Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/recip-5.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children | 1830386684a0 |
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/* { dg-options "-O1 -funsafe-math-optimizations -ftrapping-math -fdump-tree-recip -fdump-tree-optimized" } */ /* { dg-do compile } */ /* { dg-warning "-fassociative-math disabled" "" { target *-*-* } 0 } */ /* 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 *-*-* } } } */