X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fpic%2Fgen.h;h=64198360a7deb1dcd069f93b21c60a7d92583b94;hb=6c78bc0cba530b6d01daaedcbb327a1f06013c27;hp=36c5d15705a17a596054acc9f6a22c21c18d2899;hpb=014e189826746c5ca08fac5dbf2b47aa7a359cc9;p=fw%2Fsdcc diff --git a/src/pic/gen.h b/src/pic/gen.h index 36c5d157..64198360 100644 --- a/src/pic/gen.h +++ b/src/pic/gen.h @@ -2,105 +2,106 @@ SDCCgen51.h - header file for code generation for 8051 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 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! + what you give them. Help stamp out software-hoarding! -------------------------------------------------------------------------*/ #ifndef SDCCGENPIC14_H #define SDCCGENPIC14_H -struct pCodeOp; +#include "common.h" + +#include "main.h" +#include "pcode.h" +#include "ralloc.h" + +#define FENTRY do { \ + /*fprintf (stderr, "%s:%u:%s: *{*\n", __FILE__, __LINE__, __FUNCTION__);*/ \ + if (options.debug || debug_verbose) { \ + emitpComment ("; %s:%u:%s *{*", __FILE__, __LINE__, __FUNCTION__); \ + } \ +} while (0) +#define FEXIT do { \ + /*fprintf (stderr, "%s:%u:%s: *}*\n", __FILE__, __LINE__, __FUNCTION__);*/ \ + if (options.debug || debug.verbose) { \ + emitpComment ("; %s:%u:%s *}*", __FILE__, __LINE__, __FUNCTION__); \ + } \ +} while (0) enum - { - AOP_LIT = 1, - AOP_REG, AOP_DIR, - AOP_DPTR, AOP_DPTR2, AOP_R0, AOP_R1, - AOP_STK, AOP_IMMD, AOP_STR, - AOP_CRY, AOP_ACC, - AOP_PCODE - - }; - -/* type asmop : a homogenised type for +{ + AOP_LIT = 1, + AOP_REG, + AOP_DIR, + AOP_STK, + AOP_IMMD, + AOP_STR, + AOP_CRY, + AOP_PCODE + +}; + +/* type asmop : a homogenised type for all the different spaces an operand can be in */ typedef struct asmop +{ + + short type; /* can have values + AOP_LIT - operand is a literal value + AOP_REG - is in registers + AOP_DIR - direct just a name + AOP_STK - should be pushed on stack this + can happen only for the result + AOP_IMMD - immediate value for eg. remateriazable + AOP_CRY - carry contains the value of this + AOP_STR - array of strings + */ + short coff; /* current offset */ + short size; /* total size */ + unsigned code:1; /* is in Code space */ + unsigned paged:1; /* in paged memory */ + unsigned freed:1; /* already freed */ + union { - - short type; /* can have values - AOP_LIT - operand is a literal value - AOP_REG - is in registers - AOP_DIR - direct just a name - AOP_DPTR - dptr contains address of operand - AOP_DPTR2 - dptr2 contains address of operand (DS80C390 only). - AOP_R0/R1 - r0/r1 contains address of operand - AOP_STK - should be pushed on stack this - can happen only for the result - AOP_IMMD - immediate value for eg. remateriazable - AOP_CRY - carry contains the value of this - AOP_STR - array of strings - AOP_ACC - result is in the acc:b pair - */ - short coff; /* current offset */ - short size; /* total size */ - unsigned code:1; /* is in Code space */ - unsigned paged:1; /* in paged memory */ - unsigned freed:1; /* already freed */ - union - { - value *aop_lit; /* if literal */ - regs *aop_reg[4]; /* array of registers */ - char *aop_dir; /* if direct */ - regs *aop_ptr; /* either -> to r0 or r1 */ - char *aop_immd; /* if immediate others are implied */ - int aop_stk; /* stack offset when AOP_STK */ - char *aop_str[4]; /* just a string array containing the location */ -/* regs *aop_alloc_reg; * points to a dynamically allocated register */ - pCodeOp *pcop; - } - aopu; + value *aop_lit; /* if literal */ + regs *aop_reg[4]; /* array of registers */ + char *aop_dir; /* if direct */ + regs *aop_ptr; /* either -> to r0 or r1 */ + char *aop_immd; /* if immediate others are implied */ + int aop_stk; /* stack offset when AOP_STK */ + char *aop_str[4]; /* just a string array containing the location */ + pCodeOp *pcop; } + aopu; +} asmop; -void genpic14Code (iCode *); - -//extern char *fReturnpic14[]; -//extern char *fReturn390[]; extern unsigned fReturnSizePic; -//extern char **fReturn; #define AOP(op) op->aop #define AOP_TYPE(op) AOP(op)->type #define AOP_SIZE(op) AOP(op)->size -#define IS_AOP_PREG(x) (AOP(x) && (AOP_TYPE(x) == AOP_R1 || \ - AOP_TYPE(x) == AOP_R0)) - -#define AOP_NEEDSACC(x) (AOP(x) && (AOP_TYPE(x) == AOP_CRY || \ - AOP_TYPE(x) == AOP_DPTR || AOP_TYPE(x) == AOP_DPTR2 || \ - AOP(x)->paged)) -#define AOP_INPREG(x) (x && (x->type == AOP_REG && \ - (x->aopu.aop_reg[0] == pic14_regWithIdx(R0_IDX) || \ - x->aopu.aop_reg[0] == pic14_regWithIdx(R1_IDX) ))) +#define AOP_NEEDSACC(x) (AOP(x) && (AOP_TYPE(x) == AOP_CRY || AOP(x)->paged)) #define RESULTONSTACK(x) \ (IC_RESULT(x) && IC_RESULT(x)->aop && \ @@ -109,18 +110,11 @@ extern unsigned fReturnSizePic; #define MOVA(x) if (strcmp(x,"a") && strcmp(x,"acc")) pic14_emitcode(";XXX mov","a,%s %s,%d",x,__FILE__,__LINE__); #define CLRC pic14_emitcode(";XXX clr","c %s,%d",__FILE__,__LINE__); -#define BIT_NUMBER(x) (x & 7) -#define BIT_REGISTER(x) (x>>3) - - #define LSB 0 #define MSB16 1 #define MSB24 2 #define MSB32 3 - -#define FUNCTION_LABEL_INC 40 - /*-----------------------------------------------------------------*/ /* Macros for emitting skip instructions */ /*-----------------------------------------------------------------*/ @@ -134,50 +128,47 @@ extern unsigned fReturnSizePic; #define emitCLRZ emitpcode(POC_BCF, popCopyGPR2Bit(PCOP(&pc_status),PIC_Z_BIT)) #define emitCLRC emitpcode(POC_BCF, popCopyGPR2Bit(PCOP(&pc_status),PIC_C_BIT)) #define emitCLRDC emitpcode(POC_BCF, popCopyGPR2Bit(PCOP(&pc_status),PIC_DC_BIT)) +#define emitCLRIRP emitpcode(POC_BCF, popCopyGPR2Bit(PCOP(&pc_status),PIC_IRP_BIT)) #define emitSETZ emitpcode(POC_BSF, popCopyGPR2Bit(PCOP(&pc_status),PIC_Z_BIT)) #define emitSETC emitpcode(POC_BSF, popCopyGPR2Bit(PCOP(&pc_status),PIC_C_BIT)) #define emitSETDC emitpcode(POC_BSF, popCopyGPR2Bit(PCOP(&pc_status),PIC_DC_BIT)) +#define emitSETIRP emitpcode(POC_BSF, popCopyGPR2Bit(PCOP(&pc_status),PIC_IRP_BIT)) int pic14_getDataSize(operand *op); -void emitpcode(PIC_OPCODE poc, pCodeOp *pcop); +void emitpcode_real(PIC_OPCODE poc, pCodeOp *pcop); +#define emitpcode(poc,pcop) do { if (options.debug || debug_verbose) { emitpComment (" >>> %s:%d:%s", __FILE__, __LINE__, __FUNCTION__); } emitpcode_real(poc,pcop); } while(0) +void emitpComment (const char *fmt, ...); void emitpLabel(int key); void pic14_emitcode (char *inst,char *fmt, ...); void DEBUGpic14_emitcode (char *inst,char *fmt, ...); -asmop *newAsmop (short type); +void pic14_emitDebuggerSymbol (char *); bool pic14_sameRegs (asmop *aop1, asmop *aop2 ); char *aopGet (asmop *aop, int offset, bool bit16, bool dname); +void DEBUGpic14_AopType(int line_no, operand *left, operand *right, operand *result); +void genpic14Code (iCode *lic); -bool genPlusIncr (iCode *ic); -void pic14_outBitAcc(operand *result); -void genPlusBits (iCode *ic); -void genPlus (iCode *ic); -bool genMinusDec (iCode *ic); -void addSign(operand *result, int offset, int sign); -void genMinusBits (iCode *ic); -void genMinus (iCode *ic); - - +pCodeOp *popGet (asmop *aop, int offset);//, bool bit16, bool dname); +pCodeOp *popGetAddr (asmop *aop, int offset, int index); +pCodeOp *popGetExternal (char *str, int isReg); pCodeOp *popGetLabel(unsigned int key); -pCodeOp *popCopyReg(pCodeOpReg *pc); -pCodeOp *popCopyGPR2Bit(pCodeOp *pc, int bitval); pCodeOp *popGetLit(unsigned int lit); -pCodeOp *popGetWithString(char *str); -pCodeOp *popRegFromString(char *str, int size, int offset); -pCodeOp *popGet (asmop *aop, int offset);//, bool bit16, bool dname); -pCodeOp *popGetTempReg(void); -void popReleaseTempReg(pCodeOp *pcop); void aopPut (asmop *aop, char *s, int offset); void pic14_outAcc(operand *result); void aopOp (operand *op, iCode *ic, bool result); -void pic14_outBitC(operand *result); -void pic14_toBoolean(operand *oper); void freeAsmop (operand *op, asmop *aaop, iCode *ic, bool pop); void mov2w (asmop *aop, int offset); -const char *pCodeOpType( pCodeOp *pcop); - +int op_isLitLike (operand *op); +/* + * From genarith.c: + */ +const char *AopType(short type); +const char *pCodeOpType(pCodeOp *pcop); +void genPlus (iCode *ic); +void addSign(operand *result, int offset, int sign); +void genMinus (iCode *ic); #endif