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X86Operand is extracted into individual header.

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X86Operand is extracted into individual header, because it allows to create an
arbitrary memory operand and append it to MCInst. It'll be reused in X86 inline
assembly instrumentation.

Patch by Yuri Gorshenin.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202496 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evgeniy Stepanov 2014-02-28 12:28:07 +00:00
parent 72667d1447
commit 2c4b1c4853
3 changed files with 533 additions and 497 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

499
lib/Target/X86/AsmParser/X86AsmParser.cpp
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@ -8,6 +8,8 @@
//===----------------------------------------------------------------------===//
#include "MCTargetDesc/X86BaseInfo.h"
#include "X86AsmParserCommon.h"
#include "X86Operand.h"
#include "llvm/ADT/APFloat.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallString.h"
@ -32,7 +34,6 @@
using namespace llvm;
namespace {
struct X86Operand;
static const char OpPrecedence[] = {
0, // IC_OR
@ -723,502 +724,6 @@ static unsigned MatchRegisterName(StringRef Name);
/// }
static bool isImmSExti16i8Value(uint64_t Value) {
return (( Value <= 0x000000000000007FULL)||
(0x000000000000FF80ULL <= Value && Value <= 0x000000000000FFFFULL)||
(0xFFFFFFFFFFFFFF80ULL <= Value && Value <= 0xFFFFFFFFFFFFFFFFULL));
}
static bool isImmSExti32i8Value(uint64_t Value) {
return (( Value <= 0x000000000000007FULL)||
(0x00000000FFFFFF80ULL <= Value && Value <= 0x00000000FFFFFFFFULL)||
(0xFFFFFFFFFFFFFF80ULL <= Value && Value <= 0xFFFFFFFFFFFFFFFFULL));
}
static bool isImmZExtu32u8Value(uint64_t Value) {
return (Value <= 0x00000000000000FFULL);
}
static bool isImmSExti64i8Value(uint64_t Value) {
return (( Value <= 0x000000000000007FULL)||
(0xFFFFFFFFFFFFFF80ULL <= Value && Value <= 0xFFFFFFFFFFFFFFFFULL));
}
static bool isImmSExti64i32Value(uint64_t Value) {
return (( Value <= 0x000000007FFFFFFFULL)||
(0xFFFFFFFF80000000ULL <= Value && Value <= 0xFFFFFFFFFFFFFFFFULL));
}
namespace {
/// X86Operand - Instances of this class represent a parsed X86 machine
/// instruction.
struct X86Operand : public MCParsedAsmOperand {
enum KindTy {
Token,
Register,
Immediate,
Memory
} Kind;
SMLoc StartLoc, EndLoc;
SMLoc OffsetOfLoc;
StringRef SymName;
void *OpDecl;
bool AddressOf;
struct TokOp {
const char *Data;
unsigned Length;
};
struct RegOp {
unsigned RegNo;
};
struct ImmOp {
const MCExpr *Val;
};
struct MemOp {
unsigned SegReg;
const MCExpr *Disp;
unsigned BaseReg;
unsigned IndexReg;
unsigned Scale;
unsigned Size;
};
union {
struct TokOp Tok;
struct RegOp Reg;
struct ImmOp Imm;
struct MemOp Mem;
};
X86Operand(KindTy K, SMLoc Start, SMLoc End)
: Kind(K), StartLoc(Start), EndLoc(End) {}
StringRef getSymName() { return SymName; }
void *getOpDecl() { return OpDecl; }
/// getStartLoc - Get the location of the first token of this operand.
SMLoc getStartLoc() const { return StartLoc; }
/// getEndLoc - Get the location of the last token of this operand.
SMLoc getEndLoc() const { return EndLoc; }
/// getLocRange - Get the range between the first and last token of this
/// operand.
SMRange getLocRange() const { return SMRange(StartLoc, EndLoc); }
/// getOffsetOfLoc - Get the location of the offset operator.
SMLoc getOffsetOfLoc() const { return OffsetOfLoc; }
virtual void print(raw_ostream &OS) const {}
StringRef getToken() const {
assert(Kind == Token && "Invalid access!");
return StringRef(Tok.Data, Tok.Length);
}
void setTokenValue(StringRef Value) {
assert(Kind == Token && "Invalid access!");
Tok.Data = Value.data();
Tok.Length = Value.size();
}
unsigned getReg() const {
assert(Kind == Register && "Invalid access!");
return Reg.RegNo;
}
const MCExpr *getImm() const {
assert(Kind == Immediate && "Invalid access!");
return Imm.Val;
}
const MCExpr *getMemDisp() const {
assert(Kind == Memory && "Invalid access!");
return Mem.Disp;
}
unsigned getMemSegReg() const {
assert(Kind == Memory && "Invalid access!");
return Mem.SegReg;
}
unsigned getMemBaseReg() const {
assert(Kind == Memory && "Invalid access!");
return Mem.BaseReg;
}
unsigned getMemIndexReg() const {
assert(Kind == Memory && "Invalid access!");
return Mem.IndexReg;
}
unsigned getMemScale() const {
assert(Kind == Memory && "Invalid access!");
return Mem.Scale;
}
bool isToken() const {return Kind == Token; }
bool isImm() const { return Kind == Immediate; }
bool isImmSExti16i8() const {
if (!isImm())
return false;
// If this isn't a constant expr, just assume it fits and let relaxation
// handle it.
const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm());
if (!CE)
return true;
// Otherwise, check the value is in a range that makes sense for this
// extension.
return isImmSExti16i8Value(CE->getValue());
}
bool isImmSExti32i8() const {
if (!isImm())
return false;
// If this isn't a constant expr, just assume it fits and let relaxation
// handle it.
const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm());
if (!CE)
return true;
// Otherwise, check the value is in a range that makes sense for this
// extension.
return isImmSExti32i8Value(CE->getValue());
}
bool isImmZExtu32u8() const {
if (!isImm())
return false;
// If this isn't a constant expr, just assume it fits and let relaxation
// handle it.
const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm());
if (!CE)
return true;
// Otherwise, check the value is in a range that makes sense for this
// extension.
return isImmZExtu32u8Value(CE->getValue());
}
bool isImmSExti64i8() const {
if (!isImm())
return false;
// If this isn't a constant expr, just assume it fits and let relaxation
// handle it.
const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm());
if (!CE)
return true;
// Otherwise, check the value is in a range that makes sense for this
// extension.
return isImmSExti64i8Value(CE->getValue());
}
bool isImmSExti64i32() const {
if (!isImm())
return false;
// If this isn't a constant expr, just assume it fits and let relaxation
// handle it.
const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm());
if (!CE)
return true;
// Otherwise, check the value is in a range that makes sense for this
// extension.
return isImmSExti64i32Value(CE->getValue());
}
bool isOffsetOf() const {
return OffsetOfLoc.getPointer();
}
bool needAddressOf() const {
return AddressOf;
}
bool isMem() const { return Kind == Memory; }
bool isMem8() const {
return Kind == Memory && (!Mem.Size || Mem.Size == 8);
}
bool isMem16() const {
return Kind == Memory && (!Mem.Size || Mem.Size == 16);
}
bool isMem32() const {
return Kind == Memory && (!Mem.Size || Mem.Size == 32);
}
bool isMem64() const {
return Kind == Memory && (!Mem.Size || Mem.Size == 64);
}
bool isMem80() const {
return Kind == Memory && (!Mem.Size || Mem.Size == 80);
}
bool isMem128() const {
return Kind == Memory && (!Mem.Size || Mem.Size == 128);
}
bool isMem256() const {
return Kind == Memory && (!Mem.Size || Mem.Size == 256);
}
bool isMem512() const {
return Kind == Memory && (!Mem.Size || Mem.Size == 512);
}
bool isMemVX32() const {
return Kind == Memory && (!Mem.Size || Mem.Size == 32) &&
getMemIndexReg() >= X86::XMM0 && getMemIndexReg() <= X86::XMM15;
}
bool isMemVY32() const {
return Kind == Memory && (!Mem.Size || Mem.Size == 32) &&
getMemIndexReg() >= X86::YMM0 && getMemIndexReg() <= X86::YMM15;
}
bool isMemVX64() const {
return Kind == Memory && (!Mem.Size || Mem.Size == 64) &&
getMemIndexReg() >= X86::XMM0 && getMemIndexReg() <= X86::XMM15;
}
bool isMemVY64() const {
return Kind == Memory && (!Mem.Size || Mem.Size == 64) &&
getMemIndexReg() >= X86::YMM0 && getMemIndexReg() <= X86::YMM15;
}
bool isMemVZ32() const {
return Kind == Memory && (!Mem.Size || Mem.Size == 32) &&
getMemIndexReg() >= X86::ZMM0 && getMemIndexReg() <= X86::ZMM31;
}
bool isMemVZ64() const {
return Kind == Memory && (!Mem.Size || Mem.Size == 64) &&
getMemIndexReg() >= X86::ZMM0 && getMemIndexReg() <= X86::ZMM31;
}
bool isAbsMem() const {
return Kind == Memory && !getMemSegReg() && !getMemBaseReg() &&
!getMemIndexReg() && getMemScale() == 1;
}
bool isSrcIdx() const {
return !getMemIndexReg() && getMemScale() == 1 &&
(getMemBaseReg() == X86::RSI || getMemBaseReg() == X86::ESI ||
getMemBaseReg() == X86::SI) && isa<MCConstantExpr>(getMemDisp()) &&
cast<MCConstantExpr>(getMemDisp())->getValue() == 0;
}
bool isSrcIdx8() const {
return isMem8() && isSrcIdx();
}
bool isSrcIdx16() const {
return isMem16() && isSrcIdx();
}
bool isSrcIdx32() const {
return isMem32() && isSrcIdx();
}
bool isSrcIdx64() const {
return isMem64() && isSrcIdx();
}
bool isDstIdx() const {
return !getMemIndexReg() && getMemScale() == 1 &&
(getMemSegReg() == 0 || getMemSegReg() == X86::ES) &&
(getMemBaseReg() == X86::RDI || getMemBaseReg() == X86::EDI ||
getMemBaseReg() == X86::DI) && isa<MCConstantExpr>(getMemDisp()) &&
cast<MCConstantExpr>(getMemDisp())->getValue() == 0;
}
bool isDstIdx8() const {
return isMem8() && isDstIdx();
}
bool isDstIdx16() const {
return isMem16() && isDstIdx();
}
bool isDstIdx32() const {
return isMem32() && isDstIdx();
}
bool isDstIdx64() const {
return isMem64() && isDstIdx();
}
bool isMemOffs8() const {
return Kind == Memory && !getMemBaseReg() &&
!getMemIndexReg() && getMemScale() == 1 && (!Mem.Size || Mem.Size == 8);
}
bool isMemOffs16() const {
return Kind == Memory && !getMemBaseReg() &&
!getMemIndexReg() && getMemScale() == 1 && (!Mem.Size || Mem.Size == 16);
}
bool isMemOffs32() const {
return Kind == Memory && !getMemBaseReg() &&
!getMemIndexReg() && getMemScale() == 1 && (!Mem.Size || Mem.Size == 32);
}
bool isMemOffs64() const {
return Kind == Memory && !getMemBaseReg() &&
!getMemIndexReg() && getMemScale() == 1 && (!Mem.Size || Mem.Size == 64);
}
bool isReg() const { return Kind == Register; }
bool isGR32orGR64() const {
return Kind == Register &&
(X86MCRegisterClasses[X86::GR32RegClassID].contains(getReg()) ||
X86MCRegisterClasses[X86::GR64RegClassID].contains(getReg()));
}
void addExpr(MCInst &Inst, const MCExpr *Expr) const {
// Add as immediates when possible.
if (const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(Expr))
Inst.addOperand(MCOperand::CreateImm(CE->getValue()));
else
Inst.addOperand(MCOperand::CreateExpr(Expr));
}
void addRegOperands(MCInst &Inst, unsigned N) const {
assert(N == 1 && "Invalid number of operands!");
Inst.addOperand(MCOperand::CreateReg(getReg()));
}
static unsigned getGR32FromGR64(unsigned RegNo) {
switch (RegNo) {
default: llvm_unreachable("Unexpected register");
case X86::RAX: return X86::EAX;
case X86::RCX: return X86::ECX;
case X86::RDX: return X86::EDX;
case X86::RBX: return X86::EBX;
case X86::RBP: return X86::EBP;
case X86::RSP: return X86::ESP;
case X86::RSI: return X86::ESI;
case X86::RDI: return X86::EDI;
case X86::R8: return X86::R8D;
case X86::R9: return X86::R9D;
case X86::R10: return X86::R10D;
case X86::R11: return X86::R11D;
case X86::R12: return X86::R12D;
case X86::R13: return X86::R13D;
case X86::R14: return X86::R14D;
case X86::R15: return X86::R15D;
case X86::RIP: return X86::EIP;
}
}
void addGR32orGR64Operands(MCInst &Inst, unsigned N) const {
assert(N == 1 && "Invalid number of operands!");
unsigned RegNo = getReg();
if (X86MCRegisterClasses[X86::GR64RegClassID].contains(RegNo))
RegNo = getGR32FromGR64(RegNo);
Inst.addOperand(MCOperand::CreateReg(RegNo));
}
void addImmOperands(MCInst &Inst, unsigned N) const {
assert(N == 1 && "Invalid number of operands!");
addExpr(Inst, getImm());
}
void addMemOperands(MCInst &Inst, unsigned N) const {
assert((N == 5) && "Invalid number of operands!");
Inst.addOperand(MCOperand::CreateReg(getMemBaseReg()));
Inst.addOperand(MCOperand::CreateImm(getMemScale()));
Inst.addOperand(MCOperand::CreateReg(getMemIndexReg()));
addExpr(Inst, getMemDisp());
Inst.addOperand(MCOperand::CreateReg(getMemSegReg()));
}
void addAbsMemOperands(MCInst &Inst, unsigned N) const {
assert((N == 1) && "Invalid number of operands!");
// Add as immediates when possible.
if (const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getMemDisp()))
Inst.addOperand(MCOperand::CreateImm(CE->getValue()));
else
Inst.addOperand(MCOperand::CreateExpr(getMemDisp()));
}
void addSrcIdxOperands(MCInst &Inst, unsigned N) const {
assert((N == 2) && "Invalid number of operands!");
Inst.addOperand(MCOperand::CreateReg(getMemBaseReg()));
Inst.addOperand(MCOperand::CreateReg(getMemSegReg()));
}
void addDstIdxOperands(MCInst &Inst, unsigned N) const {
assert((N == 1) && "Invalid number of operands!");
Inst.addOperand(MCOperand::CreateReg(getMemBaseReg()));
}
void addMemOffsOperands(MCInst &Inst, unsigned N) const {
assert((N == 2) && "Invalid number of operands!");
// Add as immediates when possible.
if (const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getMemDisp()))
Inst.addOperand(MCOperand::CreateImm(CE->getValue()));
else
Inst.addOperand(MCOperand::CreateExpr(getMemDisp()));
Inst.addOperand(MCOperand::CreateReg(getMemSegReg()));
}
static X86Operand *CreateToken(StringRef Str, SMLoc Loc) {
SMLoc EndLoc = SMLoc::getFromPointer(Loc.getPointer() + Str.size());
X86Operand *Res = new X86Operand(Token, Loc, EndLoc);
Res->Tok.Data = Str.data();
Res->Tok.Length = Str.size();
return Res;
}
static X86Operand *CreateReg(unsigned RegNo, SMLoc StartLoc, SMLoc EndLoc,
bool AddressOf = false,
SMLoc OffsetOfLoc = SMLoc(),
StringRef SymName = StringRef(),
void *OpDecl = 0) {
X86Operand *Res = new X86Operand(Register, StartLoc, EndLoc);
Res->Reg.RegNo = RegNo;
Res->AddressOf = AddressOf;
Res->OffsetOfLoc = OffsetOfLoc;
Res->SymName = SymName;
Res->OpDecl = OpDecl;
return Res;
}
static X86Operand *CreateImm(const MCExpr *Val, SMLoc StartLoc, SMLoc EndLoc){
X86Operand *Res = new X86Operand(Immediate, StartLoc, EndLoc);
Res->Imm.Val = Val;
return Res;
}
/// Create an absolute memory operand.
static X86Operand *CreateMem(const MCExpr *Disp, SMLoc StartLoc, SMLoc EndLoc,
unsigned Size = 0, StringRef SymName = StringRef(),
void *OpDecl = 0) {
X86Operand *Res = new X86Operand(Memory, StartLoc, EndLoc);
Res->Mem.SegReg = 0;
Res->Mem.Disp = Disp;
Res->Mem.BaseReg = 0;
Res->Mem.IndexReg = 0;
Res->Mem.Scale = 1;
Res->Mem.Size = Size;
Res->SymName = SymName;
Res->OpDecl = OpDecl;
Res->AddressOf = false;
return Res;
}
/// Create a generalized memory operand.
static X86Operand *CreateMem(unsigned SegReg, const MCExpr *Disp,
unsigned BaseReg, unsigned IndexReg,
unsigned Scale, SMLoc StartLoc, SMLoc EndLoc,
unsigned Size = 0,
StringRef SymName = StringRef(),
void *OpDecl = 0) {
// We should never just have a displacement, that should be parsed as an
// absolute memory operand.
assert((SegReg || BaseReg || IndexReg) && "Invalid memory operand!");
// The scale should always be one of {1,2,4,8}.
assert(((Scale == 1 || Scale == 2 || Scale == 4 || Scale == 8)) &&
"Invalid scale!");
X86Operand *Res = new X86Operand(Memory, StartLoc, EndLoc);
Res->Mem.SegReg = SegReg;
Res->Mem.Disp = Disp;
Res->Mem.BaseReg = BaseReg;
Res->Mem.IndexReg = IndexReg;
Res->Mem.Scale = Scale;
Res->Mem.Size = Size;
Res->SymName = SymName;
Res->OpDecl = OpDecl;
Res->AddressOf = false;
return Res;
}
};
} // end anonymous namespace.
static bool CheckBaseRegAndIndexReg(unsigned BaseReg, unsigned IndexReg,
StringRef &ErrMsg) {
// If we have both a base register and an index register make sure they are

43
lib/Target/X86/AsmParser/X86AsmParserCommon.h Normal file
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@ -0,0 +1,43 @@
//===-- X86AsmParserCommon.h - Common functions for X86AsmParser ---------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef X86_ASM_PARSER_COMMON_H
#define X86_ASM_PARSER_COMMON_H
namespace llvm {
inline bool isImmSExti16i8Value(uint64_t Value) {
return (( Value <= 0x000000000000007FULL)||
(0x000000000000FF80ULL <= Value && Value <= 0x000000000000FFFFULL)||
(0xFFFFFFFFFFFFFF80ULL <= Value && Value <= 0xFFFFFFFFFFFFFFFFULL));
}
inline bool isImmSExti32i8Value(uint64_t Value) {
return (( Value <= 0x000000000000007FULL)||
(0x00000000FFFFFF80ULL <= Value && Value <= 0x00000000FFFFFFFFULL)||
(0xFFFFFFFFFFFFFF80ULL <= Value && Value <= 0xFFFFFFFFFFFFFFFFULL));
}
inline bool isImmZExtu32u8Value(uint64_t Value) {
return (Value <= 0x00000000000000FFULL);
}
inline bool isImmSExti64i8Value(uint64_t Value) {
return (( Value <= 0x000000000000007FULL)||
(0xFFFFFFFFFFFFFF80ULL <= Value && Value <= 0xFFFFFFFFFFFFFFFFULL));
}
inline bool isImmSExti64i32Value(uint64_t Value) {
return (( Value <= 0x000000007FFFFFFFULL)||
(0xFFFFFFFF80000000ULL <= Value && Value <= 0xFFFFFFFFFFFFFFFFULL));
}
} // End of namespace llvm
#endif // X86_ASM_PARSER_COMMON_H

488
lib/Target/X86/AsmParser/X86Operand.h Normal file
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@ -0,0 +1,488 @@
//===-- X86Operand.h - Parsed X86 machine instruction --------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef X86_OPERAND_H
#define X86_OPERAND_H
#include "X86AsmParserCommon.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCParser/MCParsedAsmOperand.h"
namespace llvm {
/// X86Operand - Instances of this class represent a parsed X86 machine
/// instruction.
struct X86Operand : public MCParsedAsmOperand {
enum KindTy {
Token,
Register,
Immediate,
Memory
} Kind;
SMLoc StartLoc, EndLoc;
SMLoc OffsetOfLoc;
StringRef SymName;
void *OpDecl;
bool AddressOf;
struct TokOp {
const char *Data;
unsigned Length;
};
struct RegOp {
unsigned RegNo;
};
struct ImmOp {
const MCExpr *Val;
};
struct MemOp {
unsigned SegReg;
const MCExpr *Disp;
unsigned BaseReg;
unsigned IndexReg;
unsigned Scale;
unsigned Size;
};
union {
struct TokOp Tok;
struct RegOp Reg;
struct ImmOp Imm;
struct MemOp Mem;
};
X86Operand(KindTy K, SMLoc Start, SMLoc End)
: Kind(K), StartLoc(Start), EndLoc(End) {}
StringRef getSymName() { return SymName; }
void *getOpDecl() { return OpDecl; }
/// getStartLoc - Get the location of the first token of this operand.
SMLoc getStartLoc() const { return StartLoc; }
/// getEndLoc - Get the location of the last token of this operand.
SMLoc getEndLoc() const { return EndLoc; }
/// getLocRange - Get the range between the first and last token of this
/// operand.
SMRange getLocRange() const { return SMRange(StartLoc, EndLoc); }
/// getOffsetOfLoc - Get the location of the offset operator.
SMLoc getOffsetOfLoc() const { return OffsetOfLoc; }
virtual void print(raw_ostream &OS) const {}
StringRef getToken() const {
assert(Kind == Token && "Invalid access!");
return StringRef(Tok.Data, Tok.Length);
}
void setTokenValue(StringRef Value) {
assert(Kind == Token && "Invalid access!");
Tok.Data = Value.data();
Tok.Length = Value.size();
}
unsigned getReg() const {
assert(Kind == Register && "Invalid access!");
return Reg.RegNo;
}
const MCExpr *getImm() const {
assert(Kind == Immediate && "Invalid access!");
return Imm.Val;
}
const MCExpr *getMemDisp() const {
assert(Kind == Memory && "Invalid access!");
return Mem.Disp;
}
unsigned getMemSegReg() const {
assert(Kind == Memory && "Invalid access!");
return Mem.SegReg;
}
unsigned getMemBaseReg() const {
assert(Kind == Memory && "Invalid access!");
return Mem.BaseReg;
}
unsigned getMemIndexReg() const {
assert(Kind == Memory && "Invalid access!");
return Mem.IndexReg;
}
unsigned getMemScale() const {
assert(Kind == Memory && "Invalid access!");
return Mem.Scale;
}
bool isToken() const {return Kind == Token; }
bool isImm() const { return Kind == Immediate; }
bool isImmSExti16i8() const {
if (!isImm())
return false;
// If this isn't a constant expr, just assume it fits and let relaxation
// handle it.
const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm());
if (!CE)
return true;
// Otherwise, check the value is in a range that makes sense for this
// extension.
return isImmSExti16i8Value(CE->getValue());
}
bool isImmSExti32i8() const {
if (!isImm())
return false;
// If this isn't a constant expr, just assume it fits and let relaxation
// handle it.
const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm());
if (!CE)
return true;
// Otherwise, check the value is in a range that makes sense for this
// extension.
return isImmSExti32i8Value(CE->getValue());
}
bool isImmZExtu32u8() const {
if (!isImm())
return false;
// If this isn't a constant expr, just assume it fits and let relaxation
// handle it.
const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm());
if (!CE)
return true;
// Otherwise, check the value is in a range that makes sense for this
// extension.
return isImmZExtu32u8Value(CE->getValue());
}
bool isImmSExti64i8() const {
if (!isImm())
return false;
// If this isn't a constant expr, just assume it fits and let relaxation
// handle it.
const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm());
if (!CE)
return true;
// Otherwise, check the value is in a range that makes sense for this
// extension.
return isImmSExti64i8Value(CE->getValue());
}
bool isImmSExti64i32() const {
if (!isImm())
return false;
// If this isn't a constant expr, just assume it fits and let relaxation
// handle it.
const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm());
if (!CE)
return true;
// Otherwise, check the value is in a range that makes sense for this
// extension.
return isImmSExti64i32Value(CE->getValue());
}
bool isOffsetOf() const {
return OffsetOfLoc.getPointer();
}
bool needAddressOf() const {
return AddressOf;
}
bool isMem() const { return Kind == Memory; }
bool isMem8() const {
return Kind == Memory && (!Mem.Size || Mem.Size == 8);
}
bool isMem16() const {
return Kind == Memory && (!Mem.Size || Mem.Size == 16);
}
bool isMem32() const {
return Kind == Memory && (!Mem.Size || Mem.Size == 32);
}
bool isMem64() const {
return Kind == Memory && (!Mem.Size || Mem.Size == 64);
}
bool isMem80() const {
return Kind == Memory && (!Mem.Size || Mem.Size == 80);
}
bool isMem128() const {
return Kind == Memory && (!Mem.Size || Mem.Size == 128);
}
bool isMem256() const {
return Kind == Memory && (!Mem.Size || Mem.Size == 256);
}
bool isMem512() const {
return Kind == Memory && (!Mem.Size || Mem.Size == 512);
}
bool isMemVX32() const {
return Kind == Memory && (!Mem.Size || Mem.Size == 32) &&
getMemIndexReg() >= X86::XMM0 && getMemIndexReg() <= X86::XMM15;
}
bool isMemVY32() const {
return Kind == Memory && (!Mem.Size || Mem.Size == 32) &&
getMemIndexReg() >= X86::YMM0 && getMemIndexReg() <= X86::YMM15;
}
bool isMemVX64() const {
return Kind == Memory && (!Mem.Size || Mem.Size == 64) &&
getMemIndexReg() >= X86::XMM0 && getMemIndexReg() <= X86::XMM15;
}
bool isMemVY64() const {
return Kind == Memory && (!Mem.Size || Mem.Size == 64) &&
getMemIndexReg() >= X86::YMM0 && getMemIndexReg() <= X86::YMM15;
}
bool isMemVZ32() const {
return Kind == Memory && (!Mem.Size || Mem.Size == 32) &&
getMemIndexReg() >= X86::ZMM0 && getMemIndexReg() <= X86::ZMM31;
}
bool isMemVZ64() const {
return Kind == Memory && (!Mem.Size || Mem.Size == 64) &&
getMemIndexReg() >= X86::ZMM0 && getMemIndexReg() <= X86::ZMM31;
}
bool isAbsMem() const {
return Kind == Memory && !getMemSegReg() && !getMemBaseReg() &&
!getMemIndexReg() && getMemScale() == 1;
}
bool isSrcIdx() const {
return !getMemIndexReg() && getMemScale() == 1 &&
(getMemBaseReg() == X86::RSI || getMemBaseReg() == X86::ESI ||
getMemBaseReg() == X86::SI) && isa<MCConstantExpr>(getMemDisp()) &&
cast<MCConstantExpr>(getMemDisp())->getValue() == 0;
}
bool isSrcIdx8() const {
return isMem8() && isSrcIdx();
}
bool isSrcIdx16() const {
return isMem16() && isSrcIdx();
}
bool isSrcIdx32() const {
return isMem32() && isSrcIdx();
}
bool isSrcIdx64() const {
return isMem64() && isSrcIdx();
}
bool isDstIdx() const {
return !getMemIndexReg() && getMemScale() == 1 &&
(getMemSegReg() == 0 || getMemSegReg() == X86::ES) &&
(getMemBaseReg() == X86::RDI || getMemBaseReg() == X86::EDI ||
getMemBaseReg() == X86::DI) && isa<MCConstantExpr>(getMemDisp()) &&
cast<MCConstantExpr>(getMemDisp())->getValue() == 0;
}
bool isDstIdx8() const {
return isMem8() && isDstIdx();
}
bool isDstIdx16() const {
return isMem16() && isDstIdx();
}
bool isDstIdx32() const {
return isMem32() && isDstIdx();
}
bool isDstIdx64() const {
return isMem64() && isDstIdx();
}
bool isMemOffs8() const {
return Kind == Memory && !getMemBaseReg() &&
!getMemIndexReg() && getMemScale() == 1 && (!Mem.Size || Mem.Size == 8);
}
bool isMemOffs16() const {
return Kind == Memory && !getMemBaseReg() &&
!getMemIndexReg() && getMemScale() == 1 && (!Mem.Size || Mem.Size == 16);
}
bool isMemOffs32() const {
return Kind == Memory && !getMemBaseReg() &&
!getMemIndexReg() && getMemScale() == 1 && (!Mem.Size || Mem.Size == 32);
}
bool isMemOffs64() const {
return Kind == Memory && !getMemBaseReg() &&
!getMemIndexReg() && getMemScale() == 1 && (!Mem.Size || Mem.Size == 64);
}
bool isReg() const { return Kind == Register; }
bool isGR32orGR64() const {
return Kind == Register &&
(X86MCRegisterClasses[X86::GR32RegClassID].contains(getReg()) ||
X86MCRegisterClasses[X86::GR64RegClassID].contains(getReg()));
}
void addExpr(MCInst &Inst, const MCExpr *Expr) const {
// Add as immediates when possible.
if (const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(Expr))
Inst.addOperand(MCOperand::CreateImm(CE->getValue()));
else
Inst.addOperand(MCOperand::CreateExpr(Expr));
}
void addRegOperands(MCInst &Inst, unsigned N) const {
assert(N == 1 && "Invalid number of operands!");
Inst.addOperand(MCOperand::CreateReg(getReg()));
}
static unsigned getGR32FromGR64(unsigned RegNo) {
switch (RegNo) {
default: llvm_unreachable("Unexpected register");
case X86::RAX: return X86::EAX;
case X86::RCX: return X86::ECX;
case X86::RDX: return X86::EDX;
case X86::RBX: return X86::EBX;
case X86::RBP: return X86::EBP;
case X86::RSP: return X86::ESP;
case X86::RSI: return X86::ESI;
case X86::RDI: return X86::EDI;
case X86::R8: return X86::R8D;
case X86::R9: return X86::R9D;
case X86::R10: return X86::R10D;
case X86::R11: return X86::R11D;
case X86::R12: return X86::R12D;
case X86::R13: return X86::R13D;
case X86::R14: return X86::R14D;
case X86::R15: return X86::R15D;
case X86::RIP: return X86::EIP;
}
}
void addGR32orGR64Operands(MCInst &Inst, unsigned N) const {
assert(N == 1 && "Invalid number of operands!");
unsigned RegNo = getReg();
if (X86MCRegisterClasses[X86::GR64RegClassID].contains(RegNo))
RegNo = getGR32FromGR64(RegNo);
Inst.addOperand(MCOperand::CreateReg(RegNo));
}
void addImmOperands(MCInst &Inst, unsigned N) const {
assert(N == 1 && "Invalid number of operands!");
addExpr(Inst, getImm());
}
void addMemOperands(MCInst &Inst, unsigned N) const {
assert((N == 5) && "Invalid number of operands!");
Inst.addOperand(MCOperand::CreateReg(getMemBaseReg()));
Inst.addOperand(MCOperand::CreateImm(getMemScale()));
Inst.addOperand(MCOperand::CreateReg(getMemIndexReg()));
addExpr(Inst, getMemDisp());
Inst.addOperand(MCOperand::CreateReg(getMemSegReg()));
}
void addAbsMemOperands(MCInst &Inst, unsigned N) const {
assert((N == 1) && "Invalid number of operands!");
// Add as immediates when possible.
if (const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getMemDisp()))
Inst.addOperand(MCOperand::CreateImm(CE->getValue()));
else
Inst.addOperand(MCOperand::CreateExpr(getMemDisp()));
}
void addSrcIdxOperands(MCInst &Inst, unsigned N) const {
assert((N == 2) && "Invalid number of operands!");
Inst.addOperand(MCOperand::CreateReg(getMemBaseReg()));
Inst.addOperand(MCOperand::CreateReg(getMemSegReg()));
}
void addDstIdxOperands(MCInst &Inst, unsigned N) const {
assert((N == 1) && "Invalid number of operands!");
Inst.addOperand(MCOperand::CreateReg(getMemBaseReg()));
}
void addMemOffsOperands(MCInst &Inst, unsigned N) const {
assert((N == 2) && "Invalid number of operands!");
// Add as immediates when possible.
if (const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getMemDisp()))
Inst.addOperand(MCOperand::CreateImm(CE->getValue()));
else
Inst.addOperand(MCOperand::CreateExpr(getMemDisp()));
Inst.addOperand(MCOperand::CreateReg(getMemSegReg()));
}
static X86Operand *CreateToken(StringRef Str, SMLoc Loc) {
SMLoc EndLoc = SMLoc::getFromPointer(Loc.getPointer() + Str.size());
X86Operand *Res = new X86Operand(Token, Loc, EndLoc);
Res->Tok.Data = Str.data();
Res->Tok.Length = Str.size();
return Res;
}
static X86Operand *CreateReg(unsigned RegNo, SMLoc StartLoc, SMLoc EndLoc,
bool AddressOf = false,
SMLoc OffsetOfLoc = SMLoc(),
StringRef SymName = StringRef(),
void *OpDecl = 0) {
X86Operand *Res = new X86Operand(Register, StartLoc, EndLoc);
Res->Reg.RegNo = RegNo;
Res->AddressOf = AddressOf;
Res->OffsetOfLoc = OffsetOfLoc;
Res->SymName = SymName;
Res->OpDecl = OpDecl;
return Res;
}
static X86Operand *CreateImm(const MCExpr *Val, SMLoc StartLoc, SMLoc EndLoc){
X86Operand *Res = new X86Operand(Immediate, StartLoc, EndLoc);
Res->Imm.Val = Val;
return Res;
}
/// Create an absolute memory operand.
static X86Operand *CreateMem(const MCExpr *Disp, SMLoc StartLoc, SMLoc EndLoc,
unsigned Size = 0, StringRef SymName = StringRef(),
void *OpDecl = 0) {
X86Operand *Res = new X86Operand(Memory, StartLoc, EndLoc);
Res->Mem.SegReg = 0;
Res->Mem.Disp = Disp;
Res->Mem.BaseReg = 0;
Res->Mem.IndexReg = 0;
Res->Mem.Scale = 1;
Res->Mem.Size = Size;
Res->SymName = SymName;
Res->OpDecl = OpDecl;
Res->AddressOf = false;
return Res;
}
/// Create a generalized memory operand.
static X86Operand *CreateMem(unsigned SegReg, const MCExpr *Disp,
unsigned BaseReg, unsigned IndexReg,
unsigned Scale, SMLoc StartLoc, SMLoc EndLoc,
unsigned Size = 0,
StringRef SymName = StringRef(),
void *OpDecl = 0) {
// We should never just have a displacement, that should be parsed as an
// absolute memory operand.
assert((SegReg || BaseReg || IndexReg) && "Invalid memory operand!");
// The scale should always be one of {1,2,4,8}.
assert(((Scale == 1 || Scale == 2 || Scale == 4 || Scale == 8)) &&
"Invalid scale!");
X86Operand *Res = new X86Operand(Memory, StartLoc, EndLoc);
Res->Mem.SegReg = SegReg;
Res->Mem.Disp = Disp;
Res->Mem.BaseReg = BaseReg;
Res->Mem.IndexReg = IndexReg;
Res->Mem.Scale = Scale;
Res->Mem.Size = Size;
Res->SymName = SymName;
Res->OpDecl = OpDecl;
Res->AddressOf = false;
return Res;
}
};
} // End of namespace llvm
#endif // X86_OPERAND