1 /* { dg-do compile } */
2 /* { dg-require-effective-target bswap16 } */
3 /* { dg-require-effective-target stdint_types } */
4 /* { dg-options "-O2 -fdump-tree-bswap" } */
5 /* { dg-additional-options "-march=z900" { target s390-*-* } } */
15 uint32_t read_le16_1 (void)
17 return data
[0] | (data
[1] << 8);
20 uint32_t read_le16_2 (struct uint16_st data
)
22 return data
.u0
| (data
.u1
<< 8);
25 uint32_t read_le16_3 (unsigned char *data
)
27 return *data
| (*(data
+ 1) << 8);
30 uint32_t read_be16_1 (void)
32 return data
[1] | (data
[0] << 8);
35 uint32_t read_be16_2 (struct uint16_st data
)
37 return data
.u1
| (data
.u0
<< 8);
40 uint32_t read_be16_3 (unsigned char *data
)
42 return *(data
+ 1) | (*data
<< 8);
45 /* { dg-final { scan-tree-dump-times "16 bit load in target endianness found at" 3 "bswap" } } */
46 /* { dg-final { scan-tree-dump-times "16 bit bswap implementation found at" 3 "bswap" { xfail alpha*-*-* arm*-*-* } } } */
47 /* { dg-final { cleanup-tree-dump "bswap" } } */