More enhancements to register optimization algorithms.

[fw/sdcc] / src / pic / ralloc.h

diff --git a/src/pic/ralloc.h b/src/pic/ralloc.h
index ee2ee7149142356c586e622ea31064696533a303..a330ece3593f856b0cac826e5c20d26b0ac83f91 100644 (file)
--- a/src/pic/ralloc.h
+++ b/src/pic/ralloc.h
@@ -28,6 +28,7 @@
 #ifndef SDCCRALLOC_H
 #define SDCCRALLOC_H 1
 
+#include "pcoderegs.h"
 
 
 enum
@@ -39,12 +40,20 @@ enum
     X12_IDX, CND_IDX
   };
 
-
-#define REG_PTR 0x01
-#define REG_GPR 0x02
-#define REG_CND 0x04
-#define REG_SFR 0x08
-#define REG_STK 0x10  /* Use a register as a psuedo stack */
+enum {
+ REG_PTR=1,
+ REG_GPR,
+ REG_CND,
+ REG_SFR,
+ REG_STK,
+ REG_TMP
+};
+//#define REG_PTR 0x01
+//#define REG_GPR 0x02
+//#define REG_CND 0x04
+//#define REG_SFR 0x08
+//#define REG_STK 0x10  /* Use a register as a psuedo stack */
+//#define REG_TMP 0x20  
 
 /* definition for the registers */
 typedef struct regs
@@ -68,20 +77,36 @@ typedef struct regs
     unsigned alias;             /* Alias mask if register appears in multiple banks */
     struct regs *reg_alias;     /* If more than one register share the same address 
                                 * then they'll point to each other. (primarily for bits)*/
+    pCodeRegLives reglives; /* live range mapping */
   }
 regs;
 extern regs regspic14[];
 extern int pic14_nRegs;
 extern int Gstack_base_addr;
 
+/*
+  As registers are created, they're added to a set (based on the
+  register type). Here are the sets of registers that are supported
+  in the PIC port:
+*/
+extern set *dynAllocRegs;
+extern set *dynStackRegs;
+extern set *dynProcessorRegs;
+extern set *dynDirectRegs;
+extern set *dynDirectBitRegs;
+extern set *dynInternalRegs;
+
+
 regs *pic14_regWithIdx (int);
 regs *dirregWithName (char *name );
 void  pic14_freeAllRegs ();
 void  pic14_deallocateAllRegs ();
 regs *pic14_findFreeReg(short type);
 regs *pic14_allocWithIdx (int idx);
+regs *typeRegWithIdx (int idx, int type, int fixed);
+
 regs *allocDirReg (operand *op );
-regs *allocRegByName (char *name );
+regs *allocRegByName (char *name, int size );
 
 /* Define register address that are constant across PIC family */
 #define IDX_INDF    0