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