Reviewers: Weiliang,
Message:
PTAL
Description:
X87: [turbofan] Fix stack->stack double moves for pushing on ia32 and x64.
port d0bacc61e6930d97888bf747a76bcfa329995847 (r30235).
original commit message:
BUG=
Please review this at https://codereview.chromium.org/1286123008/
Base URL: https://chromium.googlesource.com/v8/v8.git@master
Affected files (+4, -1 lines):
M src/compiler/x87/instruction-selector-x87.cc
Index: src/compiler/x87/instruction-selector-x87.cc
diff --git a/src/compiler/x87/instruction-selector-x87.cc
b/src/compiler/x87/instruction-selector-x87.cc
index
04a7d5a09af40ebb8787c354b7e702ceaee64654..446969c664eaf9839ad81bdbe625a8daa4d85f5b
100644
--- a/src/compiler/x87/instruction-selector-x87.cc
+++ b/src/compiler/x87/instruction-selector-x87.cc
@@ -856,7 +856,10 @@ void InstructionSelector::VisitCall(Node* node,
BasicBlock* handler) {
InstructionOperand value =
g.CanBeImmediate(input)
? g.UseImmediate(input)
- : IsSupported(ATOM) ? g.UseRegister(input) : g.Use(input);
+ : IsSupported(ATOM) ||
+ sequence()->IsFloat(GetVirtualRegister(input))
+ ? g.UseRegister(input)
+ : g.Use(input);
Emit(kX87Push, g.NoOutput(), value);
}
}
--
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