Ignore:
Timestamp:
Apr 12, 2014, 4:01:33 PM (11 years ago)
Author:
[email protected]
Message:

Math.fround() should be an intrinsic
​https://bugs.webkit.org/show_bug.cgi?id=131583

Source/JavaScriptCore:

Reviewed by Geoffrey Garen.

Makes programs that use Math.fround() run up to 6x faster.

  • dfg/DFGAbstractInterpreterInlines.h:

(JSC::DFG::AbstractInterpreter<AbstractStateType>::executeEffects):

  • dfg/DFGByteCodeParser.cpp:

(JSC::DFG::ByteCodeParser::handleIntrinsic):

  • dfg/DFGCSEPhase.cpp:

(JSC::DFG::CSEPhase::performNodeCSE):

  • dfg/DFGClobberize.h:

(JSC::DFG::clobberize):

  • dfg/DFGFixupPhase.cpp:

(JSC::DFG::FixupPhase::fixupNode):

  • dfg/DFGNodeType.h:
  • dfg/DFGPredictionPropagationPhase.cpp:

(JSC::DFG::PredictionPropagationPhase::propagate):

  • dfg/DFGSafeToExecute.h:

(JSC::DFG::safeToExecute):

  • dfg/DFGSpeculativeJIT32_64.cpp:

(JSC::DFG::SpeculativeJIT::compile):

  • dfg/DFGSpeculativeJIT64.cpp:

(JSC::DFG::SpeculativeJIT::compile):

  • ftl/FTLCapabilities.cpp:

(JSC::FTL::canCompile):

  • ftl/FTLLowerDFGToLLVM.cpp:

(JSC::FTL::LowerDFGToLLVM::compileNode):
(JSC::FTL::LowerDFGToLLVM::compileArithFRound):

  • runtime/Intrinsic.h:
  • runtime/MathObject.cpp:

(JSC::MathObject::finishCreation):

LayoutTests:

Reviewed by Geoffrey Garen.

This test runs 4.4635x faster with the intrinsic.

  • js/regress/fround-expected.txt: Added.
  • js/regress/fround.html: Added.
  • js/regress/script-tests/fround.js: Added.
File:
1 edited

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