diff options
Diffstat (limited to 'gcc/target.def')
| -rw-r--r-- | gcc/target.def | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/target.def b/gcc/target.def index ae22d7a..9e5ddc0 100644 --- a/gcc/target.def +++ b/gcc/target.def @@ -1820,6 +1820,20 @@ misalignment value (@var{misalign}).", int, (enum vect_cost_for_stmt type_of_cost, tree vectype, int misalign), default_builtin_vectorization_cost) +DEFHOOK +(preferred_vector_alignment, + "This hook returns the preferred alignment in bits for accesses to\n\ +vectors of type @var{type} in vectorized code. This might be less than\n\ +or greater than the ABI-defined value returned by\n\ +@code{TARGET_VECTOR_ALIGNMENT}. It can be equal to the alignment of\n\ +a single element, in which case the vectorizer will not try to optimize\n\ +for alignment.\n\ +\n\ +The default hook returns @code{TYPE_ALIGN (@var{type})}, which is\n\ +correct for most targets.", + HOST_WIDE_INT, (const_tree type), + default_preferred_vector_alignment) + /* Return true if vector alignment is reachable (by peeling N iterations) for the given scalar type. */ DEFHOOK |