sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 70 insertions, 0 deletions

diff --git a/src/stm8/ralloc.h b/src/stm8/ralloc.h
new file mode 100644
index 0000000..0b7d1ed
--- /dev/null
+++ b/src/stm8/ralloc.h
@@ -0,0 +1,70 @@
+/*-------------------------------------------------------------------------
+
+  SDCCralloc.h - header file register allocation
+
+                Written By -  Philipp Krause . pkk@spth.de (2012)
+
+   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!  
+-------------------------------------------------------------------------*/
+
+#ifndef SDCCRALLOC_H
+#define SDCCRALLOC_H 1
+
+#include "common.h"
+
+enum
+{
+  A_IDX = 0, // The accumulator
+  XL_IDX,    // Lower byte of X
+  XH_IDX,    // Upper byte of X
+  YL_IDX,    // Lower byte of Y
+  YH_IDX,    // Upper byte of Y
+  C_IDX,     // Carry bit - for bool only.
+
+  X_IDX,     // X - for use with code generation support functions only.
+  Y_IDX,     // Y - for use with code generation support functions only.
+
+  SP_IDX     // SP - for use with debug info.
+};
+
+enum
+{
+  REG_GPR = 2,
+  REG_CND = 4,
+};
+
+/* 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 */
+} reg_info;
+
+extern reg_info stm8_regs[];
+
+void stm8_assignRegisters (ebbIndex *);
+
+void stm8SpillThis (symbol *sym, bool force_spill);
+iCode *stm8_ralloc2_cc(ebbIndex *ebbi);
+
+void stm8RegFix (eBBlock ** ebbs, int count);
+#endif
+