gcc/testsuite/gcc.target/i386/vectorize4.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target ilp32 } */
   3 /* { dg-options "-O2 -ffast-math -ftree-vectorize -msse2 -mtune=generic --param ggc-min-expand=0 --param ggc-min-heapsize=0" } */
   4 /* This test, tests two thing, we vectorize square root and also we don't crash due to a GC issue.  */
   5
   6
   7 extern double sqrt (double __x);
   8 void calc_freq (int *dest)
   9 {
  10   float tmp_out[257];
  11   int i;
  12   for (i = 0; i < 256; i++)
  13     dest[i] = sqrt (tmp_out[i]);
  14 }
  15
  16 /* { dg-final { scan-assembler "sqrtpd" } } */