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| author | Richard Sandiford <richard.sandiford@linaro.org> | 2018-01-02 18:26:56 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2018-01-02 18:26:56 +0000 |
| commit | 736d0f28783f12fa042892bc186866dd5101088f (patch) | |
| tree | 54c83634cd4ce7f8d3f8660188d476af4c271b1b /gcc/tree-vect-stmts.c | |
| parent | e3342de49cbee48957acc749b9566eee230860be (diff) | |
| download | gcc-736d0f28783f12fa042892bc186866dd5101088f.zip gcc-736d0f28783f12fa042892bc186866dd5101088f.tar.gz gcc-736d0f28783f12fa042892bc186866dd5101088f.tar.bz2 | |
Add a vec_perm_indices_to_tree helper function
This patch adds a function for creating a VECTOR_CST from a
vec_perm_indices, operating directly on the encoding.
2018-01-02 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
* vec-perm-indices.h (vec_perm_indices_to_tree): Declare.
* vec-perm-indices.c (vec_perm_indices_to_tree): New function.
* tree-ssa-forwprop.c (simplify_vector_constructor): Use it.
* tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
* tree-vect-stmts.c (vectorizable_bswap): Likewise.
(vect_gen_perm_mask_any): Likewise.
From-SVN: r256096
Diffstat (limited to 'gcc/tree-vect-stmts.c')
| -rw-r--r-- | gcc/tree-vect-stmts.c | 14 |
1 files changed, 2 insertions, 12 deletions
diff --git a/gcc/tree-vect-stmts.c b/gcc/tree-vect-stmts.c index fed870e..8f26320 100644 --- a/gcc/tree-vect-stmts.c +++ b/gcc/tree-vect-stmts.c @@ -2529,10 +2529,7 @@ vectorizable_bswap (gimple *stmt, gimple_stmt_iterator *gsi, return true; } - tree_vector_builder telts (char_vectype, num_bytes, 1); - for (unsigned i = 0; i < num_bytes; ++i) - telts.quick_push (build_int_cst (char_type_node, elts[i])); - tree bswap_vconst = telts.build (); + tree bswap_vconst = vec_perm_indices_to_tree (char_vectype, indices); /* Transform. */ vec<tree> vec_oprnds = vNULL; @@ -6538,17 +6535,10 @@ vect_gen_perm_mask_any (tree vectype, const vec_perm_indices &sel) { tree mask_elt_type, mask_type; - unsigned int nunits = sel.length (); - gcc_checking_assert (nunits == TYPE_VECTOR_SUBPARTS (vectype)); - mask_elt_type = lang_hooks.types.type_for_mode (int_mode_for_mode (TYPE_MODE (TREE_TYPE (vectype))).require (), 1); mask_type = get_vectype_for_scalar_type (mask_elt_type); - - tree_vector_builder mask_elts (mask_type, nunits, 1); - for (unsigned int i = 0; i < nunits; ++i) - mask_elts.quick_push (build_int_cst (mask_elt_type, sel[i])); - return mask_elts.build (); + return vec_perm_indices_to_tree (mask_type, sel); } /* Checked version of vect_gen_perm_mask_any. Asserts can_vec_perm_const_p, |