1 /* { dg-do compile } */
2 /* { dg-require-effective-target bswap64 } */
3 /* { dg-require-effective-target stdint_types } */
4 /* { dg-options "-O2 -fdump-tree-bswap" } */
11 unsigned char u0
, u1
, u2
, u3
, u4
, u5
, u6
, u7
;
14 uint64_t read_le64_1 (void)
16 return (uint64_t) data
[0] | ((uint64_t) data
[1] << 8)
17 | ((uint64_t) data
[2] << 16) | ((uint64_t) data
[3] << 24)
18 | ((uint64_t) data
[4] << 32) | ((uint64_t) data
[5] << 40)
19 | ((uint64_t) data
[6] << 48) | ((uint64_t) data
[7] << 56);
22 uint64_t read_le64_2 (struct uint64_st data
)
24 return (uint64_t) data
.u0
| ((uint64_t) data
.u1
<< 8)
25 | ((uint64_t) data
.u2
<< 16) | ((uint64_t) data
.u3
<< 24)
26 | ((uint64_t) data
.u4
<< 32) | ((uint64_t) data
.u5
<< 40)
27 | ((uint64_t) data
.u6
<< 48) | ((uint64_t) data
.u7
<< 56);
30 uint64_t read_le64_3 (unsigned char *data
)
32 return (uint64_t) *data
| ((uint64_t) *(data
+ 1) << 8)
33 | ((uint64_t) *(data
+ 2) << 16) | ((uint64_t) *(data
+ 3) << 24)
34 | ((uint64_t) *(data
+ 4) << 32) | ((uint64_t) *(data
+ 5) << 40)
35 | ((uint64_t) *(data
+ 6) << 48) | ((uint64_t) *(data
+ 7) << 56);
38 uint64_t read_be64_1 (void)
40 return (uint64_t) data
[7] | ((uint64_t) data
[6] << 8)
41 | ((uint64_t) data
[5] << 16) | ((uint64_t) data
[4] << 24)
42 | ((uint64_t) data
[3] << 32) | ((uint64_t) data
[2] << 40)
43 | ((uint64_t) data
[1] << 48) | ((uint64_t) data
[0] << 56);
46 uint64_t read_be64_2 (struct uint64_st data
)
48 return (uint64_t) data
.u7
| ((uint64_t) data
.u6
<< 8)
49 | ((uint64_t) data
.u5
<< 16) | ((uint64_t) data
.u4
<< 24)
50 | ((uint64_t) data
.u3
<< 32) | ((uint64_t) data
.u2
<< 40)
51 | ((uint64_t) data
.u1
<< 48) | ((uint64_t) data
.u0
<< 56);
54 uint64_t read_be64_3 (unsigned char *data
)
56 return (uint64_t) *(data
+ 7) | ((uint64_t) *(data
+ 6) << 8)
57 | ((uint64_t) *(data
+ 5) << 16) | ((uint64_t) *(data
+ 4) << 24)
58 | ((uint64_t) *(data
+ 3) << 32) | ((uint64_t) *(data
+ 2) << 40)
59 | ((uint64_t) *(data
+ 1) << 48) | ((uint64_t) *data
<< 56);
62 /* { dg-final { scan-tree-dump-times "64 bit load in target endianness found at" 3 "bswap" } } */
63 /* { dg-final { scan-tree-dump-times "64 bit bswap implementation found at" 3 "bswap" { xfail alpha*-*-* arm*-*-* } } } */
64 /* { dg-final { cleanup-tree-dump "bswap" } } */