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| author | Mans Rullgard <mans@mansr.com> | 2012-05-02 15:09:54 +0100 |
|---|---|---|
| committer | Mans Rullgard <mans@mansr.com> | 2012-05-02 17:26:39 +0100 |
| commit | ababec7b95d84e911ecda6056e8b8c90287a6e7a (patch) | |
| tree | 09f54966bb62793477323f3b89fa1e42b7ee8d84 | |
| parent | adebad07e084af91cad1b162d89c86c9e08e0a31 (diff) | |
| download | ffmpeg-ababec7b95d84e911ecda6056e8b8c90287a6e7a.tar.gz | |
arm: intreadwrite: disable inline asm for gcc 4.7 and later
Starting with version 4.7, gcc properly supports unaligned
memory accesses on ARM. Not using the inline asm with these
compilers results in better code.
Signed-off-by: Mans Rullgard <mans@mansr.com>
| -rw-r--r-- | libavutil/arm/intreadwrite.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavutil/arm/intreadwrite.h b/libavutil/arm/intreadwrite.h index ec92d4d04b..86b93c940c 100644 --- a/libavutil/arm/intreadwrite.h +++ b/libavutil/arm/intreadwrite.h @@ -21,8 +21,9 @@ #include <stdint.h> #include "config.h" +#include "libavutil/attributes.h" -#if HAVE_FAST_UNALIGNED && HAVE_INLINE_ASM +#if HAVE_FAST_UNALIGNED && HAVE_INLINE_ASM && !AV_GCC_VERSION_AT_LEAST(4,7) #define AV_RN16 AV_RN16 static av_always_inline unsigned AV_RN16(const void *p) |