Changeset 103390 in webkit for trunk/Source/JavaScriptCore/dfg/DFGJITCompiler.cpp

Timestamp:

Dec 20, 2011, 10:01:20 PM (13 years ago)

Author:

[email protected]

Message:

JavaScriptCore should be consistent about how it reads and writes ArgumentCount
​https://bugs.webkit.org/show_bug.cgi?id=74989
<rdar://problem/10612006>

Reviewed by Gavin Barraclough.

• dfg/DFGJITCompiler.cpp:

(JSC::DFG::JITCompiler::compileFunction):

• jit/JIT.cpp:

(JSC::JIT::privateCompile):

• jit/JITCall32_64.cpp:

(JSC::JIT::compileLoadVarargs):

• jit/JITOpcodes32_64.cpp:

(JSC::JIT::emit_op_get_arguments_length):
(JSC::JIT::emit_op_get_argument_by_val):

• jit/SpecializedThunkJIT.h:

(JSC::SpecializedThunkJIT::SpecializedThunkJIT):

File:

• trunk/Source/JavaScriptCore/dfg/DFGJITCompiler.cpp (modified) (1 diff)

trunk/Source/JavaScriptCore/dfg/DFGJITCompiler.cpp

@@ -260 +260 @@
     compileEntry();
 
-    load32(Address(GPRInfo::callFrameRegister, RegisterFile::ArgumentCount * static_cast<int>(sizeof(Register))), GPRInfo::regT1);
+    load32(AssemblyHelpers::payloadFor((VirtualRegister)RegisterFile::ArgumentCount), GPRInfo::regT1);
     branch32(AboveOrEqual, GPRInfo::regT1, Imm32(m_codeBlock->m_numParameters)).linkTo(fromArityCheck, this);
     move(stackPointerRegister, GPRInfo::argumentGPR0);