virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Code Issues Releases Activity

fixed out of regs "bug"

Browse Source 
Originally committed as revision 2234 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Michael Niedermayer 2001-10-17 03:40:03 +00:00
parent d3f41512a8
commit a6e972a217
2 changed files with 18 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
postproc/swscale.c
View File

@ -288,8 +288,9 @@ s_xinc&= -2; //clear last bit or uv and y might be shifted relative to each othe
"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha
"shll $8, %%edi \n\t"
"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
"movl %1, %%edi \n\t"
"shrl $1, %%esi \n\t"
"movw %%si, (%1, %%eax, 2) \n\t"
"movw %%si, (%%edi, %%eax, 2) \n\t"
"addb %4, %%cl \n\t" //2*xalpha += s_xinc&0xFF
"adcl %3, %%ebx \n\t" //xx+= s_xinc>>8 + carry
@ -299,8 +300,9 @@ s_xinc&= -2; //clear last bit or uv and y might be shifted relative to each othe
"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha
"shll $8, %%edi \n\t"
"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
"movl %1, %%edi \n\t"
"shrl $1, %%esi \n\t"
"movw %%si, 2(%1, %%eax, 2) \n\t"
"movw %%si, 2(%%edi, %%eax, 2) \n\t"
"addb %4, %%cl \n\t" //2*xalpha += s_xinc&0xFF
"adcl %3, %%ebx \n\t" //xx+= s_xinc>>8 + carry
@ -310,7 +312,7 @@ s_xinc&= -2; //clear last bit or uv and y might be shifted relative to each othe
" jb 1b \n\t"
:: "r" (src), "r" (buf1), "m" (dstw), "m" (s_xinc>>8), "m" (s_xinc&0xFF)
:: "r" (src), "m" (buf1), "m" (dstw), "m" (s_xinc>>8), "m" (s_xinc&0xFF)
: "%eax", "%ebx", "%ecx", "%edi", "%esi"
);
#else
@ -416,8 +418,9 @@ s_xinc&= -2; //clear last bit or uv and y might be shifted relative to each othe
"xorl %%ebx, %%ebx \n\t" // xx
"xorl %%ecx, %%ecx \n\t" // 2*xalpha
"1: \n\t"
"movzbl (%0, %%ebx), %%edi \n\t" //src[xx]
"movzbl 1(%0, %%ebx), %%esi \n\t" //src[xx+1]
"movl %0, %%esi \n\t"
"movzbl (%%esi, %%ebx), %%edi \n\t" //src[xx]
"movzbl 1(%%esi, %%ebx), %%esi \n\t" //src[xx+1]
"subl %%edi, %%esi \n\t" //src[xx+1] - src[xx]
"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha
"shll $8, %%edi \n\t"
@ -443,7 +446,7 @@ s_xinc&= -2; //clear last bit or uv and y might be shifted relative to each othe
" jb 1b \n\t"
:: "r" (src1), "m" (uvbuf1), "m" (dstw), "m" (s_xinc2>>8), "m" (s_xinc2&0xFF),
:: "m" (src1), "m" (uvbuf1), "m" (dstw), "m" (s_xinc2>>8), "m" (s_xinc2&0xFF),
"r" (src2)
: "%eax", "%ebx", "%ecx", "%edi", "%esi"
);

15
postproc/swscale_template.c
View File

@ -288,8 +288,9 @@ s_xinc&= -2; //clear last bit or uv and y might be shifted relative to each othe
"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha
"shll $8, %%edi \n\t"
"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
"movl %1, %%edi \n\t"
"shrl $1, %%esi \n\t"
"movw %%si, (%1, %%eax, 2) \n\t"
"movw %%si, (%%edi, %%eax, 2) \n\t"
"addb %4, %%cl \n\t" //2*xalpha += s_xinc&0xFF
"adcl %3, %%ebx \n\t" //xx+= s_xinc>>8 + carry
@ -299,8 +300,9 @@ s_xinc&= -2; //clear last bit or uv and y might be shifted relative to each othe
"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha
"shll $8, %%edi \n\t"
"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
"movl %1, %%edi \n\t"
"shrl $1, %%esi \n\t"
"movw %%si, 2(%1, %%eax, 2) \n\t"
"movw %%si, 2(%%edi, %%eax, 2) \n\t"
"addb %4, %%cl \n\t" //2*xalpha += s_xinc&0xFF
"adcl %3, %%ebx \n\t" //xx+= s_xinc>>8 + carry
@ -310,7 +312,7 @@ s_xinc&= -2; //clear last bit or uv and y might be shifted relative to each othe
" jb 1b \n\t"
:: "r" (src), "r" (buf1), "m" (dstw), "m" (s_xinc>>8), "m" (s_xinc&0xFF)
:: "r" (src), "m" (buf1), "m" (dstw), "m" (s_xinc>>8), "m" (s_xinc&0xFF)
: "%eax", "%ebx", "%ecx", "%edi", "%esi"
);
#else
@ -416,8 +418,9 @@ s_xinc&= -2; //clear last bit or uv and y might be shifted relative to each othe
"xorl %%ebx, %%ebx \n\t" // xx
"xorl %%ecx, %%ecx \n\t" // 2*xalpha
"1: \n\t"
"movzbl (%0, %%ebx), %%edi \n\t" //src[xx]
"movzbl 1(%0, %%ebx), %%esi \n\t" //src[xx+1]
"movl %0, %%esi \n\t"
"movzbl (%%esi, %%ebx), %%edi \n\t" //src[xx]
"movzbl 1(%%esi, %%ebx), %%esi \n\t" //src[xx+1]
"subl %%edi, %%esi \n\t" //src[xx+1] - src[xx]
"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha
"shll $8, %%edi \n\t"
@ -443,7 +446,7 @@ s_xinc&= -2; //clear last bit or uv and y might be shifted relative to each othe
" jb 1b \n\t"
:: "r" (src1), "m" (uvbuf1), "m" (dstw), "m" (s_xinc2>>8), "m" (s_xinc2&0xFF),
:: "m" (src1), "m" (uvbuf1), "m" (dstw), "m" (s_xinc2>>8), "m" (s_xinc2&0xFF),
"r" (src2)
: "%eax", "%ebx", "%ecx", "%edi", "%esi"
);