a1331af594
TEST=test-assembler-mips64/jump_tables3 BUG= Review URL: https://codereview.chromium.org/1011383004 Cr-Commit-Position: refs/heads/master@{#27301}
1613 lines
44 KiB
C++
1613 lines
44 KiB
C++
// 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/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);
|
|
|
|
|
|
#define __ assm.
|
|
|
|
|
|
TEST(MIPS0) {
|
|
CcTest::InitializeVM();
|
|
Isolate* isolate = CcTest::i_isolate();
|
|
HandleScope scope(isolate);
|
|
|
|
MacroAssembler assm(isolate, NULL, 0);
|
|
|
|
// 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(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);
|
|
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(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);
|
|
|
|
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(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;
|
|
} 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);
|
|
Label L, C;
|
|
|
|
__ ldc1(f4, MemOperand(a0, OFFSET_OF(T, a)) );
|
|
__ ldc1(f6, MemOperand(a0, OFFSET_OF(T, b)) );
|
|
__ add_d(f8, f4, f6);
|
|
__ sdc1(f8, MemOperand(a0, OFFSET_OF(T, c)) ); // c = a + b.
|
|
|
|
__ mov_d(f10, f8); // c
|
|
__ neg_d(f12, f6); // -b
|
|
__ sub_d(f10, f10, f12);
|
|
__ sdc1(f10, MemOperand(a0, OFFSET_OF(T, d)) ); // d = c - (-b).
|
|
|
|
__ sdc1(f4, MemOperand(a0, OFFSET_OF(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, OFFSET_OF(T, e)) ); // e = d * 120 = 1.8066e16.
|
|
|
|
__ div_d(f12, f10, f4);
|
|
__ sdc1(f12, MemOperand(a0, OFFSET_OF(T, f)) ); // f = e / a = 120.44.
|
|
|
|
__ sqrt_d(f14, f12);
|
|
__ sdc1(f14, MemOperand(a0, OFFSET_OF(T, g)) );
|
|
// g = sqrt(f) = 10.97451593465515908537
|
|
|
|
if (kArchVariant == kMips64r2) {
|
|
__ ldc1(f4, MemOperand(a0, OFFSET_OF(T, h)) );
|
|
__ ldc1(f6, MemOperand(a0, OFFSET_OF(T, i)) );
|
|
__ madd_d(f14, f6, f4, f6);
|
|
__ sdc1(f14, MemOperand(a0, OFFSET_OF(T, 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());
|
|
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;
|
|
Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0);
|
|
USE(dummy);
|
|
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);
|
|
}
|
|
}
|
|
|
|
|
|
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, OFFSET_OF(T, a)));
|
|
__ ldc1(f5, MemOperand(a0, OFFSET_OF(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, OFFSET_OF(T, a)));
|
|
__ sdc1(f5, MemOperand(a0, OFFSET_OF(T, c)));
|
|
|
|
// Test sign extension of move operations from coprocessor.
|
|
__ ldc1(f4, MemOperand(a0, OFFSET_OF(T, d)));
|
|
__ mfhc1(a4, f4);
|
|
__ mfc1(a5, f4);
|
|
|
|
__ sd(a4, MemOperand(a0, OFFSET_OF(T, high)));
|
|
__ sd(a5, MemOperand(a0, OFFSET_OF(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(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, OFFSET_OF(T, a)) );
|
|
__ ldc1(f6, MemOperand(a0, OFFSET_OF(T, b)) );
|
|
__ lw(a4, MemOperand(a0, OFFSET_OF(T, i)) );
|
|
__ lw(a5, MemOperand(a0, OFFSET_OF(T, j)) );
|
|
|
|
// Convert double in f4 to int in element i.
|
|
__ cvt_w_d(f8, f4);
|
|
__ mfc1(a6, f8);
|
|
__ sw(a6, MemOperand(a0, OFFSET_OF(T, i)) );
|
|
|
|
// Convert double in f6 to int in element j.
|
|
__ cvt_w_d(f10, f6);
|
|
__ mfc1(a7, f10);
|
|
__ sw(a7, MemOperand(a0, OFFSET_OF(T, j)) );
|
|
|
|
// Convert int in original i (a4) to double in a.
|
|
__ mtc1(a4, f12);
|
|
__ cvt_d_w(f0, f12);
|
|
__ sdc1(f0, MemOperand(a0, OFFSET_OF(T, a)) );
|
|
|
|
// Convert int in original j (a5) to double in b.
|
|
__ mtc1(a5, f14);
|
|
__ cvt_d_w(f2, f14);
|
|
__ sdc1(f2, MemOperand(a0, OFFSET_OF(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(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, OFFSET_OF(T, ui)) );
|
|
__ sw(a4, MemOperand(a0, OFFSET_OF(T, r1)) );
|
|
|
|
// lh with positive data.
|
|
__ lh(a5, MemOperand(a0, OFFSET_OF(T, ui)) );
|
|
__ sw(a5, MemOperand(a0, OFFSET_OF(T, r2)) );
|
|
|
|
// lh with negative data.
|
|
__ lh(a6, MemOperand(a0, OFFSET_OF(T, si)) );
|
|
__ sw(a6, MemOperand(a0, OFFSET_OF(T, r3)) );
|
|
|
|
// lhu with negative data.
|
|
__ lhu(a7, MemOperand(a0, OFFSET_OF(T, si)) );
|
|
__ sw(a7, MemOperand(a0, OFFSET_OF(T, r4)) );
|
|
|
|
// lb with negative data.
|
|
__ lb(t0, MemOperand(a0, OFFSET_OF(T, si)) );
|
|
__ sw(t0, MemOperand(a0, OFFSET_OF(T, r5)) );
|
|
|
|
// sh writes only 1/2 of word.
|
|
__ lui(t1, 0x3333);
|
|
__ ori(t1, t1, 0x3333);
|
|
__ sw(t1, MemOperand(a0, OFFSET_OF(T, r6)) );
|
|
__ lhu(t1, MemOperand(a0, OFFSET_OF(T, si)) );
|
|
__ sh(t1, MemOperand(a0, OFFSET_OF(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(f, &t, 0, 0, 0, 0);
|
|
USE(dummy);
|
|
|
|
CHECK_EQ(static_cast<int32_t>(0x11223344), t.r1);
|
|
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);
|
|
}
|
|
|
|
|
|
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);
|
|
Label neither_is_nan, less_than, outa_here;
|
|
|
|
__ ldc1(f4, MemOperand(a0, OFFSET_OF(T, a)) );
|
|
__ ldc1(f6, MemOperand(a0, OFFSET_OF(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, OFFSET_OF(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, OFFSET_OF(T, result)) );
|
|
__ Branch(&outa_here);
|
|
|
|
__ bind(&less_than);
|
|
__ Addu(a4, zero_reg, Operand(1));
|
|
__ sw(a4, MemOperand(a0, OFFSET_OF(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(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) {
|
|
// 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);
|
|
|
|
// Basic word load.
|
|
__ lw(a4, MemOperand(a0, OFFSET_OF(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, OFFSET_OF(T, result_rotr_4)) );
|
|
__ sw(a6, MemOperand(a0, OFFSET_OF(T, result_rotr_8)) );
|
|
__ sw(a7, MemOperand(a0, OFFSET_OF(T, result_rotr_12)) );
|
|
__ sw(t0, MemOperand(a0, OFFSET_OF(T, result_rotr_16)) );
|
|
__ sw(t1, MemOperand(a0, OFFSET_OF(T, result_rotr_20)) );
|
|
__ sw(t2, MemOperand(a0, OFFSET_OF(T, result_rotr_24)) );
|
|
__ sw(t3, MemOperand(a0, OFFSET_OF(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, OFFSET_OF(T, result_rotrv_4)) );
|
|
__ sw(a6, MemOperand(a0, OFFSET_OF(T, result_rotrv_8)) );
|
|
__ sw(a7, MemOperand(a0, OFFSET_OF(T, result_rotrv_12)) );
|
|
__ sw(t0, MemOperand(a0, OFFSET_OF(T, result_rotrv_16)) );
|
|
__ sw(t1, MemOperand(a0, OFFSET_OF(T, result_rotrv_20)) );
|
|
__ sw(t2, MemOperand(a0, OFFSET_OF(T, result_rotrv_24)) );
|
|
__ sw(t3, MemOperand(a0, OFFSET_OF(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(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);
|
|
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, OFFSET_OF(T, a)));
|
|
|
|
// Save the raw bits of the double.
|
|
__ mfc1(a4, f0);
|
|
__ mfhc1(a5, f0);
|
|
__ sw(a4, MemOperand(a0, OFFSET_OF(T, dbl_mant)));
|
|
__ sw(a5, MemOperand(a0, OFFSET_OF(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, OFFSET_OF(T, long_lo)));
|
|
__ sw(a5, MemOperand(a0, OFFSET_OF(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, OFFSET_OF(T, a_converted)));
|
|
|
|
|
|
// Convert the b long integers to double b.
|
|
__ lw(a4, MemOperand(a0, OFFSET_OF(T, b_long_lo)));
|
|
__ lw(a5, MemOperand(a0, OFFSET_OF(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, OFFSET_OF(T, b)));
|
|
|
|
// Convert double b back to long-int.
|
|
__ ldc1(f31, MemOperand(a0, OFFSET_OF(T, b)));
|
|
__ cvt_l_d(f31, f31);
|
|
__ dmfc1(a7, f31);
|
|
__ sd(a7, MemOperand(a0, OFFSET_OF(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(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, OFFSET_OF(T, reg_init)));
|
|
__ lwl(a4, MemOperand(a0, OFFSET_OF(T, mem_init)));
|
|
__ sw(a4, MemOperand(a0, OFFSET_OF(T, lwl_0)));
|
|
|
|
__ lw(a5, MemOperand(a0, OFFSET_OF(T, reg_init)));
|
|
__ lwl(a5, MemOperand(a0, OFFSET_OF(T, mem_init) + 1));
|
|
__ sw(a5, MemOperand(a0, OFFSET_OF(T, lwl_1)));
|
|
|
|
__ lw(a6, MemOperand(a0, OFFSET_OF(T, reg_init)));
|
|
__ lwl(a6, MemOperand(a0, OFFSET_OF(T, mem_init) + 2));
|
|
__ sw(a6, MemOperand(a0, OFFSET_OF(T, lwl_2)));
|
|
|
|
__ lw(a7, MemOperand(a0, OFFSET_OF(T, reg_init)));
|
|
__ lwl(a7, MemOperand(a0, OFFSET_OF(T, mem_init) + 3));
|
|
__ sw(a7, MemOperand(a0, OFFSET_OF(T, lwl_3)));
|
|
|
|
// Test all combinations of LWR and vAddr.
|
|
__ lw(a4, MemOperand(a0, OFFSET_OF(T, reg_init)));
|
|
__ lwr(a4, MemOperand(a0, OFFSET_OF(T, mem_init)));
|
|
__ sw(a4, MemOperand(a0, OFFSET_OF(T, lwr_0)));
|
|
|
|
__ lw(a5, MemOperand(a0, OFFSET_OF(T, reg_init)));
|
|
__ lwr(a5, MemOperand(a0, OFFSET_OF(T, mem_init) + 1));
|
|
__ sw(a5, MemOperand(a0, OFFSET_OF(T, lwr_1)));
|
|
|
|
__ lw(a6, MemOperand(a0, OFFSET_OF(T, reg_init)));
|
|
__ lwr(a6, MemOperand(a0, OFFSET_OF(T, mem_init) + 2));
|
|
__ sw(a6, MemOperand(a0, OFFSET_OF(T, lwr_2)) );
|
|
|
|
__ lw(a7, MemOperand(a0, OFFSET_OF(T, reg_init)));
|
|
__ lwr(a7, MemOperand(a0, OFFSET_OF(T, mem_init) + 3));
|
|
__ sw(a7, MemOperand(a0, OFFSET_OF(T, lwr_3)) );
|
|
|
|
// Test all combinations of SWL and vAddr.
|
|
__ lw(a4, MemOperand(a0, OFFSET_OF(T, mem_init)));
|
|
__ sw(a4, MemOperand(a0, OFFSET_OF(T, swl_0)));
|
|
__ lw(a4, MemOperand(a0, OFFSET_OF(T, reg_init)));
|
|
__ swl(a4, MemOperand(a0, OFFSET_OF(T, swl_0)));
|
|
|
|
__ lw(a5, MemOperand(a0, OFFSET_OF(T, mem_init)));
|
|
__ sw(a5, MemOperand(a0, OFFSET_OF(T, swl_1)));
|
|
__ lw(a5, MemOperand(a0, OFFSET_OF(T, reg_init)));
|
|
__ swl(a5, MemOperand(a0, OFFSET_OF(T, swl_1) + 1));
|
|
|
|
__ lw(a6, MemOperand(a0, OFFSET_OF(T, mem_init)));
|
|
__ sw(a6, MemOperand(a0, OFFSET_OF(T, swl_2)));
|
|
__ lw(a6, MemOperand(a0, OFFSET_OF(T, reg_init)));
|
|
__ swl(a6, MemOperand(a0, OFFSET_OF(T, swl_2) + 2));
|
|
|
|
__ lw(a7, MemOperand(a0, OFFSET_OF(T, mem_init)));
|
|
__ sw(a7, MemOperand(a0, OFFSET_OF(T, swl_3)));
|
|
__ lw(a7, MemOperand(a0, OFFSET_OF(T, reg_init)));
|
|
__ swl(a7, MemOperand(a0, OFFSET_OF(T, swl_3) + 3));
|
|
|
|
// Test all combinations of SWR and vAddr.
|
|
__ lw(a4, MemOperand(a0, OFFSET_OF(T, mem_init)));
|
|
__ sw(a4, MemOperand(a0, OFFSET_OF(T, swr_0)));
|
|
__ lw(a4, MemOperand(a0, OFFSET_OF(T, reg_init)));
|
|
__ swr(a4, MemOperand(a0, OFFSET_OF(T, swr_0)));
|
|
|
|
__ lw(a5, MemOperand(a0, OFFSET_OF(T, mem_init)));
|
|
__ sw(a5, MemOperand(a0, OFFSET_OF(T, swr_1)));
|
|
__ lw(a5, MemOperand(a0, OFFSET_OF(T, reg_init)));
|
|
__ swr(a5, MemOperand(a0, OFFSET_OF(T, swr_1) + 1));
|
|
|
|
__ lw(a6, MemOperand(a0, OFFSET_OF(T, mem_init)));
|
|
__ sw(a6, MemOperand(a0, OFFSET_OF(T, swr_2)));
|
|
__ lw(a6, MemOperand(a0, OFFSET_OF(T, reg_init)));
|
|
__ swr(a6, MemOperand(a0, OFFSET_OF(T, swr_2) + 2));
|
|
|
|
__ lw(a7, MemOperand(a0, OFFSET_OF(T, mem_init)));
|
|
__ sw(a7, MemOperand(a0, OFFSET_OF(T, swr_3)));
|
|
__ lw(a7, MemOperand(a0, OFFSET_OF(T, reg_init)));
|
|
__ swr(a7, MemOperand(a0, OFFSET_OF(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(f, &t, 0, 0, 0, 0);
|
|
USE(dummy);
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
|
|
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);
|
|
|
|
__ mov(t2, fp); // Save frame pointer.
|
|
__ mov(fp, a0); // Access struct T by fp.
|
|
__ lw(a4, MemOperand(a0, OFFSET_OF(T, y)));
|
|
__ lw(a7, MemOperand(a0, OFFSET_OF(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, OFFSET_OF(T, y)));
|
|
__ lw(a4, MemOperand(fp, OFFSET_OF(T, y)));
|
|
__ nop();
|
|
__ sw(a4, MemOperand(fp, OFFSET_OF(T, y)));
|
|
__ lw(a5, MemOperand(fp, OFFSET_OF(T, y)));
|
|
__ nop();
|
|
__ push(a5);
|
|
__ lw(a5, MemOperand(fp, OFFSET_OF(T, y)));
|
|
__ pop(a5);
|
|
__ nop();
|
|
__ push(a5);
|
|
__ lw(a6, MemOperand(fp, OFFSET_OF(T, y)));
|
|
__ pop(a5);
|
|
__ nop();
|
|
__ push(a5);
|
|
__ lw(a6, MemOperand(fp, OFFSET_OF(T, y)));
|
|
__ pop(a6);
|
|
__ nop();
|
|
__ push(a6);
|
|
__ lw(a6, MemOperand(fp, OFFSET_OF(T, y)));
|
|
__ pop(a5);
|
|
__ nop();
|
|
__ push(a5);
|
|
__ lw(a6, MemOperand(fp, OFFSET_OF(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(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);
|
|
|
|
__ sw(a4, MemOperand(a0, OFFSET_OF(T, cvt_small_in)));
|
|
__ Cvt_d_uw(f10, a4, f22);
|
|
__ sdc1(f10, MemOperand(a0, OFFSET_OF(T, cvt_small_out)));
|
|
|
|
__ Trunc_uw_d(f10, f10, f22);
|
|
__ swc1(f10, MemOperand(a0, OFFSET_OF(T, trunc_small_out)));
|
|
|
|
__ sw(a4, MemOperand(a0, OFFSET_OF(T, cvt_big_in)));
|
|
__ Cvt_d_uw(f8, a4, f22);
|
|
__ sdc1(f8, MemOperand(a0, OFFSET_OF(T, cvt_big_out)));
|
|
|
|
__ Trunc_uw_d(f8, f8, f22);
|
|
__ swc1(f8, MemOperand(a0, OFFSET_OF(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(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) \
|
|
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);
|
|
|
|
// Save FCSR.
|
|
__ cfc1(a1, FCSR);
|
|
// Disable FPU exceptions.
|
|
__ ctc1(zero_reg, FCSR);
|
|
#define RUN_ROUND_TEST(x) \
|
|
__ ldc1(f0, MemOperand(a0, OFFSET_OF(T, round_up_in))); \
|
|
__ x##_w_d(f0, f0); \
|
|
__ swc1(f0, MemOperand(a0, OFFSET_OF(T, x##_up_out))); \
|
|
\
|
|
__ ldc1(f0, MemOperand(a0, OFFSET_OF(T, round_down_in))); \
|
|
__ x##_w_d(f0, f0); \
|
|
__ swc1(f0, MemOperand(a0, OFFSET_OF(T, x##_down_out))); \
|
|
\
|
|
__ ldc1(f0, MemOperand(a0, OFFSET_OF(T, neg_round_up_in))); \
|
|
__ x##_w_d(f0, f0); \
|
|
__ swc1(f0, MemOperand(a0, OFFSET_OF(T, neg_##x##_up_out))); \
|
|
\
|
|
__ ldc1(f0, MemOperand(a0, OFFSET_OF(T, neg_round_down_in))); \
|
|
__ x##_w_d(f0, f0); \
|
|
__ swc1(f0, MemOperand(a0, OFFSET_OF(T, neg_##x##_down_out))); \
|
|
\
|
|
__ ldc1(f0, MemOperand(a0, OFFSET_OF(T, err1_in))); \
|
|
__ ctc1(zero_reg, FCSR); \
|
|
__ x##_w_d(f0, f0); \
|
|
__ cfc1(a2, FCSR); \
|
|
__ sw(a2, MemOperand(a0, OFFSET_OF(T, x##_err1_out))); \
|
|
\
|
|
__ ldc1(f0, MemOperand(a0, OFFSET_OF(T, err2_in))); \
|
|
__ ctc1(zero_reg, FCSR); \
|
|
__ x##_w_d(f0, f0); \
|
|
__ cfc1(a2, FCSR); \
|
|
__ sw(a2, MemOperand(a0, OFFSET_OF(T, x##_err2_out))); \
|
|
\
|
|
__ ldc1(f0, MemOperand(a0, OFFSET_OF(T, err3_in))); \
|
|
__ ctc1(zero_reg, FCSR); \
|
|
__ x##_w_d(f0, f0); \
|
|
__ cfc1(a2, FCSR); \
|
|
__ sw(a2, MemOperand(a0, OFFSET_OF(T, x##_err3_out))); \
|
|
\
|
|
__ ldc1(f0, MemOperand(a0, OFFSET_OF(T, err4_in))); \
|
|
__ ctc1(zero_reg, FCSR); \
|
|
__ x##_w_d(f0, f0); \
|
|
__ cfc1(a2, FCSR); \
|
|
__ sw(a2, MemOperand(a0, OFFSET_OF(T, x##_err4_out))); \
|
|
__ swc1(f0, MemOperand(a0, OFFSET_OF(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(f, &t, 0, 0, 0, 0);
|
|
USE(dummy);
|
|
|
|
#define GET_FPU_ERR(x) (static_cast<int>(x & kFCSRFlagMask))
|
|
#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); \
|
|
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);
|
|
|
|
typedef struct {
|
|
int64_t r1;
|
|
int64_t r2;
|
|
int64_t r3;
|
|
int64_t r4;
|
|
int64_t r5;
|
|
int64_t r6;
|
|
uint32_t ui;
|
|
int32_t si;
|
|
} T;
|
|
T t;
|
|
|
|
Assembler assm(isolate, NULL, 0);
|
|
Label L, C;
|
|
|
|
// Basic 32-bit word load/store, with un-signed data.
|
|
__ lw(a4, MemOperand(a0, OFFSET_OF(T, ui)));
|
|
__ sw(a4, MemOperand(a0, OFFSET_OF(T, r1)));
|
|
|
|
// Check that the data got zero-extended into 64-bit a4.
|
|
__ sd(a4, MemOperand(a0, OFFSET_OF(T, r2)));
|
|
|
|
// Basic 32-bit word load/store, with SIGNED data.
|
|
__ lw(a5, MemOperand(a0, OFFSET_OF(T, si)));
|
|
__ sw(a5, MemOperand(a0, OFFSET_OF(T, r3)));
|
|
|
|
// Check that the data got sign-extended into 64-bit a4.
|
|
__ sd(a5, MemOperand(a0, OFFSET_OF(T, r4)));
|
|
|
|
// 32-bit UNSIGNED word load/store, with SIGNED data.
|
|
__ lwu(a6, MemOperand(a0, OFFSET_OF(T, si)));
|
|
__ sw(a6, MemOperand(a0, OFFSET_OF(T, r5)));
|
|
|
|
// Check that the data got zero-extended into 64-bit a4.
|
|
__ sd(a6, MemOperand(a0, OFFSET_OF(T, r6)));
|
|
|
|
// lh with positive data.
|
|
__ lh(a5, MemOperand(a0, OFFSET_OF(T, ui)));
|
|
__ sw(a5, MemOperand(a0, OFFSET_OF(T, r2)));
|
|
|
|
// lh with negative data.
|
|
__ lh(a6, MemOperand(a0, OFFSET_OF(T, si)));
|
|
__ sw(a6, MemOperand(a0, OFFSET_OF(T, r3)));
|
|
|
|
// lhu with negative data.
|
|
__ lhu(a7, MemOperand(a0, OFFSET_OF(T, si)));
|
|
__ sw(a7, MemOperand(a0, OFFSET_OF(T, r4)));
|
|
|
|
// lb with negative data.
|
|
__ lb(t0, MemOperand(a0, OFFSET_OF(T, si)));
|
|
__ sw(t0, MemOperand(a0, OFFSET_OF(T, r5)));
|
|
|
|
// // sh writes only 1/2 of word.
|
|
__ lui(t1, 0x3333);
|
|
__ ori(t1, t1, 0x3333);
|
|
__ sw(t1, MemOperand(a0, OFFSET_OF(T, r6)));
|
|
__ lhu(t1, MemOperand(a0, OFFSET_OF(T, si)));
|
|
__ sh(t1, MemOperand(a0, OFFSET_OF(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 = 0x44332211;
|
|
t.si = 0x99aabbcc;
|
|
t.r1 = 0x1111111111111111;
|
|
t.r2 = 0x2222222222222222;
|
|
t.r3 = 0x3333333333333333;
|
|
t.r4 = 0x4444444444444444;
|
|
t.r5 = 0x5555555555555555;
|
|
t.r6 = 0x6666666666666666;
|
|
Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0);
|
|
USE(dummy);
|
|
|
|
// Unsigned data, 32 & 64.
|
|
CHECK_EQ(static_cast<int64_t>(0x1111111144332211L), t.r1);
|
|
CHECK_EQ(static_cast<int64_t>(0x0000000000002211L), t.r2);
|
|
|
|
// Signed data, 32 & 64.
|
|
CHECK_EQ(static_cast<int64_t>(0x33333333ffffbbccL), t.r3);
|
|
CHECK_EQ(static_cast<int64_t>(0xffffffff0000bbccL), t.r4);
|
|
|
|
// Signed data, 32 & 64.
|
|
CHECK_EQ(static_cast<int64_t>(0x55555555ffffffccL), t.r5);
|
|
CHECK_EQ(static_cast<int64_t>(0x000000003333bbccL), t.r6);
|
|
}
|
|
|
|
|
|
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));
|
|
if ((assm.pc_offset() & 7) == 0) {
|
|
__ nop();
|
|
}
|
|
|
|
Label done;
|
|
{
|
|
PredictableCodeSizeScope predictable(
|
|
&assm, (kNumCases * 2 + 7) * Assembler::kInstrSize);
|
|
Label here;
|
|
|
|
__ bal(&here);
|
|
__ nop();
|
|
__ bind(&here);
|
|
__ dsll(at, a0, 3);
|
|
__ daddu(at, at, ra);
|
|
__ ld(at, MemOperand(at, 5 * 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();
|
|
|
|
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) {
|
|
int res = reinterpret_cast<int64_t>(CALL_GENERATED_CODE(f, i, 0, 0, 0, 0));
|
|
::printf("f(%d) = %d\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();
|
|
}
|
|
|
|
if ((assm.pc_offset() & 7) == 0) {
|
|
__ nop();
|
|
}
|
|
__ bind(&dispatch);
|
|
{
|
|
PredictableCodeSizeScope predictable(
|
|
&assm, (kNumCases * 2 + 7) * Assembler::kInstrSize);
|
|
Label here;
|
|
|
|
__ bal(&here);
|
|
__ nop();
|
|
__ bind(&here);
|
|
__ dsll(at, a0, 3);
|
|
__ daddu(at, at, ra);
|
|
__ ld(at, MemOperand(at, 5 * 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) {
|
|
int res = reinterpret_cast<int64_t>(CALL_GENERATED_CODE(f, i, 0, 0, 0, 0));
|
|
::printf("f(%d) = %d\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);
|
|
|
|
|
|
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();
|
|
}
|
|
|
|
__ stop("chk");
|
|
if ((assm.pc_offset() & 7) == 0) {
|
|
__ nop();
|
|
}
|
|
__ bind(&dispatch);
|
|
{
|
|
PredictableCodeSizeScope predictable(
|
|
&assm, (kNumCases * 2 + 7) * Assembler::kInstrSize);
|
|
Label here;
|
|
|
|
__ bal(&here);
|
|
__ nop();
|
|
__ bind(&here);
|
|
__ dsll(at, a0, 3);
|
|
__ daddu(at, at, ra);
|
|
__ ld(at, MemOperand(at, 5 * 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(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));
|
|
}
|
|
}
|
|
|
|
|
|
#undef __
|