Revert "Make NumMicroOps a variable in the subtarget's instruction itinerary."

[oota-llvm.git] / include / llvm / Target / TargetSchedule.td

diff --git a/include/llvm/Target/TargetSchedule.td b/include/llvm/Target/TargetSchedule.td
index caa5a84c83df9f7ed454bbfea50469d8e6197b95..e22e67cdac298f1c70e11a1393dd6b5a47b9ceff 100644 (file)
--- a/include/llvm/Target/TargetSchedule.td
+++ b/include/llvm/Target/TargetSchedule.td
@@ -73,20 +73,20 @@ class InstrStage<int cycles, list<FuncUnit> units,
 // across all chip sets.  Thus a new chip set can be added without modifying
 // instruction information.
 //
-class InstrItinClass;
+// NumMicroOps represents the number of micro-operations that each instruction
+// in the class are decoded to. If the number is zero, then it means the
+// instruction can decode into variable number of micro-ops and it must be
+// determined dynamically.
+//
+class InstrItinClass<int ops = 1> {
+  int NumMicroOps = ops;
+}
 def NoItinerary : InstrItinClass;
 
 //===----------------------------------------------------------------------===//
 // Instruction itinerary data - These values provide a runtime map of an
 // instruction itinerary class (name) to its itinerary data.
 //
-// NumMicroOps represents the number of micro-operations that each instruction
-// in the class are decoded to. If the number is zero, then it means the
-// instruction can decode into variable number of micro-ops and it must be
-// determined dynamically. This directly relates to the itineraries
-// global IssueWidth property, which constrains the number of microops
-// that can issue per cycle.
-//
 // OperandCycles are optional "cycle counts". They specify the cycle after
 // instruction issue the values which correspond to specific operand indices
 // are defined or read. Bypasses are optional "pipeline forwarding pathes", if
@@ -106,9 +106,8 @@ def NoItinerary : InstrItinClass;
 // is reduced by 1.
 class InstrItinData<InstrItinClass Class, list<InstrStage> stages,
                     list<int> operandcycles = [],
-                    list<Bypass> bypasses = [], int uops = 1> {
+                    list<Bypass> bypasses = []> {
   InstrItinClass TheClass = Class;
-  int NumMicroOps = uops;
   list<InstrStage> Stages = stages;
   list<int> OperandCycles = operandcycles;
   list<Bypass> Bypasses = bypasses;