| /* |
| * Loongson SIMD optimized idctdsp |
| * |
| * 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 "idctdsp_mips.h" |
| #include "constants.h" |
| #include "libavutil/mips/mmiutils.h" |
| |
| void ff_put_pixels_clamped_mmi(const int16_t *block, |
| uint8_t *av_restrict pixels, ptrdiff_t line_size) |
| { |
| double ftmp[8]; |
| |
| __asm__ volatile ( |
| MMI_LDC1(%[ftmp0], %[block], 0x00) |
| MMI_LDC1(%[ftmp1], %[block], 0x08) |
| MMI_LDC1(%[ftmp2], %[block], 0x10) |
| MMI_LDC1(%[ftmp3], %[block], 0x18) |
| MMI_LDC1(%[ftmp4], %[block], 0x20) |
| MMI_LDC1(%[ftmp5], %[block], 0x28) |
| MMI_LDC1(%[ftmp6], %[block], 0x30) |
| MMI_LDC1(%[ftmp7], %[block], 0x38) |
| "packushb %[ftmp0], %[ftmp0], %[ftmp1] \n\t" |
| "packushb %[ftmp2], %[ftmp2], %[ftmp3] \n\t" |
| "packushb %[ftmp4], %[ftmp4], %[ftmp5] \n\t" |
| "packushb %[ftmp6], %[ftmp6], %[ftmp7] \n\t" |
| MMI_SDC1(%[ftmp0], %[pixels], 0x00) |
| PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t" |
| MMI_SDC1(%[ftmp2], %[pixels], 0x00) |
| PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t" |
| MMI_SDC1(%[ftmp4], %[pixels], 0x00) |
| PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t" |
| MMI_SDC1(%[ftmp6], %[pixels], 0x00) |
| PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t" |
| |
| MMI_LDC1(%[ftmp0], %[block], 0x40) |
| MMI_LDC1(%[ftmp1], %[block], 0x48) |
| MMI_LDC1(%[ftmp2], %[block], 0x50) |
| MMI_LDC1(%[ftmp3], %[block], 0x58) |
| MMI_LDC1(%[ftmp4], %[block], 0x60) |
| MMI_LDC1(%[ftmp5], %[block], 0x68) |
| MMI_LDC1(%[ftmp6], %[block], 0x70) |
| MMI_LDC1(%[ftmp7], %[block], 0x78) |
| "packushb %[ftmp0], %[ftmp0], %[ftmp1] \n\t" |
| "packushb %[ftmp2], %[ftmp2], %[ftmp3] \n\t" |
| "packushb %[ftmp4], %[ftmp4], %[ftmp5] \n\t" |
| "packushb %[ftmp6], %[ftmp6], %[ftmp7] \n\t" |
| MMI_SDC1(%[ftmp0], %[pixels], 0x00) |
| PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t" |
| MMI_SDC1(%[ftmp2], %[pixels], 0x00) |
| PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t" |
| MMI_SDC1(%[ftmp4], %[pixels], 0x00) |
| PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t" |
| MMI_SDC1(%[ftmp6], %[pixels], 0x00) |
| : [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]), [ftmp7]"=&f"(ftmp[7]), |
| [pixels]"+&r"(pixels) |
| : [line_size]"r"((mips_reg)line_size), |
| [block]"r"(block) |
| : "memory" |
| ); |
| } |
| |
| void ff_put_signed_pixels_clamped_mmi(const int16_t *block, |
| uint8_t *av_restrict pixels, ptrdiff_t line_size) |
| { |
| double ftmp[5]; |
| |
| __asm__ volatile ( |
| MMI_LDC1(%[ftmp1], %[block], 0x00) |
| MMI_LDC1(%[ftmp0], %[block], 0x08) |
| "packsshb %[ftmp1], %[ftmp1], %[ftmp0] \n\t" |
| MMI_LDC1(%[ftmp2], %[block], 0x10) |
| MMI_LDC1(%[ftmp0], %[block], 0x18) |
| "packsshb %[ftmp2], %[ftmp2], %[ftmp0] \n\t" |
| MMI_LDC1(%[ftmp3], %[block], 0x20) |
| MMI_LDC1(%[ftmp0], %[block], 0x28) |
| "packsshb %[ftmp3], %[ftmp3], %[ftmp0] \n\t" |
| MMI_LDC1(%[ftmp4], %[block], 0x30) |
| MMI_LDC1(%[ftmp0], %[block], 0x38) |
| "packsshb %[ftmp4], %[ftmp4], %[ftmp0] \n\t" |
| "paddb %[ftmp1], %[ftmp1], %[ff_pb_80] \n\t" |
| "paddb %[ftmp2], %[ftmp2], %[ff_pb_80] \n\t" |
| "paddb %[ftmp3], %[ftmp3], %[ff_pb_80] \n\t" |
| "paddb %[ftmp4], %[ftmp4], %[ff_pb_80] \n\t" |
| MMI_SDC1(%[ftmp1], %[pixels], 0x00) |
| PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t" |
| MMI_SDC1(%[ftmp2], %[pixels], 0x00) |
| PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t" |
| MMI_SDC1(%[ftmp3], %[pixels], 0x00) |
| PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t" |
| MMI_SDC1(%[ftmp4], %[pixels], 0x00) |
| PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t" |
| |
| MMI_LDC1(%[ftmp1], %[block], 0x40) |
| MMI_LDC1(%[ftmp0], %[block], 0x48) |
| "packsshb %[ftmp1], %[ftmp1], %[ftmp0] \n\t" |
| MMI_LDC1(%[ftmp2], %[block], 0x50) |
| MMI_LDC1(%[ftmp0], %[block], 0x58) |
| "packsshb %[ftmp2], %[ftmp2], %[ftmp0] \n\t" |
| MMI_LDC1(%[ftmp3], %[block], 0x60) |
| MMI_LDC1(%[ftmp0], %[block], 0x68) |
| "packsshb %[ftmp3], %[ftmp3], %[ftmp0] \n\t" |
| MMI_LDC1(%[ftmp4], %[block], 0x70) |
| MMI_LDC1(%[ftmp0], %[block], 0x78) |
| "packsshb %[ftmp4], %[ftmp4], %[ftmp0] \n\t" |
| "paddb %[ftmp1], %[ftmp1], %[ff_pb_80] \n\t" |
| "paddb %[ftmp2], %[ftmp2], %[ff_pb_80] \n\t" |
| "paddb %[ftmp3], %[ftmp3], %[ff_pb_80] \n\t" |
| "paddb %[ftmp4], %[ftmp4], %[ff_pb_80] \n\t" |
| MMI_SDC1(%[ftmp1], %[pixels], 0x00) |
| PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t" |
| MMI_SDC1(%[ftmp2], %[pixels], 0x00) |
| PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t" |
| MMI_SDC1(%[ftmp3], %[pixels], 0x00) |
| PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t" |
| MMI_SDC1(%[ftmp4], %[pixels], 0x00) |
| : [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]), |
| [ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]), |
| [ftmp4]"=&f"(ftmp[4]), |
| [pixels]"+&r"(pixels) |
| : [block]"r"(block), |
| [line_size]"r"((mips_reg)line_size), |
| [ff_pb_80]"f"(ff_pb_80) |
| : "memory" |
| ); |
| } |
| |
| void ff_add_pixels_clamped_mmi(const int16_t *block, |
| uint8_t *av_restrict pixels, ptrdiff_t line_size) |
| { |
| double ftmp[9]; |
| uint64_t tmp[1]; |
| __asm__ volatile ( |
| "li %[tmp0], 0x04 \n\t" |
| "xor %[ftmp0], %[ftmp0], %[ftmp0] \n\t" |
| "1: \n\t" |
| MMI_LDC1(%[ftmp5], %[pixels], 0x00) |
| PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t" |
| MMI_LDC1(%[ftmp6], %[pixels], 0x00) |
| PTR_SUBU "%[pixels], %[pixels], %[line_size] \n\t" |
| MMI_LDC1(%[ftmp1], %[block], 0x00) |
| MMI_LDC1(%[ftmp2], %[block], 0x08) |
| MMI_LDC1(%[ftmp3], %[block], 0x10) |
| MMI_LDC1(%[ftmp4], %[block], 0x18) |
| PTR_ADDIU "%[block], %[block], 0x20 \n\t" |
| "punpckhbh %[ftmp7], %[ftmp5], %[ftmp0] \n\t" |
| "punpcklbh %[ftmp5], %[ftmp5], %[ftmp0] \n\t" |
| "punpckhbh %[ftmp8], %[ftmp6], %[ftmp0] \n\t" |
| "punpcklbh %[ftmp6], %[ftmp6], %[ftmp0] \n\t" |
| "paddh %[ftmp1], %[ftmp1], %[ftmp5] \n\t" |
| "paddh %[ftmp2], %[ftmp2], %[ftmp7] \n\t" |
| "paddh %[ftmp3], %[ftmp3], %[ftmp6] \n\t" |
| "paddh %[ftmp4], %[ftmp4], %[ftmp8] \n\t" |
| "packushb %[ftmp1], %[ftmp1], %[ftmp2] \n\t" |
| "packushb %[ftmp3], %[ftmp3], %[ftmp4] \n\t" |
| MMI_SDC1(%[ftmp1], %[pixels], 0x00) |
| PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t" |
| MMI_SDC1(%[ftmp3], %[pixels], 0x00) |
| "addi %[tmp0], %[tmp0], -0x01 \n\t" |
| PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t" |
| "bnez %[tmp0], 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]), |
| [ftmp6]"=&f"(ftmp[6]), [ftmp7]"=&f"(ftmp[7]), |
| [ftmp8]"=&f"(ftmp[8]), [tmp0]"=&r"(tmp[0]), |
| [pixels]"+&r"(pixels), [block]"+&r"(block) |
| : [line_size]"r"((mips_reg)line_size) |
| : "memory" |
| ); |
| } |
