FFmpeg
pixblockdsp_mmi.c
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1 /*
2  * Loongson SIMD optimized pixblockdsp
3  *
4  * Copyright (c) 2015 Loongson Technology Corporation Limited
5  * Copyright (c) 2015 Zhou Xiaoyong <zhouxiaoyong@loongson.cn>
6  *
7  * This file is part of FFmpeg.
8  *
9  * FFmpeg is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * FFmpeg is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with FFmpeg; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22  */
23 
24 #include "pixblockdsp_mips.h"
25 #include "libavutil/mips/asmdefs.h"
26 #include "libavutil/mips/mmiutils.h"
27 
28 void ff_get_pixels_8_mmi(int16_t *av_restrict block, const uint8_t *pixels,
29  ptrdiff_t stride)
30 {
31  double ftmp[7];
32  DECLARE_VAR_ALL64;
33  DECLARE_VAR_ADDRT;
34 
35  __asm__ volatile (
36  "xor %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
37 
38  MMI_LDC1(%[ftmp1], %[pixels], 0x00)
39  MMI_LDXC1(%[ftmp2], %[pixels], %[stride], 0x00)
40  "punpcklbh %[ftmp3], %[ftmp1], %[ftmp0] \n\t"
41  "punpckhbh %[ftmp4], %[ftmp1], %[ftmp0] \n\t"
42  "punpcklbh %[ftmp5], %[ftmp2], %[ftmp0] \n\t"
43  "punpckhbh %[ftmp6], %[ftmp2], %[ftmp0] \n\t"
44  MMI_SDC1(%[ftmp3], %[block], 0x00)
45  MMI_SDC1(%[ftmp4], %[block], 0x08)
46  MMI_SDC1(%[ftmp5], %[block], 0x10)
47  MMI_SDC1(%[ftmp6], %[block], 0x18)
48  PTR_ADDU "%[pixels], %[pixels], %[stride_x2] \n\t"
49 
50  MMI_LDC1(%[ftmp1], %[pixels], 0x00)
51  MMI_LDXC1(%[ftmp2], %[pixels], %[stride], 0x00)
52  "punpcklbh %[ftmp3], %[ftmp1], %[ftmp0] \n\t"
53  "punpckhbh %[ftmp4], %[ftmp1], %[ftmp0] \n\t"
54  "punpcklbh %[ftmp5], %[ftmp2], %[ftmp0] \n\t"
55  "punpckhbh %[ftmp6], %[ftmp2], %[ftmp0] \n\t"
56  MMI_SDC1(%[ftmp3], %[block], 0x20)
57  MMI_SDC1(%[ftmp4], %[block], 0x28)
58  MMI_SDC1(%[ftmp5], %[block], 0x30)
59  MMI_SDC1(%[ftmp6], %[block], 0x38)
60  PTR_ADDU "%[pixels], %[pixels], %[stride_x2] \n\t"
61 
62  MMI_LDC1(%[ftmp1], %[pixels], 0x00)
63  MMI_LDXC1(%[ftmp2], %[pixels], %[stride], 0x00)
64  "punpcklbh %[ftmp3], %[ftmp1], %[ftmp0] \n\t"
65  "punpckhbh %[ftmp4], %[ftmp1], %[ftmp0] \n\t"
66  "punpcklbh %[ftmp5], %[ftmp2], %[ftmp0] \n\t"
67  "punpckhbh %[ftmp6], %[ftmp2], %[ftmp0] \n\t"
68  MMI_SDC1(%[ftmp3], %[block], 0x40)
69  MMI_SDC1(%[ftmp4], %[block], 0x48)
70  MMI_SDC1(%[ftmp5], %[block], 0x50)
71  MMI_SDC1(%[ftmp6], %[block], 0x58)
72  PTR_ADDU "%[pixels], %[pixels], %[stride_x2] \n\t"
73 
74  MMI_LDC1(%[ftmp1], %[pixels], 0x00)
75  MMI_LDXC1(%[ftmp2], %[pixels], %[stride], 0x00)
76  "punpcklbh %[ftmp3], %[ftmp1], %[ftmp0] \n\t"
77  "punpckhbh %[ftmp4], %[ftmp1], %[ftmp0] \n\t"
78  "punpcklbh %[ftmp5], %[ftmp2], %[ftmp0] \n\t"
79  "punpckhbh %[ftmp6], %[ftmp2], %[ftmp0] \n\t"
80  MMI_SDC1(%[ftmp3], %[block], 0x60)
81  MMI_SDC1(%[ftmp4], %[block], 0x68)
82  MMI_SDC1(%[ftmp5], %[block], 0x70)
83  MMI_SDC1(%[ftmp6], %[block], 0x78)
84  : [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]),
85  [ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]),
86  [ftmp4]"=&f"(ftmp[4]), [ftmp5]"=&f"(ftmp[5]),
87  [ftmp6]"=&f"(ftmp[6]),
88  RESTRICT_ASM_ALL64
89  RESTRICT_ASM_ADDRT
90  [pixels]"+&r"(pixels)
91  : [block]"r"((mips_reg)block), [stride]"r"((mips_reg)stride),
92  [stride_x2]"r"((mips_reg)(stride<<1))
93  : "memory"
94  );
95 }
96 
97 void ff_diff_pixels_mmi(int16_t *av_restrict block, const uint8_t *src1,
98  const uint8_t *src2, ptrdiff_t stride)
99 {
100  double ftmp[5];
101  mips_reg tmp[1];
102  DECLARE_VAR_ALL64;
103 
104  __asm__ volatile (
105  "li %[tmp0], 0x08 \n\t"
106  "xor %[ftmp4], %[ftmp4], %[ftmp4] \n\t"
107  "1: \n\t"
108  MMI_LDC1(%[ftmp0], %[src1], 0x00)
109  "or %[ftmp1], %[ftmp0], %[ftmp0] \n\t"
110  MMI_LDC1(%[ftmp2], %[src2], 0x00)
111  "or %[ftmp3], %[ftmp2], %[ftmp2] \n\t"
112  "punpcklbh %[ftmp0], %[ftmp0], %[ftmp4] \n\t"
113  "punpckhbh %[ftmp1], %[ftmp1], %[ftmp4] \n\t"
114  "punpcklbh %[ftmp2], %[ftmp2], %[ftmp4] \n\t"
115  "punpckhbh %[ftmp3], %[ftmp3], %[ftmp4] \n\t"
116  "psubh %[ftmp0], %[ftmp0], %[ftmp2] \n\t"
117  "psubh %[ftmp1], %[ftmp1], %[ftmp3] \n\t"
118  MMI_SDC1(%[ftmp0], %[block], 0x00)
119  MMI_SDC1(%[ftmp1], %[block], 0x08)
120  PTR_ADDI "%[tmp0], %[tmp0], -0x01 \n\t"
121  PTR_ADDIU "%[block], %[block], 0x10 \n\t"
122  PTR_ADDU "%[src1], %[src1], %[stride] \n\t"
123  PTR_ADDU "%[src2], %[src2], %[stride] \n\t"
124  "bgtz %[tmp0], 1b \n\t"
125  : [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]),
126  [ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]),
127  [ftmp4]"=&f"(ftmp[4]),
128  [tmp0]"=&r"(tmp[0]),
129  RESTRICT_ASM_ALL64
130  [block]"+&r"(block), [src1]"+&r"(src1),
131  [src2]"+&r"(src2)
132  : [stride]"r"((mips_reg)stride)
133  : "memory"
134  );
135 }
stride
int stride
Definition: mace.c:144
pixblockdsp_mips.h
tmp
static uint8_t tmp[11]
Definition: aes_ctr.c:26
pixels
int pixels
Definition: avisynth_c.h:390
ff_get_pixels_8_mmi
void ff_get_pixels_8_mmi(int16_t *av_restrict block, const uint8_t *pixels, ptrdiff_t stride)
Definition: pixblockdsp_mmi.c:28
asmdefs.h
mips_reg
#define mips_reg
Definition: asmdefs.h:44
ff_diff_pixels_mmi
void ff_diff_pixels_mmi(int16_t *av_restrict block, const uint8_t *src1, const uint8_t *src2, ptrdiff_t stride)
Definition: pixblockdsp_mmi.c:97
PTR_ADDI
#define PTR_ADDI
Definition: asmdefs.h:49
mmiutils.h
src1
#define src1
Definition: h264pred.c:139
uint8_t
uint8_t
Definition: audio_convert.c:194
PTR_ADDU
#define PTR_ADDU
Definition: asmdefs.h:47
PTR_ADDIU
#define PTR_ADDIU
Definition: asmdefs.h:48
block
The exact code depends on how similar the blocks are and how related they are to the block
Definition: filter_design.txt:207
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