faster dering

[ffmpeg] / postproc / postprocess.c

diff --git a/postproc/postprocess.c b/postproc/postprocess.c
index e13c591978e6be8ef04f7ea15d4924a5418fad7f..2447f1e900bf5e954ab6c02c7b3369ca2ed4ddc0 100644 (file)
--- a/postproc/postprocess.c
+++ b/postproc/postprocess.c
@@ -1978,16 +1978,19 @@ FIND_MIN_MAX((%0, %1, 8))
                "movq " #lx ", " #t1 "                          \n\t" /* src[-1] */\
                PAVGB(t0, lx)                                         /* (src[-1] + src[+1])/2 */\
                PAVGB(sx, lx)                                 /* (src[-1] + 2src[0] + src[+1])/4 */\
-               "psubusb temp0, " #t1 "                         \n\t"\
-               "psubusb temp0, " #t0 "                         \n\t"\
-               "psubusb temp0, " #sx "                         \n\t"\
-               "pcmpeqb b00, " #t1 "                           \n\t" /* src[-1] > a ? 0 : -1*/\
-               "pcmpeqb b00, " #t0 "                           \n\t" /* src[+1] > a ? 0 : -1*/\
-               "pcmpeqb b00, " #sx "                           \n\t" /* src[0]  > a ? 0 : -1*/\
+               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"\
+               "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*/\
                "paddb " #t1 ", " #t0 "                         \n\t"\
                "paddb " #t0 ", " #sx "                         \n\t"\
 \
-               PAVGB(lx, pplx)                                      \
                PAVGB(plx, pplx)                                      /* filtered */\
                "movq " #dst ", " #t0 "                         \n\t" /* dst */\
                "movq " #t0 ", " #t1 "                          \n\t" /* dst */\
@@ -1999,11 +2002,12 @@ FIND_MIN_MAX((%0, %1, 8))
                "paddb " #psx ", " #ppsx "                      \n\t"\
        "#paddb b02, " #ppsx "                          \n\t"\
                "pand b08, " #ppsx "                            \n\t"\
-               "pcmpeqb b00, " #ppsx "                         \n\t"\
+               "pcmpeqb " #lx ", " #ppsx "                             \n\t"\
                "pand " #ppsx ", " #pplx "                      \n\t"\
                "pandn " #dst ", " #ppsx "                      \n\t"\
                "por " #pplx ", " #ppsx "                               \n\t"\
-               "movq " #ppsx ", " #dst "                       \n\t"
+               "movq " #ppsx ", " #dst "                       \n\t"\
+               "movq temp1, " #lx "                            \n\t"
 
 /*
 0000000