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Diffstat (limited to 'deps/v8/src/wasm/baseline/mips64/liftoff-assembler-mips64.h')
-rw-r--r--deps/v8/src/wasm/baseline/mips64/liftoff-assembler-mips64.h221
1 files changed, 111 insertions, 110 deletions
diff --git a/deps/v8/src/wasm/baseline/mips64/liftoff-assembler-mips64.h b/deps/v8/src/wasm/baseline/mips64/liftoff-assembler-mips64.h
index fdbbe0f7d4..4bbfc18251 100644
--- a/deps/v8/src/wasm/baseline/mips64/liftoff-assembler-mips64.h
+++ b/deps/v8/src/wasm/baseline/mips64/liftoff-assembler-mips64.h
@@ -88,6 +88,115 @@ inline void push(LiftoffAssembler* assm, LiftoffRegister reg, ValueType type) {
}
}
+#if defined(V8_TARGET_BIG_ENDIAN)
+inline void ChangeEndiannessLoad(LiftoffAssembler* assm, LiftoffRegister dst,
+ LoadType type, LiftoffRegList pinned) {
+ bool is_float = false;
+ LiftoffRegister tmp = dst;
+ switch (type.value()) {
+ case LoadType::kI64Load8U:
+ case LoadType::kI64Load8S:
+ case LoadType::kI32Load8U:
+ case LoadType::kI32Load8S:
+ // No need to change endianness for byte size.
+ return;
+ case LoadType::kF32Load:
+ is_float = true;
+ tmp = assm->GetUnusedRegister(kGpReg, pinned);
+ assm->emit_type_conversion(kExprI32ReinterpretF32, tmp, dst);
+ V8_FALLTHROUGH;
+ case LoadType::kI64Load32U:
+ assm->TurboAssembler::ByteSwapUnsigned(tmp.gp(), tmp.gp(), 4);
+ assm->dsrl32(tmp.gp(), tmp.gp(), 0);
+ break;
+ case LoadType::kI32Load:
+ case LoadType::kI64Load32S:
+ assm->TurboAssembler::ByteSwapSigned(tmp.gp(), tmp.gp(), 4);
+ assm->dsra32(tmp.gp(), tmp.gp(), 0);
+ break;
+ case LoadType::kI32Load16S:
+ case LoadType::kI64Load16S:
+ assm->TurboAssembler::ByteSwapSigned(tmp.gp(), tmp.gp(), 2);
+ assm->dsra32(tmp.gp(), tmp.gp(), 0);
+ break;
+ case LoadType::kI32Load16U:
+ case LoadType::kI64Load16U:
+ assm->TurboAssembler::ByteSwapUnsigned(tmp.gp(), tmp.gp(), 2);
+ assm->dsrl32(tmp.gp(), tmp.gp(), 0);
+ break;
+ case LoadType::kF64Load:
+ is_float = true;
+ tmp = assm->GetUnusedRegister(kGpReg, pinned);
+ assm->emit_type_conversion(kExprI64ReinterpretF64, tmp, dst);
+ V8_FALLTHROUGH;
+ case LoadType::kI64Load:
+ assm->TurboAssembler::ByteSwapSigned(tmp.gp(), tmp.gp(), 8);
+ break;
+ default:
+ UNREACHABLE();
+ }
+
+ if (is_float) {
+ switch (type.value()) {
+ case LoadType::kF32Load:
+ assm->emit_type_conversion(kExprF32ReinterpretI32, dst, tmp);
+ break;
+ case LoadType::kF64Load:
+ assm->emit_type_conversion(kExprF64ReinterpretI64, dst, tmp);
+ break;
+ default:
+ UNREACHABLE();
+ }
+ }
+}
+
+inline void ChangeEndiannessStore(LiftoffAssembler* assm, LiftoffRegister src,
+ StoreType type, LiftoffRegList pinned) {
+ bool is_float = false;
+ LiftoffRegister tmp = src;
+ switch (type.value()) {
+ case StoreType::kI64Store8:
+ case StoreType::kI32Store8:
+ // No need to change endianness for byte size.
+ return;
+ case StoreType::kF32Store:
+ is_float = true;
+ tmp = assm->GetUnusedRegister(kGpReg, pinned);
+ assm->emit_type_conversion(kExprI32ReinterpretF32, tmp, src);
+ V8_FALLTHROUGH;
+ case StoreType::kI32Store:
+ case StoreType::kI32Store16:
+ assm->TurboAssembler::ByteSwapSigned(tmp.gp(), tmp.gp(), 4);
+ break;
+ case StoreType::kF64Store:
+ is_float = true;
+ tmp = assm->GetUnusedRegister(kGpReg, pinned);
+ assm->emit_type_conversion(kExprI64ReinterpretF64, tmp, src);
+ V8_FALLTHROUGH;
+ case StoreType::kI64Store:
+ case StoreType::kI64Store32:
+ case StoreType::kI64Store16:
+ assm->TurboAssembler::ByteSwapSigned(tmp.gp(), tmp.gp(), 8);
+ break;
+ default:
+ UNREACHABLE();
+ }
+
+ if (is_float) {
+ switch (type.value()) {
+ case StoreType::kF32Store:
+ assm->emit_type_conversion(kExprF32ReinterpretI32, src, tmp);
+ break;
+ case StoreType::kF64Store:
+ assm->emit_type_conversion(kExprF64ReinterpretI64, src, tmp);
+ break;
+ default:
+ UNREACHABLE();
+ }
+ }
+}
+#endif // V8_TARGET_BIG_ENDIAN
+
} // namespace liftoff
int LiftoffAssembler::PrepareStackFrame() {
@@ -212,7 +321,7 @@ void LiftoffAssembler::Load(LiftoffRegister dst, Register src_addr,
#if defined(V8_TARGET_BIG_ENDIAN)
if (is_load_mem) {
- ChangeEndiannessLoad(dst, type, pinned);
+ liftoff::ChangeEndiannessLoad(this, dst, type, pinned);
}
#endif
}
@@ -237,7 +346,7 @@ void LiftoffAssembler::Store(Register dst_addr, Register offset_reg,
src = tmp;
pinned.set(tmp);
- ChangeEndiannessStore(src, type, pinned);
+ liftoff::ChangeEndiannessStore(this, src, type, pinned);
}
#endif
@@ -269,114 +378,6 @@ void LiftoffAssembler::Store(Register dst_addr, Register offset_reg,
}
}
-void LiftoffAssembler::ChangeEndiannessLoad(LiftoffRegister dst, LoadType type,
- LiftoffRegList pinned) {
- bool is_float = false;
- LiftoffRegister tmp = dst;
- switch (type.value()) {
- case LoadType::kI64Load8U:
- case LoadType::kI64Load8S:
- case LoadType::kI32Load8U:
- case LoadType::kI32Load8S:
- // No need to change endianness for byte size.
- return;
- case LoadType::kF32Load:
- is_float = true;
- tmp = GetUnusedRegister(kGpReg, pinned);
- emit_type_conversion(kExprI32ReinterpretF32, tmp, dst);
- V8_FALLTHROUGH;
- case LoadType::kI64Load32U:
- TurboAssembler::ByteSwapUnsigned(tmp.gp(), tmp.gp(), 4);
- dsrl32(tmp.gp(), tmp.gp(), 0);
- break;
- case LoadType::kI32Load:
- case LoadType::kI64Load32S:
- TurboAssembler::ByteSwapSigned(tmp.gp(), tmp.gp(), 4);
- dsra32(tmp.gp(), tmp.gp(), 0);
- break;
- case LoadType::kI32Load16S:
- case LoadType::kI64Load16S:
- TurboAssembler::ByteSwapSigned(tmp.gp(), tmp.gp(), 2);
- dsra32(tmp.gp(), tmp.gp(), 0);
- break;
- case LoadType::kI32Load16U:
- case LoadType::kI64Load16U:
- TurboAssembler::ByteSwapUnsigned(tmp.gp(), tmp.gp(), 2);
- dsrl32(tmp.gp(), tmp.gp(), 0);
- break;
- case LoadType::kF64Load:
- is_float = true;
- tmp = GetUnusedRegister(kGpReg, pinned);
- emit_type_conversion(kExprI64ReinterpretF64, tmp, dst);
- V8_FALLTHROUGH;
- case LoadType::kI64Load:
- TurboAssembler::ByteSwapSigned(tmp.gp(), tmp.gp(), 8);
- break;
- default:
- UNREACHABLE();
- }
-
- if (is_float) {
- switch (type.value()) {
- case LoadType::kF32Load:
- emit_type_conversion(kExprF32ReinterpretI32, dst, tmp);
- break;
- case LoadType::kF64Load:
- emit_type_conversion(kExprF64ReinterpretI64, dst, tmp);
- break;
- default:
- UNREACHABLE();
- }
- }
-}
-
-void LiftoffAssembler::ChangeEndiannessStore(LiftoffRegister src,
- StoreType type,
- LiftoffRegList pinned) {
- bool is_float = false;
- LiftoffRegister tmp = src;
- switch (type.value()) {
- case StoreType::kI64Store8:
- case StoreType::kI32Store8:
- // No need to change endianness for byte size.
- return;
- case StoreType::kF32Store:
- is_float = true;
- tmp = GetUnusedRegister(kGpReg, pinned);
- emit_type_conversion(kExprI32ReinterpretF32, tmp, src);
- V8_FALLTHROUGH;
- case StoreType::kI32Store:
- case StoreType::kI32Store16:
- TurboAssembler::ByteSwapSigned(tmp.gp(), tmp.gp(), 4);
- break;
- case StoreType::kF64Store:
- is_float = true;
- tmp = GetUnusedRegister(kGpReg, pinned);
- emit_type_conversion(kExprI64ReinterpretF64, tmp, src);
- V8_FALLTHROUGH;
- case StoreType::kI64Store:
- case StoreType::kI64Store32:
- case StoreType::kI64Store16:
- TurboAssembler::ByteSwapSigned(tmp.gp(), tmp.gp(), 8);
- break;
- default:
- UNREACHABLE();
- }
-
- if (is_float) {
- switch (type.value()) {
- case StoreType::kF32Store:
- emit_type_conversion(kExprF32ReinterpretI32, src, tmp);
- break;
- case StoreType::kF64Store:
- emit_type_conversion(kExprF64ReinterpretI64, src, tmp);
- break;
- default:
- UNREACHABLE();
- }
- }
-}
-
void LiftoffAssembler::LoadCallerFrameSlot(LiftoffRegister dst,
uint32_t caller_slot_idx,
ValueType type) {
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-19 09:38:28 +0000