diff options
Diffstat (limited to 'libavcodec/x86/idctdsp_mmx.c')
| -rw-r--r-- | libavcodec/x86/idctdsp_mmx.c | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/libavcodec/x86/idctdsp_mmx.c b/libavcodec/x86/idctdsp_mmx.c deleted file mode 100644 index 7285b1d357..0000000000 --- a/libavcodec/x86/idctdsp_mmx.c +++ /dev/null @@ -1,168 +0,0 @@ -/* - * SIMD-optimized IDCT-related routines - * Copyright (c) 2000, 2001 Fabrice Bellard - * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> - * - * MMX optimization by Nick Kurshev <nickols_k@mail.ru> - * - * 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 "config.h" -#include "libavutil/cpu.h" -#include "libavutil/x86/asm.h" -#include "idctdsp.h" -#include "inline_asm.h" - -#if HAVE_INLINE_ASM - -void ff_put_pixels_clamped_mmx(const int16_t *block, uint8_t *pixels, - int line_size) -{ - const int16_t *p; - uint8_t *pix; - - /* read the pixels */ - p = block; - pix = pixels; - /* unrolled loop */ - __asm__ volatile ( - "movq (%3), %%mm0 \n\t" - "movq 8(%3), %%mm1 \n\t" - "movq 16(%3), %%mm2 \n\t" - "movq 24(%3), %%mm3 \n\t" - "movq 32(%3), %%mm4 \n\t" - "movq 40(%3), %%mm5 \n\t" - "movq 48(%3), %%mm6 \n\t" - "movq 56(%3), %%mm7 \n\t" - "packuswb %%mm1, %%mm0 \n\t" - "packuswb %%mm3, %%mm2 \n\t" - "packuswb %%mm5, %%mm4 \n\t" - "packuswb %%mm7, %%mm6 \n\t" - "movq %%mm0, (%0) \n\t" - "movq %%mm2, (%0, %1) \n\t" - "movq %%mm4, (%0, %1, 2) \n\t" - "movq %%mm6, (%0, %2) \n\t" - :: "r" (pix), "r" ((x86_reg) line_size), "r" ((x86_reg) line_size * 3), - "r" (p) - : "memory"); - pix += line_size * 4; - p += 32; - - // if here would be an exact copy of the code above - // compiler would generate some very strange code - // thus using "r" - __asm__ volatile ( - "movq (%3), %%mm0 \n\t" - "movq 8(%3), %%mm1 \n\t" - "movq 16(%3), %%mm2 \n\t" - "movq 24(%3), %%mm3 \n\t" - "movq 32(%3), %%mm4 \n\t" - "movq 40(%3), %%mm5 \n\t" - "movq 48(%3), %%mm6 \n\t" - "movq 56(%3), %%mm7 \n\t" - "packuswb %%mm1, %%mm0 \n\t" - "packuswb %%mm3, %%mm2 \n\t" - "packuswb %%mm5, %%mm4 \n\t" - "packuswb %%mm7, %%mm6 \n\t" - "movq %%mm0, (%0) \n\t" - "movq %%mm2, (%0, %1) \n\t" - "movq %%mm4, (%0, %1, 2) \n\t" - "movq %%mm6, (%0, %2) \n\t" - :: "r" (pix), "r" ((x86_reg) line_size), "r" ((x86_reg) line_size * 3), - "r" (p) - : "memory"); -} - -#define put_signed_pixels_clamped_mmx_half(off) \ - "movq "#off"(%2), %%mm1 \n\t" \ - "movq 16 + "#off"(%2), %%mm2 \n\t" \ - "movq 32 + "#off"(%2), %%mm3 \n\t" \ - "movq 48 + "#off"(%2), %%mm4 \n\t" \ - "packsswb 8 + "#off"(%2), %%mm1 \n\t" \ - "packsswb 24 + "#off"(%2), %%mm2 \n\t" \ - "packsswb 40 + "#off"(%2), %%mm3 \n\t" \ - "packsswb 56 + "#off"(%2), %%mm4 \n\t" \ - "paddb %%mm0, %%mm1 \n\t" \ - "paddb %%mm0, %%mm2 \n\t" \ - "paddb %%mm0, %%mm3 \n\t" \ - "paddb %%mm0, %%mm4 \n\t" \ - "movq %%mm1, (%0) \n\t" \ - "movq %%mm2, (%0, %3) \n\t" \ - "movq %%mm3, (%0, %3, 2) \n\t" \ - "movq %%mm4, (%0, %1) \n\t" - -void ff_put_signed_pixels_clamped_mmx(const int16_t *block, uint8_t *pixels, - int line_size) -{ - x86_reg line_skip = line_size; - x86_reg line_skip3; - - __asm__ volatile ( - "movq "MANGLE(ff_pb_80)", %%mm0 \n\t" - "lea (%3, %3, 2), %1 \n\t" - put_signed_pixels_clamped_mmx_half(0) - "lea (%0, %3, 4), %0 \n\t" - put_signed_pixels_clamped_mmx_half(64) - : "+&r" (pixels), "=&r" (line_skip3) - : "r" (block), "r" (line_skip) - : "memory"); -} - -void ff_add_pixels_clamped_mmx(const int16_t *block, uint8_t *pixels, - int line_size) -{ - const int16_t *p; - uint8_t *pix; - int i; - - /* read the pixels */ - p = block; - pix = pixels; - MOVQ_ZERO(mm7); - i = 4; - do { - __asm__ volatile ( - "movq (%2), %%mm0 \n\t" - "movq 8(%2), %%mm1 \n\t" - "movq 16(%2), %%mm2 \n\t" - "movq 24(%2), %%mm3 \n\t" - "movq %0, %%mm4 \n\t" - "movq %1, %%mm6 \n\t" - "movq %%mm4, %%mm5 \n\t" - "punpcklbw %%mm7, %%mm4 \n\t" - "punpckhbw %%mm7, %%mm5 \n\t" - "paddsw %%mm4, %%mm0 \n\t" - "paddsw %%mm5, %%mm1 \n\t" - "movq %%mm6, %%mm5 \n\t" - "punpcklbw %%mm7, %%mm6 \n\t" - "punpckhbw %%mm7, %%mm5 \n\t" - "paddsw %%mm6, %%mm2 \n\t" - "paddsw %%mm5, %%mm3 \n\t" - "packuswb %%mm1, %%mm0 \n\t" - "packuswb %%mm3, %%mm2 \n\t" - "movq %%mm0, %0 \n\t" - "movq %%mm2, %1 \n\t" - : "+m" (*pix), "+m" (*(pix + line_size)) - : "r" (p) - : "memory"); - pix += line_size * 2; - p += 16; - } while (--i); -} - -#endif /* HAVE_INLINE_ASM */ |