diff options
Diffstat (limited to 'gcc/c-common.c')
| -rw-r--r-- | gcc/c-common.c | 23 |
1 files changed, 4 insertions, 19 deletions
diff --git a/gcc/c-common.c b/gcc/c-common.c index 4d40922..2f9e2e2 100644 --- a/gcc/c-common.c +++ b/gcc/c-common.c @@ -4783,7 +4783,7 @@ handle_vector_size_attribute (tree *node, tree name, tree args, bool *no_add_attrs) { unsigned HOST_WIDE_INT vecsize, nunits; - enum machine_mode mode, orig_mode, new_mode; + enum machine_mode orig_mode; tree type = *node, new_type, size; *no_add_attrs = true; @@ -4832,28 +4832,13 @@ handle_vector_size_attribute (tree *node, tree name, tree args, /* Calculate how many units fit in the vector. */ nunits = vecsize / tree_low_cst (TYPE_SIZE_UNIT (type), 1); - - /* Find a suitably sized vector. */ - new_mode = VOIDmode; - for (mode = GET_CLASS_NARROWEST_MODE (GET_MODE_CLASS (orig_mode) == MODE_INT - ? MODE_VECTOR_INT - : MODE_VECTOR_FLOAT); - mode != VOIDmode; - mode = GET_MODE_WIDER_MODE (mode)) - if (vecsize == GET_MODE_SIZE (mode) - && nunits == (unsigned HOST_WIDE_INT) GET_MODE_NUNITS (mode)) - { - new_mode = mode; - break; - } - - if (new_mode == VOIDmode) + if (nunits & (nunits - 1)) { - error ("no vector mode with the size and type specified could be found"); + error ("number of components of the vector not a power of two"); return NULL_TREE; } - new_type = build_vector_type_for_mode (type, new_mode); + new_type = build_vector_type (type, nunits); /* Build back pointers if needed. */ *node = reconstruct_complex_type (*node, new_type); |