Changeset 230098 in webkit for trunk/Source/JavaScriptCore/b3/B3ReduceStrength.cpp

Timestamp:

Mar 29, 2018, 10:13:32 PM (7 years ago)

Author:

[email protected]

Message:

Add some pointer profiling support to B3 and Air.
​https://bugs.webkit.org/show_bug.cgi?id=184165
<rdar://problem/39022125>

Reviewed by JF Bastien.

• b3/B3LowerMacros.cpp:
• b3/B3LowerMacrosAfterOptimizations.cpp:
• b3/B3MathExtras.cpp:
• b3/B3ReduceStrength.cpp:
• b3/air/AirCCallSpecial.cpp:

(JSC::B3::Air::CCallSpecial::generate):

• b3/air/AirCCallSpecial.h:
• b3/testb3.cpp:

(JSC::B3::testCallSimple):
(JSC::B3::testCallRare):
(JSC::B3::testCallRareLive):
(JSC::B3::testCallSimplePure):
(JSC::B3::testCallFunctionWithHellaArguments):
(JSC::B3::testCallFunctionWithHellaArguments2):
(JSC::B3::testCallFunctionWithHellaArguments3):
(JSC::B3::testCallSimpleDouble):
(JSC::B3::testCallSimpleFloat):
(JSC::B3::testCallFunctionWithHellaDoubleArguments):
(JSC::B3::testCallFunctionWithHellaFloatArguments):
(JSC::B3::testLinearScanWithCalleeOnStack):
(JSC::B3::testInterpreter):
(JSC::B3::testLICMPure):
(JSC::B3::testLICMPureSideExits):
(JSC::B3::testLICMPureWritesPinned):
(JSC::B3::testLICMPureWrites):
(JSC::B3::testLICMReadsLocalState):
(JSC::B3::testLICMReadsPinned):
(JSC::B3::testLICMReads):
(JSC::B3::testLICMPureNotBackwardsDominant):
(JSC::B3::testLICMPureFoiledByChild):
(JSC::B3::testLICMPureNotBackwardsDominantFoiledByChild):
(JSC::B3::testLICMExitsSideways):
(JSC::B3::testLICMWritesLocalState):
(JSC::B3::testLICMWrites):
(JSC::B3::testLICMFence):
(JSC::B3::testLICMWritesPinned):
(JSC::B3::testLICMControlDependent):
(JSC::B3::testLICMControlDependentNotBackwardsDominant):
(JSC::B3::testLICMControlDependentSideExits):
(JSC::B3::testLICMReadsPinnedWritesPinned):
(JSC::B3::testLICMReadsWritesDifferentHeaps):
(JSC::B3::testLICMReadsWritesOverlappingHeaps):
(JSC::B3::testLICMDefaultCall):
(JSC::B3::testShuffleDoesntTrashCalleeSaves):

• ftl/FTLLowerDFGToB3.cpp:

(JSC::FTL::DFG::LowerDFGToB3::compileCallOrConstructVarargsSpread):
(JSC::FTL::DFG::LowerDFGToB3::compileCallOrConstructVarargs):
(JSC::FTL::DFG::LowerDFGToB3::compileCallEval):

• jit/GPRInfo.h:
• runtime/PtrTag.h:
• wasm/WasmBinding.cpp:

(JSC::Wasm::wasmToWasm):

File:

• trunk/Source/JavaScriptCore/b3/B3ReduceStrength.cpp (modified) (2 diffs)

trunk/Source/JavaScriptCore/b3/B3ReduceStrength.cpp

@@ -1 +1 @@
 /*
- * Copyright (C) 2015-2017 Apple Inc. All rights reserved.
+ * Copyright (C) 2015-2018 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -1600 +1600 @@
             // Turn this: Call(fmod, constant1, constant2)
             // Into this: fcall-constant(constant1, constant2)
-            double(*fmodDouble)(double, double) = fmod;
+            auto* fmodDouble = tagCFunctionPtr<double (*)(double, double)>(fmod, B3CCallPtrTag);
             if (m_value->type() == Double
                 && m_value->numChildren() == 3