-/* stack element structure ****************************************************/
-
-/* flags */
-
-#define SAVEDVAR 1 /* variable has to survive method invocations */
-#define INMEMORY 2 /* variable stored in memory */
-#define SAVREG 4 /* allocated to a saved register */
-#define ARGREG 8 /* allocated to an arg register */
-#define PASSTHROUGH 32 /* stackslot was passed-through by an ICMD */
-#define PREALLOC 64 /* preallocated var like for ARGVARS. Used */
- /* with the new var system */
-#define INOUT 128 /* variable is an invar or/and an outvar */
-
-#define IS_SAVEDVAR(x) ((x) & SAVEDVAR)
-#define IS_INMEMORY(x) ((x) & INMEMORY)
-
-
-/* variable kinds */
-
-#define UNDEFVAR 0 /* stack slot will become temp during regalloc*/
-#define TEMPVAR 1 /* stack slot is temp register */
-#define STACKVAR 2 /* stack slot is numbered stack slot */
-#define LOCALVAR 3 /* stack slot is local variable */
-#define ARGVAR 4 /* stack slot is argument variable */
-
-
-struct stackelement {
- stackptr prev; /* pointer to next element towards bottom */
- instruction *creator; /* instruction that created this element */
- s4 type; /* slot type of stack element */
- s4 flags; /* flags (SAVED, INMEMORY) */
- s4 varkind; /* kind of variable or register */
- s4 varnum; /* number of variable */
-};
-