gcc/testsuite/gcc.dg/vect/vect-120.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target vect_float } */
   3 /* { dg-require-effective-target vect_shift } */
   4 /* { dg-require-effective-target vect_floatint_cvt } */
   5 /* { dg-additional-options "-fdump-tree-optimized-details-blocks" } */
   6
   7 static inline float
   8 i2f(int x)
   9 {
  10   union { float f; int i; } tmp;
  11   tmp.i=x;
  12   return tmp.f;
  13 }
  14 static inline float
  15 vect_ldexpf(float x, int n)
  16 {
  17   n = (n+0x7f)<<23;
  18   return x * i2f(n);
  19 }
  20
  21 float __attribute__ ((aligned(16))) a[1024];
  22 float __attribute__ ((aligned(16))) b[1024];
  23 float __attribute__ ((aligned(16))) c[1024];
  24
  25 void
  26 tV()
  27 {
  28   int i;
  29   for (i=0; i!=1024; ++i)
  30     {
  31       float z = a[i];
  32       int n = b[i];
  33       c[i] = vect_ldexpf(z,n);
  34     }
  35 }
  36
  37 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
  38 /* { dg-final { scan-tree-dump-not "Invalid sum" "optimized" } } */