_rotr_16);
CHECK_EQ(static_cast<int32_t>(0x45678123), t.result_rotr_20);
CHECK_EQ(static_cast<int32_t>(0x34567812), t.result_rotr_24);
CHECK_EQ(static_cast<int32_t>(0x23456781), t.result_rotr_28);
CHECK_EQ(static_cast<int32_t>(0x81234567), t.result_rotrv_4);
CHECK_EQ(static_cast<int32_t>(0x78123456), t.result_rotrv_8);
CHECK_EQ(static_cast<int32_t>(0x67812345), t.result_rotrv_12);
CHECK_EQ(static_cast<int32_t>(0x56781234), t.result_rotrv_16);
CHECK_EQ(static_cast<int32_t>(0x45678123), t.result_rotrv_20);
CHECK_EQ(static_cast<int32_t>(0x34567812), t.result_rotrv_24);
CHECK_EQ(static_cast<int32_t>(0x23456781), t.result_rotrv_28);
}
}
TEST(MIPS9) {
// Test BRANCH improvements.
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
Label exit, exit2, exit3;
__ Branch(&exit, ge, a0, Operand(zero_reg));
__ Branch(&exit2, ge, a0, Operand(0x00001FFF));
__ Branch(&exit3, ge, a0, Operand(0x0001FFFF));
__ bind(&exit);
__ bind(&exit2);
__ bind(&exit3);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
}
TEST(MIPS10) {
// Test conversions between doubles and long integers.
// Test hos the long ints map to FP regs pairs.
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
typedef struct {
double a;
double a_converted;
double b;
int32_t dbl_mant;
int32_t dbl_exp;
int32_t long_hi;
int32_t long_lo;
int64_t long_as_int64;
int32_t b_long_hi;
int32_t b_long_lo;
int64_t b_long_as_int64;
} T;
T t;
Assembler assm(isolate, NULL, 0);
Label L, C;
if (kArchVariant == kMips64r2) {
// Rewritten for FR=1 FPU mode:
// - 32 FP regs of 64-bits each, no odd/even pairs.
// - Note that cvt_l_d/cvt_d_l ARE legal in FR=1 mode.
// Load all structure elements to registers.
__ ldc1(f0, MemOperand(a0, offsetof(T, a)));
// Save the raw bits of the double.
__ mfc1(a4, f0);
__ mfhc1(a5, f0);
__ sw(a4, MemOperand(a0, offsetof(T, dbl_mant)));
__ sw(a5, MemOperand(a0, offsetof(T, dbl_exp)));
// Convert double in f0 to long, save hi/lo parts.
__ cvt_l_d(f0, f0);
__ mfc1(a4, f0); // f0 LS 32 bits of long.
__ mfhc1(a5, f0); // f0 MS 32 bits of long.
__ sw(a4, MemOperand(a0, offsetof(T, long_lo)));
__ sw(a5, MemOperand(a0, offsetof(T, long_hi)));
// Combine the high/low ints, convert back to double.
__ dsll32(a6, a5, 0); // Move a5 to high bits of a6.
__ or_(a6, a6, a4);
__ dmtc1(a6, f1);
__ cvt_d_l(f1, f1);
__ sdc1(f1, MemOperand(a0, offsetof(T, a_converted)));
// Convert the b long integers to double b.
__ lw(a4, MemOperand(a0, offsetof(T, b_long_lo)));
__ lw(a5, MemOperand(a0, offsetof(T, b_long_hi)));
__ mtc1(a4, f8); // f8 LS 32-bits.
__ mthc1(a5, f8); // f8 MS 32-bits.
__ cvt_d_l(f10, f8);
__ sdc1(f10, MemOperand(a0, offsetof(T, b)));
// Convert double b back to long-int.
__ ldc1(f31, MemOperand(a0, offsetof(T, b)));
__ cvt_l_d(f31, f31);
__ dmfc1(a7, f31);
__ sd(a7, MemOperand(a0, offsetof(T, b_long_as_int64)));
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
t.a = 2.147483647e9; // 0x7fffffff -> 0x41DFFFFFFFC00000 as double.
t.b_long_hi = 0x000000ff; // 0xFF00FF00FF -> 0x426FE01FE01FE000 as double.
t.b_long_lo = 0x00ff00ff;
Object* dummy = CALL_GENERATED_CODE(isolate, f, &t, 0, 0, 0, 0);
USE(dummy);
CHECK_EQ(static_cast<int32_t>(0x41DFFFFF), t.dbl_exp);
CHECK_EQ(static_cast<int32_t>(0xFFC00000), t.dbl_mant);
CHECK_EQ(0, t.long_hi);
CHECK_EQ(static_cast<int32_t>(0x7fffffff), t.long_lo);
CHECK_EQ(2.147483647e9, t.a_converted);
// 0xFF00FF00FF -> 1.095233372415e12.
CHECK_EQ(1.095233372415e12, t.b);
CHECK_EQ(static_cast<int64_t>(0xFF00FF00FF), t.b_long_as_int64);
}
}
TEST(MIPS11) {
// Do not run test on MIPS64r6, as these instructions are removed.
if (kArchVariant != kMips64r6) {
// Test LWL, LWR, SWL and SWR instructions.
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
typedef struct {
int32_t reg_init;
int32_t mem_init;
int32_t lwl_0;
int32_t lwl_1;
int32_t lwl_2;
int32_t lwl_3;
int32_t lwr_0;
int32_t lwr_1;
int32_t lwr_2;
int32_t lwr_3;
int32_t swl_0;
int32_t swl_1;
int32_t swl_2;
int32_t swl_3;
int32_t swr_0;
int32_t swr_1;
int32_t swr_2;
int32_t swr_3;
} T;
T t;
Assembler assm(isolate, NULL, 0);
// Test all combinations of LWL and vAddr.
__ lw(a4, MemOperand(a0, offsetof(T, reg_init)));
__ lwl(a4, MemOperand(a0, offsetof(T, mem_init)));
__ sw(a4, MemOperand(a0, offsetof(T, lwl_0)));
__ lw(a5, MemOperand(a0, offsetof(T, reg_init)));
__ lwl(a5, MemOperand(a0, offsetof(T, mem_init) + 1));
__ sw(a5, MemOperand(a0, offsetof(T, lwl_1)));
__ lw(a6, MemOperand(a0, offsetof(T, reg_init)));
__ lwl(a6, MemOperand(a0, offsetof(T, mem_init) + 2));
__ sw(a6, MemOperand(a0, offsetof(T, lwl_2)));
__ lw(a7, MemOperand(a0, offsetof(T, reg_init)));
__ lwl(a7, MemOperand(a0, offsetof(T, mem_init) + 3));
__ sw(a7, MemOperand(a0, offsetof(T, lwl_3)));
// Test all combinations of LWR and vAddr.
__ lw(a4, MemOperand(a0, offsetof(T, reg_init)));
__ lwr(a4, MemOperand(a0, offsetof(T, mem_init)));
__ sw(a4, MemOperand(a0, offsetof(T, lwr_0)));
__ lw(a5, MemOperand(a0, offsetof(T, reg_init)));
__ lwr(a5, MemOperand(a0, offsetof(T, mem_init) + 1));
__ sw(a5, MemOperand(a0, offsetof(T, lwr_1)));
__ lw(a6, MemOperand(a0, offsetof(T, reg_init)));
__ lwr(a6, MemOperand(a0, offsetof(T, mem_init) + 2));
__ sw(a6, MemOperand(a0, offsetof(T, lwr_2)) );
__ lw(a7, MemOperand(a0, offsetof(T, reg_init)));
__ lwr(a7, MemOperand(a0, offsetof(T, mem_init) + 3));
__ sw(a7, MemOperand(a0, offsetof(T, lwr_3)) );
// Test all combinations of SWL and vAddr.
__ lw(a4, MemOperand(a0, offsetof(T, mem_init)));
__ sw(a4, MemOperand(a0, offsetof(T, swl_0)));
__ lw(a4, MemOperand(a0, offsetof(T, reg_init)));
__ swl(a4, MemOperand(a0, offsetof(T, swl_0)));
__ lw(a5, MemOperand(a0, offsetof(T, mem_init)));
__ sw(a5, MemOperand(a0, offsetof(T, swl_1)));
__ lw(a5, MemOperand(a0, offsetof(T, reg_init)));
__ swl(a5, MemOperand(a0, offsetof(T, swl_1) + 1));
__ lw(a6, MemOperand(a0, offsetof(T, mem_init)));
__ sw(a6, MemOperand(a0, offsetof(T, swl_2)));
__ lw(a6, MemOperand(a0, offsetof(T, reg_init)));
__ swl(a6, MemOperand(a0, offsetof(T, swl_2) + 2));
__ lw(a7, MemOperand(a0, offsetof(T, mem_init)));
__ sw(a7, MemOperand(a0, offsetof(T, swl_3)));
__ lw(a7, MemOperand(a0, offsetof(T, reg_init)));
__ swl(a7, MemOperand(a0, offsetof(T, swl_3) + 3));
// Test all combinations of SWR and vAddr.
__ lw(a4, MemOperand(a0, offsetof(T, mem_init)));
__ sw(a4, MemOperand(a0, offsetof(T, swr_0)));
__ lw(a4, MemOperand(a0, offsetof(T, reg_init)));
__ swr(a4, MemOperand(a0, offsetof(T, swr_0)));
__ lw(a5, MemOperand(a0, offsetof(T, mem_init)));
__ sw(a5, MemOperand(a0, offsetof(T, swr_1)));
__ lw(a5, MemOperand(a0, offsetof(T, reg_init)));
__ swr(a5, MemOperand(a0, offsetof(T, swr_1) + 1));
__ lw(a6, MemOperand(a0, offsetof(T, mem_init)));
__ sw(a6, MemOperand(a0, offsetof(T, swr_2)));
__ lw(a6, MemOperand(a0, offsetof(T, reg_init)));
__ swr(a6, MemOperand(a0, offsetof(T, swr_2) + 2));
__ lw(a7, MemOperand(a0, offsetof(T, mem_init)));
__ sw(a7, MemOperand(a0, offsetof(T, swr_3)));
__ lw(a7, MemOperand(a0, offsetof(T, reg_init)));
__ swr(a7, MemOperand(a0, offsetof(T, swr_3) + 3));
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
t.reg_init = 0xaabbccdd;
t.mem_init = 0x11223344;
Object* dummy = CALL_GENERATED_CODE(isolate, f, &t, 0, 0, 0, 0);
USE(dummy);
if (kArchEndian == kLittle) {
CHECK_EQ(static_cast<int32_t>(0x44bbccdd), t.lwl_0);
CHECK_EQ(static_cast<int32_t>(0x3344ccdd), t.lwl_1);
CHECK_EQ(static_cast<int32_t>(0x223344dd), t.lwl_2);
CHECK_EQ(static_cast<int32_t>(0x11223344), t.lwl_3);
CHECK_EQ(static_cast<int32_t>(0x11223344), t.lwr_0);
CHECK_EQ(static_cast<int32_t>(0xaa112233), t.lwr_1);
CHECK_EQ(static_cast<int32_t>(0xaabb1122), t.lwr_2);
CHECK_EQ(static_cast<int32_t>(0xaabbcc11), t.lwr_3);
CHECK_EQ(static_cast<int32_t>(0x112233aa), t.swl_0);
CHECK_EQ(static_cast<int32_t>(0x1122aabb), t.swl_1);
CHECK_EQ(static_cast<int32_t>(0x11aabbcc), t.swl_2);
CHECK_EQ(static_cast<int32_t>(0xaabbccdd), t.swl_3);
CHECK_EQ(static_cast<int32_t>(0xaabbccdd), t.swr_0);
CHECK_EQ(static_cast<int32_t>(0xbbccdd44), t.swr_1);
CHECK_EQ(static_cast<int32_t>(0xccdd3344), t.swr_2);
CHECK_EQ(static_cast<int32_t>(0xdd223344), t.swr_3);
} else {
CHECK_EQ(static_cast<int32_t>(0x11223344), t.lwl_0);
CHECK_EQ(static_cast<int32_t>(0x223344dd), t.lwl_1);
CHECK_EQ(static_cast<int32_t>(0x3344ccdd), t.lwl_2);
CHECK_EQ(static_cast<int32_t>(0x44bbccdd), t.lwl_3);
CHECK_EQ(static_cast<int32_t>(0xaabbcc11), t.lwr_0);
CHECK_EQ(static_cast<int32_t>(0xaabb1122), t.lwr_1);
CHECK_EQ(static_cast<int32_t>(0xaa112233), t.lwr_2);
CHECK_EQ(static_cast<int32_t>(0x11223344), t.lwr_3);
CHECK_EQ(static_cast<int32_t>(0xaabbccdd), t.swl_0);
CHECK_EQ(static_cast<int32_t>(0x11aabbcc), t.swl_1);
CHECK_EQ(static_cast<int32_t>(0x1122aabb), t.swl_2);
CHECK_EQ(static_cast<int32_t>(0x112233aa), t.swl_3);
CHECK_EQ(static_cast<int32_t>(0xdd223344), t.swr_0);
CHECK_EQ(static_cast<int32_t>(0xccdd3344), t.swr_1);
CHECK_EQ(static_cast<int32_t>(0xbbccdd44), t.swr_2);
CHECK_EQ(static_cast<int32_t>(0xaabbccdd), t.swr_3);
}
}
}
TEST(MIPS12) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
typedef struct {
int32_t x;
int32_t y;
int32_t y1;
int32_t y2;
int32_t y3;
int32_t y4;
} T;
T t;
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
__ mov(t2, fp); // Save frame pointer.
__ mov(fp, a0); // Access struct T by fp.
__ lw(a4, MemOperand(a0, offsetof(T, y)));
__ lw(a7, MemOperand(a0, offsetof(T, y4)));
__ addu(a5, a4, a7);
__ subu(t0, a4, a7);
__ nop();
__ push(a4); // These instructions disappear after opt.
__ Pop();
__ addu(a4, a4, a4);
__ nop();
__ Pop(); // These instructions disappear after opt.
__ push(a7);
__ nop();
__ push(a7); // These instructions disappear after opt.
__ pop(a7);
__ nop();
__ push(a7);
__ pop(t0);
__ nop();
__ sw(a4, MemOperand(fp, offsetof(T, y)));
__ lw(a4, MemOperand(fp, offsetof(T, y)));
__ nop();
__ sw(a4, MemOperand(fp, offsetof(T, y)));
__ lw(a5, MemOperand(fp, offsetof(T, y)));
__ nop();
__ push(a5);
__ lw(a5, MemOperand(fp, offsetof(T, y)));
__ pop(a5);
__ nop();
__ push(a5);
__ lw(a6, MemOperand(fp, offsetof(T, y)));
__ pop(a5);
__ nop();
__ push(a5);
__ lw(a6, MemOperand(fp, offsetof(T, y)));
__ pop(a6);
__ nop();
__ push(a6);
__ lw(a6, MemOperand(fp, offsetof(T, y)));
__ pop(a5);
__ nop();
__ push(a5);
__ lw(a6, MemOperand(fp, offsetof(T, y)));
__ pop(a7);
__ nop();
__ mov(fp, t2);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
t.x = 1;
t.y = 2;
t.y1 = 3;
t.y2 = 4;
t.y3 = 0XBABA;
t.y4 = 0xDEDA;
Object* dummy = CALL_GENERATED_CODE(isolate, f, &t, 0, 0, 0, 0);
USE(dummy);
CHECK_EQ(3, t.y1);
}
TEST(MIPS13) {
// Test Cvt_d_uw and Trunc_uw_d macros.
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
typedef struct {
double cvt_big_out;
double cvt_small_out;
uint32_t trunc_big_out;
uint32_t trunc_small_out;
uint32_t cvt_big_in;
uint32_t cvt_small_in;
} T;
T t;
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
__ sw(a4, MemOperand(a0, offsetof(T, cvt_small_in)));
__ Cvt_d_uw(f10, a4);
__ sdc1(f10, MemOperand(a0, offsetof(T, cvt_small_out)));
__ Trunc_uw_d(f10, f10, f4);
__ swc1(f10, MemOperand(a0, offsetof(T, trunc_small_out)));
__ sw(a4, MemOperand(a0, offsetof(T, cvt_big_in)));
__ Cvt_d_uw(f8, a4);
__ sdc1(f8, MemOperand(a0, offsetof(T, cvt_big_out)));
__ Trunc_uw_d(f8, f8, f4);
__ swc1(f8, MemOperand(a0, offsetof(T, trunc_big_out)));
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
t.cvt_big_in = 0xFFFFFFFF;
t.cvt_small_in = 333;
Object* dummy = CALL_GENERATED_CODE(isolate, f, &t, 0, 0, 0, 0);
USE(dummy);
CHECK_EQ(t.cvt_big_out, static_cast<double>(t.cvt_big_in));
CHECK_EQ(t.cvt_small_out, static_cast<double>(t.cvt_small_in));
CHECK_EQ(static_cast<int>(t.trunc_big_out), static_cast<int>(t.cvt_big_in));
CHECK_EQ(static_cast<int>(t.trunc_small_out),
static_cast<int>(t.cvt_small_in));
}
TEST(MIPS14) {
// Test round, floor, ceil, trunc, cvt.
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
#define ROUND_STRUCT_ELEMENT(x) \
uint32_t x##_isNaN2008; \
int32_t x##_up_out; \
int32_t x##_down_out; \
int32_t neg_##x##_up_out; \
int32_t neg_##x##_down_out; \
uint32_t x##_err1_out; \
uint32_t x##_err2_out; \
uint32_t x##_err3_out; \
uint32_t x##_err4_out; \
int32_t x##_invalid_result;
typedef struct {
double round_up_in;
double round_down_in;
double neg_round_up_in;
double neg_round_down_in;
double err1_in;
double err2_in;
double err3_in;
double err4_in;
ROUND_STRUCT_ELEMENT(round)
ROUND_STRUCT_ELEMENT(floor)
ROUND_STRUCT_ELEMENT(ceil)
ROUND_STRUCT_ELEMENT(trunc)
ROUND_STRUCT_ELEMENT(cvt)
} T;
T t;
#undef ROUND_STRUCT_ELEMENT
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
// Save FCSR.
__ cfc1(a1, FCSR);
// Disable FPU exceptions.
__ ctc1(zero_reg, FCSR);
#define RUN_ROUND_TEST(x) \
__ cfc1(t0, FCSR);\
__ sw(t0, MemOperand(a0, offsetof(T, x##_isNaN2008))); \
__ ldc1(f0, MemOperand(a0, offsetof(T, round_up_in))); \
__ x##_w_d(f0, f0); \
__ swc1(f0, MemOperand(a0, offsetof(T, x##_up_out))); \
\
__ ldc1(f0, MemOperand(a0, offsetof(T, round_down_in))); \
__ x##_w_d(f0, f0); \
__ swc1(f0, MemOperand(a0, offsetof(T, x##_down_out))); \
\
__ ldc1(f0, MemOperand(a0, offsetof(T, neg_round_up_in))); \
__ x##_w_d(f0, f0); \
__ swc1(f0, MemOperand(a0, offsetof(T, neg_##x##_up_out))); \
\
__ ldc1(f0, MemOperand(a0, offsetof(T, neg_round_down_in))); \
__ x##_w_d(f0, f0); \
__ swc1(f0, MemOperand(a0, offsetof(T, neg_##x##_down_out))); \
\
__ ldc1(f0, MemOperand(a0, offsetof(T, err1_in))); \
__ ctc1(zero_reg, FCSR); \
__ x##_w_d(f0, f0); \
__ cfc1(a2, FCSR); \
__ sw(a2, MemOperand(a0, offsetof(T, x##_err1_out))); \
\
__ ldc1(f0, MemOperand(a0, offsetof(T, err2_in))); \
__ ctc1(zero_reg, FCSR); \
__ x##_w_d(f0, f0); \
__ cfc1(a2, FCSR); \
__ sw(a2, MemOperand(a0, offsetof(T, x##_err2_out))); \
\
__ ldc1(f0, MemOperand(a0, offsetof(T, err3_in))); \
__ ctc1(zero_reg, FCSR); \
__ x##_w_d(f0, f0); \
__ cfc1(a2, FCSR); \
__ sw(a2, MemOperand(a0, offsetof(T, x##_err3_out))); \
\
__ ldc1(f0, MemOperand(a0, offsetof(T, err4_in))); \
__ ctc1(zero_reg, FCSR); \
__ x##_w_d(f0, f0); \
__ cfc1(a2, FCSR); \
__ sw(a2, MemOperand(a0, offsetof(T, x##_err4_out))); \
__ swc1(f0, MemOperand(a0, offsetof(T, x##_invalid_result)));
RUN_ROUND_TEST(round)
RUN_ROUND_TEST(floor)
RUN_ROUND_TEST(ceil)
RUN_ROUND_TEST(trunc)
RUN_ROUND_TEST(cvt)
// Restore FCSR.
__ ctc1(a1, FCSR);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
t.round_up_in = 123.51;
t.round_down_in = 123.49;
t.neg_round_up_in = -123.5;
t.neg_round_down_in = -123.49;
t.err1_in = 123.51;
t.err2_in = 1;
t.err3_in = static_cast<double>(1) + 0xFFFFFFFF;
t.err4_in = NAN;
Object* dummy = CALL_GENERATED_CODE(isolate, f, &t, 0, 0, 0, 0);
USE(dummy);
#define GET_FPU_ERR(x) (static_cast<int>(x & kFCSRFlagMask))
#define CHECK_NAN2008(x) (x & kFCSRNaN2008FlagMask)
#define CHECK_ROUND_RESULT(type) \
CHECK(GET_FPU_ERR(t.type##_err1_out) & kFCSRInexactFlagMask); \
CHECK_EQ(0, GET_FPU_ERR(t.type##_err2_out)); \
CHECK(GET_FPU_ERR(t.type##_err3_out) & kFCSRInvalidOpFlagMask); \
CHECK(GET_FPU_ERR(t.type##_err4_out) & kFCSRInvalidOpFlagMask); \
if (CHECK_NAN2008(t.type##_isNaN2008) && kArchVariant == kMips64r6) { \
CHECK_EQ(static_cast<int32_t>(0), t.type##_invalid_result);\
} else { \
CHECK_EQ(static_cast<int32_t>(kFPUInvalidResult), t.type##_invalid_result);\
}
CHECK_ROUND_RESULT(round);
CHECK_ROUND_RESULT(floor);
CHECK_ROUND_RESULT(ceil);
CHECK_ROUND_RESULT(cvt);
}
TEST(MIPS15) {
// Test chaining of label usages within instructions (issue 1644).
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
Assembler assm(isolate, NULL, 0);
Label target;
__ beq(v0, v1, &target);
__ nop();
__ bne(v0, v1, &target);
__ nop();
__ bind(&target);
__ nop();
}
// ----- mips64 tests -----------------------------------------------
TEST(MIPS16) {
// Test 64-bit memory loads and stores.
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
struct T {
int64_t r1;
int64_t r2;
int64_t r3;
int64_t r4;
int64_t r5;
int64_t r6;
int64_t r7;
int64_t r8;
int64_t r9;
int64_t r10;
int64_t r11;
int64_t r12;
uint32_t ui;
int32_t si;
};
T t;
Assembler assm(isolate, NULL, 0);
Label L, C;
// Basic 32-bit word load/store, with un-signed data.
__ lw(a4, MemOperand(a0, offsetof(T, ui)));
__ sw(a4, MemOperand(a0, offsetof(T, r1)));
// Check that the data got zero-extended into 64-bit a4.
__ sd(a4, MemOperand(a0, offsetof(T, r2)));
// Basic 32-bit word load/store, with SIGNED data.
__ lw(a5, MemOperand(a0, offsetof(T, si)));
__ sw(a5, MemOperand(a0, offsetof(T, r3)));
// Check that the data got sign-extended into 64-bit a4.
__ sd(a5, MemOperand(a0, offsetof(T, r4)));
// 32-bit UNSIGNED word load/store, with SIGNED data.
__ lwu(a6, MemOperand(a0, offsetof(T, si)));
__ sw(a6, MemOperand(a0, offsetof(T, r5)));
// Check that the data got zero-extended into 64-bit a4.
__ sd(a6, MemOperand(a0, offsetof(T, r6)));
// lh with positive data.
__ lh(a5, MemOperand(a0, offsetof(T, ui)));
__ sw(a5, MemOperand(a0, offsetof(T, r7)));
// lh with negative data.
__ lh(a6, MemOperand(a0, offsetof(T, si)));
__ sw(a6, MemOperand(a0, offsetof(T, r8)));
// lhu with negative data.
__ lhu(a7, MemOperand(a0, offsetof(T, si)));
__ sw(a7, MemOperand(a0, offsetof(T, r9)));
// lb with negative data.
__ lb(t0, MemOperand(a0, offsetof(T, si)));
__ sw(t0, MemOperand(a0, offsetof(T, r10)));
// sh writes only 1/2 of word.
__ lw(a4, MemOperand(a0, offsetof(T, ui)));
__ sh(a4, MemOperand(a0, offsetof(T, r11)));
__ lw(a4, MemOperand(a0, offsetof(T, si)));
__ sh(a4, MemOperand(a0, offsetof(T, r12)));
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
t.ui = 0x44332211;
t.si = 0x99aabbcc;
t.r1 = 0x5555555555555555;
t.r2 = 0x5555555555555555;
t.r3 = 0x5555555555555555;
t.r4 = 0x5555555555555555;
t.r5 = 0x5555555555555555;
t.r6 = 0x5555555555555555;
t.r7 = 0x5555555555555555;
t.r8 = 0x5555555555555555;
t.r9 = 0x5555555555555555;
t.r10 = 0x5555555555555555;
t.r11 = 0x5555555555555555;
t.r12 = 0x5555555555555555;
Object* dummy = CALL_GENERATED_CODE(isolate, f, &t, 0, 0, 0, 0);
USE(dummy);
if (kArchEndian == kLittle) {
// Unsigned data, 32 & 64
CHECK_EQ(static_cast<int64_t>(0x5555555544332211L), t.r1); // lw, sw.
CHECK_EQ(static_cast<int64_t>(0x0000000044332211L), t.r2); // sd.
// Signed data, 32 & 64.
CHECK_EQ(static_cast<int64_t>(0x5555555599aabbccL), t.r3); // lw, sw.
CHECK_EQ(static_cast<int64_t>(0xffffffff99aabbccL), t.r4); // sd.
// Signed data, 32 & 64.
CHECK_EQ(static_cast<int64_t>(0x5555555599aabbccL), t.r5); // lwu, sw.
CHECK_EQ(static_cast<int64_t>(0x0000000099aabbccL), t.r6); // sd.
// lh with unsigned and signed data.
CHECK_EQ(static_cast<int64_t>(0x5555555500002211L), t.r7); // lh, sw.
CHECK_EQ(static_cast<int64_t>(0x55555555ffffbbccL), t.r8); // lh, sw.
// lhu with signed data.
CHECK_EQ(static_cast<int64_t>(0x555555550000bbccL), t.r9); // lhu, sw.
// lb with signed data.
CHECK_EQ(static_cast<int64_t>(0x55555555ffffffccL), t.r10); // lb, sw.
// sh with unsigned and signed data.
CHECK_EQ(static_cast<int64_t>(0x5555555555552211L), t.r11); // lw, sh.
CHECK_EQ(static_cast<int64_t>(0x555555555555bbccL), t.r12); // lw, sh.
} else {
// Unsigned data, 32 & 64
CHECK_EQ(static_cast<int64_t>(0x4433221155555555L), t.r1); // lw, sw.
CHECK_EQ(static_cast<int64_t>(0x0000000044332211L), t.r2); // sd.
// Signed data, 32 & 64.
CHECK_EQ(static_cast<int64_t>(0x99aabbcc55555555L), t.r3); // lw, sw.
CHECK_EQ(static_cast<int64_t>(0xffffffff99aabbccL), t.r4); // sd.
// Signed data, 32 & 64.
CHECK_EQ(static_cast<int64_t>(0x99aabbcc55555555L), t.r5); // lwu, sw.
CHECK_EQ(static_cast<int64_t>(0x0000000099aabbccL), t.r6); // sd.
// lh with unsigned and signed data.
CHECK_EQ(static_cast<int64_t>(0x0000443355555555L), t.r7); // lh, sw.
CHECK_EQ(static_cast<int64_t>(0xffff99aa55555555L), t.r8); // lh, sw.
// lhu with signed data.
CHECK_EQ(static_cast<int64_t>(0x000099aa55555555L), t.r9); // lhu, sw.
// lb with signed data.
CHECK_EQ(static_cast<int64_t>(0xffffff9955555555L), t.r10); // lb, sw.
// sh with unsigned and signed data.
CHECK_EQ(static_cast<int64_t>(0x2211555555555555L), t.r11); // lw, sh.
CHECK_EQ(static_cast<int64_t>(0xbbcc555555555555L), t.r12); // lw, sh.
}
}
// ----------------------mips64r6 specific tests----------------------
TEST(seleqz_selnez) {
if (kArchVariant == kMips64r6) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0,
v8::internal::CodeObjectRequired::kYes);
typedef struct test {
int a;
int b;
int c;
int d;
double e;
double f;
double g;
double h;
float i;
float j;
float k;
float l;
} Test;
Test test;
// Integer part of test.
__ addiu(t1, zero_reg, 1); // t1 = 1
__ seleqz(t3, t1, zero_reg); // t3 = 1
__ sw(t3, MemOperand(a0, offsetof(Test, a))); // a = 1
__ seleqz(t2, t1, t1); // t2 = 0
__ sw(t2, MemOperand(a0, offsetof(Test, b))); // b = 0
__ selnez(t3, t1, zero_reg); // t3 = 1;
__ sw(t3, MemOperand(a0, offsetof(Test, c))); // c = 0
__ selnez(t3, t1, t1); // t3 = 1
__ sw(t3, MemOperand(a0, offsetof(Test, d))); // d = 1
// Floating point part of test.
__ ldc1(f0, MemOperand(a0, offsetof(Test, e)) ); // src
__ ldc1(f2, MemOperand(a0, offsetof(Test, f)) ); // test
__ lwc1(f8, MemOperand(a0, offsetof(Test, i)) ); // src
__ lwc1(f10, MemOperand(a0, offsetof(Test, j)) ); // test
__ seleqz_d(f4, f0, f2);
__ selnez_d(f6, f0, f2);
__ seleqz_s(f12, f8, f10);
__ selnez_s(f14, f8, f10);
__ sdc1(f4, MemOperand(a0, offsetof(Test, g)) ); // src
__ sdc1(f6, MemOperand(a0, offsetof(Test, h)) ); // src
__ swc1(f12, MemOperand(a0, offsetof(Test, k)) ); // src
__ swc1(f14, MemOperand(a0, offsetof(Test, l)) ); // src
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.a, 1);
CHECK_EQ(test.b, 0);
CHECK_EQ(test.c, 0);
CHECK_EQ(test.d, 1);
const int test_size = 3;
const int input_size = 5;
double inputs_D[input_size] = {0.0, 65.2, -70.32,
18446744073709551621.0, -18446744073709551621.0};
double outputs_D[input_size] = {0.0, 65.2, -70.32,
18446744073709551621.0, -18446744073709551621.0};
double tests_D[test_size*2] = {2.8, 2.9, -2.8, -2.9,
18446744073709551616.0, 18446744073709555712.0};
float inputs_S[input_size] = {0.0, 65.2, -70.32,
18446744073709551621.0, -18446744073709551621.0};
float outputs_S[input_size] = {0.0, 65.2, -70.32,
18446744073709551621.0, -18446744073709551621.0};
float tests_S[test_size*2] = {2.9, 2.8, -2.9, -2.8,
18446744073709551616.0, 18446746272732807168.0};
for (int j=0; j < test_size; j+=2) {
for (int i=0; i < input_size; i++) {
test.e = inputs_D[i];
test.f = tests_D[j];
test.i = inputs_S[i];
test.j = tests_S[j];
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.g, outputs_D[i]);
CHECK_EQ(test.h, 0);
CHECK_EQ(test.k, outputs_S[i]);
CHECK_EQ(test.l, 0);
test.f = tests_D[j+1];
test.j = tests_S[j+1];
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.g, 0);
CHECK_EQ(test.h, outputs_D[i]);
CHECK_EQ(test.k, 0);
CHECK_EQ(test.l, outputs_S[i]);
}
}
}
}
TEST(min_max) {
if (kArchVariant == kMips64r6) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, nullptr, 0,
v8::internal::CodeObjectRequired::kYes);
struct TestFloat {
double a;
double b;
double c;
double d;
float e;
float f;
float g;
float h;
};
TestFloat test;
const double dnan = std::numeric_limits<double>::quiet_NaN();
const double dinf = std::numeric_limits<double>::infinity();
const double dminf = -std::numeric_limits<double>::infinity();
const float fnan = std::numeric_limits<float>::quiet_NaN();
const float finf = std::numeric_limits<float>::infinity();
const float fminf = std::numeric_limits<float>::infinity();
const int kTableLength = 13;
double inputsa[kTableLength] = {2.0, 3.0, dnan, 3.0, -0.0, 0.0, dinf,
dnan, 42.0, dinf, dminf, dinf, dnan};
double inputsb[kTableLength] = {3.0, 2.0, 3.0, dnan, 0.0, -0.0, dnan,
dinf, dinf, 42.0, dinf, dminf, dnan};
double outputsdmin[kTableLength] = {2.0, 2.0, 3.0, 3.0, -0.0,
-0.0, dinf, dinf, 42.0, 42.0,
dminf, dminf, dnan};
double outputsdmax[kTableLength] = {3.0, 3.0, 3.0, 3.0, 0.0, 0.0, dinf,
dinf, dinf, dinf, dinf, dinf, dnan};
float inputse[kTableLength] = {2.0, 3.0, fnan, 3.0, -0.0, 0.0, finf,
fnan, 42.0, finf, fminf, finf, fnan};
float inputsf[kTableLength] = {3.0, 2.0, 3.0, fnan, 0.0, -0.0, fnan,
finf, finf, 42.0, finf, fminf, fnan};
float outputsfmin[kTableLength] = {2.0, 2.0, 3.0, 3.0, -0.0,
-0.0, finf, finf, 42.0, 42.0,
fminf, fminf, fnan};
float outputsfmax[kTableLength] = {3.0, 3.0, 3.0, 3.0, 0.0, 0.0, finf,
finf, finf, finf, finf, finf, fnan};
__ ldc1(f4, MemOperand(a0, offsetof(TestFloat, a)));
__ ldc1(f8, MemOperand(a0, offsetof(TestFloat, b)));
__ lwc1(f2, MemOperand(a0, offsetof(TestFloat, e)));
__ lwc1(f6, MemOperand(a0, offsetof(TestFloat, f)));
__ min_d(f10, f4, f8);
__ max_d(f12, f4, f8);
__ min_s(f14, f2, f6);
__ max_s(f16, f2, f6);
__ sdc1(f10, MemOperand(a0, offsetof(TestFloat, c)));
__ sdc1(f12, MemOperand(a0, offsetof(TestFloat, d)));
__ swc1(f14, MemOperand(a0, offsetof(TestFloat, g)));
__ swc1(f16, MemOperand(a0, offsetof(TestFloat, h)));
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
for (int i = 4; i < kTableLength; i++) {
test.a = inputsa[i];
test.b = inputsb[i];
test.e = inputse[i];
test.f = inputsf[i];
CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0);
CHECK_EQ(0, memcmp(&test.c, &outputsdmin[i], sizeof(test.c)));
CHECK_EQ(0, memcmp(&test.d, &outputsdmax[i], sizeof(test.d)));
CHECK_EQ(0, memcmp(&test.g, &outputsfmin[i], sizeof(test.g)));
CHECK_EQ(0, memcmp(&test.h, &outputsfmax[i], sizeof(test.h)));
}
}
}
TEST(rint_d) {
if (kArchVariant == kMips64r6) {
const int kTableLength = 30;
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0,
v8::internal::CodeObjectRequired::kYes);
typedef struct test_float {
double a;
double b;
int fcsr;
}TestFloat;
TestFloat test;
double inputs[kTableLength] = {18446744073709551617.0,
4503599627370496.0, -4503599627370496.0,
1.26782468584154733584017312973E30, 1.44860108245951772690707170478E147,
1.7976931348623157E+308, 6.27463370218383111104242366943E-307,
309485009821345068724781056.89,
2.1, 2.6, 2.5, 3.1, 3.6, 3.5,
-2.1, -2.6, -2.5, -3.1, -3.6, -3.5,
37778931862957161709568.0, 37778931862957161709569.0,
37778931862957161709580.0, 37778931862957161709581.0,
37778931862957161709582.0, 37778931862957161709583.0,
37778931862957161709584.0, 37778931862957161709585.0,
37778931862957161709586.0, 37778931862957161709587.0};
double outputs_RN[kTableLength] = {18446744073709551617.0,
4503599627370496.0, -4503599627370496.0,
1.26782468584154733584017312973E30, 1.44860108245951772690707170478E147,
1.7976931348623157E308, 0,
309485009821345068724781057.0,
2.0, 3.0, 2.0, 3.0, 4.0, 4.0,
-2.0, -3.0, -2.0, -3.0, -4.0, -4.0,
37778931862957161709568.0, 37778931862957161709569.0,
37778931862957161709580.0, 37778931862957161709581.0,
37778931862957161709582.0, 37778931862957161709583.0,
37778931862957161709584.0, 37778931862957161709585.0,
37778931862957161709586.0, 37778931862957161709587.0};
double outputs_RZ[kTableLength] = {18446744073709551617.0,
4503599627370496.0, -4503599627370496.0,
1.26782468584154733584017312973E30, 1.44860108245951772690707170478E147,
1.7976931348623157E308, 0,
309485009821345068724781057.0,
2.0, 2.0, 2.0, 3.0, 3.0, 3.0,
-2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
37778931862957161709568.0, 37778931862957161709569.0,
37778931862957161709580.0, 37778931862957161709581.0,
37778931862957161709582.0, 37778931862957161709583.0,
37778931862957161709584.0, 37778931862957161709585.0,
37778931862957161709586.0, 37778931862957161709587.0};
double outputs_RP[kTableLength] = {18446744073709551617.0,
4503599627370496.0, -4503599627370496.0,
1.26782468584154733584017312973E30, 1.44860108245951772690707170478E147,
1.7976931348623157E308, 1,
309485009821345068724781057.0,
3.0, 3.0, 3.0, 4.0, 4.0, 4.0,
-2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
37778931862957161709568.0, 37778931862957161709569.0,
37778931862957161709580.0, 37778931862957161709581.0,
37778931862957161709582.0, 37778931862957161709583.0,
37778931862957161709584.0, 37778931862957161709585.0,
37778931862957161709586.0, 37778931862957161709587.0};
double outputs_RM[kTableLength] = {18446744073709551617.0,
4503599627370496.0, -4503599627370496.0,
1.26782468584154733584017312973E30, 1.44860108245951772690707170478E147,
1.7976931348623157E308, 0,
309485009821345068724781057.0,
2.0, 2.0, 2.0, 3.0, 3.0, 3.0,
-3.0, -3.0, -3.0, -4.0, -4.0, -4.0,
37778931862957161709568.0, 37778931862957161709569.0,
37778931862957161709580.0, 37778931862957161709581.0,
37778931862957161709582.0, 37778931862957161709583.0,
37778931862957161709584.0, 37778931862957161709585.0,
37778931862957161709586.0, 37778931862957161709587.0};
int fcsr_inputs[4] =
{kRoundToNearest, kRoundToZero, kRoundToPlusInf, kRoundToMinusInf};
double* outputs[4] = {outputs_RN, outputs_RZ, outputs_RP, outputs_RM};
__ ldc1(f4, MemOperand(a0, offsetof(TestFloat, a)) );
__ lw(t0, MemOperand(a0, offsetof(TestFloat, fcsr)) );
__ ctc1(t0, FCSR);
__ rint_d(f8, f4);
__ sdc1(f8, MemOperand(a0, offsetof(TestFloat, b)) );
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
for (int j = 0; j < 4; j++) {
test.fcsr = fcsr_inputs[j];
for (int i = 0; i < kTableLength; i++) {
test.a = inputs[i];
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.b, outputs[j][i]);
}
}
}
}
TEST(sel) {
if (kArchVariant == kMips64r6) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0,
v8::internal::CodeObjectRequired::kYes);
typedef struct test {
double dd;
double ds;
double dt;
float fd;
float fs;
float ft;
} Test;
Test test;
__ ldc1(f0, MemOperand(a0, offsetof(Test, dd)) ); // test
__ ldc1(f2, MemOperand(a0, offsetof(Test, ds)) ); // src1
__ ldc1(f4, MemOperand(a0, offsetof(Test, dt)) ); // src2
__ lwc1(f6, MemOperand(a0, offsetof(Test, fd)) ); // test
__ lwc1(f8, MemOperand(a0, offsetof(Test, fs)) ); // src1
__ lwc1(f10, MemOperand(a0, offsetof(Test, ft)) ); // src2
__ sel_d(f0, f2, f4);
__ sel_s(f6, f8, f10);
__ sdc1(f0, MemOperand(a0, offsetof(Test, dd)) );
__ swc1(f6, MemOperand(a0, offsetof(Test, fd)) );
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
const int test_size = 3;
const int input_size = 5;
double inputs_dt[input_size] = {0.0, 65.2, -70.32,
18446744073709551621.0, -18446744073709551621.0};
double inputs_ds[input_size] = {0.1, 69.88, -91.325,
18446744073709551625.0, -18446744073709551625.0};
float inputs_ft[input_size] = {0.0, 65.2, -70.32,
18446744073709551621.0, -18446744073709551621.0};
float inputs_fs[input_size] = {0.1, 69.88, -91.325,
18446744073709551625.0, -18446744073709551625.0};
double tests_D[test_size*2] = {2.8, 2.9, -2.8, -2.9,
18446744073709551616.0, 18446744073709555712.0};
float tests_S[test_size*2] = {2.9, 2.8, -2.9, -2.8,
18446744073709551616.0, 18446746272732807168.0};
for (int j=0; j < test_size; j+=2) {
for (int i=0; i < input_size; i++) {
test.dt = inputs_dt[i];
test.dd = tests_D[j];
test.ds = inputs_ds[i];
test.ft = inputs_ft[i];
test.fd = tests_S[j];
test.fs = inputs_fs[i];
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.dd, inputs_ds[i]);
CHECK_EQ(test.fd, inputs_fs[i]);
test.dd = tests_D[j+1];
test.fd = tests_S[j+1];
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.dd, inputs_dt[i]);
CHECK_EQ(test.fd, inputs_ft[i]);
}
}
}
}
TEST(rint_s) {
if (kArchVariant == kMips64r6) {
const int kTableLength = 30;
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0,
v8::internal::CodeObjectRequired::kYes);
typedef struct test_float {
float a;
float b;
int fcsr;
}TestFloat;
TestFloat test;
float inputs[kTableLength] = {18446744073709551617.0,
4503599627370496.0, -4503599627370496.0,
1.26782468584154733584017312973E30, 1.44860108245951772690707170478E37,
1.7976931348623157E+38, 6.27463370218383111104242366943E-37,
309485009821345068724781056.89,
2.1, 2.6, 2.5, 3.1, 3.6, 3.5,
-2.1, -2.6, -2.5, -3.1, -3.6, -3.5,
37778931862957161709568.0, 37778931862957161709569.0,
37778931862957161709580.0, 37778931862957161709581.0,
37778931862957161709582.0, 37778931862957161709583.0,
37778931862957161709584.0, 37778931862957161709585.0,
37778931862957161709586.0, 37778931862957161709587.0};
float outputs_RN[kTableLength] = {18446744073709551617.0,
4503599627370496.0, -4503599627370496.0,
1.26782468584154733584017312973E30, 1.44860108245951772690707170478E37,
1.7976931348623157E38, 0,
309485009821345068724781057.0,
2.0, 3.0, 2.0, 3.0, 4.0, 4.0,
-2.0, -3.0, -2.0, -3.0, -4.0, -4.0,
37778931862957161709568.0, 37778931862957161709569.0,
37778931862957161709580.0, 37778931862957161709581.0,
37778931862957161709582.0, 37778931862957161709583.0,
37778931862957161709584.0, 37778931862957161709585.0,
37778931862957161709586.0, 37778931862957161709587.0};
float outputs_RZ[kTableLength] = {18446744073709551617.0,
4503599627370496.0, -4503599627370496.0,
1.26782468584154733584017312973E30, 1.44860108245951772690707170478E37,
1.7976931348623157E38, 0,
309485009821345068724781057.0,
2.0, 2.0, 2.0, 3.0, 3.0, 3.0,
-2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
37778931862957161709568.0, 37778931862957161709569.0,
37778931862957161709580.0, 37778931862957161709581.0,
37778931862957161709582.0, 37778931862957161709583.0,
37778931862957161709584.0, 37778931862957161709585.0,
37778931862957161709586.0, 37778931862957161709587.0};
float outputs_RP[kTableLength] = {18446744073709551617.0,
4503599627370496.0, -4503599627370496.0,
1.26782468584154733584017312973E30, 1.44860108245951772690707170478E37,
1.7976931348623157E38, 1,
309485009821345068724781057.0,
3.0, 3.0, 3.0, 4.0, 4.0, 4.0,
-2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
37778931862957161709568.0, 37778931862957161709569.0,
37778931862957161709580.0, 37778931862957161709581.0,
37778931862957161709582.0, 37778931862957161709583.0,
37778931862957161709584.0, 37778931862957161709585.0,
37778931862957161709586.0, 37778931862957161709587.0};
float outputs_RM[kTableLength] = {18446744073709551617.0,
4503599627370496.0, -4503599627370496.0,
1.26782468584154733584017312973E30, 1.44860108245951772690707170478E37,
1.7976931348623157E38, 0,
309485009821345068724781057.0,
2.0, 2.0, 2.0, 3.0, 3.0, 3.0,
-3.0, -3.0, -3.0, -4.0, -4.0, -4.0,
37778931862957161709568.0, 37778931862957161709569.0,
37778931862957161709580.0, 37778931862957161709581.0,
37778931862957161709582.0, 37778931862957161709583.0,
37778931862957161709584.0, 37778931862957161709585.0,
37778931862957161709586.0, 37778931862957161709587.0};
int fcsr_inputs[4] =
{kRoundToNearest, kRoundToZero, kRoundToPlusInf, kRoundToMinusInf};
float* outputs[4] = {outputs_RN, outputs_RZ, outputs_RP, outputs_RM};
__ lwc1(f4, MemOperand(a0, offsetof(TestFloat, a)) );
__ lw(t0, MemOperand(a0, offsetof(TestFloat, fcsr)) );
__ cfc1(t1, FCSR);
__ ctc1(t0, FCSR);
__ rint_s(f8, f4);
__ swc1(f8, MemOperand(a0, offsetof(TestFloat, b)) );
__ ctc1(t1, FCSR);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
for (int j = 0; j < 4; j++) {
test.fcsr = fcsr_inputs[j];
for (int i = 0; i < kTableLength; i++) {
test.a = inputs[i];
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.b, outputs[j][i]);
}
}
}
}
TEST(mina_maxa) {
if (kArchVariant == kMips64r6) {
const int kTableLength = 23;
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, nullptr, 0,
v8::internal::CodeObjectRequired::kYes);
const double dnan = std::numeric_limits<double>::quiet_NaN();
const double dinf = std::numeric_limits<double>::infinity();
const double dminf = -std::numeric_limits<double>::infinity();
const float fnan = std::numeric_limits<float>::quiet_NaN();
const float finf = std::numeric_limits<float>::infinity();
const float fminf = std::numeric_limits<float>::infinity();
struct TestFloat {
double a;
double b;
double resd;
double resd1;
float c;
float d;
float resf;
float resf1;
};
TestFloat test;
double inputsa[kTableLength] = {
5.3, 4.8, 6.1, 9.8, 9.8, 9.8, -10.0, -8.9, -9.8, -10.0, -8.9, -9.8,
dnan, 3.0, -0.0, 0.0, dinf, dnan, 42.0, dinf, dminf, dinf, dnan};
double inputsb[kTableLength] = {
4.8, 5.3, 6.1, -10.0, -8.9, -9.8, 9.8, 9.8, 9.8, -9.8, -11.2, -9.8,
3.0, dnan, 0.0, -0.0, dnan, dinf, dinf, 42.0, dinf, dminf, dnan};
double resd[kTableLength] = {
4.8, 4.8, 6.1, 9.8, -8.9, -9.8, 9.8, -8.9, -9.8, -9.8, -8.9, -9.8,
3.0, 3.0, -0.0, -0.0, dinf, dinf, 42.0, 42.0, dminf, dminf, dnan};
double resd1[kTableLength] = {
5.3, 5.3, 6.1, -10.0, 9.8, 9.8, -10.0, 9.8, 9.8, -10.0, -11.2, -9.8,
3.0, 3.0, 0.0, 0.0, dinf, dinf, dinf, dinf, dinf, dinf, dnan};
float inputsc[kTableLength] = {
5.3, 4.8, 6.1, 9.8, 9.8, 9.8, -10.0, -8.9, -9.8, -10.0, -8.9, -9.8,
fnan, 3.0, -0.0, 0.0, finf, fnan, 42.0, finf, fminf, finf, fnan};
float inputsd[kTableLength] = {4.8, 5.3, 6.1, -10.0, -8.9, -9.8,
9.8, 9.8, 9.8, -9.8, -11.2, -9.8,
3.0, fnan, -0.0, 0.0, fnan, finf,
finf, 42.0, finf, fminf, fnan};
float resf[kTableLength] = {
4.8, 4.8, 6.1, 9.8, -8.9, -9.8, 9.8, -8.9, -9.8, -9.8, -8.9, -9.8,
3.0, 3.0, -0.0, -0.0, finf, finf, 42.0, 42.0, fminf, fminf, fnan};
float resf1[kTableLength] = {
5.3, 5.3, 6.1, -10.0, 9.8, 9.8, -10.0, 9.8, 9.8, -10.0, -11.2, -9.8,
3.0, 3.0, 0.0, 0.0, finf, finf, finf, finf, finf, finf, fnan};
__ ldc1(f2, MemOperand(a0, offsetof(TestFloat, a)) );
__ ldc1(f4, MemOperand(a0, offsetof(TestFloat, b)) );
__ lwc1(f8, MemOperand(a0, offsetof(TestFloat, c)) );
__ lwc1(f10, MemOperand(a0, offsetof(TestFloat, d)) );
__ mina_d(f6, f2, f4);
__ mina_s(f12, f8, f10);
__ maxa_d(f14, f2, f4);
__ maxa_s(f16, f8, f10);
__ swc1(f12, MemOperand(a0, offsetof(TestFloat, resf)) );
__ sdc1(f6, MemOperand(a0, offsetof(TestFloat, resd)) );
__ swc1(f16, MemOperand(a0, offsetof(TestFloat, resf1)) );
__ sdc1(f14, MemOperand(a0, offsetof(TestFloat, resd1)) );
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
for (int i = 0; i < kTableLength; i++) {
test.a = inputsa[i];
test.b = inputsb[i];
test.c = inputsc[i];
test.d = inputsd[i];
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
if (i < kTableLength - 1) {
CHECK_EQ(test.resd, resd[i]);
CHECK_EQ(test.resf, resf[i]);
CHECK_EQ(test.resd1, resd1[i]);
CHECK_EQ(test.resf1, resf1[i]);
} else {
CHECK(std::isnan(test.resd));
CHECK(std::isnan(test.resf));
CHECK(std::isnan(test.resd1));
CHECK(std::isnan(test.resf1));
}
}
}
}
// ----------------------mips64r2 specific tests----------------------
TEST(trunc_l) {
if (kArchVariant == kMips64r2) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0,
v8::internal::CodeObjectRequired::kYes);
const double dFPU64InvalidResult = static_cast<double>(kFPU64InvalidResult);
typedef struct test_float {
uint32_t isNaN2008;
double a;
float b;
int64_t c; // a trunc result
int64_t d; // b trunc result
}Test;
const int kTableLength = 15;
double inputs_D[kTableLength] = {
2.1, 2.6, 2.5, 3.1, 3.6, 3.5,
-2.1, -2.6, -2.5, -3.1, -3.6, -3.5,
2147483648.0,
std::numeric_limits<double>::quiet_NaN(),
std::numeric_limits<double>::infinity()
};
float inputs_S[kTableLength] = {
2.1, 2.6, 2.5, 3.1, 3.6, 3.5,
-2.1, -2.6, -2.5, -3.1, -3.6, -3.5,
2147483648.0,
std::numeric_limits<float>::quiet_NaN(),
std::numeric_limits<float>::infinity()
};
double outputs[kTableLength] = {
2.0, 2.0, 2.0, 3.0, 3.0, 3.0,
-2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
2147483648.0, dFPU64InvalidResult,
dFPU64InvalidResult};
double outputsNaN2008[kTableLength] = {
2.0, 2.0, 2.0, 3.0, 3.0, 3.0,
-2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
2147483648.0, dFPU64InvalidResult,
dFPU64InvalidResult};
__ cfc1(t1, FCSR);
__ sw(t1, MemOperand(a0, offsetof(Test, isNaN2008)));
__ ldc1(f4, MemOperand(a0, offsetof(Test, a)) );
__ lwc1(f6, MemOperand(a0, offsetof(Test, b)) );
__ trunc_l_d(f8, f4);
__ trunc_l_s(f10, f6);
__ sdc1(f8, MemOperand(a0, offsetof(Test, c)) );
__ sdc1(f10, MemOperand(a0, offsetof(Test, d)) );
__ jr(ra);
__ nop();
Test test;
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
for (int i = 0; i < kTableLength; i++) {
test.a = inputs_D[i];
test.b = inputs_S[i];
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
if ((test.isNaN2008 & kFCSRNaN2008FlagMask) &&
kArchVariant == kMips64r6) {
CHECK_EQ(test.c, outputsNaN2008[i]);
} else {
CHECK_EQ(test.c, outputs[i]);
}
CHECK_EQ(test.d, test.c);
}
}
}
TEST(movz_movn) {
if (kArchVariant == kMips64r2) {
const int kTableLength = 4;
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0,
v8::internal::CodeObjectRequired::kYes);
typedef struct test_float {
int64_t rt;
double a;
double b;
double bold;
double b1;
double bold1;
float c;
float d;
float dold;
float d1;
float dold1;
}TestFloat;
TestFloat test;
double inputs_D[kTableLength] = {
5.3, -5.3, 5.3, -2.9
};
double inputs_S[kTableLength] = {
4.8, 4.8, -4.8, -0.29
};
float outputs_S[kTableLength] = {
4.8, 4.8, -4.8, -0.29
};
double outputs_D[kTableLength] = {
5.3, -5.3, 5.3, -2.9
};
__ ldc1(f2, MemOperand(a0, offsetof(TestFloat, a)) );
__ lwc1(f6, MemOperand(a0, offsetof(TestFloat, c)) );
__ ld(t0, MemOperand(a0, offsetof(TestFloat, rt)));
__ Move(f12, 0.0);
__ Move(f10, 0.0);
__ Move(f16, 0.0);
__ Move(f14, 0.0);
__ sdc1(f12, MemOperand(a0, offsetof(TestFloat, bold)) );
__ swc1(f10, MemOperand(a0, offsetof(TestFloat, dold)) );
__ sdc1(f16, MemOperand(a0, offsetof(TestFloat, bold1)) );
__ swc1(f14, MemOperand(a0, offsetof(TestFloat, dold1)) );
__ movz_s(f10, f6, t0);
__ movz_d(f12, f2, t0);
__ movn_s(f14, f6, t0);
__ movn_d(f16, f2, t0);
__ swc1(f10, MemOperand(a0, offsetof(TestFloat, d)) );
__ sdc1(f12, MemOperand(a0, offsetof(TestFloat, b)) );
__ swc1(f14, MemOperand(a0, offsetof(TestFloat, d1)) );
__ sdc1(f16, MemOperand(a0, offsetof(TestFloat, b1)) );
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
for (int i = 0; i < kTableLength; i++) {
test.a = inputs_D[i];
test.c = inputs_S[i];
test.rt = 1;
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.b, test.bold);
CHECK_EQ(test.d, test.dold);
CHECK_EQ(test.b1, outputs_D[i]);
CHECK_EQ(test.d1, outputs_S[i]);
test.rt = 0;
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.b, outputs_D[i]);
CHECK_EQ(test.d, outputs_S[i]);
CHECK_EQ(test.b1, test.bold1);
CHECK_EQ(test.d1, test.dold1);
}
}
}
TEST(movt_movd) {
if (kArchVariant == kMips64r2) {
const int kTableLength = 4;
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
typedef struct test_float {
double srcd;
double dstd;
double dstdold;
double dstd1;
double dstdold1;
float srcf;
float dstf;
float dstfold;
float dstf1;
float dstfold1;
int32_t cc;
int32_t fcsr;
}TestFloat;
TestFloat test;
double inputs_D[kTableLength] = {
5.3, -5.3, 20.8, -2.9
};
double inputs_S[kTableLength] = {
4.88, 4.8, -4.8, -0.29
};
float outputs_S[kTableLength] = {
4.88, 4.8, -4.8, -0.29
};
double outputs_D[kTableLength] = {
5.3, -5.3, 20.8, -2.9
};
int condition_flags[8] = {0, 1, 2, 3, 4, 5, 6, 7};
for (int i = 0; i < kTableLength; i++) {
test.srcd = inputs_D[i];
test.srcf = inputs_S[i];
for (int j = 0; j< 8; j++) {
test.cc = condition_flags[j];
if (test.cc == 0) {
test.fcsr = 1 << 23;
} else {
test.fcsr = 1 << (24+condition_flags[j]);
}
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0,
v8::internal::CodeObjectRequired::kYes);
__ ldc1(f2, MemOperand(a0, offsetof(TestFloat, srcd)) );
__ lwc1(f4, MemOperand(a0, offsetof(TestFloat, srcf)) );
__ lw(t1, MemOperand(a0, offsetof(TestFloat, fcsr)) );
__ cfc1(t0, FCSR);
__ ctc1(t1, FCSR);
__ li(t2, 0x0);
__ mtc1(t2, f12);
__ mtc1(t2, f10);
__ sdc1(f10, MemOperand(a0, offsetof(TestFloat, dstdold)) );
__ swc1(f12, MemOperand(a0, offsetof(TestFloat, dstfold)) );
__ movt_s(f12, f4, test.cc);
__ movt_d(f10, f2, test.cc);
__ swc1(f12, MemOperand(a0, offsetof(TestFloat, dstf)) );
__ sdc1(f10, MemOperand(a0, offsetof(TestFloat, dstd)) );
__ sdc1(f10, MemOperand(a0, offsetof(TestFloat, dstdold1)) );
__ swc1(f12, MemOperand(a0, offsetof(TestFloat, dstfold1)) );
__ movf_s(f12, f4, test.cc);
__ movf_d(f10, f2, test.cc);
__ swc1(f12, MemOperand(a0, offsetof(TestFloat, dstf1)) );
__ sdc1(f10, MemOperand(a0, offsetof(TestFloat, dstd1)) );
__ ctc1(t0, FCSR);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.dstf, outputs_S[i]);
CHECK_EQ(test.dstd, outputs_D[i]);
CHECK_EQ(test.dstf1, test.dstfold1);
CHECK_EQ(test.dstd1, test.dstdold1);
test.fcsr = 0;
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.dstf, test.dstfold);
CHECK_EQ(test.dstd, test.dstdold);
CHECK_EQ(test.dstf1, outputs_S[i]);
CHECK_EQ(test.dstd1, outputs_D[i]);
}
}
}
}
// ----------------------tests for all archs--------------------------
TEST(cvt_w_d) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
typedef struct test_float {
double a;
int32_t b;
int fcsr;
}Test;
const int kTableLength = 24;
double inputs[kTableLength] = {
2.1, 2.6, 2.5, 3.1, 3.6, 3.5,
-2.1, -2.6, -2.5, -3.1, -3.6, -3.5,
2147483637.0, 2147483638.0, 2147483639.0,
2147483640.0, 2147483641.0, 2147483642.0,
2147483643.0, 2147483644.0, 2147483645.0,
2147483646.0, 2147483647.0, 2147483653.0
};
double outputs_RN[kTableLength] = {
2.0, 3.0, 2.0, 3.0, 4.0, 4.0,
-2.0, -3.0, -2.0, -3.0, -4.0, -4.0,
2147483637.0, 2147483638.0, 2147483639.0,
2147483640.0, 2147483641.0, 2147483642.0,
2147483643.0, 2147483644.0, 2147483645.0,
2147483646.0, 2147483647.0, kFPUInvalidResult};
double outputs_RZ[kTableLength] = {
2.0, 2.0, 2.0, 3.0, 3.0, 3.0,
-2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
2147483637.0, 2147483638.0, 2147483639.0,
2147483640.0, 2147483641.0, 2147483642.0,
2147483643.0, 2147483644.0, 2147483645.0,
2147483646.0, 2147483647.0, kFPUInvalidResult};
double outputs_RP[kTableLength] = {
3.0, 3.0, 3.0, 4.0, 4.0, 4.0,
-2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
2147483637.0, 2147483638.0, 2147483639.0,
2147483640.0, 2147483641.0, 2147483642.0,
2147483643.0, 2147483644.0, 2147483645.0,
2147483646.0, 2147483647.0, kFPUInvalidResult};
double outputs_RM[kTableLength] = {
2.0, 2.0, 2.0, 3.0, 3.0, 3.0,
-3.0, -3.0, -3.0, -4.0, -4.0, -4.0,
2147483637.0, 2147483638.0, 2147483639.0,
2147483640.0, 2147483641.0, 2147483642.0,
2147483643.0, 2147483644.0, 2147483645.0,
2147483646.0, 2147483647.0, kFPUInvalidResult};
int fcsr_inputs[4] =
{kRoundToNearest, kRoundToZero, kRoundToPlusInf, kRoundToMinusInf};
double* outputs[4] = {outputs_RN, outputs_RZ, outputs_RP, outputs_RM};
__ ldc1(f4, MemOperand(a0, offsetof(Test, a)) );
__ lw(t0, MemOperand(a0, offsetof(Test, fcsr)) );
__ cfc1(t1, FCSR);
__ ctc1(t0, FCSR);
__ cvt_w_d(f8, f4);
__ swc1(f8, MemOperand(a0, offsetof(Test, b)) );
__ ctc1(t1, FCSR);
__ jr(ra);
__ nop();
Test test;
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
for (int j = 0; j < 4; j++) {
test.fcsr = fcsr_inputs[j];
for (int i = 0; i < kTableLength; i++) {
test.a = inputs[i];
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.b, outputs[j][i]);
}
}
}
TEST(trunc_w) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
typedef struct test_float {
uint32_t isNaN2008;
double a;
float b;
int32_t c; // a trunc result
int32_t d; // b trunc result
}Test;
const int kTableLength = 15;
double inputs_D[kTableLength] = {
2.1, 2.6, 2.5, 3.1, 3.6, 3.5,
-2.1, -2.6, -2.5, -3.1, -3.6, -3.5,
2147483648.0,
std::numeric_limits<double>::quiet_NaN(),
std::numeric_limits<double>::infinity()
};
float inputs_S[kTableLength] = {
2.1, 2.6, 2.5, 3.1, 3.6, 3.5,
-2.1, -2.6, -2.5, -3.1, -3.6, -3.5,
2147483648.0,
std::numeric_limits<float>::quiet_NaN(),
std::numeric_limits<float>::infinity()
};
double outputs[kTableLength] = {
2.0, 2.0, 2.0, 3.0, 3.0, 3.0,
-2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
kFPUInvalidResult, kFPUInvalidResult,
kFPUInvalidResult};
double outputsNaN2008[kTableLength] = {
2.0, 2.0, 2.0, 3.0, 3.0, 3.0,
-2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
kFPUInvalidResult,
0,
kFPUInvalidResult};
__ cfc1(t1, FCSR);
__ sw(t1, MemOperand(a0, offsetof(Test, isNaN2008)));
__ ldc1(f4, MemOperand(a0, offsetof(Test, a)) );
__ lwc1(f6, MemOperand(a0, offsetof(Test, b)) );
__ trunc_w_d(f8, f4);
__ trunc_w_s(f10, f6);
__ swc1(f8, MemOperand(a0, offsetof(Test, c)) );
__ swc1(f10, MemOperand(a0, offsetof(Test, d)) );
__ jr(ra);
__ nop();
Test test;
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
for (int i = 0; i < kTableLength; i++) {
test.a = inputs_D[i];
test.b = inputs_S[i];
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
if ((test.isNaN2008 & kFCSRNaN2008FlagMask) && kArchVariant == kMips64r6) {
CHECK_EQ(test.c, outputsNaN2008[i]);
} else {
CHECK_EQ(test.c, outputs[i]);
}
CHECK_EQ(test.d, test.c);
}
}
TEST(round_w) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
typedef struct test_float {
uint32_t isNaN2008;
double a;
float b;
int32_t c; // a trunc result
int32_t d; // b trunc result
}Test;
const int kTableLength = 15;
double inputs_D[kTableLength] = {
2.1, 2.6, 2.5, 3.1, 3.6, 3.5,
-2.1, -2.6, -2.5, -3.1, -3.6, -3.5,
2147483648.0,
std::numeric_limits<double>::quiet_NaN(),
std::numeric_limits<double>::infinity()
};
float inputs_S[kTableLength] = {
2.1, 2.6, 2.5, 3.1, 3.6, 3.5,
-2.1, -2.6, -2.5, -3.1, -3.6, -3.5,
2147483648.0,
std::numeric_limits<float>::quiet_NaN(),
std::numeric_limits<float>::infinity()
};
double outputs[kTableLength] = {
2.0, 3.0, 2.0, 3.0, 4.0, 4.0,
-2.0, -3.0, -2.0, -3.0, -4.0, -4.0,
kFPUInvalidResult, kFPUInvalidResult,
kFPUInvalidResult};
double outputsNaN2008[kTableLength] = {
2.0, 3.0, 2.0, 3.0, 4.0, 4.0,
-2.0, -3.0, -2.0, -3.0, -4.0, -4.0,
kFPUInvalidResult, 0,
kFPUInvalidResult};
__ cfc1(t1, FCSR);
__ sw(t1, MemOperand(a0, offsetof(Test, isNaN2008)));
__ ldc1(f4, MemOperand(a0, offsetof(Test, a)) );
__ lwc1(f6, MemOperand(a0, offsetof(Test, b)) );
__ round_w_d(f8, f4);
__ round_w_s(f10, f6);
__ swc1(f8, MemOperand(a0, offsetof(Test, c)) );
__ swc1(f10, MemOperand(a0, offsetof(Test, d)) );
__ jr(ra);
__ nop();
Test test;
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
for (int i = 0; i < kTableLength; i++) {
test.a = inputs_D[i];
test.b = inputs_S[i];
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
if ((test.isNaN2008 & kFCSRNaN2008FlagMask) && kArchVariant == kMips64r6) {
CHECK_EQ(test.c, outputsNaN2008[i]);
} else {
CHECK_EQ(test.c, outputs[i]);
}
CHECK_EQ(test.d, test.c);
}
}
TEST(round_l) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0,
v8::internal::CodeObjectRequired::kYes);
const double dFPU64InvalidResult = static_cast<double>(kFPU64InvalidResult);
typedef struct test_float {
uint32_t isNaN2008;
double a;
float b;
int64_t c;
int64_t d;
}Test;
const int kTableLength = 15;
double inputs_D[kTableLength] = {
2.1, 2.6, 2.5, 3.1, 3.6, 3.5,
-2.1, -2.6, -2.5, -3.1, -3.6, -3.5,
2147483648.0,
std::numeric_limits<double>::quiet_NaN(),
std::numeric_limits<double>::infinity()
};
float inputs_S[kTableLength] = {
2.1, 2.6, 2.5, 3.1, 3.6, 3.5,
-2.1, -2.6, -2.5, -3.1, -3.6, -3.5,
2147483648.0,
std::numeric_limits<float>::quiet_NaN(),
std::numeric_limits<float>::infinity()
};
double outputs[kTableLength] = {
2.0, 3.0, 2.0, 3.0, 4.0, 4.0,
-2.0, -3.0, -2.0, -3.0, -4.0, -4.0,
2147483648.0, dFPU64InvalidResult,
dFPU64InvalidResult};
double outputsNaN2008[kTableLength] = {
2.0, 3.0, 2.0, 3.0, 4.0, 4.0,
-2.0, -3.0, -2.0, -3.0, -4.0, -4.0,
2147483648.0,
0,
dFPU64InvalidResult};
__ cfc1(t1, FCSR);
__ sw(t1, MemOperand(a0, offsetof(Test, isNaN2008)));
__ ldc1(f4, MemOperand(a0, offsetof(Test, a)) );
__ lwc1(f6, MemOperand(a0, offsetof(Test, b)) );
__ round_l_d(f8, f4);
__ round_l_s(f10, f6);
__ sdc1(f8, MemOperand(a0, offsetof(Test, c)) );
__ sdc1(f10, MemOperand(a0, offsetof(Test, d)) );
__ jr(ra);
__ nop();
Test test;
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
for (int i = 0; i < kTableLength; i++) {
test.a = inputs_D[i];
test.b = inputs_S[i];
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
if ((test.isNaN2008 & kFCSRNaN2008FlagMask) &&
kArchVariant == kMips64r6) {
CHECK_EQ(test.c, outputsNaN2008[i]);
} else {
CHECK_EQ(test.c, outputs[i]);
}
CHECK_EQ(test.d, test.c);
}
}
TEST(sub) {
const int kTableLength = 12;
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
typedef struct test_float {
float a;
float b;
float resultS;
double c;
double d;
double resultD;
}TestFloat;
TestFloat test;
double inputfs_D[kTableLength] = {
5.3, 4.8, 2.9, -5.3, -4.8, -2.9,
5.3, 4.8, 2.9, -5.3, -4.8, -2.9
};
double inputft_D[kTableLength] = {
4.8, 5.3, 2.9, 4.8, 5.3, 2.9,
-4.8, -5.3, -2.9, -4.8, -5.3, -2.9
};
double outputs_D[kTableLength] = {
0.5, -0.5, 0.0, -10.1, -10.1, -5.8,
10.1, 10.1, 5.8, -0.5, 0.5, 0.0
};
float inputfs_S[kTableLength] = {
5.3, 4.8, 2.9, -5.3, -4.8, -2.9,
5.3, 4.8, 2.9, -5.3, -4.8, -2.9
};
float inputft_S[kTableLength] = {
4.8, 5.3, 2.9, 4.8, 5.3, 2.9,
-4.8, -5.3, -2.9, -4.8, -5.3, -2.9
};
float outputs_S[kTableLength] = {
0.5, -0.5, 0.0, -10.1, -10.1, -5.8,
10.1, 10.1, 5.8, -0.5, 0.5, 0.0
};
__ lwc1(f2, MemOperand(a0, offsetof(TestFloat, a)) );
__ lwc1(f4, MemOperand(a0, offsetof(TestFloat, b)) );
__ ldc1(f8, MemOperand(a0, offsetof(TestFloat, c)) );
__ ldc1(f10, MemOperand(a0, offsetof(TestFloat, d)) );
__ sub_s(f6, f2, f4);
__ sub_d(f12, f8, f10);
__ swc1(f6, MemOperand(a0, offsetof(TestFloat, resultS)) );
__ sdc1(f12, MemOperand(a0, offsetof(TestFloat, resultD)) );
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
for (int i = 0; i < kTableLength; i++) {
test.a = inputfs_S[i];
test.b = inputft_S[i];
test.c = inputfs_D[i];
test.d = inputft_D[i];
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.resultS, outputs_S[i]);
CHECK_EQ(test.resultD, outputs_D[i]);
}
}
TEST(sqrt_rsqrt_recip) {
const int kTableLength = 4;
const double deltaDouble = 2E-15;
const float deltaFloat = 2E-7;
const float sqrt2_s = sqrt(2);
const double sqrt2_d = sqrt(2);
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
typedef struct test_float {
float a;
float resultS;
float resultS1;
float resultS2;
double c;
double resultD;
double resultD1;
double resultD2;
}TestFloat;
TestFloat test;
double inputs_D[kTableLength] = {
0.0L, 4.0L, 2.0L, 4e-28L
};
double outputs_D[kTableLength] = {
0.0L, 2.0L, sqrt2_d, 2e-14L
};
float inputs_S[kTableLength] = {
0.0, 4.0, 2.0, 4e-28
};
float outputs_S[kTableLength] = {
0.0, 2.0, sqrt2_s, 2e-14
};
__ lwc1(f2, MemOperand(a0, offsetof(TestFloat, a)) );
__ ldc1(f8, MemOperand(a0, offsetof(TestFloat, c)) );
__ sqrt_s(f6, f2);
__ sqrt_d(f12, f8);
__ rsqrt_d(f14, f8);
__ rsqrt_s(f16, f2);
__ recip_d(f18, f8);
__ recip_s(f4, f2);
__ swc1(f6, MemOperand(a0, offsetof(TestFloat, resultS)) );
__ sdc1(f12, MemOperand(a0, offsetof(TestFloat, resultD)) );
__ swc1(f16, MemOperand(a0, offsetof(TestFloat, resultS1)) );
__ sdc1(f14, MemOperand(a0, offsetof(TestFloat, resultD1)) );
__ swc1(f4, MemOperand(a0, offsetof(TestFloat, resultS2)) );
__ sdc1(f18, MemOperand(a0, offsetof(TestFloat, resultD2)) );
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
for (int i = 0; i < kTableLength; i++) {
float f1;
double d1;
test.a = inputs_S[i];
test.c = inputs_D[i];
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.resultS, outputs_S[i]);
CHECK_EQ(test.resultD, outputs_D[i]);
if (i != 0) {
f1 = test.resultS1 - 1.0F/outputs_S[i];
f1 = (f1 < 0) ? f1 : -f1;
CHECK(f1 <= deltaFloat);
d1 = test.resultD1 - 1.0L/outputs_D[i];
d1 = (d1 < 0) ? d1 : -d1;
CHECK(d1 <= deltaDouble);
f1 = test.resultS2 - 1.0F/inputs_S[i];
f1 = (f1 < 0) ? f1 : -f1;
CHECK(f1 <= deltaFloat);
d1 = test.resultD2 - 1.0L/inputs_D[i];
d1 = (d1 < 0) ? d1 : -d1;
CHECK(d1 <= deltaDouble);
} else {
CHECK_EQ(test.resultS1, 1.0F/outputs_S[i]);
CHECK_EQ(test.resultD1, 1.0L/outputs_D[i]);
CHECK_EQ(test.resultS2, 1.0F/inputs_S[i]);
CHECK_EQ(test.resultD2, 1.0L/inputs_D[i]);
}
}
}
TEST(neg) {
const int kTableLength = 2;
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
typedef struct test_float {
float a;
float resultS;
double c;
double resultD;
}TestFloat;
TestFloat test;
double inputs_D[kTableLength] = {
4.0, -2.0
};
double outputs_D[kTableLength] = {
-4.0, 2.0
};
float inputs_S[kTableLength] = {
4.0, -2.0
};
float outputs_S[kTableLength] = {
-4.0, 2.0
};
__ lwc1(f2, MemOperand(a0, offsetof(TestFloat, a)) );
__ ldc1(f8, MemOperand(a0, offsetof(TestFloat, c)) );
__ neg_s(f6, f2);
__ neg_d(f12, f8);
__ swc1(f6, MemOperand(a0, offsetof(TestFloat, resultS)) );
__ sdc1(f12, MemOperand(a0, offsetof(TestFloat, resultD)) );
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
for (int i = 0; i < kTableLength; i++) {
test.a = inputs_S[i];
test.c = inputs_D[i];
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.resultS, outputs_S[i]);
CHECK_EQ(test.resultD, outputs_D[i]);
}
}
TEST(mul) {
const int kTableLength = 4;
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
typedef struct test_float {
float a;
float b;
float resultS;
double c;
double d;
double resultD;
}TestFloat;
TestFloat test;
double inputfs_D[kTableLength] = {
5.3, -5.3, 5.3, -2.9
};
double inputft_D[kTableLength] = {
4.8, 4.8, -4.8, -0.29
};
float inputfs_S[kTableLength] = {
5.3, -5.3, 5.3, -2.9
};
float inputft_S[kTableLength] = {
4.8, 4.8, -4.8, -0.29
};
__ lwc1(f2, MemOperand(a0, offsetof(TestFloat, a)) );
__ lwc1(f4, MemOperand(a0, offsetof(TestFloat, b)) );
__ ldc1(f6, MemOperand(a0, offsetof(TestFloat, c)) );
__ ldc1(f8, MemOperand(a0, offsetof(TestFloat, d)) );
__ mul_s(f10, f2, f4);
__ mul_d(f12, f6, f8);
__ swc1(f10, MemOperand(a0, offsetof(TestFloat, resultS)) );
__ sdc1(f12, MemOperand(a0, offsetof(TestFloat, resultD)) );
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
for (int i = 0; i < kTableLength; i++) {
test.a = inputfs_S[i];
test.b = inputft_S[i];
test.c = inputfs_D[i];
test.d = inputft_D[i];
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.resultS, inputfs_S[i]*inputft_S[i]);
CHECK_EQ(test.resultD, inputfs_D[i]*inputft_D[i]);
}
}
TEST(mov) {
const int kTableLength = 4;
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
typedef struct test_float {
double a;
double b;
float c;
float d;
}TestFloat;
TestFloat test;
double inputs_D[kTableLength] = {
5.3, -5.3, 5.3, -2.9
};
double inputs_S[kTableLength] = {
4.8, 4.8, -4.8, -0.29
};
float outputs_S[kTableLength] = {
4.8, 4.8, -4.8, -0.29
};
double outputs_D[kTableLength] = {
5.3, -5.3, 5.3, -2.9
};
__ ldc1(f4, MemOperand(a0, offsetof(TestFloat, a)) );
__ lwc1(f6, MemOperand(a0, offsetof(TestFloat, c)) );
__ mov_s(f8, f6);
__ mov_d(f10, f4);
__ swc1(f8, MemOperand(a0, offsetof(TestFloat, d)) );
__ sdc1(f10, MemOperand(a0, offsetof(TestFloat, b)) );
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
for (int i = 0; i < kTableLength; i++) {
test.a = inputs_D[i];
test.c = inputs_S[i];
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.b, outputs_D[i]);
CHECK_EQ(test.d, outputs_S[i]);
}
}
TEST(floor_w) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
typedef struct test_float {
uint32_t isNaN2008;
double a;
float b;
int32_t c; // a floor result
int32_t d; // b floor result
}Test;
const int kTableLength = 15;
double inputs_D[kTableLength] = {
2.1, 2.6, 2.5, 3.1, 3.6, 3.5,
-2.1, -2.6, -2.5, -3.1, -3.6, -3.5,
2147483648.0,
std::numeric_limits<double>::quiet_NaN(),
std::numeric_limits<double>::infinity()
};
float inputs_S[kTableLength] = {
2.1, 2.6, 2.5, 3.1, 3.6, 3.5,
-2.1, -2.6, -2.5, -3.1, -3.6, -3.5,
2147483648.0,
std::numeric_limits<float>::quiet_NaN(),
std::numeric_limits<float>::infinity()
};
double outputs[kTableLength] = {
2.0, 2.0, 2.0, 3.0, 3.0, 3.0,
-3.0, -3.0, -3.0, -4.0, -4.0, -4.0,
kFPUInvalidResult, kFPUInvalidResult,
kFPUInvalidResult};
double outputsNaN2008[kTableLength] = {
2.0, 2.0, 2.0, 3.0, 3.0, 3.0,
-3.0, -3.0, -3.0, -4.0, -4.0, -4.0,
kFPUInvalidResult,
0,
kFPUInvalidResult};
__ cfc1(t1, FCSR);
__ sw(t1, MemOperand(a0, offsetof(Test, isNaN2008)));
__ ldc1(f4, MemOperand(a0, offsetof(Test, a)) );
__ lwc1(f6, MemOperand(a0, offsetof(Test, b)) );
__ floor_w_d(f8, f4);
__ floor_w_s(f10, f6);
__ swc1(f8, MemOperand(a0, offsetof(Test, c)) );
__ swc1(f10, MemOperand(a0, offsetof(Test, d)) );
__ jr(ra);
__ nop();
Test test;
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
for (int i = 0; i < kTableLength; i++) {
test.a = inputs_D[i];
test.b = inputs_S[i];
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
if ((test.isNaN2008 & kFCSRNaN2008FlagMask) && kArchVariant == kMips64r6) {
CHECK_EQ(test.c, outputsNaN2008[i]);
} else {
CHECK_EQ(test.c, outputs[i]);
}
CHECK_EQ(test.d, test.c);
}
}
TEST(floor_l) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0,
v8::internal::CodeObjectRequired::kYes);
const double dFPU64InvalidResult = static_cast<double>(kFPU64InvalidResult);
typedef struct test_float {
uint32_t isNaN2008;
double a;
float b;
int64_t c;
int64_t d;
}Test;
const int kTableLength = 15;
double inputs_D[kTableLength] = {
2.1, 2.6, 2.5, 3.1, 3.6, 3.5,
-2.1, -2.6, -2.5, -3.1, -3.6, -3.5,
2147483648.0,
std::numeric_limits<double>::quiet_NaN(),
std::numeric_limits<double>::infinity()
};
float inputs_S[kTableLength] = {
2.1, 2.6, 2.5, 3.1, 3.6, 3.5,
-2.1, -2.6, -2.5, -3.1, -3.6, -3.5,
2147483648.0,
std::numeric_limits<float>::quiet_NaN(),
std::numeric_limits<float>::infinity()
};
double outputs[kTableLength] = {
2.0, 2.0, 2.0, 3.0, 3.0, 3.0,
-3.0, -3.0, -3.0, -4.0, -4.0, -4.0,
2147483648.0, dFPU64InvalidResult,
dFPU64InvalidResult};
double outputsNaN2008[kTableLength] = {
2.0, 2.0, 2.0, 3.0, 3.0, 3.0,
-3.0, -3.0, -3.0, -4.0, -4.0, -4.0,
2147483648.0,
0,
dFPU64InvalidResult};
__ cfc1(t1, FCSR);
__ sw(t1, MemOperand(a0, offsetof(Test, isNaN2008)));
__ ldc1(f4, MemOperand(a0, offsetof(Test, a)) );
__ lwc1(f6, MemOperand(a0, offsetof(Test, b)) );
__ floor_l_d(f8, f4);
__ floor_l_s(f10, f6);
__ sdc1(f8, MemOperand(a0, offsetof(Test, c)) );
__ sdc1(f10, MemOperand(a0, offsetof(Test, d)) );
__ jr(ra);
__ nop();
Test test;
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
for (int i = 0; i < kTableLength; i++) {
test.a = inputs_D[i];
test.b = inputs_S[i];
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
if ((test.isNaN2008 & kFCSRNaN2008FlagMask) &&
kArchVariant == kMips64r6) {
CHECK_EQ(test.c, outputsNaN2008[i]);
} else {
CHECK_EQ(test.c, outputs[i]);
}
CHECK_EQ(test.d, test.c);
}
}
TEST(ceil_w) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
typedef struct test_float {
uint32_t isNaN2008;
double a;
float b;
int32_t c; // a floor result
int32_t d; // b floor result
}Test;
const int kTableLength = 15;
double inputs_D[kTableLength] = {
2.1, 2.6, 2.5, 3.1, 3.6, 3.5,
-2.1, -2.6, -2.5, -3.1, -3.6, -3.5,
2147483648.0,
std::numeric_limits<double>::quiet_NaN(),
std::numeric_limits<double>::infinity()
};
float inputs_S[kTableLength] = {
2.1, 2.6, 2.5, 3.1, 3.6, 3.5,
-2.1, -2.6, -2.5, -3.1, -3.6, -3.5,
2147483648.0,
std::numeric_limits<float>::quiet_NaN(),
std::numeric_limits<float>::infinity()
};
double outputs[kTableLength] = {
3.0, 3.0, 3.0, 4.0, 4.0, 4.0,
-2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
kFPUInvalidResult, kFPUInvalidResult,
kFPUInvalidResult};
double outputsNaN2008[kTableLength] = {
3.0, 3.0, 3.0, 4.0, 4.0, 4.0,
-2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
kFPUInvalidResult,
0,
kFPUInvalidResult};
__ cfc1(t1, FCSR);
__ sw(t1, MemOperand(a0, offsetof(Test, isNaN2008)));
__ ldc1(f4, MemOperand(a0, offsetof(Test, a)) );
__ lwc1(f6, MemOperand(a0, offsetof(Test, b)) );
__ ceil_w_d(f8, f4);
__ ceil_w_s(f10, f6);
__ swc1(f8, MemOperand(a0, offsetof(Test, c)) );
__ swc1(f10, MemOperand(a0, offsetof(Test, d)) );
__ jr(ra);
__ nop();
Test test;
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
for (int i = 0; i < kTableLength; i++) {
test.a = inputs_D[i];
test.b = inputs_S[i];
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
if ((test.isNaN2008 & kFCSRNaN2008FlagMask) && kArchVariant == kMips64r6) {
CHECK_EQ(test.c, outputsNaN2008[i]);
} else {
CHECK_EQ(test.c, outputs[i]);
}
CHECK_EQ(test.d, test.c);
}
}
TEST(ceil_l) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0,
v8::internal::CodeObjectRequired::kYes);
const double dFPU64InvalidResult = static_cast<double>(kFPU64InvalidResult);
typedef struct test_float {
uint32_t isNaN2008;
double a;
float b;
int64_t c;
int64_t d;
}Test;
const int kTableLength = 15;
double inputs_D[kTableLength] = {
2.1, 2.6, 2.5, 3.1, 3.6, 3.5,
-2.1, -2.6, -2.5, -3.1, -3.6, -3.5,
2147483648.0,
std::numeric_limits<double>::quiet_NaN(),
std::numeric_limits<double>::infinity()
};
float inputs_S[kTableLength] = {
2.1, 2.6, 2.5, 3.1, 3.6, 3.5,
-2.1, -2.6, -2.5, -3.1, -3.6, -3.5,
2147483648.0,
std::numeric_limits<float>::quiet_NaN(),
std::numeric_limits<float>::infinity()
};
double outputs[kTableLength] = {
3.0, 3.0, 3.0, 4.0, 4.0, 4.0,
-2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
2147483648.0, dFPU64InvalidResult,
dFPU64InvalidResult};
double outputsNaN2008[kTableLength] = {
3.0, 3.0, 3.0, 4.0, 4.0, 4.0,
-2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
2147483648.0,
0,
dFPU64InvalidResult};
__ cfc1(t1, FCSR);
__ sw(t1, MemOperand(a0, offsetof(Test, isNaN2008)));
__ ldc1(f4, MemOperand(a0, offsetof(Test, a)) );
__ lwc1(f6, MemOperand(a0, offsetof(Test, b)) );
__ ceil_l_d(f8, f4);
__ ceil_l_s(f10, f6);
__ sdc1(f8, MemOperand(a0, offsetof(Test, c)) );
__ sdc1(f10, MemOperand(a0, offsetof(Test, d)) );
__ jr(ra);
__ nop();
Test test;
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
for (int i = 0; i < kTableLength; i++) {
test.a = inputs_D[i];
test.b = inputs_S[i];
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
if ((test.isNaN2008 & kFCSRNaN2008FlagMask) &&
kArchVariant == kMips64r6) {
CHECK_EQ(test.c, outputsNaN2008[i]);
} else {
CHECK_EQ(test.c, outputs[i]);
}
CHECK_EQ(test.d, test.c);
}
}
TEST(jump_tables1) {
// Test jump tables with forward jumps.
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
Assembler assm(isolate, nullptr, 0);
const int kNumCases = 512;
int values[kNumCases];
isolate->random_number_generator()->NextBytes(values, sizeof(values));
Label labels[kNumCases];
__ daddiu(sp, sp, -8);
__ sd(ra, MemOperand(sp));
__ Align(8);
Label done;
{
__ BlockTrampolinePoolFor(kNumCases * 2 + 6);
PredictableCodeSizeScope predictable(
&assm, (kNumCases * 2 + 6) * Assembler::kInstrSize);
Label here;
__ bal(&here);
__ dsll(at, a0, 3); // In delay slot.
__ bind(&here);
__ daddu(at, at, ra);
__ ld(at, MemOperand(at, 4 * Assembler::kInstrSize));
__ jr(at);
__ nop();
for (int i = 0; i < kNumCases; ++i) {
__ dd(&labels[i]);
}
}
for (int i = 0; i < kNumCases; ++i) {
__ bind(&labels[i]);
__ lui(v0, (values[i] >> 16) & 0xffff);
__ ori(v0, v0, values[i] & 0xffff);
__ b(&done);
__ nop();
}
__ bind(&done);
__ ld(ra, MemOperand(sp));
__ daddiu(sp, sp, 8);
__ jr(ra);
__ nop();
CHECK_EQ(assm.UnboundLabelsCount(), 0);
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
#ifdef OBJECT_PRINT
code->Print(std::cout);
#endif
F1 f = FUNCTION_CAST<F1>(code->entry());
for (int i = 0; i < kNumCases; ++i) {
int64_t res = reinterpret_cast<int64_t>(
CALL_GENERATED_CODE(isolate, f, i, 0, 0, 0, 0));
::printf("f(%d) = %" PRId64 "\n", i, res);
CHECK_EQ(values[i], static_cast<int>(res));
}
}
TEST(jump_tables2) {
// Test jump tables with backward jumps.
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
Assembler assm(isolate, nullptr, 0);
const int kNumCases = 512;
int values[kNumCases];
isolate->random_number_generator()->NextBytes(values, sizeof(values));
Label labels[kNumCases];
__ daddiu(sp, sp, -8);
__ sd(ra, MemOperand(sp));
Label done, dispatch;
__ b(&dispatch);
__ nop();
for (int i = 0; i < kNumCases; ++i) {
__ bind(&labels[i]);
__ lui(v0, (values[i] >> 16) & 0xffff);
__ ori(v0, v0, values[i] & 0xffff);
__ b(&done);
__ nop();
}
__ Align(8);
__ bind(&dispatch);
{
__ BlockTrampolinePoolFor(kNumCases * 2 + 6);
PredictableCodeSizeScope predictable(
&assm, (kNumCases * 2 + 6) * Assembler::kInstrSize);
Label here;
__ bal(&here);
__ dsll(at, a0, 3); // In delay slot.
__ bind(&here);
__ daddu(at, at, ra);
__ ld(at, MemOperand(at, 4 * Assembler::kInstrSize));
__ jr(at);
__ nop();
for (int i = 0; i < kNumCases; ++i) {
__ dd(&labels[i]);
}
}
__ bind(&done);
__ ld(ra, MemOperand(sp));
__ daddiu(sp, sp, 8);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
#ifdef OBJECT_PRINT
code->Print(std::cout);
#endif
F1 f = FUNCTION_CAST<F1>(code->entry());
for (int i = 0; i < kNumCases; ++i) {
int64_t res = reinterpret_cast<int64_t>(
CALL_GENERATED_CODE(isolate, f, i, 0, 0, 0, 0));
::printf("f(%d) = %" PRId64 "\n", i, res);
CHECK_EQ(values[i], res);
}
}
TEST(jump_tables3) {
// Test jump tables with backward jumps and embedded heap objects.
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
Assembler assm(isolate, nullptr, 0);
const int kNumCases = 512;
Handle<Object> values[kNumCases];
for (int i = 0; i < kNumCases; ++i) {
double value = isolate->random_number_generator()->NextDouble();
values[i] = isolate->factory()->NewHeapNumber(value, IMMUTABLE, TENURED);
}
Label labels[kNumCases];
Object* obj;
int64_t imm64;
__ daddiu(sp, sp, -8);
__ sd(ra, MemOperand(sp));
Label done, dispatch;
__ b(&dispatch);
__ nop();
for (int i = 0; i < kNumCases; ++i) {
__ bind(&labels[i]);
obj = *values[i];
imm64 = reinterpret_cast<intptr_t>(obj);
__ lui(v0, (imm64 >> 32) & kImm16Mask);
__ ori(v0, v0, (imm64 >> 16) & kImm16Mask);
__ dsll(v0, v0, 16);
__ ori(v0, v0, imm64 & kImm16Mask);
__ b(&done);
__ nop();
}
__ Align(8);
__ bind(&dispatch);
{
__ BlockTrampolinePoolFor(kNumCases * 2 + 6);
PredictableCodeSizeScope predictable(
&assm, (kNumCases * 2 + 6) * Assembler::kInstrSize);
Label here;
__ bal(&here);
__ dsll(at, a0, 3); // In delay slot.
__ bind(&here);
__ daddu(at, at, ra);
__ ld(at, MemOperand(at, 4 * Assembler::kInstrSize));
__ jr(at);
__ nop();
for (int i = 0; i < kNumCases; ++i) {
__ dd(&labels[i]);
}
}
__ bind(&done);
__ ld(ra, MemOperand(sp));
__ daddiu(sp, sp, 8);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
#ifdef OBJECT_PRINT
code->Print(std::cout);
#endif
F1 f = FUNCTION_CAST<F1>(code->entry());
for (int i = 0; i < kNumCases; ++i) {
Handle<Object> result(
CALL_GENERATED_CODE(isolate, f, i, 0, 0, 0, 0), isolate);
#ifdef OBJECT_PRINT
::printf("f(%d) = ", i);
result->Print(std::cout);
::printf("\n");
#endif
CHECK(values[i].is_identical_to(result));
}
}
TEST(BITSWAP) {
// Test BITSWAP
if (kArchVariant == kMips64r6) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
typedef struct {
int64_t r1;
int64_t r2;
int64_t r3;
int64_t r4;
int64_t r5;
int64_t r6;
} T;
T t;
Assembler assm(isolate, NULL, 0);
__ ld(a4, MemOperand(a0, offsetof(T, r1)));
__ nop();
__ bitswap(a6, a4);
__ sd(a6, MemOperand(a0, offsetof(T, r1)));
__ ld(a4, MemOperand(a0, offsetof(T, r2)));
__ nop();
__ bitswap(a6, a4);
__ sd(a6, MemOperand(a0, offsetof(T, r2)));
__ ld(a4, MemOperand(a0, offsetof(T, r3)));
__ nop();
__ bitswap(a6, a4);
__ sd(a6, MemOperand(a0, offsetof(T, r3)));
__ ld(a4, MemOperand(a0, offsetof(T, r4)));
__ nop();
__ bitswap(a6, a4);
__ sd(a6, MemOperand(a0, offsetof(T, r4)));
__ ld(a4, MemOperand(a0, offsetof(T, r5)));
__ nop();
__ dbitswap(a6, a4);
__ sd(a6, MemOperand(a0, offsetof(T, r5)));
__ ld(a4, MemOperand(a0, offsetof(T, r6)));
__ nop();
__ dbitswap(a6, a4);
__ sd(a6, MemOperand(a0, offsetof(T, r6)));
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
t.r1 = 0x00102100781A15C3;
t.r2 = 0x001021008B71FCDE;
t.r3 = 0xFF8017FF781A15C3;
t.r4 = 0xFF8017FF8B71FCDE;
t.r5 = 0x10C021098B71FCDE;
t.r6 = 0xFB8017FF781A15C3;
Object* dummy = CALL_GENERATED_CODE(isolate, f, &t, 0, 0, 0, 0);
USE(dummy);
CHECK_EQ(static_cast<int64_t>(0x000000001E58A8C3L), t.r1);
CHECK_EQ(static_cast<int64_t>(0xFFFFFFFFD18E3F7BL), t.r2);
CHECK_EQ(static_cast<int64_t>(0x000000001E58A8C3L), t.r3);
CHECK_EQ(static_cast<int64_t>(0xFFFFFFFFD18E3F7BL), t.r4);
CHECK_EQ(static_cast<int64_t>(0x08038490D18E3F7BL), t.r5);
CHECK_EQ(static_cast<int64_t>(0xDF01E8FF1E58A8C3L), t.r6);
}
}
TEST(class_fmt) {
if (kArchVariant == kMips64r6) {
// Test CLASS.fmt instruction.
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
typedef struct {
double dSignalingNan;
double dQuietNan;
double dNegInf;
double dNegNorm;
double dNegSubnorm;
double dNegZero;
double dPosInf;
double dPosNorm;
double dPosSubnorm;
double dPosZero;
float fSignalingNan;
float fQuietNan;
float fNegInf;
float fNegNorm;
float fNegSubnorm;
float fNegZero;
float fPosInf;
float fPosNorm;
float fPosSubnorm;
float fPosZero; } T;
T t;
// Create a function that accepts &t, and loads, manipulates, and stores
// the doubles t.a ... t.f.
MacroAssembler assm(isolate, NULL, 0,
v8::internal::CodeObjectRequired::kYes);
__ ldc1(f4, MemOperand(a0, offsetof(T, dSignalingNan)));
__ class_d(f6, f4);
__ sdc1(f6, MemOperand(a0, offsetof(T, dSignalingNan)));
__ ldc1(f4, MemOperand(a0, offsetof(T, dQuietNan)));
__ class_d(f6, f4);
__ sdc1(f6, MemOperand(a0, offsetof(T, dQuietNan)));
__ ldc1(f4, MemOperand(a0, offsetof(T, dNegInf)));
__ class_d(f6, f4);
__ sdc1(f6, MemOperand(a0, offsetof(T, dNegInf)));
__ ldc1(f4, MemOperand(a0, offsetof(T, dNegNorm)));
__ class_d(f6, f4);
__ sdc1(f6, MemOperand(a0, offsetof(T, dNegNorm)));
__ ldc1(f4, MemOperand(a0, offsetof(T, dNegSubnorm)));
__ class_d(f6, f4);
__ sdc1(f6, MemOperand(a0, offsetof(T, dNegSubnorm)));
__ ldc1(f4, MemOperand(a0, offsetof(T, dNegZero)));
__ class_d(f6, f4);
__ sdc1(f6, MemOperand(a0, offsetof(T, dNegZero)));
__ ldc1(f4, MemOperand(a0, offsetof(T, dPosInf)));
__ class_d(f6, f4);
__ sdc1(f6, MemOperand(a0, offsetof(T, dPosInf)));
__ ldc1(f4, MemOperand(a0, offsetof(T, dPosNorm)));
__ class_d(f6, f4);
__ sdc1(f6, MemOperand(a0, offsetof(T, dPosNorm)));
__ ldc1(f4, MemOperand(a0, offsetof(T, dPosSubnorm)));
__ class_d(f6, f4);
__ sdc1(f6, MemOperand(a0, offsetof(T, dPosSubnorm)));
__ ldc1(f4, MemOperand(a0, offsetof(T, dPosZero)));
__ class_d(f6, f4);
__ sdc1(f6, MemOperand(a0, offsetof(T, dPosZero)));
// Testing instruction CLASS.S
__ lwc1(f4, MemOperand(a0, offsetof(T, fSignalingNan)));
__ class_s(f6, f4);
__ swc1(f6, MemOperand(a0, offsetof(T, fSignalingNan)));
__ lwc1(f4, MemOperand(a0, offsetof(T, fQuietNan)));
__ class_s(f6, f4);
__ swc1(f6, MemOperand(a0, offsetof(T, fQuietNan)));
__ lwc1(f4, MemOperand(a0, offsetof(T, fNegInf)));
__ class_s(f6, f4);
__ swc1(f6, MemOperand(a0, offsetof(T, fNegInf)));
__ lwc1(f4, MemOperand(a0, offsetof(T, fNegNorm)));
__ class_s(f6, f4);
__ swc1(f6, MemOperand(a0, offsetof(T, fNegNorm)));
__ lwc1(f4, MemOperand(a0, offsetof(T, fNegSubnorm)));
__ class_s(f6, f4);
__ swc1(f6, MemOperand(a0, offsetof(T, fNegSubnorm)));
__ lwc1(f4, MemOperand(a0, offsetof(T, fNegZero)));
__ class_s(f6, f4);
__ swc1(f6, MemOperand(a0, offsetof(T, fNegZero)));
__ lwc1(f4, MemOperand(a0, offsetof(T, fPosInf)));
__ class_s(f6, f4);
__ swc1(f6, MemOperand(a0, offsetof(T, fPosInf)));
__ lwc1(f4, MemOperand(a0, offsetof(T, fPosNorm)));
__ class_s(f6, f4);
__ swc1(f6, MemOperand(a0, offsetof(T, fPosNorm)));
__ lwc1(f4, MemOperand(a0, offsetof(T, fPosSubnorm)));
__ class_s(f6, f4);
__ swc1(f6, MemOperand(a0, offsetof(T, fPosSubnorm)));
__ lwc1(f4, MemOperand(a0, offsetof(T, fPosZero)));
__ class_s(f6, f4);
__ swc1(f6, MemOperand(a0, offsetof(T, fPosZero)));
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
// Double test values.
t.dSignalingNan = std::numeric_limits<double>::signaling_NaN();
t.dQuietNan = std::numeric_limits<double>::quiet_NaN();
t.dNegInf = -1.0 / 0.0;
t.dNegNorm = -5.0;
t.dNegSubnorm = -DBL_MIN / 2.0;
t.dNegZero = -0.0;
t.dPosInf = 2.0 / 0.0;
t.dPosNorm = 275.35;
t.dPosSubnorm = DBL_MIN / 2.0;
t.dPosZero = +0.0;
// Float test values
t.fSignalingNan = std::numeric_limits<float>::signaling_NaN();
t.fQuietNan = std::numeric_limits<float>::quiet_NaN();
t.fNegInf = -0.5/0.0;
t.fNegNorm = -FLT_MIN;
t.fNegSubnorm = -FLT_MIN / 1.5;
t.fNegZero = -0.0;
t.fPosInf = 100000.0 / 0.0;
t.fPosNorm = FLT_MAX;
t.fPosSubnorm = FLT_MIN / 20.0;
t.fPosZero = +0.0;
Object* dummy = CALL_GENERATED_CODE(isolate, f, &t, 0, 0, 0, 0);
USE(dummy);
// Expected double results.
CHECK_EQ(bit_cast<int64_t>(t.dSignalingNan), 0x001);
CHECK_EQ(bit_cast<int64_t>(t.dQuietNan), 0x002);
CHECK_EQ(bit_cast<int64_t>(t.dNegInf), 0x004);
CHECK_EQ(bit_cast<int64_t>(t.dNegNorm), 0x008);
CHECK_EQ(bit_cast<int64_t>(t.dNegSubnorm), 0x010);
CHECK_EQ(bit_cast<int64_t>(t.dNegZero), 0x020);
CHECK_EQ(bit_cast<int64_t>(t.dPosInf), 0x040);
CHECK_EQ(bit_cast<int64_t>(t.dPosNorm), 0x080);
CHECK_EQ(bit_cast<int64_t>(t.dPosSubnorm), 0x100);
CHECK_EQ(bit_cast<int64_t>(t.dPosZero), 0x200);
// Expected float results.
CHECK_EQ(bit_cast<int32_t>(t.fSignalingNan), 0x001);
CHECK_EQ(bit_cast<int32_t>(t.fQuietNan), 0x002);
CHECK_EQ(bit_cast<int32_t>(t.fNegInf), 0x004);
CHECK_EQ(bit_cast<int32_t>(t.fNegNorm), 0x008);
CHECK_EQ(bit_cast<int32_t>(t.fNegSubnorm), 0x010);
CHECK_EQ(bit_cast<int32_t>(t.fNegZero), 0x020);
CHECK_EQ(bit_cast<int32_t>(t.fPosInf), 0x040);
CHECK_EQ(bit_cast<int32_t>(t.fPosNorm), 0x080);
CHECK_EQ(bit_cast<int32_t>(t.fPosSubnorm), 0x100);
CHECK_EQ(bit_cast<int32_t>(t.fPosZero), 0x200);
}
}
TEST(ABS) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
typedef struct test_float {
int64_t fir;
double a;
float b;
double fcsr;
} TestFloat;
TestFloat test;
// Save FIR.
__ cfc1(a1, FCSR);
__ sd(a1, MemOperand(a0, offsetof(TestFloat, fcsr)));
// Disable FPU exceptions.
__ ctc1(zero_reg, FCSR);
__ ldc1(f4, MemOperand(a0, offsetof(TestFloat, a)));
__ abs_d(f10, f4);
__ sdc1(f10, MemOperand(a0, offsetof(TestFloat, a)));
__ lwc1(f4, MemOperand(a0, offsetof(TestFloat, b)));
__ abs_s(f10, f4);
__ swc1(f10, MemOperand(a0, offsetof(TestFloat, b)));
// Restore FCSR.
__ ctc1(a1, FCSR);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
test.a = -2.0;
test.b = -2.0;
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.a, 2.0);
CHECK_EQ(test.b, 2.0);
test.a = 2.0;
test.b = 2.0;
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.a, 2.0);
CHECK_EQ(test.b, 2.0);
// Testing biggest positive number
test.a = std::numeric_limits<double>::max();
test.b = std::numeric_limits<float>::max();
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.a, std::numeric_limits<double>::max());
CHECK_EQ(test.b, std::numeric_limits<float>::max());
// Testing smallest negative number
test.a = -std::numeric_limits<double>::max(); // lowest()
test.b = -std::numeric_limits<float>::max(); // lowest()
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.a, std::numeric_limits<double>::max());
CHECK_EQ(test.b, std::numeric_limits<float>::max());
// Testing smallest positive number
test.a = -std::numeric_limits<double>::min();
test.b = -std::numeric_limits<float>::min();
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.a, std::numeric_limits<double>::min());
CHECK_EQ(test.b, std::numeric_limits<float>::min());
// Testing infinity
test.a = -std::numeric_limits<double>::max()
/ std::numeric_limits<double>::min();
test.b = -std::numeric_limits<float>::max()
/ std::numeric_limits<float>::min();
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.a, std::numeric_limits<double>::max()
/ std::numeric_limits<double>::min());
CHECK_EQ(test.b, std::numeric_limits<float>::max()
/ std::numeric_limits<float>::min());
test.a = std::numeric_limits<double>::quiet_NaN();
test.b = std::numeric_limits<float>::quiet_NaN();
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(std::isnan(test.a), true);
CHECK_EQ(std::isnan(test.b), true);
test.a = std::numeric_limits<double>::signaling_NaN();
test.b = std::numeric_limits<float>::signaling_NaN();
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(std::isnan(test.a), true);
CHECK_EQ(std::isnan(test.b), true);
}
TEST(ADD_FMT) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
typedef struct test_float {
double a;
double b;
double c;
float fa;
float fb;
float fc;
} TestFloat;
TestFloat test;
__ ldc1(f4, MemOperand(a0, offsetof(TestFloat, a)));
__ ldc1(f8, MemOperand(a0, offsetof(TestFloat, b)));
__ add_d(f10, f8, f4);
__ sdc1(f10, MemOperand(a0, offsetof(TestFloat, c)));
__ lwc1(f4, MemOperand(a0, offsetof(TestFloat, fa)));
__ lwc1(f8, MemOperand(a0, offsetof(TestFloat, fb)));
__ add_s(f10, f8, f4);
__ swc1(f10, MemOperand(a0, offsetof(TestFloat, fc)));
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
test.a = 2.0;
test.b = 3.0;
test.fa = 2.0;
test.fb = 3.0;
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.c, 5.0);
CHECK_EQ(test.fc, 5.0);
test.a = std::numeric_limits<double>::max();
test.b = -std::numeric_limits<double>::max(); // lowest()
test.fa = std::numeric_limits<float>::max();
test.fb = -std::numeric_limits<float>::max(); // lowest()
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.c, 0.0);
CHECK_EQ(test.fc, 0.0);
test.a = std::numeric_limits<double>::max();
test.b = std::numeric_limits<double>::max();
test.fa = std::numeric_limits<float>::max();
test.fb = std::numeric_limits<float>::max();
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(std::isfinite(test.c), false);
CHECK_EQ(std::isfinite(test.fc), false);
test.a = 5.0;
test.b = std::numeric_limits<double>::signaling_NaN();
test.fa = 5.0;
test.fb = std::numeric_limits<float>::signaling_NaN();
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(std::isnan(test.c), true);
CHECK_EQ(std::isnan(test.fc), true);
}
TEST(C_COND_FMT) {
if (kArchVariant == kMips64r2) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0,
v8::internal::CodeObjectRequired::kYes);
typedef struct test_float {
double dOp1;
double dOp2;
uint32_t dF;
uint32_t dUn;
uint32_t dEq;
uint32_t dUeq;
uint32_t dOlt;
uint32_t dUlt;
uint32_t dOle;
uint32_t dUle;
float fOp1;
float fOp2;
uint32_t fF;
uint32_t fUn;
uint32_t fEq;
uint32_t fUeq;
uint32_t fOlt;
uint32_t fUlt;
uint32_t fOle;
uint32_t fUle;
} TestFloat;
TestFloat test;
__ li(t1, 1);
__ ldc1(f4, MemOperand(a0, offsetof(TestFloat, dOp1)));
__ ldc1(f6, MemOperand(a0, offsetof(TestFloat, dOp2)));
__ lwc1(f14, MemOperand(a0, offsetof(TestFloat, fOp1)));
__ lwc1(f16, MemOperand(a0, offsetof(TestFloat, fOp2)));
__ mov(t2, zero_reg);
__ mov(t3, zero_reg);
__ c_d(F, f4, f6, 0);
__ c_s(F, f14, f16, 2);
__ movt(t2, t1, 0);
__ movt(t3, t1, 2);
__ sw(t2, MemOperand(a0, offsetof(TestFloat, dF)) );
__ sw(t3, MemOperand(a0, offsetof(TestFloat, fF)) );
__ mov(t2, zero_reg);
__ mov(t3, zero_reg);
__ c_d(UN, f4, f6, 2);
__ c_s(UN, f14, f16, 4);
__ movt(t2, t1, 2);
__ movt(t3, t1, 4);
__ sw(t2, MemOperand(a0, offsetof(TestFloat, dUn)) );
__ sw(t3, MemOperand(a0, offsetof(TestFloat, fUn)) );
__ mov(t2, zero_reg);
__ mov(t3, zero_reg);
__ c_d(EQ, f4, f6, 4);
__ c_s(EQ, f14, f16, 6);
__ movt(t2, t1, 4);
__ movt(t3, t1, 6);
__ sw(t2, MemOperand(a0, offsetof(TestFloat, dEq)) );
__ sw(t3, MemOperand(a0, offsetof(TestFloat, fEq)) );
__ mov(t2, zero_reg);
__ mov(t3, zero_reg);
__ c_d(UEQ, f4, f6, 6);
__ c_s(UEQ, f14, f16, 0);
__ movt(t2, t1, 6);
__ movt(t3, t1, 0);
__ sw(t2, MemOperand(a0, offsetof(TestFloat, dUeq)) );
__ sw(t3, MemOperand(a0, offsetof(TestFloat, fUeq)) );
__ mov(t2, zero_reg);
__ mov(t3, zero_reg);
__ c_d(OLT, f4, f6, 0);
__ c_s(OLT, f14, f16, 2);
__ movt(t2, t1, 0);
__ movt(t3, t1, 2);
__ sw(t2, MemOperand(a0, offsetof(TestFloat, dOlt)) );
__ sw(t3, MemOperand(a0, offsetof(TestFloat, fOlt)) );
__ mov(t2, zero_reg);
__ mov(t3, zero_reg);
__ c_d(ULT, f4, f6, 2);
__ c_s(ULT, f14, f16, 4);
__ movt(t2, t1, 2);
__ movt(t3, t1, 4);
__ sw(t2, MemOperand(a0, offsetof(TestFloat, dUlt)) );
__ sw(t3, MemOperand(a0, offsetof(TestFloat, fUlt)) );
__ mov(t2, zero_reg);
__ mov(t3, zero_reg);
__ c_d(OLE, f4, f6, 4);
__ c_s(OLE, f14, f16, 6);
__ movt(t2, t1, 4);
__ movt(t3, t1, 6);
__ sw(t2, MemOperand(a0, offsetof(TestFloat, dOle)) );
__ sw(t3, MemOperand(a0, offsetof(TestFloat, fOle)) );
__ mov(t2, zero_reg);
__ mov(t3, zero_reg);
__ c_d(ULE, f4, f6, 6);
__ c_s(ULE, f14, f16, 0);
__ movt(t2, t1, 6);
__ movt(t3, t1, 0);
__ sw(t2, MemOperand(a0, offsetof(TestFloat, dUle)) );
__ sw(t3, MemOperand(a0, offsetof(TestFloat, fUle)) );
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
test.dOp1 = 2.0;
test.dOp2 = 3.0;
test.fOp1 = 2.0;
test.fOp2 = 3.0;
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.dF, 0U);
CHECK_EQ(test.dUn, 0U);
CHECK_EQ(test.dEq, 0U);
CHECK_EQ(test.dUeq, 0U);
CHECK_EQ(test.dOlt, 1U);
CHECK_EQ(test.dUlt, 1U);
CHECK_EQ(test.dOle, 1U);
CHECK_EQ(test.dUle, 1U);
CHECK_EQ(test.fF, 0U);
CHECK_EQ(test.fUn, 0U);
CHECK_EQ(test.fEq, 0U);
CHECK_EQ(test.fUeq, 0U);
CHECK_EQ(test.fOlt, 1U);
CHECK_EQ(test.fUlt, 1U);
CHECK_EQ(test.fOle, 1U);
CHECK_EQ(test.fUle, 1U);
test.dOp1 = std::numeric_limits<double>::max();
test.dOp2 = std::numeric_limits<double>::min();
test.fOp1 = std::numeric_limits<float>::min();
test.fOp2 = -std::numeric_limits<float>::max(); // lowest()
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.dF, 0U);
CHECK_EQ(test.dUn, 0U);
CHECK_EQ(test.dEq, 0U);
CHECK_EQ(test.dUeq, 0U);
CHECK_EQ(test.dOlt, 0U);
CHECK_EQ(test.dUlt, 0U);
CHECK_EQ(test.dOle, 0U);
CHECK_EQ(test.dUle, 0U);
CHECK_EQ(test.fF, 0U);
CHECK_EQ(test.fUn, 0U);
CHECK_EQ(test.fEq, 0U);
CHECK_EQ(test.fUeq, 0U);
CHECK_EQ(test.fOlt, 0U);
CHECK_EQ(test.fUlt, 0U);
CHECK_EQ(test.fOle, 0U);
CHECK_EQ(test.fUle, 0U);
test.dOp1 = -std::numeric_limits<double>::max(); // lowest()
test.dOp2 = -std::numeric_limits<double>::max(); // lowest()
test.fOp1 = std::numeric_limits<float>::max();
test.fOp2 = std::numeric_limits<float>::max();
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.dF, 0U);
CHECK_EQ(test.dUn, 0U);
CHECK_EQ(test.dEq, 1U);
CHECK_EQ(test.dUeq, 1U);
CHECK_EQ(test.dOlt, 0U);
CHECK_EQ(test.dUlt, 0U);
CHECK_EQ(test.dOle, 1U);
CHECK_EQ(test.dUle, 1U);
CHECK_EQ(test.fF, 0U);
CHECK_EQ(test.fUn, 0U);
CHECK_EQ(test.fEq, 1U);
CHECK_EQ(test.fUeq, 1U);
CHECK_EQ(test.fOlt, 0U);
CHECK_EQ(test.fUlt, 0U);
CHECK_EQ(test.fOle, 1U);
CHECK_EQ(test.fUle, 1U);
test.dOp1 = std::numeric_limits<double>::quiet_NaN();
test.dOp2 = 0.0;
test.fOp1 = std::numeric_limits<float>::quiet_NaN();
test.fOp2 = 0.0;
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.dF, 0U);
CHECK_EQ(test.dUn, 1U);
CHECK_EQ(test.dEq, 0U);
CHECK_EQ(test.dUeq, 1U);
CHECK_EQ(test.dOlt, 0U);
CHECK_EQ(test.dUlt, 1U);
CHECK_EQ(test.dOle, 0U);
CHECK_EQ(test.dUle, 1U);
CHECK_EQ(test.fF, 0U);
CHECK_EQ(test.fUn, 1U);
CHECK_EQ(test.fEq, 0U);
CHECK_EQ(test.fUeq, 1U);
CHECK_EQ(test.fOlt, 0U);
CHECK_EQ(test.fUlt, 1U);
CHECK_EQ(test.fOle, 0U);
CHECK_EQ(test.fUle, 1U);
}
}
TEST(CMP_COND_FMT) {
if (kArchVariant == kMips64r6) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0,
v8::internal::CodeObjectRequired::kYes);
typedef struct test_float {
double dOp1;
double dOp2;
double dF;
double dUn;
double dEq;
double dUeq;
double dOlt;
double dUlt;
double dOle;
double dUle;
double dOr;
double dUne;
double dNe;
float fOp1;
float fOp2;
float fF;
float fUn;
float fEq;
float fUeq;
float fOlt;
float fUlt;
float fOle;
float fUle;
float fOr;
float fUne;
float fNe;
} TestFloat;
TestFloat test;
__ li(t1, 1);
__ ldc1(f4, MemOperand(a0, offsetof(TestFloat, dOp1)));
__ ldc1(f6, MemOperand(a0, offsetof(TestFloat, dOp2)));
__ lwc1(f14, MemOperand(a0, offsetof(TestFloat, fOp1)));
__ lwc1(f16, MemOperand(a0, offsetof(TestFloat, fOp2)));
__ cmp_d(F, f2, f4, f6);
__ cmp_s(F, f12, f14, f16);
__ sdc1(f2, MemOperand(a0, offsetof(TestFloat, dF)) );
__ swc1(f12, MemOperand(a0, offsetof(TestFloat, fF)) );
__ cmp_d(UN, f2, f4, f6);
__ cmp_s(UN, f12, f14, f16);
__ sdc1(f2, MemOperand(a0, offsetof(TestFloat, dUn)) );
__ swc1(f12, MemOperand(a0, offsetof(TestFloat, fUn)) );
__ cmp_d(EQ, f2, f4, f6);
__ cmp_s(EQ, f12, f14, f16);
__ sdc1(f2, MemOperand(a0, offsetof(TestFloat, dEq)) );
__ swc1(f12, MemOperand(a0, offsetof(TestFloat, fEq)) );
__ cmp_d(UEQ, f2, f4, f6);
__ cmp_s(UEQ, f12, f14, f16);
__ sdc1(f2, MemOperand(a0, offsetof(TestFloat, dUeq)) );
__ swc1(f12, MemOperand(a0, offsetof(TestFloat, fUeq)) );
__ cmp_d(LT, f2, f4, f6);
__ cmp_s(LT, f12, f14, f16);
__ sdc1(f2, MemOperand(a0, offsetof(TestFloat, dOlt)) );
__ swc1(f12, MemOperand(a0, offsetof(TestFloat, fOlt)) );
__ cmp_d(ULT, f2, f4, f6);
__ cmp_s(ULT, f12, f14, f16);
__ sdc1(f2, MemOperand(a0, offsetof(TestFloat, dUlt)) );
__ swc1(f12, MemOperand(a0, offsetof(TestFloat, fUlt)) );
__ cmp_d(LE, f2, f4, f6);
__ cmp_s(LE, f12, f14, f16);
__ sdc1(f2, MemOperand(a0, offsetof(TestFloat, dOle)) );
__ swc1(f12, MemOperand(a0, offsetof(TestFloat, fOle)) );
__ cmp_d(ULE, f2, f4, f6);
__ cmp_s(ULE, f12, f14, f16);
__ sdc1(f2, MemOperand(a0, offsetof(TestFloat, dUle)) );
__ swc1(f12, MemOperand(a0, offsetof(TestFloat, fUle)) );
__ cmp_d(ORD, f2, f4, f6);
__ cmp_s(ORD, f12, f14, f16);
__ sdc1(f2, MemOperand(a0, offsetof(TestFloat, dOr)) );
__ swc1(f12, MemOperand(a0, offsetof(TestFloat, fOr)) );
__ cmp_d(UNE, f2, f4, f6);
__ cmp_s(UNE, f12, f14, f16);
__ sdc1(f2, MemOperand(a0, offsetof(TestFloat, dUne)) );
__ swc1(f12, MemOperand(a0, offsetof(TestFloat, fUne)) );
__ cmp_d(NE, f2, f4, f6);
__ cmp_s(NE, f12, f14, f16);
__ sdc1(f2, MemOperand(a0, offsetof(TestFloat, dNe)) );
__ swc1(f12, MemOperand(a0, offsetof(TestFloat, fNe)) );
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
uint64_t dTrue = 0xFFFFFFFFFFFFFFFF;
uint64_t dFalse = 0x0000000000000000;
uint32_t fTrue = 0xFFFFFFFF;
uint32_t fFalse = 0x00000000;
test.dOp1 = 2.0;
test.dOp2 = 3.0;
test.fOp1 = 2.0;
test.fOp2 = 3.0;
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(bit_cast<uint64_t>(test.dF), dFalse);
CHECK_EQ(bit_cast<uint64_t>(test.dUn), dFalse);
CHECK_EQ(bit_cast<uint64_t>(test.dEq), dFalse);
CHECK_EQ(bit_cast<uint64_t>(test.dUeq), dFalse);
CHECK_EQ(bit_cast<uint64_t>(test.dOlt), dTrue);
CHECK_EQ(bit_cast<uint64_t>(test.dUlt), dTrue);
CHECK_EQ(bit_cast<uint64_t>(test.dOle), dTrue);
CHECK_EQ(bit_cast<uint64_t>(test.dUle), dTrue);
CHECK_EQ(bit_cast<uint64_t>(test.dOr), dTrue);
CHECK_EQ(bit_cast<uint64_t>(test.dUne), dTrue);
CHECK_EQ(bit_cast<uint64_t>(test.dNe), dTrue);
CHECK_EQ(bit_cast<uint32_t>(test.fF), fFalse);
CHECK_EQ(bit_cast<uint32_t>(test.fUn), fFalse);
CHECK_EQ(bit_cast<uint32_t>(test.fEq), fFalse);
CHECK_EQ(bit_cast<uint32_t>(test.fUeq), fFalse);
CHECK_EQ(bit_cast<uint32_t>(test.fOlt), fTrue);
CHECK_EQ(bit_cast<uint32_t>(test.fUlt), fTrue);
CHECK_EQ(bit_cast<uint32_t>(test.fOle), fTrue);
CHECK_EQ(bit_cast<uint32_t>(test.fUle), fTrue);
test.dOp1 = std::numeric_limits<double>::max();
test.dOp2 = std::numeric_limits<double>::min();
test.fOp1 = std::numeric_limits<float>::min();
test.fOp2 = -std::numeric_limits<float>::max(); // lowest()
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(bit_cast<uint64_t>(test.dF), dFalse);
CHECK_EQ(bit_cast<uint64_t>(test.dUn), dFalse);
CHECK_EQ(bit_cast<uint64_t>(test.dEq), dFalse);
CHECK_EQ(bit_cast<uint64_t>(test.dUeq), dFalse);
CHECK_EQ(bit_cast<uint64_t>(test.dOlt), dFalse);
CHECK_EQ(bit_cast<uint64_t>(test.dUlt), dFalse);
CHECK_EQ(bit_cast<uint64_t>(test.dOle), dFalse);
CHECK_EQ(bit_cast<uint64_t>(test.dUle), dFalse);
CHECK_EQ(bit_cast<uint64_t>(test.dOr), dTrue);
CHECK_EQ(bit_cast<uint64_t>(test.dUne), dTrue);
CHECK_EQ(bit_cast<uint64_t>(test.dNe), dTrue);
CHECK_EQ(bit_cast<uint32_t>(test.fF), fFalse);
CHECK_EQ(bit_cast<uint32_t>(test.fUn), fFalse);
CHECK_EQ(bit_cast<uint32_t>(test.fEq), fFalse);
CHECK_EQ(bit_cast<uint32_t>(test.fUeq), fFalse);
CHECK_EQ(bit_cast<uint32_t>(test.fOlt), fFalse);
CHECK_EQ(bit_cast<uint32_t>(test.fUlt), fFalse);
CHECK_EQ(bit_cast<uint32_t>(test.fOle), fFalse);
CHECK_EQ(bit_cast<uint32_t>(test.fUle), fFalse);
test.dOp1 = -std::numeric_limits<double>::max(); // lowest()
test.dOp2 = -std::numeric_limits<double>::max(); // lowest()
test.fOp1 = std::numeric_limits<float>::max();
test.fOp2 = std::numeric_limits<float>::max();
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(bit_cast<uint64_t>(test.dF), dFalse);
CHECK_EQ(bit_cast<uint64_t>(test.dUn), dFalse);
CHECK_EQ(bit_cast<uint64_t>(test.dEq), dTrue);
CHECK_EQ(bit_cast<uint64_t>(test.dUeq), dTrue);
CHECK_EQ(bit_cast<uint64_t>(test.dOlt), dFalse);
CHECK_EQ(bit_cast<uint64_t>(test.dUlt), dFalse);
CHECK_EQ(bit_cast<uint64_t>(test.dOle), dTrue);
CHECK_EQ(bit_cast<uint64_t>(test.dUle), dTrue);
CHECK_EQ(bit_cast<uint64_t>(test.dOr), dTrue);
CHECK_EQ(bit_cast<uint64_t>(test.dUne), dFalse);
CHECK_EQ(bit_cast<uint64_t>(test.dNe), dFalse);
CHECK_EQ(bit_cast<uint32_t>(test.fF), fFalse);
CHECK_EQ(bit_cast<uint32_t>(test.fUn), fFalse);
CHECK_EQ(bit_cast<uint32_t>(test.fEq), fTrue);
CHECK_EQ(bit_cast<uint32_t>(test.fUeq), fTrue);
CHECK_EQ(bit_cast<uint32_t>(test.fOlt), fFalse);
CHECK_EQ(bit_cast<uint32_t>(test.fUlt), fFalse);
CHECK_EQ(bit_cast<uint32_t>(test.fOle), fTrue);
CHECK_EQ(bit_cast<uint32_t>(test.fUle), fTrue);
test.dOp1 = std::numeric_limits<double>::quiet_NaN();
test.dOp2 = 0.0;
test.fOp1 = std::numeric_limits<float>::quiet_NaN();
test.fOp2 = 0.0;
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(bit_cast<uint64_t>(test.dF), dFalse);
CHECK_EQ(bit_cast<uint64_t>(test.dUn), dTrue);
CHECK_EQ(bit_cast<uint64_t>(test.dEq), dFalse);
CHECK_EQ(bit_cast<uint64_t>(test.dUeq), dTrue);
CHECK_EQ(bit_cast<uint64_t>(test.dOlt), dFalse);
CHECK_EQ(bit_cast<uint64_t>(test.dUlt), dTrue);
CHECK_EQ(bit_cast<uint64_t>(test.dOle), dFalse);
CHECK_EQ(bit_cast<uint64_t>(test.dUle), dTrue);
CHECK_EQ(bit_cast<uint64_t>(test.dOr), dFalse);
CHECK_EQ(bit_cast<uint64_t>(test.dUne), dTrue);
CHECK_EQ(bit_cast<uint64_t>(test.dNe), dFalse);
CHECK_EQ(bit_cast<uint32_t>(test.fF), fFalse);
CHECK_EQ(bit_cast<uint32_t>(test.fUn), fTrue);
CHECK_EQ(bit_cast<uint32_t>(test.fEq), fFalse);
CHECK_EQ(bit_cast<uint32_t>(test.fUeq), fTrue);
CHECK_EQ(bit_cast<uint32_t>(test.fOlt), fFalse);
CHECK_EQ(bit_cast<uint32_t>(test.fUlt), fTrue);
CHECK_EQ(bit_cast<uint32_t>(test.fOle), fFalse);
CHECK_EQ(bit_cast<uint32_t>(test.fUle), fTrue);
}
}
TEST(CVT) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
typedef struct test_float {
float cvt_d_s_in;
double cvt_d_s_out;
int32_t cvt_d_w_in;
double cvt_d_w_out;
int64_t cvt_d_l_in;
double cvt_d_l_out;
float cvt_l_s_in;
int64_t cvt_l_s_out;
double cvt_l_d_in;
int64_t cvt_l_d_out;
double cvt_s_d_in;
float cvt_s_d_out;
int32_t cvt_s_w_in;
float cvt_s_w_out;
int64_t cvt_s_l_in;
float cvt_s_l_out;
float cvt_w_s_in;
int32_t cvt_w_s_out;
double cvt_w_d_in;
int32_t cvt_w_d_out;
} TestFloat;
TestFloat test;
// Save FCSR.
__ cfc1(a1, FCSR);
// Disable FPU exceptions.
__ ctc1(zero_reg, FCSR);
#define GENERATE_CVT_TEST(x, y, z) \
__ y##c1(f0, MemOperand(a0, offsetof(TestFloat, x##_in))); \
__ x(f0, f0); \
__ nop(); \
__ z##c1(f0, MemOperand(a0, offsetof(TestFloat, x##_out)));
GENERATE_CVT_TEST(cvt_d_s, lw, sd)
GENERATE_CVT_TEST(cvt_d_w, lw, sd)
GENERATE_CVT_TEST(cvt_d_l, ld, sd)
GENERATE_CVT_TEST(cvt_l_s, lw, sd)
GENERATE_CVT_TEST(cvt_l_d, ld, sd)
GENERATE_CVT_TEST(cvt_s_d, ld, sw)
GENERATE_CVT_TEST(cvt_s_w, lw, sw)
GENERATE_CVT_TEST(cvt_s_l, ld, sw)
GENERATE_CVT_TEST(cvt_w_s, lw, sw)
GENERATE_CVT_TEST(cvt_w_d, ld, sw)
// Restore FCSR.
__ ctc1(a1, FCSR);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
test.cvt_d_s_in = -0.51;
test.cvt_d_w_in = -1;
test.cvt_d_l_in = -1;
test.cvt_l_s_in = -0.51;
test.cvt_l_d_in = -0.51;
test.cvt_s_d_in = -0.51;
test.cvt_s_w_in = -1;
test.cvt_s_l_in = -1;
test.cvt_w_s_in = -0.51;
test.cvt_w_d_in = -0.51;
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.cvt_d_s_out, static_cast<double>(test.cvt_d_s_in));
CHECK_EQ(test.cvt_d_w_out, static_cast<double>(test.cvt_d_w_in));
CHECK_EQ(test.cvt_d_l_out, static_cast<double>(test.cvt_d_l_in));
CHECK_EQ(test.cvt_l_s_out, -1);
CHECK_EQ(test.cvt_l_d_out, -1);
CHECK_EQ(test.cvt_s_d_out, static_cast<float>(test.cvt_s_d_in));
CHECK_EQ(test.cvt_s_w_out, static_cast<float>(test.cvt_s_w_in));
CHECK_EQ(test.cvt_s_l_out, static_cast<float>(test.cvt_s_l_in));
CHECK_EQ(test.cvt_w_s_out, -1);
CHECK_EQ(test.cvt_w_d_out, -1);
test.cvt_d_s_in = 0.49;
test.cvt_d_w_in = 1;
test.cvt_d_l_in = 1;
test.cvt_l_s_in = 0.49;
test.cvt_l_d_in = 0.49;
test.cvt_s_d_in = 0.49;
test.cvt_s_w_in = 1;
test.cvt_s_l_in = 1;
test.cvt_w_s_in = 0.49;
test.cvt_w_d_in = 0.49;
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.cvt_d_s_out, static_cast<double>(test.cvt_d_s_in));
CHECK_EQ(test.cvt_d_w_out, static_cast<double>(test.cvt_d_w_in));
CHECK_EQ(test.cvt_d_l_out, static_cast<double>(test.cvt_d_l_in));
CHECK_EQ(test.cvt_l_s_out, 0);
CHECK_EQ(test.cvt_l_d_out, 0);
CHECK_EQ(test.cvt_s_d_out, static_cast<float>(test.cvt_s_d_in));
CHECK_EQ(test.cvt_s_w_out, static_cast<float>(test.cvt_s_w_in));
CHECK_EQ(test.cvt_s_l_out, static_cast<float>(test.cvt_s_l_in));
CHECK_EQ(test.cvt_w_s_out, 0);
CHECK_EQ(test.cvt_w_d_out, 0);
test.cvt_d_s_in = std::numeric_limits<float>::max();
test.cvt_d_w_in = std::numeric_limits<int32_t>::max();
test.cvt_d_l_in = std::numeric_limits<int64_t>::max();
test.cvt_l_s_in = std::numeric_limits<float>::max();
test.cvt_l_d_in = std::numeric_limits<double>::max();
test.cvt_s_d_in = std::numeric_limits<double>::max();
test.cvt_s_w_in = std::numeric_limits<int32_t>::max();
test.cvt_s_l_in = std::numeric_limits<int64_t>::max();
test.cvt_w_s_in = std::numeric_limits<float>::max();
test.cvt_w_d_in = std::numeric_limits<double>::max();
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.cvt_d_s_out, static_cast<double>(test.cvt_d_s_in));
CHECK_EQ(test.cvt_d_w_out, static_cast<double>(test.cvt_d_w_in));
CHECK_EQ(test.cvt_d_l_out, static_cast<double>(test.cvt_d_l_in));
CHECK_EQ(test.cvt_l_s_out, std::numeric_limits<int64_t>::max());
CHECK_EQ(test.cvt_l_d_out, std::numeric_limits<int64_t>::max());
CHECK_EQ(test.cvt_s_d_out, static_cast<float>(test.cvt_s_d_in));
CHECK_EQ(test.cvt_s_w_out, static_cast<float>(test.cvt_s_w_in));
CHECK_EQ(test.cvt_s_l_out, static_cast<float>(test.cvt_s_l_in));
CHECK_EQ(test.cvt_w_s_out, std::numeric_limits<int32_t>::max());
CHECK_EQ(test.cvt_w_d_out, std::numeric_limits<int32_t>::max());
test.cvt_d_s_in = -std::numeric_limits<float>::max(); // lowest()
test.cvt_d_w_in = std::numeric_limits<int32_t>::min(); // lowest()
test.cvt_d_l_in = std::numeric_limits<int64_t>::min(); // lowest()
test.cvt_l_s_in = -std::numeric_limits<float>::max(); // lowest()
test.cvt_l_d_in = -std::numeric_limits<double>::max(); // lowest()
test.cvt_s_d_in = -std::numeric_limits<double>::max(); // lowest()
test.cvt_s_w_in = std::numeric_limits<int32_t>::min(); // lowest()
test.cvt_s_l_in = std::numeric_limits<int64_t>::min(); // lowest()
test.cvt_w_s_in = -std::numeric_limits<float>::max(); // lowest()
test.cvt_w_d_in = -std::numeric_limits<double>::max(); // lowest()
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.cvt_d_s_out, static_cast<double>(test.cvt_d_s_in));
CHECK_EQ(test.cvt_d_w_out, static_cast<double>(test.cvt_d_w_in));
CHECK_EQ(test.cvt_d_l_out, static_cast<double>(test.cvt_d_l_in));
// The returned value when converting from fixed-point to float-point
// is not consistent between board, simulator and specification
// in this test case, therefore modifying the test
CHECK(test.cvt_l_s_out == std::numeric_limits<int64_t>::min() ||
test.cvt_l_s_out == std::numeric_limits<int64_t>::max());
CHECK(test.cvt_l_d_out == std::numeric_limits<int64_t>::min() ||
test.cvt_l_d_out == std::numeric_limits<int64_t>::max());
CHECK_EQ(test.cvt_s_d_out, static_cast<float>(test.cvt_s_d_in));
CHECK_EQ(test.cvt_s_w_out, static_cast<float>(test.cvt_s_w_in));
CHECK_EQ(test.cvt_s_l_out, static_cast<float>(test.cvt_s_l_in));
CHECK(test.cvt_w_s_out == std::numeric_limits<int32_t>::min() ||
test.cvt_w_s_out == std::numeric_limits<int32_t>::max());
CHECK(test.cvt_w_d_out == std::numeric_limits<int32_t>::min() ||
test.cvt_w_d_out == std::numeric_limits<int32_t>::max());
test.cvt_d_s_in = std::numeric_limits<float>::min();
test.cvt_d_w_in = std::numeric_limits<int32_t>::min();
test.cvt_d_l_in = std::numeric_limits<int64_t>::min();
test.cvt_l_s_in = std::numeric_limits<float>::min();
test.cvt_l_d_in = std::numeric_limits<double>::min();
test.cvt_s_d_in = std::numeric_limits<double>::min();
test.cvt_s_w_in = std::numeric_limits<int32_t>::min();
test.cvt_s_l_in = std::numeric_limits<int64_t>::min();
test.cvt_w_s_in = std::numeric_limits<float>::min();
test.cvt_w_d_in = std::numeric_limits<double>::min();
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.cvt_d_s_out, static_cast<double>(test.cvt_d_s_in));
CHECK_EQ(test.cvt_d_w_out, static_cast<double>(test.cvt_d_w_in));
CHECK_EQ(test.cvt_d_l_out, static_cast<double>(test.cvt_d_l_in));
CHECK_EQ(test.cvt_l_s_out, 0);
CHECK_EQ(test.cvt_l_d_out, 0);
CHECK_EQ(test.cvt_s_d_out, static_cast<float>(test.cvt_s_d_in));
CHECK_EQ(test.cvt_s_w_out, static_cast<float>(test.cvt_s_w_in));
CHECK_EQ(test.cvt_s_l_out, static_cast<float>(test.cvt_s_l_in));
CHECK_EQ(test.cvt_w_s_out, 0);
CHECK_EQ(test.cvt_w_d_out, 0);
}
TEST(DIV_FMT) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
typedef struct test {
double dOp1;
double dOp2;
double dRes;
float fOp1;
float fOp2;
float fRes;
} Test;
Test test;
// Save FCSR.
__ cfc1(a1, FCSR);
// Disable FPU exceptions.
__ ctc1(zero_reg, FCSR);
__ ldc1(f4, MemOperand(a0, offsetof(Test, dOp1)) );
__ ldc1(f2, MemOperand(a0, offsetof(Test, dOp2)) );
__ nop();
__ div_d(f6, f4, f2);
__ sdc1(f6, MemOperand(a0, offsetof(Test, dRes)) );
__ lwc1(f4, MemOperand(a0, offsetof(Test, fOp1)) );
__ lwc1(f2, MemOperand(a0, offsetof(Test, fOp2)) );
__ nop();
__ div_s(f6, f4, f2);
__ swc1(f6, MemOperand(a0, offsetof(Test, fRes)) );
// Restore FCSR.
__ ctc1(a1, FCSR);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
const int test_size = 3;
double dOp1[test_size] = {
5.0,
DBL_MAX,
DBL_MAX,
};
double dOp2[test_size] = {
2.0,
2.0,
-DBL_MAX,
};
double dRes[test_size] = {
2.5,
DBL_MAX / 2.0,
-1.0,
};
float fOp1[test_size] = {
5.0,
FLT_MAX,
FLT_MAX,
};
float fOp2[test_size] = {
2.0,
2.0,
-FLT_MAX,
};
float fRes[test_size] = {
2.5,
FLT_MAX / 2.0,
-1.0,
};
for (int i = 0; i < test_size; i++) {
test.dOp1 = dOp1[i];
test.dOp2 = dOp2[i];
test.fOp1 = fOp1[i];
test.fOp2 = fOp2[i];
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(test.dRes, dRes[i]);
CHECK_EQ(test.fRes, fRes[i]);
}
test.dOp1 = DBL_MAX;
test.dOp2 = -0.0;
test.fOp1 = FLT_MAX;
test.fOp2 = -0.0;
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(false, std::isfinite(test.dRes));
CHECK_EQ(false, std::isfinite(test.fRes));
test.dOp1 = 0.0;
test.dOp2 = -0.0;
test.fOp1 = 0.0;
test.fOp2 = -0.0;
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(true, std::isnan(test.dRes));
CHECK_EQ(true, std::isnan(test.fRes));
test.dOp1 = std::numeric_limits<double>::quiet_NaN();
test.dOp2 = -5.0;
test.fOp1 = std::numeric_limits<float>::quiet_NaN();
test.fOp2 = -5.0;
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
CHECK_EQ(true, std::isnan(test.dRes));
CHECK_EQ(true, std::isnan(test.fRes));
}
uint64_t run_align(uint64_t rs_value, uint64_t rt_value, uint8_t bp) {
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
__ align(v0, a0, a1, bp);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F4 f = FUNCTION_CAST<F4>(code->entry());
uint64_t res = reinterpret_cast<uint64_t>(
CALL_GENERATED_CODE(isolate, f, rs_value, rt_value, 0, 0, 0));
return res;
}
TEST(r6_align) {
if (kArchVariant == kMips64r6) {
CcTest::InitializeVM();
struct TestCaseAlign {
uint64_t rs_value;
uint64_t rt_value;
uint8_t bp;
uint64_t expected_res;
};
struct TestCaseAlign tc[] = {
// rs_value, rt_value, bp, expected_res
{ 0x11223344, 0xaabbccdd, 0, 0xffffffffaabbccdd },
{ 0x11223344, 0xaabbccdd, 1, 0xffffffffbbccdd11 },
{ 0x11223344, 0xaabbccdd, 2, 0xffffffffccdd1122 },
{ 0x11223344, 0xaabbccdd, 3, 0xffffffffdd112233 },
};
size_t nr_test_cases = sizeof(tc) / sizeof(TestCaseAlign);
for (size_t i = 0; i < nr_test_cases; ++i) {
CHECK_EQ(tc[i].expected_res, run_align(tc[i].rs_value,
tc[i].rt_value,
tc[i].bp));
}
}
}
uint64_t run_dalign(uint64_t rs_value, uint64_t rt_value, uint8_t bp) {
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
__ dalign(v0, a0, a1, bp);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F4 f = FUNCTION_CAST<F4>(code->entry());
uint64_t res = reinterpret_cast<uint64_t>(
CALL_GENERATED_CODE(isolate, f, rs_value, rt_value, 0, 0, 0));
return res;
}
TEST(r6_dalign) {
if (kArchVariant == kMips64r6) {
CcTest::InitializeVM();
struct TestCaseDalign {
uint64_t rs_value;
uint64_t rt_value;
uint8_t bp;
uint64_t expected_res;
};
struct TestCaseDalign tc[] = {
// rs_value, rt_value, bp, expected_res
{ 0x1122334455667700, 0xaabbccddeeff8899, 0, 0xaabbccddeeff8899 },
{ 0x1122334455667700, 0xaabbccddeeff8899, 1, 0xbbccddeeff889911 },
{ 0x1122334455667700, 0xaabbccddeeff8899, 2, 0xccddeeff88991122 },
{ 0x1122334455667700, 0xaabbccddeeff8899, 3, 0xddeeff8899112233 },
{ 0x1122334455667700, 0xaabbccddeeff8899, 4, 0xeeff889911223344 },
{ 0x1122334455667700, 0xaabbccddeeff8899, 5, 0xff88991122334455 },
{ 0x1122334455667700, 0xaabbccddeeff8899, 6, 0x8899112233445566 },
{ 0x1122334455667700, 0xaabbccddeeff8899, 7, 0x9911223344556677 }
};
size_t nr_test_cases = sizeof(tc) / sizeof(TestCaseDalign);
for (size_t i = 0; i < nr_test_cases; ++i) {
CHECK_EQ(tc[i].expected_res, run_dalign(tc[i].rs_value,
tc[i].rt_value,
tc[i].bp));
}
}
}
uint64_t PC; // The program counter.
uint64_t run_aluipc(int16_t offset) {
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
__ aluipc(v0, offset);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F2 f = FUNCTION_CAST<F2>(code->entry());
PC = (uint64_t) f; // Set the program counter.
uint64_t res = reinterpret_cast<uint64_t>(
CALL_GENERATED_CODE(isolate, f, 0, 0, 0, 0, 0));
return res;
}
TEST(r6_aluipc) {
if (kArchVariant == kMips64r6) {
CcTest::InitializeVM();
struct TestCaseAluipc {
int16_t offset;
};
struct TestCaseAluipc tc[] = {
// offset
{ -32768 }, // 0x8000
{ -1 }, // 0xFFFF
{ 0 },
{ 1 },
{ 32767 }, // 0x7FFF
};
size_t nr_test_cases = sizeof(tc) / sizeof(TestCaseAluipc);
for (size_t i = 0; i < nr_test_cases; ++i) {
PC = 0;
uint64_t res = run_aluipc(tc[i].offset);
// Now, the program_counter (PC) is set.
uint64_t expected_res = ~0x0FFFF & (PC + (tc[i].offset << 16));
CHECK_EQ(expected_res, res);
}
}
}
uint64_t run_auipc(int16_t offset) {
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
__ auipc(v0, offset);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F2 f = FUNCTION_CAST<F2>(code->entry());
PC = (uint64_t) f; // Set the program counter.
uint64_t res = reinterpret_cast<uint64_t>(
CALL_GENERATED_CODE(isolate, f, 0, 0, 0, 0, 0));
return res;
}
TEST(r6_auipc) {
if (kArchVariant == kMips64r6) {
CcTest::InitializeVM();
struct TestCaseAuipc {
int16_t offset;
};
struct TestCaseAuipc tc[] = {
// offset
{ -32768 }, // 0x8000
{ -1 }, // 0xFFFF
{ 0 },
{ 1 },
{ 32767 }, // 0x7FFF
};
size_t nr_test_cases = sizeof(tc) / sizeof(TestCaseAuipc);
for (size_t i = 0; i < nr_test_cases; ++i) {
PC = 0;
uint64_t res = run_auipc(tc[i].offset);
// Now, the program_counter (PC) is set.
uint64_t expected_res = PC + (tc[i].offset << 16);
CHECK_EQ(expected_res, res);
}
}
}
uint64_t run_aui(uint64_t rs, uint16_t offset) {
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
__ li(t0, rs);
__ aui(v0, t0, offset);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F2 f = FUNCTION_CAST<F2>(code->entry());
uint64_t res =
reinterpret_cast<uint64_t>
(CALL_GENERATED_CODE(isolate, f, 0, 0, 0, 0, 0));
return res;
}
uint64_t run_daui(uint64_t rs, uint16_t offset) {
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
__ li(t0, rs);
__ daui(v0, t0, offset);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F2 f = FUNCTION_CAST<F2>(code->entry());
uint64_t res =
reinterpret_cast<uint64_t>
(CALL_GENERATED_CODE(isolate, f, 0, 0, 0, 0, 0));
return res;
}
uint64_t run_dahi(uint64_t rs, uint16_t offset) {
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
__ li(v0, rs);
__ dahi(v0, offset);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F2 f = FUNCTION_CAST<F2>(code->entry());
uint64_t res =
reinterpret_cast<uint64_t>
(CALL_GENERATED_CODE(isolate, f, 0, 0, 0, 0, 0));
return res;
}
uint64_t run_dati(uint64_t rs, uint16_t offset) {
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
__ li(v0, rs);
__ dati(v0, offset);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F2 f = FUNCTION_CAST<F2>(code->entry());
uint64_t res =
reinterpret_cast<uint64_t>
(CALL_GENERATED_CODE(isolate, f, 0, 0, 0, 0, 0));
return res;
}
TEST(r6_aui_family) {
if (kArchVariant == kMips64r6) {
CcTest::InitializeVM();
struct TestCaseAui {
uint64_t rs;
uint16_t offset;
uint64_t ref_res;
};
// AUI test cases.
struct TestCaseAui aui_tc[] = {
{0xfffeffff, 0x1, 0xffffffffffffffff},
{0xffffffff, 0x0, 0xffffffffffffffff},
{0, 0xffff, 0xffffffffffff0000},
{0x0008ffff, 0xfff7, 0xffffffffffffffff},
{32767, 32767, 0x000000007fff7fff},
{0x00000000ffffffff, 0x1, 0x000000000000ffff},
{0xffffffff, 0xffff, 0xfffffffffffeffff},
};
size_t nr_test_cases = sizeof(aui_tc) / sizeof(TestCaseAui);
for (size_t i = 0; i < nr_test_cases; ++i) {
uint64_t res = run_aui(aui_tc[i].rs, aui_tc[i].offset);
CHECK_EQ(aui_tc[i].ref_res, res);
}
// DAUI test cases.
struct TestCaseAui daui_tc[] = {
{0xfffffffffffeffff, 0x1, 0xffffffffffffffff},
{0xffffffffffffffff, 0x0, 0xffffffffffffffff},
{0, 0xffff, 0xffffffffffff0000},
{0x0008ffff, 0xfff7, 0xffffffffffffffff},
{32767, 32767, 0x000000007fff7fff},
{0x00000000ffffffff, 0x1, 0x000000010000ffff},
{0xffffffff, 0xffff, 0x00000000fffeffff},
};
nr_test_cases = sizeof(daui_tc) / sizeof(TestCaseAui);
for (size_t i = 0; i < nr_test_cases; ++i) {
uint64_t res = run_daui(daui_tc[i].rs, daui_tc[i].offset);
CHECK_EQ(daui_tc[i].ref_res, res);
}
// DATI test cases.
struct TestCaseAui dati_tc[] = {
{0xfffffffffffeffff, 0x1, 0x0000fffffffeffff},
{0xffffffffffffffff, 0x0, 0xffffffffffffffff},
{0, 0xffff, 0xffff000000000000},
{0x0008ffff, 0xfff7, 0xfff700000008ffff},
{32767, 32767, 0x7fff000000007fff},
{0x00000000ffffffff, 0x1, 0x00010000ffffffff},
{0xffffffffffff, 0xffff, 0xffffffffffffffff},
};
nr_test_cases = sizeof(dati_tc) / sizeof(TestCaseAui);
for (size_t i = 0; i < nr_test_cases; ++i) {
uint64_t res = run_dati(dati_tc[i].rs, dati_tc[i].offset);
CHECK_EQ(dati_tc[i].ref_res, res);
}
// DAHI test cases.
struct TestCaseAui dahi_tc[] = {
{0xfffffffeffffffff, 0x1, 0xffffffffffffffff},
{0xffffffffffffffff, 0x0, 0xffffffffffffffff},
{0, 0xffff, 0xffffffff00000000},
};
nr_test_cases = sizeof(dahi_tc) / sizeof(TestCaseAui);
for (size_t i = 0; i < nr_test_cases; ++i) {
uint64_t res = run_dahi(dahi_tc[i].rs, dahi_tc[i].offset);
CHECK_EQ(dahi_tc[i].ref_res, res);
}
}
}
uint64_t run_li_macro(uint64_t rs, LiFlags mode) {
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
__ li(a0, rs, mode);
__ mov(v0, a0);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F2 f = FUNCTION_CAST<F2>(code->entry());
uint64_t res = reinterpret_cast<uint64_t>(
CALL_GENERATED_CODE(isolate, f, 0, 0, 0, 0, 0));
return res;
}
TEST(li_macro) {
CcTest::InitializeVM();
uint64_t inputs[] = {
0x0000000000000000, 0x000000000000ffff, 0x00000000ffffffff,
0x0000ffffffffffff, 0xffffffffffffffff, 0xffff000000000000,
0xffffffff00000000, 0xffffffffffff0000, 0xffff0000ffff0000,
0x0000ffffffff0000, 0x0000ffff0000ffff, 0x00007fffffffffff,
0x7fffffffffffffff, 0x000000007fffffff, 0x00007fff7fffffff,
};
size_t nr_test_cases = sizeof(inputs) / sizeof(inputs[0]);
for (size_t i = 0; i < nr_test_cases; ++i) {
uint64_t res = run_li_macro(inputs[i], OPTIMIZE_SIZE);
CHECK_EQ(inputs[i], res);
res = run_li_macro(inputs[i], CONSTANT_SIZE);
CHECK_EQ(inputs[i], res);
if (is_int48(inputs[i])) {
res = run_li_macro(inputs[i], ADDRESS_LOAD);
CHECK_EQ(inputs[i], res);
}
}
}
uint64_t run_lwpc(int offset) {
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
// 256k instructions; 2^8k
// addiu t3, a4, 0xffff; (0x250fffff)
// ...
// addiu t0, a4, 0x0000; (0x250c0000)
uint32_t addiu_start_1 = 0x25000000;
for (int32_t i = 0xfffff; i >= 0xc0000; --i) {
uint32_t addiu_new = addiu_start_1 + i;
__ dd(addiu_new);
}
__ lwpc(t8, offset); // offset 0; 0xef080000 (t8 register)
__ mov(v0, t8);
// 256k instructions; 2^8k
// addiu a4, a4, 0x0000; (0x25080000)
// ...
// addiu a7, a4, 0xffff; (0x250bffff)
uint32_t addiu_start_2 = 0x25000000;
for (int32_t i = 0x80000; i <= 0xbffff; ++i) {
uint32_t addiu_new = addiu_start_2 + i;
__ dd(addiu_new);
}
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F2 f = FUNCTION_CAST<F2>(code->entry());
uint64_t res = reinterpret_cast<uint64_t>(
CALL_GENERATED_CODE(isolate, f, 0, 0, 0, 0, 0));
return res;
}
TEST(r6_lwpc) {
if (kArchVariant == kMips64r6) {
CcTest::InitializeVM();
struct TestCaseLwpc {
int offset;
uint64_t expected_res;
};
struct TestCaseLwpc tc[] = {
// offset, expected_res
{ -262144, 0x250fffff }, // offset 0x40000
{ -4, 0x250c0003 },
{ -1, 0x250c0000 },
{ 0, 0xffffffffef080000 },
{ 1, 0x03001025 }, // mov(v0, t8)
{ 2, 0x25080000 },
{ 4, 0x25080002 },
{ 262143, 0x250bfffd }, // offset 0x3ffff
};
size_t nr_test_cases = sizeof(tc) / sizeof(TestCaseLwpc);
for (size_t i = 0; i < nr_test_cases; ++i) {
uint64_t res = run_lwpc(tc[i].offset);
CHECK_EQ(tc[i].expected_res, res);
}
}
}
uint64_t run_lwupc(int offset) {
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
// 256k instructions; 2^8k
// addiu t3, a4, 0xffff; (0x250fffff)
// ...
// addiu t0, a4, 0x0000; (0x250c0000)
uint32_t addiu_start_1 = 0x25000000;
for (int32_t i = 0xfffff; i >= 0xc0000; --i) {
uint32_t addiu_new = addiu_start_1 + i;
__ dd(addiu_new);
}
__ lwupc(t8, offset); // offset 0; 0xef080000 (t8 register)
__ mov(v0, t8);
// 256k instructions; 2^8k
// addiu a4, a4, 0x0000; (0x25080000)
// ...
// addiu a7, a4, 0xffff; (0x250bffff)
uint32_t addiu_start_2 = 0x25000000;
for (int32_t i = 0x80000; i <= 0xbffff; ++i) {
uint32_t addiu_new = addiu_start_2 + i;
__ dd(addiu_new);
}
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F2 f = FUNCTION_CAST<F2>(code->entry());
uint64_t res = reinterpret_cast<uint64_t>(
CALL_GENERATED_CODE(isolate, f, 0, 0, 0, 0, 0));
return res;
}
TEST(r6_lwupc) {
if (kArchVariant == kMips64r6) {
CcTest::InitializeVM();
struct TestCaseLwupc {
int offset;
uint64_t expected_res;
};
struct TestCaseLwupc tc[] = {
// offset, expected_res
{ -262144, 0x250fffff }, // offset 0x40000
{ -4, 0x250c0003 },
{ -1, 0x250c0000 },
{ 0, 0xef100000 },
{ 1, 0x03001025 }, // mov(v0, t8)
{ 2, 0x25080000 },
{ 4, 0x25080002 },
{ 262143, 0x250bfffd }, // offset 0x3ffff
};
size_t nr_test_cases = sizeof(tc) / sizeof(TestCaseLwupc);
for (size_t i = 0; i < nr_test_cases; ++i) {
uint64_t res = run_lwupc(tc[i].offset);
CHECK_EQ(tc[i].expected_res, res);
}
}
}
uint64_t run_jic(int16_t offset) {
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
Label get_program_counter, stop_execution;
__ push(ra);
__ li(v0, 0);
__ li(t1, 0x66);
__ addiu(v0, v0, 0x1); // <-- offset = -32
__ addiu(v0, v0, 0x2);
__ addiu(v0, v0, 0x10);
__ addiu(v0, v0, 0x20);
__ beq(v0, t1, &stop_execution);
__ nop();
__ bal(&get_program_counter); // t0 <- program counter
__ nop();
__ jic(t0, offset);
__ addiu(v0, v0, 0x100);
__ addiu(v0, v0, 0x200);
__ addiu(v0, v0, 0x1000);
__ addiu(v0, v0, 0x2000); // <--- offset = 16
__ pop(ra);
__ jr(ra);
__ nop();
__ bind(&get_program_counter);
__ mov(t0, ra);
__ jr(ra);
__ nop();
__ bind(&stop_execution);
__ pop(ra);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F2 f = FUNCTION_CAST<F2>(code->entry());
uint64_t res = reinterpret_cast<uint64_t>(
CALL_GENERATED_CODE(isolate, f, 0, 0, 0, 0, 0));
return res;
}
TEST(r6_jic) {
if (kArchVariant == kMips64r6) {
CcTest::InitializeVM();
struct TestCaseJic {
// As rt will be used t0 register which will have value of
// the program counter for the jic instruction.
int16_t offset;
uint32_t expected_res;
};
struct TestCaseJic tc[] = {
// offset, expected_result
{ 16, 0x2033 },
{ 4, 0x3333 },
{ -32, 0x66 },
};
size_t nr_test_cases = sizeof(tc) / sizeof(TestCaseJic);
for (size_t i = 0; i < nr_test_cases; ++i) {
uint64_t res = run_jic(tc[i].offset);
CHECK_EQ(tc[i].expected_res, res);
}
}
}
uint64_t run_beqzc(int32_t value, int32_t offset) {
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
Label stop_execution;
__ li(v0, 0);
__ li(t1, 0x66);
__ addiu(v0, v0, 0x1); // <-- offset = -8
__ addiu(v0, v0, 0x2);
__ addiu(v0, v0, 0x10);
__ addiu(v0, v0, 0x20);
__ beq(v0, t1, &stop_execution);
__ nop();
__ beqzc(a0, offset);
__ addiu(v0, v0, 0x1);
__ addiu(v0, v0, 0x100);
__ addiu(v0, v0, 0x200);
__ addiu(v0, v0, 0x1000);
__ addiu(v0, v0, 0x2000); // <--- offset = 4
__ jr(ra);
__ nop();
__ bind(&stop_execution);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F2 f = FUNCTION_CAST<F2>(code->entry());
uint64_t res = reinterpret_cast<uint64_t>(
CALL_GENERATED_CODE(isolate, f, value, 0, 0, 0, 0));
return res;
}
TEST(r6_beqzc) {
if (kArchVariant == kMips64r6) {
CcTest::InitializeVM();
struct TestCaseBeqzc {
uint32_t value;
int32_t offset;
uint32_t expected_res;
};
struct TestCaseBeqzc tc[] = {
// value, offset, expected_res
{ 0x0, -8, 0x66 },
{ 0x0, 0, 0x3334 },
{ 0x0, 1, 0x3333 },
{ 0xabc, 1, 0x3334 },
{ 0x0, 4, 0x2033 },
};
size_t nr_test_cases = sizeof(tc) / sizeof(TestCaseBeqzc);
for (size_t i = 0; i < nr_test_cases; ++i) {
uint64_t res = run_beqzc(tc[i].value, tc[i].offset);
CHECK_EQ(tc[i].expected_res, res);
}
}
}
uint64_t run_jialc(int16_t offset) {
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
Label main_block, get_program_counter;
__ push(ra);
__ li(v0, 0);
__ beq(v0, v0, &main_block);
__ nop();
// Block 1
__ addiu(v0, v0, 0x1); // <-- offset = -40
__ addiu(v0, v0, 0x2);
__ jr(ra);
__ nop();
// Block 2
__ addiu(v0, v0, 0x10); // <-- offset = -24
__ addiu(v0, v0, 0x20);
__ jr(ra);
__ nop();
// Block 3 (Main)
__ bind(&main_block);
__ bal(&get_program_counter); // t0 <- program counter
__ nop();
__ jialc(t0, offset);
__ addiu(v0, v0, 0x4);
__ pop(ra);
__ jr(ra);
__ nop();
// Block 4
__ addiu(v0, v0, 0x100); // <-- offset = 20
__ addiu(v0, v0, 0x200);
__ jr(ra);
__ nop();
// Block 5
__ addiu(v0, v0, 0x1000); // <--- offset = 36
__ addiu(v0, v0, 0x2000);
__ jr(ra);
__ nop();
__ bind(&get_program_counter);
__ mov(t0, ra);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F2 f = FUNCTION_CAST<F2>(code->entry());
uint64_t res = reinterpret_cast<uint64_t>(
CALL_GENERATED_CODE(isolate, f, 0, 0, 0, 0, 0));
return res;
}
TEST(r6_jialc) {
if (kArchVariant == kMips64r6) {
CcTest::InitializeVM();
struct TestCaseJialc {
// As rt will be used t0 register which will have value of
// the program counter for the jialc instruction.
int16_t offset;
uint32_t expected_res;
};
struct TestCaseJialc tc[] = {
// offset, expected_res
{ -40, 0x7 },
{ -24, 0x34 },
{ 20, 0x304 },
{ 36, 0x3004 }
};
size_t nr_test_cases = sizeof(tc) / sizeof(TestCaseJialc);
for (size_t i = 0; i < nr_test_cases; ++i) {
uint64_t res = run_jialc(tc[i].offset);
CHECK_EQ(tc[i].expected_res, res);
}
}
}
uint64_t run_addiupc(int32_t imm19) {
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
__ addiupc(v0, imm19);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F2 f = FUNCTION_CAST<F2>(code->entry());
PC = (uint64_t) f; // Set the program counter.
uint64_t res = reinterpret_cast<uint64_t>(
CALL_GENERATED_CODE(isolate, f, 0, 0, 0, 0, 0));
return res;
}
TEST(r6_addiupc) {
if (kArchVariant == kMips64r6) {
CcTest::InitializeVM();
struct TestCaseAddiupc {
int32_t imm19;
};
struct TestCaseAddiupc tc[] = {
// imm19
{ -262144 }, // 0x40000
{ -1 }, // 0x7FFFF
{ 0 },
{ 1 }, // 0x00001
{ 262143 } // 0x3FFFF
};
size_t nr_test_cases = sizeof(tc) / sizeof(TestCaseAddiupc);
for (size_t i = 0; i < nr_test_cases; ++i) {
PC = 0;
uint64_t res = run_addiupc(tc[i].imm19);
// Now, the program_counter (PC) is set.
uint64_t expected_res = PC + (tc[i].imm19 << 2);
CHECK_EQ(expected_res, res);
}
}
}
uint64_t run_ldpc(int offset) {
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
// 256k instructions; 2 * 2^7k = 2^8k
// addiu t3, a4, 0xffff; (0x250fffff)
// ...
// addiu t0, a4, 0x0000; (0x250c0000)
uint32_t addiu_start_1 = 0x25000000;
for (int32_t i = 0xfffff; i >= 0xc0000; --i) {
uint32_t addiu_new = addiu_start_1 + i;
__ dd(addiu_new);
}
__ ldpc(t8, offset); // offset 0; 0xef080000 (t8 register)
__ mov(v0, t8);
// 256k instructions; 2 * 2^7k = 2^8k
// addiu a4, a4, 0x0000; (0x25080000)
// ...
// addiu a7, a4, 0xffff; (0x250bffff)
uint32_t addiu_start_2 = 0x25000000;
for (int32_t i = 0x80000; i <= 0xbffff; ++i) {
uint32_t addiu_new = addiu_start_2 + i;
__ dd(addiu_new);
}
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F2 f = FUNCTION_CAST<F2>(code->entry());
uint64_t res = reinterpret_cast<uint64_t>(
CALL_GENERATED_CODE(isolate, f, 0, 0, 0, 0, 0));
return res;
}
TEST(r6_ldpc) {
if (kArchVariant == kMips64r6) {
CcTest::InitializeVM();
struct TestCaseLdpc {
int offset;
uint64_t expected_res;
};
auto doubleword = [](uint32_t word2, uint32_t word1) {
if (kArchEndian == kLittle)
return (static_cast<uint64_t>(word2) << 32) + word1;
else
return (static_cast<uint64_t>(word1) << 32) + word2;
};
TestCaseLdpc tc[] = {
// offset, expected_res
{-131072, doubleword(0x250ffffe, 0x250fffff)},
{-4, doubleword(0x250c0006, 0x250c0007)},
{-1, doubleword(0x250c0000, 0x250c0001)},
{0, doubleword(0x03001025, 0xef180000)},
{1, doubleword(0x25080001, 0x25080000)},
{4, doubleword(0x25080007, 0x25080006)},
{131071, doubleword(0x250bfffd, 0x250bfffc)},
};
size_t nr_test_cases = sizeof(tc) / sizeof(TestCaseLdpc);
for (size_t i = 0; i < nr_test_cases; ++i) {
uint64_t res = run_ldpc(tc[i].offset);
CHECK_EQ(tc[i].expected_res, res);
}
}
}
int64_t run_bc(int32_t offset) {
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
Label continue_1, stop_execution;
__ push(ra);
__ li(v0, 0);
__ li(t8, 0);
__ li(t9, 2); // Condition for the stopping execution.
for (int32_t i = -100; i <= -11; ++i) {
__ addiu(v0, v0, 1);
}
__ addiu(t8, t8, 1); // -10
__ beq(t8, t9, &stop_execution); // -9
__ nop(); // -8
__ beq(t8, t8, &continue_1); // -7
__ nop(); // -6
__ bind(&stop_execution);
__ pop(ra); // -5, -4
__ jr(ra); // -3
__ nop(); // -2
__ bind(&continue_1);
__ bc(offset); // -1
for (int32_t i = 0; i <= 99; ++i) {
__ addiu(v0, v0, 1);
}
__ pop(ra);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F2 f = FUNCTION_CAST<F2>(code->entry());
int64_t res = reinterpret_cast<int64_t>(
CALL_GENERATED_CODE(isolate, f, 0, 0, 0, 0, 0));
return res;
}
TEST(r6_bc) {
if (kArchVariant == kMips64r6) {
CcTest::InitializeVM();
struct TestCaseBc {
int32_t offset;
int64_t expected_res;
};
struct TestCaseBc tc[] = {
// offset, expected_result
{ -100, (abs(-100) - 10) * 2 },
{ -11, (abs(-100) - 10 + 1) },
{ 0, (abs(-100) - 10 + 1 + 99) },
{ 1, (abs(-100) - 10 + 99) },
{ 99, (abs(-100) - 10 + 1) },
};
size_t nr_test_cases = sizeof(tc) / sizeof(TestCaseBc);
for (size_t i = 0; i < nr_test_cases; ++i) {
int64_t res = run_bc(tc[i].offset);
CHECK_EQ(tc[i].expected_res, res);
}
}
}
int64_t run_balc(int32_t offset) {
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
Label continue_1, stop_execution;
__ push(ra);
__ li(v0, 0);
__ li(t8, 0);
__ li(t9, 2); // Condition for stopping execution.
__ beq(t8, t8, &continue_1);
__ nop();
uint32_t instruction_addiu = 0x24420001; // addiu v0, v0, 1
for (int32_t i = -117; i <= -57; ++i) {
__ dd(instruction_addiu);
}
__ jr(ra); // -56
__ nop(); // -55
for (int32_t i = -54; i <= -4; ++i) {
__ dd(instruction_addiu);
}
__ jr(ra); // -3
__ nop(); // -2
__ bind(&continue_1);
__ balc(offset); // -1
__ pop(ra); // 0, 1
__ jr(ra); // 2
__ nop(); // 3
for (int32_t i = 4; i <= 44; ++i) {
__ dd(instruction_addiu);
}
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F2 f = FUNCTION_CAST<F2>(code->entry());
int64_t res = reinterpret_cast<int64_t>(
CALL_GENERATED_CODE(isolate, f, 0, 0, 0, 0, 0));
return res;
}
TEST(r6_balc) {
if (kArchVariant == kMips64r6) {
CcTest::InitializeVM();
struct TestCaseBalc {
int32_t offset;
int64_t expected_res;
};
struct TestCaseBalc tc[] = {
// offset, expected_result
{ -117, 61 },
{ -54, 51 },
{ 0, 0 },
{ 4, 41 },
};
size_t nr_test_cases = sizeof(tc) / sizeof(TestCaseBalc);
for (size_t i = 0; i < nr_test_cases; ++i) {
int64_t res = run_balc(tc[i].offset);
CHECK_EQ(tc[i].expected_res, res);
}
}
}
uint64_t run_dsll(uint64_t rt_value, uint16_t sa_value) {
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
__ dsll(v0, a0, sa_value);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F4 f = FUNCTION_CAST<F4>(code->entry());
uint64_t res = reinterpret_cast<uint64_t>(
CALL_GENERATED_CODE(isolate, f, rt_value, 0, 0, 0, 0));
return res;
}
TEST(dsll) {
CcTest::InitializeVM();
struct TestCaseDsll {
uint64_t rt_value;
uint16_t sa_value;
uint64_t expected_res;
};
struct TestCaseDsll tc[] = {
// rt_value, sa_value, expected_res
{ 0xffffffffffffffff, 0, 0xffffffffffffffff },
{ 0xffffffffffffffff, 16, 0xffffffffffff0000 },
{ 0xffffffffffffffff, 31, 0xffffffff80000000 },
};
size_t nr_test_cases = sizeof(tc) / sizeof(TestCaseDsll);
for (size_t i = 0; i < nr_test_cases; ++i) {
CHECK_EQ(tc[i].expected_res,
run_dsll(tc[i].rt_value, tc[i].sa_value));
}
}
uint64_t run_bal(int16_t offset) {
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
__ mov(t0, ra);
__ bal(offset); // Equivalent for "BGEZAL zero_reg, offset".
__ nop();
__ mov(ra, t0);
__ jr(ra);
__ nop();
__ li(v0, 1);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F2 f = FUNCTION_CAST<F2>(code->entry());
uint64_t res = reinterpret_cast<uint64_t>(
CALL_GENERATED_CODE(isolate, f, 0, 0, 0, 0, 0));
return res;
}
TEST(bal) {
CcTest::InitializeVM();
struct TestCaseBal {
int16_t offset;
uint64_t expected_res;
};
struct TestCaseBal tc[] = {
// offset, expected_res
{ 4, 1 },
};
size_t nr_test_cases = sizeof(tc) / sizeof(TestCaseBal);
for (size_t i = 0; i < nr_test_cases; ++i) {
CHECK_EQ(tc[i].expected_res, run_bal(tc[i].offset));
}
}
TEST(Trampoline) {
// Private member of Assembler class.
static const int kMaxBranchOffset = (1 << (18 - 1)) - 1;
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, nullptr, 0,
v8::internal::CodeObjectRequired::kYes);
Label done;
size_t nr_calls = kMaxBranchOffset / (2 * Instruction::kInstrSize) + 2;
for (size_t i = 0; i < nr_calls; ++i) {
__ BranchShort(&done, eq, a0, Operand(a1));
}
__ bind(&done);
__ Ret(USE_DELAY_SLOT);
__ mov(v0, zero_reg);
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F2 f = FUNCTION_CAST<F2>(code->entry());
int64_t res = reinterpret_cast<int64_t>(
CALL_GENERATED_CODE(isolate, f, 42, 42, 0, 0, 0));
CHECK_EQ(res, 0);
}
template <class T>
struct TestCaseMaddMsub {
T fr, fs, ft, fd_add, fd_sub;
};
template <typename T, typename F>
void helper_madd_msub_maddf_msubf(F func) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
T x = std::sqrt(static_cast<T>(2.0));
T y = std::sqrt(static_cast<T>(3.0));
T z = std::sqrt(static_cast<T>(5.0));
T x2 = 11.11, y2 = 22.22, z2 = 33.33;
TestCaseMaddMsub<T> test_cases[] = {
{x, y, z, 0.0, 0.0},
{x, y, -z, 0.0, 0.0},
{x, -y, z, 0.0, 0.0},
{x, -y, -z, 0.0, 0.0},
{-x, y, z, 0.0, 0.0},
{-x, y, -z, 0.0, 0.0},
{-x, -y, z, 0.0, 0.0},
{-x, -y, -z, 0.0, 0.0},
{-3.14, 0.2345, -123.000056, 0.0, 0.0},
{7.3, -23.257, -357.1357, 0.0, 0.0},
{x2, y2, z2, 0.0, 0.0},
{x2, y2, -z2, 0.0, 0.0},
{x2, -y2, z2, 0.0, 0.0},
{x2, -y2, -z2, 0.0, 0.0},
{-x2, y2, z2, 0.0, 0.0},
{-x2, y2, -z2, 0.0, 0.0},
{-x2, -y2, z2, 0.0, 0.0},
{-x2, -y2, -z2, 0.0, 0.0},
};
if (std::is_same<T, float>::value) {
__ lwc1(f4, MemOperand(a0, offsetof(TestCaseMaddMsub<T>, fr)));
__ lwc1(f6, MemOperand(a0, offsetof(TestCaseMaddMsub<T>, fs)));
__ lwc1(f8, MemOperand(a0, offsetof(TestCaseMaddMsub<T>, ft)));
__ lwc1(f16, MemOperand(a0, offsetof(TestCaseMaddMsub<T>, fr)));
} else if (std::is_same<T, double>::value) {
__ ldc1(f4, MemOperand(a0, offsetof(TestCaseMaddMsub<T>, fr)));
__ ldc1(f6, MemOperand(a0, offsetof(TestCaseMaddMsub<T>, fs)));
__ ldc1(f8, MemOperand(a0, offsetof(TestCaseMaddMsub<T>, ft)));
__ ldc1(f16, MemOperand(a0, offsetof(TestCaseMaddMsub<T>, fr)));
} else {
UNREACHABLE();
}
func(assm);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
F3 f = FUNCTION_CAST<F3>(code->entry());
const size_t kTableLength = sizeof(test_cases) / sizeof(TestCaseMaddMsub<T>);
TestCaseMaddMsub<T> tc;
for (size_t i = 0; i < kTableLength; i++) {
tc.fr = test_cases[i].fr;
tc.fs = test_cases[i].fs;
tc.ft = test_cases[i].ft;
(CALL_GENERATED_CODE(isolate, f, &tc, 0, 0, 0, 0));
T res_sub;
T res_add;
if (kArchVariant != kMips64r6) {
res_add = tc.fr + (tc.fs * tc.ft);
res_sub = (tc.fs * tc.ft) - tc.fr;
} else {
res_add = std::fma(tc.fs, tc.ft, tc.fr);
res_sub = std::fma(-tc.fs, tc.ft, tc.fr);
}
CHECK_EQ(tc.fd_add, res_add);
CHECK_EQ(tc.fd_sub, res_sub);
}
}
TEST(madd_msub_s) {
if (kArchVariant == kMips64r6) return;
helper_madd_msub_maddf_msubf<float>([](MacroAssembler& assm) {
__ madd_s(f10, f4, f6, f8);
__ swc1(f10, MemOperand(a0, offsetof(TestCaseMaddMsub<float>, fd_add)));
__ msub_s(f16, f4, f6, f8);
__ swc1(f16, MemOperand(a0, offsetof(TestCaseMaddMsub<float>, fd_sub)));
});
}
TEST(madd_msub_d) {
if (kArchVariant == kMips64r6) return;
helper_madd_msub_maddf_msubf<double>([](MacroAssembler& assm) {
__ madd_d(f10, f4, f6, f8);
__ sdc1(f10, MemOperand(a0, offsetof(TestCaseMaddMsub<double>, fd_add)));
__ msub_d(f16, f4, f6, f8);
__ sdc1(f16, MemOperand(a0, offsetof(TestCaseMaddMsub<double>, fd_sub)));
});
}
TEST(maddf_msubf_s) {
if (kArchVariant != kMips64r6) return;
helper_madd_msub_maddf_msubf<float>([](MacroAssembler& assm) {
__ maddf_s(f4, f6, f8);
__ swc1(f4, MemOperand(a0, offsetof(TestCaseMaddMsub<float>, fd_add)));
__ msubf_s(f16, f6, f8);
__ swc1(f16, MemOperand(a0, offsetof(TestCaseMaddMsub<float>, fd_sub)));
});
}
TEST(maddf_msubf_d) {
if (kArchVariant != kMips64r6) return;
helper_madd_msub_maddf_msubf<double>([](MacroAssembler& assm) {
__ maddf_d(f4, f6, f8);
__ sdc1(f4, MemOperand(a0, offsetof(TestCaseMaddMsub<double>, fd_add)));
__ msubf_d(f16, f6, f8);
__ sdc1(f16, MemOperand(a0, offsetof(TestCaseMaddMsub<double>, fd_sub)));
});
}
#undef __
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