From fee0c1074c68a61d15899fb8cb31f1902fa9e509 Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Fri, 16 Oct 2009 05:33:58 +0000 Subject: [PATCH] Add comment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84246 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/ARM/ARMSubtarget.cpp | 2 ++ 1 file changed, 2 insertions(+) diff --git a/lib/Target/ARM/ARMSubtarget.cpp b/lib/Target/ARM/ARMSubtarget.cpp index cf1ee3f0295..698e5e2115e 100644 --- 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; } -- 2.34.1