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author | rask <rask@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-07-25 11:13:41 +0000 |
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committer | rask <rask@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-07-25 11:13:41 +0000 |
commit | 65d2fe43e62f6c1918df62bcc01f8c74af5d88ac (patch) | |
tree | 39b9a5669d95f92e365f7de8ad447f8b7ea2e79c /gcc | |
parent | 7b4faed5a8d61123b83da38afddfecd7a034ff14 (diff) | |
download | gcc-65d2fe43e62f6c1918df62bcc01f8c74af5d88ac.tar.gz |
* 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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@126908 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
-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 057c0ca873c..d7ab831b934 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 8e6e897199d..584f9eb0231 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 b7088c5f83f..3ad13eaeda0 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) { |