gcc/testsuite/gcc.target/i386/387-10.c

   1 /* PR tree-optimization/24964 */
   2 /* { dg-do compile { target i?86-*-* x86_64-*-* } } */
   3 /* { dg-options "-O2 -mfpmath=387" } */
   4
   5 double fabs(double x);
   6
   7 double test1(double x)
   8 {
   9   double t = fabs(x);
  10   return t*t;
  11 }
  12
  13 double test2(double x)
  14 {
  15   double t = -x;
  16   return t*t;
  17 }
  18
  19 /* { dg-final { scan-assembler-not "fchs" } } */
  20 /* { dg-final { scan-assembler-not "fabs" } } */