/src/libvpx/vpx_ports/mem_ops_aligned.h

Source (jump to first uncovered line)
/*
 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#ifndef VPX_VPX_PORTS_MEM_OPS_ALIGNED_H_
#define VPX_VPX_PORTS_MEM_OPS_ALIGNED_H_

#include "vpx/vpx_integer.h"

/* \file
 * \brief Provides portable memory access primitives for operating on aligned
 *        data
 *
 * This file is split from mem_ops.h for easier maintenance. See mem_ops.h
 * for a more detailed description of these primitives.
 */
#ifndef INCLUDED_BY_MEM_OPS_H
#error Include mem_ops.h, not mem_ops_aligned.h directly.
#endif

/* Architectures that provide instructions for doing this byte swapping
 * could redefine these macros.
 */
#define swap_endian_16(val, raw)                                     \
  do {                                                               \
    val = (uint16_t)(((raw >> 8) & 0x00ff) | ((raw << 8) & 0xff00)); \
  } while (0)
#define swap_endian_32(val, raw)                                   \
  do {                                                             \
    val = ((raw >> 24) & 0x000000ff) | ((raw >> 8) & 0x0000ff00) | \
          ((raw << 8) & 0x00ff0000) | ((raw << 24) & 0xff000000);  \
  } while (0)
#define swap_endian_16_se(val, raw) \
  do {                              \
    swap_endian_16(val, raw);       \
    val = ((val << 16) >> 16);      \
  } while (0)
#define swap_endian_32_se(val, raw) swap_endian_32(val, raw)

#define mem_get_ne_aligned_generic(end, sz)                           \
  static VPX_INLINE unsigned MEM_VALUE_T mem_get_##end##sz##_aligned( \
      const void *vmem) {                                             \
    const uint##sz##_t *mem = (const uint##sz##_t *)vmem;             \
    return *mem;                                                      \
  }

#define mem_get_sne_aligned_generic(end, sz)                         \
  static VPX_INLINE signed MEM_VALUE_T mem_get_s##end##sz##_aligned( \
      const void *vmem) {                                            \
    const int##sz##_t *mem = (const int##sz##_t *)vmem;              \
    return *mem;                                                     \
  }

#define mem_get_se_aligned_generic(end, sz)                           \
  static VPX_INLINE unsigned MEM_VALUE_T mem_get_##end##sz##_aligned( \
      const void *vmem) {                                             \
    const uint##sz##_t *mem = (const uint##sz##_t *)vmem;             \
    unsigned MEM_VALUE_T val, raw = *mem;                             \
    swap_endian_##sz(val, raw);                                       \
    return val;                                                       \
  }

#define mem_get_sse_aligned_generic(end, sz)                         \
  static VPX_INLINE signed MEM_VALUE_T mem_get_s##end##sz##_aligned( \
      const void *vmem) {                                            \
    const int##sz##_t *mem = (const int##sz##_t *)vmem;              \
    unsigned MEM_VALUE_T val, raw = *mem;                            \
    swap_endian_##sz##_se(val, raw);                                 \
    return val;                                                      \
  }

#define mem_put_ne_aligned_generic(end, sz)                             \
  static VPX_INLINE void mem_put_##end##sz##_aligned(void *vmem,        \
                                                     MEM_VALUE_T val) { \
    uint##sz##_t *mem = (uint##sz##_t *)vmem;                           \
    *mem = (uint##sz##_t)val;                                           \
  }

#define mem_put_se_aligned_generic(end, sz)                             \
  static VPX_INLINE void mem_put_##end##sz##_aligned(void *vmem,        \
                                                     MEM_VALUE_T val) { \
    uint##sz##_t *mem = (uint##sz##_t *)vmem, raw;                      \
    swap_endian_##sz(raw, val);                                         \
    *mem = (uint##sz##_t)raw;                                           \
  }

#include "vpx_config.h"
#if CONFIG_BIG_ENDIAN
#define mem_get_be_aligned_generic(sz) mem_get_ne_aligned_generic(be, sz)
#define mem_get_sbe_aligned_generic(sz) mem_get_sne_aligned_generic(be, sz)
#define mem_get_le_aligned_generic(sz) mem_get_se_aligned_generic(le, sz)
#define mem_get_sle_aligned_generic(sz) mem_get_sse_aligned_generic(le, sz)
#define mem_put_be_aligned_generic(sz) mem_put_ne_aligned_generic(be, sz)
#define mem_put_le_aligned_generic(sz) mem_put_se_aligned_generic(le, sz)
#else
#define mem_get_be_aligned_generic(sz) mem_get_se_aligned_generic(be, sz)
#define mem_get_sbe_aligned_generic(sz) mem_get_sse_aligned_generic(be, sz)
#define mem_get_le_aligned_generic(sz) mem_get_ne_aligned_generic(le, sz)
#define mem_get_sle_aligned_generic(sz) mem_get_sne_aligned_generic(le, sz)
#define mem_put_be_aligned_generic(sz) mem_put_se_aligned_generic(be, sz)
#define mem_put_le_aligned_generic(sz) mem_put_ne_aligned_generic(le, sz)
#endif

/* clang-format off */
#undef  mem_get_be16_aligned
#define mem_get_be16_aligned mem_ops_wrap_symbol(mem_get_be16_aligned)
mem_get_be_aligned_generic(16)

#undef  mem_get_be32_aligned
#define mem_get_be32_aligned mem_ops_wrap_symbol(mem_get_be32_aligned)
mem_get_be_aligned_generic(32)

#undef  mem_get_le16_aligned
#define mem_get_le16_aligned mem_ops_wrap_symbol(mem_get_le16_aligned)
mem_get_le_aligned_generic(16)

#undef  mem_get_le32_aligned
#define mem_get_le32_aligned mem_ops_wrap_symbol(mem_get_le32_aligned)
mem_get_le_aligned_generic(32)

#undef  mem_get_sbe16_aligned
#define mem_get_sbe16_aligned mem_ops_wrap_symbol(mem_get_sbe16_aligned)
mem_get_sbe_aligned_generic(16)

#undef  mem_get_sbe32_aligned
#define mem_get_sbe32_aligned mem_ops_wrap_symbol(mem_get_sbe32_aligned)
mem_get_sbe_aligned_generic(32)

#undef  mem_get_sle16_aligned
#define mem_get_sle16_aligned mem_ops_wrap_symbol(mem_get_sle16_aligned)
mem_get_sle_aligned_generic(16)

#undef  mem_get_sle32_aligned
#define mem_get_sle32_aligned mem_ops_wrap_symbol(mem_get_sle32_aligned)
mem_get_sle_aligned_generic(32)

#undef  mem_put_be16_aligned
#define mem_put_be16_aligned mem_ops_wrap_symbol(mem_put_be16_aligned)
mem_put_be_aligned_generic(16)

#undef  mem_put_be32_aligned
#define mem_put_be32_aligned mem_ops_wrap_symbol(mem_put_be32_aligned)
mem_put_be_aligned_generic(32)

#undef  mem_put_le16_aligned
#define mem_put_le16_aligned mem_ops_wrap_symbol(mem_put_le16_aligned)
mem_put_le_aligned_generic(16)

#undef  mem_put_le32_aligned
#define mem_put_le32_aligned mem_ops_wrap_symbol(mem_put_le32_aligned)
mem_put_le_aligned_generic(32)

#undef mem_get_ne_aligned_generic
#undef mem_get_se_aligned_generic
#undef mem_get_sne_aligned_generic
#undef mem_get_sse_aligned_generic
#undef mem_put_ne_aligned_generic
#undef mem_put_se_aligned_generic
#undef swap_endian_16
#undef swap_endian_32
#undef swap_endian_16_se
#undef swap_endian_32_se
/* clang-format on */

#endif  // VPX_VPX_PORTS_MEM_OPS_ALIGNED_H_

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
3		*
4		* Use of this source code is governed by a BSD-style license
5		* that can be found in the LICENSE file in the root of the source
6		* tree. An additional intellectual property rights grant can be found
7		* in the file PATENTS. All contributing project authors may
8		* be found in the AUTHORS file in the root of the source tree.
9		*/
10
11		#ifndef VPX_VPX_PORTS_MEM_OPS_ALIGNED_H_
12		#define VPX_VPX_PORTS_MEM_OPS_ALIGNED_H_
13
14		#include "vpx/vpx_integer.h"
15
16		/* \file
17		* \brief Provides portable memory access primitives for operating on aligned
18		* data
19		*
20		* This file is split from mem_ops.h for easier maintenance. See mem_ops.h
21		* for a more detailed description of these primitives.
22		*/
23		#ifndef INCLUDED_BY_MEM_OPS_H
24		#error Include mem_ops.h, not mem_ops_aligned.h directly.
25		#endif
26
27		/* Architectures that provide instructions for doing this byte swapping
28		* could redefine these macros.
29		*/
30		#define swap_endian_16(val, raw) \
31		do { \
32		val = (uint16_t)(((raw >> 8) & 0x00ff) \| ((raw << 8) & 0xff00)); \
33		} while (0)
34		#define swap_endian_32(val, raw) \
35		do { \
36		val = ((raw >> 24) & 0x000000ff) \| ((raw >> 8) & 0x0000ff00) \| \
37		((raw << 8) & 0x00ff0000) \| ((raw << 24) & 0xff000000); \
38		} while (0)
39		#define swap_endian_16_se(val, raw) \
40		do { \
41		swap_endian_16(val, raw); \
42		val = ((val << 16) >> 16); \
43		} while (0)
44		#define swap_endian_32_se(val, raw) swap_endian_32(val, raw)
45
46		#define mem_get_ne_aligned_generic(end, sz) \
47		static VPX_INLINE unsigned MEM_VALUE_T mem_get_##end##sz##_aligned( \
48	0	const void *vmem) { \
49	0	const uint##sz##_t mem = (const uint##sz##_t )vmem; \
50	0	return *mem; \
51	0	} Unexecuted instantiation: vp9_bitstream.c:mem_get_le16_aligned_as_int Unexecuted instantiation: vp9_bitstream.c:mem_get_le32_aligned_as_int
52
53		#define mem_get_sne_aligned_generic(end, sz) \
54		static VPX_INLINE signed MEM_VALUE_T mem_get_s##end##sz##_aligned( \
55	0	const void *vmem) { \
56	0	const int##sz##_t mem = (const int##sz##_t )vmem; \
57	0	return *mem; \
58	0	} Unexecuted instantiation: vp9_bitstream.c:mem_get_sle16_aligned_as_int Unexecuted instantiation: vp9_bitstream.c:mem_get_sle32_aligned_as_int
59
60		#define mem_get_se_aligned_generic(end, sz) \
61		static VPX_INLINE unsigned MEM_VALUE_T mem_get_##end##sz##_aligned( \
62	0	const void *vmem) { \
63	0	const uint##sz##_t mem = (const uint##sz##_t )vmem; \
64	0	unsigned MEM_VALUE_T val, raw = *mem; \
65	0	swap_endian_##sz(val, raw); \
66	0	return val; \
67	0	} Unexecuted instantiation: vp9_bitstream.c:mem_get_be16_aligned_as_int Unexecuted instantiation: vp9_bitstream.c:mem_get_be32_aligned_as_int
68
69		#define mem_get_sse_aligned_generic(end, sz) \
70		static VPX_INLINE signed MEM_VALUE_T mem_get_s##end##sz##_aligned( \
71	0	const void *vmem) { \
72	0	const int##sz##_t mem = (const int##sz##_t )vmem; \
73	0	unsigned MEM_VALUE_T val, raw = *mem; \
74	0	swap_endian_##sz##_se(val, raw); \
75	0	return val; \
76	0	} Unexecuted instantiation: vp9_bitstream.c:mem_get_sbe16_aligned_as_int Unexecuted instantiation: vp9_bitstream.c:mem_get_sbe32_aligned_as_int
77
78		#define mem_put_ne_aligned_generic(end, sz) \
79		static VPX_INLINE void mem_put_##end##sz##_aligned(void *vmem, \
80	0	MEM_VALUE_T val) { \
81	0	uint##sz##_t mem = (uint##sz##_t )vmem; \
82	0	*mem = (uint##sz##_t)val; \
83	0	} Unexecuted instantiation: vp9_bitstream.c:mem_put_le16_aligned_as_int Unexecuted instantiation: vp9_bitstream.c:mem_put_le32_aligned_as_int
84
85		#define mem_put_se_aligned_generic(end, sz) \
86		static VPX_INLINE void mem_put_##end##sz##_aligned(void *vmem, \
87	0	MEM_VALUE_T val) { \
88	0	uint##sz##_t mem = (uint##sz##_t )vmem, raw; \
89	0	swap_endian_##sz(raw, val); \
90	0	*mem = (uint##sz##_t)raw; \
91	0	} Unexecuted instantiation: vp9_bitstream.c:mem_put_be16_aligned_as_int Unexecuted instantiation: vp9_bitstream.c:mem_put_be32_aligned_as_int
92
93		#include "vpx_config.h"
94		#if CONFIG_BIG_ENDIAN
95		#define mem_get_be_aligned_generic(sz) mem_get_ne_aligned_generic(be, sz)
96		#define mem_get_sbe_aligned_generic(sz) mem_get_sne_aligned_generic(be, sz)
97		#define mem_get_le_aligned_generic(sz) mem_get_se_aligned_generic(le, sz)
98		#define mem_get_sle_aligned_generic(sz) mem_get_sse_aligned_generic(le, sz)
99		#define mem_put_be_aligned_generic(sz) mem_put_ne_aligned_generic(be, sz)
100		#define mem_put_le_aligned_generic(sz) mem_put_se_aligned_generic(le, sz)
101		#else
102		#define mem_get_be_aligned_generic(sz) mem_get_se_aligned_generic(be, sz)
103		#define mem_get_sbe_aligned_generic(sz) mem_get_sse_aligned_generic(be, sz)
104		#define mem_get_le_aligned_generic(sz) mem_get_ne_aligned_generic(le, sz)
105		#define mem_get_sle_aligned_generic(sz) mem_get_sne_aligned_generic(le, sz)
106		#define mem_put_be_aligned_generic(sz) mem_put_se_aligned_generic(be, sz)
107		#define mem_put_le_aligned_generic(sz) mem_put_ne_aligned_generic(le, sz)
108		#endif
109
110		/* clang-format off */
111		#undef mem_get_be16_aligned
112		#define mem_get_be16_aligned mem_ops_wrap_symbol(mem_get_be16_aligned)
113		mem_get_be_aligned_generic(16)
114
115		#undef mem_get_be32_aligned
116		#define mem_get_be32_aligned mem_ops_wrap_symbol(mem_get_be32_aligned)
117		mem_get_be_aligned_generic(32)
118
119		#undef mem_get_le16_aligned
120		#define mem_get_le16_aligned mem_ops_wrap_symbol(mem_get_le16_aligned)
121		mem_get_le_aligned_generic(16)
122
123		#undef mem_get_le32_aligned
124		#define mem_get_le32_aligned mem_ops_wrap_symbol(mem_get_le32_aligned)
125		mem_get_le_aligned_generic(32)
126
127		#undef mem_get_sbe16_aligned
128		#define mem_get_sbe16_aligned mem_ops_wrap_symbol(mem_get_sbe16_aligned)
129		mem_get_sbe_aligned_generic(16)
130
131		#undef mem_get_sbe32_aligned
132		#define mem_get_sbe32_aligned mem_ops_wrap_symbol(mem_get_sbe32_aligned)
133		mem_get_sbe_aligned_generic(32)
134
135		#undef mem_get_sle16_aligned
136		#define mem_get_sle16_aligned mem_ops_wrap_symbol(mem_get_sle16_aligned)
137		mem_get_sle_aligned_generic(16)
138
139		#undef mem_get_sle32_aligned
140		#define mem_get_sle32_aligned mem_ops_wrap_symbol(mem_get_sle32_aligned)
141		mem_get_sle_aligned_generic(32)
142
143		#undef mem_put_be16_aligned
144		#define mem_put_be16_aligned mem_ops_wrap_symbol(mem_put_be16_aligned)
145		mem_put_be_aligned_generic(16)
146
147		#undef mem_put_be32_aligned
148		#define mem_put_be32_aligned mem_ops_wrap_symbol(mem_put_be32_aligned)
149		mem_put_be_aligned_generic(32)
150
151		#undef mem_put_le16_aligned
152		#define mem_put_le16_aligned mem_ops_wrap_symbol(mem_put_le16_aligned)
153		mem_put_le_aligned_generic(16)
154
155		#undef mem_put_le32_aligned
156		#define mem_put_le32_aligned mem_ops_wrap_symbol(mem_put_le32_aligned)
157		mem_put_le_aligned_generic(32)
158
159		#undef mem_get_ne_aligned_generic
160		#undef mem_get_se_aligned_generic
161		#undef mem_get_sne_aligned_generic
162		#undef mem_get_sse_aligned_generic
163		#undef mem_put_ne_aligned_generic
164		#undef mem_put_se_aligned_generic
165		#undef swap_endian_16
166		#undef swap_endian_32
167		#undef swap_endian_16_se
168		#undef swap_endian_32_se
169		/* clang-format on */
170
171		#endif // VPX_VPX_PORTS_MEM_OPS_ALIGNED_H_

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Created: 2024-09-06 07:53