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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>
Mans Rullgard authored on 2012/05/02 23:09:54Showing 1 changed files
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@@ -21,8 +21,9 @@ |
| 21 | 21 |
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| 22 | 22 |
#include <stdint.h> |
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#include "config.h" |
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+#include "libavutil/attributes.h" |
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| 24 | 25 |
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-#if HAVE_FAST_UNALIGNED && HAVE_INLINE_ASM |
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+#if HAVE_FAST_UNALIGNED && HAVE_INLINE_ASM && !AV_GCC_VERSION_AT_LEAST(4,7) |
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| 26 | 27 |
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#define AV_RN16 AV_RN16 |
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static av_always_inline unsigned AV_RN16(const void *p) |