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Unified Diff: src/arm/code-stubs-arm.cc

Issue 23619036: Reland "Clean up after r16292 (disable optimization for StringWrappers)." (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: fix bug Created 7 years, 3 months ago
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Index: src/arm/code-stubs-arm.cc
diff --git a/src/arm/code-stubs-arm.cc b/src/arm/code-stubs-arm.cc
index 3a1d1282a6bc65d5fc0a77d648d9a4be2c2491e4..8ec05910a53ba541b50f494210625966e60632d4 100644
--- a/src/arm/code-stubs-arm.cc
+++ b/src/arm/code-stubs-arm.cc
@@ -5790,7 +5790,6 @@ void StringAddStub::GenerateConvertArgument(MacroAssembler* masm,
__ b(lt, &done);
// Check the number to string cache.
- Label not_cached;
__ bind(&not_string);
// Puts the cached result into scratch1.
NumberToStringStub::GenerateLookupNumberStringCache(masm,
@@ -5799,26 +5798,9 @@ void StringAddStub::GenerateConvertArgument(MacroAssembler* masm,
scratch2,
scratch3,
scratch4,
- &not_cached);
+ slow);
__ mov(arg, scratch1);
__ str(arg, MemOperand(sp, stack_offset));
- __ jmp(&done);
-
- // Check if the argument is a safe string wrapper.
- __ bind(&not_cached);
- __ JumpIfSmi(arg, slow);
- __ CompareObjectType(
- arg, scratch1, scratch2, JS_VALUE_TYPE); // map -> scratch1.
- __ b(ne, slow);
- __ ldrb(scratch2, FieldMemOperand(scratch1, Map::kBitField2Offset));
- __ and_(scratch2,
- scratch2, Operand(1 << Map::kStringWrapperSafeForDefaultValueOf));
- __ cmp(scratch2,
- Operand(1 << Map::kStringWrapperSafeForDefaultValueOf));
- __ b(ne, slow);
- __ ldr(arg, FieldMemOperand(arg, JSValue::kValueOffset));
- __ str(arg, MemOperand(sp, stack_offset));
-
__ bind(&done);
}
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