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| author | Richard Guenther <rguenther@suse.de> | 2011-07-18 13:39:28 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2011-07-18 13:39:28 +0000 |
| commit | e002c7cbaff40445b05da1d5213cb8a08422fb9e (patch) | |
| tree | 4a67ef0edc4087bb16956e1e1b5c1419eaff28d5 /gcc/testsuite | |
| parent | c1f5148401fd1afdc30a3b6d34257186376b98a6 (diff) | |
| download | gcc-e002c7cbaff40445b05da1d5213cb8a08422fb9e.zip gcc-e002c7cbaff40445b05da1d5213cb8a08422fb9e.tar.gz gcc-e002c7cbaff40445b05da1d5213cb8a08422fb9e.tar.bz2 | |
expr.c (expand_expr_real_2): Properly truncate the BIT_NOT_EXPR expansion result to bitfield precision if...
2011-07-18 Richard Guenther <rguenther@suse.de>
* expr.c (expand_expr_real_2): Properly truncate the BIT_NOT_EXPR
expansion result to bitfield precision if required.
* gcc.dg/torture/20110718-1.c: New testcase.
From-SVN: r176398
Diffstat (limited to 'gcc/testsuite')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/torture/20110718-1.c | 23 |
2 files changed, 27 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 65125bd..32f59bd 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2011-07-18 Richard Guenther <rguenther@suse.de> + + * gcc.dg/torture/20110718-1.c: New testcase. + 2011-07-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> * g++.dg/ext/bitfield2.C: Remove i?86-*-netware support. diff --git a/gcc/testsuite/gcc.dg/torture/20110718-1.c b/gcc/testsuite/gcc.dg/torture/20110718-1.c new file mode 100644 index 0000000..ccabbd9 --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/20110718-1.c @@ -0,0 +1,23 @@ +/* { dg-do run } */ + +extern void abort (void); +struct X { +#if (__SIZEOF_LONG__ != __SIZEOF_INT__) && (__SIZEOF_LONG__ == 8) + unsigned long i : 33; +#else + unsigned long i; +#endif +}; +unsigned long __attribute__((noinline)) +foo (struct X *p) +{ + return ~p->i; +} +int main() +{ + struct X x; + x.i = -1; + if (foo (&x) != 0) + abort (); + return 0; +} |