Mercurial > hg > CbC > CbC_gcc

annotate gcc/testsuite/gcc.dg/tree-ssa/popcount2.c @ 131:84e7813d76e9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents
children 1830386684a0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
131
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
1 /* { dg-do run } */
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
2 /* { dg-options "-O2 -fno-tree-ch -fdump-tree-optimized" } */
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
3
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
4 int
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
5 __attribute__ ((noinline, noclone))
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
6 foo (long b)
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
7 {
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
8 int c = 0;
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
9
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
10 while (b) {
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
11 b &= b - 1;
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
12 c++;
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
13 }
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
14 return c;
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 main()
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
18 {
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
19 if (foo (7) != 3)
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
20 __builtin_abort ();
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
21 if (foo (0) != 0)
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
22 __builtin_abort ();
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
23 if (foo (0xff) != 8)
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
24 __builtin_abort ();
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
25 return 0;
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
26 }
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
27
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
28 /* { dg-final { scan-tree-dump-times "__builtin_popcount" 1 "optimized" } } */