diff options
| author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-12-02 17:14:18 +0000 |
|---|---|---|
| committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-12-02 17:14:18 +0000 |
| commit | f5fec377965fb10837ee39ee309b1c1551c65f11 (patch) | |
| tree | 39bbecf80e9d1c5b798a7278196759f5812197f4 | |
| parent | 0ecf7a657255369b2827f6c14cf92c21b3c4e2f1 (diff) | |
| download | gcc-f5fec377965fb10837ee39ee309b1c1551c65f11.tar.gz | |
PR middle-end/38343
* builtins.c (fold_builtin_memory_op): Convert len to sizetype
before using it in POINTER_PLUS_EXPR.
* gcc.c-torture/compile/pr38343-2.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@142363 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/builtins.c | 1 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/compile/pr38343-2.c | 12 |
4 files changed, 24 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 843b22168bd..a0a839c4ab9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2008-12-02 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/38343 + * builtins.c (fold_builtin_memory_op): Convert len to sizetype + before using it in POINTER_PLUS_EXPR. + 2008-12-02 Richard Guenther <rguenther@suse.de> PR tree-optimization/38359 diff --git a/gcc/builtins.c b/gcc/builtins.c index 34066675873..444baa606d1 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -8993,6 +8993,7 @@ fold_builtin_memory_op (tree dest, tree src, tree len, tree type, bool ignore, i len = fold_build2 (MINUS_EXPR, TREE_TYPE (len), len, ssize_int (1)); + len = fold_convert (sizetype, len); dest = fold_build2 (POINTER_PLUS_EXPR, TREE_TYPE (dest), dest, len); dest = fold_convert (type, dest); if (expr) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 33d0f8650d9..a08d83b5b33 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2008-12-02 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/38343 + * gcc.c-torture/compile/pr38343-2.c: New test. + 2008-12-02 Richard Guenther <rguenther@suse.de> PR tree-optimization/38359 diff --git a/gcc/testsuite/gcc.c-torture/compile/pr38343-2.c b/gcc/testsuite/gcc.c-torture/compile/pr38343-2.c new file mode 100644 index 00000000000..8444cc78f06 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/pr38343-2.c @@ -0,0 +1,12 @@ +/* PR middle-end/38343 */ + +static struct S +{ + char f[6]; +} s[] = { {"01000"} }; + +char * +foo (void) +{ + return __builtin_stpcpy (s[0].f, "S0022"); +} |