* src/pic/pcoderegs.c (OptimizeRegUsage): do not optimize

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

diff --git a/src/pic/ralloc.h b/src/pic/ralloc.h
index a330ece3593f856b0cac826e5c20d26b0ac83f91..9bf058defdcd1f578373538d00023193dd206d36 100644 (file)
--- a/src/pic/ralloc.h
+++ b/src/pic/ralloc.h
@@ -3,7 +3,7 @@
   SDCCralloc.h - header file register allocation
 
                 Written By -  Sandeep Dutta . sandeep.dutta@usa.net (1998)
-               PIC port   - T. Scott Dattalo scott@dattalo.com (2000)
+    PIC port   - T. Scott Dattalo scott@dattalo.com (2000)
 
    This program is free software; you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by the
@@ -32,21 +32,21 @@
 
 
 enum
-  {
-    R2_IDX = 0, R3_IDX, R4_IDX,
-    R5_IDX, R6_IDX, R7_IDX,
-    R0_IDX, R1_IDX, X8_IDX,
-    X9_IDX, X10_IDX, X11_IDX,
-    X12_IDX, CND_IDX
-  };
+{
+  R2_IDX = 0, R3_IDX, R4_IDX,
+  R5_IDX, R6_IDX, R7_IDX,
+  R0_IDX, R1_IDX, X8_IDX,
+  X9_IDX, X10_IDX, X11_IDX,
+  X12_IDX, CND_IDX
+};
 
 enum {
- REG_PTR=1,
- REG_GPR,
- REG_CND,
- REG_SFR,
- REG_STK,
- REG_TMP
+  REG_PTR=1,
+  REG_GPR,
+  REG_CND,
+  REG_SFR,
+  REG_STK,
+  REG_TMP
 };
 //#define REG_PTR 0x01
 //#define REG_GPR 0x02
@@ -57,28 +57,29 @@ enum {
 
 /* definition for the registers */
 typedef struct regs
-  {
-    short type;                        /* can have value 
-                                * REG_GPR, REG_PTR or REG_CND 
-                                * This like the "meta-type" */
-    short pc_type;              /* pcode type */
-    short rIdx;                        /* index into register table */
-    //    short otype;        
-    char *name;                        /* name */
-
-    unsigned isFree:1;         /* is currently unassigned  */
-    unsigned wasUsed:1;                /* becomes true if register has been used */
-    unsigned isFixed:1;         /* True if address can't change */
-    unsigned isMapped:1;        /* The Register's address has been mapped to physical RAM */
-    unsigned isBitField:1;      /* True if reg is type bit OR is holder for several bits */
-    unsigned isEmitted:1;       /* True if the reg has been written to a .asm file */
-    unsigned address;           /* reg's address if isFixed | isMapped is true */
-    unsigned size;              /* 0 for byte, 1 for int, 4 for long */
-    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 */
-  }
+{
+  short type;  /* can have value 
+                * REG_GPR, REG_PTR or REG_CND 
+                * This like the "meta-type" */
+  short pc_type; /* pcode type */
+  short rIdx;    /* index into register table */
+  char *name;    /* name */
+
+  unsigned isFree:1;          /* is currently unassigned  */
+  unsigned wasUsed:1;         /* becomes true if register has been used */
+  unsigned isFixed:1;         /* True if address can't change */
+  unsigned isMapped:1;        /* The Register's address has been mapped to physical RAM */
+  unsigned isBitField:1;      /* True if reg is type bit OR is holder for several bits */
+  unsigned isEmitted:1;       /* True if the reg has been written to a .asm file */
+  unsigned isPublic:1;        /* True if the reg is not static and can be modified in another module (ie a another c or asm file) */
+  unsigned isExtern:1;        /* True if the reg is in another module */
+  unsigned address;           /* reg's address if isFixed | isMapped is true */
+  unsigned size;              /* 0 for byte, 1 for int, 4 for long */
+  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;
@@ -104,9 +105,11 @@ void  pic14_deallocateAllRegs ();
 regs *pic14_findFreeReg(short type);
 regs *pic14_allocWithIdx (int idx);
 regs *typeRegWithIdx (int idx, int type, int fixed);
+regs *regFindWithName (const char *name);
 
 regs *allocDirReg (operand *op );
 regs *allocRegByName (char *name, int size );
+regs *allocNewDirReg (sym_link *symlnk,const char *name);
 
 /* Define register address that are constant across PIC family */
 #define IDX_INDF    0
@@ -122,5 +125,6 @@ regs *allocRegByName (char *name, int size );
 #define IDX_KZ      0x7fff   /* Known zero - actually just a general purpose reg. */
 #define IDX_WSAVE   0x7ffe
 #define IDX_SSAVE   0x7ffd
+#define IDX_PSAVE   0x7ffc
 
 #endif