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x86: Put COPY3_IF_LT under HAVE_6REGS

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It uses 6 registers, unbreaks building on hardened x86 system.

Bug-Id: gentoo/541930
CC: libav-stable@libav.org
This commit is contained in:
Luca Barbato 2015-03-16 11:26:48 +01:00
parent 96dd04427f
commit 48aef27f52
1 changed files with 5 additions and 0 deletions
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5
libavcodec/x86/mathops.h
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@ -23,7 +23,9 @@
#define AVCODEC_X86_MATHOPS_H #define AVCODEC_X86_MATHOPS_H
#include "config.h" #include "config.h"
#include "libavutil/common.h" #include "libavutil/common.h"
#include "libavutil/x86/asm.h"
#if HAVE_INLINE_ASM #if HAVE_INLINE_ASM
@ -88,6 +90,7 @@ static inline av_const int mid_pred(int a, int b, int c)
return i; return i;
} }
#if HAVE_6REGS
#define COPY3_IF_LT(x, y, a, b, c, d)\ #define COPY3_IF_LT(x, y, a, b, c, d)\
__asm__ volatile(\ __asm__ volatile(\
"cmpl %0, %3 \n\t"\ "cmpl %0, %3 \n\t"\
@ -97,6 +100,8 @@ __asm__ volatile(\
: "+&r" (x), "+&r" (a), "+r" (c)\ : "+&r" (x), "+&r" (a), "+r" (c)\
: "r" (y), "r" (b), "r" (d)\ : "r" (y), "r" (b), "r" (d)\
); );
#endif /* HAVE_6REGS */
#endif /* HAVE_I686 */ #endif /* HAVE_I686 */
#define MASK_ABS(mask, level) \ #define MASK_ABS(mask, level) \