projects / packages / SDLcam.git / blame
| Commit | Line | Data |
|---|---|---|
| 6471d98e JB |
1 | --- SDLcam-0.7.3/filter/Absdiff.c.orig Sun Aug 25 23:54:47 2002 |
| 2 | +++ SDLcam-0.7.3/filter/Absdiff.c Wed Sep 3 14:29:03 2003 | |
| 3 | @@ -33,53 +33,52 @@ | |
| 4 | #ifdef MMX | |
| 5 | /* {{{ D = [A-B] OR [B-A] ; [] mean sturated to 0 */ | |
| 6 | if (len < 8) return 0; // image size must be at least 8 bytes | |
| 7 | - asm volatile (" | |
| 8 | - push %%ebx | |
| 9 | - push %%ecx | |
| 10 | - push %%esi | |
| 11 | - push %%edi | |
| 12 | - mov %3, %%ecx | |
| 13 | - mov %2, %%edi | |
| 14 | - mov %1, %%ebx | |
| 15 | - mov %0, %%esi | |
| 16 | - shr $5, %%ecx | |
| 17 | - .align 16 | |
| 18 | - .absdiff_MMX: | |
| 19 | - movq (%%esi), %%mm0 | |
| 20 | - movq 8(%%esi), %%mm1 | |
| 21 | - movq 16(%%esi), %%mm2 | |
| 22 | - movq 24(%%esi), %%mm3 | |
| 23 | - movq (%%ebx), %%mm4 | |
| 24 | - movq 8(%%ebx), %%mm5 | |
| 25 | - movq 16(%%ebx), %%mm6 | |
| 26 | - movq 24(%%ebx), %%mm7 | |
| 27 | - psubusb %%mm4 , %%mm0 | |
| 28 | - psubusb %%mm5 , %%mm1 | |
| 29 | - psubusb %%mm6 , %%mm2 | |
| 30 | - psubusb %%mm7 , %%mm3 | |
| 31 | - psubusb (%%esi), %%mm4 | |
| 32 | - psubusb 8(%%esi), %%mm5 | |
| 33 | - psubusb 16(%%esi), %%mm6 | |
| 34 | - psubusb 24(%%esi), %%mm7 | |
| 35 | - por %%mm4 , %%mm0 | |
| 36 | - por %%mm5 , %%mm1 | |
| 37 | - por %%mm6 , %%mm2 | |
| 38 | - por %%mm7 , %%mm3 | |
| 39 | - movq %%mm0, (%%edi) | |
| 40 | - movq %%mm1, 8(%%edi) | |
| 41 | - movq %%mm2, 16(%%edi) | |
| 42 | - movq %%mm3, 24(%%edi) | |
| 43 | - add $32, %%esi | |
| 44 | - add $32, %%edi | |
| 45 | - add $32, %%ebx | |
| 46 | - dec %%ecx | |
| 47 | - jnz .absdiff_MMX | |
| 48 | - emms | |
| 49 | - pop %%edi | |
| 50 | - pop %%esi | |
| 51 | - pop %%ecx | |
| 52 | - pop %%ebx | |
| 53 | - " | |
| 54 | + asm volatile ( | |
| 55 | +" push %%ebx\n" | |
| 56 | +" push %%ecx\n" | |
| 57 | +" push %%esi\n" | |
| 58 | +" push %%edi\n" | |
| 59 | +" mov %3, %%ecx\n" | |
| 60 | +" mov %2, %%edi\n" | |
| 61 | +" mov %1, %%ebx\n" | |
| 62 | +" mov %0, %%esi\n" | |
| 63 | +" shr $5, %%ecx\n" | |
| 64 | +" .align 16\n" | |
| 65 | +" .absdiff_MMX:\n" | |
| 66 | +" movq (%%esi), %%mm0\n" | |
| 67 | +" movq 8(%%esi), %%mm1\n" | |
| 68 | +" movq 16(%%esi), %%mm2\n" | |
| 69 | +" movq 24(%%esi), %%mm3\n" | |
| 70 | +" movq (%%ebx), %%mm4\n" | |
| 71 | +" movq 8(%%ebx), %%mm5\n" | |
| 72 | +" movq 16(%%ebx), %%mm6\n" | |
| 73 | +" movq 24(%%ebx), %%mm7\n" | |
| 74 | +" psubusb %%mm4 , %%mm0\n" | |
| 75 | +" psubusb %%mm5 , %%mm1\n" | |
| 76 | +" psubusb %%mm6 , %%mm2\n" | |
| 77 | +" psubusb %%mm7 , %%mm3\n" | |
| 78 | +" psubusb (%%esi), %%mm4\n" | |
| 79 | +" psubusb 8(%%esi), %%mm5\n" | |
| 80 | +" psubusb 16(%%esi), %%mm6\n" | |
| 81 | +" psubusb 24(%%esi), %%mm7\n" | |
| 82 | +" por %%mm4 , %%mm0\n" | |
| 83 | +" por %%mm5 , %%mm1\n" | |
| 84 | +" por %%mm6 , %%mm2\n" | |
| 85 | +" por %%mm7 , %%mm3\n" | |
| 86 | +" movq %%mm0, (%%edi)\n" | |
| 87 | +" movq %%mm1, 8(%%edi)\n" | |
| 88 | +" movq %%mm2, 16(%%edi)\n" | |
| 89 | +" movq %%mm3, 24(%%edi)\n" | |
| 90 | +" add $32, %%esi\n" | |
| 91 | +" add $32, %%edi\n" | |
| 92 | +" add $32, %%ebx\n" | |
| 93 | +" dec %%ecx\n" | |
| 94 | +" jnz .absdiff_MMX\n" | |
| 95 | +" emms\n" | |
| 96 | +" pop %%edi\n" | |
| 97 | +" pop %%esi\n" | |
| 98 | +" pop %%ecx\n" | |
| 99 | +" pop %%ebx" | |
| 100 | : "=m" (b) // %0 | |
| 101 | :"m" (a), // %1 | |
| 102 | "m" (dst), // %2 |