From: Bernd Schmidt <bernds@redhat.com>
Date: Fri, 6 Apr 2001 13:41:39 +0000 (+0000)
Subject: Fix argument passing on ppc
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=53635efcf437296c9bdab1a3084bcfd91c80f324;p=thirdparty%2Fgcc.git

Fix argument passing on ppc

From-SVN: r41152
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 94272ff9502a..b2dbfbe63eb8 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,8 @@
 2001-04-06  Bernd Schmidt  <bernds@redhat.com>
 
+	2000-10-17  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+	* function.c (locate_and_pad_parm): Don't align stack unconditionally.
+
 	Thu Oct 28 10:20:02 1999  Geoffrey Keating  <geoffk@cygnus.com>
 	* config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
 	of the function return register into a plain REG until
diff --git a/gcc/function.c b/gcc/function.c
index 5a7a2e2ed32e..f715eaad9f88 100644
--- a/gcc/function.c
+++ b/gcc/function.c
@@ -5334,7 +5334,18 @@ locate_and_pad_parm (passed_mode, type, in_regs, fndecl,
 				- offset_ptr->constant); 
     }
 #else /* !ARGS_GROW_DOWNWARD */
-  pad_to_arg_alignment (initial_offset_ptr, boundary);
+  if (!in_regs 
+#ifdef REG_PARM_STACK_SPACE
+      || REG_PARM_STACK_SPACE (fndecl) > 0
+#else
+      /* For the gcc-2_95-branch we want to make sure not to break something
+         on platforms which pass argument in registers but don't define
+         REG_PARM_STACK_SPACE. So we force the original behaviour here.  */
+      || 1
+#endif
+      )
+    pad_to_arg_alignment (initial_offset_ptr, boundary);
+
   *offset_ptr = *initial_offset_ptr;
 
 #ifdef PUSH_ROUNDING