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v8/test/cctest/test-assembler-s390.cc
Mathias Bynens 62f929ff4c Use nullptr instead of NULL where possible 
New code should use nullptr instead of NULL.

This patch updates existing use of NULL to nullptr where applicable,
making the code base more consistent.

BUG=v8:6928,v8:6921

Cq-Include-Trybots: master.tryserver.chromium.linux:linux_chromium_rel_ng;master.tryserver.v8:v8_linux_noi18n_rel_ng
Change-Id: I4687f5b96fcfd88b41fa970a2b937b4f6538777c
Reviewed-on: https://chromium-review.googlesource.com/718338
Commit-Queue: Mathias Bynens <mathias@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48557}
2017-10-13 17:21:49 +00:00

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// Copyright 2014 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 "src/v8.h"
#include "src/disassembler.h"
#include "src/factory.h"
#include "src/macro-assembler.h"
#include "src/s390/assembler-s390-inl.h"
#include "src/s390/simulator-s390.h"
#include "test/cctest/cctest.h"
namespace v8 {
namespace 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* p0, int p1, int p2, int p3, int p4);
typedef Object* (*F4)(void* p0, void* p1, int p2, int p3, int p4);
#define __ assm.
// Simple add parameter 1 to parameter 2 and return
TEST(0) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
Assembler assm(isolate, nullptr, 0);
__ lhi(r1, Operand(3)); // test 4-byte instr
__ llilf(r2, Operand(4)); // test 6-byte instr
__ lgr(r2, r2); // test 2-byte opcode
__ ar(r2, r1); // test 2-byte instr
__ b(r14);
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code =
isolate->factory()->NewCode(desc, Code::STUB, Handle<Code>());
#ifdef DEBUG
code->Print();
#endif
F2 f = FUNCTION_CAST<F2>(code->entry());
intptr_t res = reinterpret_cast<intptr_t>(
CALL_GENERATED_CODE(isolate, f, 3, 4, 0, 0, 0));
::printf("f() = %" V8PRIxPTR "\n", res);
CHECK_EQ(7, static_cast<int>(res));
}
// Loop 100 times, adding loop counter to result
TEST(1) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
Assembler assm(isolate, nullptr, 0);
Label L, C;
#if defined(_AIX)
__ function_descriptor();
#endif
__ lr(r3, r2);
__ lhi(r2, Operand(0, kRelocInfo_NONEPTR));
__ b(&C);
__ bind(&L);
__ ar(r2, r3);
__ ahi(r3, Operand(-1 & 0xFFFF));
__ bind(&C);
__ cfi(r3, Operand(0, kRelocInfo_NONEPTR));
__ bne(&L);
__ b(r14);
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code =
isolate->factory()->NewCode(desc, Code::STUB, Handle<Code>());
#ifdef DEBUG
code->Print();
#endif
F1 f = FUNCTION_CAST<F1>(code->entry());
intptr_t res = reinterpret_cast<intptr_t>(
CALL_GENERATED_CODE(isolate, f, 100, 0, 0, 0, 0));
::printf("f() = %" V8PRIxPTR "\n", res);
CHECK_EQ(5050, static_cast<int>(res));
}
TEST(2) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
// Create a function that accepts &t, and loads, manipulates, and stores
// the doubles and floats.
Assembler assm(CcTest::i_isolate(), nullptr, 0);
Label L, C;
#if defined(_AIX)
__ function_descriptor();
#endif
__ lgr(r3, r2);
__ lhi(r2, Operand(1));
__ b(&C);
__ bind(&L);
__ lr(r5, r2); // Set up muliplicant in R4:R5
__ mr_z(r4, r3); // this is actually R4:R5 = R5 * R2
__ lr(r2, r5);
__ ahi(r3, Operand(-1 & 0xFFFF));
__ bind(&C);
__ cfi(r3, Operand(0, kRelocInfo_NONEPTR));
__ bne(&L);
__ b(r14);
// some relocated stuff here, not executed
__ RecordComment("dead code, just testing relocations");
__ iilf(r0, Operand(isolate->factory()->true_value()));
__ RecordComment("dead code, just testing immediate operands");
__ iilf(r0, Operand(-1));
__ iilf(r0, Operand(0xFF000000));
__ iilf(r0, Operand(0xF0F0F0F0));
__ iilf(r0, Operand(0xFFF0FFFF));
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code =
isolate->factory()->NewCode(desc, Code::STUB, Handle<Code>());
#ifdef DEBUG
code->Print();
#endif
F1 f = FUNCTION_CAST<F1>(code->entry());
intptr_t res = reinterpret_cast<intptr_t>(
CALL_GENERATED_CODE(isolate, f, 10, 0, 0, 0, 0));
::printf("f() = %" V8PRIxPTR "\n", res);
CHECK_EQ(3628800, static_cast<int>(res));
}
TEST(3) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
Assembler assm(isolate, nullptr, 0);
__ ar(r14, r13);
__ sr(r14, r13);
__ mr_z(r14, r13);
__ dr(r14, r13);
__ or_z(r14, r13);
__ nr(r14, r13);
__ xr(r14, r13);
__ agr(r14, r13);
__ sgr(r14, r13);
__ ogr(r14, r13);
__ ngr(r14, r13);
__ xgr(r14, r13);
__ ahi(r13, Operand(123));
__ aghi(r13, Operand(123));
__ stm(r1, r2, MemOperand(r3, r0, 123));
__ slag(r1, r2, Operand(123));
__ lay(r1, MemOperand(r2, r3, -123));
__ a(r13, MemOperand(r1, r2, 123));
__ ay(r13, MemOperand(r1, r2, 123));
__ brc(Condition(14), Operand(123));
__ brc(Condition(14), Operand(-123));
__ brcl(Condition(14), Operand(123));
__ brcl(Condition(14), Operand(-123));
__ iilf(r13, Operand(123456789));
__ iihf(r13, Operand(-123456789));
__ mvc(MemOperand(r0, 123), MemOperand(r4, 567), 89);
__ sll(r13, Operand(10));
v8::internal::byte* bufPos = assm.buffer_pos();
::printf("buffer position = %p", static_cast<void*>(bufPos));
::fflush(stdout);
// OS::DebugBreak();
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code =
isolate->factory()->NewCode(desc, Code::STUB, Handle<Code>());
#ifdef DEBUG
code->Print();
#endif
USE(code);
::exit(0);
}
#if 0
TEST(4) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
Assembler assm(isolate, nullptr, 0);
Label L2, L3, L4;
__ chi(r2, Operand(10));
__ ble(&L2);
__ lr(r2, r4);
__ ar(r2, r3);
__ b(&L3);
__ bind(&L2);
__ chi(r2, Operand(5));
__ bgt(&L4);
__ lhi(r2, Operand::Zero());
__ b(&L3);
__ bind(&L4);
__ lr(r2, r3);
__ sr(r2, r4);
__ bind(&L3);
__ lgfr(r2, r3);
__ b(r14);
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::STUB, Handle<Code>());
#ifdef DEBUG
code->Print();
#endif
F2 f = FUNCTION_CAST<F2>(code->entry());
intptr_t res = reinterpret_cast<intptr_t>(
CALL_GENERATED_CODE(isolate, f, 3, 4, 3, 0, 0));
::printf("f() = %" V8PRIdPTR "\n", res);
CHECK_EQ(4, static_cast<int>(res));
}
// Test ExtractBitRange
TEST(5) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, nullptr, 0);
__ mov(r2, Operand(0x12345678));
__ ExtractBitRange(r3, r2, 3, 2);
__ lgfr(r2, r3);
__ b(r14);
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::STUB, Handle<Code>());
#ifdef DEBUG
code->Print();
#endif
F2 f = FUNCTION_CAST<F2>(code->entry());
intptr_t res =
reinterpret_cast<intptr_t>(CALL_GENERATED_CODE(isolate, f, 3, 4, 3, 0, 0));
::printf("f() = %" V8PRIdPTR "\n", res);
CHECK_EQ(2, static_cast<int>(res));
}
// Test JumpIfSmi
TEST(6) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, nullptr, 0);
Label yes;
__ mov(r2, Operand(0x12345678));
__ JumpIfSmi(r2, &yes);
__ beq(&yes);
__ Load(r2, Operand::Zero());
__ b(r14);
__ bind(&yes);
__ Load(r2, Operand(1));
__ b(r14);
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::STUB, Handle<Code>());
#ifdef DEBUG
code->Print();
#endif
F2 f = FUNCTION_CAST<F2>(code->entry());
intptr_t res =
reinterpret_cast<intptr_t>(CALL_GENERATED_CODE(isolate, f, 3, 4, 3, 0, 0));
::printf("f() = %" V8PRIdPTR "\n", res);
CHECK_EQ(1, static_cast<int>(res));
}
// Test fix<->floating point conversion.
TEST(7) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, nullptr, 0);
Label yes;
__ mov(r3, Operand(0x1234));
__ cdfbr(d1, r3);
__ ldr(d2, d1);
__ adbr(d1, d2);
__ cfdbr(Condition(0), r2, d1);
__ b(r14);
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::STUB, Handle<Code>());
#ifdef DEBUG
code->Print();
#endif
F2 f = FUNCTION_CAST<F2>(code->entry());
intptr_t res =
reinterpret_cast<intptr_t>(CALL_GENERATED_CODE(isolate, f, 3, 4, 3, 0, 0));
::printf("f() = %" V8PRIdPTR "\n", res);
CHECK_EQ(0x2468, static_cast<int>(res));
}
// Test DSGR
TEST(8) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, nullptr, 0);
// Zero upper bits of r3/r4
__ llihf(r3, Operand::Zero());
__ llihf(r4, Operand::Zero());
__ mov(r3, Operand(0x0002));
__ mov(r4, Operand(0x0002));
__ dsgr(r2, r4);
__ b(r14);
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::STUB, Handle<Code>());
#ifdef DEBUG
code->Print();
#endif
F1 f = FUNCTION_CAST<F1>(code->entry());
intptr_t res =
reinterpret_cast<intptr_t>(CALL_GENERATED_CODE(isolate, f, 100, 0,
0, 0, 0));
::printf("f() = %" V8PRIdPTR "\n", res);
CHECK_EQ(0, static_cast<int>(res));
}
// Test LZDR
TEST(9) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, nullptr, 0);
__ lzdr(d4);
__ b(r14);
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::STUB, Handle<Code>());
#ifdef DEBUG
code->Print();
#endif
F1 f = FUNCTION_CAST<F1>(code->entry());
intptr_t res =
reinterpret_cast<intptr_t>(CALL_GENERATED_CODE(isolate, f, 0, 0, 0, 0, 0));
::printf("f() = %" V8PRIdPTR "\n", res);
}
#endif
// Test msrkc and msgrkc
TEST(10) {
if (!CpuFeatures::IsSupported(MISC_INSTR_EXT2)) {
return;
}
::printf("MISC_INSTR_EXT2 is enabled.\n");
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
Assembler assm(isolate, nullptr, 0);
Label ok, failed;
{ // test 1: msrkc
__ lgfi(r2, Operand(3));
__ lgfi(r3, Operand(4));
__ msrkc(r1, r2, r3); // 3 * 4
__ b(static_cast<Condition>(le | overflow), &failed); // test failed.
__ chi(r1, Operand(12));
__ bne(&failed); // test failed.
__ lgfi(r2, Operand(-3));
__ lgfi(r3, Operand(4));
__ msrkc(r1, r2, r3); // -3 * 4
__ b(static_cast<Condition>(ge | overflow), &failed); // test failed.
__ chi(r1, Operand(-12));
__ bne(&failed); // test failed.
__ iilf(r2, Operand(0x80000000));
__ lgfi(r3, Operand(-1));
__ msrkc(r1, r2, r3); // INT_MIN * -1
__ b(nooverflow, &failed); // test failed.
__ cfi(r1, Operand(0x80000000));
__ bne(&failed); // test failed.
}
{ // test 1: msgrkc
__ lgfi(r2, Operand(3));
__ lgfi(r3, Operand(4));
__ msgrkc(r1, r2, r3); // 3 * 4
__ b(static_cast<Condition>(le | overflow), &failed); // test failed.
__ chi(r1, Operand(12));
__ bne(&failed); // test failed.
__ lgfi(r2, Operand(-3));
__ lgfi(r3, Operand(4));
__ msgrkc(r1, r2, r3); // -3 * 4
__ b(static_cast<Condition>(ge | overflow), &failed); // test failed.
__ chi(r1, Operand(-12));
__ bne(&failed); // test failed.
__ lgfi(r2, Operand::Zero());
__ iihf(r2, Operand(0x80000000));
__ lgfi(r3, Operand(-1));
__ msgrkc(r1, r2, r3); // INT_MIN * -1
__ b(nooverflow, &failed); // test failed.
__ cgr(r1, r2);
__ bne(&failed); // test failed.
}
__ bind(&ok);
__ lgfi(r2, Operand::Zero());
__ b(r14); // test done.
__ bind(&failed);
__ lgfi(r2, Operand(1));
__ b(r14);
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code =
isolate->factory()->NewCode(desc, Code::STUB, Handle<Code>());
#ifdef DEBUG
code->Print();
#endif
F2 f = FUNCTION_CAST<F2>(code->entry());
intptr_t res = reinterpret_cast<intptr_t>(
CALL_GENERATED_CODE(isolate, f, 3, 4, 0, 0, 0));
::printf("f() = %" V8PRIxPTR "\n", res);
CHECK_EQ(0, static_cast<int>(res));
}
#undef __
} // namespace internal
} // namespace v8
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