Changeset 158883 in webkit for trunk/Source/JavaScriptCore/offlineasm/x86.rb

Timestamp:

Nov 7, 2013, 3:45:56 PM (12 years ago)

Author:

[email protected]

Message:

Change CallFrameRegister to architected frame pointer register
​https://bugs.webkit.org/show_bug.cgi?id=123956

Reviewed by Geoffrey Garen.

Changed X86 and ARM variants as well as MIPS to use their respective architected
frame pointer registers. The freed up callFrameRegisteris are made available to
the DFG register allocator. Modified the FTL OSR exit compiler to use a temporary
register as a stand in for the destination callFrameRegister since the FTL frame
pointer register is needed to extract values from the FTL stack.

Reviewed by Geoffrey Garen.

• assembler/ARMAssembler.h:
• assembler/ARMv7Assembler.h:
• assembler/MacroAssemblerMIPS.h:
• ftl/FTLOSRExitCompiler.cpp:

(JSC::FTL::compileStub):

• jit/AssemblyHelpers.h:

(JSC::AssemblyHelpers::addressFor):

• jit/GPRInfo.h:

(JSC::GPRInfo::toRegister):
(JSC::GPRInfo::toIndex):

• jit/JITOperations.cpp:
• jit/JSInterfaceJIT.h:
• jit/ThunkGenerators.cpp:

(JSC::callToJavaScript):

• offlineasm/arm.rb:
• offlineasm/arm64.rb:
• offlineasm/mips.rb:
• offlineasm/x86.rb:

File:

• trunk/Source/JavaScriptCore/offlineasm/x86.rb (modified) (2 diffs)

trunk/Source/JavaScriptCore/offlineasm/x86.rb

@@ -167 +167 @@
                 case kind
                 when :half
-                    "%r13w"
+                    "%bp"
                 when :int
-                    "%r13d"
+                    "%ebp"
                 when :ptr
-                    "%r13"
+                    "%rbp"
                 when :quad
-                    "%r13"
+                    "%rbp"
                 else
                     raise
@@ -179 +179 @@
             else
                 case kind
-                when :byte
-                    "%dil"
                 when :half
-                    "%di"
+                    "%bp"
                 when :int
-                    "%edi"
+                    "%ebp"
                 when :ptr
-                    "%edi"
+                    "%ebp"
                 else
                     raise