Viewing file:  bswap-1.c (1012 B) -rw-r--r--
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/* { dg-do compile } */
/* { dg-options "-O3 -march=z900 -mzarch" } */
#include <stdint.h>
uint64_t u64;
uint32_t u32;
uint16_t u16;
uint64_t
foo64a (uint64_t a)
{
return __builtin_bswap64 (a);
}
/* { dg-final { scan-assembler-times "lrvgr\t%r2,%r2" 1 { target lp64 } } } */
uint64_t
foo64b ()
{
return __builtin_bswap64 (u64);
}
/* { dg-final { scan-assembler-times "lrvg\t%r2,\[0-9\]+\\(%r\[0-9\]*\\)" 1 { target lp64 } } } */
void
foo64c (uint64_t a)
{
u64 = __builtin_bswap64 (a);
}
/* { dg-final { scan-assembler-times "strvg\t%r2,\[0-9\]+\\(%r\[0-9\]*\\)" 1 { target lp64 } } } */
uint32_t
foo32a (uint32_t a)
{
return __builtin_bswap32 (a);
}
/* { dg-final { scan-assembler-times "lrvr\t%r2,%r2" 1 } } */
uint32_t
foo32b ()
{
return __builtin_bswap32 (u32);
}
/* { dg-final { scan-assembler-times "lrv\t%r2,\[0-9\]+\\(%r\[0-9\]*\\)" 1 } } */
void
foo32c (uint32_t a)
{
u32 = __builtin_bswap32 (a);
}
/* { dg-final { scan-assembler-times "strv\t%r2,\[0-9\]+\\(%r\[0-9\]*\\)" 1 } } */
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