From 607dce96c0225e30ae2e7f3b8de2d00b4f064805 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Fri, 17 May 2002 01:04:14 +0000 Subject: [PATCH] hopefully faster mmx2&3dnow MC Originally committed as revision 506 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/i386/dsputil_mmx.c | 187 +++++++------- libavcodec/i386/dsputil_mmx_avg.h | 498 ++++++++++++++++++++------------------ 2 files changed, 362 insertions(+), 323 deletions(-) diff --git a/libavcodec/i386/dsputil_mmx.c b/libavcodec/i386/dsputil_mmx.c index 8ec0cae..d01e6af 100644 --- a/libavcodec/i386/dsputil_mmx.c +++ b/libavcodec/i386/dsputil_mmx.c @@ -21,6 +21,7 @@ #include "../dsputil.h" #include "../simple_idct.h" +#include "../mangle.h" int mm_flags; /* multimedia extension flags */ @@ -49,6 +50,7 @@ void ff_mmx_idct(DCTELEM *block); void ff_mmxext_idct(DCTELEM *block); /* pixel operations */ +static const unsigned long long int mm_bone __attribute__ ((aligned(8))) = 0x0101010101010101LL; static const unsigned long long int mm_wone __attribute__ ((aligned(8))) = 0x0001000100010001LL; static const unsigned long long int mm_wtwo __attribute__ ((aligned(8))) = 0x0002000200020002LL; //static const unsigned short mm_wone[4] __attribute__ ((aligned(8))) = { 0x1, 0x1, 0x1, 0x1 }; @@ -90,7 +92,7 @@ static const unsigned long long int mm_wtwo __attribute__ ((aligned(8))) = 0x000 /***********************************/ /* MMX2 specific */ -#define DEF(x) x ## _sse +#define DEF(x) x ## _mmx2 /* Introduced only in MMX2 set */ #define PAVGB "pavgb" @@ -105,41 +107,38 @@ static const unsigned long long int mm_wtwo __attribute__ ((aligned(8))) = 0x000 static void get_pixels_mmx(DCTELEM *block, const UINT8 *pixels, int line_size) { - DCTELEM *p; - const UINT8 *pix; - int i; - - /* read the pixels */ - p = block; - pix = pixels; - MOVQ_ZERO(mm7); - for(i=0;i<4;i++) { - __asm __volatile( - "movq %1, %%mm0\n\t" - "movq %2, %%mm1\n\t" - "movq %%mm0, %%mm2\n\t" - "movq %%mm1, %%mm3\n\t" - "punpcklbw %%mm7, %%mm0\n\t" - "punpckhbw %%mm7, %%mm2\n\t" - "punpcklbw %%mm7, %%mm1\n\t" - "punpckhbw %%mm7, %%mm3\n\t" - "movq %%mm0, %0\n\t" - "movq %%mm2, 8%0\n\t" - "movq %%mm1, 16%0\n\t" - "movq %%mm3, 24%0\n\t" - :"=m"(*p) - :"m"(*pix), "m"(*(pix+line_size)) - :"memory"); - pix += line_size*2; - p += 16; - } + asm volatile( + "movl $-128, %%eax \n\t" + "pxor %%mm7, %%mm7 \n\t" + ".balign 16 \n\t" + "1: \n\t" + "movq (%0), %%mm0 \n\t" + "movq (%0, %2), %%mm2 \n\t" + "movq %%mm0, %%mm1 \n\t" + "movq %%mm2, %%mm3 \n\t" + "punpcklbw %%mm7, %%mm0 \n\t" + "punpckhbw %%mm7, %%mm1 \n\t" + "punpcklbw %%mm7, %%mm2 \n\t" + "punpckhbw %%mm7, %%mm3 \n\t" + "movq %%mm0, (%1, %%eax)\n\t" + "movq %%mm1, 8(%1, %%eax)\n\t" + "movq %%mm2, 16(%1, %%eax)\n\t" + "movq %%mm3, 24(%1, %%eax)\n\t" + "addl %3, %0 \n\t" + "addl $32, %%eax \n\t" + "js 1b \n\t" + : "+r" (pixels) + : "r" (block+64), "r" (line_size), "r" (line_size*2) + : "%eax" + ); } static void diff_pixels_mmx(DCTELEM *block, const UINT8 *s1, const UINT8 *s2, int stride) { asm volatile( - ".balign 16 \n\t" + "pxor %%mm7, %%mm7 \n\t" "movl $-128, %%eax \n\t" + ".balign 16 \n\t" "1: \n\t" "movq (%0), %%mm0 \n\t" "movq (%1), %%mm2 \n\t" @@ -261,56 +260,62 @@ static void add_pixels_clamped_mmx(const DCTELEM *block, UINT8 *pixels, int line static void put_pixels_mmx(UINT8 *block, const UINT8 *pixels, int line_size, int h) { - int hh; - UINT8 *p; - const UINT8 *pix; - - p = block; - pix = pixels; // 2s -#if 0 - do { - __asm __volatile( - "movq %1, %%mm0\n\t" - "movq %%mm0, %0\n\t" - :"=m"(*p) - :"m"(*pix) - :"memory"); - pix += line_size; - p += line_size; - } while (--h); +#if 0 //FIXME h==4 case + asm volatile( + "xorl %%eax, %%eax \n\t" + "movl %3, %%esi \n\t" + "1: \n\t" + "movq (%1, %%eax), %%mm0 \n\t" + "movq %%mm0, (%0, %%eax) \n\t" + "addl %2, %%eax \n\t" + "movq (%1, %%eax), %%mm0 \n\t" + "movq %%mm0, (%0, %%eax) \n\t" + "addl %2, %%eax \n\t" + "movq (%1, %%eax), %%mm0 \n\t" + "movq %%mm0, (%0, %%eax) \n\t" + "addl %2, %%eax \n\t" + "movq (%1, %%eax), %%mm0 \n\t" + "movq %%mm0, (%0, %%eax) \n\t" + "addl %2, %%eax \n\t" + "movq (%1, %%eax), %%mm0 \n\t" + "movq %%mm0, (%0, %%eax) \n\t" + "addl %2, %%eax \n\t" + "movq (%1, %%eax), %%mm0 \n\t" + "movq %%mm0, (%0, %%eax) \n\t" + "addl %2, %%eax \n\t" + "movq (%1, %%eax), %%mm0 \n\t" + "movq %%mm0, (%0, %%eax) \n\t" + "addl %2, %%eax \n\t" + "movq (%1, %%eax), %%mm0 \n\t" + "movq %%mm0, (%0, %%eax) \n\t" + "addl %2, %%eax \n\t" + "subl $8, %%esi \n\t" + " jnz 1b \n\t" + :: "r" (block), "r" (pixels), "r"(line_size), "m"(h) + : "%eax", "%esi", "memory" + ); #else - // this optimized code is not very usefull - // the above loop is definitely faster - // at least on Celeron 500MHz - hh = h & 3; - while (hh) { - __asm __volatile( - "movq %1, %%mm0\n\t" - "movq %%mm0, %0\n\t" - :"=m"(*p) - :"m"(*pix) - :"memory"); - pix += line_size; - p += line_size; - hh--; - } - hh=h>>2; - while (hh) { - __asm __volatile( - "movq (%1), %%mm0 \n\t" - "movq (%1, %2), %%mm1 \n\t" - "movq (%1, %2, 2), %%mm2 \n\t" - "movq (%1, %3), %%mm3 \n\t" - "movq %%mm0, (%0) \n\t" - "movq %%mm1, (%0, %2) \n\t" - "movq %%mm2, (%0, %2, 2) \n\t" - "movq %%mm3, (%0, %3) \n\t" - ::"r"(p), "r"(pix), "r"(line_size), "r"(line_size*3) - :"memory"); - pix += line_size*4; - p += line_size*4; - hh--; - } + asm volatile( + "xorl %%eax, %%eax \n\t" + "movl %3, %%esi \n\t" + "1: \n\t" + "movq (%1, %%eax), %%mm0 \n\t" + "movq %%mm0, (%0, %%eax) \n\t" + "addl %2, %%eax \n\t" + "movq (%1, %%eax), %%mm0 \n\t" + "movq %%mm0, (%0, %%eax) \n\t" + "addl %2, %%eax \n\t" + "movq (%1, %%eax), %%mm0 \n\t" + "movq %%mm0, (%0, %%eax) \n\t" + "addl %2, %%eax \n\t" + "movq (%1, %%eax), %%mm0 \n\t" + "movq %%mm0, (%0, %%eax) \n\t" + "addl %2, %%eax \n\t" + "subl $4, %%esi \n\t" + " jnz 1b \n\t" + :: "r" (block), "r" (pixels), "r"(line_size), "m"(h) + : "%eax", "%esi", "memory" + ); #endif } @@ -1124,7 +1129,7 @@ void dsputil_init_mmx(void) avg_no_rnd_pixels_tab[1] = avg_no_rnd_pixels_x2_mmx; avg_no_rnd_pixels_tab[2] = avg_no_rnd_pixels_y2_mmx; avg_no_rnd_pixels_tab[3] = avg_no_rnd_pixels_xy2_mmx; - + sub_pixels_tab[0] = sub_pixels_mmx; sub_pixels_tab[1] = sub_pixels_x2_mmx; sub_pixels_tab[2] = sub_pixels_y2_mmx; @@ -1140,20 +1145,24 @@ void dsputil_init_mmx(void) pix_abs8x8_x2 = pix_abs8x8_x2_mmx2; pix_abs8x8_y2 = pix_abs8x8_y2_mmx2; pix_abs8x8_xy2= pix_abs8x8_xy2_mmx2; + + put_pixels_tab[1] = put_pixels_x2_mmx2; + put_pixels_tab[2] = put_pixels_y2_mmx2; + put_no_rnd_pixels_tab[1] = put_no_rnd_pixels_x2_mmx2; + put_no_rnd_pixels_tab[2] = put_no_rnd_pixels_y2_mmx2; - put_pixels_tab[1] = put_pixels_x2_sse; - put_pixels_tab[2] = put_pixels_y2_sse; - - avg_pixels_tab[0] = avg_pixels_sse; - avg_pixels_tab[1] = avg_pixels_x2_sse; - avg_pixels_tab[2] = avg_pixels_y2_sse; - avg_pixels_tab[3] = avg_pixels_xy2_sse; + avg_pixels_tab[0] = avg_pixels_mmx2; + avg_pixels_tab[1] = avg_pixels_x2_mmx2; + avg_pixels_tab[2] = avg_pixels_y2_mmx2; + avg_pixels_tab[3] = avg_pixels_xy2_mmx2; - sub_pixels_tab[1] = sub_pixels_x2_sse; - sub_pixels_tab[2] = sub_pixels_y2_sse; + sub_pixels_tab[1] = sub_pixels_x2_mmx2; + sub_pixels_tab[2] = sub_pixels_y2_mmx2; } else if (mm_flags & MM_3DNOW) { put_pixels_tab[1] = put_pixels_x2_3dnow; put_pixels_tab[2] = put_pixels_y2_3dnow; + put_no_rnd_pixels_tab[1] = put_no_rnd_pixels_x2_3dnow; + put_no_rnd_pixels_tab[2] = put_no_rnd_pixels_y2_3dnow; avg_pixels_tab[0] = avg_pixels_3dnow; avg_pixels_tab[1] = avg_pixels_x2_3dnow; diff --git a/libavcodec/i386/dsputil_mmx_avg.h b/libavcodec/i386/dsputil_mmx_avg.h index 830fe9f..df773b7 100644 --- a/libavcodec/i386/dsputil_mmx_avg.h +++ b/libavcodec/i386/dsputil_mmx_avg.h @@ -1,6 +1,7 @@ /* * DSP utils : average functions are compiled twice for 3dnow/mmx2 * Copyright (c) 2000, 2001 Gerard Lantau. + * Copyright (c) 2002 Michael Niedermayer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -17,271 +18,300 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * * MMX optimization by Nick Kurshev + * mostly rewritten by Michael Niedermayer */ static void DEF(put_pixels_x2)(UINT8 *block, const UINT8 *pixels, int line_size, int h) { - int dh, hh; - UINT8 *p; - const UINT8 *pix; - p = block; - pix = pixels; - hh=h>>2; - dh=h&3; - while(hh--) { __asm __volatile( - "movq (%1), %%mm0\n\t" - "movq 1(%1), %%mm1\n\t" - "movq (%1, %2), %%mm2\n\t" - "movq 1(%1, %2), %%mm3\n\t" - "movq (%1, %2, 2), %%mm4\n\t" - "movq 1(%1, %2, 2), %%mm5\n\t" - "movq (%1, %3), %%mm6\n\t" - "movq 1(%1, %3), %%mm7\n\t" - PAVGB" %%mm1, %%mm0\n\t" - PAVGB" %%mm3, %%mm2\n\t" - PAVGB" %%mm5, %%mm4\n\t" - PAVGB" %%mm7, %%mm6\n\t" - "movq %%mm0, (%0)\n\t" - "movq %%mm2, (%0, %2)\n\t" - "movq %%mm4, (%0, %2, 2)\n\t" - "movq %%mm6, (%0, %3)\n\t" - ::"r"(p), "r"(pix), "r" (line_size), "r" (line_size*3) - :"memory"); - pix += line_size*4; p += line_size*4; - } - while(dh--) { + "xorl %%eax, %%eax \n\t" + ".balign 16 \n\t" + "1: \n\t" + "movq (%1, %%eax), %%mm0 \n\t" + "movq 1(%1, %%eax), %%mm1 \n\t" + "movq (%2, %%eax), %%mm2 \n\t" + "movq 1(%2, %%eax), %%mm3 \n\t" + PAVGB" %%mm1, %%mm0 \n\t" + PAVGB" %%mm3, %%mm2 \n\t" + "movq %%mm0, (%3, %%eax) \n\t" + "movq %%mm2, (%4, %%eax) \n\t" + "addl %5, %%eax \n\t" + "movq (%1, %%eax), %%mm0 \n\t" + "movq 1(%1, %%eax), %%mm1 \n\t" + "movq (%2, %%eax), %%mm2 \n\t" + "movq 1(%2, %%eax), %%mm3 \n\t" + PAVGB" %%mm1, %%mm0 \n\t" + PAVGB" %%mm3, %%mm2 \n\t" + "movq %%mm0, (%3, %%eax) \n\t" + "movq %%mm2, (%4, %%eax) \n\t" + "addl %5, %%eax \n\t" + "subl $4, %0 \n\t" + " jnz 1b \n\t" + :"+g"(h) + :"r"(pixels), "r"(pixels+line_size), "r" (block), "r" (block+line_size), + "r"(line_size<<1) + :"%eax", "memory"); +} + +static void DEF(put_no_rnd_pixels_x2)(UINT8 *block, const UINT8 *pixels, int line_size, int h) +{ __asm __volatile( - "movq %1, %%mm0\n\t" - "movq 1%1, %%mm1\n\t" - PAVGB" %%mm1, %%mm0\n\t" - "movq %%mm0, %0\n\t" - :"=m"(*p) - :"m"(*pix) - :"memory"); - pix += line_size; p += line_size; - } + "xorl %%eax, %%eax \n\t" + "movq "MANGLE(mm_bone)", %%mm7 \n\t" + ".balign 16 \n\t" + "1: \n\t" + "movq (%1, %%eax), %%mm0 \n\t" + "movq 1(%1, %%eax), %%mm1 \n\t" + "movq (%2, %%eax), %%mm2 \n\t" + "movq 1(%2, %%eax), %%mm3 \n\t" + "psubusb %%mm7, %%mm0 \n\t" + "psubusb %%mm7, %%mm2 \n\t" + PAVGB" %%mm1, %%mm0 \n\t" + PAVGB" %%mm3, %%mm2 \n\t" + "movq %%mm0, (%3, %%eax) \n\t" + "movq %%mm2, (%4, %%eax) \n\t" + "addl %5, %%eax \n\t" + "movq (%1, %%eax), %%mm0 \n\t" + "movq 1(%1, %%eax), %%mm1 \n\t" + "movq (%2, %%eax), %%mm2 \n\t" + "movq 1(%2, %%eax), %%mm3 \n\t" + "psubusb %%mm7, %%mm0 \n\t" + "psubusb %%mm7, %%mm2 \n\t" + PAVGB" %%mm1, %%mm0 \n\t" + PAVGB" %%mm3, %%mm2 \n\t" + "movq %%mm0, (%3, %%eax) \n\t" + "movq %%mm2, (%4, %%eax) \n\t" + "addl %5, %%eax \n\t" + "subl $4, %0 \n\t" + " jnz 1b \n\t" + :"+g"(h) + :"r"(pixels), "r"(pixels+line_size), "r" (block), "r" (block+line_size), + "r"(line_size<<1) + :"%eax", "memory"); } static void DEF(put_pixels_y2)(UINT8 *block, const UINT8 *pixels, int line_size, int h) { - int dh, hh; - UINT8 *p; - const UINT8 *pix; - p = block; - pix = pixels; - - hh=h>>1; - dh=h&1; - while(hh--) { __asm __volatile( - "movq %2, %%mm0\n\t" - "movq %3, %%mm1\n\t" - "movq %4, %%mm2\n\t" - PAVGB" %%mm1, %%mm0\n\t" - PAVGB" %%mm2, %%mm1\n\t" - "movq %%mm0, %0\n\t" - "movq %%mm1, %1\n\t" - :"=m"(*p), "=m"(*(p+line_size)) - :"m"(*pix), "m"(*(pix+line_size)), - "m"(*(pix+line_size*2)) - :"memory"); - pix += line_size*2; - p += line_size*2; - } - if(dh) { + "xorl %%eax, %%eax \n\t" + "movq (%1), %%mm0 \n\t" + ".balign 16 \n\t" + "1: \n\t" + "movq (%2, %%eax), %%mm1 \n\t" + "movq (%3, %%eax), %%mm2 \n\t" + PAVGB" %%mm1, %%mm0 \n\t" + PAVGB" %%mm2, %%mm1 \n\t" + "movq %%mm0, (%4, %%eax) \n\t" + "movq %%mm1, (%5, %%eax) \n\t" + "addl %6, %%eax \n\t" + "movq (%2, %%eax), %%mm1 \n\t" + "movq (%3, %%eax), %%mm0 \n\t" + PAVGB" %%mm1, %%mm2 \n\t" + PAVGB" %%mm0, %%mm1 \n\t" + "movq %%mm2, (%4, %%eax) \n\t" + "movq %%mm1, (%5, %%eax) \n\t" + "addl %6, %%eax \n\t" + "subl $4, %0 \n\t" + " jnz 1b \n\t" + :"+g"(h) + :"r"(pixels), "r"(pixels+line_size), "r"(pixels+line_size*2), "r" (block), + "r" (block+line_size), "g"(line_size<<1) + :"%eax", "memory"); +} + +static void DEF(put_no_rnd_pixels_y2)(UINT8 *block, const UINT8 *pixels, int line_size, int h) +{ __asm __volatile( - "movq %1, %%mm0\n\t" - "movq %2, %%mm1\n\t" - PAVGB" %%mm1, %%mm0\n\t" - "movq %%mm0, %0\n\t" - :"=m"(*p) - :"m"(*pix), - "m"(*(pix+line_size)) - :"memory"); - } + "movq "MANGLE(mm_bone)", %%mm7 \n\t" + "xorl %%eax, %%eax \n\t" + "movq (%1), %%mm0 \n\t" + ".balign 16 \n\t" + "1: \n\t" + "movq (%2, %%eax), %%mm1 \n\t" + "movq (%3, %%eax), %%mm2 \n\t" + "psubusb %%mm7, %%mm1 \n\t" + PAVGB" %%mm1, %%mm0 \n\t" + PAVGB" %%mm2, %%mm1 \n\t" + "movq %%mm0, (%4, %%eax) \n\t" + "movq %%mm1, (%5, %%eax) \n\t" + "addl %6, %%eax \n\t" + "movq (%2, %%eax), %%mm1 \n\t" + "movq (%3, %%eax), %%mm0 \n\t" + "psubusb %%mm7, %%mm1 \n\t" + PAVGB" %%mm1, %%mm2 \n\t" + PAVGB" %%mm0, %%mm1 \n\t" + "movq %%mm2, (%4, %%eax) \n\t" + "movq %%mm1, (%5, %%eax) \n\t" + "addl %6, %%eax \n\t" + "subl $4, %0 \n\t" + " jnz 1b \n\t" + :"+g"(h) + :"r"(pixels), "r"(pixels+line_size), "r"(pixels+line_size*2), "r" (block), + "r" (block+line_size), "g"(line_size<<1) + :"%eax", "memory"); } static void DEF(avg_pixels)(UINT8 *block, const UINT8 *pixels, int line_size, int h) { - int dh, hh; - UINT8 *p; - const UINT8 *pix; - p = block; - pix = pixels; - hh=h>>2; - dh=h&3; - while(hh--) { __asm __volatile( - "movq (%0), %%mm0\n\t" - "movq (%1), %%mm1\n\t" - "movq (%0, %2), %%mm2\n\t" - "movq (%1, %2), %%mm3\n\t" - "movq (%0, %2, 2), %%mm4\n\t" - "movq (%1, %2, 2), %%mm5\n\t" - "movq (%0, %3), %%mm6\n\t" - "movq (%1, %3), %%mm7\n\t" - PAVGB" %%mm1, %%mm0\n\t" - PAVGB" %%mm3, %%mm2\n\t" - PAVGB" %%mm5, %%mm4\n\t" - PAVGB" %%mm7, %%mm6\n\t" - "movq %%mm0, (%0)\n\t" - "movq %%mm2, (%0, %2)\n\t" - "movq %%mm4, (%0, %2, 2)\n\t" - "movq %%mm6, (%0, %3)\n\t" - ::"r"(p), "r"(pix), "r" (line_size), "r" (line_size*3) - :"memory"); - pix += line_size*4; p += line_size*4; - } - while(dh--) { - __asm __volatile( - "movq %0, %%mm0\n\t" - "movq %1, %%mm1\n\t" - PAVGB" %%mm1, %%mm0\n\t" - "movq %%mm0, %0\n\t" - :"+m"(*p) - :"m"(*pix) - :"memory"); - pix += line_size; p += line_size; - } + "xorl %%eax, %%eax \n\t" + ".balign 16 \n\t" + "1: \n\t" + "movq (%1, %%eax), %%mm0 \n\t" + "movq (%2, %%eax), %%mm2 \n\t" + "movq (%3, %%eax), %%mm3 \n\t" + "movq (%4, %%eax), %%mm4 \n\t" + PAVGB" %%mm3, %%mm0 \n\t" + PAVGB" %%mm4, %%mm2 \n\t" + "movq %%mm0, (%3, %%eax) \n\t" + "movq %%mm2, (%4, %%eax) \n\t" + "addl %5, %%eax \n\t" + "movq (%1, %%eax), %%mm0 \n\t" + "movq (%2, %%eax), %%mm2 \n\t" + "movq (%3, %%eax), %%mm3 \n\t" + "movq (%4, %%eax), %%mm4 \n\t" + PAVGB" %%mm3, %%mm0 \n\t" + PAVGB" %%mm4, %%mm2 \n\t" + "movq %%mm0, (%3, %%eax) \n\t" + "movq %%mm2, (%4, %%eax) \n\t" + "addl %5, %%eax \n\t" + "subl $4, %0 \n\t" + " jnz 1b \n\t" + :"+g"(h) + :"r"(pixels), "r"(pixels+line_size), "r" (block), "r" (block+line_size), + "r"(line_size<<1) + :"%eax", "memory"); } -static void DEF(avg_pixels_x2)( UINT8 *block, const UINT8 *pixels, int line_size, int h) +static void DEF(avg_pixels_x2)(UINT8 *block, const UINT8 *pixels, int line_size, int h) { - int dh, hh; - UINT8 *p; - const UINT8 *pix; - p = block; - pix = pixels; - hh=h>>1; - dh=h&1; - while(hh--) { __asm __volatile( - "movq %2, %%mm2\n\t" - "movq 1%2, %%mm3\n\t" - "movq %3, %%mm4\n\t" - "movq 1%3, %%mm5\n\t" - "movq %0, %%mm0\n\t" - "movq %1, %%mm1\n\t" - PAVGB" %%mm3, %%mm2\n\t" - PAVGB" %%mm2, %%mm0\n\t" - PAVGB" %%mm5, %%mm4\n\t" - PAVGB" %%mm4, %%mm1\n\t" - "movq %%mm0, %0\n\t" - "movq %%mm1, %1\n\t" - :"+m"(*p), "+m"(*(p+line_size)) - :"m"(*pix), "m"(*(pix+line_size)) - :"memory"); - pix += line_size*2; - p += line_size*2; - } - if(dh) { - __asm __volatile( - "movq %1, %%mm1\n\t" - "movq 1%1, %%mm2\n\t" - "movq %0, %%mm0\n\t" - PAVGB" %%mm2, %%mm1\n\t" - PAVGB" %%mm1, %%mm0\n\t" - "movq %%mm0, %0\n\t" - :"+m"(*p) - :"m"(*pix) - :"memory"); - } + "xorl %%eax, %%eax \n\t" + ".balign 16 \n\t" + "1: \n\t" + "movq (%1, %%eax), %%mm0 \n\t" + "movq 1(%1, %%eax), %%mm1 \n\t" + "movq (%2, %%eax), %%mm2 \n\t" + "movq 1(%2, %%eax), %%mm3 \n\t" + PAVGB" %%mm1, %%mm0 \n\t" + PAVGB" %%mm3, %%mm2 \n\t" + "movq (%3, %%eax), %%mm3 \n\t" + "movq (%4, %%eax), %%mm4 \n\t" + PAVGB" %%mm3, %%mm0 \n\t" + PAVGB" %%mm4, %%mm2 \n\t" + "movq %%mm0, (%3, %%eax) \n\t" + "movq %%mm2, (%4, %%eax) \n\t" + "addl %5, %%eax \n\t" + "movq (%1, %%eax), %%mm0 \n\t" + "movq 1(%1, %%eax), %%mm1 \n\t" + "movq (%2, %%eax), %%mm2 \n\t" + "movq 1(%2, %%eax), %%mm3 \n\t" + PAVGB" %%mm1, %%mm0 \n\t" + PAVGB" %%mm3, %%mm2 \n\t" + "movq (%3, %%eax), %%mm3 \n\t" + "movq (%4, %%eax), %%mm4 \n\t" + PAVGB" %%mm3, %%mm0 \n\t" + PAVGB" %%mm4, %%mm2 \n\t" + "movq %%mm0, (%3, %%eax) \n\t" + "movq %%mm2, (%4, %%eax) \n\t" + "addl %5, %%eax \n\t" + "subl $4, %0 \n\t" + " jnz 1b \n\t" + :"+g"(h) + :"r"(pixels), "r"(pixels+line_size), "r" (block), "r" (block+line_size), + "r"(line_size<<1) + :"%eax", "memory"); } -static void DEF(avg_pixels_y2)( UINT8 *block, const UINT8 *pixels, int line_size, int h) +static void DEF(avg_pixels_y2)(UINT8 *block, const UINT8 *pixels, int line_size, int h) { - int dh, hh; - UINT8 *p; - const UINT8 *pix; - p = block; - pix = pixels; - hh=h>>1; - dh=h&1; - while(hh--) { __asm __volatile( - "movq %2, %%mm2\n\t" - "movq %3, %%mm3\n\t" - "movq %3, %%mm4\n\t" - "movq %4, %%mm5\n\t" - "movq %0, %%mm0\n\t" - "movq %1, %%mm1\n\t" - PAVGB" %%mm3, %%mm2\n\t" - PAVGB" %%mm2, %%mm0\n\t" - PAVGB" %%mm5, %%mm4\n\t" - PAVGB" %%mm4, %%mm1\n\t" - "movq %%mm0, %0\n\t" - "movq %%mm1, %1\n\t" - :"+m"(*p), "+m"(*(p+line_size)) - :"m"(*pix), "m"(*(pix+line_size)), "m"(*(pix+line_size*2)) - :"memory"); - pix += line_size*2; - p += line_size*2; - } - if(dh) { - __asm __volatile( - "movq %1, %%mm1\n\t" - "movq %2, %%mm2\n\t" - "movq %0, %%mm0\n\t" - PAVGB" %%mm2, %%mm1\n\t" - PAVGB" %%mm1, %%mm0\n\t" - "movq %%mm0, %0\n\t" - :"+m"(*p) - :"m"(*pix), "m"(*(pix+line_size)) - :"memory"); - } + "xorl %%eax, %%eax \n\t" + "movq (%1), %%mm0 \n\t" + ".balign 16 \n\t" + "1: \n\t" + "movq (%2, %%eax), %%mm1 \n\t" + "movq (%3, %%eax), %%mm2 \n\t" + PAVGB" %%mm1, %%mm0 \n\t" + PAVGB" %%mm2, %%mm1 \n\t" + "movq (%4, %%eax), %%mm3 \n\t" + "movq (%5, %%eax), %%mm4 \n\t" + PAVGB" %%mm3, %%mm0 \n\t" + PAVGB" %%mm4, %%mm1 \n\t" + "movq %%mm0, (%4, %%eax) \n\t" + "movq %%mm1, (%5, %%eax) \n\t" + "addl %6, %%eax \n\t" + "movq (%2, %%eax), %%mm1 \n\t" + "movq (%3, %%eax), %%mm0 \n\t" + PAVGB" %%mm1, %%mm2 \n\t" + PAVGB" %%mm0, %%mm1 \n\t" + "movq (%4, %%eax), %%mm3 \n\t" + "movq (%5, %%eax), %%mm4 \n\t" + PAVGB" %%mm3, %%mm2 \n\t" + PAVGB" %%mm4, %%mm1 \n\t" + "movq %%mm2, (%4, %%eax) \n\t" + "movq %%mm1, (%5, %%eax) \n\t" + "addl %6, %%eax \n\t" + "subl $4, %0 \n\t" + " jnz 1b \n\t" + :"+g"(h) + :"r"(pixels), "r"(pixels+line_size), "r"(pixels+line_size*2), "r" (block), + "r" (block+line_size), "g"(line_size<<1) + :"%eax", "memory"); } -static void DEF(avg_pixels_xy2)( UINT8 *block, const UINT8 *pixels, int line_size, int h) +// Note this is not correctly rounded, but this function is only used for b frames so it doesnt matter +static void DEF(avg_pixels_xy2)(UINT8 *block, const UINT8 *pixels, int line_size, int h) { - UINT8 *p; - const UINT8 *pix; - p = block; - pix = pixels; - __asm __volatile( - "pxor %%mm7, %%mm7\n\t" - "movq %0, %%mm6\n\t" - ::"m"(mm_wtwo)); - do { __asm __volatile( - "movq %1, %%mm0\n\t" - "movq %2, %%mm1\n\t" - "movq 1%1, %%mm4\n\t" - "movq 1%2, %%mm5\n\t" - "movq %%mm0, %%mm2\n\t" - "movq %%mm1, %%mm3\n\t" - "punpcklbw %%mm7, %%mm0\n\t" - "punpcklbw %%mm7, %%mm1\n\t" - "punpckhbw %%mm7, %%mm2\n\t" - "punpckhbw %%mm7, %%mm3\n\t" - "paddusw %%mm1, %%mm0\n\t" - "paddusw %%mm3, %%mm2\n\t" - "movq %%mm4, %%mm1\n\t" - "movq %%mm5, %%mm3\n\t" - "punpcklbw %%mm7, %%mm4\n\t" - "punpcklbw %%mm7, %%mm5\n\t" - "punpckhbw %%mm7, %%mm1\n\t" - "punpckhbw %%mm7, %%mm3\n\t" - "paddusw %%mm5, %%mm4\n\t" - "paddusw %%mm3, %%mm1\n\t" - "paddusw %%mm6, %%mm4\n\t" - "paddusw %%mm6, %%mm1\n\t" - "paddusw %%mm4, %%mm0\n\t" - "paddusw %%mm1, %%mm2\n\t" - "psrlw $2, %%mm0\n\t" - "psrlw $2, %%mm2\n\t" - "packuswb %%mm2, %%mm0\n\t" - PAVGB" %0, %%mm0\n\t" - "movq %%mm0, %0\n\t" - :"+m"(*p) - :"m"(*pix), - "m"(*(pix+line_size)) - :"memory"); - pix += line_size; - p += line_size ; - } while(--h); + "movq "MANGLE(mm_bone)", %%mm7 \n\t" + "xorl %%eax, %%eax \n\t" + "movq (%1), %%mm0 \n\t" + "movq 1(%1), %%mm1 \n\t" + PAVGB" %%mm1, %%mm0 \n\t" + ".balign 16 \n\t" + "1: \n\t" + "movq (%2, %%eax), %%mm1 \n\t" + "movq (%3, %%eax), %%mm2 \n\t" + "movq 1(%2, %%eax), %%mm3 \n\t" + "movq 1(%3, %%eax), %%mm4 \n\t" + "psubusb %%mm7, %%mm2 \n\t" + PAVGB" %%mm3, %%mm1 \n\t" + PAVGB" %%mm4, %%mm2 \n\t" + PAVGB" %%mm1, %%mm0 \n\t" + PAVGB" %%mm2, %%mm1 \n\t" + "movq (%4, %%eax), %%mm3 \n\t" + "movq (%5, %%eax), %%mm4 \n\t" + PAVGB" %%mm3, %%mm0 \n\t" + PAVGB" %%mm4, %%mm1 \n\t" + "movq %%mm0, (%4, %%eax) \n\t" + "movq %%mm1, (%5, %%eax) \n\t" + "addl %6, %%eax \n\t" + "movq (%2, %%eax), %%mm1 \n\t" + "movq (%3, %%eax), %%mm0 \n\t" + "movq 1(%2, %%eax), %%mm3 \n\t" + "movq 1(%3, %%eax), %%mm4 \n\t" + PAVGB" %%mm3, %%mm1 \n\t" + PAVGB" %%mm4, %%mm0 \n\t" + PAVGB" %%mm1, %%mm2 \n\t" + PAVGB" %%mm0, %%mm1 \n\t" + "movq (%4, %%eax), %%mm3 \n\t" + "movq (%5, %%eax), %%mm4 \n\t" + PAVGB" %%mm3, %%mm2 \n\t" + PAVGB" %%mm4, %%mm1 \n\t" + "movq %%mm2, (%4, %%eax) \n\t" + "movq %%mm1, (%5, %%eax) \n\t" + "addl %6, %%eax \n\t" + "subl $4, %0 \n\t" + " jnz 1b \n\t" + :"+g"(h) + :"r"(pixels), "r"(pixels+line_size), "r"(pixels+line_size*2), "r" (block), + "r" (block+line_size), "g"(line_size<<1) + :"%eax", "memory"); } +//Note: the sub* functions are no used + static void DEF(sub_pixels_x2)( DCTELEM *block, const UINT8 *pixels, int line_size, int h) { DCTELEM *p; -- 2.7.4