From: David Edelsohn <edelsohn@gnu.org>
Date: Wed, 31 Aug 2005 14:28:38 +0000 (+0000)
Subject: re PR target/23539 (C & C++ compiler generating misaligned references regardless... 
X-Git-Tag: releases/gcc-3.4.5~229
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=91f7219855644a82a94e6bf035db1b9adc3bb65b;p=thirdparty%2Fgcc.git

re PR target/23539 (C & C++ compiler generating misaligned references regardless of compiler flags)

        PR target/23539
        Backport from mainline:

        2005-08-27  David Edelsohn  <edelsohn@gnu.org>
        * config/rs6000/rs6000.c (expand_block_move): Use HImode when
        bytes >= 2 not bytes == 2.

From-SVN: r103675
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1420fbb53f52..a46e80e1a07a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,12 @@
+2005-08-31  David Edelsohn  <edelsohn@gnu.org>
+
+        PR target/23539
+	Backport from mainline:
+
+	2005-08-27  David Edelsohn  <edelsohn@gnu.org>
+        * config/rs6000/rs6000.c (expand_block_move): Use HImode when
+        bytes >= 2 not bytes == 2.
+
 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
 
 	* simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 1ffd4da16796..c914ac116ea2 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -7856,7 +7856,7 @@ expand_block_move (rtx operands[])
 	  mode = SImode;
 	  gen_func.mov = gen_movsi;
 	}
-      else if (bytes == 2 && (align >= 2 || ! STRICT_ALIGNMENT))
+      else if (bytes >= 2 && (align >= 2 || ! STRICT_ALIGNMENT))
 	{			/* move 2 bytes */
 	  move_bytes = 2;
 	  mode = HImode;