[FFmpeg-devel] [PATCH 1/5] x86: hevc_mc: fewer gpr autoloads for _v filters

[Christophe Gisquet]

In that case, it's just to load my, but mx/r3src is not used.
---
 libavcodec/x86/hevc_mc.asm | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/libavcodec/x86/hevc_mc.asm b/libavcodec/x86/hevc_mc.asm
index 3f56782..f6dff4c 100644
--- a/libavcodec/x86/hevc_mc.asm
+++ b/libavcodec/x86/hevc_mc.asm
@@ -789,7 +789,8 @@ cglobal hevc_put_hevc_bi_epel_h%1_%2, 7, 8, 11, dst, dststride, src, srcstride,
 ;                      int height, int mx, int my, int width)
 ; ******************************
 
-cglobal hevc_put_hevc_epel_v%1_%2, 6, 7, 11, dst, src, srcstride, height, r3src, my, rfilter
+cglobal hevc_put_hevc_epel_v%1_%2, 4, 7, 11, dst, src, srcstride, height, r3src, my, rfilter
+    movifnidn        myd, mym
     lea           r3srcq, [srcstrideq*3]
     sub             srcq, srcstrideq
     EPEL_FILTER       %2, my, m4, m5
@@ -800,7 +801,8 @@ cglobal hevc_put_hevc_epel_v%1_%2, 6, 7, 11, dst, src, srcstride, height, r3src,
     LOOP_END          dst, src, srcstride
     RET
 
-cglobal hevc_put_hevc_uni_epel_v%1_%2, 7, 8, 11, dst, dststride, src, srcstride, height, r3src, my, rfilter
+cglobal hevc_put_hevc_uni_epel_v%1_%2, 5, 8, 11, dst, dststride, src, srcstride, height, r3src, my, rfilter
+    movifnidn        myd, mym
     lea           r3srcq, [srcstrideq*3]
     movdqa            m6, [pw_%2]
     sub             srcq, srcstrideq
@@ -817,7 +819,8 @@ cglobal hevc_put_hevc_uni_epel_v%1_%2, 7, 8, 11, dst, dststride, src, srcstride,
     RET
 
 
-cglobal hevc_put_hevc_bi_epel_v%1_%2, 8, 9, 11, dst, dststride, src, srcstride, src2, height, r3src, my, rfilter
+cglobal hevc_put_hevc_bi_epel_v%1_%2, 6, 9, 11, dst, dststride, src, srcstride, src2, height, r3src, my, rfilter
+    movifnidn        myd, mym
     lea           r3srcq, [srcstrideq*3]
     movdqa            m6, [pw_bi_%2]
     sub             srcq, srcstrideq
@@ -1112,7 +1115,8 @@ cglobal hevc_put_hevc_bi_qpel_h%1_%2, 7, 8, 16 , dst, dststride, src, srcstride,
 ;                       int height, int mx, int my, int width)
 ; ******************************
 
-cglobal hevc_put_hevc_qpel_v%1_%2, 6, 8, 16, dst, src, srcstride, height, r3src, my, rfilter
+cglobal hevc_put_hevc_qpel_v%1_%2, 4, 8, 16, dst, src, srcstride, height, r3src, my, rfilter
+    movifnidn        myd, mym
     lea           r3srcq, [srcstrideq*3]
     QPEL_FILTER       %2, my
 .loop
@@ -1125,7 +1129,8 @@ cglobal hevc_put_hevc_qpel_v%1_%2, 6, 8, 16, dst, src, srcstride, height, r3src,
     LOOP_END         dst, src, srcstride
     RET
 
-cglobal hevc_put_hevc_uni_qpel_v%1_%2, 7, 9, 16, dst, dststride, src, srcstride, height, r3src, my, rfilter
+cglobal hevc_put_hevc_uni_qpel_v%1_%2, 5, 9, 16, dst, dststride, src, srcstride, height, r3src, my, rfilter
+    movifnidn        myd, mym
     movdqa            m9, [pw_%2]
     lea           r3srcq, [srcstrideq*3]
     QPEL_FILTER       %2, my
@@ -1143,7 +1148,8 @@ cglobal hevc_put_hevc_uni_qpel_v%1_%2, 7, 9, 16, dst, dststride, src, srcstride,
     jnz               .loop                      ; height loop
     RET
 
-cglobal hevc_put_hevc_bi_qpel_v%1_%2, 8, 10, 16, dst, dststride, src, srcstride, src2, height, r3src, my, rfilter
+cglobal hevc_put_hevc_bi_qpel_v%1_%2, 6, 10, 16, dst, dststride, src, srcstride, src2, height, r3src, my, rfilter
+    movifnidn        myd, mym
     movdqa            m9, [pw_bi_%2]
     lea           r3srcq, [srcstrideq*3]
     QPEL_FILTER       %2, my
-- 
1.9.2.msysgit.0