Revision: 18332
Author: [email protected]
Date: Wed Dec 18 04:27:48 2013 UTC
Log: Make offsets to inner allocated objects aligned in allocation
folding.
Folded allocations marked for double alignment is not aligned if old
dominator
size is used for offset to inner object.
TEST=mjsunit/big-array-literal on MIPS
BUG=
[email protected]
Review URL: https://codereview.chromium.org/103963005
Patch from Dusan Milosavljevic <[email protected]>.
http://code.google.com/p/v8/source/detail?r=18332
Modified:
/branches/bleeding_edge/src/hydrogen-instructions.cc
=======================================
--- /branches/bleeding_edge/src/hydrogen-instructions.cc Mon Dec 9
10:15:19 2013 UTC
+++ /branches/bleeding_edge/src/hydrogen-instructions.cc Wed Dec 18
04:27:48 2013 UTC
@@ -3495,11 +3495,18 @@
dominator_allocate->clear_next_map_word_ = clear_next_map_word_;
// After that replace the dominated allocate instruction.
+ HInstruction* inner_offset = HConstant::CreateAndInsertBefore(
+ zone,
+ context(),
+ dominator_size_constant,
+ Representation::None(),
+ this);
+
HInstruction* dominated_allocate_instr =
HInnerAllocatedObject::New(zone,
context(),
dominator_allocate,
- dominator_size,
+ inner_offset,
type());
dominated_allocate_instr->InsertBefore(this);
DeleteAndReplaceWith(dominated_allocate_instr);
--
--
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