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| author | Joel Hutton <Joel.Hutton@arm.com> | 2019-11-04 16:39:32 +0000 |
|---|---|---|
| committer | Andre Vieira <avieira@gcc.gnu.org> | 2019-11-04 16:39:32 +0000 |
| commit | 818b3293f4545d899148810f4f7d676b81e989dd (patch) | |
| tree | 2702ccd3ba1baf99c6cb15f51052689b1b0cb9e2 /gcc/expr.c | |
| parent | a6ba623777513e31721030092e4d786f461a0f06 (diff) | |
[SLP] SLP vectorization: vectorize vector constructors
gcc/ChangeLog:
2019-11-04 Joel Hutton <Joel.Hutton@arm.com>
* expr.c (store_constructor): Modify to handle single element vectors.
* tree-vect-slp.c (vect_analyze_slp_instance): Add case for vector
constructors.
(vect_slp_check_for_constructors): New function.
(vect_slp_analyze_bb_1): Call new function to check for vector
constructors.
(vectorize_slp_instance_root_stmt): New function.
(vect_schedule_slp): Call new function to vectorize root stmt of vector
constructors.
* tree-vectorizer.h (SLP_INSTANCE_ROOT_STMT): New field.
gcc/testsuite/ChangeLog:
2019-11-04 Joel Hutton <Joel.Hutton@arm.com>
* gcc.dg/vect/bb-slp-40.c: New test.
* gcc.dg/vect/bb-slp-41.c: New test.
From-SVN: r277784
Diffstat (limited to 'gcc/expr.c')
| -rw-r--r-- | gcc/expr.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/expr.c b/gcc/expr.c index 476c6865f20..12165af21cb 100644 --- a/gcc/expr.c +++ b/gcc/expr.c @@ -6809,6 +6809,7 @@ store_constructor (tree exp, rtx target, int cleared, poly_int64 size, && n_elts.is_constant (&const_n_elts)) { machine_mode emode = eltmode; + bool vector_typed_elts_p = false; if (CONSTRUCTOR_NELTS (exp) && (TREE_CODE (TREE_TYPE (CONSTRUCTOR_ELT (exp, 0)->value)) @@ -6819,13 +6820,14 @@ store_constructor (tree exp, rtx target, int cleared, poly_int64 size, * TYPE_VECTOR_SUBPARTS (etype), n_elts)); emode = TYPE_MODE (etype); + vector_typed_elts_p = true; } icode = convert_optab_handler (vec_init_optab, mode, emode); if (icode != CODE_FOR_nothing) { unsigned int n = const_n_elts; - if (emode != eltmode) + if (vector_typed_elts_p) { n = CONSTRUCTOR_NELTS (exp); vec_vec_init_p = true; |