From: Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
Date: Tue, 2 Apr 2002 12:00:30 +0000 (+0000)
Subject: stor-layout.c (layout_type, [...]): Give one-element array the same mode as its compo... 
X-Git-Tag: releases/gcc-3.3.0~5955
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=a14713223feae48a1a8c6b5883e9fedcfce44894;p=thirdparty%2Fgcc.git

stor-layout.c (layout_type, [...]): Give one-element array the same mode as its component.

	* stor-layout.c (layout_type, case ARRAY_TYPE): Give one-element array
	the same mode as its component.

From-SVN: r51745
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 8fa21c477244..3cb11a0e5351 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+Tue Apr  2 06:47:40 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* stor-layout.c (layout_type, case ARRAY_TYPE): Give one-element array
+	the same mode as its component.
+
 2002-04-02  Richard Henderson  <rth@redhat.com>
 
 	PR opt/190
diff --git a/gcc/stor-layout.c b/gcc/stor-layout.c
index 829500007beb..baf26dddba1a 100644
--- a/gcc/stor-layout.c
+++ b/gcc/stor-layout.c
@@ -1584,8 +1584,13 @@ layout_type (type)
 	    && (TYPE_MODE (TREE_TYPE (type)) != BLKmode
 		|| TYPE_NO_FORCE_BLK (TREE_TYPE (type))))
 	  {
-	    TYPE_MODE (type)
-	      = mode_for_size_tree (TYPE_SIZE (type), MODE_INT, 1);
+	    /* One-element arrays get the component type's mode.  */
+	    if (simple_cst_equal (TYPE_SIZE (type),
+				  TYPE_SIZE (TREE_TYPE (type))))
+	      TYPE_MODE (type) = TYPE_MODE (TREE_TYPE (type));
+	    else
+	      TYPE_MODE (type)
+		= mode_for_size_tree (TYPE_SIZE (type), MODE_INT, 1);
 
 	    if (TYPE_MODE (type) != BLKmode
 		&& STRICT_ALIGNMENT && TYPE_ALIGN (type) < BIGGEST_ALIGNMENT