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1 files changed, 178 insertions, 0 deletions

diff --git a/gcc/config/bfin/sync.md b/gcc/config/bfin/sync.md
new file mode 100644
index 000000000..7025af497
--- /dev/null
+++ b/gcc/config/bfin/sync.md
@@ -0,0 +1,178 @@
+;; GCC machine description for Blackfin synchronization instructions.
+;; Copyright (C) 2005, 2006, 2007 Free Software Foundation, Inc.
+;; Contributed by Analog Devices.
+;;
+;; 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/>.
+
+(define_code_iterator FETCHOP [plus minus ior and xor])
+(define_code_attr fetchop_name
+  [(plus "add") (minus "sub") (ior "ior") (and "and") (xor "xor")])
+(define_code_attr fetchop_addr
+  [(plus "1072") (minus "1088") (ior "1104") (and "1120") (xor "1136")])
+
+(define_insn "sync_<fetchop_name>si_internal"
+  [(set (mem:SI (match_operand:SI 0 "register_operand" "qA"))
+	(unspec:SI
+	  [(FETCHOP:SI (mem:SI (match_dup 0))
+	     (match_operand:SI 1 "register_operand" "q0"))
+	   (match_operand:SI 2 "register_no_elim_operand" "a")]
+	  UNSPEC_ATOMIC))
+   (clobber (match_scratch:SI 3 "=q0"))
+   (clobber (match_scratch:SI 4 "=q1"))
+   (clobber (reg:SI REG_RETS))]
+  "TARGET_SUPPORTS_SYNC_CALLS"
+  "call (%2);"
+  [(set_attr "type" "call")])
+
+(define_expand "sync_<fetchop_name>si"
+  [(parallel
+    [(set (match_operand:SI 0 "memory_operand" "+m")
+	  (unspec:SI
+	   [(FETCHOP:SI (match_dup 0)
+			(match_operand:SI 1 "register_operand" "q0"))
+	    (match_dup 2)]
+	   UNSPEC_ATOMIC))
+     (clobber (match_scratch:SI 3 ""))
+     (clobber (match_scratch:SI 4 ""))
+     (clobber (reg:SI REG_RETS))])]
+  "TARGET_SUPPORTS_SYNC_CALLS"
+{
+  if (!REG_P (XEXP (operands[0], 0)))
+    {
+      operands[0] = shallow_copy_rtx (operands[0]);
+      XEXP (operands[0], 0) = force_reg (Pmode, XEXP (operands[0], 0));
+    }
+  operands[2] = force_reg (Pmode, GEN_INT (<fetchop_addr>));
+})
+
+(define_insn "sync_old_<fetchop_name>si_internal"
+  [(set (match_operand:SI 0 "register_operand" "=q1")
+	(mem:SI (match_operand:SI 1 "register_operand" "qA")))
+   (set (mem:SI (match_dup 1))
+	(unspec:SI
+	  [(FETCHOP:SI (mem:SI (match_dup 1))
+	     (match_operand:SI 2 "register_operand" "q0"))
+	   (match_operand:SI 3 "register_no_elim_operand" "a")]
+	  UNSPEC_ATOMIC))
+   (clobber (match_scratch:SI 4 "=q0"))
+   (clobber (reg:SI REG_RETS))]
+  "TARGET_SUPPORTS_SYNC_CALLS"
+  "call (%3);"
+  [(set_attr "type" "call")])
+
+(define_expand "sync_old_<fetchop_name>si"
+  [(parallel
+    [(set (match_operand:SI 0 "register_operand" "")
+	  (match_operand:SI 1 "memory_operand" ""))
+     (set (match_dup 1)
+	  (unspec:SI
+	   [(FETCHOP:SI (match_dup 1)
+			(match_operand:SI 2 "register_operand" ""))
+	    (match_dup 3)]
+	   UNSPEC_ATOMIC))
+     (clobber (match_scratch:SI 4 ""))
+     (clobber (reg:SI REG_RETS))])]
+  "TARGET_SUPPORTS_SYNC_CALLS"
+{
+  if (!REG_P (XEXP (operands[1], 0)))
+    {
+      operands[1] = shallow_copy_rtx (operands[1]);
+      XEXP (operands[1], 0) = force_reg (Pmode, XEXP (operands[1], 0));
+    }
+  operands[3] = force_reg (Pmode, GEN_INT (<fetchop_addr>));
+})
+
+(define_insn "sync_new_<fetchop_name>si_internal"
+  [(set (match_operand:SI 0 "register_operand" "=q0")
+	(unspec:SI
+	  [(FETCHOP:SI
+	    (mem:SI (match_operand:SI 1 "register_operand" "qA"))
+	    (match_operand:SI 2 "register_operand" "q0"))
+	   (match_operand:SI 3 "register_no_elim_operand" "a")]
+	  UNSPEC_ATOMIC))
+   (set (mem:SI (match_dup 1))
+	(unspec:SI
+	  [(FETCHOP:SI (mem:SI (match_dup 1)) (match_dup 2))
+	   (match_dup 3)]
+	  UNSPEC_ATOMIC))
+   (clobber (match_scratch:SI 4 "=q1"))
+   (clobber (reg:SI REG_RETS))]
+  "TARGET_SUPPORTS_SYNC_CALLS"
+  "call (%3);"
+  [(set_attr "type" "call")])
+
+(define_expand "sync_new_<fetchop_name>si"
+  [(parallel
+    [(set (match_operand:SI 0 "register_operand" "")
+	  (unspec:SI
+	   [(FETCHOP:SI (match_operand:SI 1 "memory_operand" "")
+			(match_operand:SI 2 "register_operand" ""))
+	    (match_dup 3)]
+	   UNSPEC_ATOMIC))
+     (set (match_dup 1)
+	  (unspec:SI
+	   [(FETCHOP:SI (match_dup 1) (match_dup 2))
+	    (match_dup 3)]
+	   UNSPEC_ATOMIC))
+     (clobber (match_scratch:SI 4 ""))
+     (clobber (reg:SI REG_RETS))])]
+  "TARGET_SUPPORTS_SYNC_CALLS"
+{
+  if (!REG_P (XEXP (operands[1], 0)))
+    {
+      operands[1] = shallow_copy_rtx (operands[1]);
+      XEXP (operands[1], 0) = force_reg (Pmode, XEXP (operands[1], 0));
+    }
+  operands[3] = force_reg (Pmode, GEN_INT (<fetchop_addr>));
+})
+
+(define_insn "sync_compare_and_swapsi_internal"
+  [(set (match_operand:SI 0 "register_operand" "=q0")
+	(mem:SI (match_operand:SI 1 "register_operand" "qA")))
+   (set (mem:SI (match_dup 1))
+	(unspec:SI
+	  [(mem:SI (match_dup 1))
+	   (match_operand:SI 2 "register_operand" "q1")
+	   (match_operand:SI 3 "register_operand" "q2")
+	   (match_operand:SI 4 "register_no_elim_operand" "a")]
+	  UNSPEC_ATOMIC))
+   (clobber (reg:SI REG_RETS))]
+  "TARGET_SUPPORTS_SYNC_CALLS"
+  "call (%4);"
+  [(set_attr "type" "call")])
+
+(define_expand "sync_compare_and_swapsi"
+  [(parallel
+    [(set (match_operand:SI 0 "register_operand" "")
+	  (match_operand:SI 1 "memory_operand" ""))
+     (set (match_dup 1)
+	  (unspec:SI
+	   [(match_dup 1)
+	    (match_operand:SI 2 "register_operand" "")
+	    (match_operand:SI 3 "register_operand" "")
+	    (match_dup 4)]
+	   UNSPEC_ATOMIC))
+     (clobber (reg:SI REG_RETS))])]
+  "TARGET_SUPPORTS_SYNC_CALLS"
+{
+  if (!REG_P (XEXP (operands[1], 0)))
+    {
+      operands[1] = shallow_copy_rtx (operands[1]);
+      XEXP (operands[1], 0) = force_reg (Pmode, XEXP (operands[1], 0));
+    }
+  operands[4] = force_reg (Pmode, GEN_INT (0x420));
+})