Revision: 19155
Author: [email protected]
Date: Thu Feb 6 13:16:44 2014 UTC
Log: Optimized stores of smis on x64 temporarily disabled.
BUG=338425
LOG=N
[email protected]
Review URL: https://codereview.chromium.org/132753008
http://code.google.com/p/v8/source/detail?r=19155
Modified:
/branches/bleeding_edge/src/flag-definitions.h
/branches/bleeding_edge/src/hydrogen-instructions.h
=======================================
--- /branches/bleeding_edge/src/flag-definitions.h Thu Feb 6 10:30:13 2014
UTC
+++ /branches/bleeding_edge/src/flag-definitions.h Thu Feb 6 13:16:44 2014
UTC
@@ -234,6 +234,7 @@
DEFINE_implication(track_heap_object_fields, track_fields)
DEFINE_implication(track_computed_fields, track_fields)
DEFINE_bool(smi_binop, true, "support smi representation in binary
operations")
+DEFINE_bool(smi_x64_store_opt, false, "optimized stores of smi on x64")
// Flags for optimization types.
DEFINE_bool(optimize_for_size, false,
=======================================
--- /branches/bleeding_edge/src/hydrogen-instructions.h Wed Feb 5 17:21:34
2014 UTC
+++ /branches/bleeding_edge/src/hydrogen-instructions.h Thu Feb 6 13:16:44
2014 UTC
@@ -6541,6 +6541,7 @@
write_barrier_mode_(UPDATE_WRITE_BARRIER),
has_transition_(false),
store_mode_(store_mode) {
+ if (!FLAG_smi_x64_store_opt) store_mode_ = INITIALIZING_STORE;
// Stores to a non existing in-object property are allowed only to the
// newly allocated objects (via HAllocate or HInnerAllocatedObject).
ASSERT(!access.IsInobject() || access.existing_inobject_property() ||
@@ -6729,6 +6730,7 @@
is_uninitialized_(false),
store_mode_(store_mode),
new_space_dominator_(NULL) {
+ if (!FLAG_smi_x64_store_opt) store_mode_ = INITIALIZING_STORE;
SetOperandAt(0, obj);
SetOperandAt(1, key);
SetOperandAt(2, val);
--
--
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