diff options
Diffstat (limited to 'mp3lib/decode_3dnow.s')
| -rw-r--r-- | mp3lib/decode_3dnow.s | 265 |
1 files changed, 0 insertions, 265 deletions
diff --git a/mp3lib/decode_3dnow.s b/mp3lib/decode_3dnow.s deleted file mode 100644 index 155508eadf..0000000000 --- a/mp3lib/decode_3dnow.s +++ /dev/null @@ -1,265 +0,0 @@ -/ synth_1to1_3dnow works the same way as the c version of -/ synth_1to1. this assembler code based 'decode-i586.s' -/ (by Stefan Bieschewski <stb@acm.org>), two types of changes -/ have been made: -/ - use {MMX,3DNow!} instruction for reduce cpu -/ - remove unused(?) local symbols -/ -/ useful sources of information on optimizing 3DNow! code include: -/ AMD 3DNow! Technology Manual (Publication #21928) -/ English: http://www.amd.com/K6/k6docs/pdf/21928d.pdf -/ (Japanese: http://www.amd.com/japan/K6/k6docs/j21928c.pdf) -/ AMD-K6-2 Processor Code Optimization Application Note (Publication #21924) -/ English: http://www.amd.com/K6/k6docs/pdf/21924b.pdf -/ -/ This code was tested only AMD-K6-2 processor Linux systems, -/ please tell me: -/ - whether this code works on other 3DNow! capable processors -/ (ex.IDT-C6-2) or not -/ - whether this code works on other OSes or not -/ -/ by KIMURA Takuhiro <kim@hannah.ipc.miyakyo-u.ac.jp> - until 31.Mar.1998 -/ <kim@comtec.co.jp> - after 1.Apr.1998 - -/ Enhancments for q-word operation by Michael Hipp - -.bss - .comm buffs,4352,4 -.data - .align 4 -bo: - .long 1 -.text -.globl synth_1to1_3dnow -synth_1to1_3dnow: - subl $12,%esp - pushl %ebp - pushl %edi - pushl %esi - pushl %ebx - movl 32(%esp),%eax - movl 40(%esp),%esi - movl $0,%edi - movl bo,%ebp - cmpl %edi,36(%esp) - jne .L48 - decl %ebp - andl $15,%ebp - movl %ebp,bo - movl $buffs,%ecx - jmp .L49 -.L48: - addl $2,%esi - movl $buffs+2176,%ecx -.L49: - testl $1,%ebp - je .L50 - movl %ecx,%ebx - movl %ebp,16(%esp) - pushl %eax - movl 20(%esp),%edx - leal (%ebx,%edx,4),%eax - pushl %eax - movl 24(%esp),%eax - incl %eax - andl $15,%eax - leal 1088(,%eax,4),%eax - addl %ebx,%eax - jmp .L74 -.L50: - leal 1088(%ecx),%ebx - leal 1(%ebp),%edx - movl %edx,16(%esp) - pushl %eax - leal 1092(%ecx,%ebp,4),%eax - pushl %eax - leal (%ecx,%ebp,4),%eax -.L74: - pushl %eax - call dct64_3dnow - addl $12,%esp - movl 16(%esp),%edx - leal 0(,%edx,4),%edx - movl $decwin+64,%eax - movl %eax,%ecx - subl %edx,%ecx - movl $16,%ebp - -.L55: - movq (%ecx),%mm4 - movq (%ebx),%mm3 - movq 8(%ecx),%mm0 - movq 8(%ebx),%mm1 - pfmul %mm3,%mm4 - - movq 16(%ecx),%mm2 - pfmul %mm1,%mm0 - movq 16(%ebx),%mm3 - pfadd %mm0,%mm4 - - movq 24(%ecx),%mm0 - pfmul %mm2,%mm3 - movq 24(%ebx),%mm1 - pfadd %mm3,%mm4 - - movq 32(%ecx),%mm2 - pfmul %mm1,%mm0 - movq 32(%ebx),%mm3 - pfadd %mm0,%mm4 - - movq 40(%ecx),%mm0 - pfmul %mm2,%mm3 - movq 40(%ebx),%mm1 - pfadd %mm3,%mm4 - - movq 48(%ecx),%mm2 - pfmul %mm1,%mm0 - movq 48(%ebx),%mm3 - pfadd %mm0,%mm4 - - movq 56(%ecx),%mm0 - pfmul %mm2,%mm3 - movq 56(%ebx),%mm1 - pfadd %mm3,%mm4 - - pfmul %mm1,%mm0 - pfadd %mm0,%mm4 - - movq %mm4,%mm0 - psrlq $32,%mm0 - pfsub %mm0,%mm4 - - pf2id %mm4,%mm4 - movd %mm4,%eax - - sar $16,%eax - movw %ax,(%esi) - - addl $64,%ebx - subl $-128,%ecx - addl $4,%esi - decl %ebp - jnz .L55 - -/ --- end of loop 1 --- - - movd (%ecx),%mm2 - movd (%ebx),%mm1 - pfmul %mm1,%mm2 - - movd 8(%ecx),%mm0 - movd 8(%ebx),%mm1 - pfmul %mm0,%mm1 - pfadd %mm1,%mm2 - - movd 16(%ecx),%mm0 - movd 16(%ebx),%mm1 - pfmul %mm0,%mm1 - pfadd %mm1,%mm2 - - movd 24(%ecx),%mm0 - movd 24(%ebx),%mm1 - pfmul %mm0,%mm1 - pfadd %mm1,%mm2 - - movd 32(%ecx),%mm0 - movd 32(%ebx),%mm1 - pfmul %mm0,%mm1 - pfadd %mm1,%mm2 - - movd 40(%ecx),%mm0 - movd 40(%ebx),%mm1 - pfmul %mm0,%mm1 - pfadd %mm1,%mm2 - - movd 48(%ecx),%mm0 - movd 48(%ebx),%mm1 - pfmul %mm0,%mm1 - pfadd %mm1,%mm2 - - movd 56(%ecx),%mm0 - movd 56(%ebx),%mm1 - pfmul %mm0,%mm1 - pfadd %mm1,%mm2 - - pf2id %mm2,%mm2 - movd %mm2,%eax - - sar $16,%eax - - movw %ax,(%esi) - - addl $-64,%ebx - addl $4,%esi - addl $256,%ecx - movl $15,%ebp - -.L68: - psubd %mm0,%mm0 - - movq (%ebx),%mm1 - movq (%ecx),%mm2 - pfmul %mm1,%mm2 - pfsub %mm2,%mm0 - - movq 8(%ebx),%mm3 - movq 8(%ecx),%mm4 - pfmul %mm3,%mm4 - pfsub %mm4,%mm0 - - movq 16(%ebx),%mm1 - movq 16(%ecx),%mm2 - pfmul %mm1,%mm2 - pfsub %mm2,%mm0 - - movq 24(%ebx),%mm3 - movq 24(%ecx),%mm4 - pfmul %mm3,%mm4 - pfsub %mm4,%mm0 - - movq 32(%ebx),%mm1 - movq 32(%ecx),%mm2 - pfmul %mm1,%mm2 - pfsub %mm2,%mm0 - - movq 40(%ebx),%mm3 - movq 40(%ecx),%mm4 - pfmul %mm3,%mm4 - pfsub %mm4,%mm0 - - movq 48(%ebx),%mm1 - movq 48(%ecx),%mm2 - pfmul %mm1,%mm2 - pfsub %mm2,%mm0 - - movq 56(%ebx),%mm3 - movq 56(%ecx),%mm4 - pfmul %mm3,%mm4 - pfsub %mm4,%mm0 - - pfacc %mm0,%mm0 - - pf2id %mm0,%mm0 - movd %mm0,%eax - - sar $16,%eax - - movw %ax,(%esi) - - addl $-64,%ebx - subl $-128,%ecx - addl $4,%esi - decl %ebp - jnz .L68 - -/ --- end of loop 2 - - femms - - movl %edi,%eax - popl %ebx - popl %esi - popl %edi - popl %ebp - addl $12,%esp - ret |