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authorDiego Biurrun <diego@biurrun.de>2012-06-19 12:55:10 +0200
committerDiego Biurrun <diego@biurrun.de>2014-09-16 01:48:53 -0700
commit893b353362bc220280efd8d14c4878a1cafe18a8 (patch)
treec025b76952cc325c7112a2cf3a0c3cf13de4dd03 /libavcodec/x86
parent8637f4edeee1a6bd18bc90740fafadd3e1b412aa (diff)
downloadffmpeg-893b353362bc220280efd8d14c4878a1cafe18a8.tar.gz
x86: Only use optimizations with cmov if the CPU supports the instruction
Also fill in missing hash for AV_CPU_FLAG_CMOV addition in APIChanges. (cherry picked from commit fe07c9c6b5a870b8f2ffcfac649228b4d76e9505) Signed-off-by: Diego Biurrun <diego@biurrun.de> Conflicts: libavcodec/x86/dsputil_mmx.c
Diffstat (limited to 'libavcodec/x86')
-rw-r--r--libavcodec/x86/dsputil_mmx.c3
-rw-r--r--libavcodec/x86/h264_intrapred_init.c3
-rw-r--r--libavcodec/x86/h264dsp_mmx.c3
3 files changed, 6 insertions, 3 deletions
diff --git a/libavcodec/x86/dsputil_mmx.c b/libavcodec/x86/dsputil_mmx.c
index e34b95b0da..81472bb726 100644
--- a/libavcodec/x86/dsputil_mmx.c
+++ b/libavcodec/x86/dsputil_mmx.c
@@ -2683,7 +2683,8 @@ void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx)
c->add_hfyu_median_prediction = ff_add_hfyu_median_prediction_mmx2;
#endif
#if HAVE_7REGS
- if (HAVE_AMD3DNOW && (mm_flags & AV_CPU_FLAG_3DNOW))
+ if (HAVE_AMD3DNOW && (mm_flags & AV_CPU_FLAG_3DNOW) &&
+ (mm_flags & AV_CPU_FLAG_CMOV))
c->add_hfyu_median_prediction = add_hfyu_median_prediction_cmov;
#endif
diff --git a/libavcodec/x86/h264_intrapred_init.c b/libavcodec/x86/h264_intrapred_init.c
index 223dbde2ae..70a4c1e00b 100644
--- a/libavcodec/x86/h264_intrapred_init.c
+++ b/libavcodec/x86/h264_intrapred_init.c
@@ -188,7 +188,8 @@ void ff_h264_pred_init_x86(H264PredContext *h, int codec_id, const int bit_depth
if (chroma_format_idc <= 1)
h->pred8x8 [PLANE_PRED8x8] = ff_pred8x8_plane_mmx;
if (codec_id == CODEC_ID_SVQ3) {
- h->pred16x16[PLANE_PRED8x8] = ff_pred16x16_plane_svq3_mmx;
+ if (mm_flags & AV_CPU_FLAG_CMOV)
+ h->pred16x16[PLANE_PRED8x8] = ff_pred16x16_plane_svq3_mmx;
} else if (codec_id == CODEC_ID_RV40) {
h->pred16x16[PLANE_PRED8x8] = ff_pred16x16_plane_rv40_mmx;
} else {
diff --git a/libavcodec/x86/h264dsp_mmx.c b/libavcodec/x86/h264dsp_mmx.c
index f5ae4dc055..19b3a4b44c 100644
--- a/libavcodec/x86/h264dsp_mmx.c
+++ b/libavcodec/x86/h264dsp_mmx.c
@@ -361,7 +361,8 @@ void ff_h264dsp_init_x86(H264DSPContext *c, const int bit_depth, const int chrom
if (chroma_format_idc <= 1)
c->h264_idct_add8 = ff_h264_idct_add8_8_mmx;
c->h264_idct_add16intra = ff_h264_idct_add16intra_8_mmx;
- c->h264_luma_dc_dequant_idct= ff_h264_luma_dc_dequant_idct_mmx;
+ if (mm_flags & AV_CPU_FLAG_CMOV)
+ c->h264_luma_dc_dequant_idct = ff_h264_luma_dc_dequant_idct_mmx;
if (mm_flags & AV_CPU_FLAG_MMX2) {
c->h264_idct_dc_add = ff_h264_idct_dc_add_8_mmx2;