src/ia32/lithium-codegen-ia32.cc - Issue 8699004: Shorten FP register pops where possible.

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Unified Diff: src/ia32/lithium-codegen-ia32.cc

Issue 8699004: Shorten FP register pops where possible. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Patch Set: Created 9 years, 1 month ago

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Index: src/ia32/lithium-codegen-ia32.cc

diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc

index 95ad5e0665db740cd1260e55a5d5d1312c199ae4..a1b0bc70fce763b0e9e0b1167707c2c93f80ea55 100644

--- a/src/ia32/lithium-codegen-ia32.cc

+++ b/src/ia32/lithium-codegen-ia32.cc

@@ -3756,8 +3756,7 @@ void LCodeGen::DoDeferredTaggedToI(LTaggedToI* instr) {

__ cmp(Operand(input_reg), Immediate(kTooBigExponent));

__ j(less, &convert, Label::kNear);

// Pop FPU stack before deoptimizing.

- __ ffree(0);

- __ fincstp();

+ __ fstp(0);

DeoptimizeIf(no_condition, instr->environment());

// Reserve space for 64 bit answer.

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