From: uweigand <uweigand@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Fri, 12 Sep 2008 13:31:51 +0000 (+0000)
Subject: 	* emit-rtl.c (set_reg_attrs_from_value): Fix invalid alignment
X-Git-Url: http://git.sourceforge.jp/view?a=commitdiff_plain;h=40b93dba3decd72c7e309030ea72afc3a6510e8b;p=pf3gnuchains%2Fgcc-fork.git

	* emit-rtl.c (set_reg_attrs_from_value): Fix invalid alignment
	information passed to mark_reg_pointer.
	* explow.c (force_reg): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@140318 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 653dc51e059..f499e2fe04a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,11 @@
 2008-09-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 
+	* emit-rtl.c (set_reg_attrs_from_value): Fix invalid alignment
+	information passed to mark_reg_pointer.
+	* explow.c (force_reg): Likewise.
+
+2008-09-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
+
 	* config/spu/spu.c (spu_override_options): Default to -mno-safe-hints
 	when building for the celledp architecture.
 
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c
index 0efce7e2434..318ae775330 100644
--- a/gcc/emit-rtl.c
+++ b/gcc/emit-rtl.c
@@ -979,7 +979,7 @@ set_reg_attrs_from_value (rtx reg, rtx x)
 	REG_ATTRS (reg)
 	  = get_reg_attrs (MEM_EXPR (x), INTVAL (MEM_OFFSET (x)) + offset);
       if (MEM_POINTER (x))
-	mark_reg_pointer (reg, MEM_ALIGN (x));
+	mark_reg_pointer (reg, 0);
     }
   else if (REG_P (x))
     {
diff --git a/gcc/explow.c b/gcc/explow.c
index a1f76506023..498d40e284e 100644
--- a/gcc/explow.c
+++ b/gcc/explow.c
@@ -698,10 +698,8 @@ force_reg (enum machine_mode mode, rtx x)
 
 	align = MIN (sa, ca);
       }
-    else if (MEM_P (x) && MEM_POINTER (x))
-      align = MEM_ALIGN (x);
 
-    if (align)
+    if (align || (MEM_P (x) && MEM_POINTER (x)))
       mark_reg_pointer (temp, align);
   }