Add gcc-4.6. Synced to @180989

Change-Id: Ie3676586e1d8e3c8cd9f07d022f450d05fa08439
svn://gcc.gnu.org/svn/gcc/branches/google/gcc-4_6-mobile

1 files changed, 111 insertions, 0 deletions

diff --git a/gcc-4.6/gcc/config/vax/predicates.md b/gcc-4.6/gcc/config/vax/predicates.md
new file mode 100644
index 000000000..775ddcddf
--- /dev/null
+++ b/gcc-4.6/gcc/config/vax/predicates.md
@@ -0,0 +1,111 @@
+;; Predicate definitions for DEC VAX.
+;; Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+;;
+;; This file is part of GCC.
+;;
+;; GCC is free software; you can redistribute it and/or modify it under
+;; the terms of the GNU General Public License as published by the Free
+;; Software Foundation; either version 3, or (at your option) any later
+;; version.
+;;
+;; GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+;; WARRANTY; without even the implied warranty of MERCHANTABILITY or
+;; FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+;; for more details.
+;;
+;; You should have received a copy of the GNU General Public License
+;; along with GCC; see the file COPYING3.  If not see
+;; <http://www.gnu.org/licenses/>.
+
+;; Special case of a symbolic operand that's used as a
+;; operand.
+
+(define_predicate "symbolic_operand"
+  (match_code "const,symbol_ref,label_ref"))
+
+(define_predicate "local_symbolic_operand"
+  (match_code "const,symbol_ref,label_ref")
+{
+  if (GET_CODE (op) == LABEL_REF)
+    return 1;
+  if (GET_CODE (op) == SYMBOL_REF)
+    return !flag_pic || SYMBOL_REF_LOCAL_P (op);
+  if (GET_CODE (XEXP (XEXP (op, 0), 0)) == LABEL_REF)
+    return 1;
+  return !flag_pic || SYMBOL_REF_LOCAL_P (XEXP (XEXP (op, 0), 0));
+})
+
+(define_predicate "external_symbolic_operand"
+  (and (match_code "symbol_ref")
+       (not (match_operand 0 "local_symbolic_operand" ""))))
+
+(define_predicate "external_const_operand"
+  (and (match_code "const")
+       (match_test "GET_CODE (XEXP (XEXP (op, 0), 0)) == SYMBOL_REF
+		    && !SYMBOL_REF_LOCAL_P (XEXP (XEXP (op, 0), 0))")))
+
+(define_predicate "nonsymbolic_operand"
+  (and (ior (match_test "!flag_pic")
+	    (not (match_operand 0 "symbolic_operand")))
+       (match_operand 0 "general_operand" "")))
+
+(define_predicate "external_memory_operand"
+   (match_code "mem")
+{
+  rtx addr = XEXP (op, 0);
+  if (MEM_P (addr))
+    addr = XEXP (addr, 0);
+  if (GET_CODE (addr) == PLUS)
+    addr = XEXP (addr, 1);
+  if (MEM_P (addr))
+    addr = XEXP (addr, 0);
+  if (GET_CODE (addr) == PLUS)
+    addr = XEXP (addr, 1);
+  return external_symbolic_operand (addr, SImode)
+	 || external_const_operand (addr, SImode);
+})
+
+(define_predicate "indirect_memory_operand"
+   (match_code "mem")
+{
+  op = XEXP (op, 0);
+  if (MEM_P (op))
+    return 1;
+  if (GET_CODE (op) == PLUS)
+    op = XEXP (op, 1);
+  return MEM_P (op);
+})
+
+(define_predicate "indexed_memory_operand"
+   (match_code "mem")
+{
+  op = XEXP (op, 0);
+  return GET_CODE (op) != PRE_DEC && GET_CODE (op) != POST_INC
+	 && mode_dependent_address_p (op);
+})
+
+(define_predicate "illegal_blk_memory_operand"
+   (and (match_code "mem")
+	(ior (and (match_test "flag_pic")
+		  (match_operand 0 "external_memory_operand" ""))
+	     (ior (match_operand 0 "indexed_memory_operand" "")
+		  (ior (match_operand 0 "indirect_memory_operand" "")
+		       (match_test "GET_CODE (XEXP (op, 0)) == PRE_DEC"))))))
+
+(define_predicate "illegal_addsub_di_memory_operand"
+   (and (match_code "mem")
+	(ior (and (match_test "flag_pic")
+		  (match_operand 0 "external_memory_operand" ""))
+	     (ior (match_operand 0 "indexed_memory_operand" "")
+		  (ior (match_operand 0 "indirect_memory_operand" "")
+		       (match_test "GET_CODE (XEXP (op, 0)) == PRE_DEC"))))))
+
+(define_predicate "nonimmediate_addsub_di_operand"
+   (and (match_code "subreg,reg,mem")
+	(and (match_operand:DI 0 "nonimmediate_operand" "")
+	     (not (match_operand:DI 0 "illegal_addsub_di_memory_operand")))))
+
+(define_predicate "general_addsub_di_operand"
+   (and (match_code "const_int,const_double,subreg,reg,mem")
+	(and (match_operand:DI 0 "general_operand" "")
+	     (not (match_operand:DI 0 "illegal_addsub_di_memory_operand")))))