view gcc/testsuite/gcc.dg/tree-ssa/recip-6.c @ 131:84e7813d76e9

gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
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/* { dg-options "-O1 -funsafe-math-optimizations -fno-trapping-math -fdump-tree-recip" } */
/* { dg-do compile } */

/* Test inserting in a block that does not contain a division.  */

extern int g();

double m, n, o;

void f1(double y, double z, double w)
{
  double b, c, d, e, f;

  if (g ())
    b = 1 / y, c = z / y;
  else
    b = 3 / y, c = w / y;

  d = b / y;
  e = c / y;
  f = 1 / y;

  m = d;
  n = e;
  o = f;
}

/* { dg-final { scan-tree-dump-times " / " 1 "recip" } } */