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# this code comes under GPL
.text
.globl synth_1to1_MMX
synth_1to1_MMX:
pushl %ebp
pushl %edi
pushl %esi
pushl %ebx
movl 24(%esp),%ecx
movl 28(%esp),%edi
movl $15,%ebx
movl 36(%esp),%edx
leal (%edi,%ecx,2),%edi
decl %ecx
movl 32(%esp),%esi
movl (%edx),%eax
jecxz .L1
decl %eax
andl %ebx,%eax
leal 1088(%esi),%esi
movl %eax,(%edx)
.L1:
leal (%esi,%eax,2),%edx
movl %eax,%ebp
incl %eax
pushl 20(%esp)
andl %ebx,%eax
leal 544(%esi,%eax,2),%ecx
incl %ebx
testl $1, %eax
jnz .L2
xchgl %edx,%ecx
incl %ebp
leal 544(%esi),%esi
.L2:
pushl %edx
pushl %ecx
call dct64_MMX
addl $12,%esp
leal 1(%ebx), %ecx
subl %ebp,%ebx
leal decwins(%ebx,%ebx,1), %edx
.L3:
movq (%edx),%mm0
pmaddwd (%esi),%mm0
movq 8(%edx),%mm1
pmaddwd 8(%esi),%mm1
movq 16(%edx),%mm2
pmaddwd 16(%esi),%mm2
movq 24(%edx),%mm3
pmaddwd 24(%esi),%mm3
paddd %mm1,%mm0
paddd %mm2,%mm0
paddd %mm3,%mm0
movq %mm0,%mm1
psrlq $32,%mm1
paddd %mm1,%mm0
psrad $13,%mm0
packssdw %mm0,%mm0
movd %mm0,%eax
movw %ax, (%edi)
leal 32(%esi),%esi
leal 64(%edx),%edx
leal 4(%edi),%edi
loop .L3
subl $64,%esi
movl $15,%ecx
.L4:
movq (%edx),%mm0
pmaddwd (%esi),%mm0
movq 8(%edx),%mm1
pmaddwd 8(%esi),%mm1
movq 16(%edx),%mm2
pmaddwd 16(%esi),%mm2
movq 24(%edx),%mm3
pmaddwd 24(%esi),%mm3
paddd %mm1,%mm0
paddd %mm2,%mm0
paddd %mm3,%mm0
movq %mm0,%mm1
psrlq $32,%mm1
paddd %mm0,%mm1
psrad $13,%mm1
packssdw %mm1,%mm1
psubd %mm0,%mm0
psubsw %mm1,%mm0
movd %mm0,%eax
movw %ax,(%edi)
subl $32,%esi
addl $64,%edx
leal 4(%edi),%edi
loop .L4
emms
popl %ebx
popl %esi
popl %edi
popl %ebp
ret
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