re PR target/23539 (C & C++ compiler generating misaligned references regardless...

        PR target/23539
        * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
        bytes >= 2 not bytes == 2.
        (expand_block_move): Same.

From-SVN: r103564

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c8123f27dc25d53c04c92d1bba648408607fa0da..d37b25e7e30a2ca30c26100f56e1f981b4c9c4b3 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2005-08-27  David Edelsohn  <edelsohn@gnu.org>
+
+       PR target/23539
+        * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
+        bytes >= 2 not bytes == 2.
+       (expand_block_move): Same.
+
 2005-08-27  Richard Guenther  <rguenther@suse.de>
 
        PR target/23575

diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index edb3d84c522f9a9925857c3a6a6e686e6f8fb292..2ec59fac8839642a4709448637cbae0f81308db2 100644 (file)
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -9133,7 +9133,7 @@ expand_block_clear (rtx operands[])
          clear_bytes = 4;
          mode = SImode;
        }
-      else if (bytes == 2 && (align >= 16 || !STRICT_ALIGNMENT))
+      else if (bytes >= 2 && (align >= 16 || !STRICT_ALIGNMENT))
        {                       /* move 2 bytes */
          clear_bytes = 2;
          mode = HImode;
@@ -9269,7 +9269,7 @@ expand_block_move (rtx operands[])
          mode = SImode;
          gen_func.mov = gen_movsi;
        }
-      else if (bytes == 2 && (align >= 16 || !STRICT_ALIGNMENT))
+      else if (bytes >= 2 && (align >= 16 || !STRICT_ALIGNMENT))
        {                       /* move 2 bytes */
          move_bytes = 2;
          mode = HImode;