mirror of
https://github.com/mpv-player/mpv
synced 2024-12-13 18:36:09 +00:00
1ef62462ce
"assembler" comment characters ('/') instead.
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@1284 b3059339-0415-0410-9bf9-f77b7e298cf2
253 lines
5.4 KiB
ArmAsm
253 lines
5.4 KiB
ArmAsm
# this code comes under GPL
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# This code was taken from http://www.mpg123.org
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# See ChangeLog of mpg123-0.59s-pre.1 for detail
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# Applied to mplayer by Nick Kurshev <nickols_k@mail.ru>
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#
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# Local ChangeLog:
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# - Partial loops unrolling and removing MOVW insn from loops
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#
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.data
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.align 8
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null_one: .long 0x0000ffff, 0x0000ffff
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one_null: .long 0xffff0000, 0xffff0000
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.globl costab_mmx
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costab_mmx:
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.long 1056974725
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.long 1057056395
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.long 1057223771
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.long 1057485416
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.long 1057855544
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.long 1058356026
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.long 1059019886
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.long 1059897405
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.long 1061067246
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.long 1062657950
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.long 1064892987
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.long 1066774581
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.long 1069414683
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.long 1073984175
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.long 1079645762
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.long 1092815430
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.long 1057005197
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.long 1057342072
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.long 1058087743
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.long 1059427869
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.long 1061799040
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.long 1065862217
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.long 1071413542
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.long 1084439708
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.long 1057128951
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.long 1058664893
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.long 1063675095
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.long 1076102863
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.long 1057655764
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.long 1067924853
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.long 1060439283
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.text
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.globl synth_1to1_MMX_s
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//
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// void synth_1to1_MMX_s(real *bandPtr, int channel, short *samples,
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// short *buffs, int *bo);
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//
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synth_1to1_MMX_s:
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pushl %ebp
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pushl %edi
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pushl %esi
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pushl %ebx
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movl 24(%esp),%ecx
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movl 28(%esp),%edi
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movl $15,%ebx
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movl 36(%esp),%edx
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leal (%edi,%ecx,2),%edi
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decl %ecx
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movl 32(%esp),%esi
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movl (%edx),%eax
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jecxz .L1
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decl %eax
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andl %ebx,%eax
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leal 1088(%esi),%esi
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movl %eax,(%edx)
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.L1:
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leal (%esi,%eax,2),%edx
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movl %eax,%ebp
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incl %eax
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pushl 20(%esp)
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andl %ebx,%eax
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leal 544(%esi,%eax,2),%ecx
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incl %ebx
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testl $1, %eax
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jnz .L2
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xchgl %edx,%ecx
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incl %ebp
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leal 544(%esi),%esi
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.L2:
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emms
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pushl %edx
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pushl %ecx
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call *dct64_MMX_func
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leal 1(%ebx), %ecx
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subl %ebp,%ebx
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pushl %ecx
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leal decwins(%ebx,%ebx,1), %edx
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shrl $1, %ecx
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.align 16
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.L3:
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movq (%edx),%mm0
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movq 64(%edx),%mm4
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pmaddwd (%esi),%mm0
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pmaddwd 32(%esi),%mm4
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movq 8(%edx),%mm1
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movq 72(%edx),%mm5
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pmaddwd 8(%esi),%mm1
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pmaddwd 40(%esi),%mm5
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movq 16(%edx),%mm2
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movq 80(%edx),%mm6
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pmaddwd 16(%esi),%mm2
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pmaddwd 48(%esi),%mm6
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movq 24(%edx),%mm3
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movq 88(%edx),%mm7
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pmaddwd 24(%esi),%mm3
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pmaddwd 56(%esi),%mm7
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paddd %mm1,%mm0
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paddd %mm5,%mm4
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paddd %mm2,%mm0
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paddd %mm6,%mm4
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paddd %mm3,%mm0
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paddd %mm7,%mm4
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movq %mm0,%mm1
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movq %mm4,%mm5
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psrlq $32,%mm1
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psrlq $32,%mm5
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paddd %mm1,%mm0
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paddd %mm5,%mm4
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psrad $13,%mm0
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psrad $13,%mm4
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packssdw %mm0,%mm0
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packssdw %mm4,%mm4
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movq (%edi), %mm1
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punpckldq %mm4, %mm0
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pand one_null, %mm1
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pand null_one, %mm0
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por %mm0, %mm1
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movq %mm1,(%edi)
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leal 64(%esi),%esi
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leal 128(%edx),%edx
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leal 8(%edi),%edi
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decl %ecx
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jnz .L3
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popl %ecx
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andl $1, %ecx
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jecxz .next_loop
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movq (%edx),%mm0
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pmaddwd (%esi),%mm0
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movq 8(%edx),%mm1
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pmaddwd 8(%esi),%mm1
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movq 16(%edx),%mm2
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pmaddwd 16(%esi),%mm2
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movq 24(%edx),%mm3
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pmaddwd 24(%esi),%mm3
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paddd %mm1,%mm0
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paddd %mm2,%mm0
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paddd %mm3,%mm0
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movq %mm0,%mm1
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psrlq $32,%mm1
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paddd %mm1,%mm0
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psrad $13,%mm0
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packssdw %mm0,%mm0
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movd %mm0,%eax
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movw %ax, (%edi)
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leal 32(%esi),%esi
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leal 64(%edx),%edx
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leal 4(%edi),%edi
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.next_loop:
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subl $64,%esi
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movl $7,%ecx
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.align 16
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.L4:
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movq (%edx),%mm0
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movq 64(%edx),%mm4
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pmaddwd (%esi),%mm0
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pmaddwd -32(%esi),%mm4
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movq 8(%edx),%mm1
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movq 72(%edx),%mm5
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pmaddwd 8(%esi),%mm1
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pmaddwd -24(%esi),%mm5
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movq 16(%edx),%mm2
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movq 80(%edx),%mm6
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pmaddwd 16(%esi),%mm2
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pmaddwd -16(%esi),%mm6
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movq 24(%edx),%mm3
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movq 88(%edx),%mm7
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pmaddwd 24(%esi),%mm3
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pmaddwd -8(%esi),%mm7
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paddd %mm1,%mm0
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paddd %mm5,%mm4
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paddd %mm2,%mm0
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paddd %mm6,%mm4
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paddd %mm3,%mm0
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paddd %mm7,%mm4
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movq %mm0,%mm1
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movq %mm4,%mm5
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psrlq $32,%mm1
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psrlq $32,%mm5
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paddd %mm0,%mm1
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paddd %mm4,%mm5
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psrad $13,%mm1
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psrad $13,%mm5
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packssdw %mm1,%mm1
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packssdw %mm5,%mm5
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psubd %mm0,%mm0
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psubd %mm4,%mm4
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psubsw %mm1,%mm0
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psubsw %mm5,%mm4
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movq (%edi), %mm1
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punpckldq %mm4, %mm0
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pand one_null, %mm1
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pand null_one, %mm0
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por %mm0, %mm1
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movq %mm1,(%edi)
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subl $64,%esi
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addl $128,%edx
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leal 8(%edi),%edi
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decl %ecx
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jnz .L4
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movq (%edx),%mm0
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pmaddwd (%esi),%mm0
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movq 8(%edx),%mm1
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pmaddwd 8(%esi),%mm1
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movq 16(%edx),%mm2
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pmaddwd 16(%esi),%mm2
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movq 24(%edx),%mm3
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pmaddwd 24(%esi),%mm3
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paddd %mm1,%mm0
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paddd %mm2,%mm0
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paddd %mm3,%mm0
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movq %mm0,%mm1
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psrlq $32,%mm1
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paddd %mm0,%mm1
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psrad $13,%mm1
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packssdw %mm1,%mm1
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psubd %mm0,%mm0
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psubsw %mm1,%mm0
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movd %mm0,%eax
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movw %ax,(%edi)
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emms
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popl %ebx
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popl %esi
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popl %edi
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popl %ebp
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ret
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