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| author | Richard Guenther <rguenther@suse.de> | 2010-07-29 12:31:29 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2010-07-29 12:31:29 +0000 |
| commit | 9b638c031a7ec32d422e150f613f1ce718305a2a (patch) | |
| tree | d6a0b4eca69ba92d9f1bd7793ead87989b748a15 /gcc/tree.c | |
| parent | 1c09321ca033a4094193fe9ce4e54e3344ac5360 (diff) | |
| download | gcc-9b638c031a7ec32d422e150f613f1ce718305a2a.zip gcc-9b638c031a7ec32d422e150f613f1ce718305a2a.tar.gz gcc-9b638c031a7ec32d422e150f613f1ce718305a2a.tar.bz2 | |
tree.c (build_vector): Assert that the vector constant has enough elements.
2010-07-29 Richard Guenther <rguenther@suse.de>
* tree.c (build_vector): Assert that the vector constant
has enough elements.
(build_vector_from_ctor): Pad with trailing zeros.
From-SVN: r162677
Diffstat (limited to 'gcc/tree.c')
| -rw-r--r-- | gcc/tree.c | 7 |
1 files changed, 7 insertions, 0 deletions
@@ -1318,6 +1318,7 @@ build_vector (tree type, tree vals) tree v = make_node (VECTOR_CST); int over = 0; tree link; + unsigned cnt = 0; TREE_VECTOR_CST_ELTS (v) = vals; TREE_TYPE (v) = type; @@ -1326,6 +1327,7 @@ build_vector (tree type, tree vals) for (link = vals; link; link = TREE_CHAIN (link)) { tree value = TREE_VALUE (link); + cnt++; /* Don't crash if we get an address constant. */ if (!CONSTANT_CLASS_P (value)) @@ -1334,6 +1336,8 @@ build_vector (tree type, tree vals) over |= TREE_OVERFLOW (value); } + gcc_assert (cnt == TYPE_VECTOR_SUBPARTS (type)); + TREE_OVERFLOW (v) = over; return v; } @@ -1350,6 +1354,9 @@ build_vector_from_ctor (tree type, VEC(constructor_elt,gc) *v) FOR_EACH_CONSTRUCTOR_VALUE (v, idx, value) list = tree_cons (NULL_TREE, value, list); + for (; idx < TYPE_VECTOR_SUBPARTS (type); ++idx) + list = tree_cons (NULL_TREE, + fold_convert (TREE_TYPE (type), integer_zero_node), list); return build_vector (type, nreverse (list)); } |