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| author | Roger Sayle <roger@eyesopen.com> | 2006-05-14 17:20:01 +0000 |
|---|---|---|
| committer | Roger Sayle <sayle@gcc.gnu.org> | 2006-05-14 17:20:01 +0000 |
| commit | faf32f4aa5df7a44d5566884150fcf910cc647a5 (patch) | |
| tree | 4564208c5e8769b96aff1bc4d7f5897a4007a9eb | |
| parent | 56106c2ed0a3d5e312d14656f475abb9a3de7b9d (diff) | |
| download | gcc-faf32f4aa5df7a44d5566884150fcf910cc647a5.zip gcc-faf32f4aa5df7a44d5566884150fcf910cc647a5.tar.gz gcc-faf32f4aa5df7a44d5566884150fcf910cc647a5.tar.bz2 | |
re PR middle-end/26729 (bad bitops folding)
PR middle-end/26729
* gcc.dg/pr26729-1.c: New test case.
From-SVN: r113764
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr26729-1.c | 16 |
2 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 8fd6a10..030c182 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2006-05-14 Roger Sayle <roger@eyesopen.com> + + PR middle-end/26729 + * gcc.dg/pr26729-1.c: New test case. + 2006-05-13 Zdenek Dvorak <dvorakz@suse.cz> * gcc.dg/pr27003.c: New test. diff --git a/gcc/testsuite/gcc.dg/pr26729-1.c b/gcc/testsuite/gcc.dg/pr26729-1.c new file mode 100644 index 0000000..2f55ef7 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr26729-1.c @@ -0,0 +1,16 @@ +/* { dg-do run } */ +/* { dg-options "-O2" } */ + +void abort(void); + +__attribute__((noinline)) +int f (unsigned short word) { + return (word & 0x1) && (((unsigned short) (word & 0x8000)) == 0x8000); +} + +int main(void) { + if (!f(0x8001)) + abort(); + return 0; +} + |