Line | Count | Source (jump to first uncovered line) |
1 | | /* zmemory.h -- Private inline functions used internally in zlib-ng |
2 | | * For conditions of distribution and use, see copyright notice in zlib.h |
3 | | */ |
4 | | |
5 | | #ifndef _ZMEMORY_H |
6 | | #define _ZMEMORY_H |
7 | | |
8 | | #if defined(__GNUC__) && (__GNUC__ >= 4) |
9 | | # define HAVE_MAY_ALIAS |
10 | | #endif |
11 | | |
12 | 0 | static inline uint16_t zng_memread_2(const void *ptr) { |
13 | 0 | #if defined(HAVE_MAY_ALIAS) |
14 | 0 | typedef struct { uint16_t val; } __attribute__ ((__packed__, __may_alias__)) unaligned_uint16_t; |
15 | 0 | return ((const unaligned_uint16_t *)ptr)->val; |
16 | | #else |
17 | | uint16_t val; |
18 | | memcpy(&val, ptr, sizeof(val)); |
19 | | return val; |
20 | | #endif |
21 | 0 | } Unexecuted instantiation: adler32.c:zng_memread_2 Unexecuted instantiation: crc32.c:zng_memread_2 Unexecuted instantiation: functable.c:zng_memread_2 Unexecuted instantiation: chunkset_sse2.c:zng_memread_2 Unexecuted instantiation: chorba_sse2.c:zng_memread_2 Unexecuted instantiation: compare256_sse2.c:zng_memread_2 Unexecuted instantiation: slide_hash_sse2.c:zng_memread_2 Unexecuted instantiation: chunkset_ssse3.c:zng_memread_2 Unexecuted instantiation: chorba_sse41.c:zng_memread_2 Unexecuted instantiation: slide_hash_avx2.c:zng_memread_2 Unexecuted instantiation: chunkset_avx2.c:zng_memread_2 Unexecuted instantiation: compare256_avx2.c:zng_memread_2 Unexecuted instantiation: adler32_avx512.c:zng_memread_2 Unexecuted instantiation: chunkset_avx512.c:zng_memread_2 Unexecuted instantiation: compare256_avx512.c:zng_memread_2 Unexecuted instantiation: adler32_avx512_vnni.c:zng_memread_2 Unexecuted instantiation: adler32_c.c:zng_memread_2 Unexecuted instantiation: adler32_fold_c.c:zng_memread_2 Unexecuted instantiation: crc32_fold_c.c:zng_memread_2 Unexecuted instantiation: crc32_chorba_c.c:zng_memread_2 |
22 | | |
23 | 0 | static inline uint32_t zng_memread_4(const void *ptr) { |
24 | 0 | #if defined(HAVE_MAY_ALIAS) |
25 | 0 | typedef struct { uint32_t val; } __attribute__ ((__packed__, __may_alias__)) unaligned_uint32_t; |
26 | 0 | return ((const unaligned_uint32_t *)ptr)->val; |
27 | | #else |
28 | | uint32_t val; |
29 | | memcpy(&val, ptr, sizeof(val)); |
30 | | return val; |
31 | | #endif |
32 | 0 | } Unexecuted instantiation: adler32.c:zng_memread_4 Unexecuted instantiation: crc32.c:zng_memread_4 Unexecuted instantiation: functable.c:zng_memread_4 Unexecuted instantiation: chunkset_sse2.c:zng_memread_4 Unexecuted instantiation: chorba_sse2.c:zng_memread_4 Unexecuted instantiation: compare256_sse2.c:zng_memread_4 Unexecuted instantiation: slide_hash_sse2.c:zng_memread_4 Unexecuted instantiation: chunkset_ssse3.c:zng_memread_4 Unexecuted instantiation: chorba_sse41.c:zng_memread_4 Unexecuted instantiation: slide_hash_avx2.c:zng_memread_4 Unexecuted instantiation: chunkset_avx2.c:zng_memread_4 Unexecuted instantiation: compare256_avx2.c:zng_memread_4 Unexecuted instantiation: adler32_avx512.c:zng_memread_4 Unexecuted instantiation: chunkset_avx512.c:zng_memread_4 Unexecuted instantiation: compare256_avx512.c:zng_memread_4 Unexecuted instantiation: adler32_avx512_vnni.c:zng_memread_4 Unexecuted instantiation: adler32_c.c:zng_memread_4 Unexecuted instantiation: adler32_fold_c.c:zng_memread_4 Unexecuted instantiation: crc32_fold_c.c:zng_memread_4 Unexecuted instantiation: crc32_chorba_c.c:zng_memread_4 |
33 | | |
34 | 0 | static inline uint64_t zng_memread_8(const void *ptr) { |
35 | 0 | #if defined(HAVE_MAY_ALIAS) |
36 | 0 | typedef struct { uint64_t val; } __attribute__ ((__packed__, __may_alias__)) unaligned_uint64_t; |
37 | 0 | return ((const unaligned_uint64_t *)ptr)->val; |
38 | | #else |
39 | | uint64_t val; |
40 | | memcpy(&val, ptr, sizeof(val)); |
41 | | return val; |
42 | | #endif |
43 | 0 | } Unexecuted instantiation: adler32.c:zng_memread_8 Unexecuted instantiation: crc32.c:zng_memread_8 Unexecuted instantiation: functable.c:zng_memread_8 Unexecuted instantiation: chunkset_sse2.c:zng_memread_8 Unexecuted instantiation: chorba_sse2.c:zng_memread_8 Unexecuted instantiation: compare256_sse2.c:zng_memread_8 Unexecuted instantiation: slide_hash_sse2.c:zng_memread_8 Unexecuted instantiation: chunkset_ssse3.c:zng_memread_8 Unexecuted instantiation: chorba_sse41.c:zng_memread_8 Unexecuted instantiation: slide_hash_avx2.c:zng_memread_8 Unexecuted instantiation: chunkset_avx2.c:zng_memread_8 Unexecuted instantiation: compare256_avx2.c:zng_memread_8 Unexecuted instantiation: adler32_avx512.c:zng_memread_8 Unexecuted instantiation: chunkset_avx512.c:zng_memread_8 Unexecuted instantiation: compare256_avx512.c:zng_memread_8 Unexecuted instantiation: adler32_avx512_vnni.c:zng_memread_8 Unexecuted instantiation: adler32_c.c:zng_memread_8 Unexecuted instantiation: adler32_fold_c.c:zng_memread_8 Unexecuted instantiation: crc32_fold_c.c:zng_memread_8 Unexecuted instantiation: crc32_chorba_c.c:zng_memread_8 |
44 | | |
45 | 0 | static inline void zng_memwrite_2(void *ptr, uint16_t val) { |
46 | 0 | #if defined(HAVE_MAY_ALIAS) |
47 | 0 | typedef struct { uint16_t val; } __attribute__ ((__packed__, __may_alias__)) unaligned_uint16_t; |
48 | 0 | ((unaligned_uint16_t *)ptr)->val = val; |
49 | 0 | #else |
50 | 0 | memcpy(ptr, &val, sizeof(val)); |
51 | 0 | #endif |
52 | 0 | } Unexecuted instantiation: adler32.c:zng_memwrite_2 Unexecuted instantiation: crc32.c:zng_memwrite_2 Unexecuted instantiation: functable.c:zng_memwrite_2 Unexecuted instantiation: chunkset_sse2.c:zng_memwrite_2 Unexecuted instantiation: chorba_sse2.c:zng_memwrite_2 Unexecuted instantiation: compare256_sse2.c:zng_memwrite_2 Unexecuted instantiation: slide_hash_sse2.c:zng_memwrite_2 Unexecuted instantiation: chunkset_ssse3.c:zng_memwrite_2 Unexecuted instantiation: chorba_sse41.c:zng_memwrite_2 Unexecuted instantiation: slide_hash_avx2.c:zng_memwrite_2 Unexecuted instantiation: chunkset_avx2.c:zng_memwrite_2 Unexecuted instantiation: compare256_avx2.c:zng_memwrite_2 Unexecuted instantiation: adler32_avx512.c:zng_memwrite_2 Unexecuted instantiation: chunkset_avx512.c:zng_memwrite_2 Unexecuted instantiation: compare256_avx512.c:zng_memwrite_2 Unexecuted instantiation: adler32_avx512_vnni.c:zng_memwrite_2 Unexecuted instantiation: adler32_c.c:zng_memwrite_2 Unexecuted instantiation: adler32_fold_c.c:zng_memwrite_2 Unexecuted instantiation: crc32_fold_c.c:zng_memwrite_2 Unexecuted instantiation: crc32_chorba_c.c:zng_memwrite_2 |
53 | | |
54 | 0 | static inline void zng_memwrite_4(void *ptr, uint32_t val) { |
55 | 0 | #if defined(HAVE_MAY_ALIAS) |
56 | 0 | typedef struct { uint32_t val; } __attribute__ ((__packed__, __may_alias__)) unaligned_uint32_t; |
57 | 0 | ((unaligned_uint32_t *)ptr)->val = val; |
58 | 0 | #else |
59 | 0 | memcpy(ptr, &val, sizeof(val)); |
60 | 0 | #endif |
61 | 0 | } Unexecuted instantiation: adler32.c:zng_memwrite_4 Unexecuted instantiation: crc32.c:zng_memwrite_4 Unexecuted instantiation: functable.c:zng_memwrite_4 Unexecuted instantiation: chunkset_sse2.c:zng_memwrite_4 Unexecuted instantiation: chorba_sse2.c:zng_memwrite_4 Unexecuted instantiation: compare256_sse2.c:zng_memwrite_4 Unexecuted instantiation: slide_hash_sse2.c:zng_memwrite_4 Unexecuted instantiation: chunkset_ssse3.c:zng_memwrite_4 Unexecuted instantiation: chorba_sse41.c:zng_memwrite_4 Unexecuted instantiation: slide_hash_avx2.c:zng_memwrite_4 Unexecuted instantiation: chunkset_avx2.c:zng_memwrite_4 Unexecuted instantiation: compare256_avx2.c:zng_memwrite_4 Unexecuted instantiation: adler32_avx512.c:zng_memwrite_4 Unexecuted instantiation: chunkset_avx512.c:zng_memwrite_4 Unexecuted instantiation: compare256_avx512.c:zng_memwrite_4 Unexecuted instantiation: adler32_avx512_vnni.c:zng_memwrite_4 Unexecuted instantiation: adler32_c.c:zng_memwrite_4 Unexecuted instantiation: adler32_fold_c.c:zng_memwrite_4 Unexecuted instantiation: crc32_fold_c.c:zng_memwrite_4 Unexecuted instantiation: crc32_chorba_c.c:zng_memwrite_4 |
62 | | |
63 | 0 | static inline void zng_memwrite_8(void *ptr, uint64_t val) { |
64 | 0 | #if defined(HAVE_MAY_ALIAS) |
65 | 0 | typedef struct { uint64_t val; } __attribute__ ((__packed__, __may_alias__)) unaligned_uint64_t; |
66 | 0 | ((unaligned_uint64_t *)ptr)->val = val; |
67 | 0 | #else |
68 | 0 | memcpy(ptr, &val, sizeof(val)); |
69 | 0 | #endif |
70 | 0 | } Unexecuted instantiation: adler32.c:zng_memwrite_8 Unexecuted instantiation: crc32.c:zng_memwrite_8 Unexecuted instantiation: functable.c:zng_memwrite_8 Unexecuted instantiation: chunkset_sse2.c:zng_memwrite_8 Unexecuted instantiation: chorba_sse2.c:zng_memwrite_8 Unexecuted instantiation: compare256_sse2.c:zng_memwrite_8 Unexecuted instantiation: slide_hash_sse2.c:zng_memwrite_8 Unexecuted instantiation: chunkset_ssse3.c:zng_memwrite_8 Unexecuted instantiation: chorba_sse41.c:zng_memwrite_8 Unexecuted instantiation: slide_hash_avx2.c:zng_memwrite_8 Unexecuted instantiation: chunkset_avx2.c:zng_memwrite_8 Unexecuted instantiation: compare256_avx2.c:zng_memwrite_8 Unexecuted instantiation: adler32_avx512.c:zng_memwrite_8 Unexecuted instantiation: chunkset_avx512.c:zng_memwrite_8 Unexecuted instantiation: compare256_avx512.c:zng_memwrite_8 Unexecuted instantiation: adler32_avx512_vnni.c:zng_memwrite_8 Unexecuted instantiation: adler32_c.c:zng_memwrite_8 Unexecuted instantiation: adler32_fold_c.c:zng_memwrite_8 Unexecuted instantiation: crc32_fold_c.c:zng_memwrite_8 Unexecuted instantiation: crc32_chorba_c.c:zng_memwrite_8 |
71 | | |
72 | | /* Use zng_memread_* instead of memcmp to avoid older compilers not converting memcmp |
73 | | calls to unaligned comparisons when unaligned access is supported. Use memcmp only when |
74 | | unaligned support is not available to avoid an extra call to memcpy. */ |
75 | 0 | static inline int32_t zng_memcmp_2(const void *src0, const void *src1) { |
76 | 0 | #if defined(HAVE_MAY_ALIAS) |
77 | 0 | return zng_memread_2(src0) != zng_memread_2(src1); |
78 | | #else |
79 | | return memcmp(src0, src1, 2); |
80 | | #endif |
81 | 0 | } Unexecuted instantiation: adler32.c:zng_memcmp_2 Unexecuted instantiation: crc32.c:zng_memcmp_2 Unexecuted instantiation: functable.c:zng_memcmp_2 Unexecuted instantiation: chunkset_sse2.c:zng_memcmp_2 Unexecuted instantiation: chorba_sse2.c:zng_memcmp_2 Unexecuted instantiation: compare256_sse2.c:zng_memcmp_2 Unexecuted instantiation: slide_hash_sse2.c:zng_memcmp_2 Unexecuted instantiation: chunkset_ssse3.c:zng_memcmp_2 Unexecuted instantiation: chorba_sse41.c:zng_memcmp_2 Unexecuted instantiation: slide_hash_avx2.c:zng_memcmp_2 Unexecuted instantiation: chunkset_avx2.c:zng_memcmp_2 Unexecuted instantiation: compare256_avx2.c:zng_memcmp_2 Unexecuted instantiation: adler32_avx512.c:zng_memcmp_2 Unexecuted instantiation: chunkset_avx512.c:zng_memcmp_2 Unexecuted instantiation: compare256_avx512.c:zng_memcmp_2 Unexecuted instantiation: adler32_avx512_vnni.c:zng_memcmp_2 Unexecuted instantiation: adler32_c.c:zng_memcmp_2 Unexecuted instantiation: adler32_fold_c.c:zng_memcmp_2 Unexecuted instantiation: crc32_fold_c.c:zng_memcmp_2 Unexecuted instantiation: crc32_chorba_c.c:zng_memcmp_2 |
82 | | |
83 | 0 | static inline int32_t zng_memcmp_4(const void *src0, const void *src1) { |
84 | 0 | #if defined(HAVE_MAY_ALIAS) |
85 | 0 | return zng_memread_4(src0) != zng_memread_4(src1); |
86 | | #else |
87 | | return memcmp(src0, src1, 4); |
88 | | #endif |
89 | 0 | } Unexecuted instantiation: adler32.c:zng_memcmp_4 Unexecuted instantiation: crc32.c:zng_memcmp_4 Unexecuted instantiation: functable.c:zng_memcmp_4 Unexecuted instantiation: chunkset_sse2.c:zng_memcmp_4 Unexecuted instantiation: chorba_sse2.c:zng_memcmp_4 Unexecuted instantiation: compare256_sse2.c:zng_memcmp_4 Unexecuted instantiation: slide_hash_sse2.c:zng_memcmp_4 Unexecuted instantiation: chunkset_ssse3.c:zng_memcmp_4 Unexecuted instantiation: chorba_sse41.c:zng_memcmp_4 Unexecuted instantiation: slide_hash_avx2.c:zng_memcmp_4 Unexecuted instantiation: chunkset_avx2.c:zng_memcmp_4 Unexecuted instantiation: compare256_avx2.c:zng_memcmp_4 Unexecuted instantiation: adler32_avx512.c:zng_memcmp_4 Unexecuted instantiation: chunkset_avx512.c:zng_memcmp_4 Unexecuted instantiation: compare256_avx512.c:zng_memcmp_4 Unexecuted instantiation: adler32_avx512_vnni.c:zng_memcmp_4 Unexecuted instantiation: adler32_c.c:zng_memcmp_4 Unexecuted instantiation: adler32_fold_c.c:zng_memcmp_4 Unexecuted instantiation: crc32_fold_c.c:zng_memcmp_4 Unexecuted instantiation: crc32_chorba_c.c:zng_memcmp_4 |
90 | | |
91 | 0 | static inline int32_t zng_memcmp_8(const void *src0, const void *src1) { |
92 | 0 | #if defined(HAVE_MAY_ALIAS) |
93 | 0 | return zng_memread_8(src0) != zng_memread_8(src1); |
94 | | #else |
95 | | return memcmp(src0, src1, 8); |
96 | | #endif |
97 | 0 | } Unexecuted instantiation: adler32.c:zng_memcmp_8 Unexecuted instantiation: crc32.c:zng_memcmp_8 Unexecuted instantiation: functable.c:zng_memcmp_8 Unexecuted instantiation: chunkset_sse2.c:zng_memcmp_8 Unexecuted instantiation: chorba_sse2.c:zng_memcmp_8 Unexecuted instantiation: compare256_sse2.c:zng_memcmp_8 Unexecuted instantiation: slide_hash_sse2.c:zng_memcmp_8 Unexecuted instantiation: chunkset_ssse3.c:zng_memcmp_8 Unexecuted instantiation: chorba_sse41.c:zng_memcmp_8 Unexecuted instantiation: slide_hash_avx2.c:zng_memcmp_8 Unexecuted instantiation: chunkset_avx2.c:zng_memcmp_8 Unexecuted instantiation: compare256_avx2.c:zng_memcmp_8 Unexecuted instantiation: adler32_avx512.c:zng_memcmp_8 Unexecuted instantiation: chunkset_avx512.c:zng_memcmp_8 Unexecuted instantiation: compare256_avx512.c:zng_memcmp_8 Unexecuted instantiation: adler32_avx512_vnni.c:zng_memcmp_8 Unexecuted instantiation: adler32_c.c:zng_memcmp_8 Unexecuted instantiation: adler32_fold_c.c:zng_memcmp_8 Unexecuted instantiation: crc32_fold_c.c:zng_memcmp_8 Unexecuted instantiation: crc32_chorba_c.c:zng_memcmp_8 |
98 | | |
99 | | #endif |