+2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
+ sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
+
2006-02-06 Daniel Berlin <dberlin@dberlin.org>
* tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
;; GCC machine description for i386 synchronization instructions.
-;; Copyright (C) 2005
+;; Copyright (C) 2005, 2006
;; Free Software Foundation, Inc.
;;
;; This file is part of GCC.
"xchg{<modesuffix>}\t{%1, %0|%0, %1}")
(define_insn "sync_add<mode>"
- [(set (match_operand:IMODE 0 "memory_operand" "=m")
+ [(set (match_operand:IMODE 0 "memory_operand" "+m")
(unspec_volatile:IMODE
[(plus:IMODE (match_dup 0)
(match_operand:IMODE 1 "nonmemory_operand" "r<immconstraint>"))]
"lock\;add{<modesuffix>}\t{%1, %0|%0, %1}")
(define_insn "sync_sub<mode>"
- [(set (match_operand:IMODE 0 "memory_operand" "=m")
+ [(set (match_operand:IMODE 0 "memory_operand" "+m")
(unspec_volatile:IMODE
[(minus:IMODE (match_dup 0)
(match_operand:IMODE 1 "nonmemory_operand" "r<immconstraint>"))]
"lock\;sub{<modesuffix>}\t{%1, %0|%0, %1}")
(define_insn "sync_ior<mode>"
- [(set (match_operand:IMODE 0 "memory_operand" "=m")
+ [(set (match_operand:IMODE 0 "memory_operand" "+m")
(unspec_volatile:IMODE
[(ior:IMODE (match_dup 0)
(match_operand:IMODE 1 "nonmemory_operand" "r<immconstraint>"))]
"lock\;or{<modesuffix>}\t{%1, %0|%0, %1}")
(define_insn "sync_and<mode>"
- [(set (match_operand:IMODE 0 "memory_operand" "=m")
+ [(set (match_operand:IMODE 0 "memory_operand" "+m")
(unspec_volatile:IMODE
[(and:IMODE (match_dup 0)
(match_operand:IMODE 1 "nonmemory_operand" "r<immconstraint>"))]
"lock\;and{<modesuffix>}\t{%1, %0|%0, %1}")
(define_insn "sync_xor<mode>"
- [(set (match_operand:IMODE 0 "memory_operand" "=m")
+ [(set (match_operand:IMODE 0 "memory_operand" "+m")
(unspec_volatile:IMODE
[(xor:IMODE (match_dup 0)
(match_operand:IMODE 1 "nonmemory_operand" "r<immconstraint>"))]