[SCM] libav/experimental: minor speedup cleanup
siretart at users.alioth.debian.org
siretart at users.alioth.debian.org
Sun Jun 30 15:30:24 UTC 2013
The following commit has been merged in the experimental branch:
commit 8405b3fdafa8368328a132f98264f3ca09721d54
Author: Michael Niedermayer <michaelni at gmx.at>
Date: Tue Oct 30 21:14:02 2001 +0000
minor speedup
cleanup
Originally committed as revision 2571 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
diff --git a/postproc/postprocess.c b/postproc/postprocess.c
index 2447f1e..da0bf13 100644
--- a/postproc/postprocess.c
+++ b/postproc/postprocess.c
@@ -62,6 +62,7 @@ split this huge file
fix warnings (unused vars, ...)
noise reduction filters
border remover
+optimize c versions
...
Notes:
@@ -417,7 +418,6 @@ static inline void doVertLowPass(uint8_t *src, int stride, int QP)
#if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
src+= stride*3;
asm volatile( //"movv %0 %1 %2\n\t"
- "pushl %0 \n\t"
"movq pQPb, %%mm0 \n\t" // QP,..., QP
"movq (%0), %%mm6 \n\t"
@@ -535,7 +535,7 @@ static inline void doVertLowPass(uint8_t *src, int stride, int QP)
PAVGB(%%mm3, %%mm0) // 112 /4
PAVGB(%%mm0, %%mm5) // 112246 /16
"movq %%mm5, (%%eax, %1, 4) \n\t" // X
- "popl %0\n\t"
+ "subl %1, %0 \n\t"
:
: "r" (src), "r" (stride)
@@ -1167,7 +1167,21 @@ static inline void doVertDefFilter(uint8_t src[], int stride, int QP)
"movq temp0, %%mm2 \n\t" // 2L0 - 5L1 + 5L2 - 2L3
"movq temp1, %%mm3 \n\t" // 2H0 - 5H1 + 5H2 - 2H3
-//FIXME pxor, psubw, pmax for abs
+
+#ifdef HAVE_MMX2
+ "movq %%mm7, %%mm6 \n\t" // 0
+ "psubw %%mm0, %%mm6 \n\t"
+ "pmaxsw %%mm6, %%mm0 \n\t" // |2L4 - 5L5 + 5L6 - 2L7|
+ "movq %%mm7, %%mm6 \n\t" // 0
+ "psubw %%mm1, %%mm6 \n\t"
+ "pmaxsw %%mm6, %%mm1 \n\t" // |2H4 - 5H5 + 5H6 - 2H7|
+ "movq %%mm7, %%mm6 \n\t" // 0
+ "psubw %%mm2, %%mm6 \n\t"
+ "pmaxsw %%mm6, %%mm2 \n\t" // |2L0 - 5L1 + 5L2 - 2L3|
+ "movq %%mm7, %%mm6 \n\t" // 0
+ "psubw %%mm3, %%mm6 \n\t"
+ "pmaxsw %%mm6, %%mm3 \n\t" // |2H0 - 5H1 + 5H2 - 2H3|
+#else
"movq %%mm7, %%mm6 \n\t" // 0
"pcmpgtw %%mm0, %%mm6 \n\t"
"pxor %%mm6, %%mm0 \n\t"
@@ -1176,7 +1190,6 @@ static inline void doVertDefFilter(uint8_t src[], int stride, int QP)
"pcmpgtw %%mm1, %%mm6 \n\t"
"pxor %%mm6, %%mm1 \n\t"
"psubw %%mm6, %%mm1 \n\t" // |2H4 - 5H5 + 5H6 - 2H7|
-
"movq %%mm7, %%mm6 \n\t" // 0
"pcmpgtw %%mm2, %%mm6 \n\t"
"pxor %%mm6, %%mm2 \n\t"
@@ -1185,6 +1198,7 @@ static inline void doVertDefFilter(uint8_t src[], int stride, int QP)
"pcmpgtw %%mm3, %%mm6 \n\t"
"pxor %%mm6, %%mm3 \n\t"
"psubw %%mm6, %%mm3 \n\t" // |2H0 - 5H1 + 5H2 - 2H3|
+#endif
#ifdef HAVE_MMX2
"pminsw %%mm2, %%mm0 \n\t"
@@ -1981,13 +1995,13 @@ FIND_MIN_MAX((%0, %1, 8))
PAVGB(lx, pplx) \
"movq " #lx ", temp1 \n\t"\
"movq temp0, " #lx " \n\t"\
- "psubusb " #lx ", " #t1 " \n\t"\
- "psubusb " #lx ", " #t0 " \n\t"\
- "psubusb " #lx ", " #sx " \n\t"\
+ "psubusb " #lx ", " #t1 " \n\t"\
+ "psubusb " #lx ", " #t0 " \n\t"\
+ "psubusb " #lx ", " #sx " \n\t"\
"movq b00, " #lx " \n\t"\
- "pcmpeqb " #lx ", " #t1 " \n\t" /* src[-1] > a ? 0 : -1*/\
- "pcmpeqb " #lx ", " #t0 " \n\t" /* src[+1] > a ? 0 : -1*/\
- "pcmpeqb " #lx ", " #sx " \n\t" /* src[0] > a ? 0 : -1*/\
+ "pcmpeqb " #lx ", " #t1 " \n\t" /* src[-1] > a ? 0 : -1*/\
+ "pcmpeqb " #lx ", " #t0 " \n\t" /* src[+1] > a ? 0 : -1*/\
+ "pcmpeqb " #lx ", " #sx " \n\t" /* src[0] > a ? 0 : -1*/\
"paddb " #t1 ", " #t0 " \n\t"\
"paddb " #t0 ", " #sx " \n\t"\
\
@@ -2002,10 +2016,10 @@ FIND_MIN_MAX((%0, %1, 8))
"paddb " #psx ", " #ppsx " \n\t"\
"#paddb b02, " #ppsx " \n\t"\
"pand b08, " #ppsx " \n\t"\
- "pcmpeqb " #lx ", " #ppsx " \n\t"\
+ "pcmpeqb " #lx ", " #ppsx " \n\t"\
"pand " #ppsx ", " #pplx " \n\t"\
"pandn " #dst ", " #ppsx " \n\t"\
- "por " #pplx ", " #ppsx " \n\t"\
+ "por " #pplx ", " #ppsx " \n\t"\
"movq " #ppsx ", " #dst " \n\t"\
"movq temp1, " #lx " \n\t"
@@ -2996,6 +3010,7 @@ static void postProcess(uint8_t src[], int srcStride, uint8_t dst[], int dstStri
long long memcpyTime=0, vertTime=0, horizTime=0, sumTime;
sumTime= rdtsc();
#endif
+//mode= 0x7F;
if(tempDst==NULL)
{
diff --git a/postproc/postprocess_template.c b/postproc/postprocess_template.c
index 2447f1e..da0bf13 100644
--- a/postproc/postprocess_template.c
+++ b/postproc/postprocess_template.c
@@ -62,6 +62,7 @@ split this huge file
fix warnings (unused vars, ...)
noise reduction filters
border remover
+optimize c versions
...
Notes:
@@ -417,7 +418,6 @@ static inline void doVertLowPass(uint8_t *src, int stride, int QP)
#if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
src+= stride*3;
asm volatile( //"movv %0 %1 %2\n\t"
- "pushl %0 \n\t"
"movq pQPb, %%mm0 \n\t" // QP,..., QP
"movq (%0), %%mm6 \n\t"
@@ -535,7 +535,7 @@ static inline void doVertLowPass(uint8_t *src, int stride, int QP)
PAVGB(%%mm3, %%mm0) // 112 /4
PAVGB(%%mm0, %%mm5) // 112246 /16
"movq %%mm5, (%%eax, %1, 4) \n\t" // X
- "popl %0\n\t"
+ "subl %1, %0 \n\t"
:
: "r" (src), "r" (stride)
@@ -1167,7 +1167,21 @@ static inline void doVertDefFilter(uint8_t src[], int stride, int QP)
"movq temp0, %%mm2 \n\t" // 2L0 - 5L1 + 5L2 - 2L3
"movq temp1, %%mm3 \n\t" // 2H0 - 5H1 + 5H2 - 2H3
-//FIXME pxor, psubw, pmax for abs
+
+#ifdef HAVE_MMX2
+ "movq %%mm7, %%mm6 \n\t" // 0
+ "psubw %%mm0, %%mm6 \n\t"
+ "pmaxsw %%mm6, %%mm0 \n\t" // |2L4 - 5L5 + 5L6 - 2L7|
+ "movq %%mm7, %%mm6 \n\t" // 0
+ "psubw %%mm1, %%mm6 \n\t"
+ "pmaxsw %%mm6, %%mm1 \n\t" // |2H4 - 5H5 + 5H6 - 2H7|
+ "movq %%mm7, %%mm6 \n\t" // 0
+ "psubw %%mm2, %%mm6 \n\t"
+ "pmaxsw %%mm6, %%mm2 \n\t" // |2L0 - 5L1 + 5L2 - 2L3|
+ "movq %%mm7, %%mm6 \n\t" // 0
+ "psubw %%mm3, %%mm6 \n\t"
+ "pmaxsw %%mm6, %%mm3 \n\t" // |2H0 - 5H1 + 5H2 - 2H3|
+#else
"movq %%mm7, %%mm6 \n\t" // 0
"pcmpgtw %%mm0, %%mm6 \n\t"
"pxor %%mm6, %%mm0 \n\t"
@@ -1176,7 +1190,6 @@ static inline void doVertDefFilter(uint8_t src[], int stride, int QP)
"pcmpgtw %%mm1, %%mm6 \n\t"
"pxor %%mm6, %%mm1 \n\t"
"psubw %%mm6, %%mm1 \n\t" // |2H4 - 5H5 + 5H6 - 2H7|
-
"movq %%mm7, %%mm6 \n\t" // 0
"pcmpgtw %%mm2, %%mm6 \n\t"
"pxor %%mm6, %%mm2 \n\t"
@@ -1185,6 +1198,7 @@ static inline void doVertDefFilter(uint8_t src[], int stride, int QP)
"pcmpgtw %%mm3, %%mm6 \n\t"
"pxor %%mm6, %%mm3 \n\t"
"psubw %%mm6, %%mm3 \n\t" // |2H0 - 5H1 + 5H2 - 2H3|
+#endif
#ifdef HAVE_MMX2
"pminsw %%mm2, %%mm0 \n\t"
@@ -1981,13 +1995,13 @@ FIND_MIN_MAX((%0, %1, 8))
PAVGB(lx, pplx) \
"movq " #lx ", temp1 \n\t"\
"movq temp0, " #lx " \n\t"\
- "psubusb " #lx ", " #t1 " \n\t"\
- "psubusb " #lx ", " #t0 " \n\t"\
- "psubusb " #lx ", " #sx " \n\t"\
+ "psubusb " #lx ", " #t1 " \n\t"\
+ "psubusb " #lx ", " #t0 " \n\t"\
+ "psubusb " #lx ", " #sx " \n\t"\
"movq b00, " #lx " \n\t"\
- "pcmpeqb " #lx ", " #t1 " \n\t" /* src[-1] > a ? 0 : -1*/\
- "pcmpeqb " #lx ", " #t0 " \n\t" /* src[+1] > a ? 0 : -1*/\
- "pcmpeqb " #lx ", " #sx " \n\t" /* src[0] > a ? 0 : -1*/\
+ "pcmpeqb " #lx ", " #t1 " \n\t" /* src[-1] > a ? 0 : -1*/\
+ "pcmpeqb " #lx ", " #t0 " \n\t" /* src[+1] > a ? 0 : -1*/\
+ "pcmpeqb " #lx ", " #sx " \n\t" /* src[0] > a ? 0 : -1*/\
"paddb " #t1 ", " #t0 " \n\t"\
"paddb " #t0 ", " #sx " \n\t"\
\
@@ -2002,10 +2016,10 @@ FIND_MIN_MAX((%0, %1, 8))
"paddb " #psx ", " #ppsx " \n\t"\
"#paddb b02, " #ppsx " \n\t"\
"pand b08, " #ppsx " \n\t"\
- "pcmpeqb " #lx ", " #ppsx " \n\t"\
+ "pcmpeqb " #lx ", " #ppsx " \n\t"\
"pand " #ppsx ", " #pplx " \n\t"\
"pandn " #dst ", " #ppsx " \n\t"\
- "por " #pplx ", " #ppsx " \n\t"\
+ "por " #pplx ", " #ppsx " \n\t"\
"movq " #ppsx ", " #dst " \n\t"\
"movq temp1, " #lx " \n\t"
@@ -2996,6 +3010,7 @@ static void postProcess(uint8_t src[], int srcStride, uint8_t dst[], int dstStri
long long memcpyTime=0, vertTime=0, horizTime=0, sumTime;
sumTime= rdtsc();
#endif
+//mode= 0x7F;
if(tempDst==NULL)
{
--
Libav/FFmpeg packaging
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