Revision: 12890
Author: [email protected]
Date: Wed Nov 7 13:38:46 2012
Log: Move vldr in DoLoadKeyedFastDoubleElement before the hole check
This reschedules instructions to better absorb VFP load latency.
BUG=none
TEST=none
Review URL: https://codereview.chromium.org/11363086
Patch from Rajeev Krithivasan <[email protected]>.
http://code.google.com/p/v8/source/detail?r=12890
Modified:
/branches/bleeding_edge/src/arm/lithium-codegen-arm.cc
=======================================
--- /branches/bleeding_edge/src/arm/lithium-codegen-arm.cc Mon Nov 5
05:28:10 2012
+++ /branches/bleeding_edge/src/arm/lithium-codegen-arm.cc Wed Nov 7
13:38:46 2012
@@ -3040,13 +3040,12 @@
(instr->additional_index() << element_size_shift)));
}
+ __ vldr(result, elements, 0);
if (instr->hydrogen()->RequiresHoleCheck()) {
__ ldr(scratch, MemOperand(elements, sizeof(kHoleNanLower32)));
__ cmp(scratch, Operand(kHoleNanUpper32));
DeoptimizeIf(eq, instr->environment());
}
-
- __ vldr(result, elements, 0);
}
--
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