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Unified Diff: src/arm/full-codegen-arm.cc

Issue 7273066: Simplify EmitCallIC. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 9 years, 6 months ago
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Index: src/arm/full-codegen-arm.cc
===================================================================
--- src/arm/full-codegen-arm.cc (revision 8463)
+++ src/arm/full-codegen-arm.cc (working copy)
@@ -92,17 +92,19 @@
}
void EmitPatchInfo() {
- int delta_to_patch_site = masm_->InstructionsGeneratedSince(&patch_site_);
- Register reg;
- reg.set_code(delta_to_patch_site / kOff12Mask);
- __ cmp_raw_immediate(reg, delta_to_patch_site % kOff12Mask);
+ if (patch_site_.is_bound()) {
+ int delta_to_patch_site = masm_->InstructionsGeneratedSince(&patch_site_);
+ Register reg;
+ reg.set_code(delta_to_patch_site / kOff12Mask);
+ __ cmp_raw_immediate(reg, delta_to_patch_site % kOff12Mask);
#ifdef DEBUG
- info_emitted_ = true;
+ info_emitted_ = true;
#endif
+ } else {
+ __ nop(); // Signals no inlined code.
+ }
}
- bool is_bound() const { return patch_site_.is_bound(); }
-
private:
MacroAssembler* masm_;
Label patch_site_;
@@ -860,7 +862,8 @@
// Record position before stub call for type feedback.
SetSourcePosition(clause->position());
Handle<Code> ic = CompareIC::GetUninitialized(Token::EQ_STRICT);
- EmitCallIC(ic, &patch_site, clause->CompareId());
+ EmitCallIC(ic, RelocInfo::CODE_TARGET, clause->CompareId());
+ patch_site.EmitPatchInfo();
__ cmp(r0, Operand(0));
__ b(ne, &next_test);
@@ -1689,7 +1692,8 @@
__ bind(&stub_call);
BinaryOpStub stub(op, mode);
- EmitCallIC(stub.GetCode(), &patch_site, expr->id());
+ EmitCallIC(stub.GetCode(), RelocInfo::CODE_TARGET, expr->id());
+ patch_site.EmitPatchInfo();
__ jmp(&done);
__ bind(&smi_case);
@@ -1770,7 +1774,9 @@
OverwriteMode mode) {
__ pop(r1);
BinaryOpStub stub(op, mode);
- EmitCallIC(stub.GetCode(), NULL, expr->id());
+ JumpPatchSite patch_site(masm_); // unbound, signals no inlined smi code.
+ EmitCallIC(stub.GetCode(), RelocInfo::CODE_TARGET, expr->id());
+ patch_site.EmitPatchInfo();
context()->Plug(r0);
}
@@ -3853,7 +3859,8 @@
SetSourcePosition(expr->position());
BinaryOpStub stub(Token::ADD, NO_OVERWRITE);
- EmitCallIC(stub.GetCode(), &patch_site, expr->CountId());
+ EmitCallIC(stub.GetCode(), RelocInfo::CODE_TARGET, expr->CountId());
+ patch_site.EmitPatchInfo();
__ bind(&done);
// Store the value returned in r0.
@@ -4126,7 +4133,8 @@
// Record position and call the compare IC.
SetSourcePosition(expr->position());
Handle<Code> ic = CompareIC::GetUninitialized(op);
- EmitCallIC(ic, &patch_site, expr->id());
+ EmitCallIC(ic, RelocInfo::CODE_TARGET, expr->id());
+ patch_site.EmitPatchInfo();
PrepareForBailoutBeforeSplit(TOS_REG, true, if_true, if_false);
__ cmp(r0, Operand(0));
Split(cond, if_true, if_false, fall_through);
@@ -4192,62 +4200,12 @@
unsigned ast_id) {
ASSERT(mode == RelocInfo::CODE_TARGET ||
mode == RelocInfo::CODE_TARGET_CONTEXT);
- Counters* counters = isolate()->counters();
- switch (ic->kind()) {
- case Code::LOAD_IC:
- __ IncrementCounter(counters->named_load_full(), 1, r1, r2);
- break;
- case Code::KEYED_LOAD_IC:
- __ IncrementCounter(counters->keyed_load_full(), 1, r1, r2);
- break;
- case Code::STORE_IC:
- __ IncrementCounter(counters->named_store_full(), 1, r1, r2);
- break;
- case Code::KEYED_STORE_IC:
- __ IncrementCounter(counters->keyed_store_full(), 1, r1, r2);
- default:
- break;
- }
if (ast_id == kNoASTId || mode == RelocInfo::CODE_TARGET_CONTEXT) {
__ Call(ic, mode);
} else {
ASSERT(mode == RelocInfo::CODE_TARGET);
- mode = RelocInfo::CODE_TARGET_WITH_ID;
- __ CallWithAstId(ic, mode, ast_id);
- }
-}
-
-
-void FullCodeGenerator::EmitCallIC(Handle<Code> ic,
- JumpPatchSite* patch_site,
- unsigned ast_id) {
- Counters* counters = isolate()->counters();
- switch (ic->kind()) {
- case Code::LOAD_IC:
- __ IncrementCounter(counters->named_load_full(), 1, r1, r2);
- break;
- case Code::KEYED_LOAD_IC:
- __ IncrementCounter(counters->keyed_load_full(), 1, r1, r2);
- break;
- case Code::STORE_IC:
- __ IncrementCounter(counters->named_store_full(), 1, r1, r2);
- break;
- case Code::KEYED_STORE_IC:
- __ IncrementCounter(counters->keyed_store_full(), 1, r1, r2);
- default:
- break;
- }
-
- if (ast_id == kNoASTId) {
- __ Call(ic, RelocInfo::CODE_TARGET);
- } else {
__ CallWithAstId(ic, RelocInfo::CODE_TARGET_WITH_ID, ast_id);
}
- if (patch_site != NULL && patch_site->is_bound()) {
- patch_site->EmitPatchInfo();
- } else {
- __ nop(); // Signals no inlined code.
- }
}
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