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1 | /* |
2 | * Copyright (c) 2010 Mans Rullgard <mans@mansr.com> | |
3 | * | |
4 | * This file is part of FFmpeg. | |
5 | * | |
6 | * FFmpeg is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU Lesser General Public | |
8 | * License as published by the Free Software Foundation; either | |
9 | * version 2.1 of the License, or (at your option) any later version. | |
10 | * | |
11 | * FFmpeg is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * Lesser General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU Lesser General Public | |
17 | * License along with FFmpeg; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #ifndef AVCODEC_ARM_AAC_H | |
22 | #define AVCODEC_ARM_AAC_H | |
23 | ||
24 | #include "config.h" | |
25 | ||
26 | #if HAVE_NEON_INLINE | |
27 | ||
28 | #define VMUL2 VMUL2 | |
29 | static inline float *VMUL2(float *dst, const float *v, unsigned idx, | |
30 | const float *scale) | |
31 | { | |
32 | unsigned v0, v1; | |
33 | __asm__ ("ubfx %0, %6, #0, #4 \n\t" | |
34 | "ubfx %1, %6, #4, #4 \n\t" | |
35 | "ldr %0, [%5, %0, lsl #2] \n\t" | |
36 | "ldr %1, [%5, %1, lsl #2] \n\t" | |
37 | "vld1.32 {d1[]}, [%7,:32] \n\t" | |
38 | "vmov d0, %0, %1 \n\t" | |
39 | "vmul.f32 d0, d0, d1 \n\t" | |
40 | "vst1.32 {d0}, [%2,:64]! \n\t" | |
41 | : "=&r"(v0), "=&r"(v1), "+r"(dst), "=m"(dst[0]), "=m"(dst[1]) | |
42 | : "r"(v), "r"(idx), "r"(scale) | |
43 | : "d0", "d1"); | |
44 | return dst; | |
45 | } | |
46 | ||
47 | #define VMUL4 VMUL4 | |
48 | static inline float *VMUL4(float *dst, const float *v, unsigned idx, | |
49 | const float *scale) | |
50 | { | |
51 | unsigned v0, v1, v2, v3; | |
52 | __asm__ ("ubfx %0, %10, #0, #2 \n\t" | |
53 | "ubfx %1, %10, #2, #2 \n\t" | |
54 | "ldr %0, [%9, %0, lsl #2] \n\t" | |
55 | "ubfx %2, %10, #4, #2 \n\t" | |
56 | "ldr %1, [%9, %1, lsl #2] \n\t" | |
57 | "ubfx %3, %10, #6, #2 \n\t" | |
58 | "ldr %2, [%9, %2, lsl #2] \n\t" | |
59 | "vmov d0, %0, %1 \n\t" | |
60 | "ldr %3, [%9, %3, lsl #2] \n\t" | |
61 | "vld1.32 {d2[],d3[]},[%11,:32] \n\t" | |
62 | "vmov d1, %2, %3 \n\t" | |
63 | "vmul.f32 q0, q0, q1 \n\t" | |
64 | "vst1.32 {q0}, [%4,:128]! \n\t" | |
65 | : "=&r"(v0), "=&r"(v1), "=&r"(v2), "=&r"(v3), "+r"(dst), | |
66 | "=m"(dst[0]), "=m"(dst[1]), "=m"(dst[2]), "=m"(dst[3]) | |
67 | : "r"(v), "r"(idx), "r"(scale) | |
68 | : "d0", "d1", "d2", "d3"); | |
69 | return dst; | |
70 | } | |
71 | ||
72 | #define VMUL2S VMUL2S | |
73 | static inline float *VMUL2S(float *dst, const float *v, unsigned idx, | |
74 | unsigned sign, const float *scale) | |
75 | { | |
76 | unsigned v0, v1, v2, v3; | |
77 | __asm__ ("ubfx %0, %8, #0, #4 \n\t" | |
78 | "ubfx %1, %8, #4, #4 \n\t" | |
79 | "ldr %0, [%7, %0, lsl #2] \n\t" | |
80 | "lsl %2, %10, #30 \n\t" | |
81 | "ldr %1, [%7, %1, lsl #2] \n\t" | |
82 | "lsl %3, %10, #31 \n\t" | |
83 | "vmov d0, %0, %1 \n\t" | |
84 | "bic %2, %2, #1<<30 \n\t" | |
85 | "vld1.32 {d1[]}, [%9,:32] \n\t" | |
86 | "vmov d2, %2, %3 \n\t" | |
87 | "veor d0, d0, d2 \n\t" | |
88 | "vmul.f32 d0, d0, d1 \n\t" | |
89 | "vst1.32 {d0}, [%4,:64]! \n\t" | |
90 | : "=&r"(v0), "=&r"(v1), "=&r"(v2), "=&r"(v3), "+r"(dst), | |
91 | "=m"(dst[0]), "=m"(dst[1]) | |
92 | : "r"(v), "r"(idx), "r"(scale), "r"(sign) | |
93 | : "d0", "d1", "d2"); | |
94 | return dst; | |
95 | } | |
96 | ||
97 | #define VMUL4S VMUL4S | |
98 | static inline float *VMUL4S(float *dst, const float *v, unsigned idx, | |
99 | unsigned sign, const float *scale) | |
100 | { | |
101 | unsigned v0, v1, v2, v3, nz; | |
102 | __asm__ ("vld1.32 {d2[],d3[]},[%13,:32] \n\t" | |
103 | "ubfx %0, %12, #0, #2 \n\t" | |
104 | "ubfx %1, %12, #2, #2 \n\t" | |
105 | "ldr %0, [%11,%0, lsl #2] \n\t" | |
106 | "ubfx %2, %12, #4, #2 \n\t" | |
107 | "ldr %1, [%11,%1, lsl #2] \n\t" | |
108 | "ubfx %3, %12, #6, #2 \n\t" | |
109 | "ldr %2, [%11,%2, lsl #2] \n\t" | |
110 | "vmov d0, %0, %1 \n\t" | |
111 | "ldr %3, [%11,%3, lsl #2] \n\t" | |
112 | "lsr %6, %12, #12 \n\t" | |
113 | "rbit %6, %6 \n\t" | |
114 | "vmov d1, %2, %3 \n\t" | |
115 | "lsls %6, %6, #1 \n\t" | |
116 | "and %0, %5, #1<<31 \n\t" | |
117 | "it cs \n\t" | |
118 | "lslcs %5, %5, #1 \n\t" | |
119 | "lsls %6, %6, #1 \n\t" | |
120 | "and %1, %5, #1<<31 \n\t" | |
121 | "it cs \n\t" | |
122 | "lslcs %5, %5, #1 \n\t" | |
123 | "lsls %6, %6, #1 \n\t" | |
124 | "and %2, %5, #1<<31 \n\t" | |
125 | "it cs \n\t" | |
126 | "lslcs %5, %5, #1 \n\t" | |
127 | "vmov d4, %0, %1 \n\t" | |
128 | "and %3, %5, #1<<31 \n\t" | |
129 | "vmov d5, %2, %3 \n\t" | |
130 | "veor q0, q0, q2 \n\t" | |
131 | "vmul.f32 q0, q0, q1 \n\t" | |
132 | "vst1.32 {q0}, [%4,:128]! \n\t" | |
133 | : "=&r"(v0), "=&r"(v1), "=&r"(v2), "=&r"(v3), "+r"(dst), | |
134 | "+r"(sign), "=r"(nz), | |
135 | "=m"(dst[0]), "=m"(dst[1]), "=m"(dst[2]), "=m"(dst[3]) | |
136 | : "r"(v), "r"(idx), "r"(scale) | |
137 | : "cc", "d0", "d1", "d2", "d3", "d4", "d5"); | |
138 | return dst; | |
139 | } | |
140 | ||
141 | #endif /* HAVE_NEON_INLINE */ | |
142 | ||
143 | #endif /* AVCODEC_ARM_AAC_H */ |