| /* |
| * 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" |
| |
| void ff_put_pixels_clamped_mmi(const int16_t *block, |
| uint8_t *av_restrict pixels, ptrdiff_t line_size) |
| { |
| const int16_t *p; |
| uint8_t *pix; |
| |
| p = block; |
| pix = pixels; |
| |
| __asm__ volatile ( |
| "ldc1 $f0, 0+%3 \r\n" |
| "ldc1 $f2, 8+%3 \r\n" |
| "ldc1 $f4, 16+%3 \r\n" |
| "ldc1 $f6, 24+%3 \r\n" |
| "ldc1 $f8, 32+%3 \r\n" |
| "ldc1 $f10, 40+%3 \r\n" |
| "ldc1 $f12, 48+%3 \r\n" |
| "ldc1 $f14, 56+%3 \r\n" |
| "dadd $10, %0, %1 \r\n" |
| "packushb $f0, $f0, $f2 \r\n" |
| "packushb $f4, $f4, $f6 \r\n" |
| "packushb $f8, $f8, $f10 \r\n" |
| "packushb $f12, $f12, $f14 \r\n" |
| "sdc1 $f0, 0(%0) \r\n" |
| "sdc1 $f4, 0($10) \r\n" |
| "gssdxc1 $f8, 0($10, %1) \r\n" |
| "gssdxc1 $f12, 0(%0, %2) \r\n" |
| ::"r"(pix),"r"((int)line_size), |
| "r"((int)line_size*3),"m"(*p) |
| : "$10","memory" |
| ); |
| |
| pix += line_size*4; |
| p += 32; |
| |
| __asm__ volatile ( |
| "ldc1 $f0, 0+%3 \r\n" |
| "ldc1 $f2, 8+%3 \r\n" |
| "ldc1 $f4, 16+%3 \r\n" |
| "ldc1 $f6, 24+%3 \r\n" |
| "ldc1 $f8, 32+%3 \r\n" |
| "ldc1 $f10, 40+%3 \r\n" |
| "ldc1 $f12, 48+%3 \r\n" |
| "ldc1 $f14, 56+%3 \r\n" |
| "dadd $10, %0, %1 \r\n" |
| "packushb $f0, $f0, $f2 \r\n" |
| "packushb $f4, $f4, $f6 \r\n" |
| "packushb $f8, $f8, $f10 \r\n" |
| "packushb $f12, $f12, $f14 \r\n" |
| "sdc1 $f0, 0(%0) \r\n" |
| "sdc1 $f4, 0($10) \r\n" |
| "gssdxc1 $f8, 0($10, %1) \r\n" |
| "gssdxc1 $f12, 0(%0, %2) \r\n" |
| ::"r"(pix),"r"((int)line_size), |
| "r"((int)line_size*3),"m"(*p) |
| : "$10","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; |
| |
| __asm__ volatile ( |
| "dmtc1 %4, $f0 \n\t" |
| "daddu %1, %3, %3 \n\t" |
| "ldc1 $f2, 0(%2) \n\t" |
| "ldc1 $f10, 8(%2) \n\t" |
| "packsshb $f2, $f2, $f10 \n\t" |
| "ldc1 $f4, 16(%2) \n\t" |
| "ldc1 $f10, 24(%2) \n\t" |
| "packsshb $f4, $f4, $f10 \n\t" |
| "ldc1 $f6, 32(%2) \n\t" |
| "ldc1 $f10, 40(%2) \n\t" |
| "packsshb $f6, $f6, $f10 \n\t" |
| "ldc1 $f8, 48(%2) \n\t" |
| "ldc1 $f10, 56(%2) \n\t" |
| "packsshb $f8, $f8, $f10 \n\t" |
| "paddb $f2, $f2, $f0 \n\t" |
| "paddb $f4, $f4, $f0 \n\t" |
| "paddb $f6, $f6, $f0 \n\t" |
| "paddb $f8, $f8, $f0 \n\t" |
| "sdc1 $f2, 0(%0) \n\t" |
| "gssdxc1 $f4, 0(%0, %3) \n\t" |
| "gssdxc1 $f6, 0(%0, %1) \n\t" |
| "daddu %1, %1, %3 \n\t" |
| "gssdxc1 $f8, 0(%0, %1) \n\t" |
| "daddu $10, %1, %3 \n\t" |
| "daddu %0, %0, $10 \n\t" |
| "ldc1 $f2, 64(%2) \n\t" |
| "ldc1 $f10, 8+64(%2) \n\t" |
| "packsshb $f2, $f2, $f10 \n\t" |
| "ldc1 $f4, 16+64(%2) \n\t" |
| "ldc1 $f10, 24+64(%2) \n\t" |
| "packsshb $f4, $f4, $f10 \n\t" |
| "ldc1 $f6, 32+64(%2) \n\t" |
| "ldc1 $f10, 40+64(%2) \n\t" |
| "packsshb $f6, $f6, $f10 \n\t" |
| "ldc1 $f8, 48+64(%2) \n\t" |
| "ldc1 $f10, 56+64(%2) \n\t" |
| "packsshb $f8, $f8, $f10 \n\t" |
| "paddb $f2, $f2, $f0 \n\t" |
| "paddb $f4, $f4, $f0 \n\t" |
| "paddb $f6, $f6, $f0 \n\t" |
| "paddb $f8, $f8, $f0 \n\t" |
| "sdc1 $f2, 0(%0) \n\t" |
| "gssdxc1 $f4, 0(%0, %3) \n\t" |
| "daddu $10, %3, %3 \n\t" |
| "gssdxc1 $f6, 0(%0, $10) \n\t" |
| "gssdxc1 $f8, 0(%0, %1) \n\t" |
| : "+&r"(pixels),"=&r"(line_skip3) |
| : "r"(block),"r"(line_skip),"r"(ff_pb_80) |
| : "$10","memory" |
| ); |
| } |
| |
| void ff_add_pixels_clamped_mmi(const int16_t *block, |
| uint8_t *av_restrict pixels, ptrdiff_t line_size) |
| { |
| const int16_t *p; |
| uint8_t *pix; |
| int i = 4; |
| |
| p = block; |
| pix = pixels; |
| |
| __asm__ volatile ( |
| "xor $f14, $f14, $f14 \r\n" |
| :: |
| ); |
| |
| do { |
| __asm__ volatile ( |
| "ldc1 $f0, 0+%2 \r\n" |
| "ldc1 $f2, 8+%2 \r\n" |
| "ldc1 $f4, 16+%2 \r\n" |
| "ldc1 $f6, 24+%2 \r\n" |
| "ldc1 $f8, %0 \r\n" |
| "ldc1 $f12, %1 \r\n" |
| "mov.d $f10, $f8 \r\n" |
| "punpcklbh $f8, $f8, $f14 \r\n" |
| "punpckhbh $f10, $f10, $f14 \r\n" |
| "paddsh $f0, $f0, $f8 \r\n" |
| "paddsh $f2, $f2, $f10 \r\n" |
| "mov.d $f10, $f12 \r\n" |
| "punpcklbh $f12, $f12, $f14 \r\n" |
| "punpckhbh $f10, $f10, $f14 \r\n" |
| "paddsh $f4, $f4, $f12 \r\n" |
| "paddsh $f6, $f6, $f10 \r\n" |
| "packushb $f0, $f0, $f2 \r\n" |
| "packushb $f4, $f4, $f6 \r\n" |
| "sdc1 $f0, %0 \r\n" |
| "sdc1 $f4, %1 \r\n" |
| : "+m"(*pix),"+m"(*(pix+line_size)) |
| : "m"(*p) |
| : "memory" |
| ); |
| |
| pix += line_size*2; |
| p += 16; |
| } while (--i); |
| } |
