Mercurial > hg > CbC > CbC_gcc

annotate gcc/testsuite/gcc.dg/Wstrict-aliasing-float-ptr-int-obj.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 04ced10e8804
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
111
kono
parents:
diff changeset
1 /* { dg-do compile } */
kono
parents:
diff changeset
2 /* { dg-options "-O -Wstrict-aliasing -fstrict-aliasing" } */
kono
parents:
diff changeset
3
kono
parents:
diff changeset
4 extern int flag;
kono
parents:
diff changeset
5
kono
parents:
diff changeset
6 int foo() {
kono
parents:
diff changeset
7
kono
parents:
diff changeset
8 int x;
kono
parents:
diff changeset
9 int y = 9;
kono
parents:
diff changeset
10 float* q;
kono
parents:
diff changeset
11 float* r;
kono
parents:
diff changeset
12
kono
parents:
diff changeset
13 if (flag) {
kono
parents:
diff changeset
14 q = (float*) &x; /* { dg-message "initialized" "" { xfail *-*-* } } */
kono
parents:
diff changeset
15 } else {
kono
parents:
diff changeset
16 q = (float*) &y; /* { dg-message "initialized" "" { xfail *-*-* } } */
kono
parents:
diff changeset
17 }
kono
parents:
diff changeset
18
kono
parents:
diff changeset
19 *q = 1.0; /* { dg-warning "does break strict-aliasing" "" { xfail *-*-* } } */
kono
parents:
diff changeset
20
kono
parents:
diff changeset
21 return x;
kono
parents:
diff changeset
22
kono
parents:
diff changeset
23 }