diff options
| author | Rask Ingemann Lambertsen <rask@sygehus.dk> | 2007-07-25 13:13:41 +0200 |
|---|---|---|
| committer | Rask Ingemann Lambertsen <rask@gcc.gnu.org> | 2007-07-25 11:13:41 +0000 |
| commit | 3c72bf3495671dc8d9d4c2b075a265f2f72908ae (patch) | |
| tree | 39b9a5669d95f92e365f7de8ad447f8b7ea2e79c /gcc/testsuite | |
| parent | ba6cb9d26806df2c44e946337f6348d5eaebd668 (diff) | |
| download | gcc-3c72bf3495671dc8d9d4c2b075a265f2f72908ae.zip gcc-3c72bf3495671dc8d9d4c2b075a265f2f72908ae.tar.gz gcc-3c72bf3495671dc8d9d4c2b075a265f2f72908ae.tar.bz2 | |
predcom-1.c (count_averages): Avoid overflow during addition if an int is only 16 bits wide.
* gcc.dg/tree-ssa/predcom-1.c (count_averages): Avoid overflow
during addition if an int is only 16 bits wide.
* gcc.dg/tree-ssa/predcom-2.c (fib): Avoid overflow of 16-bit int.
From-SVN: r126908
Diffstat (limited to 'gcc/testsuite')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/predcom-1.c | 2 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/predcom-2.c | 2 |
3 files changed, 8 insertions, 2 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 057c0ca..d7ab831 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,11 @@ 2007-07-25 Rask Ingemann Lambertsen <rask@sygehus.dk> + * gcc.dg/tree-ssa/predcom-1.c (count_averages): Avoid overflow + during addition if an int is only 16 bits wide. + * gcc.dg/tree-ssa/predcom-2.c (fib): Avoid overflow of 16-bit int. + +2007-07-25 Rask Ingemann Lambertsen <rask@sygehus.dk> + * gcc.dg/torture/pr29584.c: Only run test if pointers have the same size as "long int" and are 32 or 64 bits wide. * gcc.dg/torture/pr28814.c: Likewise. diff --git a/gcc/testsuite/gcc.dg/tree-ssa/predcom-1.c b/gcc/testsuite/gcc.dg/tree-ssa/predcom-1.c index 8e6e897..584f9eb 100644 --- a/gcc/testsuite/gcc.dg/tree-ssa/predcom-1.c +++ b/gcc/testsuite/gcc.dg/tree-ssa/predcom-1.c @@ -23,7 +23,7 @@ void count_averages(int n) int i; for (i = 1; i < n; i++) - avg[i] = ((fib[i - 1] + fib[i] + fib[i + 1]) / 3) & 0xffff; + avg[i] = (((unsigned long) fib[i - 1] + fib[i] + fib[i + 1]) / 3) & 0xffff; } int main(void) diff --git a/gcc/testsuite/gcc.dg/tree-ssa/predcom-2.c b/gcc/testsuite/gcc.dg/tree-ssa/predcom-2.c index b7088c5..3ad13ea 100644 --- a/gcc/testsuite/gcc.dg/tree-ssa/predcom-2.c +++ b/gcc/testsuite/gcc.dg/tree-ssa/predcom-2.c @@ -4,7 +4,7 @@ void abort (void); -int fib[1000]; +long int fib[1000]; void count_fib(void) { |