src/crankshaft/mips64/lithium-codegen-mips64.cc - Issue 2285703002: MIPS: Use neg instruction in r6

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Unified Diff: src/crankshaft/mips64/lithium-codegen-mips64.cc

Issue 2285703002: MIPS: Use neg instruction in r6 (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master

Patch Set: Created 4 years, 4 months ago

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Index: src/crankshaft/mips64/lithium-codegen-mips64.cc

diff --git a/src/crankshaft/mips64/lithium-codegen-mips64.cc b/src/crankshaft/mips64/lithium-codegen-mips64.cc

index e2381af1446fa1a6689869193390638a3895d019..e564ff7f0db14a0d6304bbbd632c7f3947999122 100644

--- a/src/crankshaft/mips64/lithium-codegen-mips64.cc

+++ b/src/crankshaft/mips64/lithium-codegen-mips64.cc

@@ -3649,7 +3649,9 @@ void LCodeGen::DoMathPowHalf(LMathPowHalf* instr) {

// Math.sqrt(-Infinity) == NaN

Label done;

__ Move(temp, static_cast<double>(-V8_INFINITY));

+ // Set up Infinity.

__ Neg_d(result, temp);

+ // result is overwritten if the branch is not taken.

__ BranchF(&done, NULL, eq, temp, input);

// Add +0 to convert -0 to +0.

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