Changeset 112192 in webkit for trunk/Source/JavaScriptCore/jit/JIT.h

Timestamp:

Mar 26, 2012, 7:03:47 PM (13 years ago)

Author:

[email protected]

Message:

Unaligned userspace access for SH4 platforms
​https://bugs.webkit.org/show_bug.cgi?id=79104

Patch by Thouraya ANDOLSI <​[email protected]> on 2012-03-26
Reviewed by Gavin Barraclough.

• assembler/AbstractMacroAssembler.h:

(Jump):
(JSC::AbstractMacroAssembler::Jump::Jump):
(JSC::AbstractMacroAssembler::Jump::link):

• assembler/MacroAssemblerSH4.h:

(JSC::MacroAssemblerSH4::load16Unaligned):
(JSC::MacroAssemblerSH4::load32WithUnalignedHalfWords):
(JSC::MacroAssemblerSH4::branchDouble):
(JSC::MacroAssemblerSH4::branchTrue):
(JSC::MacroAssemblerSH4::branchFalse):

• assembler/SH4Assembler.h:

(JSC::SH4Assembler::extraInstrForBranch):
(SH4Assembler):
(JSC::SH4Assembler::bra):
(JSC::SH4Assembler::linkJump):

• jit/JIT.h:

(JIT):

• yarr/YarrJIT.cpp:

(JSC::Yarr::YarrGenerator::generatePatternCharacterOnce):

File:

• trunk/Source/JavaScriptCore/jit/JIT.h (modified) (2 diffs)

trunk/Source/JavaScriptCore/jit/JIT.h

@@ -553 +553 @@
         static const int sequenceGetByIdHotPathConstantSpace = 5;
         // sequenceGetByIdSlowCase
-        static const int sequenceGetByIdSlowCaseInstructionSpace = 30;
-        static const int sequenceGetByIdSlowCaseConstantSpace = 3;
+        static const int sequenceGetByIdSlowCaseInstructionSpace = 38;
+        static const int sequenceGetByIdSlowCaseConstantSpace = 4;
         // sequencePutById
         static const int sequencePutByIdInstructionSpace = 36;
@@ -568 +568 @@
         static const int patchOffsetGetByIdSlowCaseCall = 0; // FIMXE
 #else
-        static const int patchOffsetGetByIdSlowCaseCall = 26;
+        static const int patchOffsetGetByIdSlowCaseCall = 34;
 #endif
         static const int patchOffsetOpCallCompareToJump = 4;