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Code Issues Releases Activity

avcodec/svq1enc: restrict Altivec acceleration to big-endian POWER configurations

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This was disabled in da60b99a88 and then
accidentally re-enabled in 172b0e2e88.

The code in question was never properly adapted for litte-endian mode.

refs: trac/10955
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4322be512b)
This commit is contained in:
Sean McGovern
2025-01-16 16:30:52 -05:00
committed by brad
parent 8320e6b415
commit 8f77695e65
1 changed files with 4 additions and 4 deletions
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8
libavcodec/ppc/svq1enc_altivec.c
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@@ -29,7 +29,7 @@
#include "libavcodec/svq1encdsp.h" #include "libavcodec/svq1encdsp.h"
#if HAVE_ALTIVEC #if HAVE_ALTIVEC && HAVE_BIGENDIAN
static int ssd_int8_vs_int16_altivec(const int8_t *pix1, const int16_t *pix2, static int ssd_int8_vs_int16_altivec(const int8_t *pix1, const int16_t *pix2,
intptr_t size) intptr_t size)
{ {
@@ -69,14 +69,14 @@ static int ssd_int8_vs_int16_altivec(const int8_t *pix1, const int16_t *pix2,
return u.score[3]; return u.score[3];
} }
#endif /* HAVE_ALTIVEC */ #endif /* HAVE_ALTIVEC && HAVE_BIGENDIAN */
av_cold void ff_svq1enc_init_ppc(SVQ1EncDSPContext *c) av_cold void ff_svq1enc_init_ppc(SVQ1EncDSPContext *c)
{ {
#if HAVE_ALTIVEC #if HAVE_ALTIVEC && HAVE_BIGENDIAN
if (!PPC_ALTIVEC(av_get_cpu_flags())) if (!PPC_ALTIVEC(av_get_cpu_flags()))
return; return;
c->ssd_int8_vs_int16 = ssd_int8_vs_int16_altivec; c->ssd_int8_vs_int16 = ssd_int8_vs_int16_altivec;
#endif /* HAVE_ALTIVEC */ #endif /* HAVE_ALTIVEC && HAVE_BIGENDIAN */
} }