| /* |
| * 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" |
| #include "libavutil/mips/mmiutils.h" |
| |
| void ff_get_pixels_8_mmi(int16_t *av_restrict block, const uint8_t *pixels, |
| ptrdiff_t stride) |
| { |
| double ftmp[7]; |
| DECLARE_VAR_ALL64; |
| DECLARE_VAR_ADDRT; |
| |
| __asm__ volatile ( |
| "xor %[ftmp0], %[ftmp0], %[ftmp0] \n\t" |
| |
| MMI_LDC1(%[ftmp1], %[pixels], 0x00) |
| MMI_LDXC1(%[ftmp2], %[pixels], %[stride], 0x00) |
| "punpcklbh %[ftmp3], %[ftmp1], %[ftmp0] \n\t" |
| "punpckhbh %[ftmp4], %[ftmp1], %[ftmp0] \n\t" |
| "punpcklbh %[ftmp5], %[ftmp2], %[ftmp0] \n\t" |
| "punpckhbh %[ftmp6], %[ftmp2], %[ftmp0] \n\t" |
| MMI_SDC1(%[ftmp3], %[block], 0x00) |
| MMI_SDC1(%[ftmp4], %[block], 0x08) |
| MMI_SDC1(%[ftmp5], %[block], 0x10) |
| MMI_SDC1(%[ftmp6], %[block], 0x18) |
| PTR_ADDU "%[pixels], %[pixels], %[stride_x2] \n\t" |
| |
| MMI_LDC1(%[ftmp1], %[pixels], 0x00) |
| MMI_LDXC1(%[ftmp2], %[pixels], %[stride], 0x00) |
| "punpcklbh %[ftmp3], %[ftmp1], %[ftmp0] \n\t" |
| "punpckhbh %[ftmp4], %[ftmp1], %[ftmp0] \n\t" |
| "punpcklbh %[ftmp5], %[ftmp2], %[ftmp0] \n\t" |
| "punpckhbh %[ftmp6], %[ftmp2], %[ftmp0] \n\t" |
| MMI_SDC1(%[ftmp3], %[block], 0x20) |
| MMI_SDC1(%[ftmp4], %[block], 0x28) |
| MMI_SDC1(%[ftmp5], %[block], 0x30) |
| MMI_SDC1(%[ftmp6], %[block], 0x38) |
| PTR_ADDU "%[pixels], %[pixels], %[stride_x2] \n\t" |
| |
| MMI_LDC1(%[ftmp1], %[pixels], 0x00) |
| MMI_LDXC1(%[ftmp2], %[pixels], %[stride], 0x00) |
| "punpcklbh %[ftmp3], %[ftmp1], %[ftmp0] \n\t" |
| "punpckhbh %[ftmp4], %[ftmp1], %[ftmp0] \n\t" |
| "punpcklbh %[ftmp5], %[ftmp2], %[ftmp0] \n\t" |
| "punpckhbh %[ftmp6], %[ftmp2], %[ftmp0] \n\t" |
| MMI_SDC1(%[ftmp3], %[block], 0x40) |
| MMI_SDC1(%[ftmp4], %[block], 0x48) |
| MMI_SDC1(%[ftmp5], %[block], 0x50) |
| MMI_SDC1(%[ftmp6], %[block], 0x58) |
| PTR_ADDU "%[pixels], %[pixels], %[stride_x2] \n\t" |
| |
| MMI_LDC1(%[ftmp1], %[pixels], 0x00) |
| MMI_LDXC1(%[ftmp2], %[pixels], %[stride], 0x00) |
| "punpcklbh %[ftmp3], %[ftmp1], %[ftmp0] \n\t" |
| "punpckhbh %[ftmp4], %[ftmp1], %[ftmp0] \n\t" |
| "punpcklbh %[ftmp5], %[ftmp2], %[ftmp0] \n\t" |
| "punpckhbh %[ftmp6], %[ftmp2], %[ftmp0] \n\t" |
| MMI_SDC1(%[ftmp3], %[block], 0x60) |
| MMI_SDC1(%[ftmp4], %[block], 0x68) |
| MMI_SDC1(%[ftmp5], %[block], 0x70) |
| MMI_SDC1(%[ftmp6], %[block], 0x78) |
| : [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]), |
| [ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]), |
| [ftmp4]"=&f"(ftmp[4]), [ftmp5]"=&f"(ftmp[5]), |
| [ftmp6]"=&f"(ftmp[6]), |
| RESTRICT_ASM_ALL64 |
| RESTRICT_ASM_ADDRT |
| [pixels]"+&r"(pixels) |
| : [block]"r"((mips_reg)block), [stride]"r"((mips_reg)stride), |
| [stride_x2]"r"((mips_reg)(stride<<1)) |
| : "memory" |
| ); |
| } |
| |
| void ff_diff_pixels_mmi(int16_t *av_restrict block, const uint8_t *src1, |
| const uint8_t *src2, ptrdiff_t stride) |
| { |
| double ftmp[5]; |
| mips_reg tmp[1]; |
| DECLARE_VAR_ALL64; |
| |
| __asm__ volatile ( |
| "li %[tmp0], 0x08 \n\t" |
| "xor %[ftmp4], %[ftmp4], %[ftmp4] \n\t" |
| "1: \n\t" |
| MMI_LDC1(%[ftmp0], %[src1], 0x00) |
| "or %[ftmp1], %[ftmp0], %[ftmp0] \n\t" |
| MMI_LDC1(%[ftmp2], %[src2], 0x00) |
| "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" |
| MMI_SDC1(%[ftmp0], %[block], 0x00) |
| MMI_SDC1(%[ftmp1], %[block], 0x08) |
| 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]), |
| RESTRICT_ASM_ALL64 |
| [block]"+&r"(block), [src1]"+&r"(src1), |
| [src2]"+&r"(src2) |
| : [stride]"r"((mips_reg)stride) |
| : "memory" |
| ); |
| } |
