Reviewers: danno, Toon Verwaest, Paul Lind, palfia, kisg,
Description:
MIPS: Assign less environments.
Port r14983 (960d6de)
BUG=
Please review this at https://codereview.chromium.org/16567002/
SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge
Affected files:
M src/mips/lithium-mips.cc
Index: src/mips/lithium-mips.cc
diff --git a/src/mips/lithium-mips.cc b/src/mips/lithium-mips.cc
index
2247e7c3ef0f2af28d9b92e09b9b5a8698fc31e0..be3279f575e160c15092f2e86ec61437f400d652
100644
--- a/src/mips/lithium-mips.cc
+++ b/src/mips/lithium-mips.cc
@@ -2229,10 +2229,11 @@ LInstruction*
LChunkBuilder::DoStoreNamedField(HStoreNamedField* instr) {
LOperand* temp = needs_write_barrier_for_map ? TempRegister() : NULL;
LStoreNamedField* result = new(zone()) LStoreNamedField(obj, val, temp);
- if ((FLAG_track_fields && instr->field_representation().IsSmi()) ||
- (FLAG_track_heap_object_fields &&
- instr->field_representation().IsHeapObject())) {
- return AssignEnvironment(result);
+ if (FLAG_track_heap_object_fields &&
+ instr->field_representation().IsHeapObject()) {
+ if (!instr->value()->type().IsHeapObject()) {
+ return AssignEnvironment(result);
+ }
}
return result;
}
--
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