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Diffstat (limited to 'gcc/c-common.c')
-rw-r--r-- | gcc/c-common.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/c-common.c b/gcc/c-common.c index b252345..76e9096 100644 --- a/gcc/c-common.c +++ b/gcc/c-common.c @@ -5199,6 +5199,18 @@ handle_vector_size_attribute (tree *node, tree name, tree args, return NULL_TREE; } + if (vecsize % tree_low_cst (TYPE_SIZE_UNIT (type), 1)) + { + error ("vector size not an integral multiple of component size"); + return NULL; + } + + if (vecsize == 0) + { + error ("zero vector size"); + return NULL; + } + /* Calculate how many units fit in the vector. */ nunits = vecsize / tree_low_cst (TYPE_SIZE_UNIT (type), 1); if (nunits & (nunits - 1)) |