diff options
Diffstat (limited to 'libavcodec/x86/blockdsp.c')
| -rw-r--r-- | libavcodec/x86/blockdsp.c | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/libavcodec/x86/blockdsp.c b/libavcodec/x86/blockdsp.c deleted file mode 100644 index b047e19ab5..0000000000 --- a/libavcodec/x86/blockdsp.c +++ /dev/null @@ -1,106 +0,0 @@ -/* - * 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 <stdint.h> - -#include "config.h" - -#include "libavutil/attributes.h" -#include "libavutil/internal.h" -#include "libavutil/cpu.h" -#include "libavutil/x86/asm.h" -#include "libavutil/x86/cpu.h" - -#include "libavcodec/blockdsp.h" - -#if HAVE_INLINE_ASM - -#define CLEAR_BLOCKS(name, n) \ -static void name(int16_t *blocks) \ -{ \ - __asm__ volatile ( \ - "pxor %%mm7, %%mm7 \n\t" \ - "mov %1, %%"FF_REG_a" \n\t" \ - "1: \n\t" \ - "movq %%mm7, (%0, %%"FF_REG_a") \n\t" \ - "movq %%mm7, 8(%0, %%"FF_REG_a") \n\t" \ - "movq %%mm7, 16(%0, %%"FF_REG_a") \n\t" \ - "movq %%mm7, 24(%0, %%"FF_REG_a") \n\t" \ - "add $32, %%"FF_REG_a" \n\t" \ - "js 1b \n\t" \ - :: "r"(((uint8_t *) blocks) + 128 * n), \ - "i"(-128 * n) \ - : "%"FF_REG_a); \ -} -CLEAR_BLOCKS(clear_blocks_mmx, 6) -CLEAR_BLOCKS(clear_block_mmx, 1) - -static void clear_block_sse(int16_t *block) -{ - __asm__ volatile ( - "xorps %%xmm0, %%xmm0 \n" - "movaps %%xmm0, (%0) \n" - "movaps %%xmm0, 16(%0) \n" - "movaps %%xmm0, 32(%0) \n" - "movaps %%xmm0, 48(%0) \n" - "movaps %%xmm0, 64(%0) \n" - "movaps %%xmm0, 80(%0) \n" - "movaps %%xmm0, 96(%0) \n" - "movaps %%xmm0, 112(%0) \n" - :: "r" (block) - : "memory"); -} - -static void clear_blocks_sse(int16_t *blocks) -{ - __asm__ volatile ( - "xorps %%xmm0, %%xmm0 \n" - "mov %1, %%"FF_REG_a" \n" - "1: \n" - "movaps %%xmm0, (%0, %%"FF_REG_a") \n" - "movaps %%xmm0, 16(%0, %%"FF_REG_a") \n" - "movaps %%xmm0, 32(%0, %%"FF_REG_a") \n" - "movaps %%xmm0, 48(%0, %%"FF_REG_a") \n" - "movaps %%xmm0, 64(%0, %%"FF_REG_a") \n" - "movaps %%xmm0, 80(%0, %%"FF_REG_a") \n" - "movaps %%xmm0, 96(%0, %%"FF_REG_a") \n" - "movaps %%xmm0, 112(%0, %%"FF_REG_a") \n" - "add $128, %%"FF_REG_a" \n" - "js 1b \n" - :: "r"(((uint8_t *) blocks) + 128 * 6), "i"(-128 * 6) - : "%"FF_REG_a); -} - -#endif /* HAVE_INLINE_ASM */ - -av_cold void ff_blockdsp_init_x86(BlockDSPContext *c) -{ -#if HAVE_INLINE_ASM - int cpu_flags = av_get_cpu_flags(); - - if (INLINE_MMX(cpu_flags)) { - c->clear_block = clear_block_mmx; - c->clear_blocks = clear_blocks_mmx; - } - - if (INLINE_SSE(cpu_flags)) { - c->clear_block = clear_block_sse; - c->clear_blocks = clear_blocks_sse; - } -#endif /* HAVE_INLINE_ASM */ -} |