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Add comment.
author
Evan Cheng
<evan.cheng@apple.com>
Fri, 16 Oct 2009 05:33:58 +0000
(
05:33
+0000)
committer
Evan Cheng
<evan.cheng@apple.com>
Fri, 16 Oct 2009 05:33:58 +0000
(
05:33
+0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84246
91177308
-0d34-0410-b5e6-
96231b3b80d8
lib/Target/ARM/ARMSubtarget.cpp
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diff --git
a/lib/Target/ARM/ARMSubtarget.cpp
b/lib/Target/ARM/ARMSubtarget.cpp
index cf1ee3f029532c1b7dc7a7d5d60d5e6a533ad984..698e5e2115e58c3648d9bde16104d3beac764fbd 100644
(file)
--- a/
lib/Target/ARM/ARMSubtarget.cpp
+++ b/
lib/Target/ARM/ARMSubtarget.cpp
@@
-101,6
+101,8
@@
ARMSubtarget::ARMSubtarget(const std::string &TT, const std::string &FS,
// Set CPU specific features.
if (CPUString == "cortex-a8") {
PostRAScheduler = true;
+ // On Cortext-a8, it's faster to perform some single-precision FP
+ // operations with NEON instructions.
if (UseNEONFP.getPosition() == 0)
UseNEONForSinglePrecisionFP = true;
}