Reviewers: Søren Gjesse,
Description:
MIPS: port Fix receiver check in arguments ICs.
Ported r8429 (60a2787)
BUG=
TEST=
Please review this at http://codereview.chromium.org/7276027/
Affected files:
M src/mips/ic-mips.cc
Index: src/mips/ic-mips.cc
diff --git a/src/mips/ic-mips.cc b/src/mips/ic-mips.cc
index
36d71151418b4d35c03076c5f4e13c511b26404d..cbae8e46e6e37a66a10a7bff7bc5633cab5b5e74
100644
--- a/src/mips/ic-mips.cc
+++ b/src/mips/ic-mips.cc
@@ -903,8 +903,13 @@ static MemOperand
GenerateMappedArgumentsLookup(MacroAssembler* masm,
Label* slow_case) {
Heap* heap = masm->isolate()->heap();
- // Check that the receiver isn't a smi.
+ // Check that the receiver is a JSObject. Because of the map check
+ // later, we do not need to check for interceptors or whether it
+ // requires access checks.
__ JumpIfSmi(object, slow_case);
+ // Check that the object is some kind of JSObject.
+ __ GetObjectType(object, scratch1, scratch2);
+ __ Branch(slow_case, lt, scratch2, Operand(FIRST_JS_RECEIVER_TYPE));
// Check that the key is a positive smi.
__ And(scratch1, key, Operand(0x8000001));
--
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