Changeset 165205 in webkit for trunk/Source/JavaScriptCore/offlineasm/arm64.rb

Timestamp:

Mar 6, 2014, 12:16:38 PM (11 years ago)

Author:

[email protected]

Message:

FTL arity fixup should work on ARM64
​https://bugs.webkit.org/show_bug.cgi?id=129810

Reviewed by Michael Saboff.

• Using regT5 to pass the thunk return address to arityFixup is shady since that's a callee-save.

• The FTL path was assuming X86 conventions for where SP points at the top of the prologue.

This makes some more tests pass.

• dfg/DFGJITCompiler.cpp:

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

• ftl/FTLLink.cpp:

(JSC::FTL::link):

• jit/AssemblyHelpers.h:

(JSC::AssemblyHelpers::prologueStackPointerDelta):

• jit/JIT.cpp:

(JSC::JIT::privateCompile):

• jit/ThunkGenerators.cpp:

(JSC::arityFixup):

• llint/LowLevelInterpreter64.asm:
• offlineasm/arm64.rb:
• offlineasm/x86.rb: In addition to the t7 change, make t6 agree with GPRInfo.h.

File:

• trunk/Source/JavaScriptCore/offlineasm/arm64.rb (modified) (2 diffs)

trunk/Source/JavaScriptCore/offlineasm/arm64.rb

@@ -1 @@
-# Copyright (C) 2011, 2012 Apple Inc. All rights reserved.
+# Copyright (C) 2011, 2012, 2014 Apple Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -119 +119 @@
         when 't6'
             arm64GPRName('x6', kind)
+        when 't7'
+            arm64GPRName('x7', kind)
         when 'cfr'
             arm64GPRName('x29', kind)