diff options
Diffstat (limited to 'gcc/gimple-fold.c')
| -rw-r--r-- | gcc/gimple-fold.c | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/gcc/gimple-fold.c b/gcc/gimple-fold.c index 6044092..24f7e76 100644 --- a/gcc/gimple-fold.c +++ b/gcc/gimple-fold.c @@ -7178,23 +7178,30 @@ gimple_build_vector_from_val (gimple_seq *seq, location_t loc, tree type, return res; } -/* Build a vector of type TYPE in which the elements have the values - given by ELTS. Return a gimple value for the result, appending any - new instructions to SEQ. */ +/* Build a vector from BUILDER, handling the case in which some elements + are non-constant. Return a gimple value for the result, appending any + new instructions to SEQ. + + BUILDER must not have a stepped encoding on entry. This is because + the function is not geared up to handle the arithmetic that would + be needed in the variable case, and any code building a vector that + is known to be constant should use BUILDER->build () directly. */ tree -gimple_build_vector (gimple_seq *seq, location_t loc, tree type, - vec<tree> elts) +gimple_build_vector (gimple_seq *seq, location_t loc, + tree_vector_builder *builder) { - unsigned int nelts = elts.length (); - gcc_assert (nelts == TYPE_VECTOR_SUBPARTS (type)); - for (unsigned int i = 0; i < nelts; ++i) - if (!TREE_CONSTANT (elts[i])) + gcc_assert (builder->nelts_per_pattern () <= 2); + unsigned int encoded_nelts = builder->encoded_nelts (); + for (unsigned int i = 0; i < encoded_nelts; ++i) + if (!TREE_CONSTANT ((*builder)[i])) { + tree type = builder->type (); + unsigned int nelts = TYPE_VECTOR_SUBPARTS (type); vec<constructor_elt, va_gc> *v; vec_alloc (v, nelts); for (i = 0; i < nelts; ++i) - CONSTRUCTOR_APPEND_ELT (v, NULL_TREE, elts[i]); + CONSTRUCTOR_APPEND_ELT (v, NULL_TREE, builder->elt (i)); tree res; if (gimple_in_ssa_p (cfun)) @@ -7206,7 +7213,7 @@ gimple_build_vector (gimple_seq *seq, location_t loc, tree type, gimple_seq_add_stmt_without_update (seq, stmt); return res; } - return build_vector (type, elts); + return builder->build (); } /* Return true if the result of assignment STMT is known to be non-negative. |