Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(80)

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

Issue 299373005: Avoid HeapObject check in HStoreNamedField. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Fix condition on arm64. Created 6 years, 7 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « src/arm/lithium-arm.cc ('k') | src/arm/macro-assembler-arm.cc » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: src/arm/lithium-codegen-arm.cc
diff --git a/src/arm/lithium-codegen-arm.cc b/src/arm/lithium-codegen-arm.cc
index b417c801d58f9b31cb0956cba3df95fd0ca58098..5f249c29054db0ba93772dbf902faf6236b5cdcf 100644
--- a/src/arm/lithium-codegen-arm.cc
+++ b/src/arm/lithium-codegen-arm.cc
@@ -4062,23 +4062,12 @@ void LCodeGen::DoStoreNamedField(LStoreNamedField* instr) {
return;
}
- SmiCheck check_needed =
- instr->hydrogen()->value()->IsHeapObject()
- ? OMIT_SMI_CHECK : INLINE_SMI_CHECK;
+ __ AssertNotSmi(object);
- ASSERT(!(representation.IsSmi() &&
- instr->value()->IsConstantOperand() &&
- !IsSmi(LConstantOperand::cast(instr->value()))));
- if (representation.IsHeapObject()) {
- Register value = ToRegister(instr->value());
- if (!instr->hydrogen()->value()->type().IsHeapObject()) {
- __ SmiTst(value);
- DeoptimizeIf(eq, instr->environment());
-
- // We know now that value is not a smi, so we can omit the check below.
- check_needed = OMIT_SMI_CHECK;
- }
- } else if (representation.IsDouble()) {
+ ASSERT(!representation.IsSmi() ||
+ !instr->value()->IsConstantOperand() ||
+ IsSmi(LConstantOperand::cast(instr->value())));
+ if (representation.IsDouble()) {
ASSERT(access.IsInobject());
ASSERT(!instr->hydrogen()->has_transition());
ASSERT(!instr->hydrogen()->NeedsWriteBarrier());
@@ -4120,7 +4109,7 @@ void LCodeGen::DoStoreNamedField(LStoreNamedField* instr) {
GetLinkRegisterState(),
kSaveFPRegs,
EMIT_REMEMBERED_SET,
- check_needed);
+ instr->hydrogen()->SmiCheckForWriteBarrier());
}
} else {
__ ldr(scratch, FieldMemOperand(object, JSObject::kPropertiesOffset));
@@ -4136,7 +4125,7 @@ void LCodeGen::DoStoreNamedField(LStoreNamedField* instr) {
GetLinkRegisterState(),
kSaveFPRegs,
EMIT_REMEMBERED_SET,
- check_needed);
+ instr->hydrogen()->SmiCheckForWriteBarrier());
}
}
}
« no previous file with comments | « src/arm/lithium-arm.cc ('k') | src/arm/macro-assembler-arm.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698