re PR target/65697 (__atomic memory barriers not strong enough for __sync builtins)

[gcc.git] / gcc / targhooks.c

diff --git a/gcc/targhooks.c b/gcc/targhooks.c
index eedcc80ce7a00e178ece3ad8a75640f55a21fac9..4e970573dd4d745a109e7c179b7420bfb4810400 100644 (file)
--- a/gcc/targhooks.c
+++ b/gcc/targhooks.c
@@ -1,5 +1,5 @@
 /* Default target hook functions.
-   Copyright (C) 2003-2014 Free Software Foundation, Inc.
+   Copyright (C) 2003-2015 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -50,23 +50,28 @@ along with GCC; see the file COPYING3.  If not see
 #include "system.h"
 #include "coretypes.h"
 #include "tm.h"
-#include "machmode.h"
 #include "rtl.h"
+#include "alias.h"
+#include "symtab.h"
 #include "tree.h"
+#include "fold-const.h"
 #include "stor-layout.h"
 #include "varasm.h"
+#include "hard-reg-set.h"
+#include "function.h"
+#include "flags.h"
+#include "insn-config.h"
+#include "expmed.h"
+#include "dojump.h"
+#include "explow.h"
+#include "calls.h"
+#include "emit-rtl.h"
+#include "stmt.h"
 #include "expr.h"
 #include "output.h"
 #include "diagnostic-core.h"
-#include "hashtab.h"
-#include "hash-set.h"
-#include "vec.h"
-#include "hard-reg-set.h"
-#include "input.h"
-#include "function.h"
 #include "target.h"
 #include "tm_p.h"
-#include "target-def.h"
 #include "regs.h"
 #include "reload.h"
 #include "insn-codes.h"
@@ -897,6 +902,13 @@ default_branch_target_register_class (void)
   return NO_REGS;
 }
 
+reg_class_t
+default_ira_change_pseudo_allocno_class (int regno ATTRIBUTE_UNUSED,
+                                        reg_class_t cl)
+{
+  return cl;
+}
+
 extern bool
 default_lra_p (void)
 {
@@ -1769,12 +1781,11 @@ std_gimplify_va_arg_expr (tree valist, tree type, gimple_seq *pre_p,
   unsigned HOST_WIDE_INT align, boundary;
   bool indirect;
 
-#ifdef ARGS_GROW_DOWNWARD
   /* All of the alignment and movement below is for args-grow-up machines.
      As of 2004, there are only 3 ARGS_GROW_DOWNWARD targets, and they all
      implement their own specialized gimplify_va_arg_expr routines.  */
-  gcc_unreachable ();
-#endif
+  if (ARGS_GROW_DOWNWARD)
+    gcc_unreachable ();
 
   indirect = pass_by_reference (NULL, TYPE_MODE (type), type, false);
   if (indirect)