gcc/testsuite/gcc.target/mips/sb1-1.c

/* Test SB-1 v2sf extensions.  */
/* { dg-do compile } */ 
/* { dg-options "-march=sb1 -mpaired-single -mgp64 -ffast-math" } */
/* { dg-skip-if "rsqrt code quality test" { *-*-* } { "-O0" } { "" } } */
/* { dg-final { scan-assembler "\tdiv.ps\t" } } */
/* { dg-final { scan-assembler "\trecip.ps\t" } } */
/* { dg-final { scan-assembler "\tsqrt.ps\t" } } */
/* { dg-final { scan-assembler "\trsqrt.ps\t" } } */

typedef float v2sf __attribute__ ((vector_size (8)));

NOMIPS16 v2sf divide (v2sf a, v2sf b)
{
  return a / b;
}

NOMIPS16 v2sf recip (v2sf a)
{
  return ((v2sf) {1.0, 1.0}) / a;
}

NOMIPS16 v2sf squareroot (v2sf a)
{
  return __builtin_mips_sqrt_ps (a);
}

NOMIPS16 v2sf rsqrt (v2sf a)
{
  return ((v2sf) {1.0, 1.0}) / __builtin_mips_sqrt_ps (a);
}