From: Richard Henderson <rth@redhat.com>
Date: Thu, 7 Jul 2005 21:04:31 +0000 (-0700)
Subject: function.c (locate_and_pad_parm): Record parameter alignment in stack_alignment_needed.
X-Git-Tag: misc/cutover-cvs2svn~1859
X-Git-Url: https://gcc.gnu.org/git/?a=commitdiff_plain;h=c7e777b576030f9357a037122e219684da1ad201;p=gcc.git

function.c (locate_and_pad_parm): Record parameter alignment in stack_alignment_needed.

        * function.c (locate_and_pad_parm): Record parameter alignment in
        stack_alignment_needed.

From-SVN: r101732
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1536408978b2..dbc36f7e2b41 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2005-07-07  Richard Henderson  <rth@redhat.com>
+
+	* function.c (locate_and_pad_parm): Record parameter alignment in
+	stack_alignment_needed.
+
 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
 
 	* config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
diff --git a/gcc/function.c b/gcc/function.c
index 1979185fd74a..3fcc8b86089c 100644
--- a/gcc/function.c
+++ b/gcc/function.c
@@ -3256,7 +3256,7 @@ locate_and_pad_parm (enum machine_mode passed_mode, tree type, int in_regs,
 {
   tree sizetree;
   enum direction where_pad;
-  int boundary;
+  unsigned int boundary;
   int reg_parm_stack_space = 0;
   int part_size_in_regs;
 
@@ -3291,6 +3291,13 @@ locate_and_pad_parm (enum machine_mode passed_mode, tree type, int in_regs,
   locate->where_pad = where_pad;
   locate->boundary = boundary;
 
+  /* Remember if the outgoing parameter requires extra alignment on the
+     calling function side.  */
+  if (boundary > PREFERRED_STACK_BOUNDARY)
+    boundary = PREFERRED_STACK_BOUNDARY;
+  if (cfun->stack_alignment_needed < boundary)
+    cfun->stack_alignment_needed = boundary;
+
 #ifdef ARGS_GROW_DOWNWARD
   locate->slot_offset.constant = -initial_offset_ptr->constant;
   if (initial_offset_ptr->var)