commit 723ba02e5845d86970598f656118ec44af366f6c
author zoltan@webkit.org <zoltan@webkit.org@268f45cc-cd09-0410-ab3c-d52691b4dbfc> Sat Nov 14 01:07:01 2009 +0000
committer zoltan@webkit.org <zoltan@webkit.org@268f45cc-cd09-0410-ab3c-d52691b4dbfc> Sat Nov 14 01:07:01 2009 +0000
tree 58bf15a9187146ca287629b51e1d8f9b915b13c6
parent 1916f847efc6144c9308c804f86b388fca57d01b

https://bugs.webkit.org/show_bug.cgi?id=31050

Patch by Zoltan Herczeg <zherczeg@inf.u-szeged.hu> on 2009-11-13
Reviewed by Gavin Barraclough.

Adding optimization support for mode JSVALUE32_64
on ARM systems.

* jit/JIT.h:
* jit/JITCall.cpp:
(JSC::JIT::compileOpCall):
* jit/JITPropertyAccess.cpp:
(JSC::JIT::emit_op_method_check):
(JSC::JIT::compileGetByIdHotPath):
(JSC::JIT::compileGetByIdSlowCase):
(JSC::JIT::emit_op_put_by_id):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@50982 268f45cc-cd09-0410-ab3c-d52691b4dbfc

JavaScriptCore/jit/JIT.h

diff --git a/JavaScriptCore/jit/JIT.h b/JavaScriptCore/jit/JIT.h
index ea64605..c59a2fa 100644
--- a/JavaScriptCore/jit/JIT.h
+++ b/JavaScriptCore/jit/JIT.h
@@ -466,7 +466,46 @@
         static const int patchOffsetMethodCheckProtoStruct = 18;
         static const int patchOffsetMethodCheckPutFunction = 29;
 #elif PLATFORM(ARM_TRADITIONAL)
-// patchOffset... values should go here; JIT optimizations currently not supported on ARM with JSVALUE32_64.
+        // These architecture specific value are used to enable patching - see comment on op_put_by_id.
+        static const int patchOffsetPutByIdStructure = 4;
+        static const int patchOffsetPutByIdExternalLoad = 16;
+        static const int patchLengthPutByIdExternalLoad = 4;
+        static const int patchOffsetPutByIdPropertyMapOffset1 = 20;
+        static const int patchOffsetPutByIdPropertyMapOffset2 = 28;
+        // These architecture specific value are used to enable patching - see comment on op_get_by_id.
+        static const int patchOffsetGetByIdStructure = 4;
+        static const int patchOffsetGetByIdBranchToSlowCase = 16;
+        static const int patchOffsetGetByIdExternalLoad = 16;
+        static const int patchLengthGetByIdExternalLoad = 4;
+        static const int patchOffsetGetByIdPropertyMapOffset1 = 20;
+        static const int patchOffsetGetByIdPropertyMapOffset2 = 28;
+        static const int patchOffsetGetByIdPutResult = 36;
+#if ENABLE(OPCODE_SAMPLING)
+        #error "OPCODE_SAMPLING is not yet supported"
+#else
+        static const int patchOffsetGetByIdSlowCaseCall = 32;
+#endif
+        static const int patchOffsetOpCallCompareToJump = 12;
+
+        static const int patchOffsetMethodCheckProtoObj = 12;
+        static const int patchOffsetMethodCheckProtoStruct = 20;
+        static const int patchOffsetMethodCheckPutFunction = 32;
+
+        // sequenceOpCall
+        static const int sequenceOpCallInstructionSpace = 12;
+        static const int sequenceOpCallConstantSpace = 2;
+        // sequenceMethodCheck
+        static const int sequenceMethodCheckInstructionSpace = 40;
+        static const int sequenceMethodCheckConstantSpace = 6;
+        // sequenceGetByIdHotPath
+        static const int sequenceGetByIdHotPathInstructionSpace = 36;
+        static const int sequenceGetByIdHotPathConstantSpace = 4;
+        // sequenceGetByIdSlowCase
+        static const int sequenceGetByIdSlowCaseInstructionSpace = 40;
+        static const int sequenceGetByIdSlowCaseConstantSpace = 2;
+        // sequencePutById
+        static const int sequencePutByIdInstructionSpace = 36;
+        static const int sequencePutByIdConstantSpace = 4;
 #else
 #error "JSVALUE32_64 not supported on this platform."
 #endif
@@ -631,10 +670,7 @@
         static const int patchOffsetMethodCheckProtoObj = 12;
         static const int patchOffsetMethodCheckProtoStruct = 20;
         static const int patchOffsetMethodCheckPutFunction = 32;
-#endif
-#endif // USE(JSVALUE32_64)
 
-#if PLATFORM(ARM_TRADITIONAL)
         // sequenceOpCall
         static const int sequenceOpCallInstructionSpace = 12;
         static const int sequenceOpCallConstantSpace = 2;
@@ -651,6 +687,7 @@
         static const int sequencePutByIdInstructionSpace = 28;
         static const int sequencePutByIdConstantSpace = 3;
 #endif
+#endif // USE(JSVALUE32_64)
 
 #if defined(ASSEMBLER_HAS_CONSTANT_POOL) && ASSEMBLER_HAS_CONSTANT_POOL
 #define BEGIN_UNINTERRUPTED_SEQUENCE(name) beginUninterruptedSequence(name ## InstructionSpace, name ## ConstantSpace)