From: Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
Date: Tue, 13 Dec 2011 20:12:08 +0000 (+0000)
Subject: regmove.c (fixup_match_2): Only access call_used_regs with hard regs.
X-Git-Tag: releases/gcc-4.4.7~142
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7a0a573ad9250c3f1e3806b3b9b39221459b3b9f;p=thirdparty%2Fgcc.git

regmove.c (fixup_match_2): Only access call_used_regs with hard regs.

2011-12-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* regmove.c (fixup_match_2): Only access call_used_regs with hard
	regs.

From-SVN: r182303
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 34f81dfc2e54..f01c00de6ca3 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2011-12-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
+
+	* regmove.c (fixup_match_2): Only access call_used_regs with hard
+	regs.
+
 2011-12-09  Kazu Hirata  <kazu@codesourcery.com>
 
 	Backport from mainline:
diff --git a/gcc/regmove.c b/gcc/regmove.c
index 8ce0ea00da71..d5f5c4d8452f 100644
--- a/gcc/regmove.c
+++ b/gcc/regmove.c
@@ -871,7 +871,7 @@ fixup_match_2 (rtx insn, rtx dst, rtx src, rtx offset)
 	  if (REG_N_CALLS_CROSSED (REGNO (src)) == 0)
 	    break;
 
-	  if (call_used_regs [REGNO (dst)]
+	  if ((HARD_REGISTER_P (dst) && call_used_regs [REGNO (dst)])
 	      || find_reg_fusage (p, CLOBBER, dst))
 	    break;
 	}