diff options
| -rw-r--r-- | libavcodec/Makefile | 5 | ||||
| -rw-r--r-- | libavcodec/bfin/config_bfin.h | 46 | ||||
| -rw-r--r-- | libavcodec/bfin/dsputil_bfin.c | 311 | ||||
| -rw-r--r-- | libavcodec/bfin/fdct_bfin.S | 324 | ||||
| -rw-r--r-- | libavcodec/bfin/idct_bfin.S | 297 | ||||
| -rw-r--r-- | libavcodec/bfin/pixels_bfin.S | 723 |
6 files changed, 1678 insertions, 28 deletions
diff --git a/libavcodec/Makefile b/libavcodec/Makefile index 5ef10bdf84..69c298df89 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -394,6 +394,11 @@ endif OBJS-$(TARGET_ARCH_BFIN) += bfin/dsputil_bfin.o \ +ASM_OBJS-$(TARGET_ARCH_BFIN) += bfin/pixels_bfin.o \ + bfin/idct_bfin.o \ + bfin/fdct_bfin.o \ + bfin/xidct.o \ + EXTRALIBS := -L$(BUILD_ROOT)/libavutil -lavutil$(BUILDSUF) $(EXTRALIBS) NAME=avcodec diff --git a/libavcodec/bfin/config_bfin.h b/libavcodec/bfin/config_bfin.h new file mode 100644 index 0000000000..1f5080900d --- /dev/null +++ b/libavcodec/bfin/config_bfin.h @@ -0,0 +1,46 @@ +/* + * config_bfin.h + * + * Copyright (C) 2007 Marc Hoffman <marc.hoffman@analog.com> + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ +/* + low level assembler interface wrapper + +DEFUN(put_pixels_clamped,mL1, + (DCTELEM *block, uint8_t *dest, int line_size)): + + body + + rts; +*/ +#ifndef DEFUN + +#ifndef mL1 +#define mL1 .l1.text +#endif +#define mL3 .text + +#define DEFUN(fname,where,interface) \ + .section where; \ + .global _ff_bfin_ ## fname ; \ + .align 8; \ + _ff_bfin_ ## fname + +#endif + diff --git a/libavcodec/bfin/dsputil_bfin.c b/libavcodec/bfin/dsputil_bfin.c index 196ef6feab..b4d549fb72 100644 --- a/libavcodec/bfin/dsputil_bfin.c +++ b/libavcodec/bfin/dsputil_bfin.c @@ -1,5 +1,8 @@ /* - * Copyright (c) 2006 Michael Benjamin + * BlackFin DSPUTILS + * + * Copyright (C) 2007 Marc Hoffman <marc.hoffman@analog.com> + * Copyright (c) 2006 Michael Benjamin <michael.benjamin@analog.com> * * This file is part of FFmpeg. * @@ -18,38 +21,290 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ +#include <unistd.h> +#include <bits/bfin_sram.h> #include "../avcodec.h" #include "../dsputil.h" -static int sad8x8_bfin( void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h ) -{ - int sum; - __asm__ __volatile__ ( - "P0 = %1;" // blk1 - "P1 = %2;" // blk2 - "P2 = %3;\n" // h - "I0 = P0;" - "I1 = P1;\n" - "A0 = 0;" - "A1 = 0;\n" - "M0 = P2;\n" - "P3 = 32;\n" - "LSETUP (sad8x8LoopBegin, sad8x8LoopEnd) LC0=P3;\n" - "sad8x8LoopBegin:\n" - " DISALGNEXCPT || R0 = [I0] || R2 = [I1];\n" - " DISALGNEXCPT || R1 = [I0++] || R3 = [I1++];\n" - "sad8x8LoopEnd:\n" - " SAA ( R1:0 , R3:2 );\n" - "R3 = A1.L + A1.H, R2 = A0.L + A0.H;\n" - "%0 = R2 + R3 (S);\n" - : "=&d" (sum) - : "m"(blk1), "m"(blk2), "m"(h) - : "P0","P1","P2","I0","I1","A0","A1","R0","R1","R2","R3"); - return sum; +#define USE_L1CODE + +#ifdef USE_L1CODE +#define L1CODE __attribute__ ((l1_text)) +#else +#define L1CODE +#endif +int off; + + +extern void ff_bfin_idct (DCTELEM *block) L1CODE; +extern void ff_bfin_fdct (DCTELEM *block) L1CODE; +extern void ff_bfin_add_pixels_clamped (DCTELEM *block, uint8_t *dest, int line_size) L1CODE; +extern void ff_bfin_put_pixels_clamped (DCTELEM *block, uint8_t *dest, int line_size) L1CODE; +extern void ff_bfin_diff_pixels (DCTELEM *block, uint8_t *s1, uint8_t *s2, int stride) L1CODE; +extern void ff_bfin_get_pixels (DCTELEM *restrict block, const uint8_t *pixels, int line_size) L1CODE; +extern int ff_bfin_pix_norm1 (uint8_t * pix, int line_size) L1CODE; +extern int ff_bfin_z_sad8x8 (uint8_t *blk1, uint8_t *blk2, int dsz, int line_size, int h) L1CODE; +extern int ff_bfin_z_sad16x16 (uint8_t *blk1, uint8_t *blk2, int dsz, int line_size, int h) L1CODE; + +extern void ff_bfin_z_put_pixels16_xy2 (uint8_t *block, const uint8_t *s0, int dest_size, int line_size, int h) L1CODE; +extern void ff_bfin_z_put_pixels8_xy2 (uint8_t *block, const uint8_t *s0, int dest_size, int line_size, int h) L1CODE; +extern void ff_bfin_put_pixels16_xy2_nornd (uint8_t *block, const uint8_t *s0, int line_size, int h) L1CODE; +extern void ff_bfin_put_pixels8_xy2_nornd (uint8_t *block, const uint8_t *s0, int line_size, int h) L1CODE; + + +extern int ff_bfin_pix_sum (uint8_t *p, int stride) L1CODE; + +extern void ff_bfin_put_pixels8uc (uint8_t *block, const uint8_t *s0, const uint8_t *s1, int dest_size, int line_size, int h) L1CODE; +extern void ff_bfin_put_pixels16uc (uint8_t *block, const uint8_t *s0, const uint8_t *s1, int dest_size, int line_size, int h) L1CODE; +extern void ff_bfin_put_pixels8uc_nornd (uint8_t *block, const uint8_t *s0, const uint8_t *s1, int line_size, int h) L1CODE; +extern void ff_bfin_put_pixels16uc_nornd (uint8_t *block, const uint8_t *s0, const uint8_t *s1, int line_size, int h) L1CODE; + +extern int ff_bfin_sse4 (void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) L1CODE; +extern int ff_bfin_sse8 (void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) L1CODE; +extern int ff_bfin_sse16 (void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) L1CODE; + + +#if 0 +void pblk (uint8_t *p, int w, int h, int s) +{ + int i,j; + av_log (0,0,"0x%08x:\n", p); + for (i = 0;i<h;i++) { + for (j=0;j<w;j++) + av_log (0,0,"%3d ", p[j]); + p+=s; + av_log (0,0,"\n"); + } + av_log (0,0,"\n"); +} +#endif + +static void bfin_idct_add (uint8_t *dest, int line_size, DCTELEM *block) +{ + ff_bfin_idct (block); + ff_bfin_add_pixels_clamped (block, dest, line_size); +} + +static void bfin_idct_put (uint8_t *dest, int line_size, DCTELEM *block) +{ + ff_bfin_idct (block); + ff_bfin_put_pixels_clamped (block, dest, line_size); +} + + +static void bfin_clear_blocks (DCTELEM *blocks) +{ + // This is just a simple memset. + // + asm("P0=192; " + "I0=%0; " + "R0=0; " + "LSETUP(clear_blocks_blkfn_lab,clear_blocks_blkfn_lab)LC0=P0;" + "clear_blocks_blkfn_lab:" + "[I0++]=R0;" + ::"a" (blocks):"P0","I0","R0"); +} + + + +static void bfin_put_pixels8 (uint8_t *block, const uint8_t *pixels, int line_size, int h) +{ + ff_bfin_put_pixels8uc (block, pixels, pixels, line_size, line_size, h); +} + +static void bfin_put_pixels8_x2(uint8_t *block, const uint8_t *pixels, int line_size, int h) +{ + ff_bfin_put_pixels8uc (block, pixels, pixels+1, line_size, line_size, h); +} + +static void bfin_put_pixels8_y2 (uint8_t *block, const uint8_t *pixels, int line_size, int h) +{ + ff_bfin_put_pixels8uc (block, pixels, pixels+line_size, line_size, line_size, h); +} + +static void bfin_put_pixels8_xy2 (uint8_t *block, const uint8_t *s0, int line_size, int h) +{ + ff_bfin_z_put_pixels8_xy2 (block,s0,line_size, line_size, h); +} + +static void bfin_put_pixels16 (uint8_t *block, const uint8_t *pixels, int line_size, int h) +{ + ff_bfin_put_pixels16uc (block, pixels, pixels, line_size, line_size, h); +} + +static void bfin_put_pixels16_x2 (uint8_t *block, const uint8_t *pixels, int line_size, int h) +{ + ff_bfin_put_pixels16uc (block, pixels, pixels+1, line_size, line_size, h); +} + +static void bfin_put_pixels16_y2 (uint8_t *block, const uint8_t *pixels, int line_size, int h) +{ + ff_bfin_put_pixels16uc (block, pixels, pixels+line_size, line_size, line_size, h); +} + +static void bfin_put_pixels16_xy2 (uint8_t *block, const uint8_t *s0, int line_size, int h) +{ + ff_bfin_z_put_pixels16_xy2 (block,s0,line_size, line_size, h); +} + +void bfin_put_pixels8_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h) +{ + ff_bfin_put_pixels8uc_nornd (block, pixels, pixels, line_size, h); +} + +static void bfin_put_pixels8_x2_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h) +{ + ff_bfin_put_pixels8uc_nornd (block, pixels, pixels+1, line_size, h); +} + +static void bfin_put_pixels8_y2_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h) +{ + ff_bfin_put_pixels8uc_nornd (block, pixels, pixels+line_size, line_size, h); } + +void bfin_put_pixels16_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h) +{ + ff_bfin_put_pixels16uc_nornd (block, pixels, pixels, line_size, h); +} + +static void bfin_put_pixels16_x2_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h) +{ + ff_bfin_put_pixels16uc_nornd (block, pixels, pixels+1, line_size, h); +} + +static void bfin_put_pixels16_y2_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h) +{ + ff_bfin_put_pixels16uc_nornd (block, pixels, pixels+line_size, line_size, h); +} + +static int bfin_pix_abs16 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) +{ + return ff_bfin_z_sad16x16 (blk1,blk2,line_size,line_size,h); +} + +static uint8_t vtmp_blk[256] __attribute__((l1_data_B)); + +static int bfin_pix_abs16_x2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) +{ + ff_bfin_put_pixels16uc (vtmp_blk, blk2, blk2+1, 16, line_size, h); + return ff_bfin_z_sad16x16 (blk1, vtmp_blk, line_size, 16, h); +} + +static int bfin_pix_abs16_y2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) +{ + ff_bfin_put_pixels16uc (vtmp_blk, blk2, blk2+line_size, 16, line_size, h); + return ff_bfin_z_sad16x16 (blk1, vtmp_blk, line_size, 16, h); +} + +static int bfin_pix_abs16_xy2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) +{ + ff_bfin_z_put_pixels16_xy2 (vtmp_blk, blk2, 16, line_size, h); + return ff_bfin_z_sad16x16 (blk1, vtmp_blk, line_size, 16, h); +} + +static int bfin_pix_abs8 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) +{ + return ff_bfin_z_sad8x8 (blk1,blk2,line_size,line_size, h); +} + +static int bfin_pix_abs8_x2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) +{ + ff_bfin_put_pixels8uc (vtmp_blk, blk2, blk2+1, 8, line_size, h); + return ff_bfin_z_sad8x8 (blk1, vtmp_blk, line_size, 8, h); +} + +static int bfin_pix_abs8_y2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) +{ + ff_bfin_put_pixels8uc (vtmp_blk, blk2, blk2+line_size, 8, line_size, h); + return ff_bfin_z_sad8x8 (blk1, vtmp_blk, line_size, 8, h); +} + +static int bfin_pix_abs8_xy2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) +{ + ff_bfin_z_put_pixels8_xy2 (vtmp_blk, blk2, 8, line_size, h); + return ff_bfin_z_sad8x8 (blk1, vtmp_blk, line_size, 8, h); +} + + +/* + decoder optimization + start on 2/11 100 frames of 352x240@25 compiled with no optimization -g debugging + 9.824s ~ 2.44x off + 6.360s ~ 1.58x off with -O2 + 5.740s ~ 1.43x off with idcts + + 2.64s 2/20 same sman.mp4 decode only + +*/ + void dsputil_init_bfin( DSPContext* c, AVCodecContext *avctx ) { - c->pix_abs[1][0] = sad8x8_bfin; - c->sad[1] = sad8x8_bfin; + c->get_pixels = ff_bfin_get_pixels; + c->diff_pixels = ff_bfin_diff_pixels; + c->put_pixels_clamped = ff_bfin_put_pixels_clamped; + c->add_pixels_clamped = ff_bfin_add_pixels_clamped; + + c->clear_blocks = bfin_clear_blocks; + c->pix_sum = ff_bfin_pix_sum; + c->pix_norm1 = ff_bfin_pix_norm1; + + c->sad[0] = bfin_pix_abs16; + c->sad[1] = bfin_pix_abs8; + + /* TODO [0] 16 [1] 8 */ + c->pix_abs[0][0] = bfin_pix_abs16; + c->pix_abs[0][1] = bfin_pix_abs16_x2; + c->pix_abs[0][2] = bfin_pix_abs16_y2; + c->pix_abs[0][3] = bfin_pix_abs16_xy2; + + c->pix_abs[1][0] = bfin_pix_abs8; + c->pix_abs[1][1] = bfin_pix_abs8_x2; + c->pix_abs[1][2] = bfin_pix_abs8_y2; + c->pix_abs[1][3] = bfin_pix_abs8_xy2; + + + c->sse[0] = ff_bfin_sse16; + c->sse[1] = ff_bfin_sse8; + c->sse[2] = ff_bfin_sse4; + + + /** + * Halfpel motion compensation with rounding (a+b+1)>>1. + * This is an array[4][4] of motion compensation functions for 4 + * horizontal blocksizes (8,16) and the 4 halfpel positions + * *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ] + * @param block destination where the result is stored + * @param pixels source + * @param line_size number of bytes in a horizontal line of block + * @param h height + */ + + c->put_pixels_tab[0][0] = bfin_put_pixels16; + c->put_pixels_tab[0][1] = bfin_put_pixels16_x2; + c->put_pixels_tab[0][2] = bfin_put_pixels16_y2; + c->put_pixels_tab[0][3] = bfin_put_pixels16_xy2; + + c->put_pixels_tab[1][0] = bfin_put_pixels8; + c->put_pixels_tab[1][1] = bfin_put_pixels8_x2; + c->put_pixels_tab[1][2] = bfin_put_pixels8_y2; + c->put_pixels_tab[1][3] = bfin_put_pixels8_xy2; + + c->put_no_rnd_pixels_tab[1][0] = bfin_put_pixels8_nornd; + c->put_no_rnd_pixels_tab[1][1] = bfin_put_pixels8_x2_nornd; + c->put_no_rnd_pixels_tab[1][2] = bfin_put_pixels8_y2_nornd; + c->put_no_rnd_pixels_tab[1][3] = ff_bfin_put_pixels8_xy2_nornd; + + c->put_no_rnd_pixels_tab[0][0] = bfin_put_pixels16_nornd; + c->put_no_rnd_pixels_tab[0][1] = bfin_put_pixels16_x2_nornd; + c->put_no_rnd_pixels_tab[0][2] = bfin_put_pixels16_y2_nornd; + c->put_no_rnd_pixels_tab[0][3] = ff_bfin_put_pixels16_xy2_nornd; + + c->fdct = ff_bfin_fdct; + c->idct = ff_bfin_idct; + c->idct_add = bfin_idct_add; + c->idct_put = bfin_idct_put; } + + + diff --git a/libavcodec/bfin/fdct_bfin.S b/libavcodec/bfin/fdct_bfin.S new file mode 100644 index 0000000000..8230673e83 --- /dev/null +++ b/libavcodec/bfin/fdct_bfin.S @@ -0,0 +1,324 @@ +/* + * fdct BlackFin + * + * Copyright (C) 2007 Marc Hoffman <marc.hoffman@analog.com> + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ +/* + void ff_bfin_fdct (DCTELEM *buf); + + This implementation works only for 8x8 input. The range of input + must be -256 to 255 i.e. 8bit input represented in a 16bit data + word. The original data must be sign extended into the 16bit data + words. + + + Chen factorization of + + 8 + X(m) = sum (x(n) * cos ((2n+1)*m*pi/16)) + n=0 + + C4 + 0 --*-------------*0+7---*-----*0+3-------*-*-------------------> 0 + \ / \ / X S4,S4 + 1 --*-\---------/-*1+6---*-\-/-*1+2-------*-*-------------------> 4 + \ / \ -C4 C3 + 2 --*---\-----/---*2+5---*-/-\-*1-2---------------*-*-----------> 2 + \ / / \ X S3,-S3 + 3 --*-----\-/-----*3+4---*-----*0-3---------------*-*-----------> 6 + / C7 C3 + 4 --*-----/-\-----*3-4------------*-*4+5--*-----*---------------> 1 + / \ -C4 X \ /S7 C3 + 5 --*---/-----\---*2-5---*-*------*=*4-5----\-/------*-*--------> 5 + / \ X S4,S4 / X S3,-S3 + 6 --*-/---------\-*1-6---*-*------*=*7-6----/-\------*-*--------> 3 + / \ C4 X / \-S7 C3 + --*-------------*0-7------------*-*7+6--*-----*---------------> 7 + C7 + +Notation + Cn = cos(n*pi/8) used throughout the code. + + + Registers used: + R0, R1, R2, R3, R4, R5, R6,R7, P0, P1, P2, P3, P4, P5, A0, A1. + Other registers used: + I0, I1, I2, I3, B0, B2, B3, M0, M1, L3 registers and LC0. + + Input - r0 - pointer to start of DCTELEM *block + + Output - The DCT output coefficients in the DCTELEM *block + + Register constraint: + This code is called from jpeg_encode. + R6, R5, R4 if modified should be stored and restored. + + + Performance: (Timer version 0.6.33) + Code Size : 240 Bytes. + Memory Required : + Input Matrix : 8 * 8 * 2 Bytes. + Coefficients : 16 Bytes + Temporary matrix: 8 * 8 * 2 Bytes. + Cycle Count :26+{18+8*(14+2S)}*2 where S -> Stalls + (7.45 c/pel) + ----------------------------------------- + | Size | Forward DCT | Inverse DCT | + ----------------------------------------- + | 8x8 | 284 Cycles | 311 Cycles | + ----------------------------------------- + +Ck = int16(cos(k/16*pi)*32767+.5)/2 +#define C4 23170 +#define C3 13623 +#define C6 6270 +#define C7 3196 + +Sk = int16(sin(k/16*pi)*32767+.5)/2 +#define S4 11585 +#define S3 9102 +#define S6 15137 +#define S7 16069 + +the coefficients are ordered as follows: +short dct_coef[] + C4,S4, + C6,S6, + C7,S7, + S3,C3, + +----------------------------------------------------------- +FFMPEG conformance testing results +----------------------------------------------------------- +dct-test: modified with the following + dct_error("BFINfdct", 0, ff_bfin_fdct, fdct, test); +produces the following output: + +root:/u/ffmpeg/bhead/libavcodec> ./dct-test +ffmpeg DCT/IDCT test + + 2 -131 -6 -48 -36 33 -83 24 + 34 52 -24 -15 5 92 57 143 + -67 -43 -1 74 -16 5 -71 32 + -78 106 92 -34 -38 81 20 -18 + 7 -62 40 2 -15 90 -62 -83 + -83 1 -104 -13 43 -19 7 11 + -63 31 12 -29 83 72 21 10 + -17 -63 -15 73 50 -91 159 -14 +DCT BFINfdct: err_inf=2 err2=0.16425938 syserr=0.00795000 maxout=2098 blockSumErr=27 +DCT BFINfdct: 92.1 kdct/s +root:/u/ffmpeg/bhead/libavcodec> + +*/ + +#include "config_bfin.h" + +.section .l1.data.B,"aw",@progbits +.align 4; +dct_coeff: +.short 0x5a82, 0x2d41, 0x187e, 0x3b21, 0x0c7c, 0x3ec5, 0x238e, 0x3537; + +.section .l1.data.A,"aw",@progbits +.align 4 +vtmp: .space 128 + +DEFUN(fdct,mL1, + (DCTELEM *block)): + [--SP] = (R7:4, P5:3); // Push the registers onto the stack. + + b0 = r0; + r0 = [P3+dct_coeff@GOT17M4]; + b3 = r0; + r0 = [P3+vtmp@GOT17M4]; + b2 = r0; + + L3 = 16; // L3 is set to 16 to make the coefficient + // array Circular. + + +//---------------------------------------------------------------------------- + +/* + * I0, I1, and I2 registers are used to read the input data. I3 register is used + * to read the coefficients. P0 and P1 registers are used for writing the output + * data. + */ + M0 = 12 (X); // All these initializations are used in the + M1 = 16 (X); // modification of address offsets. + + M2 = 128 (X); + + P2 = 16; + P3 = 32 (X); + P4 = -110 (X); + P5 = -62 (X); + P0 = 2(X); + + + // Prescale the input to get the correct precision. + i0=b0; + i1=b0; + + lsetup (.0, .1) LC0 = P3; + r0=[i0++]; +.0: r1=r0<<3 (v) || r0=[i0++] ; +.1: [i1++]=r1; + + /* + * B0 points to the "in" buffer. + * B2 points to "temp" buffer in the first iteration. + */ + + lsetup (.2, .3) LC0 = P0; +.2: + I0 = B0; // I0 points to Input Element (0, 0). + I1 = B0; // Element 1 and 0 is read in R0. + I1 += M0 || R0 = [I0++]; // I1 points to Input Element (0, 6). + I2 = I1; // Element 6 is read into R3.H. + I2 -= 4 || R3.H = W[I1++]; // I2 points to Input Element (0, 4). + + I3 = B3; // I3 points to Coefficients. + P0 = B2; // P0 points to temporary array Element + // (0, 0). + P1 = B2; // P1 points to temporary array. + R7 = [P1++P2] || R2 = [I2++]; // P1 points to temporary array + // Element (1, 0). + // R7 is a dummy read. X4,X5 + // are read into R2. + R3.L = W[I1--]; // X7 is read into R3.L. + R1.H = W[I0++]; // X2 is read into R1.H. + + + /* + * X0 = (X0 + X7) / 2. + * X1 = (X1 + X6) / 2. + * X6 = (X1 - X6) / 2. + * X7 = (X0 - X7) / 2. + * It reads the data 3 in R1.L. + */ + + R0 = R0 +|+ R3, R3 = R0 -|- R3 || R1.L = W[I0++] || NOP; + + /* + * X2 = (X2 + X5) / 2. + * X3 = (X3 + X4) / 2. + * X4 = (X3 - X4) / 2. + * X5 = (X2 - X5) / 2. + * R7 = C4 = cos(4*pi/16) + */ + + R1 = R1 +|+ R2, R2 = R1 -|- R2 (CO) || NOP || R7 = [I3++]; + + /* + * At the end of stage 1 R0 has (1,0), R1 has (2,3), R2 has (4, 5) and + * R3 has (6,7). + * Where the notation (x, y) represents uper/lower half pairs. + */ + + /* + * X0 = X0 + X3. + * X1 = X1 + X2. + * X2 = X1 - X2. + * X3 = X0 - X3. + */ + R0 = R0 +|+ R1, R1 = R0 -|- R1; + + lsetup (.row0, .row1) LC1 = P2 >> 1; // 1d dct, loops 8x +.row0: + + /* + * This is part 2 computation continued..... + * A1 = X6 * cos(pi/4) + * A0 = X6 * cos(pi/4) + * A1 = A1 - X5 * cos(pi/4) + * A0 = A0 + X5 * cos(pi/4). + * The instruction W[I0] = R3.L is used for packing it to R2.L. + */ + + A1=R3.H*R7.l, A0=R3.H*R7.l || I1+=M1 || W[I0] = R3.L; + R4.H=(A1-=R2.L*R7.l), R4.L=(A0+=R2.L*R7.l) || I2+=M0 || NOP; + + /* R0 = (X1,X0) R1 = (X2,X3) R4 = (X5, X6). */ + + /* + * A1 = X0 * cos(pi/4) + * A0 = X0 * cos(pi/4) + * A1 = A1 - X1 * cos(pi/4) + * A0 = A0 + X1 * cos(pi/4) + * R7 = (C2,C6) + */ + A1=R0.L*R7.h, A0=R0.L*R7.h || NOP || R3.H=W[I1++]; + R5.H=(A1-=R0.H*R7.h),R5.L=(A0+=R0.H*R7.h) || R7=[I3++] || NOP; + + /* + * A1 = X2 * cos(3pi/8) + * A0 = X3 * cos(3pi/8) + * A1 = A1 + X3 * cos(pi/8) + * A0 = A0 - X2 * cos(pi/8) + * R3 = cos(pi/4) + * R7 = (cos(7pi/8),cos(pi/8)) + * X4 = X4 + X5. + * X5 = X4 - X5. + * X6 = X7 - X6. + * X7 = X7 + X6. + */ + A1=R1.H*R7.L, A0=R1.L*R7.L || W[P0++P3]=R5.L || R2.L=W[I0]; + R2=R2+|+R4, R4=R2-|-R4 || I0+=4 || R3.L=W[I1--]; + R6.H=(A1+=R1.L*R7.H),R6.L=(A0 -= R1.H * R7.H) || I0+=4 || R7=[I3++]; + + /* R2 = (X4, X7) R4 = (X5,X6) R5 = (X1, X0) R6 = (X2,X3). */ + + /* + * A1 = X4 * cos(7pi/16) + * A0 = X7 * cos(7pi/16) + * A1 = A1 + X7 * cos(pi/16) + * A0 = A0 - X4 * cos(pi/16) + */ + + A1=R2.H*R7.L, A0=R2.L*R7.L || W[P0++P3]=R6.H || R0=[I0++]; + R2.H=(A1+=R2.L*R7.H),R2.L=(A0-=R2.H*R7.H) || W[P0++P3]=R5.H || R7=[I3++]; + + /* + * A1 = X5 * cos(3pi/16) + * A0 = X6 * cos(3pi/16) + * A1 = A1 + X6 * cos(5pi/16) + * A0 = A0 - X5 * cos(5pi/16) + * The output values are written. + */ + + A1=R4.H*R7.H, A0=R4.L*R7.H || W[P0++P2]=R6.L || R1.H=W[I0++]; + R4.H=(A1+=R4.L*R7.L),R4.L=(A0-=R4.H*R7.L) || W[P0++P4]=R2.L || R1.L=W[I0++]; + + + /* Beginning of next stage, **pipelined** + drain and store the + rest of the column store. */ + + R0=R0+|+R3,R3=R0-|-R3 || W[P1++P3]=R2.H || R2=[I2++]; + R1=R1+|+R2,R2=R1-|-R2 (CO) || W[P1++P3]=R4.L || R7=[I3++]; +.row1: R0=R0+|+R1,R1=R0-|-R1 || W[P1++P5]=R4.H || NOP; + + // Exchange input with output. + B1 = B0; + B0 = B2; +.3: B2 = B1; + + L3=0; + (r7:4,p5:3) = [sp++]; + RTS; + diff --git a/libavcodec/bfin/idct_bfin.S b/libavcodec/bfin/idct_bfin.S new file mode 100644 index 0000000000..f6904c189b --- /dev/null +++ b/libavcodec/bfin/idct_bfin.S @@ -0,0 +1,297 @@ +/* + * idct BlackFin + * + * Copyright (C) 2007 Marc Hoffman <marc.hoffman@analog.com> + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ +/* + This blackfin DSP code implements an 8x8 inverse type II DCT. + +Prototype : void ff_bfin_idct(DCTELEM *in) + +Registers Used : A0, A1, R0-R7, I0-I3, B0, B2, B3, M0-M2, L0-L3, P0-P5, LC0. + +Performance : + Code Size : 498 Bytes. + Cycle Count : 417 Cycles + + +----------------------------------------------------------- +FFMPEG conformance testing results +----------------------------------------------------------- + +dct-test: modified with the following + dct_error("BFINidct", 1, ff_bfin_idct, idct, test); +produces the following output + +root:/u/ffmpeg/bhead/libavcodec> ./dct-test -i +ffmpeg DCT/IDCT test + + 8 15 -2 21 24 17 0 10 + 2 -10 -5 -5 -3 7 -14 -3 + 2 -13 -10 -19 18 -6 6 -2 + 9 4 16 -3 9 12 10 15 + 15 -9 -2 10 1 16 0 -15 + -15 5 7 3 13 0 13 20 + -6 -15 24 9 -18 1 9 -22 + -8 25 23 2 -7 0 30 13 +IDCT BFINidct: err_inf=1 err2=0.01002344 syserr=0.00150000 maxout=266 blockSumErr=64 +IDCT BFINidct: 88.3 kdct/s + +*/ + +#include "config_bfin.h" + +.section .l1.data.B,"aw",@progbits + +.align 4; +coefs: +.short 0x5a82; // C4 +.short 0x5a82; // C4 +.short 0x30FC; //cos(3pi/8) C6 +.short 0x7642; //cos(pi/8) C2 +.short 0x18F9; //cos(7pi/16) +.short 0x7D8A; //cos(pi/16) +.short 0x471D; //cos(5pi/16) +.short 0x6A6E; //cos(3pi/16) +.short 0x18F9; //cos(7pi/16) +.short 0x7D8A; //cos(pi/16) + +.section .l1.data.A + +vtmp: .space 256 + +#define TMP0 FP-8 +#define TMP1 FP-12 +#define TMP2 FP-16 + + +DEFUN(idct,mL1, + (DCTELEM *block)): + +/********************** Function Prologue *********************************/ + link 16; + [--SP] = (R7:4, P5:3); // Push the registers onto the stack. + B0 = R0; // Pointer to Input matrix + R1 = [P3+coefs@GOT17M4]; // Pointer to Coefficients + R2 = [P3+vtmp@GOT17M4]; // Pointer to Temporary matrix + B3 = R1; + B2 = R2; + L3 = 20; // L3 is used for making the coefficient array + // circular. + // MUST BE RESTORED TO ZERO at function exit. + M1 = 16 (X); // All these registers are initialized for + M3 = 8(X); // modifying address offsets. + + I0 = B0; // I0 points to Input Element (0, 0). + I2 = B0; // I2 points to Input Element (0, 0). + I2 += M3 || R0.H = W[I0]; + // Element 0 is read into R0.H + I1 = I2; // I1 points to input Element (0, 6). + I1 += 4 || R0.L = W[I2++]; + // I2 points to input Element (0, 4). + // Element 4 is read into R0.L. + P2 = 8 (X); + P3 = 32 (X); + P4 = -32 (X); + P5 = 98 (X); + R7 = 0x8000(Z); + I3 = B3; // I3 points to Coefficients + P0 = B2; // P0 points to array Element (0, 0) of temp + P1 = B2; + R7 = [I3++] || [TMP2]=R7; // Coefficient C4 is read into R7.H and R7.L. + MNOP; + NOP; + + /* + * A1 = Y0 * cos(pi/4) + * A0 = Y0 * cos(pi/4) + * A1 = A1 + Y4 * cos(pi/4) + * A0 = A0 - Y4 * cos(pi/4) + * load: + * R1=(Y2,Y6) + * R7=(C2,C6) + * res: + * R3=Y0, R2=Y4 + */ + A1=R7.H*R0.H, A0=R7.H*R0.H (IS) || I0+= 4 || R1.L=W[I1++]; + R3=(A1+=R7.H*R0.L), R2=(A0-=R7.H*R0.L) (IS) || R1.H=W[I0--] || R7=[I3++]; + + LSETUP (.0, .1) LC0 = P2; // perform 8 1d idcts + + P2 = 112 (X); + P1 = P1 + P2; // P1 points to element (7, 0) of temp buffer. + P2 = -94(X); + +.0: + /* + * A1 = Y2 * cos(3pi/8) + * A0 = Y2 * cos(pi/8) + * A1 = A1 - Y6 * cos(pi/8) + * A0 = A0 + Y6 * cos(3pi/8) + * R5 = (Y1,Y7) + * R7 = (C1,C7) + * res: + * R1=Y2, R0=Y6 + */ + A1=R7.L*R1.H, A0=R7.H*R1.H (IS) || I0+=4 || R5.H=W[I0]; + R1=(A1-=R7.H*R1.L), R0=(A0+=R7.L*R1.L) (IS) || R5.L=W[I1--] || R7=[I3++]; + /* + * Y0 = Y0 + Y6. + * Y4 = Y4 + Y2. + * Y2 = Y4 - Y2. + * Y6 = Y0 - Y6. + * R3 is saved + * R6.l=Y3 + * note: R3: Y0, R2: Y4, R1: Y2, R0: Y6 + */ + R3=R3+R0, R0=R3-R0; + R2=R2+R1, R1=R2-R1 || [TMP0]=R3 || R6.L=W[I0--]; + /* + * Compute the odd portion (1,3,5,7) even is done. + * + * Y1 = C7 * Y1 - C1 * Y7 + C3 * Y5 - C5 * Y3. + * Y7 = C1 * Y1 + C7 * Y7 + C5 * Y5 + C3 * Y3. + * Y5 = C5 * Y1 + C3 * Y7 + C7 * Y5 - C1 * Y3. + * Y3 = C3 * Y1 - C5 * Y7 - C1 * Y5 - C7 * Y3. + */ + // R5=(Y1,Y7) R6=(Y5,Y3) // R7=(C1,C7) + A1 =R7.L*R5.H, A0 =R7.H*R5.H (IS) || [TMP1]=R2 || R6.H=W[I2--]; + A1-=R7.H*R5.L, A0+=R7.L*R5.L (IS) || I0-=4 || R7=[I3++]; + A1+=R7.H*R6.H, A0+=R7.L*R6.H (IS) || I0+=M1; // R7=(C3,C5) + R3 =(A1-=R7.L*R6.L), R2 =(A0+=R7.H*R6.L) (IS); + A1 =R7.L*R5.H, A0 =R7.H*R5.H (IS) || R4=[TMP0]; + A1+=R7.H*R5.L, A0-=R7.L*R5.L (IS) || I1+=M1 || R7=[I3++]; // R7=(C1,C7) + A1+=R7.L*R6.H, A0-=R7.H*R6.H (IS); + R7 =(A1-=R7.H*R6.L), R6 =(A0-=R7.L*R6.L) (IS) || I2+=M1; + // R3=Y1, R2=Y7, R7=Y5, R6=Y3 + + /* Transpose write column. */ + R5.H=R4+R2 (RND12); // Y0=Y0+Y7 + R5.L=R4-R2 (RND12) || R4 = [TMP1]; // Y7=Y7-Y0 + R2.H=R1+R7 (RND12) || W[P0++P3]=R5.H; // Y2=Y2+Y5 st Y0 + R2.L=R1-R7 (RND12) || W[P1++P4]=R5.L || R7=[I3++]; // Y5=Y2-Y5 st Y7 + R5.H=R0-R3 (RND12) || W[P0++P3]=R2.H || R1.L=W[I1++]; // Y1=Y6-Y1 st Y2 + R5.L=R0+R3 (RND12) || W[P1++P4]=R2.L || R0.H=W[I0++]; // Y6=Y6+Y1 st Y5 + R3.H=R4-R6 (RND12) || W[P0++P3]=R5.H || R0.L=W[I2++]; // Y3=Y3-Y4 st Y1 + R3.L=R4+R6 (RND12) || W[P1++P4]=R5.L || R1.H=W[I0++]; // Y4=Y3+Y4 st Y6 + + /* pipeline loop start, + drain Y3, Y4 */ + A1=R7.H*R0.H, A0=R7.H*R0.H (IS) || W[P0++P2]= R3.H || R1.H = W[I0--]; +.1: R3=(A1+=R7.H*R0.L), R2=(A0-=R7.H*R0.L) (IS) || W[P1++P5]= R3.L || R7 = [I3++]; + + + + I0 = B2; // I0 points to Input Element (0, 0) + I2 = B2; // I2 points to Input Element (0, 0) + I2 += M3 || R0.H = W[I0]; + // Y0 is read in R0.H + I1 = I2; // I1 points to input Element (0, 6) + I1 += 4 || R0.L = W[I2++]; + // I2 points to input Element (0, 4) + // Y4 is read in R0.L + P2 = 8 (X); + I3 = B3; // I3 points to Coefficients + P0 = B0; // P0 points to array Element (0, 0) for writing + // output + P1 = B0; + R7 = [I3++]; // R7.H = C4 and R7.L = C4 + NOP; + + /* + * A1 = Y0 * cos(pi/4) + * A0 = Y0 * cos(pi/4) + * A1 = A1 + Y4 * cos(pi/4) + * A0 = A0 - Y4 * cos(pi/4) + * load: + * R1=(Y2,Y6) + * R7=(C2,C6) + * res: + * R3=Y0, R2=Y4 + */ + A1=R7.H*R0.H, A0=R7.H*R0.H (IS) || I0+=4 || R1.L=W[I1++]; + R3=(A1+=R7.H*R0.L), R2=(A0-=R7.H*R0.L) (IS) || R1.H=W[I0--] || R7=[I3++]; + + LSETUP (.2, .3) LC0 = P2; // peform 8 1d idcts + P2 = 112 (X); + P1 = P1 + P2; + P2 = -94(X); + +.2: + /* + * A1 = Y2 * cos(3pi/8) + * A0 = Y2 * cos(pi/8) + * A1 = A1 - Y6 * cos(pi/8) + * A0 = A0 + Y6 * cos(3pi/8) + * R5 = (Y1,Y7) + * R7 = (C1,C7) + * res: + * R1=Y2, R0=Y6 + */ + A1=R7.L*R1.H, A0=R7.H*R1.H (IS) || I0+=4 || R5.H=W[I0]; + R1=(A1-=R7.H*R1.L), R0=(A0+=R7.L*R1.L) (IS) || R5.L=W[I1--] || R7=[I3++]; + /* + * Y0 = Y0 + Y6. + * Y4 = Y4 + Y2. + * Y2 = Y4 - Y2. + * Y6 = Y0 - Y6. + * R3 is saved + * R6.l=Y3 + * note: R3: Y0, R2: Y4, R1: Y2, R0: Y6 + */ + R3=R3+R0, R0=R3-R0; + R2=R2+R1, R1=R2-R1 || [TMP0]=R3 || R6.L=W[I0--]; + /* + * Compute the odd portion (1,3,5,7) even is done. + * + * Y1 = C7 * Y1 - C1 * Y7 + C3 * Y5 - C5 * Y3. + * Y7 = C1 * Y1 + C7 * Y7 + C5 * Y5 + C3 * Y3. + * Y5 = C5 * Y1 + C3 * Y7 + C7 * Y5 - C1 * Y3. + * Y3 = C3 * Y1 - C5 * Y7 - C1 * Y5 - C7 * Y3. + */ + // R5=(Y1,Y7) R6=(Y5,Y3) // R7=(C1,C7) + A1 =R7.L*R5.H, A0 =R7.H*R5.H (IS) || [TMP1]=R2 || R6.H=W[I2--]; + A1-=R7.H*R5.L, A0+=R7.L*R5.L (IS) || I0-=4 || R7=[I3++]; + A1+=R7.H*R6.H, A0+=R7.L*R6.H (IS) || I0+=M1; // R7=(C3,C5) + R3 =(A1-=R7.L*R6.L), R2 =(A0+=R7.H*R6.L) (IS); + A1 =R7.L*R5.H, A0 =R7.H*R5.H (IS) || R4=[TMP0]; + A1+=R7.H*R5.L, A0-=R7.L*R5.L (IS) || I1+=M1 || R7=[I3++]; // R7=(C1,C7) + A1+=R7.L*R6.H, A0-=R7.H*R6.H (IS); + R7 =(A1-=R7.H*R6.L), R6 =(A0-=R7.L*R6.L) (IS) || I2+=M1; + // R3=Y1, R2=Y7, R7=Y5, R6=Y3 + + /* Transpose write column. */ + R5.H=R4+R2 (RND20); // Y0=Y0+Y7 + R5.L=R4-R2 (RND20) || R4 = [TMP1]; // Y7=Y7-Y0 + R2.H=R1+R7 (RND20) || W[P0++P3]=R5.H; // Y2=Y2+Y5 st Y0 + R2.L=R1-R7 (RND20) || W[P1++P4]=R5.L || R7=[I3++]; // Y5=Y2-Y5 st Y7 + R5.H=R0-R3 (RND20) || W[P0++P3]=R2.H || R1.L=W[I1++]; // Y1=Y6-Y1 st Y2 + R5.L=R0+R3 (RND20) || W[P1++P4]=R2.L || R0.H=W[I0++]; // Y6=Y6+Y1 st Y5 + R3.H=R4-R6 (RND20) || W[P0++P3]=R5.H || R0.L=W[I2++]; // Y3=Y3-Y4 st Y1 + R3.L=R4+R6 (RND20) || W[P1++P4]=R5.L || R1.H=W[I0++]; // Y4=Y3+Y4 st Y6 + + /* pipeline loop start, + drain Y3, Y4 */ + A1=R7.H*R0.H, A0=R7.H*R0.H (IS) || W[P0++P2]= R3.H || R1.H = W[I0--]; +.3: R3=(A1+=R7.H*R0.L), R2=(A0-=R7.H*R0.L) (IS) || W[P1++P5]= R3.L || R7 = [I3++]; + + L3 = 0; + (R7:4,P5:3)=[SP++]; + unlink; + RTS; + + diff --git a/libavcodec/bfin/pixels_bfin.S b/libavcodec/bfin/pixels_bfin.S new file mode 100644 index 0000000000..2968fcff6f --- /dev/null +++ b/libavcodec/bfin/pixels_bfin.S @@ -0,0 +1,723 @@ +/* + * Blackfin Pixel Operations + * Copyright (C) 2007 Marc Hoffman <marc.hoffman@analog.com> + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include "config_bfin.h" + +DEFUN(put_pixels_clamped,mL1, + (DCTELEM *block, uint8_t *dest, int line_size)): + [--SP] = (R7:4); + R4 = 0; + R5.l = 0x00ff; + R5.h = 0x00ff; + I0 = R0; // block + I1 = R1; // dest + R2 += -4; // line_size + M1 = R2; + P0 = 8; + R0 = [I0++]; + R1 = [I0++]; + R2 = MAX(R0, R4) (V); + LSETUP (ppc$0,ppc$1) LC0=P0; +ppc$0: R2 = MIN(R2, R5) (V); + R3 = MAX(R1, R4) (V); + R3 = MIN(R3, R5) (V) || R0 = [I0++]; + R6 = BYTEPACK (R2,R3) || R1 = [I0++]; + R2 = MAX(R0, R4) (V) || [I1++] = R6; + R2 = MIN(R2, R5) (V); + R3 = MAX(R1, R4) (V); + R3 = MIN(R3, R5) (V) || R0 = [I0++]; + R6 = BYTEPACK (R2,R3) || R1 = [I0++]; +ppc$1: R2 = Max(R0, R4) (V) || [I1++M1] = R6; + + (R7:4) = [SP++]; + RTS; + +DEFUN(add_pixels_clamped,mL1, + (DCTELEM *block, uint8_t *dest, int line_size)): + [-- SP] = (R7:4); + R4 = 0; + I0 = 0; + R2 += -4; // line_size + M0 = R2; + I1 = R1; // dest + I3 = R0; // block + I2 = R1; // dest + P0 = 8; + M3 = 2; + R0 = [I3++] || R2 = [I1]; + R2 = R2 << 8 || R0.H = W[I3--] || R3 = [I1++]; + R3 = R3 >> 8 || R1.L = W[I3] || I3 += 4; + R6 = BYTEOP3P(R1:0, R3:2) (LO) || R1.H = W[I3++] || R2 = [I1]; + + LSETUP(apc$2,apc$3) LC1 = P0; +apc$2: R7 = BYTEOP3P(R1:0, R3:2) (HI, R) || R0 = [I3++] || R3 = [I1++M0]; + R2 = R2 << 8 || R0.H = W[I3--]; + R3 = R3 >> 8 || R1.L = W[I3] || I3 += 4; + R6 = R6 + R7 (S) || R1.H = W[I3]; + R6 = BYTEOP3P(R1:0, R3:2) (LO) || I3+=M3 || [I2++]=R6; + R7 = BYTEOP3P(R1:0, R3:2) (HI, R) || R0 = [I3++] || R2 = [I1]; + R2 = R2 << 8 || R0.H = W[I3--] || R3 = [I1++]; + R3 = R3 >> 8 || R1.L = W[I3] || I3 += 4; + R6 = R6 + R7 (S) || R1.H = W[I3++]; +apc$3: R6 = BYTEOP3P(R1:0, R3:2) (LO) || [I2++M0] = R6 || R2 = [I1]; + + (R7:4) = [SP++]; + RTS; + + +/* + motion compensation + primitives + + * Halfpel motion compensation with rounding (a+b+1)>>1. + * This is an array[4][4] of motion compensation funcions for 4 + * horizontal blocksizes (8,16) and the 4 halfpel positions<br> + * *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ] + * @param block destination where the result is stored + * @param pixels source + * @param line_size number of bytes in a horizontal line of block + * @param h height + +*/ + +DEFUN(put_pixels8uc,mL1, + (uint8_t *block, const uint8_t *s0, const uint8_t *s1, + int dest_size, int line_size, int h)): + i3=r0; // dest + i0=r1; // src0 + i1=r2; // src1 + r0=[sp+12]; // dest_size + r2=[sp+16]; // line_size + p0=[sp+20]; // h + [--sp] = (r7:6); + r0+=-4; + m3=r0; + r2+=-8; + m0=r2; + LSETUP(pp8$0,pp8$1) LC0=P0; + DISALGNEXCPT || R0 = [I0++] || R2 =[I1++]; + +pp8$0: DISALGNEXCPT || R1 = [I0++] || R3 =[I1++]; + R6 = BYTEOP1P(R1:0,R3:2) || R0 = [I0++M0]|| R2 =[I1++M0]; + R7 = BYTEOP1P(R1:0,R3:2)(R) || R0 = [I0++] || [I3++] = R6 ; +pp8$1: DISALGNEXCPT || R2 = [I1++] || [I3++M3] = R7; + + (r7:6) = [sp++]; + RTS; + +DEFUN(put_pixels16uc,mL1, + (uint8_t *block, const uint8_t *s0, const uint8_t *s1, + int dest_size, int line_size, int h)): + link 0; + [--sp] = (r7:6); + i3=r0; // dest + i0=r1; // src0 + i1=r2; // src1 + r0=[fp+20]; // dest_size + r2=[fp+24]; // line_size + p0=[fp+28]; // h + + + r0+=-12; + m3=r0; // line_size + r2+=-16; + m0=r2; + + LSETUP(pp16$0,pp16$1) LC0=P0; + DISALGNEXCPT || R0 = [I0++] || R2 =[I1++]; + +pp16$0: DISALGNEXCPT || R1 = [I0++] || R3 =[I1++]; + R6 = BYTEOP1P(R1:0,R3:2) || R0 = [I0++] || R2 =[I1++]; + R7 = BYTEOP1P(R1:0,R3:2)(R) || R1 = [I0++] || R3 =[I1++]; + [I3++] = R6; + R6 = BYTEOP1P(R1:0,R3:2) || R0 = [I0++M0] || R2 =[I1++M0]; + R7 = BYTEOP1P(R1:0,R3:2)(R) || R0 = [I0++] || [I3++] = R7 ; + [I3++] = R6; +pp16$1: DISALGNEXCPT || R2 = [I1++] || [I3++M3] = R7; + + (r7:6) = [sp++]; + unlink; + RTS; + + + + + + +DEFUN(put_pixels8uc_nornd,mL1, + (uint8_t *block, const uint8_t *s0, const uint8_t *s1, + int line_size, int h)): + i3=r0; // dest + i0=r1; // src0 + i1=r2; // src1 + r2=[sp+12]; // line_size + p0=[sp+16]; // h + [--sp] = (r7:6); + r2+=-4; + m3=r2; + r2+=-4; + m0=r2; + LSETUP(pp8$2,pp8$3) LC0=P0; + DISALGNEXCPT || R0 = [I0++] || R2 =[I1++]; + +pp8$2: DISALGNEXCPT || R1 = [I0++] || R3 =[I1++]; + R6 = BYTEOP1P(R1:0,R3:2)(T) || R0 = [I0++M0]|| R2 =[I1++M0]; + R7 = BYTEOP1P(R1:0,R3:2)(T,R) || R0 = [I0++] || [I3++] = R6 ; +pp8$3: DISALGNEXCPT || R2 = [I1++] || [I3++M3] = R7; + + (r7:6) = [sp++]; + RTS; + +DEFUN(put_pixels16uc_nornd,mL1, + (uint8_t *block, const uint8_t *s0, const uint8_t *s1, + int line_size, int h)): + i3=r0; // dest + i0=r1; // src0 + i1=r2; // src1 + r2=[sp+12]; // line_size + p0=[sp+16]; // h + + [--sp] = (r7:6); + r2+=-12; + m3=r2; // line_size + r2+=-4; + m0=r2; + + LSETUP(pp16$2,pp16$3) LC0=P0; + DISALGNEXCPT || R0 = [I0++] || R2 =[I1++]; + +pp16$2: + DISALGNEXCPT || R1 = [I0++] || R3 =[I1++]; + R6 = BYTEOP1P(R1:0,R3:2)(T) || R0 = [I0++] || R2 =[I1++]; + R7 = BYTEOP1P(R1:0,R3:2)(T,R) || R1 = [I0++] || R3 =[I1++]; + [I3++] = R6; + + R6 = BYTEOP1P(R1:0,R3:2)(T) || R0 = [I0++M0] || R2 =[I1++M0]; + R7 = BYTEOP1P(R1:0,R3:2)(T,R) || R0 = [I0++] || [I3++] = R7 ; + [I3++] = R6; +pp16$3: DISALGNEXCPT || R2 = [I1++] || [I3++M3] = R7; + + (r7:6) = [sp++]; + + RTS; + +DEFUN(z_put_pixels16_xy2,mL1, + (uint8_t *block, const uint8_t *s0, + int dest_size, int line_size, int h)): + link 0; + [--sp] = (r7:4); + i3=r0; // dest + i0=r1; // src0--> pixels + i1=r1; // src1--> pixels + line_size + r2+=-12; + m2=r2; // m2=dest_width-4 + r2=[fp+20]; + m3=r2; // line_size + p0=[fp+24]; // h + r2+=-16; + i1+=m3; /* src1 + line_size */ + m0=r2; /* line-size - 20 */ + + B0 = I0; + B1 = I1; + B3 = I3; + + DISALGNEXCPT || R0 = [I0++] || R2 =[I1++]; + + LSETUP(LS$16E,LE$16E) LC0=P0; +LS$16E: DISALGNEXCPT || R1 = [I0++] || R3 =[I1++]; + R4 = BYTEOP2P (R3:2,R1:0) (RNDL) || R0 = [I0++] || R2 =[I1++]; + R5 = BYTEOP2P (R3:2,R1:0) (RNDL,R) || R1 = [I0++] || [I3++] = R4 ; + DISALGNEXCPT || R3 = [I1++] || [I3++] = R5; + R4 = BYTEOP2P (R3:2,R1:0) (RNDL) || R0 = [I0++M0]|| R2 = [I1++M0]; + R5 = BYTEOP2P (R3:2,R1:0) (RNDL,R) || R0 = [I0++] || [I3++] = R4 ; +LE$16E: DISALGNEXCPT || R2 = [I1++] || [I3++M2] = R5; + + M1 = 1; + I3 = B3; + I1 = B1; + I0 = B0; + + I0 += M1; + I1 += M1; + + DISALGNEXCPT || R0 = [I0++] || R2 =[I1++]; + LSETUP(LS$16O,LE$16O) LC0=P0; +LS$16O: DISALGNEXCPT || R1 = [I0++] || R3 =[I1++]; + R4 = BYTEOP2P (R3:2,R1:0) (RNDH) || R0 = [I0++] || R2 =[I1++]; + R5 = BYTEOP2P (R3:2,R1:0) (RNDH,R) || R1 = [I0++] || R6 =[I3++]; + R4 = R4 +|+ R6 || R7 = [I3--]; + R5 = R5 +|+ R7 || [I3++] = R4; + DISALGNEXCPT || R3 =[I1++] || [I3++] = R5; + R4 = BYTEOP2P (R3:2,R1:0) (RNDH) || R0 = [I0++M0]|| R2 = [I1++M0]; + R5 = BYTEOP2P (R3:2,R1:0) (RNDH,R) || R0 = [I0++] || R6 = [I3++]; + R4 = R4 +|+ R6 || R7 = [I3--]; + R5 = R5 +|+ R7 || [I3++] = R4; +LE$16O: DISALGNEXCPT || R2 = [I1++] || [I3++M2] = R5; + + (r7:4) = [sp++]; + unlink; + rts; + +DEFUN(put_pixels16_xy2_nornd,mL1, + (uint8_t *block, const uint8_t *s0, + int line_size, int h)): + link 0; + [--sp] = (r7:4); + i3=r0; // dest + i0=r1; // src0--> pixels + i1=r1; // src1--> pixels + line_size + m3=r2; + r2+=-12; + m2=r2; + r2+=-4; + i1+=m3; /* src1 + line_size */ + m0=r2; /* line-size - 20 */ + p0=[fp+20]; // h + + B0=I0; + B1=I1; + B3=I3; + + DISALGNEXCPT || R0 = [I0++] || R2 =[I1++]; + + LSETUP(LS$16ET,LE$16ET) LC0=P0; +LS$16ET:DISALGNEXCPT || R1 = [I0++] || R3 =[I1++]; + R4 = BYTEOP2P (R3:2,R1:0) (TL) || R0 = [I0++] || R2 =[I1++]; + R5 = BYTEOP2P (R3:2,R1:0) (TL,R) || R1 = [I0++] || [I3++] = R4 ; + DISALGNEXCPT || R3 = [I1++] || [I3++] = R5; + R4 = BYTEOP2P (R3:2,R1:0) (TL) || R0 = [I0++M0]|| R2 = [I1++M0]; + R5 = BYTEOP2P (R3:2,R1:0) (TL,R) || R0 = [I0++] || [I3++] = R4 ; +LE$16ET:DISALGNEXCPT || R2 = [I1++] || [I3++M2] = R5; + + M1 = 1; + I3=B3; + I1=B1; + I0=B0; + + I0 += M1; + I1 += M1; + + DISALGNEXCPT || R0 = [I0++] || R2 =[I1++]; + LSETUP(LS$16OT,LE$16OT) LC0=P0; +LS$16OT:DISALGNEXCPT || R1 = [I0++] || R3 =[I1++]; + R4 = BYTEOP2P (R3:2,R1:0) (TH) || R0 = [I0++] || R2 =[I1++]; + R5 = BYTEOP2P (R3:2,R1:0) (TH,R) || R1 = [I0++] || R6 =[I3++]; + R4 = R4 +|+ R6 || R7 = [I3--]; + R5 = R5 +|+ R7 || [I3++] = R4; + DISALGNEXCPT || R3 =[I1++] || [I3++] = R5; + R4 = BYTEOP2P (R3:2,R1:0) (TH) || R0 = [I0++M0]|| R2 = [I1++M0]; + R5 = BYTEOP2P (R3:2,R1:0) (TH,R) || R0 = [I0++] || R6 = [I3++]; + R4 = R4 +|+ R6 || R7 = [I3--]; + R5 = R5 +|+ R7 || [I3++] = R4; +LE$16OT:DISALGNEXCPT || R2 = [I1++] || [I3++M2] = R5; + + (r7:4) = [sp++]; + unlink; + rts; + +DEFUN(z_put_pixels8_xy2,mL1, + (uint8_t *block, const uint8_t *s0, + int dest_size, int line_size, int h)): + link 0; + [--sp] = (r7:4); + i3=r0; // dest + i0=r1; // src0--> pixels + i1=r1; // src1--> pixels + line_size + r2+=-4; + m2=r2; // m2=dest_width-4 + r2=[fp+20]; + m3=r2; // line_size + p0=[fp+24]; // h + r2+=-8; + i1+=m3; /* src1 + line_size */ + m0=r2; /* line-size - 20 */ + + b0 = I0; + b1 = I1; + b3 = I3; + + LSETUP(LS$8E,LE$8E) LC0=P0; + DISALGNEXCPT || R0 = [I0++] || R2 =[I1++]; +LS$8E: DISALGNEXCPT || R1 = [I0++] || R3 =[I1++]; + R4 = BYTEOP2P (R3:2,R1:0) (RNDL) || R0 = [I0++M0] || R2 =[I1++M0]; + R5 = BYTEOP2P (R3:2,R1:0) (RNDL,R) || R0 = [I0++] || [I3++] = R4 ; +LE$8E: DISALGNEXCPT || R2 = [I1++] || [I3++M2] = R5; + + M1 = 1; + I3 = b3; + I1 = b1; + I0 = b0; + + I0 += M1; + I1 += M1; + + LSETUP(LS$8O,LE$8O) LC0=P0; + DISALGNEXCPT || R0 = [I0++] || R2 =[I1++]; +LS$8O: DISALGNEXCPT || R1 = [I0++] || R3 =[I1++]; + R4 = BYTEOP2P (R3:2,R1:0) (RNDH) || R0 = [I0++M0] || R2 =[I1++M0]; + R5 = BYTEOP2P (R3:2,R1:0) (RNDH,R) || R0 = [I0++] || R6 =[I3++]; + R4 = R4 +|+ R6 || R7 = [I3--]; + R5 = R5 +|+ R7 || [I3++] = R4; +LE$8O: DISALGNEXCPT || R2 =[I1++] || [I3++M2] = R5; + + (r7:4) = [sp++]; + unlink; + rts; + +DEFUN(put_pixels8_xy2_nornd,mL1, + (uint8_t *block, const uint8_t *s0, int line_size, int h)): + link 0; + [--sp] = (r7:4); + i3=r0; // dest + i0=r1; // src0--> pixels + i1=r1; // src1--> pixels + line_size + m3=r2; + r2+=-4; + m2=r2; + r2+=-4; + i1+=m3; /* src1 + line_size */ + m0=r2; /* line-size - 20 */ + p0=[fp+20]; // h + + + b0 = I0; + b1 = I1; + b3 = I3; + + LSETUP(LS$8ET,LE$8ET) LC0=P0; + DISALGNEXCPT || R0 = [I0++] || R2 =[I1++]; + +LS$8ET: DISALGNEXCPT || R1 = [I0++] || R3 = [I1++]; + R4 = BYTEOP2P (R3:2,R1:0) (TL) || R0 = [I0++M0] || R2 = [I1++M0]; + R5 = BYTEOP2P (R3:2,R1:0) (TL,R) || R0 = [I0++] || [I3++] = R4 ; +LE$8ET: DISALGNEXCPT || R2 = [I1++] || [I3++M2] = R5; + + M1 = 1; + I3 = b3; + I1 = b1; + I0 = b0; + + I0 += M1; + I1 += M1; + + LSETUP(LS$8OT,LE$8OT) LC0=P0; + DISALGNEXCPT || R0 = [I0++] || R2 = [I1++]; + +LS$8OT: DISALGNEXCPT || R1 = [I0++] || R3 = [I1++]; + R4 = BYTEOP2P (R3:2,R1:0) (TH) || R0 = [I0++M0] || R2 = [I1++M0]; + R5 = BYTEOP2P (R3:2,R1:0) (TH,R) || R0 = [I0++] || R6 = [I3++]; + R4 = R4 +|+ R6 || R7 = [I3--]; + R5 = R5 +|+ R7 || [I3++] = R4; +LE$8OT: DISALGNEXCPT || R2 =[I1++] || [I3++M2] = R5; + + (r7:4) = [sp++]; + unlink; + rts; + +DEFUN(diff_pixels,mL1, + (DCTELEM *block, uint8_t *s1, uint8_t *s2, int stride)): + link 0; + [--sp] = (r7:4); + p0=8; + i3=r0; // block + i0=r1; // s1 + i1=r2; // s2 + r2=[fp+20]; // stride + r2+=-8; + m0=r2; + + + LSETUP(.LS0,.LE0) LC0=P0; + DISALGNEXCPT || R0 = [I0++] || R2 =[I1++]; + +.LS0: DISALGNEXCPT || R1 = [I0++] || R3 = [I1++]; + (R5,R4) = BYTEOP16M (R1:0,R3:2) || R0 = [I0++M0] || R2 = [I1++M0]; + (R7,R6) = BYTEOP16M (R1:0,R3:2) (R)|| R0 = [I0++] || [I3++] = R4; + DISALGNEXCPT || R2 = [I1++] || [I3++] = R5; + [i3++]=r6; +.LE0: [i3++]=r7; + + (r7:4) = [sp++]; + unlink; + rts; + +/* + for (i = 0; i < 16; i++) { + for (j = 0; j < 16; j++) { + sum += pix[j]; + } + pix += line_size; + } +*/ +DEFUN(pix_sum,mL1, + (uint8_t *p, int stride)): + link 0; + [--sp] = (r7:4); + p0=8; + i0=r0; // s1 + i1=r0; + m1=r1; + r1=r1+r1; + r1+=-16; // stride + m0=r1; + i1+=m1; + + r6=0; + + LSETUP(LS$PS,LE$PS) LC0=P0; + DISALGNEXCPT || R0 = [I0++] || R2 =[I1++]; + +LS$PS: DISALGNEXCPT || R1 = [I0++] || R3 = [I1++]; + (R5,R4) = BYTEOP16P (R3:2,R1:0) || R0 = [I0++] || R2 = [I1++]; + r6=r6+|+r5; + r6=r6+|+r4; + (R5,R4) = BYTEOP16P (R3:2,R1:0) (R)|| R1 = [I0++] || R3 = [I1++]; + r6=r6+|+r5; + r6=r6+|+r4; + (R5,R4) = BYTEOP16P (R3:2,R1:0) || R0 = [I0++m0] || R2 = [I1++m0]; + r6=r6+|+r5; + r6=r6+|+r4; + (R5,R4) = BYTEOP16P (R3:2,R1:0) (R)|| R0 = [I0++] || R2 = [I1++]; + r6=r6+|+r5; +LE$PS: r6=r6+|+r4; + r0.l=r6.l+r6.h; + r0.h=0; + + (r7:4) = [sp++]; + unlink; + rts; + + +DEFUN(get_pixels,mL1, + (DCTELEM *restrict block, const uint8_t *pixels, int line_size)): + [--sp] = (r7:4); + i3=r0; // dest + i0=r1; // src0 + p0=8; + r2+=-8; + m0=r2; + LSETUP(gp8$0,gp8$1) LC0=P0; + + DISALGNEXCPT || R0 = [I0++]; + DISALGNEXCPT || R1 = [I0++]; + +gp8$0: (R7,R6) = byteunpack R1:0 || R0 = [I0++M0]; + (R5,R4) = byteunpack R1:0 (R) || R0 = [I0++] || [I3++]=R6; + DISALGNEXCPT || R1 = [I0++] || [I3++]=R7; + [I3++]=R4; +gp8$1: [I3++]=R5 + + + (r7:4) = [sp++]; + RTS; + + +/* sad = sad16x16 (ubyte *mb, ubyte *refwin, srcwidth, refwinwidth, h) */ +/* 91 cycles */ +DEFUN(z_sad16x16,mL1, + (uint8_t *blk1, uint8_t *blk2, int dsz, int line_size, int h)): + link 0; + I0 = R0; + I1 = R1; + + A1 = A0 = 0; + R0 = [sp+20]; // rwidth + P2 = [sp+24]; // height + R3 = 16; + R0 = R0 - R3; + R3 = R2 - R3; + M1 = R0; + M0 = R3; + + DISALGNEXCPT || R0 = [I0++] || R2 = [I1++]; + LSETUP (s$16, e$16) LC0=P2; +s$16: DISALGNEXCPT || R1 = [I0++] || R3 = [I1++]; + SAA (R1:0,R3:2) || R0 = [I0++] || R2 = [I1++]; + SAA (R1:0,R3:2) (R) || R1 = [I0++] || R3 = [I1++]; + SAA (R1:0,R3:2) || R0 = [I0++M0] || R2 = [I1++M1]; +e$16: SAA (R1:0,R3:2) (R) || R0 = [I0++] || R2 = [I1++]; + + R3=A1.L+A1.H, R2=A0.L+A0.H ; + R0 = R2 + R3 ; + unlink; + RTS; + +/* sad = sad8x8 (ubyte *mb, ubyte *refwin, int srcwidth, int refwinwidth, int h) */ +/* 36 cycles */ +DEFUN(z_sad8x8,mL1, + (uint8_t *blk1, uint8_t *blk2, int dsz, int line_size, int h)): + I0 = R0; + I1 = R1; + + A1 = A0 = 0; + r0 = [sp+12]; // rwidth + P2 = [sp+16]; //height + R3 = 8; + R0 = R0 - R3; + R3 = R2 - R3; + M0 = R3; + M1 = R0; + + LSETUP (s$8, e$8) LC0=P2; + DISALGNEXCPT || R0 = [I0++] || R2 = [I1++]; + DISALGNEXCPT || R1 = [I0++] || R3 = [I1++]; +s$8: SAA (R1:0,R3:2) || R0 = [I0++M0] || R2 = [I1++M1]; + SAA (R1:0,R3:2) (R) || R0 = [I0++] || R2 = [I1++]; +e$8: DISALGNEXCPT || R1 = [I0++] || R3 = [I1++]; + + R3=A1.L+A1.H, R2=A0.L+A0.H ; + R0 = R2 + R3 ; + RTS; + +DEFUN(pix_norm1,mL1, + (uint8_t * pix, int line_size)): + [--SP]=(R7:4,P5:3); + + // Fetch the input arguments. + P1 = R0; // pix + P0 = R1; // line_size + P5 = 16; // loop ctr. + P0 -= P5; + M0 = P0; // M0 = line_size-16; + // Now for the real work. + A1 = A0 = 0; + lsetup(_pix_norm1_blkfn_loopStart, _pix_norm1_blkfn_loopEnd) LC1 = P5; + I0 = P1; + DISALGNEXCPT || r0 = [i0++]; + +_pix_norm1_blkfn_loopStart: + // following unpacks pix1[0..15] pix1+line_size[0..15] + DISALGNEXCPT || r1 = [i0++]; + + (r5, r4) = byteunpack r1:0 || r0 = [i0++]; + a1 += r5.h * r5.h, a0 += r5.l * r5.l (is); + a1 += r4.h * r4.h, a0 += r4.l * r4.l (is); + (r5, r4) = byteunpack r1:0(r) || r1 = [i0++]; + a1 += r5.h * r5.h, a0 += r5.l * r5.l (is); + a1 += r4.h * r4.h, a0 += r4.l * r4.l (is); + (r5, r4) = byteunpack r1:0 || r0 = [i0++M0]; + a1 += r5.h * r5.h, a0 += r5.l * r5.l (is); + a1 += r4.h * r4.h, a0 += r4.l * r4.l (is); + (r5, r4) = byteunpack r1:0(r) || r0 = [i0++]; + a1 += r5.h * r5.h, a0 += r5.l * r5.l (is); +_pix_norm1_blkfn_loopEnd: + a1 += r4.h * r4.h, a0 += r4.l * r4.l (is); + + +// Clean up at the end: + R2 = A0, R3 = A1; + R0 = R2 + R3 (S); + + (R7:4,P5:3)=[SP++]; + + RTS; + +DEFUN(sse4,mL1, + (void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)): + link 0; + [--sp] = (r7:6); + p0=[fp+24]; // h + i0=r1; // pix1 + i1=r2; // pix2 + r2=[fp+20]; // line_size + r2+=-4; + m0=r2; + + a0=a1=0; + LSETUP(.S40,.E40) LC0=P0; + DISALGNEXCPT || R0 = [I0++] || R2 =[I1++]; + +.S40: DISALGNEXCPT || R1 = [I0++M0] || R3 = [I1++M0]; + (R7,R6) = BYTEOP16M (R1:0,R3:2); + a0 += r7.l * r7.l, a1 += r7.h * r7.h (is); +.E40: a0 += r6.l * r6.l, a1 += r6.h * r6.h (is); + a0 += a1; + r0 = a0; + + (r7:6) = [sp++]; + unlink; + rts; + +DEFUN(sse8,mL1, + (void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)): + link 0; + [--sp] = (r7:6); + p0=[fp+24]; // h + i0=r1; // pix1 + i1=r2; // pix2 + r2=[fp+20]; // line_size + r2+=-8; + m0=r2; + + a0=a1=0; + LSETUP(.S80,.E80) LC0=P0; + DISALGNEXCPT || R0 = [I0++] || R2 =[I1++]; + +.S80: DISALGNEXCPT || R1 = [I0++] || R3 = [I1++]; + (R7,R6) = BYTEOP16M (R1:0,R3:2) || R0 = [I0++M0] || R2 = [I1++M0]; + a0 += r7.l * r7.l, a1 += r7.h * r7.h (is); + a0 += r6.l * r6.l, a1 += r6.h * r6.h (is); + (R7,R6) = BYTEOP16M (R1:0,R3:2) (R)|| R0 = [I0++] || R2 = [I1++]; + a0 += r7.l * r7.l, a1 += r7.h * r7.h (is); +.E80: a0 += r6.l * r6.l, a1 += r6.h * r6.h (is); + a0 += a1; + r0 = a0; + + (r7:6) = [sp++]; + unlink; + rts; + +DEFUN(sse16,mL1, + (void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)): + link 0; + [--sp] = (r7:6); + p0=[fp+24]; // h + i0=r1; // pix1 + i1=r2; // pix2 + r2=[fp+20]; // line_size + r2+=-16; + m0=r2; + + a0=a1=0; + DISALGNEXCPT || R0 = [I0++] || R2 =[I1++]; + LSETUP(.S160,.E160) LC0=P0; + +.S160: DISALGNEXCPT || R1 = [I0++] || R3 = [I1++]; + (R7,R6) = BYTEOP16M (R1:0,R3:2) || R0 = [I0++] || R2 = [I1++]; + a0 += r7.l * r7.l, a1 += r7.h * r7.h (is); + a0 += r6.l * r6.l, a1 += r6.h * r6.h (is); + (R7,R6) = BYTEOP16M (R1:0,R3:2) (R)|| R1 = [I0++] || R3 = [I1++]; + a0 += r7.l * r7.l, a1 += r7.h * r7.h (is); + a0 += r6.l * r6.l, a1 += r6.h * r6.h (is); + (R7,R6) = BYTEOP16M (R1:0,R3:2) || R0 = [I0++M0] || R2 = [I1++M0]; + a0 += r7.l * r7.l, a1 += r7.h * r7.h (is); + a0 += r6.l * r6.l, a1 += r6.h * r6.h (is); + (R7,R6) = BYTEOP16M (R1:0,R3:2) (R)|| R0 = [I0++] || R2 = [I1++]; + a0 += r7.l * r7.l, a1 += r7.h * r7.h (is); +.E160: a0 += r6.l * r6.l, a1 += r6.h * r6.h (is); + a0 += a1; + r0 = a0; + + (r7:6) = [sp++]; + unlink; + rts; + + |