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| author | Richard Biener <rguenther@suse.de> | 2021-04-14 12:48:37 +0200 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2021-04-23 10:28:10 +0200 |
| commit | b26485f1af45423980b7bc1206411cf4b8bb84b6 (patch) | |
| tree | 66234fc08e22a28d5f9c5a89d0cd46c0eb225c3b /gcc | |
| parent | cbca62831cb7c1c7c20d67fcf929f156b09923bf (diff) | |
| download | gcc-b26485f1af45423980b7bc1206411cf4b8bb84b6.tar.gz | |
Avoid more temporaries in IVOPTs
This avoids use of valid_gimple_rhs_p and instead gimplifies to
such a RHS, avoiding more SSA copies being generated by IVOPTs.
2021-04-14 Richard Biener <rguenther@suse.de>
* tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Avoid
valid_gimple_rhs_p by instead gimplifying to one.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/tree-ssa-loop-ivopts.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/gcc/tree-ssa-loop-ivopts.c b/gcc/tree-ssa-loop-ivopts.c index 4012ae3f19d..12a8a49a307 100644 --- a/gcc/tree-ssa-loop-ivopts.c +++ b/gcc/tree-ssa-loop-ivopts.c @@ -7286,12 +7286,13 @@ rewrite_use_nonlinear_expr (struct ivopts_data *data, } comp = fold_convert (type, comp); - if (!valid_gimple_rhs_p (comp) - || (gimple_code (use->stmt) != GIMPLE_PHI - /* We can't allow re-allocating the stmt as it might be pointed - to still. */ - && (get_gimple_rhs_num_ops (TREE_CODE (comp)) - >= gimple_num_ops (gsi_stmt (bsi))))) + comp = force_gimple_operand (comp, &seq, false, NULL); + gimple_seq_add_seq (&stmt_list, seq); + if (gimple_code (use->stmt) != GIMPLE_PHI + /* We can't allow re-allocating the stmt as it might be pointed + to still. */ + && (get_gimple_rhs_num_ops (TREE_CODE (comp)) + >= gimple_num_ops (gsi_stmt (bsi)))) { comp = force_gimple_operand (comp, &seq, true, NULL); gimple_seq_add_seq (&stmt_list, seq); |