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authorXavier ASUS <xavi92psx@gmail.com>2019-10-18 00:31:54 +0200
committerXavier ASUS <xavi92psx@gmail.com>2019-10-18 00:31:54 +0200
commit268a53de823a6750d6256ee1fb1e7707b4b45740 (patch)
tree42c1799a9a82b2f7d9790ee9fe181d72a7274751 /src/avr/ralloc.h
downloadsdcc-gas-268a53de823a6750d6256ee1fb1e7707b4b45740.tar.gz
sdcc-3.9.0 fork implementing GNU assembler syntax
This fork aims to provide better support for stm8-binutils
Diffstat (limited to 'src/avr/ralloc.h')
-rw-r--r--src/avr/ralloc.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/src/avr/ralloc.h b/src/avr/ralloc.h
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+/*-------------------------------------------------------------------------
+
+ 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
+ {
+ R0_IDX = 0, R1_IDX, R2_IDX, R3_IDX, R4_IDX,
+ R5_IDX, R6_IDX, R7_IDX, R8_IDX, R9_IDX,
+ R10_IDX, R11_IDX, R12_IDX, R13_IDX, R14_IDX,
+ R15_IDX, R16_IDX, R17_IDX, R18_IDX, R19_IDX,
+ R20_IDX, R21_IDX, R22_IDX, R23_IDX, R24_IDX,
+ R25_IDX, R26_IDX, R27_IDX, R28_IDX, R29_IDX,
+ R30_IDX, R31_IDX, X_IDX, Z_IDX, CND_IDX
+ };
+
+
+#define REG_PTR 0x01
+#define REG_GPR 0x02
+#define REG_SCR 0x04
+#define REG_CND 0x08
+#define REG_MASK 0x0f
+#define REG_PAIR 0x10
+
+/* definition for the registers */
+typedef struct regs
+ {
+ short type; /* can have value
+ REG_GPR, REG_PTR or REG_CND */
+ short rIdx; /* index into register table */
+ short otype;
+ char *name; /* name */
+ char *dname; /* name when direct access needed */
+ char *base; /* base address */
+ short offset; /* offset from the base */
+ unsigned isFree:1; /* is currently unassigned */
+ unsigned saveReq:1; /* save required @ function entry ? */
+ }
+regs;
+extern regs regsAVR[];
+
+regs *avr_regWithIdx (int);
+
+#endif