From: David S. Miller <davem@redhat.com>
Date: Mon, 15 Apr 2002 23:12:58 +0000 (-0700)
Subject: rtlanal.c (note_stores): Don't present PARALLEL SET_DESTs as being CLOBBERed.
X-Git-Tag: releases/gcc-3.3.0~5681
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=629111c7320f72d55769c15453aa75cc96877c04;p=thirdparty%2Fgcc.git

rtlanal.c (note_stores): Don't present PARALLEL SET_DESTs as being CLOBBERed.

2002-04-15  David S. Miller  <davem@redhat.com>

	* rtlanal.c (note_stores): Don't present PARALLEL SET_DESTs
	as being CLOBBERed.

From-SVN: r52343
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 915a13c7a2bd..f111f2f2aa98 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2002-04-15  David S. Miller  <davem@redhat.com>
+
+	* rtlanal.c (note_stores): Don't present PARALLEL SET_DESTs
+	as being CLOBBERed.
+
 2002-04-16  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c/6290
diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c
index 07cb6d8d6a73..3d90ae7fde91 100644
--- a/gcc/rtlanal.c
+++ b/gcc/rtlanal.c
@@ -1622,17 +1622,12 @@ note_stores (x, fun, data)
 	dest = XEXP (dest, 0);
 
       /* If we have a PARALLEL, SET_DEST is a list of EXPR_LIST expressions,
-	 each of whose first operand is a register.  We can't know what
-	 precisely is being set in these cases, so make up a CLOBBER to pass
-	 to the function.  */
+	 each of whose first operand is a register.  */
       if (GET_CODE (dest) == PARALLEL)
 	{
 	  for (i = XVECLEN (dest, 0) - 1; i >= 0; i--)
 	    if (XEXP (XVECEXP (dest, 0, i), 0) != 0)
-	      (*fun) (XEXP (XVECEXP (dest, 0, i), 0),
-		      gen_rtx_CLOBBER (VOIDmode,
-				       XEXP (XVECEXP (dest, 0, i), 0)),
-		      data);
+	      (*fun) (XEXP (XVECEXP (dest, 0, i), 0), x, data);
 	}
       else
 	(*fun) (dest, x, data);