From: David Edelsohn <edelsohn@gnu.org>
Date: Fri, 3 Sep 2004 01:12:30 +0000 (+0000)
Subject: rs6000.c (expand_block_move): Use SImode and HImode with STRICT_ALIGNMENT.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=cd7d9ca495768408221349309a0e5ea0f46c6b75;p=gcc.git

rs6000.c (expand_block_move): Use SImode and HImode with STRICT_ALIGNMENT.

        * config/rs6000/rs6000.c (expand_block_move): Use SImode and
        HImode with STRICT_ALIGNMENT.

From-SVN: r87021
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 96eb1b86835..ab1327ba75e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2004-09-02  David Edelsohn  <edelsohn@gnu.org>
+
+	* config/rs6000/rs6000.c (expand_block_move): Use SImode and
+	HImode with STRICT_ALIGNMENT.
+
 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
 
 	* config/arm/bpabi.h (TARGET_BPABI_CPP_BUILTINS): Define.
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 335dbe3d16e..1881fc198c7 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -8510,13 +8510,13 @@ expand_block_move (rtx operands[])
 	  move_bytes = (bytes > 8) ? 8 : bytes;
 	  gen_func.movmemsi = gen_movmemsi_2reg;
 	}
-      else if (bytes >= 4 && !STRICT_ALIGNMENT)
+      else if (bytes >= 4 && (align >= 32 || !STRICT_ALIGNMENT))
 	{			/* move 4 bytes */
 	  move_bytes = 4;
 	  mode = SImode;
 	  gen_func.mov = gen_movsi;
 	}
-      else if (bytes == 2 && !STRICT_ALIGNMENT)
+      else if (bytes == 2 && (align >= 16 || !STRICT_ALIGNMENT))
 	{			/* move 2 bytes */
 	  move_bytes = 2;
 	  mode = HImode;