src/arm64/simulator-arm64.cc - Issue 196173021: ARM64: Prevent compilers to optimize away NaN negation in tests.

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Unified Diff: src/arm64/simulator-arm64.cc

Issue 196173021: ARM64: Prevent compilers to optimize away NaN negation in tests. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Patch Set: update status file Created 6 years, 9 months ago

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Index: src/arm64/simulator-arm64.cc

diff --git a/src/arm64/simulator-arm64.cc b/src/arm64/simulator-arm64.cc

index 64376c7875a9c7659a5a5ab2b88c0562befc7359..cd475b40e13b24dcccd14e0414aa3f3ffbd64159 100644

--- a/src/arm64/simulator-arm64.cc

+++ b/src/arm64/simulator-arm64.cc

@@ -2830,7 +2830,6 @@ void Simulator::VisitFPDataProcessing3Source(Instruction* instr) {

unsigned fm = instr->Rm();

unsigned fa = instr->Ra();

- // The C99 (and C++11) fma function performs a fused multiply-accumulate.

switch (instr->Mask(FPDataProcessing3SourceMask)) {

// fd = fa +/- (fn * fm)

case FMADD_s: set_sreg(fd, FPMulAdd(sreg(fa), sreg(fn), sreg(fm))); break;

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