Reviewers: danno, Toon Verwaest, Paul Lind, palfia, kisg,
Description:
MIPS: Also support smi in load-ICs.
Port r17756 (12e5896)
BUG=
Please review this at https://codereview.chromium.org/72603006/
SVN Base: https://github.com/v8/v8.git@gbl
Affected files (+9, -1 lines):
M src/mips/stub-cache-mips.cc
Index: src/mips/stub-cache-mips.cc
diff --git a/src/mips/stub-cache-mips.cc b/src/mips/stub-cache-mips.cc
index
5236d8706ae76372f6e3873b52ce2affa10adfd4..29d795d91887b76cb05ab451d1f0943c14cfe0a5
100644
--- a/src/mips/stub-cache-mips.cc
+++ b/src/mips/stub-cache-mips.cc
@@ -3069,16 +3069,24 @@ Handle<Code>
BaseLoadStoreStubCompiler::CompilePolymorphicIC(
GenerateNameCheck(name, this->name(), &miss);
}
- __ JumpIfSmi(receiver(), &miss);
+ Label number_case;
+ Label* smi_target = HasHeapNumberMap(receiver_maps) ? &number_case :
&miss;
+ __ JumpIfSmi(receiver(), smi_target);
+
Register map_reg = scratch1();
int receiver_count = receiver_maps->length();
int number_of_handled_maps = 0;
__ lw(map_reg, FieldMemOperand(receiver(), HeapObject::kMapOffset));
+ Handle<Map> heap_number_map = isolate()->factory()->heap_number_map();
for (int current = 0; current < receiver_count; ++current) {
Handle<Map> map = receiver_maps->at(current);
if (!map->is_deprecated()) {
number_of_handled_maps++;
+ if (map.is_identical_to(heap_number_map)) {
+ ASSERT(!number_case.is_unused());
+ __ bind(&number_case);
+ }
__ Jump(handlers->at(current), RelocInfo::CODE_TARGET,
eq, map_reg, Operand(receiver_maps->at(current)));
}
--
--
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