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Started separation between Low level and higher level instructions

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This commit is contained in:
Artur K
2012-02-29 18:13:43 +01:00
parent 0eab9d1db5
commit 6b7d3f6209
26 changed files with 747 additions and 730 deletions
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55
include/icode.h
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@@ -45,7 +45,7 @@ struct DU
/* Definition-use chain for level 1 (within a basic block) */
#define MAX_REGS_DEF 2 /* 2 regs def'd for long-reg vars */
#define MAX_USES 5
//#define MAX_USES 5
struct COND_EXPR;
@@ -162,11 +162,14 @@ struct LLOperand //: public llvm::MCOperand
void SetImmediateOp(uint32_t dw) {opz=dw;}
};
struct LLInst : public llvm::MCInst
struct LLInst : public llvm::ilist_node<LLInst>
{
protected:
uint32_t flg; /* icode flags */
public:
int codeIdx; /* Index into cCode.code */
llIcode opcode; /* llIcode instruction */
uint8_t numBytes; /* Number of bytes this instr */
uint32_t flg; /* icode flags */
uint32_t label; /* offset in image (20-bit adr) */
LLOperand dst; /* destination operand */
LLOperand src; /* source operand */
@@ -181,7 +184,18 @@ struct LLInst : public llvm::MCInst
{
return (opcode >= iJB) && (opcode < iJCXZ);
}
bool anyFlagSet(uint32_t x) const { return (flg & x)!=0;}
bool isLlFlag(uint32_t x) const { return (flg & x)!=0;}
void SetLlFlag(uint32_t flag) {flg |= flag;}
void ClrLlFlag(uint32_t flag) {flg &= ~flag;}
uint32_t GetLlFlag() const {return flg;}
llIcode GetLlOpcode() const { return opcode; }
uint32_t GetLlLabel() const { return label;}
void SetImmediateOp(uint32_t dw) {src.SetImmediateOp(dw);}
bool match(llIcode op)
{
return (opcode==op);
@@ -190,6 +204,10 @@ struct LLInst : public llvm::MCInst
{
return (opcode==op)&&dst.regi==dest;
}
bool match(llIcode op,eReg dest,uint32_t flgs)
{
return (opcode==op) and (dst.regi==dest) and isLlFlag(flgs);
}
bool match(llIcode op,eReg dest,eReg src_reg)
{
return (opcode==op)&&(dst.regi==dest)&&(src.regi==src_reg);
@@ -202,16 +220,25 @@ struct LLInst : public llvm::MCInst
{
return (dst.regi==dest);
}
bool match(llIcode op,uint32_t flgs)
{
return (opcode==op) and isLlFlag(flgs);
}
void set(llIcode op,uint32_t flags)
{
opcode = op;
flg =flags;
}
void emitGotoLabel(int indLevel);
};
/* Icode definition: LOW_LEVEL and HIGH_LEVEL */
struct ICODE
{
protected:
LLInst m_ll;
HLTYPE m_hl;
public:
/* Def/Use of registers and stack variables */
struct DU_ICODE
{
@@ -273,22 +300,12 @@ struct ICODE
BB *inBB; /* BB to which this icode belongs */
DU_ICODE du; /* Def/use regs/vars */
DU1 du1; /* du chain 1 */
int codeIdx; /* Index into cCode.code */
struct IC { /* Different types of icodes */
LLInst ll;
HLTYPE hl; /* For HIGH_LEVEL icodes */
};
IC ic;/* intermediate code */
LLInst * ll() { return &m_ll;}
const LLInst * ll() const { return &m_ll;}
HLTYPE * hl() { return &m_hl;}
const HLTYPE * hl() const { return &m_hl;}
int loc_ip; // used by CICodeRec to number ICODEs
void ClrLlFlag(uint32_t flag) {ic.ll.flg &= ~flag;}
void SetLlFlag(uint32_t flag) {ic.ll.flg |= flag;}
uint32_t GetLlFlag() {return ic.ll.flg;}
bool isLlFlag(uint32_t flg) {return (ic.ll.flg&flg)!=0;}
llIcode GetLlOpcode() const { return ic.ll.opcode; }
uint32_t GetLlLabel() const { return ic.ll.label;}
void SetImmediateOp(uint32_t dw) {ic.ll.src.SetImmediateOp(dw);}
void writeIntComment(std::ostringstream &s);
void setRegDU(uint8_t regi, operDu du_in);
void invalidate();
@@ -307,7 +324,7 @@ public:
void checkHlCall();
bool newStkArg(COND_EXPR *exp, llIcode opcode, Function *pproc)
{
return ic.hl.call.newStkArg(exp,opcode,pproc);
return hl()->call.newStkArg(exp,opcode,pproc);
}
};