From: DJ Delorie <dj@redhat.com>
Date: Tue, 21 Jan 2014 04:30:45 +0000 (-0500)
Subject: rl78.c (rl78_propogate_register_origins): Verify that CLOBBERs are REGs before propog... 
X-Git-Tag: releases/gcc-4.9.0~1504
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=84db09e3c260b7dfc0f652387e3aa28f04626e70;p=thirdparty%2Fgcc.git

rl78.c (rl78_propogate_register_origins): Verify that CLOBBERs are REGs before propogating their values.

* config/rl78/rl78.c (rl78_propogate_register_origins): Verify
that CLOBBERs are REGs before propogating their values.

From-SVN: r206867
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a666d2e10460..45304e908e56 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2014-01-20  DJ Delorie  <dj@redhat.com>
+
+	* config/rl78/rl78.c (rl78_propogate_register_origins): Verify
+	that CLOBBERs are REGs before propogating their values.
+
 2014-01-20  H.J. Lu  <hongjiu.lu@intel.com>
 
 	PR middle-end/59789
diff --git a/gcc/config/rl78/rl78.c b/gcc/config/rl78/rl78.c
index dd8fc55a2009..227a39be6f29 100644
--- a/gcc/config/rl78/rl78.c
+++ b/gcc/config/rl78/rl78.c
@@ -3426,7 +3426,8 @@ rl78_propogate_register_origins (void)
 	    {
 	      rtx clobber = XVECEXP (pat, 0, 1);
 	      pat = XVECEXP (pat, 0, 0);
-	      if (GET_CODE (clobber) == CLOBBER)
+	      if (GET_CODE (clobber) == CLOBBER
+		  && GET_CODE (XEXP (clobber, 0)) == REG)
 		{
 		  int cr = REGNO (XEXP (clobber, 0));
 		  int mb = GET_MODE_SIZE (GET_MODE (XEXP (clobber, 0)));
@@ -3569,7 +3570,8 @@ rl78_propogate_register_origins (void)
 		    }
 		}
 	    }
-	  else if (GET_CODE (pat) == CLOBBER)
+	  else if (GET_CODE (pat) == CLOBBER
+		   && GET_CODE (XEXP (pat, 0)) == REG)
 	    {
 	      if (REG_P (XEXP (pat, 0)))
 		{