From: Bob Manson <manson@charmed.cygnus.com>
Date: Fri, 15 May 1998 17:44:21 +0000 (+0000)
Subject: Patch from Bob Manson.
X-Git-Tag: prereleases/egcs-1.1-prerelease~1279
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=92834d7d83c3cf2e798407bad2435a3aa6c716e8;p=thirdparty%2Fgcc.git

Patch from Bob Manson.

	* config/rs6000/rs6000.c (rs6000_stack_info): Align the stack bottom
	to an 8-byte boundary if info_ptr->fpmem_p.

From-SVN: r19780
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 05787f8ae525..1cb532e3ce96 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+Fri May 15 17:42:52 1998  Bob Manson  <manson@charmed.cygnus.com>
+
+	* config/rs6000/rs6000.c (rs6000_stack_info): Align the stack bottom
+	to an 8-byte boundary if info_ptr->fpmem_p.
+
 Fri May 15 17:36:11 1998  Bill Moyer <ttk@cygnus.com>
 
         * loop.c (basic_induction_var): Added test preventing
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index d0663d7a65bb..635054fb015c 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -3205,6 +3205,13 @@ rs6000_stack_info ()
 	info_ptr->cr_size = reg_size;
     }
 
+  /* Ensure that fp_save_offset will be aligned to an 8-byte boundary. */
+  if (info_ptr->fpmem_p)
+    {
+      info_ptr->gp_size = RS6000_ALIGN (info_ptr->gp_size, 8);
+      info_ptr->main_size = RS6000_ALIGN (info_ptr->main_size, 8);
+    }
+
   /* Determine various sizes */
   info_ptr->reg_size     = reg_size;
   info_ptr->fixed_size   = RS6000_SAVE_AREA;