| 0,0 → 1,213 |
|---|
| /* |
| tabinit_mmx: make_decode_tables_mmx |
| |
| copyright ?-2006 by the mpg123 project - free software under the terms of the LGPL 2.1 |
| see COPYING and AUTHORS files in distribution or http://mpg123.org |
| initially written by the mysterious higway (apparently) |
| */ |
| |
| #include "mangle.h" |
| |
| .data |
| ALIGN32 |
| .globl ASM_NAME(costab_mmxsse) |
| ASM_NAME(costab_mmxsse): |
| .long 1056974725 |
| .long 1057056395 |
| .long 1057223771 |
| .long 1057485416 |
| .long 1057855544 |
| .long 1058356026 |
| .long 1059019886 |
| .long 1059897405 |
| .long 1061067246 |
| .long 1062657950 |
| .long 1064892987 |
| .long 1066774581 |
| .long 1069414683 |
| .long 1073984175 |
| .long 1079645762 |
| .long 1092815430 |
| .long 1057005197 |
| .long 1057342072 |
| .long 1058087743 |
| .long 1059427869 |
| .long 1061799040 |
| .long 1065862217 |
| .long 1071413542 |
| .long 1084439708 |
| .long 1057128951 |
| .long 1058664893 |
| .long 1063675095 |
| .long 1076102863 |
| .long 1057655764 |
| .long 1067924853 |
| .long 1060439283 |
| ALIGN32 |
| intwinbase: |
| .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 |
| ALIGN32 |
| /* void make_decode_tables_mmx_asm(long scaleval, float* decwin_mmx, float *decwins); */ |
| .globl ASM_NAME(make_decode_tables_mmx_asm) |
| ASM_NAME(make_decode_tables_mmx_asm): |
| pushl %edi |
| pushl %esi |
| pushl %ebx |
| /* stack: 0=ebx, 4=esi, 8=edi, 12=back, 16=scaleval, 20=decwin_mmx, 24=decwins */ |
| |
| xorl %ecx,%ecx |
| xorl %ebx,%ebx |
| movl $32,%esi |
| movl $intwinbase,%edi |
| negl 16(%esp) /* scaleval */ |
| pushl $2 /* intwinbase step */ |
| /* stack: 20=scaleval 24=decwin_mmx, 28=decwins */ |
| .L00: |
| cmpl $528,%ecx |
| jnc .L02 |
| movswl (%edi),%eax |
| cmpl $intwinbase+444,%edi |
| jc .L01 |
| addl $60000,%eax |
| .L01: |
| pushl %eax |
| /* stack: 24=scaleval 28=decwin_mmx, 32=decwins */ |
| fildl (%esp) |
| fdivs intwindiv |
| fimull 24(%esp) /* scaleval */ |
| /* eax used to be popped the line before... I'll just use it here a bit */ |
| movl 28(%esp),%eax /* decwin_mmx */ |
| fsts (%eax,%ecx,4) |
| fstps 64(%eax,%ecx,4) |
| popl %eax |
| /* stack: 20=scaleval 24=decwin_mmx, 28=decwins */ |
| .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,%edi |
| jz .L04 |
| cmp $256,%ebx |
| jnz .L00 |
| negl (%esp) |
| jmp .L00 |
| .L04: |
| popl %eax |
| |
| xorl %ecx,%ecx |
| xorl %ebx,%ebx |
| pushl $2 /* paired with popl above */ |
| .L05: |
| cmpl $528,%ecx |
| jnc .L11 |
| movswl (%edi),%eax |
| cmpl $intwinbase+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: |
| /* going to use ebx for decwins, watch the jumps */ |
| pushl %ebx |
| /* stack: 24=scaleval 28=decwin_mmx, 32=decwins */ |
| movl 32(%esp),%ebx |
| cmpl $512,%ecx |
| jnc .L09 |
| subl %ecx,%edx |
| movw %ax,(%ebx,%edx,2) /* decwins */ |
| movw %ax,-32(%ebx,%edx,2) |
| .L09: |
| testl $1,%ecx |
| jnz .L10 |
| negl %eax |
| .L10: |
| movw %ax,(%ebx,%ecx,2) |
| movw %ax,32(%ebx,%ecx,2) |
| popl %ebx /* that has to match the pushl before */ |
| .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,%edi |
| jz .L13 |
| cmp $256,%ebx |
| jnz .L05 |
| negl (%esp) |
| jmp .L05 |
| .L13: |
| popl %eax |
| |
| popl %ebx |
| popl %esi |
| popl %edi |
| ret |
| |
| /* Mark non-executable stack. */ |
| #if defined(__linux__) && defined(__ELF__) |
| .section .note.GNU-stack,"",%progbits |
| #endif |