Assert unhandled case.

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

diff --git a/lib/Target/Target.td b/lib/Target/Target.td
index f146ed35c7db879e84e925797ae2df350d2cbb2b..10d458eb8aa29cd320fed0676ee9f2badd42931a 100644 (file)
--- a/lib/Target/Target.td
+++ b/lib/Target/Target.td
@@ -173,6 +173,10 @@ class Instruction {
   InstrItinClass Itinerary = NoItinerary;// Execution steps used for scheduling.
 
   string Constraints = "";
+  
+  /// DisableEncoding - List of operand names (e.g. "$op1,$op2") that should not
+  /// be encoded into the output machineinstr.
+  string DisableEncoding = "";
 }
 
 /// Imp - Helper class for specifying the implicit uses/defs set for an
@@ -222,6 +226,17 @@ 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.
 //