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Ported string call IC-s to x64.

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Review URL: http://codereview.chromium.org/3156045

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5330 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
vitalyr@chromium.org 2010-08-24 13:39:29 +00:00
parent 3543dd53a4
commit 01e0e6c662
1 changed files with 123 additions and 5 deletions
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128
src/x64/stub-cache-x64.cc
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@ -1291,8 +1291,69 @@ Object* CallStubCompiler::CompileStringCharAtCall(Object* object,
JSFunction* function,
String* name,
CheckType check) {
// TODO(722): implement this.
return Heap::undefined_value();
// ----------- S t a t e -------------
// -- rcx : function name
// -- rsp[0] : return address
// -- rsp[(argc - n) * 8] : arg[n] (zero-based)
// -- ...
// -- rsp[(argc + 1) * 8] : receiver
// -----------------------------------
// If object is not a string, bail out to regular call.
if (!object->IsString()) return Heap::undefined_value();
const int argc = arguments().immediate();
Label miss;
Label index_out_of_range;
GenerateNameCheck(name, &miss);
// Check that the maps starting from the prototype haven't changed.
GenerateDirectLoadGlobalFunctionPrototype(masm(),
Context::STRING_FUNCTION_INDEX,
rax);
ASSERT(object != holder);
CheckPrototypes(JSObject::cast(object->GetPrototype()), rax, holder,
rbx, rdx, rdi, name, &miss);
Register receiver = rax;
Register index = rdi;
Register scratch1 = rbx;
Register scratch2 = rdx;
Register result = rax;
__ movq(receiver, Operand(rsp, (argc + 1) * kPointerSize));
if (argc > 0) {
__ movq(index, Operand(rsp, (argc - 0) * kPointerSize));
} else {
__ LoadRoot(index, Heap::kUndefinedValueRootIndex);
}
StringCharAtGenerator char_at_generator(receiver,
index,
scratch1,
scratch2,
result,
&miss, // When not a string.
&miss, // When not a number.
&index_out_of_range,
STRING_INDEX_IS_NUMBER);
char_at_generator.GenerateFast(masm());
__ ret((argc + 1) * kPointerSize);
ICRuntimeCallHelper call_helper;
char_at_generator.GenerateSlow(masm(), call_helper);
__ bind(&index_out_of_range);
__ LoadRoot(rax, Heap::kEmptyStringRootIndex);
__ ret((argc + 1) * kPointerSize);
__ bind(&miss);
Object* obj = GenerateMissBranch();
if (obj->IsFailure()) return obj;
// Return the generated code.
return GetCode(function);
}
@ -1301,10 +1362,67 @@ Object* CallStubCompiler::CompileStringCharCodeAtCall(Object* object,
JSFunction* function,
String* name,
CheckType check) {
// TODO(722): implement this.
return Heap::undefined_value();
}
// ----------- S t a t e -------------
// -- rcx : function name
// -- rsp[0] : return address
// -- rsp[(argc - n) * 8] : arg[n] (zero-based)
// -- ...
// -- rsp[(argc + 1) * 8] : receiver
// -----------------------------------
// If object is not a string, bail out to regular call.
if (!object->IsString()) return Heap::undefined_value();
const int argc = arguments().immediate();
Label miss;
Label index_out_of_range;
GenerateNameCheck(name, &miss);
// Check that the maps starting from the prototype haven't changed.
GenerateDirectLoadGlobalFunctionPrototype(masm(),
Context::STRING_FUNCTION_INDEX,
rax);
ASSERT(object != holder);
CheckPrototypes(JSObject::cast(object->GetPrototype()), rax, holder,
rbx, rdx, rdi, name, &miss);
Register receiver = rbx;
Register index = rdi;
Register scratch = rdx;
Register result = rax;
__ movq(receiver, Operand(rsp, (argc + 1) * kPointerSize));
if (argc > 0) {
__ movq(index, Operand(rsp, (argc - 0) * kPointerSize));
} else {
__ LoadRoot(index, Heap::kUndefinedValueRootIndex);
}
StringCharCodeAtGenerator char_code_at_generator(receiver,
index,
scratch,
result,
&miss, // When not a string.
&miss, // When not a number.
&index_out_of_range,
STRING_INDEX_IS_NUMBER);
char_code_at_generator.GenerateFast(masm());
__ ret((argc + 1) * kPointerSize);
ICRuntimeCallHelper call_helper;
char_code_at_generator.GenerateSlow(masm(), call_helper);
__ bind(&index_out_of_range);
__ LoadRoot(rax, Heap::kNanValueRootIndex);
__ ret((argc + 1) * kPointerSize);
__ bind(&miss);
Object* obj = GenerateMissBranch();
if (obj->IsFailure()) return obj;
// Return the generated code.
return GetCode(function);
}
Object* CallStubCompiler::CompileCallInterceptor(JSObject* object,