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Gentoo's Bugzilla – Attachment 24608 Details for
Bug 39828
emerging avidemux-2.0.20 fails using hardened-gcc
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source file mpegvideo_mmx_template.c as requested
mpegvideo_mmx_template.c (text/plain), 15.61 KB, created by
Antony Suter
on 2004-01-29 17:44:01 UTC
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Description:
source file mpegvideo_mmx_template.c as requested
Filename:
MIME Type:
Creator:
Antony Suter
Created:
2004-01-29 17:44:01 UTC
Size:
15.61 KB
patch
obsolete
>/* > * MPEG video MMX templates > * > * Copyright (c) 2002 Michael Niedermayer <michaelni@gmx.at> > * > * This library 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 of the License, or (at your option) any later version. > * > * This library 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 this library; if not, write to the Free Software > * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA > */ >#undef SPREADW >#undef PMAXW >#ifdef HAVE_MMX2 >#define SPREADW(a) "pshufw $0, " #a ", " #a " \n\t" >#define PMAXW(a,b) "pmaxsw " #a ", " #b " \n\t" > >#else >#define SPREADW(a) \ > "punpcklwd " #a ", " #a " \n\t"\ > "punpcklwd " #a ", " #a " \n\t" >#define PMAXW(a,b) \ > "psubusw " #a ", " #b " \n\t"\ > "paddw " #a ", " #b " \n\t" >#endif > >static int RENAME(dct_quantize)(MpegEncContext *s, > DCTELEM *block, int n, > int qscale, int *overflow) >{ > int level=0, last_non_zero_p1, q; //=0 is cuz gcc says uninitalized ... > const uint16_t *qmat, *bias; > __align8 int16_t temp_block[64]; > > assert((7&(int)(&temp_block[0])) == 0); //did gcc align it correctly? > > //s->fdct (block); > RENAMEl(ff_fdct) (block); //cant be anything else ... > > if(s->dct_error_sum) > ff_denoise_dct(s, block); > > if (s->mb_intra) { > int dummy; > if (n < 4) > q = s->y_dc_scale; > else > q = s->c_dc_scale; > /* note: block[0] is assumed to be positive */ > if (!s->h263_aic) { >#if 1 > asm volatile ( > "imul %%ecx \n\t" > : "=d" (level), "=a"(dummy) > : "a" ((block[0]>>2) + q), "c" (inverse[q<<1]) > ); >#else > asm volatile ( > "xorl %%edx, %%edx \n\t" > "divw %%cx \n\t" > "movzwl %%ax, %%eax \n\t" > : "=a" (level) > : "a" ((block[0]>>2) + q), "c" (q<<1) > : "%edx" > ); >#endif > } else > /* For AIC we skip quant/dequant of INTRADC */ > level = (block[0] + 4)>>3; > > block[0]=0; //avoid fake overflow >// temp_block[0] = (block[0] + (q >> 1)) / q; > last_non_zero_p1 = 1; > bias = s->q_intra_matrix16[qscale][1]; > qmat = s->q_intra_matrix16[qscale][0]; > } else { > last_non_zero_p1 = 0; > bias = s->q_inter_matrix16[qscale][1]; > qmat = s->q_inter_matrix16[qscale][0]; > } > > if(s->out_format == FMT_H263 && s->mpeg_quant==0){ > > asm volatile( > "movd %%eax, %%mm3 \n\t" // last_non_zero_p1 > SPREADW(%%mm3) > "pxor %%mm7, %%mm7 \n\t" // 0 > "pxor %%mm4, %%mm4 \n\t" // 0 > "movq (%2), %%mm5 \n\t" // qmat[0] > "pxor %%mm6, %%mm6 \n\t" > "psubw (%3), %%mm6 \n\t" // -bias[0] > "movl $-128, %%eax \n\t" > ".balign 16 \n\t" > "1: \n\t" > "pxor %%mm1, %%mm1 \n\t" // 0 > "movq (%1, %%eax), %%mm0 \n\t" // block[i] > "pcmpgtw %%mm0, %%mm1 \n\t" // block[i] <= 0 ? 0xFF : 0x00 > "pxor %%mm1, %%mm0 \n\t" > "psubw %%mm1, %%mm0 \n\t" // ABS(block[i]) > "psubusw %%mm6, %%mm0 \n\t" // ABS(block[i]) + bias[0] > "pmulhw %%mm5, %%mm0 \n\t" // (ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16 > "por %%mm0, %%mm4 \n\t" > "pxor %%mm1, %%mm0 \n\t" > "psubw %%mm1, %%mm0 \n\t" // out=((ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16)*sign(block[i]) > "movq %%mm0, (%5, %%eax) \n\t" > "pcmpeqw %%mm7, %%mm0 \n\t" // out==0 ? 0xFF : 0x00 > "movq (%4, %%eax), %%mm1 \n\t" > "movq %%mm7, (%1, %%eax) \n\t" // 0 > "pandn %%mm1, %%mm0 \n\t" > PMAXW(%%mm0, %%mm3) > "addl $8, %%eax \n\t" > " js 1b \n\t" > "movq %%mm3, %%mm0 \n\t" > "psrlq $32, %%mm3 \n\t" > PMAXW(%%mm0, %%mm3) > "movq %%mm3, %%mm0 \n\t" > "psrlq $16, %%mm3 \n\t" > PMAXW(%%mm0, %%mm3) > "movd %%mm3, %%eax \n\t" > "movzbl %%al, %%eax \n\t" // last_non_zero_p1 > : "+a" (last_non_zero_p1) > : "r" (block+64), "r" (qmat), "r" (bias), > "r" (inv_zigzag_direct16+64), "r" (temp_block+64) > ); > // note the asm is split cuz gcc doesnt like that many operands ... > asm volatile( > "movd %1, %%mm1 \n\t" // max_qcoeff > SPREADW(%%mm1) > "psubusw %%mm1, %%mm4 \n\t" > "packuswb %%mm4, %%mm4 \n\t" > "movd %%mm4, %0 \n\t" // *overflow > : "=g" (*overflow) > : "g" (s->max_qcoeff) > ); > }else{ // FMT_H263 > asm volatile( > "movd %%eax, %%mm3 \n\t" // last_non_zero_p1 > SPREADW(%%mm3) > "pxor %%mm7, %%mm7 \n\t" // 0 > "pxor %%mm4, %%mm4 \n\t" // 0 > "movl $-128, %%eax \n\t" > ".balign 16 \n\t" > "1: \n\t" > "pxor %%mm1, %%mm1 \n\t" // 0 > "movq (%1, %%eax), %%mm0 \n\t" // block[i] > "pcmpgtw %%mm0, %%mm1 \n\t" // block[i] <= 0 ? 0xFF : 0x00 > "pxor %%mm1, %%mm0 \n\t" > "psubw %%mm1, %%mm0 \n\t" // ABS(block[i]) > "movq (%3, %%eax), %%mm6 \n\t" // bias[0] > "paddusw %%mm6, %%mm0 \n\t" // ABS(block[i]) + bias[0] > "movq (%2, %%eax), %%mm5 \n\t" // qmat[i] > "pmulhw %%mm5, %%mm0 \n\t" // (ABS(block[i])*qmat[0] + bias[0]*qmat[0])>>16 > "por %%mm0, %%mm4 \n\t" > "pxor %%mm1, %%mm0 \n\t" > "psubw %%mm1, %%mm0 \n\t" // out=((ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16)*sign(block[i]) > "movq %%mm0, (%5, %%eax) \n\t" > "pcmpeqw %%mm7, %%mm0 \n\t" // out==0 ? 0xFF : 0x00 > "movq (%4, %%eax), %%mm1 \n\t" > "movq %%mm7, (%1, %%eax) \n\t" // 0 > "pandn %%mm1, %%mm0 \n\t" > PMAXW(%%mm0, %%mm3) > "addl $8, %%eax \n\t" > " js 1b \n\t" > "movq %%mm3, %%mm0 \n\t" > "psrlq $32, %%mm3 \n\t" > PMAXW(%%mm0, %%mm3) > "movq %%mm3, %%mm0 \n\t" > "psrlq $16, %%mm3 \n\t" > PMAXW(%%mm0, %%mm3) > "movd %%mm3, %%eax \n\t" > "movzbl %%al, %%eax \n\t" // last_non_zero_p1 > : "+a" (last_non_zero_p1) > : "r" (block+64), "r" (qmat+64), "r" (bias+64), > "r" (inv_zigzag_direct16+64), "r" (temp_block+64) > ); > // note the asm is split cuz gcc doesnt like that many operands ... > asm volatile( > "movd %1, %%mm1 \n\t" // max_qcoeff > SPREADW(%%mm1) > "psubusw %%mm1, %%mm4 \n\t" > "packuswb %%mm4, %%mm4 \n\t" > "movd %%mm4, %0 \n\t" // *overflow > : "=g" (*overflow) > : "g" (s->max_qcoeff) > ); > } > > if(s->mb_intra) block[0]= level; > else block[0]= temp_block[0]; > > if(s->dsp.idct_permutation_type == FF_SIMPLE_IDCT_PERM){ > if(last_non_zero_p1 <= 1) goto end; > block[0x08] = temp_block[0x01]; block[0x10] = temp_block[0x08]; > block[0x20] = temp_block[0x10]; > if(last_non_zero_p1 <= 4) goto end; > block[0x18] = temp_block[0x09]; block[0x04] = temp_block[0x02]; > block[0x09] = temp_block[0x03]; > if(last_non_zero_p1 <= 7) goto end; > block[0x14] = temp_block[0x0A]; block[0x28] = temp_block[0x11]; > block[0x12] = temp_block[0x18]; block[0x02] = temp_block[0x20]; > if(last_non_zero_p1 <= 11) goto end; > block[0x1A] = temp_block[0x19]; block[0x24] = temp_block[0x12]; > block[0x19] = temp_block[0x0B]; block[0x01] = temp_block[0x04]; > block[0x0C] = temp_block[0x05]; > if(last_non_zero_p1 <= 16) goto end; > block[0x11] = temp_block[0x0C]; block[0x29] = temp_block[0x13]; > block[0x16] = temp_block[0x1A]; block[0x0A] = temp_block[0x21]; > block[0x30] = temp_block[0x28]; block[0x22] = temp_block[0x30]; > block[0x38] = temp_block[0x29]; block[0x06] = temp_block[0x22]; > if(last_non_zero_p1 <= 24) goto end; > block[0x1B] = temp_block[0x1B]; block[0x21] = temp_block[0x14]; > block[0x1C] = temp_block[0x0D]; block[0x05] = temp_block[0x06]; > block[0x0D] = temp_block[0x07]; block[0x15] = temp_block[0x0E]; > block[0x2C] = temp_block[0x15]; block[0x13] = temp_block[0x1C]; > if(last_non_zero_p1 <= 32) goto end; > block[0x0B] = temp_block[0x23]; block[0x34] = temp_block[0x2A]; > block[0x2A] = temp_block[0x31]; block[0x32] = temp_block[0x38]; > block[0x3A] = temp_block[0x39]; block[0x26] = temp_block[0x32]; > block[0x39] = temp_block[0x2B]; block[0x03] = temp_block[0x24]; > if(last_non_zero_p1 <= 40) goto end; > block[0x1E] = temp_block[0x1D]; block[0x25] = temp_block[0x16]; > block[0x1D] = temp_block[0x0F]; block[0x2D] = temp_block[0x17]; > block[0x17] = temp_block[0x1E]; block[0x0E] = temp_block[0x25]; > block[0x31] = temp_block[0x2C]; block[0x2B] = temp_block[0x33]; > if(last_non_zero_p1 <= 48) goto end; > block[0x36] = temp_block[0x3A]; block[0x3B] = temp_block[0x3B]; > block[0x23] = temp_block[0x34]; block[0x3C] = temp_block[0x2D]; > block[0x07] = temp_block[0x26]; block[0x1F] = temp_block[0x1F]; > block[0x0F] = temp_block[0x27]; block[0x35] = temp_block[0x2E]; > if(last_non_zero_p1 <= 56) goto end; > block[0x2E] = temp_block[0x35]; block[0x33] = temp_block[0x3C]; > block[0x3E] = temp_block[0x3D]; block[0x27] = temp_block[0x36]; > block[0x3D] = temp_block[0x2F]; block[0x2F] = temp_block[0x37]; > block[0x37] = temp_block[0x3E]; block[0x3F] = temp_block[0x3F]; > }else if(s->dsp.idct_permutation_type == FF_LIBMPEG2_IDCT_PERM){ > if(last_non_zero_p1 <= 1) goto end; > block[0x04] = temp_block[0x01]; > block[0x08] = temp_block[0x08]; block[0x10] = temp_block[0x10]; > if(last_non_zero_p1 <= 4) goto end; > block[0x0C] = temp_block[0x09]; block[0x01] = temp_block[0x02]; > block[0x05] = temp_block[0x03]; > if(last_non_zero_p1 <= 7) goto end; > block[0x09] = temp_block[0x0A]; block[0x14] = temp_block[0x11]; > block[0x18] = temp_block[0x18]; block[0x20] = temp_block[0x20]; > if(last_non_zero_p1 <= 11) goto end; > block[0x1C] = temp_block[0x19]; > block[0x11] = temp_block[0x12]; block[0x0D] = temp_block[0x0B]; > block[0x02] = temp_block[0x04]; block[0x06] = temp_block[0x05]; > if(last_non_zero_p1 <= 16) goto end; > block[0x0A] = temp_block[0x0C]; block[0x15] = temp_block[0x13]; > block[0x19] = temp_block[0x1A]; block[0x24] = temp_block[0x21]; > block[0x28] = temp_block[0x28]; block[0x30] = temp_block[0x30]; > block[0x2C] = temp_block[0x29]; block[0x21] = temp_block[0x22]; > if(last_non_zero_p1 <= 24) goto end; > block[0x1D] = temp_block[0x1B]; block[0x12] = temp_block[0x14]; > block[0x0E] = temp_block[0x0D]; block[0x03] = temp_block[0x06]; > block[0x07] = temp_block[0x07]; block[0x0B] = temp_block[0x0E]; > block[0x16] = temp_block[0x15]; block[0x1A] = temp_block[0x1C]; > if(last_non_zero_p1 <= 32) goto end; > block[0x25] = temp_block[0x23]; block[0x29] = temp_block[0x2A]; > block[0x34] = temp_block[0x31]; block[0x38] = temp_block[0x38]; > block[0x3C] = temp_block[0x39]; block[0x31] = temp_block[0x32]; > block[0x2D] = temp_block[0x2B]; block[0x22] = temp_block[0x24]; > if(last_non_zero_p1 <= 40) goto end; > block[0x1E] = temp_block[0x1D]; block[0x13] = temp_block[0x16]; > block[0x0F] = temp_block[0x0F]; block[0x17] = temp_block[0x17]; > block[0x1B] = temp_block[0x1E]; block[0x26] = temp_block[0x25]; > block[0x2A] = temp_block[0x2C]; block[0x35] = temp_block[0x33]; > if(last_non_zero_p1 <= 48) goto end; > block[0x39] = temp_block[0x3A]; block[0x3D] = temp_block[0x3B]; > block[0x32] = temp_block[0x34]; block[0x2E] = temp_block[0x2D]; > block[0x23] = temp_block[0x26]; block[0x1F] = temp_block[0x1F]; > block[0x27] = temp_block[0x27]; block[0x2B] = temp_block[0x2E]; > if(last_non_zero_p1 <= 56) goto end; > block[0x36] = temp_block[0x35]; block[0x3A] = temp_block[0x3C]; > block[0x3E] = temp_block[0x3D]; block[0x33] = temp_block[0x36]; > block[0x2F] = temp_block[0x2F]; block[0x37] = temp_block[0x37]; > block[0x3B] = temp_block[0x3E]; block[0x3F] = temp_block[0x3F]; > }else{ > if(last_non_zero_p1 <= 1) goto end; > block[0x01] = temp_block[0x01]; > block[0x08] = temp_block[0x08]; block[0x10] = temp_block[0x10]; > if(last_non_zero_p1 <= 4) goto end; > block[0x09] = temp_block[0x09]; block[0x02] = temp_block[0x02]; > block[0x03] = temp_block[0x03]; > if(last_non_zero_p1 <= 7) goto end; > block[0x0A] = temp_block[0x0A]; block[0x11] = temp_block[0x11]; > block[0x18] = temp_block[0x18]; block[0x20] = temp_block[0x20]; > if(last_non_zero_p1 <= 11) goto end; > block[0x19] = temp_block[0x19]; > block[0x12] = temp_block[0x12]; block[0x0B] = temp_block[0x0B]; > block[0x04] = temp_block[0x04]; block[0x05] = temp_block[0x05]; > if(last_non_zero_p1 <= 16) goto end; > block[0x0C] = temp_block[0x0C]; block[0x13] = temp_block[0x13]; > block[0x1A] = temp_block[0x1A]; block[0x21] = temp_block[0x21]; > block[0x28] = temp_block[0x28]; block[0x30] = temp_block[0x30]; > block[0x29] = temp_block[0x29]; block[0x22] = temp_block[0x22]; > if(last_non_zero_p1 <= 24) goto end; > block[0x1B] = temp_block[0x1B]; block[0x14] = temp_block[0x14]; > block[0x0D] = temp_block[0x0D]; block[0x06] = temp_block[0x06]; > block[0x07] = temp_block[0x07]; block[0x0E] = temp_block[0x0E]; > block[0x15] = temp_block[0x15]; block[0x1C] = temp_block[0x1C]; > if(last_non_zero_p1 <= 32) goto end; > block[0x23] = temp_block[0x23]; block[0x2A] = temp_block[0x2A]; > block[0x31] = temp_block[0x31]; block[0x38] = temp_block[0x38]; > block[0x39] = temp_block[0x39]; block[0x32] = temp_block[0x32]; > block[0x2B] = temp_block[0x2B]; block[0x24] = temp_block[0x24]; > if(last_non_zero_p1 <= 40) goto end; > block[0x1D] = temp_block[0x1D]; block[0x16] = temp_block[0x16]; > block[0x0F] = temp_block[0x0F]; block[0x17] = temp_block[0x17]; > block[0x1E] = temp_block[0x1E]; block[0x25] = temp_block[0x25]; > block[0x2C] = temp_block[0x2C]; block[0x33] = temp_block[0x33]; > if(last_non_zero_p1 <= 48) goto end; > block[0x3A] = temp_block[0x3A]; block[0x3B] = temp_block[0x3B]; > block[0x34] = temp_block[0x34]; block[0x2D] = temp_block[0x2D]; > block[0x26] = temp_block[0x26]; block[0x1F] = temp_block[0x1F]; > block[0x27] = temp_block[0x27]; block[0x2E] = temp_block[0x2E]; > if(last_non_zero_p1 <= 56) goto end; > block[0x35] = temp_block[0x35]; block[0x3C] = temp_block[0x3C]; > block[0x3D] = temp_block[0x3D]; block[0x36] = temp_block[0x36]; > block[0x2F] = temp_block[0x2F]; block[0x37] = temp_block[0x37]; > block[0x3E] = temp_block[0x3E]; block[0x3F] = temp_block[0x3F]; > } > end: >/* > for(i=0; i<last_non_zero_p1; i++) > { > int j= zigzag_direct_noperm[i]; > block[block_permute_op(j)]= temp_block[j]; > } >*/ > > return last_non_zero_p1 - 1; >}
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