re PR target/48723 (ICE on function returning structure with -fstack-check on corei7-avx)

	PR target/48723
	* config/i386/i386.c (ix86_expand_prologue): Update m->fs.sp_offset
	after the call to ix86_adjust_stack_and_probe.

testsuite/ChangeLog:

	PR target/48723
	* gcc.target/i386/pr48723.c: New test.

From-SVN: r172866

gcc/ChangeLog

+2011-04-22  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/48723
+	* config/i386/i386.c (ix86_expand_prologue): Update m->fs.sp_offset
+	after the call to ix86_adjust_stack_and_probe.
+
 2011-04-22  Joseph Myers  <joseph@codesourcery.com>
 
 	* config/bfin/bfin-protos.h (Mmode): Don't define.  Expand
@@ -12,8 +18,7 @@
 2011-04-22  Martin Jambor  <mjambor@suse.cz>
 
 	PR middle-end/48585
-	* tree-inline.c (copy_bb): Create new edges only for analyzed
-	nodes.
+	* tree-inline.c (copy_bb): Create new edges only for analyzed nodes.
 
 2011-04-22  Alexander Monakov  <amonakov@ispras.ru>
 
@@ -89,8 +94,7 @@
 	(expand_stack_vars): ...and here.
 	(stack_var_cmp): Sort by descending order of size.
 	(partition_stack_vars): Change heuristic.
-	(union_stack_vars): Fix to reflect changes in
-	partition_stack_vars.
+	(union_stack_vars): Fix to reflect changes in partition_stack_vars.
 	(dump_stack_var_partition): Add newline after each partition.
 
 2011-04-21  Dimitrios Apostolou  <jimis@gmx.net>
@@ -103,8 +107,7 @@
 2011-04-21  Richard Guenther  <rguenther@suse.de>
 
 	PR lto/48703
-	* tree.c (free_lang_data_in_decl): Do not zero TREE_TYPE of
-	DECL_NAME.
+	* tree.c (free_lang_data_in_decl): Do not zero TREE_TYPE of DECL_NAME.
 
 2011-04-21  Eric Botcazou  <ebotcazou@adacore.com>
 

gcc/config/i386/i386.c

@@ -10628,6 +10628,7 @@ ix86_expand_prologue (void)
       if (STACK_CHECK_MOVING_SP)
 	{
 	  ix86_adjust_stack_and_probe (allocate);
+	  m->fs.sp_offset += allocate;
 	  allocate = 0;
 	}
       else

gcc/testsuite/ChangeLog

+2011-04-22  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/48723
+	* gcc.target/i386/pr48723.c: New test.
+
 2011-04-22  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c/48716

gcc/testsuite/gcc.target/i386/pr48723.c

+/* { dg-do compile } */
+/* { dg-options "-fstack-check -mavx" } */
+
+struct S0
+{
+  int f0, f1, f2, f3;
+} g_106;
+
+struct S0
+func_99 ()
+{
+  return (g_106);
+}