diff options
Diffstat (limited to 'libavcodec/mips/idctdsp_mmi.c')
-rw-r--r-- | libavcodec/mips/idctdsp_mmi.c | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/libavcodec/mips/idctdsp_mmi.c b/libavcodec/mips/idctdsp_mmi.c new file mode 100644 index 0000000..b797965 --- /dev/null +++ b/libavcodec/mips/idctdsp_mmi.c @@ -0,0 +1,224 @@ +/* + * 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]; + mips_reg addr[1]; + DECLARE_VAR_ALL64; + DECLARE_VAR_ADDRT; + + __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) + PTR_ADDU "%[addr0], %[pixels], %[line_size] \n\t" + "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) + MMI_SDC1(%[ftmp2], %[addr0], 0x00) + MMI_SDXC1(%[ftmp4], %[addr0], %[line_size], 0x00) + MMI_SDXC1(%[ftmp6], %[pixels], %[line_sizex3], 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]), + RESTRICT_ASM_ALL64 + RESTRICT_ASM_ADDRT + [addr0]"=&r"(addr[0]), + [pixels]"+&r"(pixels) + : [line_size]"r"((mips_reg)line_size), + [line_sizex3]"r"((mips_reg)(line_size*3)), + [block]"r"(block) + : "memory" + ); + + pixels += line_size*4; + block += 32; + + __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) + PTR_ADDU "%[addr0], %[pixels], %[line_size] \n\t" + "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) + MMI_SDC1(%[ftmp2], %[addr0], 0x00) + MMI_SDXC1(%[ftmp4], %[addr0], %[line_size], 0x00) + MMI_SDXC1(%[ftmp6], %[pixels], %[line_sizex3], 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]), + RESTRICT_ASM_ALL64 + RESTRICT_ASM_ADDRT + [addr0]"=&r"(addr[0]), + [pixels]"+&r"(pixels) + : [line_size]"r"((mips_reg)line_size), + [line_sizex3]"r"((mips_reg)(line_size*3)), + [block]"r"(block) + : "memory" + ); +} + +void ff_put_signed_pixels_clamped_mmi(const int16_t *block, + uint8_t *av_restrict pixels, ptrdiff_t line_size) +{ + int64_t line_skip = line_size; + int64_t line_skip3 = 0; + double ftmp[5]; + mips_reg addr[1]; + DECLARE_VAR_ALL64; + DECLARE_VAR_ADDRT; + + __asm__ volatile ( + PTR_ADDU "%[line_skip3], %[line_skip], %[line_skip] \n\t" + 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) + MMI_SDXC1(%[ftmp2], %[pixels], %[line_skip], 0x00) + MMI_SDXC1(%[ftmp3], %[pixels], %[line_skip3], 0x00) + PTR_ADDU "%[line_skip3], %[line_skip3], %[line_skip] \n\t" + MMI_SDXC1(%[ftmp4], %[pixels], %[line_skip3], 0x00) + PTR_ADDU "%[addr0], %[line_skip3], %[line_skip] \n\t" + PTR_ADDU "%[pixels], %[pixels], %[addr0] \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) + MMI_SDXC1(%[ftmp2], %[pixels], %[line_skip], 0x00) + PTR_ADDU "%[addr0], %[line_skip], %[line_skip] \n\t" + MMI_SDXC1(%[ftmp3], %[pixels], %[addr0], 0x00) + MMI_SDXC1(%[ftmp4], %[pixels], %[line_skip3], 0x00) + : [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]), + [ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]), + [ftmp4]"=&f"(ftmp[4]), + RESTRICT_ASM_ALL64 + RESTRICT_ASM_ADDRT + [addr0]"=&r"(addr[0]), + [pixels]"+&r"(pixels), [line_skip3]"+&r"(line_skip3) + : [block]"r"(block), + [line_skip]"r"((mips_reg)line_skip), + [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[8]; + uint64_t tmp[1]; + mips_reg addr[1]; + DECLARE_VAR_ALL64; + DECLARE_VAR_ADDRT; + + __asm__ volatile ( + "li %[tmp0], 0x04 \n\t" + "xor %[ftmp0], %[ftmp0], %[ftmp0] \n\t" + "1: \n\t" + MMI_LDC1(%[ftmp1], %[block], 0x00) + MMI_LDC1(%[ftmp2], %[block], 0x08) + MMI_LDC1(%[ftmp3], %[block], 0x10) + MMI_LDC1(%[ftmp4], %[block], 0x18) + MMI_LDC1(%[ftmp5], %[pixels], 0x00) + MMI_LDXC1(%[ftmp6], %[pixels], %[line_size], 0x00) + "mov.d %[ftmp7], %[ftmp5] \n\t" + "punpcklbh %[ftmp5], %[ftmp5], %[ftmp0] \n\t" + "punpckhbh %[ftmp7], %[ftmp7], %[ftmp0] \n\t" + "paddh %[ftmp1], %[ftmp1], %[ftmp5] \n\t" + "paddh %[ftmp2], %[ftmp2], %[ftmp7] \n\t" + "mov.d %[ftmp7], %[ftmp6] \n\t" + "punpcklbh %[ftmp6], %[ftmp6], %[ftmp0] \n\t" + "punpckhbh %[ftmp7], %[ftmp7], %[ftmp0] \n\t" + "paddh %[ftmp3], %[ftmp3], %[ftmp6] \n\t" + "paddh %[ftmp4], %[ftmp4], %[ftmp7] \n\t" + "packushb %[ftmp1], %[ftmp1], %[ftmp2] \n\t" + "packushb %[ftmp3], %[ftmp3], %[ftmp4] \n\t" + MMI_SDC1(%[ftmp1], %[pixels], 0x00) + MMI_SDXC1(%[ftmp3], %[pixels], %[line_size], 0x00) + "addi %[tmp0], %[tmp0], -0x01 \n\t" + PTR_ADDIU "%[block], %[block], 0x20 \n\t" + PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t" + PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t" + "bnez %[tmp0], 1b" + : [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]), + [tmp0]"=&r"(tmp[0]), + RESTRICT_ASM_ALL64 + RESTRICT_ASM_ADDRT + [addr0]"=&r"(addr[0]), + [pixels]"+&r"(pixels), [block]"+&r"(block) + : [line_size]"r"((mips_reg)line_size) + : "memory" + ); +} |