s390.md (UNSPEC_MB): Rename from UNSPECV_MB.

	* config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
	(memory_barrier): Expand as unspec instead of unspec_volatile.
	Remove mem:BLK from insn operands.  Use Pmode scratch register.
	(*memory_barrier): Define as unspec instead of unspec_volatile.
	Use (match_dup 0) as input operand.

	* config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
	* config/sparc/sync.md (memory_barrier): Expand as unspec instead of
	unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
	scratch register.  Remove operand 1.
	(*stbar): Define as unspec instead of unspec_volatile.
	Use (match_dup 0) as input operand, remove (const_int 8).
	(*membar): Define as unspec instead of unspec_volatile.
	Use (match_dup 0) as input operand, remove input operand 2.

	* config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
	(memory_barrier): Expand as unspec instead of unspec_volatile.
	Remove mem:BLK from insn operands.  Use Pmode scratch register.
	(*memory_barrier): Define as unspec instead of unspec_volatile.
	Use (match_dup 0) as input operand.

	* config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
	Remove mem:BLK from insn operands.  Use Pmode scratch register.
	Set volatile flag on operand 0.
	(*memory_barrier): New insn pattern.

	* config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
	insn operands.
	(*memory_barrier): Use (match_dup 0) as input operand.

	* config/mips/sync.md (memory_barrier): Redefine as expander pattern.
	Remove mem:BLK from insn operands.  Use Pmode scratch register.
	Set volatile flag on operand 0.
	(*memory_barrier): New insn pattern.

	* config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.

From-SVN: r143047

gcc/ChangeLog

+2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
+
+	* config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
+	(memory_barrier): Expand as unspec instead of unspec_volatile.
+	Remove mem:BLK from insn operands.  Use Pmode scratch register.
+	(*memory_barrier): Define as unspec instead of unspec_volatile.
+	Use (match_dup 0) as input operand.
+
+	* config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
+	* config/sparc/sync.md (memory_barrier): Expand as unspec instead of
+	unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
+	scratch register.  Remove operand 1.
+	(*stbar): Define as unspec instead of unspec_volatile.
+	Use (match_dup 0) as input operand, remove (const_int 8).
+	(*membar): Define as unspec instead of unspec_volatile.
+	Use (match_dup 0) as input operand, remove input operand 2.
+
+	* config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
+	(memory_barrier): Expand as unspec instead of unspec_volatile.
+	Remove mem:BLK from insn operands.  Use Pmode scratch register.
+	(*memory_barrier): Define as unspec instead of unspec_volatile.
+	Use (match_dup 0) as input operand.
+
+	* config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
+	Remove mem:BLK from insn operands.  Use Pmode scratch register.
+	Set volatile flag on operand 0.
+	(*memory_barrier): New insn pattern.
+
+	* config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
+	insn operands.
+	(*memory_barrier): Use (match_dup 0) as input operand.
+
+	* config/mips/sync.md (memory_barrier): Redefine as expander pattern.
+	Remove mem:BLK from insn operands.  Use Pmode scratch register.
+	Set volatile flag on operand 0.
+	(*memory_barrier): New insn pattern.
+
+	* config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
+
 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
 
 	PR middle-end/38586

gcc/config/alpha/sync.md

@@ -36,7 +36,7 @@
   MEM_VOLATILE_P (operands[0]) = 1;
 })
 
-(define_insn "*mb_internal"
+(define_insn "*memory_barrier"
   [(set (match_operand:BLK 0 "" "")
 	(unspec:BLK [(match_dup 0)] UNSPEC_MB))]
   ""

gcc/config/ia64/sync.md

@@ -27,9 +27,18 @@
 (define_code_attr fetchop_name
   [(plus "add") (minus "sub") (ior "ior") (xor "xor") (and "and")])
 
-(define_insn "memory_barrier"
-  [(set (mem:BLK (match_scratch:DI 0 "X"))
-	(unspec:BLK [(mem:BLK (match_scratch:DI 1 "X"))] UNSPEC_MF))]
+(define_expand "memory_barrier"
+  [(set (match_dup 0)
+	(unspec:BLK [(match_dup 0)] UNSPEC_MF))]
+  ""
+{
+  operands[0] = gen_rtx_MEM (BLKmode, gen_rtx_SCRATCH (Pmode));
+  MEM_VOLATILE_P (operands[0]) = 1;
+})
+
+(define_insn "*memory_barrier"
+  [(set (match_operand:BLK 0 "" "")
+	(unspec:BLK [(match_dup 0)] UNSPEC_MF))]
   ""
   "mf"
   [(set_attr "itanium_class" "syst_m")])

gcc/config/mips/sync.md

@@ -27,9 +27,18 @@
 
 ;; Atomic memory operations.
 
-(define_insn "memory_barrier"
-  [(set (mem:BLK (scratch))
-        (unspec:BLK [(const_int 0)] UNSPEC_MEMORY_BARRIER))]
+(define_expand "memory_barrier"
+  [(set (match_dup 0)
+	(unspec:BLK [(match_dup 0)] UNSPEC_MEMORY_BARRIER))]
+  "GENERATE_SYNC"
+{
+  operands[0] = gen_rtx_MEM (BLKmode, gen_rtx_SCRATCH (Pmode));
+  MEM_VOLATILE_P (operands[0]) = 1;
+})
+
+(define_insn "*mb_internal"
+  [(set (match_operand:BLK 0 "" "")
+	(unspec:BLK [(match_dup 0)] UNSPEC_MEMORY_BARRIER))]
   "GENERATE_SYNC"
   "%|sync%-")
 

gcc/config/rs6000/sync.md

@@ -33,8 +33,8 @@
   [(plus "rIL") (minus "r") (ior "rKJF") (xor "rKJF") (and "rSTKJ")])
 
 (define_expand "memory_barrier"
-  [(set (mem:BLK (match_dup 0))
-	(unspec:BLK [(mem:BLK (match_dup 0))] UNSPEC_SYNC))]
+  [(set (match_dup 0)
+	(unspec:BLK [(match_dup 0)] UNSPEC_SYNC))]
   ""
 {
   operands[0] = gen_rtx_MEM (BLKmode, gen_rtx_SCRATCH (Pmode));
@@ -43,7 +43,7 @@
 
 (define_insn "*sync_internal"
   [(set (match_operand:BLK 0 "" "")
-	(unspec:BLK [(match_operand:BLK 1 "" "")] UNSPEC_SYNC))]
+	(unspec:BLK [(match_dup 0)] UNSPEC_SYNC))]
   ""
   "{dcs|sync}"
   [(set_attr "type" "sync")])

gcc/config/s390/s390.md

@@ -82,6 +82,9 @@
    (UNSPEC_INSN			213)
    (UNSPEC_EXECUTE		214)
 
+   ; Atomic Support
+   (UNSPEC_MB			400)
+
    ; TLS relocation specifiers
    (UNSPEC_TLSGD		500)
    (UNSPEC_TLSLDM		501)
@@ -132,8 +135,7 @@
    (UNSPECV_SET_TP		500)
 
    ; Atomic Support
-   (UNSPECV_MB			700)
-   (UNSPECV_CAS			701)
+   (UNSPECV_CAS			700)
   ])
 
 ;;
@@ -8183,20 +8185,21 @@
 ;
 
 (define_expand "memory_barrier"
-  [(set (mem:BLK (match_dup 0))
-	(unspec_volatile:BLK [(mem:BLK (match_dup 0))] UNSPECV_MB))]
+  [(set (match_dup 0)
+	(unspec:BLK [(match_dup 0)] UNSPEC_MB))]
   ""
 {
-  operands[0] = gen_rtx_MEM (BLKmode, gen_rtx_SCRATCH (DImode));
+  operands[0] = gen_rtx_MEM (BLKmode, gen_rtx_SCRATCH (Pmode));
   MEM_VOLATILE_P (operands[0]) = 1;
 })
 
 (define_insn "*memory_barrier"
   [(set (match_operand:BLK 0 "" "")
-	(unspec_volatile:BLK [(match_operand:BLK 1 "" "")] UNSPECV_MB))]
+	(unspec:BLK [(match_dup 0)] UNSPEC_MB))]
   ""
   "bcr\t15,0"
   [(set_attr "op_type" "RR")])
+
 ; Although bcr is superscalar on Z10, this variant will never become part of
 ; an execution group.
 

gcc/config/sparc/sparc.md

@@ -38,6 +38,8 @@
    (UNSPEC_EMB_TEXTULO		15)
    (UNSPEC_EMB_SETHM		18)
 
+   (UNSPEC_MEMBAR		20)
+
    (UNSPEC_TLSGD		30)
    (UNSPEC_TLSLDM		31)
    (UNSPEC_TLSLDO		32)
@@ -68,7 +70,6 @@
    (UNSPECV_FLUSH		4)
    (UNSPECV_SETJMP		5)
    (UNSPECV_SAVEW		6)
-   (UNSPECV_MEMBAR		7)
    (UNSPECV_CAS			8)
    (UNSPECV_SWAP		9)
    (UNSPECV_LDSTUB		10)

gcc/config/sparc/sync.md

@@ -24,36 +24,28 @@
 (define_mode_attr modesuffix [(SI "") (DI "x")])
 
 (define_expand "memory_barrier"
-  [(set (mem:BLK (match_dup 0))
-	(unspec_volatile:BLK [(mem:BLK (match_dup 0)) (match_dup 1)]
-			     UNSPECV_MEMBAR))]
+  [(set (match_dup 0)
+	(unspec:BLK [(match_dup 0)] UNSPEC_MEMBAR))]
   "TARGET_V8 || TARGET_V9"
 {
-  operands[0] = gen_rtx_MEM (BLKmode, gen_rtx_SCRATCH (DImode));
+  operands[0] = gen_rtx_MEM (BLKmode, gen_rtx_SCRATCH (Pmode));
   MEM_VOLATILE_P (operands[0]) = 1;
-  if (TARGET_V9)
-    /* member #StoreStore | #LoadStore | #StoreLoad | #LoadLoad */
-    operands[1] = GEN_INT (15);
-  else
-    /* stbar */
-    operands[1] = GEN_INT (8);
+
 })
 
 (define_insn "*stbar"
   [(set (match_operand:BLK 0 "" "")
-	(unspec_volatile:BLK [(match_operand:BLK 1 "" "")
-			      (const_int 8)] UNSPECV_MEMBAR))]
+	(unspec:BLK [(match_dup 0)] UNSPEC_MEMBAR))]
   "TARGET_V8"
   "stbar"
   [(set_attr "type" "multi")])
 
+;; membar #StoreStore | #LoadStore | #StoreLoad | #LoadLoad
 (define_insn "*membar"
   [(set (match_operand:BLK 0 "" "")
-	(unspec_volatile:BLK [(match_operand:BLK 1 "" "")
-			      (match_operand:SI 2 "immediate_operand" "I")]
-			      UNSPECV_MEMBAR))]
+	(unspec:BLK [(match_dup 0)] UNSPEC_MEMBAR))]
   "TARGET_V9"
-  "membar\t%2"
+  "membar\t15"
   [(set_attr "type" "multi")])
 
 (define_expand "sync_compare_and_swap<mode>"

gcc/config/xtensa/xtensa.md

@@ -35,10 +35,10 @@
   (UNSPEC_TLS_ARG	8)
   (UNSPEC_TLS_CALL	9)
   (UNSPEC_TP		10)
+  (UNSPEC_MEMW		11)
 
   (UNSPECV_SET_FP	1)
   (UNSPECV_ENTRY	2)
-  (UNSPECV_MEMW		3)
   (UNSPECV_S32RI	4)
   (UNSPECV_S32C1I	5)
   (UNSPECV_EH_RETURN	6)
@@ -1819,17 +1819,17 @@
 ;; Atomic operations
 
 (define_expand "memory_barrier"
-  [(set (mem:BLK (match_dup 0))
-	(unspec_volatile:BLK [(mem:BLK (match_dup 0))] UNSPECV_MEMW))]
+  [(set (match_dup 0)
+	(unspec:BLK [(match_dup 0)] UNSPEC_MEMW))]
   ""
 {
-  operands[0] = gen_rtx_MEM (BLKmode, gen_rtx_SCRATCH (SImode));
+  operands[0] = gen_rtx_MEM (BLKmode, gen_rtx_SCRATCH (Pmode));
   MEM_VOLATILE_P (operands[0]) = 1;
 })
 
 (define_insn "*memory_barrier"
   [(set (match_operand:BLK 0 "" "")
-	(unspec_volatile:BLK [(match_operand:BLK 1 "" "")] UNSPECV_MEMW))]
+	(unspec:BLK [(match_dup 0)] UNSPEC_MEMW))]
   ""
   "memw"
   [(set_attr "type"	"unknown")