diff options
Diffstat (limited to 'libavcodec/mips/pixblockdsp_mmi.c')
| -rw-r--r-- | libavcodec/mips/pixblockdsp_mmi.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/libavcodec/mips/pixblockdsp_mmi.c b/libavcodec/mips/pixblockdsp_mmi.c new file mode 100644 index 0000000000..3ff84c0f18 --- /dev/null +++ b/libavcodec/mips/pixblockdsp_mmi.c @@ -0,0 +1,98 @@ +/* + * Loongson SIMD optimized pixblockdsp + * + * Copyright (c) 2015 Loongson Technology Corporation Limited + * Copyright (c) 2015 Zhou Xiaoyong <zhouxiaoyong@loongson.cn> + * + * This file is part of FFmpeg. + * + * FFmpeg 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. + * + * FFmpeg 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 FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "pixblockdsp_mips.h" +#include "libavutil/mips/asmdefs.h" + +void ff_get_pixels_8_mmi(int16_t *av_restrict block, const uint8_t *pixels, + ptrdiff_t line_size) +{ + double ftmp[6]; + mips_reg tmp[2]; + + __asm__ volatile ( + "li %[tmp1], 0x08 \n\t" + "move %[tmp0], $0 \n\t" + "xor %[ftmp0], %[ftmp0], %[ftmp0] \n\t" + "1: \n\t" + "gsldlc1 %[ftmp1], 0x07(%[pixels]) \n\t" + "gsldrc1 %[ftmp1], 0x00(%[pixels]) \n\t" + "punpcklbh %[ftmp2], %[ftmp1], %[ftmp0] \n\t" + "punpckhbh %[ftmp5], %[ftmp1], %[ftmp0] \n\t" + "gssdxc1 %[ftmp2], 0x00(%[block], %[tmp0]) \n\t" + "gssdxc1 %[ftmp5], 0x08(%[block], %[tmp0]) \n\t" + PTR_ADDI "%[tmp1], %[tmp1], -0x01 \n\t" + PTR_ADDIU "%[tmp0], %[tmp0], 0x10 \n\t" + PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t" + "bnez %[tmp1], 1b \n\t" + : [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]), + [ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]), + [ftmp4]"=&f"(ftmp[4]), [ftmp5]"=&f"(ftmp[5]), + [tmp0]"=&r"(tmp[0]), [tmp1]"=&r"(tmp[1]), + [pixels]"+&r"(pixels) + : [block]"r"((mips_reg)block), [line_size]"r"((mips_reg)line_size) + : "memory" + ); +} + +void ff_diff_pixels_mmi(int16_t *av_restrict block, const uint8_t *src1, + const uint8_t *src2, int stride) +{ + double ftmp[5]; + mips_reg tmp[1]; + + __asm__ volatile ( + "li %[tmp0], 0x08 \n\t" + "xor %[ftmp4], %[ftmp4], %[ftmp4] \n\t" + "1: \n\t" + "gsldlc1 %[ftmp0], 0x07(%[src1]) \n\t" + "gsldrc1 %[ftmp0], 0x00(%[src1]) \n\t" + "or %[ftmp1], %[ftmp0], %[ftmp0] \n\t" + "gsldlc1 %[ftmp2], 0x07(%[src2]) \n\t" + "gsldrc1 %[ftmp2], 0x00(%[src2]) \n\t" + "or %[ftmp3], %[ftmp2], %[ftmp2] \n\t" + "punpcklbh %[ftmp0], %[ftmp0], %[ftmp4] \n\t" + "punpckhbh %[ftmp1], %[ftmp1], %[ftmp4] \n\t" + "punpcklbh %[ftmp2], %[ftmp2], %[ftmp4] \n\t" + "punpckhbh %[ftmp3], %[ftmp3], %[ftmp4] \n\t" + "psubh %[ftmp0], %[ftmp0], %[ftmp2] \n\t" + "psubh %[ftmp1], %[ftmp1], %[ftmp3] \n\t" + "gssdlc1 %[ftmp0], 0x07(%[block]) \n\t" + "gssdrc1 %[ftmp0], 0x00(%[block]) \n\t" + "gssdlc1 %[ftmp1], 0x0f(%[block]) \n\t" + "gssdrc1 %[ftmp1], 0x08(%[block]) \n\t" + PTR_ADDI "%[tmp0], %[tmp0], -0x01 \n\t" + PTR_ADDIU "%[block], %[block], 0x10 \n\t" + PTR_ADDU "%[src1], %[src1], %[stride] \n\t" + PTR_ADDU "%[src2], %[src2], %[stride] \n\t" + "bgtz %[tmp0], 1b \n\t" + : [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]), + [ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]), + [ftmp4]"=&f"(ftmp[4]), + [tmp0]"=&r"(tmp[0]), + [block]"+&r"(block), [src1]"+&r"(src1), + [src2]"+&r"(src2) + : [stride]"r"((mips_reg)stride) + : "memory" + ); +} |