sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 89 insertions, 0 deletions

diff --git a/src/hc08/ralloc.h b/src/hc08/ralloc.h
new file mode 100644
index 0000000..2dfba64
--- /dev/null
+++ b/src/hc08/ralloc.h
@@ -0,0 +1,89 @@
+/*-------------------------------------------------------------------------
+
+  SDCCralloc.h - header file register allocation
+
+                Written By -  Sandeep Dutta . sandeep.dutta@usa.net (1998)
+
+   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
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+   
+   In other words, you are welcome to use, share and improve this program.
+   You are forbidden to forbid anyone else to use, share and improve
+   what you give them.   Help stamp out software-hoarding!  
+-------------------------------------------------------------------------*/
+#include "SDCCicode.h"
+#include "SDCCBBlock.h"
+#ifndef SDCCRALLOC_H
+#define SDCCRALLOC_H 1
+
+enum
+  {
+    A_IDX,
+    X_IDX,
+    H_IDX,
+    HX_IDX,
+    XA_IDX,
+    CND_IDX,
+    SP_IDX
+  };
+
+
+#define REG_PTR 0x01
+#define REG_GPR 0x02
+#define REG_CND 0x04
+
+/* Must preserve the relation HC08MASK_H > HC08MASK_X > MC08MASK_A  */
+/* so that HC08MASK_REV can be automatically applied when reversing */
+/* the usual register pair ordering. */
+#define HC08MASK_A 0x01
+#define HC08MASK_X 0x02
+#define HC08MASK_H 0x04
+#define HC08MASK_REV 0x08
+#define HC08MASK_XA (HC08MASK_X | HC08MASK_A)
+#define HC08MASK_HX (HC08MASK_H | HC08MASK_X)
+#define HC08MASK_AX (HC08MASK_REV | HC08MASK_X | HC08MASK_A)
+    
+/* definition for the registers */
+typedef struct reg_info
+  {
+    short type;			/* can have value 
+				   REG_GPR, REG_PTR or REG_CND */
+    short rIdx;			/* index into register table */
+    char *name;			/* name */
+    short mask;			/* bitmask for pair allocation */
+    struct asmop *aop;		/* last operand */
+    int aopofs;			/* last operand offset */
+    unsigned isFree:1;		/* is currently unassigned */
+    unsigned isDead:1;      /* does not need to survive current instruction */
+    unsigned isLitConst:1;      /* has an literal constant loaded */
+    int litConst;		/* last literal constant */
+  }
+reg_info;
+extern reg_info regshc08[];
+extern reg_info *hc08_reg_a;
+extern reg_info *hc08_reg_x;
+extern reg_info *hc08_reg_h;
+extern reg_info *hc08_reg_hx;
+extern reg_info *hc08_reg_xa;
+extern reg_info *hc08_reg_sp;
+
+reg_info *hc08_regWithIdx (int);
+void hc08_useReg (reg_info * reg);
+void hc08_freeReg (reg_info * reg);
+void hc08_dirtyReg (reg_info * reg, bool freereg);
+bitVect *hc08_rUmaskForOp (operand * op);
+
+iCode *hc08_ralloc2_cc(ebbIndex *ebbi);
+
+#endif