diff options
Diffstat (limited to 'chromium/v8/src/compiler/backend/x64/code-generator-x64.cc')
| -rw-r--r-- | chromium/v8/src/compiler/backend/x64/code-generator-x64.cc | 17 |
1 files changed, 1 insertions, 16 deletions
diff --git a/chromium/v8/src/compiler/backend/x64/code-generator-x64.cc b/chromium/v8/src/compiler/backend/x64/code-generator-x64.cc index 3e6819bf506..e0cf602b11e 100644 --- a/chromium/v8/src/compiler/backend/x64/code-generator-x64.cc +++ b/chromium/v8/src/compiler/backend/x64/code-generator-x64.cc @@ -4819,22 +4819,7 @@ void CodeGenerator::AssembleMove(InstructionOperand* source, case MoveType::kStackToRegister: { Operand src = g.ToOperand(source); if (source->IsStackSlot()) { - MachineRepresentation mr = - LocationOperand::cast(source)->representation(); - const bool is_32_bit = mr == MachineRepresentation::kWord32 || - mr == MachineRepresentation::kCompressed || - mr == MachineRepresentation::kCompressedPointer; - // TODO(13581): Fix this for other code kinds (see - // https://crbug.com/1356461). - if (code_kind() == CodeKind::WASM_FUNCTION && is_32_bit) { - // When we need only 32 bits, move only 32 bits. Benefits: - // - Save a byte here and there (depending on the destination - // register; "movl eax, ..." is smaller than "movq rax, ..."). - // - Safeguard against accidental decompression of compressed slots. - __ movl(g.ToRegister(destination), src); - } else { - __ movq(g.ToRegister(destination), src); - } + __ movq(g.ToRegister(destination), src); } else { DCHECK(source->IsFPStackSlot()); XMMRegister dst = g.ToDoubleRegister(destination); |