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- /*
- * SIMD-optimized halfpel functions are compiled twice for rnd/no_rnd
- * Copyright (c) 2000, 2001 Fabrice Bellard
- * Copyright (c) 2003-2004 Michael Niedermayer <michaelni@gmx.at>
- *
- * MMX optimization by Nick Kurshev <nickols_k@mail.ru>
- * mostly rewritten by Michael Niedermayer <michaelni@gmx.at>
- * and improved by Zdenek Kabelac <kabi@users.sf.net>
- *
- * 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
- */
-
- #include <stddef.h>
- #include <stdint.h>
-
- // put_pixels
- static void DEF(put, pixels8_x2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
- {
- MOVQ_BFE(mm6);
- __asm__ volatile(
- "lea (%3, %3), %%"REG_a" \n\t"
- ".p2align 3 \n\t"
- "1: \n\t"
- "movq (%1), %%mm0 \n\t"
- "movq 1(%1), %%mm1 \n\t"
- "movq (%1, %3), %%mm2 \n\t"
- "movq 1(%1, %3), %%mm3 \n\t"
- PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
- "movq %%mm4, (%2) \n\t"
- "movq %%mm5, (%2, %3) \n\t"
- "add %%"REG_a", %1 \n\t"
- "add %%"REG_a", %2 \n\t"
- "movq (%1), %%mm0 \n\t"
- "movq 1(%1), %%mm1 \n\t"
- "movq (%1, %3), %%mm2 \n\t"
- "movq 1(%1, %3), %%mm3 \n\t"
- PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
- "movq %%mm4, (%2) \n\t"
- "movq %%mm5, (%2, %3) \n\t"
- "add %%"REG_a", %1 \n\t"
- "add %%"REG_a", %2 \n\t"
- "subl $4, %0 \n\t"
- "jnz 1b \n\t"
- :"+g"(h), "+S"(pixels), "+D"(block)
- :"r"((x86_reg)line_size)
- :REG_a, "memory");
- }
-
- static void DEF(put, pixels16_x2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
- {
- MOVQ_BFE(mm6);
- __asm__ volatile(
- "lea (%3, %3), %%"REG_a" \n\t"
- ".p2align 3 \n\t"
- "1: \n\t"
- "movq (%1), %%mm0 \n\t"
- "movq 1(%1), %%mm1 \n\t"
- "movq (%1, %3), %%mm2 \n\t"
- "movq 1(%1, %3), %%mm3 \n\t"
- PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
- "movq %%mm4, (%2) \n\t"
- "movq %%mm5, (%2, %3) \n\t"
- "movq 8(%1), %%mm0 \n\t"
- "movq 9(%1), %%mm1 \n\t"
- "movq 8(%1, %3), %%mm2 \n\t"
- "movq 9(%1, %3), %%mm3 \n\t"
- PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
- "movq %%mm4, 8(%2) \n\t"
- "movq %%mm5, 8(%2, %3) \n\t"
- "add %%"REG_a", %1 \n\t"
- "add %%"REG_a", %2 \n\t"
- "movq (%1), %%mm0 \n\t"
- "movq 1(%1), %%mm1 \n\t"
- "movq (%1, %3), %%mm2 \n\t"
- "movq 1(%1, %3), %%mm3 \n\t"
- PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
- "movq %%mm4, (%2) \n\t"
- "movq %%mm5, (%2, %3) \n\t"
- "movq 8(%1), %%mm0 \n\t"
- "movq 9(%1), %%mm1 \n\t"
- "movq 8(%1, %3), %%mm2 \n\t"
- "movq 9(%1, %3), %%mm3 \n\t"
- PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
- "movq %%mm4, 8(%2) \n\t"
- "movq %%mm5, 8(%2, %3) \n\t"
- "add %%"REG_a", %1 \n\t"
- "add %%"REG_a", %2 \n\t"
- "subl $4, %0 \n\t"
- "jnz 1b \n\t"
- :"+g"(h), "+S"(pixels), "+D"(block)
- :"r"((x86_reg)line_size)
- :REG_a, "memory");
- }
-
- static void DEF(put, pixels8_y2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
- {
- MOVQ_BFE(mm6);
- __asm__ volatile(
- "lea (%3, %3), %%"REG_a" \n\t"
- "movq (%1), %%mm0 \n\t"
- ".p2align 3 \n\t"
- "1: \n\t"
- "movq (%1, %3), %%mm1 \n\t"
- "movq (%1, %%"REG_a"),%%mm2 \n\t"
- PAVGBP(%%mm1, %%mm0, %%mm4, %%mm2, %%mm1, %%mm5)
- "movq %%mm4, (%2) \n\t"
- "movq %%mm5, (%2, %3) \n\t"
- "add %%"REG_a", %1 \n\t"
- "add %%"REG_a", %2 \n\t"
- "movq (%1, %3), %%mm1 \n\t"
- "movq (%1, %%"REG_a"),%%mm0 \n\t"
- PAVGBP(%%mm1, %%mm2, %%mm4, %%mm0, %%mm1, %%mm5)
- "movq %%mm4, (%2) \n\t"
- "movq %%mm5, (%2, %3) \n\t"
- "add %%"REG_a", %1 \n\t"
- "add %%"REG_a", %2 \n\t"
- "subl $4, %0 \n\t"
- "jnz 1b \n\t"
- :"+g"(h), "+S"(pixels), "+D"(block)
- :"r"((x86_reg)line_size)
- :REG_a, "memory");
- }
-
- static void DEF(avg, pixels16_x2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
- {
- MOVQ_BFE(mm6);
- JUMPALIGN();
- do {
- __asm__ volatile(
- "movq %1, %%mm0 \n\t"
- "movq 1%1, %%mm1 \n\t"
- "movq %0, %%mm3 \n\t"
- PAVGB(%%mm0, %%mm1, %%mm2, %%mm6)
- PAVGB_MMX(%%mm3, %%mm2, %%mm0, %%mm6)
- "movq %%mm0, %0 \n\t"
- "movq 8%1, %%mm0 \n\t"
- "movq 9%1, %%mm1 \n\t"
- "movq 8%0, %%mm3 \n\t"
- PAVGB(%%mm0, %%mm1, %%mm2, %%mm6)
- PAVGB_MMX(%%mm3, %%mm2, %%mm0, %%mm6)
- "movq %%mm0, 8%0 \n\t"
- :"+m"(*block)
- :"m"(*pixels)
- :"memory");
- pixels += line_size;
- block += line_size;
- } while (--h);
- }
-
- static void DEF(avg, pixels8_y2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
- {
- MOVQ_BFE(mm6);
- __asm__ volatile(
- "lea (%3, %3), %%"REG_a" \n\t"
- "movq (%1), %%mm0 \n\t"
- ".p2align 3 \n\t"
- "1: \n\t"
- "movq (%1, %3), %%mm1 \n\t"
- "movq (%1, %%"REG_a"), %%mm2 \n\t"
- PAVGBP(%%mm1, %%mm0, %%mm4, %%mm2, %%mm1, %%mm5)
- "movq (%2), %%mm3 \n\t"
- PAVGB_MMX(%%mm3, %%mm4, %%mm0, %%mm6)
- "movq (%2, %3), %%mm3 \n\t"
- PAVGB_MMX(%%mm3, %%mm5, %%mm1, %%mm6)
- "movq %%mm0, (%2) \n\t"
- "movq %%mm1, (%2, %3) \n\t"
- "add %%"REG_a", %1 \n\t"
- "add %%"REG_a", %2 \n\t"
-
- "movq (%1, %3), %%mm1 \n\t"
- "movq (%1, %%"REG_a"), %%mm0 \n\t"
- PAVGBP(%%mm1, %%mm2, %%mm4, %%mm0, %%mm1, %%mm5)
- "movq (%2), %%mm3 \n\t"
- PAVGB_MMX(%%mm3, %%mm4, %%mm2, %%mm6)
- "movq (%2, %3), %%mm3 \n\t"
- PAVGB_MMX(%%mm3, %%mm5, %%mm1, %%mm6)
- "movq %%mm2, (%2) \n\t"
- "movq %%mm1, (%2, %3) \n\t"
- "add %%"REG_a", %1 \n\t"
- "add %%"REG_a", %2 \n\t"
-
- "subl $4, %0 \n\t"
- "jnz 1b \n\t"
- :"+g"(h), "+S"(pixels), "+D"(block)
- :"r"((x86_reg)line_size)
- :REG_a, "memory");
- }
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