mirror of https://github.com/mpv-player/mpv
162 lines
3.9 KiB
ArmAsm
162 lines
3.9 KiB
ArmAsm
# 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
|
|
|