gcc/testsuite/gcc.dg/mips-rsqrt-3.c

   1 /* { dg-do compile { target "mips*-*-*" } } */
   2 /* { dg-options "-O2 -mips4" } */
   3 /* { dg-final { scan-assembler-not "rsqrt.d" } } */
   4 /* { dg-final { scan-assembler-not "rsqrt.s" } } */
   5
   6 extern double sqrt(double);
   7 extern float sqrtf(float);
   8
   9 double foo(double x)
  10 {
  11   return 1.0/sqrt(x);
  12 }
  13
  14 double bar(double x)
  15 {
  16   return sqrt(1.0/x);
  17 }
  18
  19 float foof(float x)
  20 {
  21   return 1.0f/sqrtf(x);
  22 }
  23
  24 float barf(float x)
  25 {
  26   return sqrtf(1.0f/x);
  27 }
  28