From c38c11a10aecab37d938dee5a22276e3304fdd53 Mon Sep 17 00:00:00 2001
From: Alan Modra <amodra@gmail.com>
Date: Fri, 27 May 2016 03:08:36 +0930
Subject: [PATCH] ira.c bb_loop_depth
PR rtl-optimization/71275
* ira.c (ira): Call loop_optimizer_init to set up bb_loop_depth
for update_equiv_regs and combine_and_move_insns.
From-SVN: r236789
---
gcc/ChangeLog | 6 ++++++
gcc/ira.c | 2 ++
2 files changed, 8 insertions(+)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5a76af4c9e92..30c86158de8b 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2016-05-27 Alan Modra <amodra@gmail.com>
+
+ PR rtl-optimization/71275
+ * ira.c (ira): Call loop_optimizer_init to set up bb_loop_depth
+ for update_equiv_regs and combine_and_move_insns.
+
2016-05-26 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.md (*movqi_internal) <attr "isa">: Use
diff --git a/gcc/ira.c b/gcc/ira.c
index 55b4bd700be8..1b269eac32c4 100644
--- a/gcc/ira.c
+++ b/gcc/ira.c
@@ -5171,6 +5171,7 @@ ira (FILE *f)
ira_set_pseudo_classes (true, ira_dump_file);
init_alias_analysis ();
+ loop_optimizer_init (AVOID_CFG_MODIFICATIONS);
reg_equiv = XCNEWVEC (struct equivalence, max_reg_num ());
update_equiv_regs ();
@@ -5186,6 +5187,7 @@ ira (FILE *f)
if (optimize)
add_store_equivs ();
+ loop_optimizer_finalize ();
end_alias_analysis ();
free (reg_equiv);
--
GitLab