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Side by Side Diff: src/compiler/s390/instruction-selector-s390.cc

Issue 2045943002: [compiler] [wasm] Introduce Word32/64ReverseBytes as TF Optional Opcode (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Fix according to titzer Created 4 years, 4 months ago
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1 // Copyright 2015 the V8 project authors. All rights reserved. 1 // Copyright 2015 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "src/base/adapters.h" 5 #include "src/base/adapters.h"
6 #include "src/compiler/instruction-selector-impl.h" 6 #include "src/compiler/instruction-selector-impl.h"
7 #include "src/compiler/node-matchers.h" 7 #include "src/compiler/node-matchers.h"
8 #include "src/compiler/node-properties.h" 8 #include "src/compiler/node-properties.h"
9 #include "src/s390/frames-s390.h" 9 #include "src/s390/frames-s390.h"
10 10
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264 } 264 }
265 InstructionOperand temps[] = {g.TempRegister(), g.TempRegister()}; 265 InstructionOperand temps[] = {g.TempRegister(), g.TempRegister()};
266 size_t const temp_count = arraysize(temps); 266 size_t const temp_count = arraysize(temps);
267 InstructionCode code = kArchStoreWithWriteBarrier; 267 InstructionCode code = kArchStoreWithWriteBarrier;
268 code |= AddressingModeField::encode(addressing_mode); 268 code |= AddressingModeField::encode(addressing_mode);
269 code |= MiscField::encode(static_cast<int>(record_write_mode)); 269 code |= MiscField::encode(static_cast<int>(record_write_mode));
270 Emit(code, 0, nullptr, input_count, inputs, temp_count, temps); 270 Emit(code, 0, nullptr, input_count, inputs, temp_count, temps);
271 } else { 271 } else {
272 ArchOpcode opcode = kArchNop; 272 ArchOpcode opcode = kArchNop;
273 ImmediateMode mode = kInt16Imm; 273 ImmediateMode mode = kInt16Imm;
274 NodeMatcher m(value);
274 switch (rep) { 275 switch (rep) {
275 case MachineRepresentation::kFloat32: 276 case MachineRepresentation::kFloat32:
276 opcode = kS390_StoreFloat32; 277 opcode = kS390_StoreFloat32;
277 break; 278 break;
278 case MachineRepresentation::kFloat64: 279 case MachineRepresentation::kFloat64:
279 opcode = kS390_StoreDouble; 280 opcode = kS390_StoreDouble;
280 break; 281 break;
281 case MachineRepresentation::kBit: // Fall through. 282 case MachineRepresentation::kBit: // Fall through.
282 case MachineRepresentation::kWord8: 283 case MachineRepresentation::kWord8:
283 opcode = kS390_StoreWord8; 284 opcode = kS390_StoreWord8;
284 break; 285 break;
285 case MachineRepresentation::kWord16: 286 case MachineRepresentation::kWord16:
286 opcode = kS390_StoreWord16; 287 opcode = kS390_StoreWord16;
287 break; 288 break;
288 #if !V8_TARGET_ARCH_S390X 289 #if !V8_TARGET_ARCH_S390X
289 case MachineRepresentation::kTagged: // Fall through. 290 case MachineRepresentation::kTagged: // Fall through.
290 #endif 291 #endif
291 case MachineRepresentation::kWord32: 292 case MachineRepresentation::kWord32:
292 opcode = kS390_StoreWord32; 293 opcode = kS390_StoreWord32;
294 if (m.IsWord32ReverseBytes()) {
295 opcode = kS390_StoreReverse32;
296 value = value->InputAt(0);
297 }
293 break; 298 break;
294 #if V8_TARGET_ARCH_S390X 299 #if V8_TARGET_ARCH_S390X
295 case MachineRepresentation::kTagged: // Fall through. 300 case MachineRepresentation::kTagged: // Fall through.
296 case MachineRepresentation::kWord64: 301 case MachineRepresentation::kWord64:
297 opcode = kS390_StoreWord64; 302 opcode = kS390_StoreWord64;
298 mode = kInt16Imm_4ByteAligned; 303 mode = kInt16Imm_4ByteAligned;
304 if (m.IsWord64ReverseBytes()) {
305 opcode = kS390_StoreReverse64;
306 value = value->InputAt(0);
307 }
299 break; 308 break;
300 #else 309 #else
301 case MachineRepresentation::kWord64: // Fall through. 310 case MachineRepresentation::kWord64: // Fall through.
302 #endif 311 #endif
303 case MachineRepresentation::kSimd128: // Fall through. 312 case MachineRepresentation::kSimd128: // Fall through.
304 case MachineRepresentation::kNone: 313 case MachineRepresentation::kNone:
305 UNREACHABLE(); 314 UNREACHABLE();
306 return; 315 return;
307 } 316 }
308 if (g.CanBeImmediate(offset, mode)) { 317 if (g.CanBeImmediate(offset, mode)) {
(...skipping 577 matching lines...) Expand 10 before | Expand all | Expand 10 after
886 #if V8_TARGET_ARCH_S390X 895 #if V8_TARGET_ARCH_S390X
887 void InstructionSelector::VisitWord64Ctz(Node* node) { UNREACHABLE(); } 896 void InstructionSelector::VisitWord64Ctz(Node* node) { UNREACHABLE(); }
888 #endif 897 #endif
889 898
890 void InstructionSelector::VisitWord32ReverseBits(Node* node) { UNREACHABLE(); } 899 void InstructionSelector::VisitWord32ReverseBits(Node* node) { UNREACHABLE(); }
891 900
892 #if V8_TARGET_ARCH_S390X 901 #if V8_TARGET_ARCH_S390X
893 void InstructionSelector::VisitWord64ReverseBits(Node* node) { UNREACHABLE(); } 902 void InstructionSelector::VisitWord64ReverseBits(Node* node) { UNREACHABLE(); }
894 #endif 903 #endif
895 904
905 void InstructionSelector::VisitWord64ReverseBytes(Node* node) {
906 S390OperandGenerator g(this);
907 Emit(kS390_LoadReverse64RR, g.DefineAsRegister(node),
908 g.UseRegister(node->InputAt(0)));
909 }
910
911 void InstructionSelector::VisitWord32ReverseBytes(Node* node) {
912 S390OperandGenerator g(this);
913 NodeMatcher input(node->InputAt(0));
914 if (CanCover(node, input.node()) && input.IsLoad()) {
915 LoadRepresentation load_rep = LoadRepresentationOf(input.node()->op());
916 if (load_rep.representation() == MachineRepresentation::kWord32) {
917 Node* base = input.node()->InputAt(0);
918 Node* offset = input.node()->InputAt(1);
919 Emit(kS390_LoadReverse32 | AddressingModeField::encode(kMode_MRR),
920 // TODO(john.yan): one of the base and offset can be imm.
921 g.DefineAsRegister(node), g.UseRegister(base),
922 g.UseRegister(offset));
923 return;
924 }
925 }
926 Emit(kS390_LoadReverse32RR, g.DefineAsRegister(node),
927 g.UseRegister(node->InputAt(0)));
928 }
929
896 void InstructionSelector::VisitInt32Add(Node* node) { 930 void InstructionSelector::VisitInt32Add(Node* node) {
897 VisitBinop<Int32BinopMatcher>(this, node, kS390_Add, kInt16Imm); 931 VisitBinop<Int32BinopMatcher>(this, node, kS390_Add, kInt16Imm);
898 } 932 }
899 933
900 #if V8_TARGET_ARCH_S390X 934 #if V8_TARGET_ARCH_S390X
901 void InstructionSelector::VisitInt64Add(Node* node) { 935 void InstructionSelector::VisitInt64Add(Node* node) {
902 VisitBinop<Int64BinopMatcher>(this, node, kS390_Add, kInt16Imm); 936 VisitBinop<Int64BinopMatcher>(this, node, kS390_Add, kInt16Imm);
903 } 937 }
904 #endif 938 #endif
905 939
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1890 MachineOperatorBuilder::Flags 1924 MachineOperatorBuilder::Flags
1891 InstructionSelector::SupportedMachineOperatorFlags() { 1925 InstructionSelector::SupportedMachineOperatorFlags() {
1892 return MachineOperatorBuilder::kFloat32RoundDown | 1926 return MachineOperatorBuilder::kFloat32RoundDown |
1893 MachineOperatorBuilder::kFloat64RoundDown | 1927 MachineOperatorBuilder::kFloat64RoundDown |
1894 MachineOperatorBuilder::kFloat32RoundUp | 1928 MachineOperatorBuilder::kFloat32RoundUp |
1895 MachineOperatorBuilder::kFloat64RoundUp | 1929 MachineOperatorBuilder::kFloat64RoundUp |
1896 MachineOperatorBuilder::kFloat32RoundTruncate | 1930 MachineOperatorBuilder::kFloat32RoundTruncate |
1897 MachineOperatorBuilder::kFloat64RoundTruncate | 1931 MachineOperatorBuilder::kFloat64RoundTruncate |
1898 MachineOperatorBuilder::kFloat64RoundTiesAway | 1932 MachineOperatorBuilder::kFloat64RoundTiesAway |
1899 MachineOperatorBuilder::kWord32Popcnt | 1933 MachineOperatorBuilder::kWord32Popcnt |
1934 MachineOperatorBuilder::kWord32ReverseBytes |
1935 MachineOperatorBuilder::kWord64ReverseBytes |
1900 MachineOperatorBuilder::kWord64Popcnt; 1936 MachineOperatorBuilder::kWord64Popcnt;
1901 } 1937 }
1902 1938
1903 // static 1939 // static
1904 MachineOperatorBuilder::AlignmentRequirements 1940 MachineOperatorBuilder::AlignmentRequirements
1905 InstructionSelector::AlignmentRequirements() { 1941 InstructionSelector::AlignmentRequirements() {
1906 return MachineOperatorBuilder::AlignmentRequirements:: 1942 return MachineOperatorBuilder::AlignmentRequirements::
1907 FullUnalignedAccessSupport(); 1943 FullUnalignedAccessSupport();
1908 } 1944 }
1909 1945
1910 } // namespace compiler 1946 } // namespace compiler
1911 } // namespace internal 1947 } // namespace internal
1912 } // namespace v8 1948 } // namespace v8
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