-------------------------------------------------------------------------*/
-//#include "ralloc.h"
+#ifndef __PCODE_H__
+#define __PCODE_H__
+
+#include "common.h"
+
+/* When changing these, you must also update the assembler template
+ * in device/lib/libsdcc/macros.inc */
+#define GPTRTAG_DATA 0x00
+#define GPTRTAG_CODE 0x80
+
+/* Cyclic dependency with ralloc.h: */
struct regs;
/*
movwf t1
movf t1,w ; Can't remove this movf
skpz
- return
+ return
example3:
movwf t1
movf t1,w ; This movf can be removed
xorwf t2,w ; since xorwf will over write Z
skpz
- return
+ return
*/
-#ifndef __PCODE_H__
-#define __PCODE_H__
+/***********************************************************************
+ * debug stuff
+ *
+ * The DFPRINTF macro will call fprintf if PCODE_DEBUG is defined.
+ * The macro is used like:
+ *
+ * DPRINTF(("%s #%d\n","test", 1));
+ *
+ * The double parenthesis (()) are necessary
+ *
+ ***********************************************************************/
+//#define PCODE_DEBUG
+
+#ifdef PCODE_DEBUG
+#define DFPRINTF(args) (fprintf args)
+#else
+#define DFPRINTF(args) ((void)0)
+#endif
+
/***********************************************************************
* PIC status bits - this will move into device dependent headers
#define PIC_C_BIT 0
#define PIC_DC_BIT 1
#define PIC_Z_BIT 2
+#define PIC_RP0_BIT 5 /* Register Bank select bits RP1:0 : */
+#define PIC_RP1_BIT 6 /* 00 - bank 0, 01 - bank 1, 10 - bank 2, 11 - bank 3 */
+#define PIC_IRP_BIT 7 /* Indirect register page select */
/***********************************************************************
- * Operand types
+ * PIC INTCON bits - this will move into device dependent headers
***********************************************************************/
-#define POT_RESULT 0
-#define POT_LEFT 1
-#define POT_RIGHT 2
+#define PIC_RBIF_BIT 0 /* Port B level has changed flag */
+#define PIC_INTF_BIT 1 /* Port B bit 0 interrupt on edge flag */
+#define PIC_T0IF_BIT 2 /* TMR0 has overflowed flag */
+#define PIC_RBIE_BIT 3 /* Port B level has changed - Interrupt Enable */
+#define PIC_INTE_BIT 4 /* Port B bit 0 interrupt on edge - Int Enable */
+#define PIC_T0IE_BIT 5 /* TMR0 overflow Interrupt Enable */
+#define PIC_PIE_BIT 6 /* Peripheral Interrupt Enable */
+#define PIC_GIE_BIT 7 /* Global Interrupt Enable */
/***********************************************************************
typedef enum
{
- PO_NONE=0, // No operand e.g. NOP
- PO_W, // The 'W' register
- PO_STATUS, // The 'STATUS' register
- PO_FSR, // The "file select register" (in 18c it's one of three)
- PO_INDF, // The Indirect register
- PO_GPR_REGISTER, // A general purpose register
- PO_GPR_TEMP, // A general purpose temporary register
- PO_SFR_REGISTER, // A special function register (e.g. PORTA)
- PO_LITERAL, // A constant
- PO_IMMEDIATE, // (8051 legacy)
- PO_DIR, // Direct memory (8051 legacy)
- PO_CRY, // bit memory (8051 legacy)
- PO_BIT, // bit operand.
- PO_STR, // (8051 legacy)
- PO_LABEL,
- PO_WILD // Wild card operand in peep optimizer
+ PO_NONE=0, // No operand e.g. NOP
+ PO_W, // The 'W' register
+ PO_STATUS, // The 'STATUS' register
+ PO_FSR, // The "file select register" (in 18c it's one of three)
+ PO_INDF, // The Indirect register
+ PO_INTCON, // Interrupt Control register
+ PO_GPR_REGISTER, // A general purpose register
+ PO_GPR_BIT, // A bit of a general purpose register
+ PO_GPR_TEMP, // A general purpose temporary register
+ PO_GPR_POINTER, // A general purpose pointer
+ PO_SFR_REGISTER, // A special function register (e.g. PORTA)
+ PO_PCL, // Program counter Low register
+ PO_PCLATH, // Program counter Latch high register
+ PO_LITERAL, // A constant
+ PO_IMMEDIATE, // (8051 legacy)
+ PO_DIR, // Direct memory (8051 legacy)
+ PO_CRY, // bit memory (8051 legacy)
+ PO_BIT, // bit operand.
+ PO_STR, // (8051 legacy)
+ PO_LABEL,
+ PO_WILD // Wild card operand in peep optimizer
} PIC_OPTYPE;
-/*************************************************
- * pCode conditions:
- *
- * The "conditions" are bit-mapped flags that describe
- * input and/or output conditions that are affected by
- * the instructions. For example:
- *
- * MOVF SOME_REG,W
- *
- * This instruction depends upon 'SOME_REG'. Consequently
- * it has the input condition PCC_REGISTER set to true.
- *
- * In addition, this instruction affects the Z bit in the
- * status register and affects W. Thus the output conditions
- * are the logical or:
- * PCC_ZERO_BIT | PCC_W
- *
- * The conditions are intialized when the pCode for an
- * instruction is created. They're subsequently used
- * by the pCode optimizer determine state information
- * in the program flow.
- *************************************************/
-
-#define PCC_NONE 0
-#define PCC_REGISTER (1<<0)
-#define PCC_C (1<<1)
-#define PCC_Z (1<<2)
-#define PCC_DC (1<<3)
-#define PCC_W (1<<4)
-
/***********************************************************************
*
* PIC_OPCODE
typedef enum
{
- POC_WILD=-1, /* Wild card - used in the pCode peep hole optimizer
- * to represent ANY pic opcode */
- POC_ADDLW=0,
- POC_ADDWF,
- POC_ADDFW,
- POC_ANDLW,
- POC_ANDWF,
- POC_ANDFW,
- POC_BCF,
- POC_BSF,
- POC_BTFSC,
- POC_BTFSS,
- POC_CALL,
- POC_COMF,
- POC_CLRF,
- POC_CLRW,
- POC_DECF,
- POC_DECFW,
- POC_DECFSZ,
- POC_DECFSZW,
- POC_GOTO,
- POC_INCF,
- POC_INCFW,
- POC_INCFSZ,
- POC_INCFSZW,
- POC_IORLW,
- POC_IORWF,
- POC_IORFW,
- POC_MOVF,
- POC_MOVFW,
- POC_MOVLW,
- POC_MOVWF,
- POC_NEGF,
- POC_RETLW,
- POC_RETURN,
- POC_SUBLW,
- POC_SUBWF,
- POC_SUBFW,
- POC_TRIS,
- POC_XORLW,
- POC_XORWF,
- POC_XORFW
+ POC_WILD=-1, /* Wild card - used in the pCode peep hole optimizer
+ * to represent ANY pic opcode */
+ POC_ADDLW=0,
+ POC_ADDWF,
+ POC_ADDFW,
+ POC_ANDLW,
+ POC_ANDWF,
+ POC_ANDFW,
+ POC_BCF,
+ POC_BSF,
+ POC_BTFSC,
+ POC_BTFSS,
+ POC_CALL,
+ POC_COMF,
+ POC_COMFW,
+ POC_CLRF,
+ POC_CLRW,
+ POC_CLRWDT,
+ POC_DECF,
+ POC_DECFW,
+ POC_DECFSZ,
+ POC_DECFSZW,
+ POC_GOTO,
+ POC_INCF,
+ POC_INCFW,
+ POC_INCFSZ,
+ POC_INCFSZW,
+ POC_IORLW,
+ POC_IORWF,
+ POC_IORFW,
+ POC_MOVF,
+ POC_MOVFW,
+ POC_MOVLW,
+ POC_MOVWF,
+ POC_NOP,
+ POC_RETLW,
+ POC_RETURN,
+ POC_RETFIE,
+ POC_RLF,
+ POC_RLFW,
+ POC_RRF,
+ POC_RRFW,
+ POC_SUBLW,
+ POC_SUBWF,
+ POC_SUBFW,
+ POC_SWAPF,
+ POC_SWAPFW,
+ POC_TRIS,
+ POC_XORLW,
+ POC_XORWF,
+ POC_XORFW,
+ POC_BANKSEL,
+ POC_PAGESEL,
+
+ MAX_PIC14MNEMONICS
} PIC_OPCODE;
typedef enum
{
- PC_COMMENT=0, // pCode is a comment
- PC_OPCODE, // PORT dependent opcode
- PC_LABEL, // assembly label
- PC_FUNCTION, // Function start or end
- PC_WILD // wildcard - an opcode place holder
+ PC_COMMENT=0, /* pCode is a comment */
+ PC_INLINE, /* user's inline code */
+ PC_OPCODE, /* PORT dependent opcode */
+ PC_LABEL, /* assembly label */
+ PC_FLOW, /* flow analysis */
+ PC_FUNCTION, /* Function start or end */
+ PC_WILD, /* wildcard - an opcode place holder used
+ * in the pCode peep hole optimizer */
+ PC_CSOURCE, /* C-Source Line */
+ PC_ASMDIR, /* Assembler directive */
+ PC_BAD /* Mark the pCode object as being bad */
} PC_TYPE;
/************************************************/
/*************** Structures ********************/
/************************************************/
+/* These are here as forward references - the
+ * full definition of these are below */
struct pCode;
+struct pCodeWildBlock;
+struct pCodeRegLives;
/*************************************************
pBranch
typedef struct pBranch
{
- struct pCode *pc; // Next pCode in a branch
- struct pBranch *next; /* If more than one branch
- * the next one is here */
+ struct pCode *pc; // Next pCode in a branch
+ struct pBranch *next; /* If more than one branch
+ * the next one is here */
} pBranch;
typedef struct pCodeOp
{
- PIC_OPTYPE type;
- char *name;
-
-} pCodeOp;
+ PIC_OPTYPE type;
+ char *name;
-typedef struct pCodeOpBit
-{
- pCodeOp pcop;
- int bit;
- unsigned int inBitSpace: 1; /* True if in bit space, else
- just a bit of a register */
-} pCodeOpBit;
+} pCodeOp;
typedef struct pCodeOpLit
{
- pCodeOp pcop;
- int lit;
+ pCodeOp pcop;
+ int lit;
} pCodeOpLit;
+typedef struct pCodeOpImmd
+{
+ pCodeOp pcop;
+ int offset; /* low,med, or high byte of immediate value */
+ int index; /* add this to the immediate value */
+ unsigned _const:1; /* is in code space */
+ unsigned _function:1; /* is a (pointer to a) function */
+
+ int rIdx; /* If this immd points to a register */
+ struct regs *r; /* then this is the reg. */
+
+} pCodeOpImmd;
+
typedef struct pCodeOpLabel
{
- pCodeOp pcop;
- int key;
+ pCodeOp pcop;
+ int key;
+ int offset; /* low or high byte of label */
} pCodeOpLabel;
typedef struct pCodeOpReg
{
- pCodeOp pcop; // Can be either GPR or SFR
- int rIdx; // Index into the register table
- struct regs *r;
- struct pBlock *pb;
+ pCodeOp pcop; // Can be either GPR or SFR
+ int rIdx; // Index into the register table
+ struct regs *r;
+ int instance; // byte # of Multi-byte registers
+ struct pBlock *pb;
} pCodeOpReg;
+typedef struct pCodeOpRegBit
+{
+ pCodeOpReg pcor; // The Register containing this bit
+ int bit; // 0-7 bit number.
+ PIC_OPTYPE subtype; // The type of this register.
+ unsigned int inBitSpace: 1; /* True if in bit space, else
+ just a bit of a register */
+} pCodeOpRegBit;
+
+typedef struct pCodeOpStr /* Only used here for the name of fn being called or jumped to */
+{
+ pCodeOp pcop;
+ unsigned isPublic: 1; /* True if not static ie extern */
+} pCodeOpStr;
+
+typedef struct pCodeOpWild
+{
+ pCodeOp pcop;
+
+ struct pCodeWildBlock *pcwb;
+
+ int id; /* index into an array of char *'s that will match
+ * the wild card. The array is in *pcp. */
+ pCodeOp *subtype; /* Pointer to the Operand type into which this wild
+ * card will be expanded */
+ pCodeOp *matched; /* When a wild matches, we'll store a pointer to the
+ * opcode we matched */
+
+} pCodeOpWild;
/*************************************************
typedef struct pCode
{
- PC_TYPE type;
-
- struct pCode *prev; // The pCode objects are linked together
- struct pCode *next; // in doubly linked lists.
+ PC_TYPE type;
- int seq; // sequence number
+ struct pCode *prev; // The pCode objects are linked together
+ struct pCode *next; // in doubly linked lists.
- pBranch *from; // pCodes that execute before this one
- pBranch *to; // pCodes that execute after
- pBranch *label; // pCode instructions that have labels
+ unsigned id; // unique ID number for all pCodes to assist in debugging
+ int seq; // sequence number
- struct pBlock *pb; // The pBlock that contains this pCode.
+ struct pBlock *pb; // The pBlock that contains this pCode.
- /* "virtual functions"
- * The pCode structure is like a base class
- * in C++. The subsequent structures that "inherit"
- * the pCode structure will initialize these function
- * pointers to something useful */
- void (*analyze) (struct pCode *_this);
- void (*destruct)(struct pCode *_this);
- void (*print) (FILE *of,struct pCode *_this);
+ /* "virtual functions"
+ * The pCode structure is like a base class
+ * in C++. The subsequent structures that "inherit"
+ * the pCode structure will initialize these function
+ * pointers to something useful */
+ void (*destruct)(struct pCode *_this);
+ void (*print) (FILE *of,struct pCode *_this);
} pCode;
typedef struct pCodeComment
{
- pCode pc;
+ pCode pc;
- char *comment;
+ char *comment;
} pCodeComment;
+
+/*************************************************
+ pCodeComment
+**************************************************/
+
+typedef struct pCodeCSource
+{
+
+ pCode pc;
+
+ int line_number;
+ char *line;
+ char *file_name;
+
+} pCodeCSource;
+
+
+/*************************************************
+ pCodeFlow
+
+ The Flow object is used as marker to separate
+ the assembly code into contiguous chunks. In other
+ words, everytime an instruction cause or potentially
+ causes a branch, a Flow object will be inserted into
+ the pCode chain to mark the beginning of the next
+ contiguous chunk.
+
+**************************************************/
+
+typedef struct pCodeFlow
+{
+
+ pCode pc;
+
+ pCode *end; /* Last pCode in this flow. Note that
+ the first pCode is pc.next */
+
+ set *from; /* flow blocks that can send control to this flow block */
+ set *to; /* flow blocks to which this one can send control */
+ struct pCodeFlow *ancestor; /* The most immediate "single" pCodeFlow object that
+ * executes prior to this one. In many cases, this
+ * will be just the previous */
+
+ int inCond; /* Input conditions - stuff assumed defined at entry */
+ int outCond; /* Output conditions - stuff modified by flow block */
+
+ int firstBank; /* The first and last bank flags are the first and last */
+ int lastBank; /* register banks used within one flow object */
+
+ int FromConflicts;
+ int ToConflicts;
+
+ set *registers;/* Registers used in this flow */
+
+} pCodeFlow;
+
+
+/*************************************************
+ pCodeFlowLink
+
+ The Flow Link object is used to record information
+ about how consecutive excutive Flow objects are related.
+ The pCodeFlow objects demarcate the pCodeInstructions
+ into contiguous chunks. The FlowLink records conflicts
+ in the discontinuities. For example, if one Flow object
+ references a register in bank 0 and the next Flow object
+ references a register in bank 1, then there is a discontinuity
+ in the banking registers.
+
+*/
+typedef struct pCodeFlowLink
+{
+ pCodeFlow *pcflow; /* pointer to linked pCodeFlow object */
+
+ int bank_conflict; /* records bank conflicts */
+
+} pCodeFlowLink;
+
+
/*************************************************
pCodeInstruction
typedef struct pCodeInstruction
{
- pCode pc;
+ pCode pc;
- PIC_OPCODE op; // The opcode of the instruction.
+ PIC_OPCODE op; // The opcode of the instruction.
- char *mnemonic; // Pointer to mnemonic string
+ char const * const mnemonic; // Pointer to mnemonic string
- pCodeOp *pcop; // Operand
+ pBranch *from; // pCodes that execute before this one
+ pBranch *to; // pCodes that execute after
+ pBranch *label; // pCode instructions that have labels
- unsigned int num_ops;
- unsigned int dest: 1; // If destination is W or F, then 1==F
- unsigned int bit_inst: 1;
+ pCodeOp *pcop; /* Operand, if this instruction has one */
+ pCodeFlow *pcflow; /* flow block to which this instruction belongs */
+ pCodeCSource *cline; /* C Source from which this instruction was derived */
- unsigned int inCond; // Input conditions for this instruction
- unsigned int outCond; // Output conditions for this instruction
+ unsigned int num_ops; /* Number of operands (0,1,2 for mid range pics) */
+ unsigned int isModReg: 1; /* If destination is W or F, then 1==F */
+ unsigned int isBitInst: 1; /* e.g. BCF */
+ unsigned int isBranch: 1; /* True if this is a branching instruction */
+ unsigned int isSkip: 1; /* True if this is a skip instruction */
+ unsigned int isLit: 1; /* True if this instruction has an literal operand */
+
+ PIC_OPCODE inverted_op; /* Opcode of instruction that's the opposite of this one */
+ unsigned int inCond; // Input conditions for this instruction
+ unsigned int outCond; // Output conditions for this instruction
} pCodeInstruction;
+/*************************************************
+ pCodeAsmDir
+**************************************************/
+
+typedef struct pCodeAsmDir
+{
+ pCodeInstruction pci;
+
+ char *directive;
+ char *arg;
+} pCodeAsmDir;
+
+
/*************************************************
pCodeLabel
**************************************************/
typedef struct pCodeLabel
{
- pCode pc;
+ pCode pc;
- char *label;
- int key;
+ char *label;
+ int key;
} pCodeLabel;
+
/*************************************************
pCodeFunction
**************************************************/
typedef struct pCodeFunction
{
- pCode pc;
+ pCode pc;
+
+ char *modname;
+ char *fname; /* If NULL, then this is the end of
+ a function. Otherwise, it's the
+ start and the name is contained
+ here */
- char *modname;
- char *fname; /* If NULL, then this is the end of
- a function. Otherwise, it's the
- start and the name is contained
- here */
+ pBranch *from; // pCodes that execute before this one
+ pBranch *to; // pCodes that execute after
+ pBranch *label; // pCode instructions that have labels
+
+ int ncalled; /* Number of times function is called */
+ unsigned isPublic:1; /* True if the fn is not static and can be called from another module (ie a another c or asm file) */
} pCodeFunction;
typedef struct pCodeWild
{
- pCode pc;
+ pCodeInstruction pci;
- int id; /* Index into the wild card array of a peepBlock
- * - this wild card will get expanded into that pCode
- * that is stored at this index */
+ int id; /* Index into the wild card array of a peepBlock
+ * - this wild card will get expanded into that pCode
+ * that is stored at this index */
+ /* Conditions on wild pcode instruction */
+ int mustBeBitSkipInst:1;
+ int mustNotBeBitSkipInst:1;
+ int invertBitSkipInst:1;
- pCodeOp *operand; // Optional operand
- pCodeOp *label; // Optional label
+ pCodeOp *operand; // Optional operand
+ pCodeOp *label; // Optional label
} pCodeWild;
typedef struct pBlock
{
- memmap *cmemmap; /* The snippet is from this memmap */
- char dbName; /* if cmemmap is NULL, then dbName will identify the block */
- pCode *pcHead; /* A pointer to the first pCode in a link list of pCodes */
- pCode *pcTail; /* A pointer to the last pCode in a link list of pCodes */
+ memmap *cmemmap; /* The snippet is from this memmap */
+ char dbName; /* if cmemmap is NULL, then dbName will identify the block */
+ pCode *pcHead; /* A pointer to the first pCode in a link list of pCodes */
+ pCode *pcTail; /* A pointer to the last pCode in a link list of pCodes */
- struct pBlock *next; /* The pBlocks will form a doubly linked list */
- struct pBlock *prev;
+ struct pBlock *next; /* The pBlocks will form a doubly linked list */
+ struct pBlock *prev;
- set *function_entries; /* dll of functions in this pblock */
- set *function_exits;
- set *function_calls;
- set *registers;
+ set *function_entries; /* dll of functions in this pblock */
+ set *function_exits;
+ set *function_calls;
+ set *tregisters;
- unsigned visited:1; /* set true if traversed in call tree */
+ set *FlowTree;
+ unsigned visited:1; /* set true if traversed in call tree */
- unsigned seq; /* sequence number of this pBlock */
+ unsigned seq; /* sequence number of this pBlock */
} pBlock;
typedef struct pFile
{
- pBlock *pbHead; /* A pointer to the first pBlock */
- pBlock *pbTail; /* A pointer to the last pBlock */
+ pBlock *pbHead; /* A pointer to the first pBlock */
+ pBlock *pbTail; /* A pointer to the last pBlock */
- pBranch *functions; /* A SLL of functions in this pFile */
+ pBranch *functions; /* A SLL of functions in this pFile */
} pFile;
+/*************************************************
+ pCodeWildBlock
+
+ The pCodeWildBlock object keeps track of the wild
+ variables, operands, and opcodes that exist in
+ a pBlock.
+**************************************************/
+typedef struct pCodeWildBlock {
+ pBlock *pb;
+ struct pCodePeep *pcp; // pointer back to ... I don't like this...
+
+ int nvars; // Number of wildcard registers in target.
+ char **vars; // array of pointers to them
+
+ int nops; // Number of wildcard operands in target.
+ pCodeOp **wildpCodeOps; // array of pointers to the pCodeOp's.
+
+ int nwildpCodes; // Number of wildcard pCodes in target/replace
+ pCode **wildpCodes; // array of pointers to the pCode's.
+
+} pCodeWildBlock;
+
/*************************************************
pCodePeep
pCode chain.
**************************************************/
typedef struct pCodePeep {
+ pCodeWildBlock target; // code we'd like to optimize
+ pCodeWildBlock replace; // and this is what we'll optimize it with.
+
+ /* (Note: a wildcard register is a place holder. Any register
+ * can be replaced by the wildcard when the pcode is being
+ * compared to the target. */
+
+ /* Post Conditions. A post condition is a condition that
+ * must be either true or false before the peep rule is
+ * accepted. For example, a certain rule may be accepted
+ * if and only if the Z-bit is not used as an input to
+ * the subsequent instructions in a pCode chain.
+ */
+ unsigned int postFalseCond;
+ unsigned int postTrueCond;
- pBlock *target; // code we'd like to optimize
- pBlock *replace; // and this is what we'll optimize it with.
+} pCodePeep;
- int nvars; // Number of wildcard registers in target.
- char **vars; // array of pointers to them
- int nwildpCodes; // Number of wildcard pCodes in target/replace
- pCode **wildpCodes; // array of pointers to the pCodeOp's.
+/*************************************************
+ pCode peep command definitions
- /* (Note: a wildcard register is a place holder. Any register
- * can be replaced by the wildcard when the pcode is being
- * compared to the target. */
+ Here are some special commands that control the
+way the peep hole optimizer behaves
- /* Post Conditions. A post condition is a condition that
- * must be either true or false before the peep rule is
- * accepted. For example, a certain rule may be accepted
- * if and only if the Z-bit is not used as an input to
- * the subsequent instructions in a pCode chain.
- */
- unsigned int postFalseCond;
- unsigned int postTrueCond;
+**************************************************/
-} pCodePeep;
+enum peepCommandTypes{
+ NOTBITSKIP = 0,
+ BITSKIP,
+ INVERTBITSKIP,
+ _LAST_PEEP_COMMAND_
+};
-typedef struct pCodeOpWild
-{
- pCodeOp pcop;
- //PIC_OPTYPE subtype; Wild get's expanded to this by the optimizer
- pCodePeep *pcp; // pointer to the parent peep block
- int id; /* index into an array of char *'s that will match
- * the wild card. The array is in *pcp. */
- pCodeOp *subtype; /* Pointer to the Operand type into which this wild
- * card will be expanded */
- pCodeOp *matched; /* When a wild matches, we'll store a pointer to the
- * opcode we matched */
+/*************************************************
+ peepCommand structure stores the peep commands.
-} pCodeOpWild;
+**************************************************/
+
+typedef struct peepCommand {
+ int id;
+ char *cmd;
+} peepCommand;
/*************************************************
pCode Macros
#define PCI(x) ((pCodeInstruction *)(x))
#define PCL(x) ((pCodeLabel *)(x))
#define PCF(x) ((pCodeFunction *)(x))
+#define PCFL(x) ((pCodeFlow *)(x))
+#define PCFLINK(x)((pCodeFlowLink *)(x))
#define PCW(x) ((pCodeWild *)(x))
+#define PCCS(x) ((pCodeCSource *)(x))
+#define PCAD(x) ((pCodeAsmDir *)(x))
#define PCOP(x) ((pCodeOp *)(x))
-#define PCOB(x) ((pCodeOpBit *)(x))
#define PCOL(x) ((pCodeOpLit *)(x))
+#define PCOI(x) ((pCodeOpImmd *)(x))
#define PCOLAB(x) ((pCodeOpLabel *)(x))
#define PCOR(x) ((pCodeOpReg *)(x))
+#define PCORB(x) ((pCodeOpRegBit *)(x))
+#define PCOS(x) ((pCodeOpStr *)(x))
#define PCOW(x) ((pCodeOpWild *)(x))
#define PBR(x) ((pBranch *)(x))
+#define PCWB(x) ((pCodeWildBlock *)(x))
+
+#define isPCOLAB(x) ((PCOP(x)->type) == PO_LABEL)
+#define isPCOS(x) ((PCOP(x)->type) == PO_STR)
+
+
+/*
+ macros for checking pCode types
+*/
+#define isPCI(x) ((PCODE(x)->type == PC_OPCODE))
+#define isPCFL(x) ((PCODE(x)->type == PC_FLOW))
+#define isPCF(x) ((PCODE(x)->type == PC_FUNCTION))
+#define isPCL(x) ((PCODE(x)->type == PC_LABEL))
+#define isPCW(x) ((PCODE(x)->type == PC_WILD))
+#define isPCCS(x) ((PCODE(x)->type == PC_CSOURCE))
+#define isPCASMDIR(x) ((PCODE(x)->type == PC_ASMDIR))
+
+/*
+ macros for checking pCodeInstruction types
+*/
+#define isCALL(x) (isPCI(x) && (PCI(x)->op == POC_CALL))
+#define isPCI_BRANCH(x) (isPCI(x) && PCI(x)->isBranch)
+#define isPCI_SKIP(x) (isPCI(x) && PCI(x)->isSkip)
+#define isPCI_LIT(x) (isPCI(x) && PCI(x)->isLit)
+#define isPCI_BITSKIP(x)(isPCI_SKIP(x) && PCI(x)->isBitInst)
+
+
+#define isSTATUS_REG(r) ((r)->pc_type == PO_STATUS)
+
/*-----------------------------------------------------------------*
* pCode functions.
*-----------------------------------------------------------------*/
pCode *newpCode (PIC_OPCODE op, pCodeOp *pcop); // Create a new pCode given an operand
pCode *newpCodeCharP(char *cP); // Create a new pCode given a char *
-pCode *newpCodeFunction(char *g, char *f); // Create a new function
-pCode *newpCodeLabel(int key); // Create a new label given a key
-pCode *newpCodeLabelStr(char *str); // Create a new label given a string
+pCode *newpCodeFunction(char *g, char *f,int); // Create a new function
+pCode *newpCodeLabel(char *name,int key); // Create a new label given a key
+pCode *newpCodeCSource(int ln, char *f, const char *l); // Create a new symbol line
+pCode *newpCodeWild(int pCodeID, pCodeOp *optional_operand, pCodeOp *optional_label);
+pCode *findNextInstruction(pCode *pci);
+pCode *findPrevInstruction(pCode *pci);
+pCode *findNextpCode(pCode *pc, PC_TYPE pct);
+pCode *pCodeInstructionCopy(pCodeInstruction *pci,int invert);
+
pBlock *newpCodeChain(memmap *cm,char c, pCode *pc); // Create a new pBlock
void printpBlock(FILE *of, pBlock *pb); // Write a pBlock to a file
void printpCode(FILE *of, pCode *pc); // Write a pCode to a file
void addpCode2pBlock(pBlock *pb, pCode *pc); // Add a pCode to a pBlock
void addpBlock(pBlock *pb); // Add a pBlock to a pFile
+void unlinkpCode(pCode *pc);
void copypCode(FILE *of, char dbName); // Write all pBlocks with dbName to *of
void movepBlock2Head(char dbName); // move pBlocks around
+void AnalyzeBanking(void);
+void ReuseReg(void);
void AnalyzepCode(char dbName);
-void OptimizepCode(char dbName);
-void printCallTree(FILE *of);
-void pCodePeepInit(void);
-
-pCodeOp *newpCodeOpLabel(int key);
+void InlinepCode(void);
+void pCodeInitRegisters(void);
+void pic14initpCodePeepCommands(void);
+void pBlockConvert2ISR(pBlock *pb);
+void pBlockMergeLabels(pBlock *pb);
+void pCodeInsertAfter(pCode *pc1, pCode *pc2);
+void pCodeInsertBefore(pCode *pc1, pCode *pc2);
+void pCodeDeleteChain(pCode *f,pCode *t);
+
+pCode *newpCodeAsmDir(char *asdir, char *argfmt, ...);
+
+pCodeOp *newpCodeOpLabel(char *name, int key);
+pCodeOp *newpCodeOpImmd(char *name, int offset, int index, int code_space,int is_func);
pCodeOp *newpCodeOpLit(int lit);
-pCodeOp *newpCodeOpBit(char *name, int bit);
+pCodeOp *newpCodeOpBit(char *name, int bit,int inBitSpace);
+pCodeOp *newpCodeOpWild(int id, pCodeWildBlock *pcwb, pCodeOp *subtype);
+pCodeOp *newpCodeOpRegFromStr(char *name);
pCodeOp *newpCodeOp(char *name, PIC_OPTYPE p);
-extern void pcode_test(void);
+pCodeOp *pCodeOpCopy(pCodeOp *pcop);
+pCodeOp *popCopyGPR2Bit(pCodeOp *pc, int bitval);
+pCodeOp *popCopyReg(pCodeOpReg *pc);
+
+pBranch *pBranchAppend(pBranch *h, pBranch *n);
+
+struct regs * getRegFromInstruction(pCode *pc);
+
+char *get_op(pCodeOp *pcop, char *buff, size_t buf_size);
+char *pCode2str(char *str, size_t size, pCode *pc);
+
+int pCodePeepMatchRule(pCode *pc);
+
+void pcode_test(void);
+void resetpCodeStatistics (void);
+void dumppCodeStatistics (FILE *of);
/*-----------------------------------------------------------------*
* pCode objects.
*-----------------------------------------------------------------*/
extern pCodeOpReg pc_status;
+extern pCodeOpReg pc_intcon;
extern pCodeOpReg pc_indf;
extern pCodeOpReg pc_fsr;
+extern pCodeOpReg pc_pcl;
+extern pCodeOpReg pc_pclath;
+extern pCodeOpReg pc_wsave; /* wsave, ssave and psave are used to save W, the Status and PCLATH*/
+extern pCodeOpReg pc_ssave; /* registers during an interrupt */
+extern pCodeOpReg pc_psave; /* registers during an interrupt */
+extern pFile *the_pFile;
+extern pCodeInstruction *pic14Mnemonics[MAX_PIC14MNEMONICS];
-//////////////////// DELETE THIS ///////////////////
-/*-----------------------------------------------------------------*/
-/* Allocation macros that replace those in SDCCalloc.h */
-/* Why? I dunno. I ran across a bug with those macros that */
-/* I couldn't fix, but I could work around... */
-/*-----------------------------------------------------------------*/
-# define GC_malloc(x) calloc((x), 1)
-
-#define _ALLOC(x,sz) if (!(x = calloc((sz),1) )) \
- { \
- werror(E_OUT_OF_MEM,__FILE__,(long) sz);\
- exit (1); \
- }
-
-#define _ALLOC_ATOMIC(x,y) if (!((x) = malloc(y))) \
- { \
- werror(E_OUT_OF_MEM,__FILE__,(long) y); \
- exit (1); \
- }
+/*
+ * From pcodepeep.h:
+ */
+int getpCode(char *mnem, unsigned dest);
+int getpCodePeepCommand(char *cmd);
+int pCodeSearchCondition(pCode *pc, unsigned int cond, int contIfSkip);
#endif // __PCODE_H__
+
projects / fw / sdcc / blobdiff