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Unified Diff: src/compiler/x64/instruction-selector-x64.cc

Issue 1631973003: [turbofan] Fixing IMulHigh, which has a temp. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 11 months ago
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Index: src/compiler/x64/instruction-selector-x64.cc
diff --git a/src/compiler/x64/instruction-selector-x64.cc b/src/compiler/x64/instruction-selector-x64.cc
index f8a49c4968f97975ba1cc0b38bae2db3ffb69b10..5ad656fb6e402af7afd6cf1b0eab6855deec3df5 100644
--- a/src/compiler/x64/instruction-selector-x64.cc
+++ b/src/compiler/x64/instruction-selector-x64.cc
@@ -734,10 +734,11 @@ void VisitMulHigh(InstructionSelector* selector, Node* node,
if (selector->IsLive(left) && !selector->IsLive(right)) {
std::swap(left, right);
}
+ InstructionOperand temps[] = {g.TempRegister(rax)};
// TODO(turbofan): We use UseUniqueRegister here to improve register
// allocation.
selector->Emit(opcode, g.DefineAsFixed(node, rdx), g.UseFixed(left, rax),
- g.UseUniqueRegister(right));
+ g.UseUniqueRegister(right), arraysize(temps), temps);
}
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