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lsws/ppc/yuv2rgb_altivec: Fix build in non-VSX environments

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Add inline function for vec_xl if VSX is not supported. vec_xl intrinsic
is only available on POWER 7 or higher.

Fixes ticket #8750.

Signed-off-by: Andriy Gelman <andriy.gelman@gmail.com>
This commit is contained in:
Chip Kerchner 2020-10-09 20:17:20 -04:00 committed by Andriy Gelman
parent 7b30dad3a6
commit e7f53d6ac9
1 changed files with 10 additions and 0 deletions
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10
libswscale/ppc/yuv2rgb_altivec.c
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@ -284,6 +284,16 @@ static inline void cvtyuvtoRGB(SwsContext *c, vector signed short Y,
* ------------------------------------------------------------------------------
*/
#if !HAVE_VSX
static inline vector unsigned char vec_xl(signed long long offset, const ubyte *addr)
{
const vector unsigned char *v_addr = (const vector unsigned char *) (addr + offset);
vector unsigned char align_perm = vec_lvsl(offset, addr);
return (vector unsigned char) vec_perm(v_addr[0], v_addr[1], align_perm);
}
#endif /* !HAVE_VSX */
#define DEFCSP420_CVT(name, out_pixels) \
static int altivec_ ## name(SwsContext *c, const unsigned char **in, \
int *instrides, int srcSliceY, int srcSliceH, \