Imported WebKit commit cf4f8fc6f19b0629f51860cb2d4b25e139d07e00 (http://svn.webkit.org/repository/webkit/trunk@131592)

New snapshot that includes the build fixes for Mac OS X 10.6 and earlier as well
as the previously cherry-picked changes

1 files changed, 18 insertions, 13 deletions

diff --git a/Source/JavaScriptCore/llint/LowLevelInterpreter.asm b/Source/JavaScriptCore/llint/LowLevelInterpreter.asm
index e347ccc70..a971abf4f 100644
--- a/Source/JavaScriptCore/llint/LowLevelInterpreter.asm
+++ b/Source/JavaScriptCore/llint/LowLevelInterpreter.asm
@@ -24,7 +24,13 @@
 # First come the common protocols that both interpreters use. Note that each
 # of these must have an ASSERT() in LLIntData.cpp
 
-# These declarations must match interpreter/RegisterFile.h.
+# Work-around for the fact that the toolchain's awareness of armv7s results in
+# a separate slab in the fat binary, yet the offlineasm doesn't know to expect
+# it.
+if ARMv7s
+end
+
+# These declarations must match interpreter/JSStack.h.
 const CallFrameHeaderSize = 48
 const ArgumentCount = -48
 const CallerFrame = -40
@@ -38,7 +44,7 @@ const ThisArgumentOffset = -CallFrameHeaderSize - 8
 # Some register conventions.
 if JSVALUE64
     # - Use a pair of registers to represent the PC: one register for the
-    #   base of the register file, and one register for the index.
+    #   base of the stack, and one register for the index.
     # - The PC base (or PB for short) should be stored in the csr. It will
     #   get clobbered on calls to other JS code, but will get saved on calls
     #   to C functions.
@@ -63,8 +69,10 @@ end
 
 # Constant for reasoning about butterflies.
 const IsArray = 1
-const HasArrayStorage = 8
-const AllArrayTypes = 15
+const IndexingShapeMask = 30
+const ContiguousShape = 26
+const ArrayStorageShape = 28
+const SlowPutArrayStorageShape = 30
 
 # Type constants.
 const StringType = 5
@@ -89,12 +97,8 @@ const LLIntReturnPC = ArgumentCount + TagOffset
 # String flags.
 const HashFlags8BitBuffer = 64
 
-# Property storage constants
-if JSVALUE64
-    const InlineStorageCapacity = 6
-else
-    const InlineStorageCapacity = 7
-end
+# Copied from PropertyOffset.h
+const firstOutOfLineOffset = 100
 
 # Allocation constants
 if JSVALUE64
@@ -319,13 +323,13 @@ macro functionInitialization(profileArgSkip)
     # Check stack height.
     loadi CodeBlock::m_numCalleeRegisters[t1], t0
     loadp CodeBlock::m_globalData[t1], t2
-    loadp JSGlobalData::interpreter[t2], t2   # FIXME: Can get to the RegisterFile from the JITStackFrame
+    loadp JSGlobalData::interpreter[t2], t2   # FIXME: Can get to the JSStack from the JITStackFrame
     lshifti 3, t0
     addp t0, cfr, t0
-    bpaeq Interpreter::m_registerFile + RegisterFile::m_end[t2], t0, .stackHeightOK
+    bpaeq Interpreter::m_stack + JSStack::m_end[t2], t0, .stackHeightOK
 
     # Stack height check failed - need to call a slow_path.
-    callSlowPath(_llint_register_file_check)
+    callSlowPath(_llint_stack_check)
 .stackHeightOK:
 end
 
@@ -910,3 +914,4 @@ _llint_op_put_by_id_transition:
 # Indicate the end of LLInt.
 _llint_end:
     crash()
+