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Optimized stores of smis on x64 temporarily disabled.

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BUG=338425
LOG=N
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/132753008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19155 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
ishell@chromium.org 2014-02-06 13:16:44 +00:00
parent 42ea494cd6
commit a26bd05be3
2 changed files with 3 additions and 0 deletions
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1
src/flag-definitions.h
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@ -234,6 +234,7 @@ DEFINE_implication(track_double_fields, track_fields)
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,

2
src/hydrogen-instructions.h
View File

@ -6541,6 +6541,7 @@ class HStoreNamedField V8_FINAL : public HTemplateInstruction<3> {
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 @@ class HStoreKeyed V8_FINAL
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);