From: Richard Biener Date: Wed, 14 Apr 2021 10:48:37 +0000 (+0200) Subject: Avoid more temporaries in IVOPTs X-Git-Tag: basepoints/gcc-13~8232 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b26485f1af45423980b7bc1206411cf4b8bb84b6;p=thirdparty%2Fgcc.git 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 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Avoid valid_gimple_rhs_p by instead gimplifying to one. --- diff --git a/gcc/tree-ssa-loop-ivopts.c b/gcc/tree-ssa-loop-ivopts.c index 4012ae3f19dd..12a8a49a3071 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);