gcc/testsuite/gcc.target/nds32/builtin-mfsr-mtsr.c

/* Verify that we generate mfsr/mtsr instruction with builtin function.  */

/* { dg-do compile }  */
/* { dg-options "-O0" }  */
/* { dg-final { scan-assembler "\\tmfsr" } }  */
/* { dg-final { scan-assembler "\\tmtsr" } }  */

#include <nds32_intrinsic.h>

void
test (void)
{
  int ipsw_value;

  ipsw_value = __builtin_nds32_mfsr (__NDS32_REG_IPSW__);
  __builtin_nds32_mtsr (ipsw_value, __NDS32_REG_IPSW__);
}