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/* PR tree-optimization/42587 */
/* { dg-do compile } */
/* { dg-require-effective-target bswap } */
/* { dg-options "-O2 -fno-tree-vectorize -fdump-tree-store-merging" } */
/* { dg-additional-options "-march=z900" { target s390-*-* } } */
typedef unsigned char u8;
typedef unsigned int u32;
union __anonunion_out_195
{
u32 value;
u8 bytes[4];
};
union __anonunion_in_196
{
u32 value;
u8 bytes[4];
};
extern void acpi_ut_track_stack_ptr (void);
u32 acpi_ut_dword_byte_swap (u32 value);
u32
acpi_ut_dword_byte_swap (u32 value)
{
union __anonunion_out_195 out;
union __anonunion_in_196 in;
{
acpi_ut_track_stack_ptr ();
in.value = value;
out.bytes[0] = in.bytes[3];
out.bytes[1] = in.bytes[2];
out.bytes[2] = in.bytes[1];
out.bytes[3] = in.bytes[0];
return (out.value);
}
}
/* { dg-final { scan-tree-dump "32 bit bswap implementation found at" "store-merging" } } */
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