nv50/ir: print SUBFM subops

Only 3d subop is currently emitted.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>

src/gallium/drivers/nouveau/codegen/nv50_ir_print.cpp

@@ -204,6 +204,11 @@ static const char *ldstSubOpStr[] =
    "", "lock", "unlock"
 };
 
+static const char *subfmOpStr[] =
+{
+   "", "3d"
+};
+
 static const char *DataTypeStr[] =
 {
    "-",
@@ -548,6 +553,10 @@ void Instruction::print() const
          if (subOp < Elements(ldstSubOpStr))
             PRINT("%s ", ldstSubOpStr[subOp]);
          break;
+      case OP_SUBFM:
+         if (subOp < Elements(subfmOpStr))
+            PRINT("%s ", subfmOpStr[subOp]);
+         break;
       default:
          if (subOp)
             PRINT("(SUBOP:%u) ", subOp);