From 11f2ce1f49f480c7ef0951bdee5c35bd7449f2bd Mon Sep 17 00:00:00 2001
From: Maya Rashish <coypu@sdf.org>
Date: Tue, 1 Oct 2019 19:25:31 +0000
Subject: [PATCH] re PR target/85401 (segfault building code for VAX)

	PR target/85401
	* ira-color.c (allocno_copy_cost_saving): Call
	ira_init_register_move_cost_if_necessary.

From-SVN: r276426
---
 gcc/ChangeLog   | 6 ++++++
 gcc/ira-color.c | 1 +
 2 files changed, 7 insertions(+)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0f96dde03c4..4ca92c2fd21 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2019-10-01  Maya Rashish  <coypu@sdf.org>
+
+	PR target/85401
+	* ira-color.c (allocno_copy_cost_saving): Call
+	ira_init_register_move_cost_if_necessary.
+
 2019-10-01  Maciej W. Rozycki  <macro@wdc.com>
 
 	* Makefile.in (gnat_install_lib): New variable.
diff --git a/gcc/ira-color.c b/gcc/ira-color.c
index 42309b99e69..ce5141bd48f 100644
--- a/gcc/ira-color.c
+++ b/gcc/ira-color.c
@@ -2817,6 +2817,7 @@ allocno_copy_cost_saving (ira_allocno_t allocno, int hard_regno)
 	}
       else
 	gcc_unreachable ();
+      ira_init_register_move_cost_if_necessary (allocno_mode);
       cost += cp->freq * ira_register_move_cost[allocno_mode][rclass][rclass];
     }
   return cost;