X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fpic16%2Fgen.h;h=437fa83b72cf5e5beb99a6e4eb082f58d43b7324;hb=80972b2e54c9b88f11c27b878874fd2a6a681391;hp=1b737d4cee8fda1fc7976bac7e04dd3633055da3;hpb=fab1b2b01944a97bc9a7275a2df59fe22f42d81f;p=fw%2Fsdcc diff --git a/src/pic16/gen.h b/src/pic16/gen.h index 1b737d4c..437fa83b 100644 --- a/src/pic16/gen.h +++ b/src/pic16/gen.h @@ -1,5 +1,5 @@ /*------------------------------------------------------------------------- - SDCCgen51.h - header file for code generation for 8051 + gen.h - header file for code generation for PIC16 Written By - Sandeep Dutta . sandeep.dutta@usa.net (1998) PIC port - T. Scott Dattalo scott@dattalo.com (2000) @@ -24,20 +24,28 @@ what you give them. Help stamp out software-hoarding! -------------------------------------------------------------------------*/ -#ifndef SDCCGENPIC14_H -#define SDCCGENPIC14_H +#ifndef SDCCGENPIC16_H +#define SDCCGENPIC16_H + +/* If you change these, you also have to update the library files + * device/lib/pic16/libsdcc/gptr{get,put}{1,2,3,4}.c */ +#define GPTR_TAG_DATA 0x80 +#define GPTR_TAG_EEPROM 0x40 +#define GPTR_TAG_CODE 0x00 /* must be 0 becaue of UPPER(sym)==0 */ struct pCodeOp; 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 - + AOP_REG, + AOP_DIR, + AOP_STK, + AOP_STR, + AOP_CRY, + AOP_ACC, + AOP_PCODE, + AOP_STA // asmop on stack }; /* type asmop : a homogenised type for @@ -50,12 +58,8 @@ typedef struct asmop 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 @@ -71,11 +75,14 @@ typedef struct asmop 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; + struct { + int stk; + pCodeOp *pop[4]; + } stk; } aopu; } @@ -83,29 +90,21 @@ asmop; void genpic16Code (iCode *); -//extern char *fReturnpic16[]; -//extern char *fReturn390[]; extern unsigned pic16_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] == pic16_regWithIdx(R0_IDX) || \ - x->aopu.aop_reg[0] == pic16_regWithIdx(R1_IDX) ))) - #define RESULTONSTACK(x) \ (IC_RESULT(x) && IC_RESULT(x)->aop && \ IC_RESULT(x)->aop->type == AOP_STK ) +#define RESULTONSTA(x) (IC_RESULT(x) && IC_RESULT(x)->aop && IC_RESULT(x)->aop->type == AOP_STA) + #define MOVA(x) if (strcmp(x,"a") && strcmp(x,"acc")) pic16_emitcode(";XXX mov","a,%s %s,%d",x,__FILE__,__LINE__); #define CLRC pic16_emitcode(";XXX clr","c %s,%d",__FILE__,__LINE__); @@ -140,13 +139,19 @@ extern unsigned pic16_fReturnSizePic; #define emitSETC pic16_emitpcode(POC_BSF, pic16_popCopyGPR2Bit(PCOP(&pic16_pc_status),PIC_C_BIT)) #define emitSETDC pic16_emitpcode(POC_BSF, pic16_popCopyGPR2Bit(PCOP(&pic16_pc_status),PIC_DC_BIT)) +#define emitTOGC pic16_emitpcode(POC_BTG, pic16_popCopyGPR2Bit(PCOP(&pic16_pc_status),PIC_C_BIT)) + int pic16_getDataSize(operand *op); -void pic16_emitpcode(PIC_OPCODE poc, pCodeOp *pcop); +void pic16_emitpcode_real(PIC_OPCODE poc, pCodeOp *pcop); +#define pic16_emitpcode(poc,pcop) do { if (pic16_pcode_verbose) pic16_emitpcomment ("%s:%u(%s):", __FILE__, __LINE__, __FUNCTION__); pic16_emitpcode_real(poc,pcop); } while(0) void pic16_emitpLabel(int key); void pic16_emitcode (char *inst,char *fmt, ...); void DEBUGpic16_emitcode (char *inst,char *fmt, ...); +void pic16_emitDebuggerSymbol (char *); bool pic16_sameRegs (asmop *aop1, asmop *aop2 ); char *pic16_aopGet (asmop *aop, int offset, bool bit16, bool dname); +void DEBUGpic16_pic16_AopType(int line_no, operand *left, operand *right, operand *result); +void DEBUGpic16_pic16_AopTypeSign(int line_no, operand *left, operand *right, operand *result); bool pic16_genPlusIncr (iCode *ic); @@ -157,17 +162,23 @@ bool pic16_genMinusDec (iCode *ic); void pic16_addSign(operand *result, int offset, int sign); void pic16_genMinusBits (iCode *ic); void pic16_genMinus (iCode *ic); +void pic16_genLeftShiftLiteral (operand *left, operand *right, operand *result, iCode *ic); +pCodeOp *pic16_popGet2p(pCodeOp *src, pCodeOp *dst); +void pic16_emitpcomment (char *fmt, ...); -pCodeOp *pic16_popGetLabel(unsigned int key); +pCodeOp *pic16_popGetLabel(int key); pCodeOp *pic16_popCopyReg(pCodeOpReg *pc); pCodeOp *pic16_popCopyGPR2Bit(pCodeOp *pc, int bitval); -pCodeOp *pic16_popGetLit(unsigned int lit); +pCodeOp *pic16_popGetLit(int lit); +pCodeOp *pic16_popGetLit2(int lit, pCodeOp *arg2); pCodeOp *popGetWithString(char *str); pCodeOp *pic16_popGet (asmop *aop, int offset);//, bool bit16, bool dname); -pCodeOp *pic16_popGetTempReg(void); -void pic16_popReleaseTempReg(pCodeOp *pcop); +pCodeOp *pic16_popGetTempReg(int lock); +pCodeOp *pic16_popGetTempRegCond(bitVect *, bitVect *, int lock); +void pic16_popReleaseTempReg(pCodeOp *pcop, int lock); +pCodeOp *pic16_popCombine2(pCodeOpReg *src, pCodeOpReg *dst, int noalloc); void pic16_aopPut (asmop *aop, char *s, int offset); void pic16_outAcc(operand *result); @@ -176,8 +187,38 @@ void pic16_outBitC(operand *result); void pic16_toBoolean(operand *oper); void pic16_freeAsmop (operand *op, asmop *aaop, iCode *ic, bool pop); const char *pic16_pCodeOpType( pCodeOp *pcop); +int pic16_my_powof2 (unsigned long num); + +void pic16_mov2w (asmop *aop, int offset); +void pic16_mov2f(asmop *dst, asmop *src, int offset); +bool pic16_isLitOp(operand *op); +bool pic16_isLitAop(asmop *aop); void dumpiCode(iCode *lic); +int inWparamList(char *s); + +#include "device.h" + +#define DUMP_FUNCTION_ENTRY 1 +#define DUMP_FUNCTION_EXIT 0 + +#if DUMP_FUNCTION_ENTRY +#define FENTRY if(pic16_options.debgen&2)pic16_emitpcomment("**{\t%d %s", __LINE__, __FUNCTION__) +#define FENTRY2 if(pic16_options.debgen&2)pic16_emitpcomment("**{\t%d %s", __LINE__, __FUNCTION__) +#else +#define FENTRY +#define FENTRY2 +#endif + +#if DUMP_FUNCTION_EXIT +#define FEXIT if(pic16_options.debgen&2)pic16_emitpcomment("; **}", "%d %s", __LINE__, __FUNCTION__) +#define FEXIT2 if(pic16_options.debgen&2)pic16_emitpcomment("**{\t%d %s", __LINE__, __FUNCTION__) +#else +#define FEXIT +#define FEXIT2 +#endif + +#define ERROR werror(W_POSSBUG2, __FILE__, __LINE__) #endif