gcc/testsuite/gcc.target/mips/bswap-2.c - gcc - Git at Google

 /* { dg-options "isa_rev>=2" } */

 NOMIPS16 unsigned short
 foo (unsigned short x)
 {
   return __builtin_bswap16 (x);
 }

 /* { dg-final { scan-assembler "\twsbh\t" } } */
	/* { dg-options "isa_rev>=2" } */

	NOMIPS16 unsigned short
	foo (unsigned short x)
	{
	return __builtin_bswap16 (x);
	}

	/* { dg-final { scan-assembler "\twsbh\t" } } */