From 1536b6ab5405e87b082c305321f382345d20f604 Mon Sep 17 00:00:00 2001 From: Martin Jambor Date: Wed, 9 Jun 2010 13:20:03 +0200 Subject: re PR tree-optimization/44423 (Massive performance regression in SSE code due to SRA) 2010-06-09 Martin Jambor PR tree-optimization/44423 * tree-sra.c (dump_access): Dump also grp_assignment_read. (analyze_access_subtree): Pass negative allow_replacements to children if the current type is scalar. * testsuite/gcc.dg/tree-ssa/pr44423.c: New test. From-SVN: r160462 --- gcc/tree-sra.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'gcc/tree-sra.c') diff --git a/gcc/tree-sra.c b/gcc/tree-sra.c index 702187c..5387a19 100644 --- a/gcc/tree-sra.c +++ b/gcc/tree-sra.c @@ -356,13 +356,13 @@ dump_access (FILE *f, struct access *access, bool grp) print_generic_expr (f, access->type, 0); if (grp) fprintf (f, ", grp_write = %d, total_scalarization = %d, " - "grp_read = %d, grp_hint = %d, " + "grp_read = %d, grp_hint = %d, grp_assignment_read = %d," "grp_covered = %d, grp_unscalarizable_region = %d, " "grp_unscalarized_data = %d, grp_partial_lhs = %d, " "grp_to_be_replaced = %d, grp_maybe_modified = %d, " "grp_not_necessarilly_dereferenced = %d\n", access->grp_write, access->total_scalarization, - access->grp_read, access->grp_hint, + access->grp_read, access->grp_hint, access->grp_assignment_read, access->grp_covered, access->grp_unscalarizable_region, access->grp_unscalarized_data, access->grp_partial_lhs, access->grp_to_be_replaced, access->grp_maybe_modified, @@ -1791,7 +1791,8 @@ analyze_access_subtree (struct access *root, bool allow_replacements, else covered_to += child->size; - sth_created |= analyze_access_subtree (child, allow_replacements, + sth_created |= analyze_access_subtree (child, + allow_replacements && !scalar, mark_read, mark_write); root->grp_unscalarized_data |= child->grp_unscalarized_data; -- cgit v1.1