mirror of https://git.ffmpeg.org/ffmpeg.git
Remove all SH4 architecture optimizations
SH4 has been end-of-lifed and no more test machines are available.
This commit is contained in:
parent
bbb64356cc
commit
d6096a6742
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@ -2460,7 +2460,9 @@ typedef struct AVCodecContext {
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#define FF_IDCT_SIMPLEMMX 3
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#define FF_IDCT_ARM 7
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#define FF_IDCT_ALTIVEC 8
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#if FF_API_ARCH_SH4
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#define FF_IDCT_SH4 9
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#endif
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#define FF_IDCT_SIMPLEARM 10
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#define FF_IDCT_IPP 13
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#define FF_IDCT_XVIDMMX 14
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@ -2653,8 +2653,6 @@ av_cold void ff_dsputil_init(DSPContext* c, AVCodecContext *avctx)
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ff_dsputil_init_bfin(c, avctx);
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if (ARCH_PPC)
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ff_dsputil_init_ppc(c, avctx);
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if (ARCH_SH4)
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ff_dsputil_init_sh4(c, avctx);
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if (HAVE_VIS)
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ff_dsputil_init_vis(c, avctx);
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if (ARCH_X86)
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@ -300,7 +300,6 @@ void ff_set_cmp(DSPContext* c, me_cmp_func *cmp, int type);
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void ff_dsputil_init_arm(DSPContext* c, AVCodecContext *avctx);
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void ff_dsputil_init_bfin(DSPContext* c, AVCodecContext *avctx);
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void ff_dsputil_init_ppc(DSPContext* c, AVCodecContext *avctx);
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void ff_dsputil_init_sh4(DSPContext* c, AVCodecContext *avctx);
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void ff_dsputil_init_vis(DSPContext* c, AVCodecContext *avctx);
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void ff_dsputil_init_x86(DSPContext* c, AVCodecContext *avctx);
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@ -189,7 +189,9 @@ static const AVOption avcodec_options[] = {
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{"simplemmx", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_IDCT_SIMPLEMMX }, INT_MIN, INT_MAX, V|E|D, "idct"},
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{"arm", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_IDCT_ARM }, INT_MIN, INT_MAX, V|E|D, "idct"},
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{"altivec", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_IDCT_ALTIVEC }, INT_MIN, INT_MAX, V|E|D, "idct"},
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#if FF_API_ARCH_SH4
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{"sh4", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_IDCT_SH4 }, INT_MIN, INT_MAX, V|E|D, "idct"},
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#endif
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{"simplearm", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_IDCT_SIMPLEARM }, INT_MIN, INT_MAX, V|E|D, "idct"},
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{"simplearmv5te", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_IDCT_SIMPLEARMV5TE }, INT_MIN, INT_MAX, V|E|D, "idct"},
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{"simplearmv6", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_IDCT_SIMPLEARMV6 }, INT_MIN, INT_MAX, V|E|D, "idct"},
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@ -1,2 +0,0 @@
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OBJS += sh4/dsputil_sh4.o \
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sh4/idct_sh4.o \
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@ -1,107 +0,0 @@
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/*
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* sh4 dsputil
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*
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* Copyright (c) 2003 BERO <bero@geocities.co.jp>
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/attributes.h"
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#include "libavcodec/avcodec.h"
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#include "libavcodec/dsputil.h"
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#include "dsputil_sh4.h"
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#include "sh4.h"
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static void memzero_align8(void *dst,size_t size)
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{
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int fpscr;
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fp_single_enter(fpscr);
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dst = (char *)dst + size;
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size /= 32;
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__asm__ volatile (
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" fldi0 fr0\n"
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" fldi0 fr1\n"
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" fschg\n" // double
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"1: \n" \
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" dt %1\n"
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" fmov dr0,@-%0\n"
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" fmov dr0,@-%0\n"
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" fmov dr0,@-%0\n"
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" bf.s 1b\n"
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" fmov dr0,@-%0\n"
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" fschg" //back to single
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: "+r"(dst),"+r"(size) :: "memory" );
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fp_single_leave(fpscr);
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}
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static void clear_blocks_sh4(int16_t *blocks)
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{
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memzero_align8(blocks,sizeof(int16_t)*6*64);
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}
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static void idct_put(uint8_t *dest, int line_size, int16_t *block)
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{
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int i;
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const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
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ff_idct_sh4(block);
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for(i=0;i<8;i++) {
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dest[0] = cm[block[0]];
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dest[1] = cm[block[1]];
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dest[2] = cm[block[2]];
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dest[3] = cm[block[3]];
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dest[4] = cm[block[4]];
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dest[5] = cm[block[5]];
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dest[6] = cm[block[6]];
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dest[7] = cm[block[7]];
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dest+=line_size;
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block+=8;
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}
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}
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static void idct_add(uint8_t *dest, int line_size, int16_t *block)
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{
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int i;
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const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
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ff_idct_sh4(block);
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for(i=0;i<8;i++) {
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dest[0] = cm[dest[0]+block[0]];
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dest[1] = cm[dest[1]+block[1]];
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dest[2] = cm[dest[2]+block[2]];
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dest[3] = cm[dest[3]+block[3]];
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dest[4] = cm[dest[4]+block[4]];
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dest[5] = cm[dest[5]+block[5]];
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dest[6] = cm[dest[6]+block[6]];
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dest[7] = cm[dest[7]+block[7]];
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dest+=line_size;
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block+=8;
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}
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}
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av_cold void ff_dsputil_init_sh4(DSPContext *c, AVCodecContext *avctx)
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{
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const int idct_algo= avctx->idct_algo;
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const int high_bit_depth = avctx->bits_per_raw_sample > 8;
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if (!high_bit_depth)
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c->clear_blocks = clear_blocks_sh4;
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if (avctx->bits_per_raw_sample <= 8 &&
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(idct_algo==FF_IDCT_AUTO || idct_algo==FF_IDCT_SH4)) {
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c->idct_put = idct_put;
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c->idct_add = idct_add;
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c->idct = ff_idct_sh4;
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c->idct_permutation_type= FF_NO_IDCT_PERM;
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}
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}
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@ -1,27 +0,0 @@
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/*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_SH4_DSPUTIL_SH4_H
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#define AVCODEC_SH4_DSPUTIL_SH4_H
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#include "libavcodec/avcodec.h"
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#include "libavcodec/dsputil.h"
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void ff_idct_sh4(int16_t *block);
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#endif /* AVCODEC_SH4_DSPUTIL_SH4_H */
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@ -1,210 +0,0 @@
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/*
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* idct for sh4
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*
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* Copyright (c) 2001-2003 BERO <bero@geocities.co.jp>
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "dsputil_sh4.h"
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#include "sh4.h"
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#define c1 1.38703984532214752434 /* sqrt(2)*cos(1*pi/16) */
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#define c2 1.30656296487637657577 /* sqrt(2)*cos(2*pi/16) */
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#define c3 1.17587560241935884520 /* sqrt(2)*cos(3*pi/16) */
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#define c4 1.00000000000000000000 /* sqrt(2)*cos(4*pi/16) */
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#define c5 0.78569495838710234903 /* sqrt(2)*cos(5*pi/16) */
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#define c6 0.54119610014619712324 /* sqrt(2)*cos(6*pi/16) */
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#define c7 0.27589937928294311353 /* sqrt(2)*cos(7*pi/16) */
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static const float even_table[] __attribute__ ((aligned(8))) = {
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c4, c4, c4, c4,
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c2, c6,-c6,-c2,
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c4,-c4,-c4, c4,
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c6,-c2, c2,-c6
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};
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static const float odd_table[] __attribute__ ((aligned(8))) = {
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c1, c3, c5, c7,
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c3,-c7,-c1,-c5,
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c5,-c1, c7, c3,
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c7,-c5, c3,-c1
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};
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#undef c1
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#undef c2
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#undef c3
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#undef c4
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#undef c5
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#undef c6
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#undef c7
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#define load_matrix(table) \
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do { \
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const float *t = table; \
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__asm__ volatile( \
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" fschg\n" \
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" fmov @%0+,xd0\n" \
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" fmov @%0+,xd2\n" \
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" fmov @%0+,xd4\n" \
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" fmov @%0+,xd6\n" \
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" fmov @%0+,xd8\n" \
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" fmov @%0+,xd10\n" \
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" fmov @%0+,xd12\n" \
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" fmov @%0+,xd14\n" \
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" fschg\n" \
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: "+r"(t) \
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); \
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} while (0)
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#define ftrv() \
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__asm__ volatile("ftrv xmtrx,fv0" \
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: "+f"(fr0),"+f"(fr1),"+f"(fr2),"+f"(fr3));
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#define DEFREG \
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register float fr0 __asm__("fr0"); \
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register float fr1 __asm__("fr1"); \
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register float fr2 __asm__("fr2"); \
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register float fr3 __asm__("fr3")
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#define DESCALE(x,n) (x)*(1.0f/(1<<(n)))
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/* this code work worse on gcc cvs. 3.2.3 work fine */
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//optimized
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void ff_idct_sh4(int16_t *block)
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{
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DEFREG;
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int i;
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float tblock[8*8],*fblock;
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int ofs1,ofs2,ofs3;
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int fpscr;
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fp_single_enter(fpscr);
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/* row */
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/* even part */
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load_matrix(even_table);
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fblock = tblock+4;
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i = 8;
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do {
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fr0 = block[0];
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fr1 = block[2];
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fr2 = block[4];
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fr3 = block[6];
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block+=8;
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ftrv();
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*--fblock = fr3;
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*--fblock = fr2;
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*--fblock = fr1;
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*--fblock = fr0;
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fblock+=8+4;
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} while(--i);
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block-=8*8;
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fblock-=8*8+4;
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load_matrix(odd_table);
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i = 8;
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do {
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float t0,t1,t2,t3;
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fr0 = block[1];
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fr1 = block[3];
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fr2 = block[5];
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fr3 = block[7];
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block+=8;
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ftrv();
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t0 = *fblock++;
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t1 = *fblock++;
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t2 = *fblock++;
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t3 = *fblock++;
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fblock+=4;
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*--fblock = t0 - fr0;
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*--fblock = t1 - fr1;
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*--fblock = t2 - fr2;
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*--fblock = t3 - fr3;
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*--fblock = t3 + fr3;
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*--fblock = t2 + fr2;
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*--fblock = t1 + fr1;
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*--fblock = t0 + fr0;
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fblock+=8;
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} while(--i);
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block-=8*8;
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fblock-=8*8;
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/* col */
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/* even part */
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load_matrix(even_table);
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ofs1 = sizeof(float)*2*8;
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ofs2 = sizeof(float)*4*8;
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ofs3 = sizeof(float)*6*8;
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i = 8;
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#define OA(fblock,ofs) *(float*)((char*)fblock + ofs)
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do {
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fr0 = OA(fblock, 0);
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fr1 = OA(fblock,ofs1);
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fr2 = OA(fblock,ofs2);
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fr3 = OA(fblock,ofs3);
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ftrv();
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OA(fblock,0 ) = fr0;
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OA(fblock,ofs1) = fr1;
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OA(fblock,ofs2) = fr2;
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OA(fblock,ofs3) = fr3;
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fblock++;
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} while(--i);
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fblock-=8;
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load_matrix(odd_table);
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i=8;
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do {
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float t0,t1,t2,t3;
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t0 = OA(fblock, 0); /* [8*0] */
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t1 = OA(fblock,ofs1); /* [8*2] */
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t2 = OA(fblock,ofs2); /* [8*4] */
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t3 = OA(fblock,ofs3); /* [8*6] */
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fblock+=8;
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fr0 = OA(fblock, 0); /* [8*1] */
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fr1 = OA(fblock,ofs1); /* [8*3] */
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fr2 = OA(fblock,ofs2); /* [8*5] */
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fr3 = OA(fblock,ofs3); /* [8*7] */
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fblock+=-8+1;
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ftrv();
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block[8*0] = DESCALE(t0 + fr0,3);
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block[8*7] = DESCALE(t0 - fr0,3);
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block[8*1] = DESCALE(t1 + fr1,3);
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block[8*6] = DESCALE(t1 - fr1,3);
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block[8*2] = DESCALE(t2 + fr2,3);
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block[8*5] = DESCALE(t2 - fr2,3);
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block[8*3] = DESCALE(t3 + fr3,3);
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block[8*4] = DESCALE(t3 - fr3,3);
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block++;
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} while(--i);
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fp_single_leave(fpscr);
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}
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@ -1,44 +0,0 @@
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/*
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* Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
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*
|
||||
* This file is part of Libav.
|
||||
*
|
||||
* Libav 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.
|
||||
*
|
||||
* Libav 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 Libav; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
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#ifndef AVCODEC_SH4_SH4_H
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#define AVCODEC_SH4_SH4_H
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#ifdef __SH4__
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# define fp_single_enter(fpscr) \
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do { \
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__asm__ volatile ("sts fpscr, %0 \n\t" \
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"and %1, %0 \n\t" \
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"lds %0, fpscr \n\t" \
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: "=&r"(fpscr) : "r"(~(1<<19))); \
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} while (0)
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# define fp_single_leave(fpscr) \
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do { \
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__asm__ volatile ("or %1, %0 \n\t" \
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"lds %0, fpscr \n\t" \
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||||
: "+r"(fpscr) : "r"(1<<19)); \
|
||||
} while (0)
|
||||
#else
|
||||
# define fp_single_enter(fpscr) ((void)fpscr)
|
||||
# define fp_single_leave(fpscr)
|
||||
#endif
|
||||
|
||||
#endif /* AVCODEC_SH4_SH4_H */
|
|
@ -123,5 +123,8 @@
|
|||
#ifndef FF_API_EMU_EDGE
|
||||
#define FF_API_EMU_EDGE (LIBAVCODEC_VERSION_MAJOR < 56)
|
||||
#endif
|
||||
#ifndef FF_API_ARCH_SH4
|
||||
#define FF_API_ARCH_SH4 (LIBAVCODEC_VERSION_MAJOR < 56)
|
||||
#endif
|
||||
|
||||
#endif /* AVCODEC_VERSION_H */
|
||||
|
|
Loading…
Reference in New Issue