[FFmpeg-cvslog] avcodec/x86/mpegvideoencdsp: support negative strides in draw_edges_mmx()

[Ramiro Polla]

ffmpeg | branch: master | Ramiro Polla <ramiro.polla at gmail.com> | Wed Aug 21 16:55:49 2024 +0200| [f9074427dbcafbd4a07fa65e52f62cf6bf97c117] | committer: Ramiro Polla

avcodec/x86/mpegvideoencdsp: support negative strides in draw_edges_mmx()

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f9074427dbcafbd4a07fa65e52f62cf6bf97c117
---

 libavcodec/x86/mpegvideoencdsp_init.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/libavcodec/x86/mpegvideoencdsp_init.c b/libavcodec/x86/mpegvideoencdsp_init.c
index ec174b15aa..c901e4dbaa 100644
--- a/libavcodec/x86/mpegvideoencdsp_init.c
+++ b/libavcodec/x86/mpegvideoencdsp_init.c
@@ -121,7 +121,7 @@ static void draw_edges_mmx(uint8_t *buf, int wrap, int width, int height,
             "movq           %%mm1, (%0, %2) \n\t"
             "add               %1, %0       \n\t"
             "cmp               %3, %0       \n\t"
-            "jb                1b           \n\t"
+            "jnz               1b           \n\t"
             : "+r" (ptr)
             : "r" ((x86_reg) wrap), "r" ((x86_reg) width),
               "r" (ptr + wrap * height));
@@ -142,7 +142,7 @@ static void draw_edges_mmx(uint8_t *buf, int wrap, int width, int height,
             "movq           %%mm1, 8(%0, %2)    \n\t"
             "add               %1, %0           \n\t"
             "cmp               %3, %0           \n\t"
-            "jb                1b               \n\t"
+            "jnz               1b               \n\t"
             : "+r"(ptr)
             : "r"((x86_reg)wrap), "r"((x86_reg)width), "r"(ptr + wrap * height)
             );
@@ -161,7 +161,7 @@ static void draw_edges_mmx(uint8_t *buf, int wrap, int width, int height,
             "movd           %%mm1, (%0, %2) \n\t"
             "add               %1, %0       \n\t"
             "cmp               %3, %0       \n\t"
-            "jb                1b           \n\t"
+            "jnz               1b           \n\t"
             : "+r" (ptr)
             : "r" ((x86_reg) wrap), "r" ((x86_reg) width),
               "r" (ptr + wrap * height));