https://bugs.webkit.org/show_bug.cgi?id=116889

Reviewed by Filip Pizlo.

Moved the llint_slow_paths that return JSValue along with several others to CommonSlowPaths.cpp.
Eliminated the related JIT stubs.  Changes the baseline JIT to call these new common stubs.
Added a simple slow path call class that uses argument registers or the stack instead of
JITStackFrame.  Changes the exception mechanism for to check for an exception after making
a slowpath call instead of returning to the handler directly form the slowpath function.

* JavaScriptCore.xcodeproj/project.pbxproj:
* jit/JIT.cpp:
(JSC::JIT::privateCompileMainPass):
* jit/JIT.h:
(JIT):
* jit/JITArithmetic.cpp:
(JSC::JIT::emitSlow_op_negate):
(JSC::JIT::emitSlow_op_lshift):
(JSC::JIT::emitSlow_op_rshift):
(JSC::JIT::emitSlow_op_urshift):
(JSC::JIT::emitSlow_op_bitand):
(JSC::JIT::emitSlow_op_inc):
(JSC::JIT::emitSlow_op_dec):
(JSC::JIT::emitSlow_op_mod):
(JSC::JIT::emit_op_mod):
(JSC::JIT::compileBinaryArithOpSlowCase):
(JSC::JIT::emit_op_add):
(JSC::JIT::emitSlow_op_add):
(JSC::JIT::emitSlow_op_mul):
(JSC::JIT::emitSlow_op_div):
(JSC::JIT::emitSlow_op_sub):
* jit/JITArithmetic32_64.cpp:
(JSC::JIT::emitSlow_op_negate):
(JSC::JIT::emitSlow_op_lshift):
(JSC::JIT::emitRightShiftSlowCase):
(JSC::JIT::emitSlow_op_bitand):
(JSC::JIT::emitSlow_op_bitor):
(JSC::JIT::emitSlow_op_bitxor):
(JSC::JIT::emitSlow_op_inc):
(JSC::JIT::emitSlow_op_dec):
(JSC::JIT::emit_op_add):
(JSC::JIT::emitSlow_op_add):
(JSC::JIT::emitSlow_op_sub):
(JSC::JIT::emitSlow_op_mul):
(JSC::JIT::emitSlow_op_div):
(JSC::JIT::emit_op_mod):
(JSC::JIT::emitSlow_op_mod):
* jit/JITExceptions.cpp:
(JSC::getExceptionLocation):
(JSC::genericThrow):
(JSC::jitThrowNew):
* jit/JITExceptions.h:
(ExceptionHandler):
* jit/JITOpcodes.cpp:
(JSC::JIT::emit_op_strcat):
(JSC::JIT::emitSlow_op_create_this):
(JSC::JIT::emitSlow_op_to_this):
(JSC::JIT::emitSlow_op_to_primitive):
(JSC::JIT::emitSlow_op_not):
(JSC::JIT::emitSlow_op_bitxor):
(JSC::JIT::emitSlow_op_bitor):
(JSC::JIT::emitSlow_op_stricteq):
(JSC::JIT::emitSlow_op_nstricteq):
(JSC::JIT::emitSlow_op_to_number):
* jit/JITOpcodes32_64.cpp:
(JSC::JIT::privateCompileCTINativeCall):
(JSC::JIT::emitSlow_op_to_primitive):
(JSC::JIT::emit_op_strcat):
(JSC::JIT::emitSlow_op_not):
(JSC::JIT::emitSlow_op_stricteq):
(JSC::JIT::emitSlow_op_nstricteq):
(JSC::JIT::emitSlow_op_to_number):
(JSC::JIT::emit_op_create_arguments):
(JSC::JIT::emitSlow_op_create_this):
(JSC::JIT::emitSlow_op_to_this):
(JSC::JIT::emitSlow_op_get_argument_by_val):
* jit/JITStubs.cpp:
(JSC::DEFINE_STUB_FUNCTION):
(JSC::cti_vm_throw_slowpath):
* jit/JITStubs.h:
* jit/JITStubsARM.h:
* jit/JITStubsARMv7.h:
* jit/JITStubsMIPS.h:
* jit/JITStubsSH4.h:
* jit/JITStubsX86.h:
* jit/JITStubsX86_64.h:
* jit/JSInterfaceJIT.h:
(JSInterfaceJIT):
* jit/SlowPathCall.h: Added.
(JITSlowPathCall):
(JSC::JITSlowPathCall::JITSlowPathCall):
(JSC::JITSlowPathCall::call):
* jit/ThunkGenerators.cpp:
(JSC::nativeForGenerator):
* llint/LLIntSlowPaths.cpp:
(LLInt):
* llint/LLIntSlowPaths.h:
(LLInt):
* llint/LowLevelInterpreter.asm:
* llint/LowLevelInterpreter.cpp:
* llint/LowLevelInterpreter32_64.asm:
* llint/LowLevelInterpreter64.asm:
* runtime/CommonSlowPaths.cpp: Added.
(JSC::SLOW_PATH_DECL):
* runtime/CommonSlowPaths.h:
(SlowPathReturnType):
(JSC::encodeResult):
(JSC::decodeResult):
* runtime/JSCJSValue.h:
(JSValue):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@153222 268f45cc-cd09-0410-ab3c-d52691b4dbfc