diff options
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-08-19 12:30:36 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-08-19 12:30:36 +0000 |
| commit | 5708fb3a2f5a3e7a872e6bb9c0457e9a4bcf0689 (patch) | |
| tree | eb58ee3fc4297a3006658836b902fd4d0b8d46ca /gcc | |
| parent | bfa29ed4c3b6beae2ab02eb28d6b272b7ab647e6 (diff) | |
| download | gcc-5708fb3a2f5a3e7a872e6bb9c0457e9a4bcf0689.tar.gz | |
2011-08-19 Richard Guenther <rguenther@suse.de>
* gcc.dg/torture/pr50067-1.c: New testcase.
* gcc.dg/torture/pr50067-2.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@177896 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/torture/pr50067-1.c | 18 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/torture/pr50067-2.c | 20 |
3 files changed, 43 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 0cadc3ccb7d..50776336b74 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2011-08-19 Richard Guenther <rguenther@suse.de> + + * gcc.dg/torture/pr50067-1.c: New testcase. + * gcc.dg/torture/pr50067-2.c: Likewise. + 2011-08-19 Joey Ye <joey.ye@arm.com> PR target/49437 diff --git a/gcc/testsuite/gcc.dg/torture/pr50067-1.c b/gcc/testsuite/gcc.dg/torture/pr50067-1.c new file mode 100644 index 00000000000..8f72d26d713 --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr50067-1.c @@ -0,0 +1,18 @@ +/* { dg-do run } */ + +/* Make sure data-dependence analysis does not compute a bogus + distance vector for the different sized accesses. */ + +extern int memcmp(const void *, const void *, __SIZE_TYPE__); +extern void abort (void); +short a[32] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 }; +short b[32] = { 4, 0, 5, 0, 6, 0, 7, 0, 8, 0, }; +int main() +{ + int i; + for (i = 0; i < 32; ++i) + (*((unsigned short(*)[32])&a[0]))[i] = (*((char(*)[32])&a[0]))[i+8]; + if (memcmp (&a, &b, sizeof (a)) != 0) + abort (); + return 0; +} diff --git a/gcc/testsuite/gcc.dg/torture/pr50067-2.c b/gcc/testsuite/gcc.dg/torture/pr50067-2.c new file mode 100644 index 00000000000..ee9fbb904c1 --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr50067-2.c @@ -0,0 +1,20 @@ +/* { dg-do run } */ + +/* Make sure data-dependence analysis does not compute a bogus + distance vector for the different sized accesses. */ + +extern int memcmp(const void *, const void *, __SIZE_TYPE__); +extern void abort (void); +short a[32] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 }; +short b[32] = { 4, 0, 5, 0, 6, 0, 7, 0, 8, 0, }; +int main() +{ + int i; + for (i = 0; i < 32; ++i) + { + a[i] = (*((char(*)[32])&a[0]))[i+8]; + } + if (memcmp (&a, &b, sizeof (a)) != 0) + abort (); + return 0; +} |