1 /* { dg-do compile } */
2 /* { dg-require-effective-target bswap64 } */
3 /* { dg-require-effective-target stdint_types } */
4 /* { dg-options "-O2 -fdump-tree-bswap" } */
5 /* { dg-additional-options "-mzarch" { target s390*-*-* } } */
12 unsigned char u0
, u1
, u2
, u3
, u4
, u5
, u6
, u7
;
15 uint64_t read_le64_1 (void)
17 return (uint64_t) data
[0] | ((uint64_t) data
[1] << 8)
18 | ((uint64_t) data
[2] << 16) | ((uint64_t) data
[3] << 24)
19 | ((uint64_t) data
[4] << 32) | ((uint64_t) data
[5] << 40)
20 | ((uint64_t) data
[6] << 48) | ((uint64_t) data
[7] << 56);
23 uint64_t read_le64_2 (struct uint64_st data
)
25 return (uint64_t) data
.u0
| ((uint64_t) data
.u1
<< 8)
26 | ((uint64_t) data
.u2
<< 16) | ((uint64_t) data
.u3
<< 24)
27 | ((uint64_t) data
.u4
<< 32) | ((uint64_t) data
.u5
<< 40)
28 | ((uint64_t) data
.u6
<< 48) | ((uint64_t) data
.u7
<< 56);
31 uint64_t read_le64_3 (unsigned char *data
)
33 return (uint64_t) *data
| ((uint64_t) *(data
+ 1) << 8)
34 | ((uint64_t) *(data
+ 2) << 16) | ((uint64_t) *(data
+ 3) << 24)
35 | ((uint64_t) *(data
+ 4) << 32) | ((uint64_t) *(data
+ 5) << 40)
36 | ((uint64_t) *(data
+ 6) << 48) | ((uint64_t) *(data
+ 7) << 56);
39 uint64_t read_be64_1 (void)
41 return (uint64_t) data
[7] | ((uint64_t) data
[6] << 8)
42 | ((uint64_t) data
[5] << 16) | ((uint64_t) data
[4] << 24)
43 | ((uint64_t) data
[3] << 32) | ((uint64_t) data
[2] << 40)
44 | ((uint64_t) data
[1] << 48) | ((uint64_t) data
[0] << 56);
47 uint64_t read_be64_2 (struct uint64_st data
)
49 return (uint64_t) data
.u7
| ((uint64_t) data
.u6
<< 8)
50 | ((uint64_t) data
.u5
<< 16) | ((uint64_t) data
.u4
<< 24)
51 | ((uint64_t) data
.u3
<< 32) | ((uint64_t) data
.u2
<< 40)
52 | ((uint64_t) data
.u1
<< 48) | ((uint64_t) data
.u0
<< 56);
55 uint64_t read_be64_3 (unsigned char *data
)
57 return (uint64_t) *(data
+ 7) | ((uint64_t) *(data
+ 6) << 8)
58 | ((uint64_t) *(data
+ 5) << 16) | ((uint64_t) *(data
+ 4) << 24)
59 | ((uint64_t) *(data
+ 3) << 32) | ((uint64_t) *(data
+ 2) << 40)
60 | ((uint64_t) *(data
+ 1) << 48) | ((uint64_t) *data
<< 56);
63 /* { dg-final { scan-tree-dump-times "64 bit load in target endianness found at" 3 "bswap" } } */
64 /* { dg-final { scan-tree-dump-times "64 bit bswap implementation found at" 3 "bswap" { xfail alpha*-*-* arm*-*-* } } } */