From: Jakub Jelinek <jakub@redhat.com>
Date: Wed, 22 Mar 2000 07:58:53 +0000 (+0100)
Subject: sparc.c (mem_min_alignment): If not optimizing...
X-Git-Tag: prereleases/libstdc++-2.92~7550
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=021e2ecc828d414a5fcd36ae52bcf1e157c2fcfb;p=thirdparty%2Fgcc.git

sparc.c (mem_min_alignment): If not optimizing...

	* config/sparc/sparc.c (mem_min_alignment): If not optimizing,
	we cannot be sure that if reload_completed base register will
	be properly aligned.

From-SVN: r32682
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c3bc6c5e9bb6..cd24b1eaaf25 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2000-03-21  Jakub Jelinek  <jakub@redhat.com>
+
+	* config/sparc/sparc.c (mem_min_alignment): If not optimizing,
+	we cannot be sure that if reload_completed base register will
+	be properly aligned.
+
 2000-03-21  Richard Henderson  <rth@cygnus.com>
 
         * flow.c (delete_block): Fix typo last change.
diff --git a/gcc/config/sparc/sparc.c b/gcc/config/sparc/sparc.c
index f7e0c22a865f..5a9c87b1f1e8 100644
--- a/gcc/config/sparc/sparc.c
+++ b/gcc/config/sparc/sparc.c
@@ -2825,9 +2825,11 @@ mem_min_alignment (mem, desired)
 	{
 	  /* Check if the compiler has recorded some information
 	     about the alignment of the base REG.  If reload has
-	     completed, we already matched with proper alignments.  */
+	     completed, we already matched with proper alignments.
+	     If not running global_alloc, reload might give us
+	     unaligned pointer to local stack though.  */
 	  if (((cfun != 0 && REGNO_POINTER_ALIGN (regno) >= desired)
-	       || reload_completed)
+	       || (optimize && reload_completed))
 	      && ((INTVAL (offset) & (desired - 1)) == 0))
 	    return 1;
 	}