Re: op_seq (was: Freeing code)

[perl5.git] / op.h

diff --git a/op.h b/op.h
index bd267b5..c9f1139 100644 (file)
--- a/op.h
+++ b/op.h
@@ -17,6 +17,12 @@
  *                     parent takes over role of remembering starting op.)
  *     op_ppaddr       Pointer to current ppcode's function.
  *     op_type         The type of the operation.
+ *     op_opt          Whether or not the op has been optimised by the
+ *                     peephole optimiser.
+ *     op_static       Whether or not the op is statically defined.
+ *                     This flag is used by the B::C compiler backend
+ *                     and indicates that the op should not be freed.
+ *     op_spare        Five spare bits!
  *     op_flags        Flags common to all operations.  See OPf_* below.
  *     op_private      Flags peculiar to a particular operation (BUT,
  *                     by default, set to the number of children until
@@ -38,8 +44,10 @@
     OP*                op_sibling;             \
     OP*                (CPERLscope(*op_ppaddr))(pTHX);         \
     PADOFFSET  op_targ;                \
-    OPCODE     op_type;                \
-    U16                op_seq;                 \
+    unsigned   op_type:9;              \
+    unsigned   op_opt:1;               \
+    unsigned   op_static:1;            \
+    unsigned   op_spare:5;             \
     U8         op_flags;               \
     U8         op_private;
 #endif