mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-12-19 23:06:49 +00:00
Code Issues 1 Projects Releases Wiki Activity

videomixer: Fix assembly compilation on x86

Browse source 
Fixes bug #604814.
This commit is contained in:
Sebastian Dröge 2009-12-17 16:01:25 +01:00
parent 7b107f64f3
commit 3ac6f5e48b
1 changed files with 12 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
gst/videomixer/blend_ayuv.c
View file

@ -281,14 +281,17 @@ gst_videomixer_blend_ayuv_ayuv_mmx (guint8 * src, gint xpos, gint ypos,
dest = dest + 4 * xpos + (ypos * dest_stride);
for (i = 0; i < src_height; i++) {
gulong old_ebx;
/* *INDENT-OFF* */
__asm__ __volatile__ (
"movl %%ebx , %6 \n\t"
"pxor %%mm7 , %%mm7 \n\t" /* mm7 = 0 */
"pcmpeqd %%mm6 , %%mm6 \n\t" /* mm6 = 0xffff... */
"punpcklbw %%mm7 , %%mm6 \n\t" /* mm6 = 0x00ff00ff00ff... */
"pcmpeqd %%mm5 , %%mm5 \n\t" /* mm5 = 0xffff... */
"psrlq $56 , %%mm5 \n\t" /* mm5 = 0x0...0ff */
"xor %%ecx , %%ecx \n\t" /* ecx = 0 */
"xor %%ebx , %%ebx \n\t" /* ebx = 0 */
"1: \n\t"
"movzbl (%2) , %%eax \n\t" /* eax == source alpha */
"imul %4 , %%eax \n\t" /* eax = source alpha * alpha */
@ -310,12 +313,13 @@ gst_videomixer_blend_ayuv_ayuv_mmx (guint8 * src, gint xpos, gint ypos,
"movd %%mm1 , (%3) \n\t" /* dest = mm1 */
"add $4 , %1 \n\t"
"add $4 , %0 \n\t"
"add $1 , %%ecx \n\t"
"cmp %%ecx , %5 \n\t"
"jne 1b"
"add $1 , %%ebx \n\t"
"cmp %%ebx , %5 \n\t"
"jne 1b \n\t"
"movl %6 , %%ebx \n\t"
:"=r" (src), "=r" (dest)
:"0" (src), "1" (dest), "r" (b_alpha), "r" (src_width)
:"%eax", "%ecx", "memory"
:"0" (src), "1" (dest), "r" (b_alpha), "r" (src_width), "m" (old_ebx)
:"%eax", "memory"
#ifdef __MMX__
, "mm0", "mm1", "mm2", "mm5", "mm6", "mm7"
#endif
@ -387,7 +391,7 @@ gst_videomixer_fill_ayuv_color_mmx (guint8 * dest, gint width, gint height,
"emms \n\t"
"2: \n\t"
: "=r" (nvals), "=r" (dest)
: "0" (nvals), "1" (dest), "r" (val)
: "0" (nvals), "1" (dest), "m" (val)
: "memory"
#ifdef __MMX__
, "mm0"