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98 lines
5.0 KiB
98 lines
5.0 KiB
/* |
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* Loongson SIMD optimized pixblockdsp |
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* |
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* Copyright (c) 2015 Loongson Technology Corporation Limited |
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* Copyright (c) 2015 Zhou Xiaoyong <zhouxiaoyong@loongson.cn> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg 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 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg 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 FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "pixblockdsp_mips.h" |
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#include "libavutil/mips/asmdefs.h" |
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void ff_get_pixels_8_mmi(int16_t *av_restrict block, const uint8_t *pixels, |
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ptrdiff_t line_size) |
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{ |
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double ftmp[6]; |
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mips_reg tmp[2]; |
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__asm__ volatile ( |
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"li %[tmp1], 0x08 \n\t" |
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"move %[tmp0], $0 \n\t" |
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"xor %[ftmp0], %[ftmp0], %[ftmp0] \n\t" |
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"1: \n\t" |
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"gsldlc1 %[ftmp1], 0x07(%[pixels]) \n\t" |
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"gsldrc1 %[ftmp1], 0x00(%[pixels]) \n\t" |
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"punpcklbh %[ftmp2], %[ftmp1], %[ftmp0] \n\t" |
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"punpckhbh %[ftmp5], %[ftmp1], %[ftmp0] \n\t" |
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"gssdxc1 %[ftmp2], 0x00(%[block], %[tmp0]) \n\t" |
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"gssdxc1 %[ftmp5], 0x08(%[block], %[tmp0]) \n\t" |
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PTR_ADDI "%[tmp1], %[tmp1], -0x01 \n\t" |
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PTR_ADDIU "%[tmp0], %[tmp0], 0x10 \n\t" |
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PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t" |
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"bnez %[tmp1], 1b \n\t" |
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: [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]), |
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[ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]), |
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[ftmp4]"=&f"(ftmp[4]), [ftmp5]"=&f"(ftmp[5]), |
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[tmp0]"=&r"(tmp[0]), [tmp1]"=&r"(tmp[1]), |
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[pixels]"+&r"(pixels) |
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: [block]"r"((mips_reg)block), [line_size]"r"((mips_reg)line_size) |
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: "memory" |
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); |
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} |
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void ff_diff_pixels_mmi(int16_t *av_restrict block, const uint8_t *src1, |
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const uint8_t *src2, int stride) |
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{ |
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double ftmp[5]; |
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mips_reg tmp[1]; |
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__asm__ volatile ( |
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"li %[tmp0], 0x08 \n\t" |
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"xor %[ftmp4], %[ftmp4], %[ftmp4] \n\t" |
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"1: \n\t" |
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"gsldlc1 %[ftmp0], 0x07(%[src1]) \n\t" |
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"gsldrc1 %[ftmp0], 0x00(%[src1]) \n\t" |
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"or %[ftmp1], %[ftmp0], %[ftmp0] \n\t" |
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"gsldlc1 %[ftmp2], 0x07(%[src2]) \n\t" |
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"gsldrc1 %[ftmp2], 0x00(%[src2]) \n\t" |
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"or %[ftmp3], %[ftmp2], %[ftmp2] \n\t" |
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"punpcklbh %[ftmp0], %[ftmp0], %[ftmp4] \n\t" |
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"punpckhbh %[ftmp1], %[ftmp1], %[ftmp4] \n\t" |
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"punpcklbh %[ftmp2], %[ftmp2], %[ftmp4] \n\t" |
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"punpckhbh %[ftmp3], %[ftmp3], %[ftmp4] \n\t" |
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"psubh %[ftmp0], %[ftmp0], %[ftmp2] \n\t" |
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"psubh %[ftmp1], %[ftmp1], %[ftmp3] \n\t" |
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"gssdlc1 %[ftmp0], 0x07(%[block]) \n\t" |
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"gssdrc1 %[ftmp0], 0x00(%[block]) \n\t" |
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"gssdlc1 %[ftmp1], 0x0f(%[block]) \n\t" |
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"gssdrc1 %[ftmp1], 0x08(%[block]) \n\t" |
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PTR_ADDI "%[tmp0], %[tmp0], -0x01 \n\t" |
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PTR_ADDIU "%[block], %[block], 0x10 \n\t" |
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PTR_ADDU "%[src1], %[src1], %[stride] \n\t" |
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PTR_ADDU "%[src2], %[src2], %[stride] \n\t" |
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"bgtz %[tmp0], 1b \n\t" |
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: [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]), |
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[ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]), |
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[ftmp4]"=&f"(ftmp[4]), |
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[tmp0]"=&r"(tmp[0]), |
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[block]"+&r"(block), [src1]"+&r"(src1), |
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[src2]"+&r"(src2) |
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: [stride]"r"((mips_reg)stride) |
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: "memory" |
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); |
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}
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