Mercurial > hg > CbC > CbC_gcc

annotate gcc/testsuite/gcc.dg/pr86835.c @ 145:1830386684a0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
parents 84e7813d76e9
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
131
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
1 /* PR tree-optimization/86835 */
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
2 /* { dg-do run } */
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
3 /* { dg-options "-O2 -ffast-math -Wuninitialized" } */
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
4
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
5 __attribute__((noipa)) void
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
6 foo (int n, double *x, double *y)
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
7 { /* { dg-bogus "is used uninitialized in this function" "" { target *-*-* } 0 } */
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
8 int i;
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
9 double b = y[4];
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
10 for (i = 0; i < n; ++i)
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
11 y[3] += __builtin_sin (x[i] / b);
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
12 y[0] /= b;
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
13 y[1] /= b * b;
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
14 y[2] /= b;
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
15 }
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
16
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
17 int
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
18 main ()
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
19 {
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
20 double y[] = { 16.0, 64.0, 128.0, 0.0, 2.0 };
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
21 foo (0, y, y);
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
22 if (__builtin_fabs (y[0] - 8.0) > 0.0001
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
23 || __builtin_fabs (y[1] - 16.0) > 0.0001
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
24 || __builtin_fabs (y[2] - 64.0) > 0.0001
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
25 || y[3] != 0.0
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
26 || y[4] != 2.0)
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
27 __builtin_abort ();
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
28 return 0;
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
29 }