From: Jakub Jelinek <jakub@redhat.com>
Date: Sun, 21 Aug 2005 13:37:02 +0000 (+0200)
Subject: simplify-rtx.c (simplify_immed_subreg): Only clear up to elem_bitsize bits, not max_b... 
X-Git-Tag: releases/gcc-3.4.5~246
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=239adbd033c9587a1f6cf33b59f685987001e76b;p=thirdparty%2Fgcc.git

simplify-rtx.c (simplify_immed_subreg): Only clear up to elem_bitsize bits, not max_bitsize.

	* simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
	up to elem_bitsize bits, not max_bitsize.

	* gcc.target/i386/sse-4.c: New test.

From-SVN: r103321
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 55210c9005e9..1420fbb53f52 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2005-08-21  Jakub Jelinek  <jakub@redhat.com>
+
+	* simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
+	up to elem_bitsize bits, not max_bitsize.
+
 2005-07-20  Steve Ellcey  <sje@cup.hp.com>
 
 	PR target/21841
diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c
index fb222f7ae6bd..7c0263061ae4 100644
--- a/gcc/simplify-rtx.c
+++ b/gcc/simplify-rtx.c
@@ -3126,7 +3126,7 @@ simplify_immed_subreg (enum machine_mode outermode, rtx op,
 		}
 	      /* It shouldn't matter what's done here, so fill it with
 		 zero.  */
-	      for (; i < max_bitsize; i += value_bit)
+	      for (; i < elem_bitsize; i += value_bit)
 		*vp++ = 0;
 	    }
 	  else if (GET_MODE_CLASS (GET_MODE (el)) == MODE_FLOAT)