* config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):

	Define.
	* config/iq2000/iq2000.md: Translate old pipeline description to an
	equivalent new one.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@84094 138bc75d-0d04-0410-961f-82ee72b054a4

2 files changed, 22 insertions, 21 deletions

diff --git a/gcc/config/iq2000/iq2000.c b/gcc/config/iq2000/iq2000.c
index 786a7b6c91e..b2e117a9676 100644
--- a/gcc/config/iq2000/iq2000.c
+++ b/gcc/config/iq2000/iq2000.c
@@ -200,6 +200,9 @@ static bool iq2000_return_in_memory   (tree, tree);
 #undef  TARGET_STRICT_ARGUMENT_NAMING
 #define TARGET_STRICT_ARGUMENT_NAMING	hook_bool_CUMULATIVE_ARGS_true
 
+#undef TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE
+#define TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE hook_int_void_1
+
 struct gcc_target targetm = TARGET_INITIALIZER;
 
 /* Return 1 if OP can be used as an operand where a register or 16 bit unsigned
diff --git a/gcc/config/iq2000/iq2000.md b/gcc/config/iq2000/iq2000.md
index e5a04b27e62..97b7cc6360f 100644
--- a/gcc/config/iq2000/iq2000.md
+++ b/gcc/config/iq2000/iq2000.md
@@ -18,9 +18,6 @@
 ;; the Free Software Foundation, 59 Temple Place - Suite 330,
 ;; Boston, MA 02111-1307, USA.
 
-;; ??? Currently does not have define_function_unit support for the R8000.
-;; Must include new entries for fmadd in addition to existing entries.
-
 (define_constants
   [(UNSPEC_ADO16 0)
    (UNSPEC_RAM	1)
@@ -201,33 +198,34 @@
 
 ;; .........................
 ;;
-;;	Functional units
+;;	Pipeline model
 ;;
 ;; .........................
 
-; (define_function_unit NAME MULTIPLICITY SIMULTANEITY
-;			TEST READY-DELAY ISSUE-DELAY [CONFLICT-LIST])
-
-;; Make the default case (PROCESSOR_DEFAULT) handle the worst case
+(define_automaton "iq2000")
+(define_cpu_unit "core,memory" "iq2000")
 
-(define_function_unit "memory" 1 0
-  (and (eq_attr "type" "load")
-       (eq_attr "cpu" "iq2000"))
-  3 0)
+(define_insn_reservation "nonmemory" 1
+  (eq_attr "type" "!load,move,store,xfer")
+  "core")
 
-(define_function_unit "memory" 1 0
-  (and (eq_attr "type" "move")
+(define_insn_reservation "iq2000_load_move" 3
+  (and (eq_attr "type" "load,move")
        (eq_attr "cpu" "iq2000"))
-  3 0)
+  "memory")
 
-(define_function_unit "memory" 1 0
-  (and (eq_attr "type" "arith")
-       (eq_attr "cpu" "iq2000"))
-  3 0)
+(define_insn_reservation "other_load_move" 1
+  (and (eq_attr "type" "load,move")
+       (eq_attr "cpu" "!iq2000"))
+  "memory")
 
-(define_function_unit "memory"   1 0 (eq_attr "type" "store") 1 0)
+(define_insn_reservation "store" 1
+  (eq_attr "type" "store")
+  "memory")
 
-(define_function_unit "memory"   1 0 (eq_attr "type" "xfer") 2 0)
+(define_insn_reservation "xfer" 2
+  (eq_attr "type" "xfer")
+  "memory")
 
 ;;
 ;;  ....................