git.wh0rd.org / ICEs.git / blame
| Commit | Line | Data |
|---|---|---|
| 81f80d8c MF |
1 | f(short *samples, int *volumes, unsigned channels, |
| 2 | unsigned length) | |
| 3 | { | |
| 4 | long channel, temp; | |
| 5 | asm volatile(" xor %3, %3\n" | |
| 6 | "2:\n" | |
| 7 | " sar $1, %2\n" | |
| 8 | " test $1, %2\n" | |
| 9 | " je 4f\n" | |
| 10 | "3:\n" | |
| 11 | " movq (%1, %3, 4), %%mm0\n" | |
| 12 | " movd (%0), %%mm1\n" | |
| 13 | " pxor %%mm4, %%mm4\n" | |
| 14 | " punpcklwd %%mm4, %%mm1\n" | |
| 15 | " pcmpgtw %%mm0, %%mm4\n" | |
| 16 | " pand %%mm1, %%mm4\n" | |
| 17 | " movq %%mm1, %%mm5\n" | |
| 18 | " pmulhw %%mm0, %%mm1\n" | |
| 19 | " paddw %%mm4, %%mm1\n" | |
| 20 | " psrld $16, %%mm0\n" | |
| 21 | " pmaddwd %%mm5, %%mm0\n" | |
| 22 | " paddd %%mm1, %%mm0\n" | |
| 23 | " packssdw %%mm0, %%mm0\n" | |
| 24 | " movd %%mm0, (%0)\n" | |
| 25 | " add $4, %0\n" | |
| 26 | " add $2, %3\n" | |
| 27 | " mov %3, %4\n" | |
| 28 | " sub %5, %4\n" | |
| 29 | " cmovae %4, %3\n" | |
| 30 | "4:\n" | |
| 31 | " sar $1, %2\n" | |
| 32 | " cmp $0, %2\n" | |
| 33 | " je 6f\n" | |
| 34 | "5:\n" | |
| 35 | " movq (%1, %3, 4), %%mm0\n" | |
| 36 | " movq 8(%1, %3, 4), %%mm2\n" | |
| 37 | " movd (%0), %%mm1\n" | |
| 38 | " movd 4(%0), %%mm3\n" | |
| 39 | " pxor %%mm4, %%mm4\n" | |
| 40 | " punpcklwd %%mm4, %%mm1\n" | |
| 41 | " pcmpgtw %%mm0, %%mm4\n" | |
| 42 | " pand %%mm1, %%mm4\n" | |
| 43 | " movq %%mm1, %%mm5\n" | |
| 44 | " pmulhw %%mm0, %%mm1\n" | |
| 45 | " paddw %%mm4, %%mm1\n" | |
| 46 | " psrld $16, %%mm0\n" | |
| 47 | " pmaddwd %%mm5, %%mm0\n" | |
| 48 | " paddd %%mm1, %%mm0\n" | |
| 49 | " packssdw %%mm0, %%mm0\n" | |
| 50 | " pxor %%mm4, %%mm4\n" | |
| 51 | " punpcklwd %%mm4, %%mm3\n" | |
| 52 | " pcmpgtw %%mm2, %%mm4\n" | |
| 53 | " pand %%mm3, %%mm4\n" | |
| 54 | " movq %%mm3, %%mm5\n" | |
| 55 | " pmulhw %%mm2, %%mm3\n" | |
| 56 | " paddw %%mm4, %%mm3\n" | |
| 57 | " psrld $16, %%mm2\n" | |
| 58 | " pmaddwd %%mm5, %%mm2\n" | |
| 59 | " paddd %%mm3, %%mm2\n" | |
| 60 | " packssdw %%mm2, %%mm2\n" | |
| 61 | " movd %%mm0, (%0)\n" | |
| 62 | " movd %%mm2, 4(%0)\n" | |
| 63 | " add $8, %0\n" | |
| 64 | " add $4, %3\n" | |
| 65 | " mov %3, %4\n" | |
| 66 | " sub %5, %4\n" | |
| 67 | " cmovae %4, %3\n" | |
| 68 | " dec %2\n" | |
| 69 | " jne 5b\n" | |
| 70 | "6:\n" | |
| 71 | " emms\n":"+r" | |
| 72 | (samples), "+r"(volumes), "+r"(length), | |
| 73 | "=D"((long) channel), | |
| 74 | "=&r"(temp):"X"((long) channels):"cc"); | |
| 75 | } |