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#
# decode_3dnow.s - 3DNow! optimized synth_1to1()
#
# This code based 'decode_3dnow.s' by Syuuhei Kashiyama
# <squash@mb.kcom.ne.jp>,only two types of changes have been made:
#
# - remove PREFETCH instruction for speedup
# - change function name for support 3DNow! automatic detect
# - femms moved to before 'call dct64_3dnow'
#
# You can find Kashiyama's original 3dnow! support patch
# (for mpg123-0.59o) at
# http:#/user.ecc.u-tokyo.ac.jp/~g810370/linux-simd/ (Japanese).
#
# by KIMURA Takuhiro <kim@hannah.ipc.miyakyo-u.ac.jp> - until 31.Mar.1999
# <kim@comtec.co.jp> - after 1.Apr.1999
#
##/
##/ Replacement of synth_1to1() with AMD's 3DNow! SIMD operations support
##/
##/ Syuuhei Kashiyama <squash@mb.kcom.ne.jp>
##/
##/ The author of this program disclaim whole expressed or implied
##/ warranties with regard to this program, and in no event shall the
##/ author of this program liable to whatever resulted from the use of
##/ this program. Use it at your own risk.
##/
.local buffs.40
.comm buffs.40,4352,32
.data
.align 4
.type bo.42,@object
.size bo.42,4
bo.42:
.long 1
.text
.globl synth_1to1_3dnow
.type synth_1to1_3dnow,@function
synth_1to1_3dnow:
subl $24,%esp
pushl %ebp
pushl %edi
xorl %ebp,%ebp
pushl %esi
pushl %ebx
movl 56(%esp),%esi
movl 52(%esp),%edi
movl 0(%esi),%esi
movl 48(%esp),%ebx
addl %edi,%esi
movl %esi,16(%esp)
femms
# fixed by Takuhiro
cmpl $0,param+348
je .L25
pushl %ebx
pushl 48(%esp)
call do_equalizer_3dnow
addl $8,%esp
.L25:
testl %ebx,%ebx
jne .L26
decl bo.42
movl $buffs.40,%ecx
andl $15,bo.42
jmp .L27
.L26:
addl $2,16(%esp)
movl $buffs.40+2176,%ecx
.L27:
movl bo.42,%edx
testb $1,%dl
je .L28
movl %edx,36(%esp)
movl %ecx,%ebx
movl 44(%esp),%esi
movl %edx,%edi
pushl %esi
sall $2,%edi
movl %ebx,%eax
movl %edi,24(%esp)
addl %edi,%eax
pushl %eax
movl %edx,%eax
incl %eax
andl $15,%eax
leal 1088(,%eax,4),%eax
addl %ebx,%eax
pushl %eax
call dct64_3dnow
addl $12,%esp
jmp .L29
.L28:
leal 1(%edx),%esi
movl 44(%esp),%edi
movl %esi,36(%esp)
leal 1092(%ecx,%edx,4),%eax
pushl %edi
leal 1088(%ecx),%ebx
pushl %eax
sall $2,%esi
leal (%ecx,%edx,4),%eax
pushl %eax
call dct64_3dnow
addl $12,%esp
movl %esi,20(%esp)
.L29:
movl $decwin+64,%edx
movl $16,%ecx
subl 20(%esp),%edx
movl 16(%esp),%edi
movq (%edx),%mm0
movq (%ebx),%mm1
.align 32
.L33:
movq 8(%edx),%mm3
pfmul %mm1,%mm0
movq 8(%ebx),%mm4
movq 16(%edx),%mm5
pfmul %mm4,%mm3
movq 16(%ebx),%mm6
pfadd %mm3,%mm0
movq 24(%edx),%mm1
pfmul %mm6,%mm5
movq 24(%ebx),%mm2
pfadd %mm5,%mm0
movq 32(%edx),%mm3
pfmul %mm2,%mm1
movq 32(%ebx),%mm4
pfadd %mm1,%mm0
movq 40(%edx),%mm5
pfmul %mm4,%mm3
movq 40(%ebx),%mm6
pfadd %mm3,%mm0
movq 48(%edx),%mm1
pfmul %mm6,%mm5
movq 48(%ebx),%mm2
pfadd %mm0,%mm5
movq 56(%edx),%mm3
pfmul %mm1,%mm2
movq 56(%ebx),%mm4
pfadd %mm5,%mm2
addl $64,%ebx
subl $-128,%edx
movq (%edx),%mm0
pfmul %mm4,%mm3
movq (%ebx),%mm1
pfadd %mm3,%mm2
movq %mm2,%mm3
psrlq $32,%mm3
pfsub %mm3,%mm2
incl %ebp
pf2id %mm2,%mm2
packssdw %mm2,%mm2
movd %mm2,%eax
movw %ax,0(%edi)
addl $4,%edi
decl %ecx
jnz .L33
movd (%ebx),%mm0
movd (%edx),%mm1
punpckldq 8(%ebx),%mm0
punpckldq 8(%edx),%mm1
movd 16(%ebx),%mm3
movd 16(%edx),%mm4
pfmul %mm1,%mm0
punpckldq 24(%ebx),%mm3
punpckldq 24(%edx),%mm4
movd 32(%ebx),%mm5
movd 32(%edx),%mm6
pfmul %mm4,%mm3
punpckldq 40(%ebx),%mm5
punpckldq 40(%edx),%mm6
pfadd %mm3,%mm0
movd 48(%ebx),%mm1
movd 48(%edx),%mm2
pfmul %mm6,%mm5
punpckldq 56(%ebx),%mm1
punpckldq 56(%edx),%mm2
pfadd %mm5,%mm0
pfmul %mm2,%mm1
pfadd %mm1,%mm0
pfacc %mm1,%mm0
pf2id %mm0,%mm0
packssdw %mm0,%mm0
movd %mm0,%eax
movw %ax,0(%edi)
incl %ebp
movl 36(%esp),%esi
addl $-64,%ebx
movl $15,%ebp
addl $4,%edi
leal -128(%edx,%esi,8),%edx
movl $15,%ecx
movd (%ebx),%mm0
movd -4(%edx),%mm1
punpckldq 4(%ebx),%mm0
punpckldq -8(%edx),%mm1
.align 32
.L46:
movd 8(%ebx),%mm3
movd -12(%edx),%mm4
pfmul %mm1,%mm0
punpckldq 12(%ebx),%mm3
punpckldq -16(%edx),%mm4
movd 16(%ebx),%mm5
movd -20(%edx),%mm6
pfmul %mm4,%mm3
punpckldq 20(%ebx),%mm5
punpckldq -24(%edx),%mm6
pfadd %mm3,%mm0
movd 24(%ebx),%mm1
movd -28(%edx),%mm2
pfmul %mm6,%mm5
punpckldq 28(%ebx),%mm1
punpckldq -32(%edx),%mm2
pfadd %mm5,%mm0
movd 32(%ebx),%mm3
movd -36(%edx),%mm4
pfmul %mm2,%mm1
punpckldq 36(%ebx),%mm3
punpckldq -40(%edx),%mm4
pfadd %mm1,%mm0
movd 40(%ebx),%mm5
movd -44(%edx),%mm6
pfmul %mm4,%mm3
punpckldq 44(%ebx),%mm5
punpckldq -48(%edx),%mm6
pfadd %mm3,%mm0
movd 48(%ebx),%mm1
movd -52(%edx),%mm2
pfmul %mm6,%mm5
punpckldq 52(%ebx),%mm1
punpckldq -56(%edx),%mm2
pfadd %mm0,%mm5
movd 56(%ebx),%mm3
movd -60(%edx),%mm4
pfmul %mm2,%mm1
punpckldq 60(%ebx),%mm3
punpckldq (%edx),%mm4
pfadd %mm1,%mm5
addl $-128,%edx
addl $-64,%ebx
movd (%ebx),%mm0
movd -4(%edx),%mm1
pfmul %mm4,%mm3
punpckldq 4(%ebx),%mm0
punpckldq -8(%edx),%mm1
pfadd %mm5,%mm3
pfacc %mm3,%mm3
incl %ebp
pf2id %mm3,%mm3
movd %mm3,%eax
negl %eax
movd %eax,%mm3
packssdw %mm3,%mm3
movd %mm3,%eax
movw %ax,(%edi)
addl $4,%edi
decl %ecx
jnz .L46
femms
movl 56(%esp),%esi
movl %ebp,%eax
subl $-128,0(%esi)
popl %ebx
popl %esi
popl %edi
popl %ebp
addl $24,%esp
ret
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