Add all implicit defs to FP_REG_KILL mi.

[oota-llvm.git] / lib / Target / Target.td

diff --git a/lib/Target/Target.td b/lib/Target/Target.td
index bb87265be3b0d8b11a999963ed36f56b82b12833..0f2b0348bef52d40749e9161dd3ace81a0bd8b03 100644 (file)
--- a/lib/Target/Target.td
+++ b/lib/Target/Target.td
@@ -171,6 +171,8 @@ class Instruction {
   bit noResults    = 0;     // Does this instruction produce no results?
   
   InstrItinClass Itinerary = NoItinerary;// Execution steps used for scheduling.
+
+  string Constraints = "";
 }
 
 /// Imp - Helper class for specifying the implicit uses/defs set for an
@@ -211,7 +213,6 @@ def ptr_rc;
 class Operand<ValueType ty> {
   ValueType Type = ty;
   string PrintMethod = "printOperand";
-  int NumMIOperands = 1;
   dag MIOperandInfo = (ops);
 }
 
@@ -221,6 +222,17 @@ def i16imm : Operand<i16>;
 def i32imm : Operand<i32>;
 def i64imm : Operand<i64>;
 
+
+/// PredicateOperand - This can be used to define a predicate operand for an
+/// instruction.  OpTypes specifies the MIOperandInfo for the operand, and
+/// AlwaysVal specifies the value of this predicate when set to "always
+/// execute".
+class PredicateOperand<dag OpTypes, dag AlwaysVal> : Operand<OtherVT> {
+  let MIOperandInfo = OpTypes;
+  dag ExecuteAlways = AlwaysVal;
+}
+
+
 // InstrInfo - This class should only be instantiated once to provide parameters
 // which are global to the the target machine.
 //