1 /*
2 * SIMD-optimized halfpel functions are compiled twice for rnd/no_rnd
3 * Copyright (c) 2000, 2001 Fabrice Bellard
4 * Copyright (c) 2003-2004 Michael Niedermayer <michaelni@gmx.at>
5 *
6 * MMX optimization by Nick Kurshev <nickols_k@mail.ru>
7 * mostly rewritten by Michael Niedermayer <michaelni@gmx.at>
8 * and improved by Zdenek Kabelac <kabi@users.sf.net>
9 *
10 * This file is part of FFmpeg.
11 *
12 * FFmpeg is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU Lesser General Public
14 * License as published by the Free Software Foundation; either
15 * version 2.1 of the License, or (at your option) any later version.
16 *
17 * FFmpeg is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * Lesser General Public License for more details.
21 *
22 * You should have received a copy of the GNU Lesser General Public
23 * License along with FFmpeg; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 */
26
27 #include <stddef.h>
28 #include <stdint.h>
29
30 // put_pixels
DEF(put,pixels8_x2)31 static void DEF(put, pixels8_x2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
32 {
33 MOVQ_BFE(mm6);
34 __asm__ volatile(
35 "lea (%3, %3), %%"REG_a" \n\t"
36 ".p2align 3 \n\t"
37 "1: \n\t"
38 "movq (%1), %%mm0 \n\t"
39 "movq 1(%1), %%mm1 \n\t"
40 "movq (%1, %3), %%mm2 \n\t"
41 "movq 1(%1, %3), %%mm3 \n\t"
42 PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
43 "movq %%mm4, (%2) \n\t"
44 "movq %%mm5, (%2, %3) \n\t"
45 "add %%"REG_a", %1 \n\t"
46 "add %%"REG_a", %2 \n\t"
47 "movq (%1), %%mm0 \n\t"
48 "movq 1(%1), %%mm1 \n\t"
49 "movq (%1, %3), %%mm2 \n\t"
50 "movq 1(%1, %3), %%mm3 \n\t"
51 PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
52 "movq %%mm4, (%2) \n\t"
53 "movq %%mm5, (%2, %3) \n\t"
54 "add %%"REG_a", %1 \n\t"
55 "add %%"REG_a", %2 \n\t"
56 "subl $4, %0 \n\t"
57 "jnz 1b \n\t"
58 :"+g"(h), "+S"(pixels), "+D"(block)
59 :"r"((x86_reg)line_size)
60 :REG_a, "memory");
61 }
62
DEF(put,pixels16_x2)63 static void DEF(put, pixels16_x2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
64 {
65 MOVQ_BFE(mm6);
66 __asm__ volatile(
67 "lea (%3, %3), %%"REG_a" \n\t"
68 ".p2align 3 \n\t"
69 "1: \n\t"
70 "movq (%1), %%mm0 \n\t"
71 "movq 1(%1), %%mm1 \n\t"
72 "movq (%1, %3), %%mm2 \n\t"
73 "movq 1(%1, %3), %%mm3 \n\t"
74 PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
75 "movq %%mm4, (%2) \n\t"
76 "movq %%mm5, (%2, %3) \n\t"
77 "movq 8(%1), %%mm0 \n\t"
78 "movq 9(%1), %%mm1 \n\t"
79 "movq 8(%1, %3), %%mm2 \n\t"
80 "movq 9(%1, %3), %%mm3 \n\t"
81 PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
82 "movq %%mm4, 8(%2) \n\t"
83 "movq %%mm5, 8(%2, %3) \n\t"
84 "add %%"REG_a", %1 \n\t"
85 "add %%"REG_a", %2 \n\t"
86 "movq (%1), %%mm0 \n\t"
87 "movq 1(%1), %%mm1 \n\t"
88 "movq (%1, %3), %%mm2 \n\t"
89 "movq 1(%1, %3), %%mm3 \n\t"
90 PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
91 "movq %%mm4, (%2) \n\t"
92 "movq %%mm5, (%2, %3) \n\t"
93 "movq 8(%1), %%mm0 \n\t"
94 "movq 9(%1), %%mm1 \n\t"
95 "movq 8(%1, %3), %%mm2 \n\t"
96 "movq 9(%1, %3), %%mm3 \n\t"
97 PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
98 "movq %%mm4, 8(%2) \n\t"
99 "movq %%mm5, 8(%2, %3) \n\t"
100 "add %%"REG_a", %1 \n\t"
101 "add %%"REG_a", %2 \n\t"
102 "subl $4, %0 \n\t"
103 "jnz 1b \n\t"
104 :"+g"(h), "+S"(pixels), "+D"(block)
105 :"r"((x86_reg)line_size)
106 :REG_a, "memory");
107 }
108
DEF(put,pixels8_y2)109 static void DEF(put, pixels8_y2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
110 {
111 MOVQ_BFE(mm6);
112 __asm__ volatile(
113 "lea (%3, %3), %%"REG_a" \n\t"
114 "movq (%1), %%mm0 \n\t"
115 ".p2align 3 \n\t"
116 "1: \n\t"
117 "movq (%1, %3), %%mm1 \n\t"
118 "movq (%1, %%"REG_a"),%%mm2 \n\t"
119 PAVGBP(%%mm1, %%mm0, %%mm4, %%mm2, %%mm1, %%mm5)
120 "movq %%mm4, (%2) \n\t"
121 "movq %%mm5, (%2, %3) \n\t"
122 "add %%"REG_a", %1 \n\t"
123 "add %%"REG_a", %2 \n\t"
124 "movq (%1, %3), %%mm1 \n\t"
125 "movq (%1, %%"REG_a"),%%mm0 \n\t"
126 PAVGBP(%%mm1, %%mm2, %%mm4, %%mm0, %%mm1, %%mm5)
127 "movq %%mm4, (%2) \n\t"
128 "movq %%mm5, (%2, %3) \n\t"
129 "add %%"REG_a", %1 \n\t"
130 "add %%"REG_a", %2 \n\t"
131 "subl $4, %0 \n\t"
132 "jnz 1b \n\t"
133 :"+g"(h), "+S"(pixels), "+D"(block)
134 :"r"((x86_reg)line_size)
135 :REG_a, "memory");
136 }
137
DEF(avg,pixels16_x2)138 static void DEF(avg, pixels16_x2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
139 {
140 MOVQ_BFE(mm6);
141 JUMPALIGN();
142 do {
143 __asm__ volatile(
144 "movq %1, %%mm0 \n\t"
145 "movq 1%1, %%mm1 \n\t"
146 "movq %0, %%mm3 \n\t"
147 PAVGB(%%mm0, %%mm1, %%mm2, %%mm6)
148 PAVGB_MMX(%%mm3, %%mm2, %%mm0, %%mm6)
149 "movq %%mm0, %0 \n\t"
150 "movq 8%1, %%mm0 \n\t"
151 "movq 9%1, %%mm1 \n\t"
152 "movq 8%0, %%mm3 \n\t"
153 PAVGB(%%mm0, %%mm1, %%mm2, %%mm6)
154 PAVGB_MMX(%%mm3, %%mm2, %%mm0, %%mm6)
155 "movq %%mm0, 8%0 \n\t"
156 :"+m"(*block)
157 :"m"(*pixels)
158 :"memory");
159 pixels += line_size;
160 block += line_size;
161 } while (--h);
162 }
163
DEF(avg,pixels8_y2)164 static void DEF(avg, pixels8_y2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
165 {
166 MOVQ_BFE(mm6);
167 __asm__ volatile(
168 "lea (%3, %3), %%"REG_a" \n\t"
169 "movq (%1), %%mm0 \n\t"
170 ".p2align 3 \n\t"
171 "1: \n\t"
172 "movq (%1, %3), %%mm1 \n\t"
173 "movq (%1, %%"REG_a"), %%mm2 \n\t"
174 PAVGBP(%%mm1, %%mm0, %%mm4, %%mm2, %%mm1, %%mm5)
175 "movq (%2), %%mm3 \n\t"
176 PAVGB_MMX(%%mm3, %%mm4, %%mm0, %%mm6)
177 "movq (%2, %3), %%mm3 \n\t"
178 PAVGB_MMX(%%mm3, %%mm5, %%mm1, %%mm6)
179 "movq %%mm0, (%2) \n\t"
180 "movq %%mm1, (%2, %3) \n\t"
181 "add %%"REG_a", %1 \n\t"
182 "add %%"REG_a", %2 \n\t"
183
184 "movq (%1, %3), %%mm1 \n\t"
185 "movq (%1, %%"REG_a"), %%mm0 \n\t"
186 PAVGBP(%%mm1, %%mm2, %%mm4, %%mm0, %%mm1, %%mm5)
187 "movq (%2), %%mm3 \n\t"
188 PAVGB_MMX(%%mm3, %%mm4, %%mm2, %%mm6)
189 "movq (%2, %3), %%mm3 \n\t"
190 PAVGB_MMX(%%mm3, %%mm5, %%mm1, %%mm6)
191 "movq %%mm2, (%2) \n\t"
192 "movq %%mm1, (%2, %3) \n\t"
193 "add %%"REG_a", %1 \n\t"
194 "add %%"REG_a", %2 \n\t"
195
196 "subl $4, %0 \n\t"
197 "jnz 1b \n\t"
198 :"+g"(h), "+S"(pixels), "+D"(block)
199 :"r"((x86_reg)line_size)
200 :REG_a, "memory");
201 }
202