Fix assembly comments for x86 fast_bilinear so they match the C code.

Originally committed as revision 29444 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
This commit is contained in:
Ramiro Polla 2009-07-27 06:20:17 +00:00
parent 6dc13ccbcc
commit 6d08d7f3c8
1 changed files with 16 additions and 16 deletions

View File

@ -2330,32 +2330,32 @@ FUNNY_Y_CODE
__asm__ volatile(
"xor %%"REG_a", %%"REG_a" \n\t" // i
"xor %%"REG_d", %%"REG_d" \n\t" // xx
"xorl %%ecx, %%ecx \n\t" // 2*xalpha
"xorl %%ecx, %%ecx \n\t" // xalpha
ASMALIGN(4)
"1: \n\t"
"movzbl (%0, %%"REG_d"), %%edi \n\t" //src[xx]
"movzbl 1(%0, %%"REG_d"), %%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
"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*xalpha
"shll $16, %%edi \n\t"
"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
"addl %%edi, %%esi \n\t" //src[xx+1]*xalpha + src[xx]*(1-xalpha)
"mov %1, %%"REG_D" \n\t"
"shrl $9, %%esi \n\t"
"movw %%si, (%%"REG_D", %%"REG_a", 2) \n\t"
"addw %4, %%cx \n\t" //2*xalpha += xInc&0xFF
"adc %3, %%"REG_d" \n\t" //xx+= xInc>>8 + carry
"addw %4, %%cx \n\t" //xalpha += xInc&0xFFFF
"adc %3, %%"REG_d" \n\t" //xx+= xInc>>16 + carry
"movzbl (%0, %%"REG_d"), %%edi \n\t" //src[xx]
"movzbl 1(%0, %%"REG_d"), %%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
"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*xalpha
"shll $16, %%edi \n\t"
"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
"addl %%edi, %%esi \n\t" //src[xx+1]*xalpha + src[xx]*(1-xalpha)
"mov %1, %%"REG_D" \n\t"
"shrl $9, %%esi \n\t"
"movw %%si, 2(%%"REG_D", %%"REG_a", 2) \n\t"
"addw %4, %%cx \n\t" //2*xalpha += xInc&0xFF
"adc %3, %%"REG_d" \n\t" //xx+= xInc>>8 + carry
"addw %4, %%cx \n\t" //xalpha += xInc&0xFFFF
"adc %3, %%"REG_d" \n\t" //xx+= xInc>>16 + carry
"add $2, %%"REG_a" \n\t"
@ -2538,16 +2538,16 @@ FUNNY_UV_CODE
__asm__ volatile(
"xor %%"REG_a", %%"REG_a" \n\t" // i
"xor %%"REG_d", %%"REG_d" \n\t" // xx
"xorl %%ecx, %%ecx \n\t" // 2*xalpha
"xorl %%ecx, %%ecx \n\t" // xalpha
ASMALIGN(4)
"1: \n\t"
"mov %0, %%"REG_S" \n\t"
"movzbl (%%"REG_S", %%"REG_d"), %%edi \n\t" //src[xx]
"movzbl 1(%%"REG_S", %%"REG_d"), %%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
"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*xalpha
"shll $16, %%edi \n\t"
"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
"addl %%edi, %%esi \n\t" //src[xx+1]*xalpha + src[xx]*(1-xalpha)
"mov %1, %%"REG_D" \n\t"
"shrl $9, %%esi \n\t"
"movw %%si, (%%"REG_D", %%"REG_a", 2) \n\t"
@ -2555,15 +2555,15 @@ FUNNY_UV_CODE
"movzbl (%5, %%"REG_d"), %%edi \n\t" //src[xx]
"movzbl 1(%5, %%"REG_d"), %%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
"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*xalpha
"shll $16, %%edi \n\t"
"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
"addl %%edi, %%esi \n\t" //src[xx+1]*xalpha + src[xx]*(1-xalpha)
"mov %1, %%"REG_D" \n\t"
"shrl $9, %%esi \n\t"
"movw %%si, "AV_STRINGIFY(VOF)"(%%"REG_D", %%"REG_a", 2) \n\t"
"addw %4, %%cx \n\t" //2*xalpha += xInc&0xFF
"adc %3, %%"REG_d" \n\t" //xx+= xInc>>8 + carry
"addw %4, %%cx \n\t" //xalpha += xInc&0xFFFF
"adc %3, %%"REG_d" \n\t" //xx+= xInc>>16 + carry
"add $1, %%"REG_a" \n\t"
"cmp %2, %%"REG_a" \n\t"
" jb 1b \n\t"