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/* { dg-do compile } */
/* { dg-require-effective-target bswap32 } */
/* { dg-require-effective-target stdint_types } */
/* { dg-options "-O2 -fdump-tree-bswap" } */
/* { dg-additional-options "-march=z900" { target s390-*-* } } */
#include <stdint.h>
extern unsigned char data[4];
struct uint32_st {
unsigned char u0, u1, u2, u3;
};
uint32_t read_le32_1 (void)
{
return data[0] | (data[1] << 8) | (data[2] << 16) | (data[3] << 24);
}
uint32_t read_le32_2 (struct uint32_st data)
{
return data.u0 | (data.u1 << 8) | (data.u2 << 16) | (data.u3 << 24);
}
uint32_t read_le32_3 (unsigned char *data)
{
return *data | (*(data + 1) << 8) | (*(data + 2) << 16)
| (*(data + 3) << 24);
}
uint32_t read_be32_1 (void)
{
return data[3] | (data[2] << 8) | (data[1] << 16) | (data[0] << 24);
}
uint32_t read_be32_2 (struct uint32_st data)
{
return data.u3 | (data.u2 << 8) | (data.u1 << 16) | (data.u0 << 24);
}
uint32_t read_be32_3 (unsigned char *data)
{
return *(data + 3) | (*(data + 2) << 8) | (*(data + 1) << 16)
| (*data << 24);
}
/* { dg-final { scan-tree-dump-times "32 bit load in target endianness found at" 3 "bswap" } } */
/* { dg-final { scan-tree-dump-times "32 bit bswap implementation found at" 3 "bswap" { xfail alpha*-*-* arm*-*-* } } } */
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