From: Jeff Law <law@redhat.com>
Date: Thu, 16 Feb 2017 06:35:29 +0000 (-0700)
Subject: re PR middle-end/79521 (Bootstrap failure on i686-linux starting with r245436)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2c2d5d00f8f01da6610d23517c53adca824796e5;p=gcc.git

re PR middle-end/79521 (Bootstrap failure on i686-linux starting with r245436)

	PR middle-end/79521
	* ira-costs.c (scan_one_insn): Check have_regs_of_mode before calling
	ira_init_register_move_cost_if_necessary.

From-SVN: r245500
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d99f4445d8b..24d9c1589f4 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2017-02-15 Jeff Law  <law@redhat.com>
+
+	PR middle-end/79521
+	* ira-costs.c (scan_one_insn): Check have_regs_of_mode before calling
+	ira_init_register_move_cost_if_necessary.
+
 2017-02-15  Martin Sebor  <msebor@redhat.com>
 
 	PR middle-end/32003
diff --git a/gcc/ira-costs.c b/gcc/ira-costs.c
index 17374301456..9cf01194225 100644
--- a/gcc/ira-costs.c
+++ b/gcc/ira-costs.c
@@ -1452,7 +1452,8 @@ scan_one_insn (rtx_insn *insn)
     {
       rtx x = XEXP (PATTERN (insn), 0);
       if (GET_CODE (x) == REG
-	  && REGNO (x) >= FIRST_PSEUDO_REGISTER)
+	  && REGNO (x) >= FIRST_PSEUDO_REGISTER
+	  && have_regs_of_mode[GET_MODE (x)])
         ira_init_register_move_cost_if_necessary (GET_MODE (x));
       return insn;
     }