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MIPS: Add infrastructure to automatucally generate IC miss stubs

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Port r14342 (24df6264)

BUG=

Review URL: https://codereview.chromium.org/13896016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14345 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
palfia@homejinni.com 2013-04-18 23:48:42 +00:00
parent 5197ab0548
commit ab695a2bd7
1 changed files with 24 additions and 0 deletions
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24
src/mips/code-stubs-mips.cc
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@ -161,6 +161,30 @@ static void EmitCheckForHeapNumber(MacroAssembler* masm, Register operand,
}
void HydrogenCodeStub::GenerateLightweightMiss(MacroAssembler* masm) {
// Update the static counter each time a new code stub is generated.
Isolate* isolate = masm->isolate();
isolate->counters()->code_stubs()->Increment();
CodeStubInterfaceDescriptor* descriptor = GetInterfaceDescriptor(isolate);
int param_count = descriptor->register_param_count_;
{
// Call the runtime system in a fresh internal frame.
FrameScope scope(masm, StackFrame::INTERNAL);
ASSERT(descriptor->register_param_count_ == 0 ||
a0.is(descriptor->register_params_[param_count - 1]));
// Push arguments
for (int i = 0; i < param_count; ++i) {
__ push(descriptor->register_params_[i]);
}
ExternalReference miss = descriptor->miss_handler_;
__ CallExternalReference(miss, descriptor->register_param_count_);
}
__ Ret();
}
void ToNumberStub::Generate(MacroAssembler* masm) {
// The ToNumber stub takes one argument in a0.
Label check_heap_number, call_builtin;