OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [recip-5.c] - Rev 689

Compare with Previous | Blame | View Log

/* { dg-options "-O1 -funsafe-math-optimizations -ftrapping-math -fdump-tree-recip -fdump-tree-optimized" } */
/* { dg-do compile } */
/* { dg-warning "-fassociative-math disabled" "" { target *-*-* } 1 } */
 
/* Test the reciprocal optimizations together with trapping math.  */
 
extern int f2();
 
double f1(double y, double z, double w, double j, double k)
{
  double b, c, d, e, f, g;
 
  if (f2 ())
    /* inserts one division here */
    b = 1 / y, c = z / y, d = j / y;
  else
    /* one division here */
    b = 3 / y, c = w / y, d = k / y;
 
  /* and one here, that should be removed afterwards but is not right now */
  e = b / y;
  f = c / y;
  g = d / y;
 
  return e + f + g;
}
 
/* { dg-final { scan-tree-dump-times " / " 3 "recip" } } */
/* { dg-final { scan-tree-dump-times " / " 2 "optimized" { xfail *-*-* } } } */
/* { dg-final { cleanup-tree-dump "recip" } } */
/* { dg-final { cleanup-tree-dump "optimized" } } */
 
 

Compare with Previous | Blame | View Log

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.