33 lines
930 B
C
33 lines
930 B
C
/* { 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" } } */
|
|
|