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Revert "MIPS[64]: Implement MSA I10 instructions in simulator"

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This reverts commit 34ed247071.

Reason for revert: Compile on mips builder:
https://build.chromium.org/p/client.v8.ports/builders/V8%20Mips%20-%20builder/builds/10881

Original change's description:
> MIPS[64]: Implement MSA I10 instructions in simulator
> 
> Bug: 
> Change-Id: Ib252b157977fe97f6f4ceb6e7f696f14ca12680e
> Reviewed-on: https://chromium-review.googlesource.com/574595
> Commit-Queue: Ivica Bogosavljevic <ivica.bogosavljevic@imgtec.com>
> Reviewed-by: Ivica Bogosavljevic <ivica.bogosavljevic@imgtec.com>
> Cr-Commit-Position: refs/heads/master@{#46783}

TBR=ivica.bogosavljevic@imgtec.com,Ilija.Pavlovic@imgtec.com,dusan.simicic@imgtec.com,Miran.Karic@imgtec.com

Change-Id: Ic855904b3f93e5ef941a27bcc67c61c15303422a
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/579048
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#46784}
This commit is contained in:
Michael Achenbach 2017-07-20 09:15:21 +00:00 committed by Commit Bot
parent 34ed247071
commit b23b8c088c
4 changed files with 2 additions and 210 deletions
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28
src/mips/simulator-mips.cc
View File

@ -4496,37 +4496,11 @@ void Simulator::DecodeTypeMsaI10() {
DCHECK(IsMipsArchVariant(kMips32r6));
DCHECK(CpuFeatures::IsSupported(MIPS_SIMD));
uint32_t opcode = instr_.InstructionBits() & kMsaI5Mask;
int64_t s10 = (static_cast<int64_t>(instr_.MsaImm10Value()) << 54) >> 54;
msa_reg_t wd;
#define MSA_I10_DF(elem, num_of_lanes, T) \
for (int i = 0; i < num_of_lanes; ++i) { \
wd.elem[i] = static_cast<T>(s10); \
} \
set_msa_register(instr_.WdValue(), wd.elem); \
TraceMSARegWr(wd.elem)
if (opcode == LDI) {
switch (DecodeMsaDataFormat()) {
case MSA_BYTE:
MSA_I10_DF(b, kMSALanesByte, int8_t);
break;
case MSA_HALF:
MSA_I10_DF(h, kMSALanesHalf, int16_t);
break;
case MSA_WORD:
MSA_I10_DF(w, kMSALanesWord, int32_t);
break;
case MSA_DWORD:
MSA_I10_DF(d, kMSALanesDword, int64_t);
break;
default:
UNREACHABLE();
}
UNIMPLEMENTED();
} else {
UNREACHABLE();
}
#undef MSA_I10_DF
}
void Simulator::DecodeTypeMsaELM() {

28
src/mips64/simulator-mips64.cc
View File

@ -4708,37 +4708,11 @@ void Simulator::DecodeTypeMsaI10() {
DCHECK(kArchVariant == kMips64r6);
DCHECK(CpuFeatures::IsSupported(MIPS_SIMD));
uint32_t opcode = instr_.InstructionBits() & kMsaI5Mask;
int64_t s10 = (static_cast<int64_t>(instr_.MsaImm10Value()) << 54) >> 54;
msa_reg_t wd;
#define MSA_I10_DF(elem, num_of_lanes, T) \
for (int i = 0; i < num_of_lanes; ++i) { \
wd.elem[i] = static_cast<T>(s10); \
} \
set_msa_register(instr_.WdValue(), wd.elem); \
TraceMSARegWr(wd.elem)
if (opcode == LDI) {
switch (DecodeMsaDataFormat()) {
case MSA_BYTE:
MSA_I10_DF(b, kMSALanesByte, int8_t);
break;
case MSA_HALF:
MSA_I10_DF(h, kMSALanesHalf, int16_t);
break;
case MSA_WORD:
MSA_I10_DF(w, kMSALanesWord, int32_t);
break;
case MSA_DWORD:
MSA_I10_DF(d, kMSALanesDword, int64_t);
break;
default:
UNREACHABLE();
}
UNIMPLEMENTED();
} else {
UNREACHABLE();
}
#undef MSA_I10_DF
}
void Simulator::DecodeTypeMsaELM() {

78
test/cctest/test-assembler-mips.cc
View File

@ -7499,82 +7499,4 @@ TEST(MSA_sat_s_sat_u) {
#undef M_MAX_UINT
}
template <typename InstFunc, typename OperFunc>
void run_msa_i10(int32_t input, InstFunc GenerateVectorInstructionFunc,
OperFunc GenerateOperationFunc) {
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
CpuFeatureScope fscope(&assm, MIPS_SIMD);
msa_reg_t res;
GenerateVectorInstructionFunc(assm, input);
__ copy_u_w(t2, w0, 0);
__ sw(t2, MemOperand(a0, 0));
__ copy_u_w(t2, w0, 1);
__ sw(t2, MemOperand(a0, 4));
__ copy_u_w(t2, w0, 2);
__ sw(t2, MemOperand(a0, 8));
__ copy_u_w(t2, w0, 3);
__ sw(t2, MemOperand(a0, 12));
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
#ifdef OBJECT_PRINT
code->Print(std::cout);
#endif
F3 f = FUNCTION_CAST<F3>(code->entry());
(CALL_GENERATED_CODE(isolate, f, &res, 0, 0, 0, 0));
CHECK_EQ(GenerateOperationFunc(input), res.d[0]);
CHECK_EQ(GenerateOperationFunc(input), res.d[1]);
}
TEST(MSA_ldi) {
if (!IsMipsArchVariant(kMips32r6) || !CpuFeatures::IsSupported(MIPS_SIMD))
return;
CcTest::InitializeVM();
int32_t tc[] = {0, -1, 1, 0x000000e1, 0xffffffb0,
0xffffffde, 0x00000136, 0x000001ff, 0xfffffe00};
#define LDI_DF(lanes, mask) \
[](int32_t s10) { \
uint64_t res = 0; \
int elem_size = kMSARegSize / lanes; \
int64_t s10_64 = \
ArithmeticShiftRight(static_cast<int64_t>(s10) << 54, 54); \
for (int i = 0; i < lanes / 2; ++i) { \
int shift = elem_size * i; \
res |= static_cast<uint64_t>(s10_64 & mask) << shift; \
} \
return res; \
}
for (size_t i = 0; i < sizeof(tc) / sizeof(int32_t); ++i) {
run_msa_i10(tc[i],
[](MacroAssembler& assm, int32_t s10) { __ ldi_b(w0, s10); },
LDI_DF(kMSALanesByte, UINT8_MAX));
run_msa_i10(tc[i],
[](MacroAssembler& assm, int32_t s10) { __ ldi_h(w0, s10); },
LDI_DF(kMSALanesHalf, UINT16_MAX));
run_msa_i10(tc[i],
[](MacroAssembler& assm, int32_t s10) { __ ldi_w(w0, s10); },
LDI_DF(kMSALanesWord, UINT32_MAX));
run_msa_i10(tc[i],
[](MacroAssembler& assm, int32_t s10) { __ ldi_d(w0, s10); },
LDI_DF(kMSALanesDword, UINT64_MAX));
}
#undef LDI_DF
}
#undef __

78
test/cctest/test-assembler-mips64.cc
View File

@ -8360,82 +8360,4 @@ TEST(MSA_sat_s_sat_u) {
#undef M_MAX_UINT
}
template <typename InstFunc, typename OperFunc>
void run_msa_i10(int32_t input, InstFunc GenerateVectorInstructionFunc,
OperFunc GenerateOperationFunc) {
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
CpuFeatureScope fscope(&assm, MIPS_SIMD);
msa_reg_t res;
GenerateVectorInstructionFunc(assm, input);
__ copy_u_w(t2, w0, 0);
__ sw(t2, MemOperand(a0, 0));
__ copy_u_w(t2, w0, 1);
__ sw(t2, MemOperand(a0, 4));
__ copy_u_w(t2, w0, 2);
__ sw(t2, MemOperand(a0, 8));
__ copy_u_w(t2, w0, 3);
__ sw(t2, MemOperand(a0, 12));
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
#ifdef OBJECT_PRINT
code->Print(std::cout);
#endif
F3 f = FUNCTION_CAST<F3>(code->entry());
(CALL_GENERATED_CODE(isolate, f, &res, 0, 0, 0, 0));
CHECK_EQ(GenerateOperationFunc(input), res.d[0]);
CHECK_EQ(GenerateOperationFunc(input), res.d[1]);
}
TEST(MSA_ldi) {
if ((kArchVariant != kMips64r6) || !CpuFeatures::IsSupported(MIPS_SIMD))
return;
CcTest::InitializeVM();
int32_t tc[] = {0, -1, 1, 0x000000e1, 0xffffffb0,
0xffffffde, 0x00000136, 0x000001ff, 0xfffffe00};
#define LDI_DF(lanes, mask) \
[](int32_t s10) { \
uint64_t res = 0; \
int elem_size = kMSARegSize / lanes; \
int64_t s10_64 = \
ArithmeticShiftRight(static_cast<int64_t>(s10) << 54, 54); \
for (int i = 0; i < lanes / 2; ++i) { \
int shift = elem_size * i; \
res |= static_cast<uint64_t>(s10_64 & mask) << shift; \
} \
return res; \
}
for (size_t i = 0; i < sizeof(tc) / sizeof(int32_t); ++i) {
run_msa_i10(tc[i],
[](MacroAssembler& assm, int32_t s10) { __ ldi_b(w0, s10); },
LDI_DF(kMSALanesByte, UINT8_MAX));
run_msa_i10(tc[i],
[](MacroAssembler& assm, int32_t s10) { __ ldi_h(w0, s10); },
LDI_DF(kMSALanesHalf, UINT16_MAX));
run_msa_i10(tc[i],
[](MacroAssembler& assm, int32_t s10) { __ ldi_w(w0, s10); },
LDI_DF(kMSALanesWord, UINT32_MAX));
run_msa_i10(tc[i],
[](MacroAssembler& assm, int32_t s10) { __ ldi_d(w0, s10); },
LDI_DF(kMSALanesDword, UINT64_MAX));
}
#undef LDI_DF
}
#undef __