diff options
Diffstat (limited to 'mp3lib/tabinit_MMX.c')
| -rw-r--r-- | mp3lib/tabinit_MMX.c | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/mp3lib/tabinit_MMX.c b/mp3lib/tabinit_MMX.c new file mode 100644 index 0000000000..09f4e8e1a5 --- /dev/null +++ b/mp3lib/tabinit_MMX.c @@ -0,0 +1,154 @@ +/* + * This code was taken from http://www.mpg123.org + * See ChangeLog of mpg123-0.59s-pre.1 for detail + * Applied to mplayer by Nick Kurshev <nickols_k@mail.ru> +*/ + +long __attribute__((aligned(8))) decwins [544]; + +static long decwin [544]; +static short intwinbase_MMX[] = +{ + 0, -1, -1, -1, -1, -1, -1, -2, + -2, -2, -2, -3, -3, -4, -4, -5, + -5, -6, -7, -7, -8, -9, -10, -11, + -13, -14, -16, -17, -19, -21, -24, -26, + -29, -31, -35, -38, -41, -45, -49, -53, + -58, -63, -68, -73, -79, -85, -91, -97, + -104, -111, -117, -125, -132, -139, -147, -154, + -161, -169, -176, -183, -190, -196, -202, -208, + -213, -218, -222, -225, -227, -228, -228, -227, + -224, -221, -215, -208, -200, -189, -177, -163, + -146, -127, -106, -83, -57, -29, 2, 36, + 72, 111, 153, 197, 244, 294, 347, 401, + 459, 519, 581, 645, 711, 779, 848, 919, + 991, 1064, 1137, 1210, 1283, 1356, 1428, 1498, + 1567, 1634, 1698, 1759, 1817, 1870, 1919, 1962, + 2001, 2032, 2057, 2075, 2085, 2087, 2080, 2063, + 2037, 2000, 1952, 1893, 1822, 1739, 1644, 1535, + 1414, 1280, 1131, 970, 794, 605, 402, 185, + -45, -288, -545, -814, -1095, -1388, -1692, -2006, + -2330, -2663, -3004, -3351, -3705, -4063, -4425, -4788, + -5153, -5517, -5879, -6237, -6589, -6935, -7271, -7597, + -7910, -8209, -8491, -8755, -8998, -9219, -9416, -9585, + -9727, -9838, -9916, -9959, -9966, -9935, -9863, -9750, + -9592, -9389, -9139, -8840, -8492, -8092, -7640, -7134, + -6574, -5959, -5288, -4561, -3776, -2935, -2037, -1082, + -70, 998, 2122, 3300, 4533, 5818, 7154, 8540, + 9975, 11455, 12980, 14548, 16155, 17799, 19478, 21189, + 22929, 24694, 26482, 28289, 30112, 31947,-26209,-24360, + -22511,-20664,-18824,-16994,-15179,-13383,-11610, -9863, + -8147, -6466, -4822, -3222, -1667, -162, 1289, 2684, + 4019, 5290, 6494, 7629, 8692, 9679, 10590, 11420, + 12169, 12835, 13415, 13908, 14313, 14630, 14856, 14992, + 15038 +}; + +static long intwindiv = 0x47800000; + +void make_decode_tables_MMX(long scaleval) +{ + long intwinbase_step = 2; + scaleval =- scaleval; + __asm __volatile( + "xorl %%ecx,%%ecx\n\t" + "xorl %%ebx,%%ebx\n\t" + "movl $32,%%esi\n\t" + "movl %0,%%edi\n\t" +".L00:\n\t" + "cmpl $528,%%ecx\n\t" + "jnc .L02\n\t" + "movswl (%%edi),%%eax\n\t" + "cmpl %0+444,%%edi\n\t" + "jc .L01\n\t" + "addl $60000,%%eax\n\t" +".L01:\n\t" + "pushl %%eax\n\t" + "fildl (%%esp)\n\t" + "fdivs intwindiv\n\t" + "popl %%eax\n\t" + "fimull %2\n\t" + "fsts %1(,%%ecx,4)\n\t" + "fstps %1+64(,%%ecx,4)\n\t" +".L02:\n\t" + "leal -1(%%esi),%%edx\n\t" + "and %%ebx,%%edx\n\t" + "cmp $31,%%edx\n\t" + "jnz .L03\n\t" + "addl $-1023,%%ecx\n\t" + "test %%esi,%%ebx\n\t" + "jz .L03\n\t" + "negl %2\n\t" +".L03:\n\t" + "addl %%esi,%%ecx\n\t" + "addl %3,%%edi\n\t" + "incl %%ebx\n\t" + "cmpl %0,%%edi\n\t" + "jz .L04\n\t" + "cmp $256,%%ebx\n\t" + "jnz .L00\n\t" + "negl %3\n\t" + "jmp .L00\n\t" +".L04:\n\t" + ::"g"(intwinbase_MMX),"m"(decwin[0]),"m"(scaleval),"m"(intwinbase_step) + :"memory","%ebx","%esi","%edi"); + + __asm __volatile( + "xorl %%ecx,%%ecx\n\t" + "xorl %%ebx,%%ebx\n\t" +".L05:\n\t" + "cmpl $528,%%ecx\n\t" + "jnc .L11\n\t" + "movswl (%%edi),%%eax\n\t" + "cmpl %0+444,%%edi\n\t" + "jc .L06\n\t" + "addl $60000,%%eax\n\t" +".L06:\n\t" + "cltd\n\t" + "imull %2\n\t" + "shrdl $17,%%edx,%%eax\n\t" + "cmpl $32767,%%eax\n\t" + "movl $1055,%%edx\n\t" + "jle .L07\n\t" + "movl $32767,%%eax\n\t" + "jmp .L08\n\t" +".L07:\n\t" + "cmpl $-32767,%%eax\n\t" + "jge .L08\n\t" + "movl $-32767,%%eax\n\t" +".L08:\n\t" + "cmpl $512,%%ecx\n\t" + "jnc .L09\n\t" + "subl %%ecx,%%edx\n\t" + "movw %%ax,%1(,%%edx,2)\n\t" + "movw %%ax,%1-32(,%%edx,2)\n\t" +".L09:\n\t" + "testl $1,%%ecx\n\t" + "jnz .L10\n\t" + "negl %%eax\n\t" +".L10:\n\t" + "movw %%ax,%1(,%%ecx,2)\n\t" + "movw %%ax,%1+32(,%%ecx,2)\n\t" +".L11:\n\t" + "leal -1(%%esi),%%edx\n\t" + "and %%ebx,%%edx\n\t" + "cmp $31,%%edx\n\t" + "jnz .L12\n\t" + "addl $-1023,%%ecx\n\t" + "test %%esi,%%ebx\n\t" + "jz .L12\n\t" + "negl %2\n\t" +".L12:\n\t" + "addl %%esi,%%ecx\n\t" + "addl %3,%%edi\n\t" + "incl %%ebx\n\t" + "cmpl %0,%%edi\n\t" + "jz .L13\n\t" + "cmp $256,%%ebx\n\t" + "jnz .L05\n\t" + "negl %3\n\t" + "jmp .L05\n\t" +".L13:\n\t" + ::"g"(intwinbase_MMX),"m"(decwins[0]),"m"(scaleval),"m"(intwinbase_step) + :"memory","%ebx","%esi","%edi"); +} |