diff options
Diffstat (limited to 'mp3lib/tabinit_MMX.s')
| -rw-r--r-- | mp3lib/tabinit_MMX.s | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/mp3lib/tabinit_MMX.s b/mp3lib/tabinit_MMX.s new file mode 100644 index 0000000000..90b4d1d223 --- /dev/null +++ b/mp3lib/tabinit_MMX.s @@ -0,0 +1,161 @@ +# 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> +.bss + .align 8 + .comm decwin,2176,32 + .align 8 + .comm decwins,2176,32 +.data + .align 8 +intwinbase_MMX: + .value 0, -1, -1, -1, -1, -1, -1, -2 + .value -2, -2, -2, -3, -3, -4, -4, -5 + .value -5, -6, -7, -7, -8, -9, -10, -11 + .value -13, -14, -16, -17, -19, -21, -24, -26 + .value -29, -31, -35, -38, -41, -45, -49, -53 + .value -58, -63, -68, -73, -79, -85, -91, -97 + .value -104, -111, -117, -125, -132, -139, -147, -154 + .value -161, -169, -176, -183, -190, -196, -202, -208 + .value -213, -218, -222, -225, -227, -228, -228, -227 + .value -224, -221, -215, -208, -200, -189, -177, -163 + .value -146, -127, -106, -83, -57, -29, 2, 36 + .value 72, 111, 153, 197, 244, 294, 347, 401 + .value 459, 519, 581, 645, 711, 779, 848, 919 + .value 991, 1064, 1137, 1210, 1283, 1356, 1428, 1498 + .value 1567, 1634, 1698, 1759, 1817, 1870, 1919, 1962 + .value 2001, 2032, 2057, 2075, 2085, 2087, 2080, 2063 + .value 2037, 2000, 1952, 1893, 1822, 1739, 1644, 1535 + .value 1414, 1280, 1131, 970, 794, 605, 402, 185 + .value -45, -288, -545, -814, -1095, -1388, -1692, -2006 + .value -2330, -2663, -3004, -3351, -3705, -4063, -4425, -4788 + .value -5153, -5517, -5879, -6237, -6589, -6935, -7271, -7597 + .value -7910, -8209, -8491, -8755, -8998, -9219, -9416, -9585 + .value -9727, -9838, -9916, -9959, -9966, -9935, -9863, -9750 + .value -9592, -9389, -9139, -8840, -8492, -8092, -7640, -7134 + .value -6574, -5959, -5288, -4561, -3776, -2935, -2037, -1082 + .value -70, 998, 2122, 3300, 4533, 5818, 7154, 8540 + .value 9975, 11455, 12980, 14548, 16155, 17799, 19478, 21189 + .value 22929, 24694, 26482, 28289, 30112, 31947,-26209,-24360 + .value -22511,-20664,-18824,-16994,-15179,-13383,-11610, -9863 + .value -8147, -6466, -4822, -3222, -1667, -162, 1289, 2684 + .value 4019, 5290, 6494, 7629, 8692, 9679, 10590, 11420 + .value 12169, 12835, 13415, 13908, 14313, 14630, 14856, 14992 + .value 15038 + +intwindiv: + .long 0x47800000 # 65536.0 +.text + .align 32 +.globl make_decode_tables_MMX +make_decode_tables_MMX: + pushl %edi + pushl %esi + pushl %ebx + + xorl %ecx,%ecx + xorl %ebx,%ebx + movl $32,%esi + movl $intwinbase_MMX,%edi + negl 16(%esp) # scaleval + pushl $2 # intwinbase step +.L00: + cmpl $528,%ecx + jnc .L02 + movswl (%edi),%eax + cmpl $intwinbase_MMX+444,%edi + jc .L01 + addl $60000,%eax +.L01: + pushl %eax + fildl (%esp) + fdivs intwindiv + fimull 24(%esp) + popl %eax + fsts decwin(,%ecx,4) + fstps decwin+64(,%ecx,4) +.L02: + leal -1(%esi),%edx + and %ebx,%edx + cmp $31,%edx + jnz .L03 + addl $-1023,%ecx + test %esi,%ebx + jz .L03 + negl 20(%esp) +.L03: + addl %esi,%ecx + addl (%esp),%edi + incl %ebx + cmpl $intwinbase_MMX,%edi + jz .L04 + cmp $256,%ebx + jnz .L00 + negl (%esp) + jmp .L00 +.L04: + popl %eax + + xorl %ecx,%ecx + xorl %ebx,%ebx + pushl $2 +.L05: + cmpl $528,%ecx + jnc .L11 + movswl (%edi),%eax + cmpl $intwinbase_MMX+444,%edi + jc .L06 + addl $60000,%eax +.L06: + cltd + imull 20(%esp) + shrdl $17,%edx,%eax + cmpl $32767,%eax + movl $1055,%edx + jle .L07 + movl $32767,%eax + jmp .L08 +.L07: + cmpl $-32767,%eax + jge .L08 + movl $-32767,%eax +.L08: + cmpl $512,%ecx + jnc .L09 + subl %ecx,%edx + movw %ax,decwins(,%edx,2) + movw %ax,decwins-32(,%edx,2) +.L09: + testl $1,%ecx + jnz .L10 + negl %eax +.L10: + movw %ax,decwins(,%ecx,2) + movw %ax,decwins+32(,%ecx,2) +.L11: + leal -1(%esi),%edx + and %ebx,%edx + cmp $31,%edx + jnz .L12 + addl $-1023,%ecx + test %esi,%ebx + jz .L12 + negl 20(%esp) +.L12: + addl %esi,%ecx + addl (%esp),%edi + incl %ebx + cmpl $intwinbase_MMX,%edi + jz .L13 + cmp $256,%ebx + jnz .L05 + negl (%esp) + jmp .L05 +.L13: + popl %eax + + popl %ebx + popl %esi + popl %edi + ret + |