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427 lines
12 KiB
427 lines
12 KiB
/* |
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* DSP utils : average functions are compiled twice for 3dnow/mmx2 |
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* Copyright (c) 2000, 2001 Fabrice Bellard. |
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* Copyright (c) 2002-2004 Michael Niedermayer |
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* |
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* This library 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 of the License, or (at your option) any later version. |
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* |
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* This library 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 this library; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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* |
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* MMX optimization by Nick Kurshev <nickols_k@mail.ru> |
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* mostly rewritten by Michael Niedermayer <michaelni@gmx.at> |
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* and improved by Zdenek Kabelac <kabi@users.sf.net> |
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*/ |
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|
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/* XXX: we use explicit registers to avoid a gcc 2.95.2 register asm |
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clobber bug - now it will work with 2.95.2 and also with -fPIC |
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*/ |
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static void DEF(put_pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h) |
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{ |
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__asm __volatile( |
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"lea (%3, %3), %%eax \n\t" |
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"1: \n\t" |
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"movq (%1), %%mm0 \n\t" |
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"movq (%1, %3), %%mm1 \n\t" |
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PAVGB" 1(%1), %%mm0 \n\t" |
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PAVGB" 1(%1, %3), %%mm1 \n\t" |
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"movq %%mm0, (%2) \n\t" |
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"movq %%mm1, (%2, %3) \n\t" |
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"addl %%eax, %1 \n\t" |
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"addl %%eax, %2 \n\t" |
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"movq (%1), %%mm0 \n\t" |
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"movq (%1, %3), %%mm1 \n\t" |
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PAVGB" 1(%1), %%mm0 \n\t" |
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PAVGB" 1(%1, %3), %%mm1 \n\t" |
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"addl %%eax, %1 \n\t" |
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"movq %%mm0, (%2) \n\t" |
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"movq %%mm1, (%2, %3) \n\t" |
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"addl %%eax, %2 \n\t" |
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"subl $4, %0 \n\t" |
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"jnz 1b \n\t" |
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:"+g"(h), "+S"(pixels), "+D"(block) |
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:"r" (line_size) |
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:"%eax", "memory"); |
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} |
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|
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static void DEF(put_pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h) |
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{ |
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__asm __volatile( |
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"1: \n\t" |
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"movq (%1), %%mm0 \n\t" |
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"addl %4, %1 \n\t" |
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"movq (%1), %%mm1 \n\t" |
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"addl %4, %1 \n\t" |
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PAVGB" (%2), %%mm0 \n\t" |
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PAVGB" 8(%2), %%mm1 \n\t" |
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"movq %%mm0, (%3) \n\t" |
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"addl %5, %3 \n\t" |
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"movq %%mm1, (%3) \n\t" |
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"addl %5, %3 \n\t" |
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"movq (%1), %%mm0 \n\t" |
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"addl %4, %1 \n\t" |
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"movq (%1), %%mm1 \n\t" |
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"addl %4, %1 \n\t" |
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PAVGB" 16(%2), %%mm0 \n\t" |
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PAVGB" 24(%2), %%mm1 \n\t" |
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"movq %%mm0, (%3) \n\t" |
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"addl %5, %3 \n\t" |
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"movq %%mm1, (%3) \n\t" |
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"addl %5, %3 \n\t" |
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"addl $32, %2 \n\t" |
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"subl $4, %0 \n\t" |
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"jnz 1b \n\t" |
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:"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst) |
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:"r"(src1Stride), "r"(dstStride) |
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:"memory"); |
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} |
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|
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static void DEF(put_pixels16_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h) |
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{ |
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__asm __volatile( |
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"lea (%3, %3), %%eax \n\t" |
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"1: \n\t" |
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"movq (%1), %%mm0 \n\t" |
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"movq (%1, %3), %%mm1 \n\t" |
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"movq 8(%1), %%mm2 \n\t" |
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"movq 8(%1, %3), %%mm3 \n\t" |
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PAVGB" 1(%1), %%mm0 \n\t" |
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PAVGB" 1(%1, %3), %%mm1 \n\t" |
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PAVGB" 9(%1), %%mm2 \n\t" |
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PAVGB" 9(%1, %3), %%mm3 \n\t" |
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"movq %%mm0, (%2) \n\t" |
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"movq %%mm1, (%2, %3) \n\t" |
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"movq %%mm2, 8(%2) \n\t" |
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"movq %%mm3, 8(%2, %3) \n\t" |
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"addl %%eax, %1 \n\t" |
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"addl %%eax, %2 \n\t" |
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"movq (%1), %%mm0 \n\t" |
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"movq (%1, %3), %%mm1 \n\t" |
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"movq 8(%1), %%mm2 \n\t" |
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"movq 8(%1, %3), %%mm3 \n\t" |
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PAVGB" 1(%1), %%mm0 \n\t" |
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PAVGB" 1(%1, %3), %%mm1 \n\t" |
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PAVGB" 9(%1), %%mm2 \n\t" |
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PAVGB" 9(%1, %3), %%mm3 \n\t" |
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"addl %%eax, %1 \n\t" |
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"movq %%mm0, (%2) \n\t" |
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"movq %%mm1, (%2, %3) \n\t" |
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"movq %%mm2, 8(%2) \n\t" |
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"movq %%mm3, 8(%2, %3) \n\t" |
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"addl %%eax, %2 \n\t" |
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"subl $4, %0 \n\t" |
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"jnz 1b \n\t" |
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:"+g"(h), "+S"(pixels), "+D"(block) |
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:"r" (line_size) |
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:"%eax", "memory"); |
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} |
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|
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static void DEF(put_pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h) |
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{ |
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__asm __volatile( |
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"1: \n\t" |
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"movq (%1), %%mm0 \n\t" |
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"movq 8(%1), %%mm1 \n\t" |
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"addl %4, %1 \n\t" |
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PAVGB" (%2), %%mm0 \n\t" |
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PAVGB" 8(%2), %%mm1 \n\t" |
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"movq %%mm0, (%3) \n\t" |
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"movq %%mm1, 8(%3) \n\t" |
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"addl %5, %3 \n\t" |
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"movq (%1), %%mm0 \n\t" |
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"movq 8(%1), %%mm1 \n\t" |
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"addl %4, %1 \n\t" |
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PAVGB" 16(%2), %%mm0 \n\t" |
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PAVGB" 24(%2), %%mm1 \n\t" |
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"movq %%mm0, (%3) \n\t" |
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"movq %%mm1, 8(%3) \n\t" |
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"addl %5, %3 \n\t" |
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"addl $32, %2 \n\t" |
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"subl $2, %0 \n\t" |
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"jnz 1b \n\t" |
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:"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst) |
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:"r"(src1Stride), "r"(dstStride) |
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:"memory"); |
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} |
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|
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/* GL: this function does incorrect rounding if overflow */ |
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static void DEF(put_no_rnd_pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h) |
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{ |
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MOVQ_BONE(mm6); |
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__asm __volatile( |
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"lea (%3, %3), %%eax \n\t" |
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"1: \n\t" |
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"movq (%1), %%mm0 \n\t" |
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"movq (%1, %3), %%mm2 \n\t" |
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"movq 1(%1), %%mm1 \n\t" |
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"movq 1(%1, %3), %%mm3 \n\t" |
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"addl %%eax, %1 \n\t" |
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"psubusb %%mm6, %%mm0 \n\t" |
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"psubusb %%mm6, %%mm2 \n\t" |
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PAVGB" %%mm1, %%mm0 \n\t" |
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PAVGB" %%mm3, %%mm2 \n\t" |
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"movq %%mm0, (%2) \n\t" |
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"movq %%mm2, (%2, %3) \n\t" |
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"movq (%1), %%mm0 \n\t" |
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"movq 1(%1), %%mm1 \n\t" |
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"movq (%1, %3), %%mm2 \n\t" |
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"movq 1(%1, %3), %%mm3 \n\t" |
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"addl %%eax, %2 \n\t" |
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"addl %%eax, %1 \n\t" |
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"psubusb %%mm6, %%mm0 \n\t" |
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"psubusb %%mm6, %%mm2 \n\t" |
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PAVGB" %%mm1, %%mm0 \n\t" |
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PAVGB" %%mm3, %%mm2 \n\t" |
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"movq %%mm0, (%2) \n\t" |
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"movq %%mm2, (%2, %3) \n\t" |
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"addl %%eax, %2 \n\t" |
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"subl $4, %0 \n\t" |
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"jnz 1b \n\t" |
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:"+g"(h), "+S"(pixels), "+D"(block) |
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:"r" (line_size) |
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:"%eax", "memory"); |
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} |
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static void DEF(put_pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h) |
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{ |
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__asm __volatile( |
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"lea (%3, %3), %%eax \n\t" |
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"movq (%1), %%mm0 \n\t" |
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"subl %3, %2 \n\t" |
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"1: \n\t" |
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"movq (%1, %3), %%mm1 \n\t" |
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"movq (%1, %%eax), %%mm2 \n\t" |
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"addl %%eax, %1 \n\t" |
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PAVGB" %%mm1, %%mm0 \n\t" |
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PAVGB" %%mm2, %%mm1 \n\t" |
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"movq %%mm0, (%2, %3) \n\t" |
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"movq %%mm1, (%2, %%eax) \n\t" |
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"movq (%1, %3), %%mm1 \n\t" |
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"movq (%1, %%eax), %%mm0 \n\t" |
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"addl %%eax, %2 \n\t" |
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"addl %%eax, %1 \n\t" |
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PAVGB" %%mm1, %%mm2 \n\t" |
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PAVGB" %%mm0, %%mm1 \n\t" |
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"movq %%mm2, (%2, %3) \n\t" |
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"movq %%mm1, (%2, %%eax) \n\t" |
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"addl %%eax, %2 \n\t" |
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"subl $4, %0 \n\t" |
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"jnz 1b \n\t" |
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:"+g"(h), "+S"(pixels), "+D" (block) |
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:"r" (line_size) |
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:"%eax", "memory"); |
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} |
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|
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/* GL: this function does incorrect rounding if overflow */ |
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static void DEF(put_no_rnd_pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h) |
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{ |
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MOVQ_BONE(mm6); |
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__asm __volatile( |
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"lea (%3, %3), %%eax \n\t" |
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"movq (%1), %%mm0 \n\t" |
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"subl %3, %2 \n\t" |
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"1: \n\t" |
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"movq (%1, %3), %%mm1 \n\t" |
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"movq (%1, %%eax), %%mm2 \n\t" |
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"addl %%eax, %1 \n\t" |
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"psubusb %%mm6, %%mm1 \n\t" |
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PAVGB" %%mm1, %%mm0 \n\t" |
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PAVGB" %%mm2, %%mm1 \n\t" |
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"movq %%mm0, (%2, %3) \n\t" |
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"movq %%mm1, (%2, %%eax) \n\t" |
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"movq (%1, %3), %%mm1 \n\t" |
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"movq (%1, %%eax), %%mm0 \n\t" |
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"addl %%eax, %2 \n\t" |
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"addl %%eax, %1 \n\t" |
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"psubusb %%mm6, %%mm1 \n\t" |
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PAVGB" %%mm1, %%mm2 \n\t" |
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PAVGB" %%mm0, %%mm1 \n\t" |
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"movq %%mm2, (%2, %3) \n\t" |
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"movq %%mm1, (%2, %%eax) \n\t" |
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"addl %%eax, %2 \n\t" |
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"subl $4, %0 \n\t" |
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"jnz 1b \n\t" |
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:"+g"(h), "+S"(pixels), "+D" (block) |
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:"r" (line_size) |
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:"%eax", "memory"); |
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} |
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static void DEF(avg_pixels8)(uint8_t *block, const uint8_t *pixels, int line_size, int h) |
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{ |
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__asm __volatile( |
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"lea (%3, %3), %%eax \n\t" |
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"1: \n\t" |
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"movq (%2), %%mm0 \n\t" |
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"movq (%2, %3), %%mm1 \n\t" |
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PAVGB" (%1), %%mm0 \n\t" |
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PAVGB" (%1, %3), %%mm1 \n\t" |
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"movq %%mm0, (%2) \n\t" |
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"movq %%mm1, (%2, %3) \n\t" |
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"addl %%eax, %1 \n\t" |
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"addl %%eax, %2 \n\t" |
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"movq (%2), %%mm0 \n\t" |
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"movq (%2, %3), %%mm1 \n\t" |
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PAVGB" (%1), %%mm0 \n\t" |
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PAVGB" (%1, %3), %%mm1 \n\t" |
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"addl %%eax, %1 \n\t" |
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"movq %%mm0, (%2) \n\t" |
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"movq %%mm1, (%2, %3) \n\t" |
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"addl %%eax, %2 \n\t" |
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"subl $4, %0 \n\t" |
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"jnz 1b \n\t" |
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:"+g"(h), "+S"(pixels), "+D"(block) |
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:"r" (line_size) |
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:"%eax", "memory"); |
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} |
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|
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static void DEF(avg_pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h) |
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{ |
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__asm __volatile( |
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"lea (%3, %3), %%eax \n\t" |
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"1: \n\t" |
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"movq (%1), %%mm0 \n\t" |
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"movq (%1, %3), %%mm2 \n\t" |
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PAVGB" 1(%1), %%mm0 \n\t" |
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PAVGB" 1(%1, %3), %%mm2 \n\t" |
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PAVGB" (%2), %%mm0 \n\t" |
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PAVGB" (%2, %3), %%mm2 \n\t" |
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"addl %%eax, %1 \n\t" |
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"movq %%mm0, (%2) \n\t" |
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"movq %%mm2, (%2, %3) \n\t" |
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"movq (%1), %%mm0 \n\t" |
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"movq (%1, %3), %%mm2 \n\t" |
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PAVGB" 1(%1), %%mm0 \n\t" |
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PAVGB" 1(%1, %3), %%mm2 \n\t" |
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"addl %%eax, %2 \n\t" |
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"addl %%eax, %1 \n\t" |
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PAVGB" (%2), %%mm0 \n\t" |
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PAVGB" (%2, %3), %%mm2 \n\t" |
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"movq %%mm0, (%2) \n\t" |
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"movq %%mm2, (%2, %3) \n\t" |
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"addl %%eax, %2 \n\t" |
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"subl $4, %0 \n\t" |
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"jnz 1b \n\t" |
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:"+g"(h), "+S"(pixels), "+D"(block) |
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:"r" (line_size) |
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:"%eax", "memory"); |
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} |
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|
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static void DEF(avg_pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h) |
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{ |
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__asm __volatile( |
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"lea (%3, %3), %%eax \n\t" |
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"movq (%1), %%mm0 \n\t" |
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"subl %3, %2 \n\t" |
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"1: \n\t" |
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"movq (%1, %3), %%mm1 \n\t" |
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"movq (%1, %%eax), %%mm2 \n\t" |
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"addl %%eax, %1 \n\t" |
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PAVGB" %%mm1, %%mm0 \n\t" |
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PAVGB" %%mm2, %%mm1 \n\t" |
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"movq (%2, %3), %%mm3 \n\t" |
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"movq (%2, %%eax), %%mm4 \n\t" |
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PAVGB" %%mm3, %%mm0 \n\t" |
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PAVGB" %%mm4, %%mm1 \n\t" |
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"movq %%mm0, (%2, %3) \n\t" |
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"movq %%mm1, (%2, %%eax) \n\t" |
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"movq (%1, %3), %%mm1 \n\t" |
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"movq (%1, %%eax), %%mm0 \n\t" |
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PAVGB" %%mm1, %%mm2 \n\t" |
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PAVGB" %%mm0, %%mm1 \n\t" |
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"addl %%eax, %2 \n\t" |
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"addl %%eax, %1 \n\t" |
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"movq (%2, %3), %%mm3 \n\t" |
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"movq (%2, %%eax), %%mm4 \n\t" |
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PAVGB" %%mm3, %%mm2 \n\t" |
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PAVGB" %%mm4, %%mm1 \n\t" |
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"movq %%mm2, (%2, %3) \n\t" |
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"movq %%mm1, (%2, %%eax) \n\t" |
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"addl %%eax, %2 \n\t" |
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"subl $4, %0 \n\t" |
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"jnz 1b \n\t" |
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:"+g"(h), "+S"(pixels), "+D"(block) |
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:"r" (line_size) |
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:"%eax", "memory"); |
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} |
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|
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// Note this is not correctly rounded, but this function is only used for b frames so it doesnt matter |
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static void DEF(avg_pixels8_xy2)(uint8_t *block, const uint8_t *pixels, int line_size, int h) |
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{ |
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MOVQ_BONE(mm6); |
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__asm __volatile( |
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"lea (%3, %3), %%eax \n\t" |
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"movq (%1), %%mm0 \n\t" |
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PAVGB" 1(%1), %%mm0 \n\t" |
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".balign 8 \n\t" |
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"1: \n\t" |
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"movq (%1, %%eax), %%mm2 \n\t" |
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"movq (%1, %3), %%mm1 \n\t" |
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"psubusb %%mm6, %%mm2 \n\t" |
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PAVGB" 1(%1, %3), %%mm1 \n\t" |
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PAVGB" 1(%1, %%eax), %%mm2 \n\t" |
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"addl %%eax, %1 \n\t" |
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PAVGB" %%mm1, %%mm0 \n\t" |
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PAVGB" %%mm2, %%mm1 \n\t" |
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PAVGB" (%2), %%mm0 \n\t" |
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PAVGB" (%2, %3), %%mm1 \n\t" |
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"movq %%mm0, (%2) \n\t" |
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"movq %%mm1, (%2, %3) \n\t" |
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"movq (%1, %3), %%mm1 \n\t" |
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"movq (%1, %%eax), %%mm0 \n\t" |
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PAVGB" 1(%1, %3), %%mm1 \n\t" |
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PAVGB" 1(%1, %%eax), %%mm0 \n\t" |
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"addl %%eax, %2 \n\t" |
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"addl %%eax, %1 \n\t" |
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PAVGB" %%mm1, %%mm2 \n\t" |
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PAVGB" %%mm0, %%mm1 \n\t" |
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PAVGB" (%2), %%mm2 \n\t" |
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PAVGB" (%2, %3), %%mm1 \n\t" |
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"movq %%mm2, (%2) \n\t" |
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"movq %%mm1, (%2, %3) \n\t" |
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"addl %%eax, %2 \n\t" |
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"subl $4, %0 \n\t" |
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"jnz 1b \n\t" |
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:"+g"(h), "+S"(pixels), "+D"(block) |
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:"r" (line_size) |
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:"%eax", "memory"); |
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} |
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|
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//FIXME the following could be optimized too ... |
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static void DEF(put_no_rnd_pixels16_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){ |
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DEF(put_no_rnd_pixels8_x2)(block , pixels , line_size, h); |
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DEF(put_no_rnd_pixels8_x2)(block+8, pixels+8, line_size, h); |
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} |
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static void DEF(put_pixels16_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){ |
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DEF(put_pixels8_y2)(block , pixels , line_size, h); |
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DEF(put_pixels8_y2)(block+8, pixels+8, line_size, h); |
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} |
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static void DEF(put_no_rnd_pixels16_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){ |
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DEF(put_no_rnd_pixels8_y2)(block , pixels , line_size, h); |
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DEF(put_no_rnd_pixels8_y2)(block+8, pixels+8, line_size, h); |
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} |
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static void DEF(avg_pixels16)(uint8_t *block, const uint8_t *pixels, int line_size, int h){ |
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DEF(avg_pixels8)(block , pixels , line_size, h); |
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DEF(avg_pixels8)(block+8, pixels+8, line_size, h); |
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} |
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static void DEF(avg_pixels16_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){ |
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DEF(avg_pixels8_x2)(block , pixels , line_size, h); |
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DEF(avg_pixels8_x2)(block+8, pixels+8, line_size, h); |
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} |
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static void DEF(avg_pixels16_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){ |
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DEF(avg_pixels8_y2)(block , pixels , line_size, h); |
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DEF(avg_pixels8_y2)(block+8, pixels+8, line_size, h); |
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} |
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static void DEF(avg_pixels16_xy2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){ |
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DEF(avg_pixels8_xy2)(block , pixels , line_size, h); |
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DEF(avg_pixels8_xy2)(block+8, pixels+8, line_size, h); |
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} |
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