Update of /cvsroot/mplayer/main/mp3lib In directory usw-pr-cvs1:/tmp/cvs-serv10890 Added Files: decode_sse.s Log Message: mp3lib sse support - disabled by default --- NEW FILE --- /// /// Replacement of synth_1to1() with Intel's SSE SIMD operations support /// /// This code based 'decode_k7.s' by Nick Kurshev /// <squash@mb.kcom.ne.jp>,only some types of changes have been made: /// /// - SSE optimization /// - change function name for support SSE automatic detect /// /// Modified by Nick Kurshev <nickols_k@mail.ru> /// / 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 /* int synth_1to1(real *bandPtr,int channel,unsigned char *out) */ .globl synth_1to1_sse synth_1to1_sse: 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 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: movups (%ecx), %xmm4 mulps (%ebx), %xmm4 movups 16(%ecx), %xmm0 mulps 16(%ebx), %xmm0 addps %xmm0, %xmm4 movups 32(%ecx), %xmm1 mulps 32(%ebx), %xmm1 addps %xmm1, %xmm4 movups 48(%ecx), %xmm0 mulps 48(%ebx), %xmm0 addps %xmm0, %xmm4 shufps $0xDD, %xmm4, %xmm1 /* fake of pfacc. 3|2|3|2 */ addps %xmm1, %xmm4 shufps $0x55, %xmm4, %xmm1 /* fake of pfnacc. 1|1|1|1 */ subps %xmm1, %xmm4 cvtps2pi %xmm4, %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 --- movups (%ecx), %xmm4 mulps (%ebx), %xmm4 movups 16(%ecx), %xmm0 mulps 16(%ebx), %xmm0 addps %xmm0, %xmm4 movups 32(%ecx), %xmm1 mulps 32(%ebx), %xmm1 addps %xmm1, %xmm4 movups 48(%ecx), %xmm0 mulps 48(%ebx), %xmm0 addps %xmm0, %xmm4 shufps $0xDD, %xmm4, %xmm1 /* 3|2|3|2 */ addps %xmm1, %xmm4 cvtps2pi %xmm4, %mm4 movd %mm4, %eax sar $16,%eax movw %ax,(%esi) addl $-64,%ebx addl $4,%esi addl $256,%ecx movl $15,%ebp .L68: xorps %xmm3, %xmm3 movups (%ecx), %xmm4 mulps (%ebx), %xmm4 subps %xmm4, %xmm3 movups 16(%ecx), %xmm0 mulps 16(%ebx), %xmm0 subps %xmm0, %xmm3 movups 32(%ecx), %xmm1 mulps 32(%ebx), %xmm1 subps %xmm1, %xmm3 movups 48(%ecx), %xmm0 mulps 48(%ebx), %xmm0 subps %xmm0, %xmm3 shufps $0xDD, %xmm3, %xmm1 /* 3|2|3|2 */ addps %xmm1, %xmm3 shufps $0x55, %xmm3, %xmm1 /* fake of pfacc 1|1|1|1 */ addps %xmm1, %xmm3 cvtps2pi %xmm3, %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 emms movl %edi,%eax popl %ebx popl %esi popl %edi popl %ebp addl $12,%esp ret _______________________________________________ Mplayer-cvslog mailing list Mplayer-cvslog@lists.sourceforge.net http://lists.sourceforge.net/lists/listinfo/mplayer-cvslog