llvm-6502/lib/Target/X86/InstPrinter/X86IntelInstPrinter.h
Akira Hatanaka f09378397e [MCInstPrinter] Enable MCInstPrinter to change its behavior based on the
per-function subtarget.

Currently, code-gen passes the default or generic subtarget to the constructors
of MCInstPrinter subclasses (see LLVMTargetMachine::addPassesToEmitFile), which
enables some targets (AArch64, ARM, and X86) to change their instprinter's
behavior based on the subtarget feature bits. Since the backend can now use
different subtargets for each function, instprinter has to be changed to use the
per-function subtarget rather than the default subtarget.

This patch takes the first step towards enabling instprinter to change its
behavior based on the per-function subtarget. It adds a bit "PassSubtarget" to
AsmWriter which tells table-gen to pass a reference to MCSubtargetInfo to the
various print methods table-gen auto-generates. 

I will follow up with changes to instprinters of AArch64, ARM, and X86.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@233411 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-27 20:36:02 +00:00

165 lines
5.4 KiB
C++

//= X86IntelInstPrinter.h - Convert X86 MCInst to assembly syntax -*- C++ -*-=//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This class prints an X86 MCInst to Intel style .s file syntax.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_X86_INSTPRINTER_X86INTELINSTPRINTER_H
#define LLVM_LIB_TARGET_X86_INSTPRINTER_X86INTELINSTPRINTER_H
#include "llvm/MC/MCInstPrinter.h"
#include "llvm/Support/raw_ostream.h"
namespace llvm {
class MCOperand;
class X86IntelInstPrinter final : public MCInstPrinter {
public:
X86IntelInstPrinter(const MCAsmInfo &MAI, const MCInstrInfo &MII,
const MCRegisterInfo &MRI)
: MCInstPrinter(MAI, MII, MRI) {}
void printRegName(raw_ostream &OS, unsigned RegNo) const override;
void printInst(const MCInst *MI, raw_ostream &OS, StringRef Annot,
const MCSubtargetInfo &STI) override;
// Autogenerated by tblgen.
void printInstruction(const MCInst *MI, raw_ostream &O);
static const char *getRegisterName(unsigned RegNo);
void printOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printMemReference(const MCInst *MI, unsigned Op, raw_ostream &O);
void printSSEAVXCC(const MCInst *MI, unsigned Op, raw_ostream &O);
void printXOPCC(const MCInst *MI, unsigned Op, raw_ostream &O);
void printPCRelImm(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printMemOffset(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printSrcIdx(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printDstIdx(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printRoundingControl(const MCInst *MI, unsigned Op, raw_ostream &OS);
void printU8Imm(const MCInst *MI, unsigned Op, raw_ostream &O);
void printanymem(const MCInst *MI, unsigned OpNo, raw_ostream &O) {
printMemReference(MI, OpNo, O);
}
void printopaquemem(const MCInst *MI, unsigned OpNo, raw_ostream &O) {
O << "opaque ptr ";
printMemReference(MI, OpNo, O);
}
void printi8mem(const MCInst *MI, unsigned OpNo, raw_ostream &O) {
O << "byte ptr ";
printMemReference(MI, OpNo, O);
}
void printi16mem(const MCInst *MI, unsigned OpNo, raw_ostream &O) {
O << "word ptr ";
printMemReference(MI, OpNo, O);
}
void printi32mem(const MCInst *MI, unsigned OpNo, raw_ostream &O) {
O << "dword ptr ";
printMemReference(MI, OpNo, O);
}
void printi64mem(const MCInst *MI, unsigned OpNo, raw_ostream &O) {
O << "qword ptr ";
printMemReference(MI, OpNo, O);
}
void printi128mem(const MCInst *MI, unsigned OpNo, raw_ostream &O) {
O << "xmmword ptr ";
printMemReference(MI, OpNo, O);
}
void printi256mem(const MCInst *MI, unsigned OpNo, raw_ostream &O) {
O << "ymmword ptr ";
printMemReference(MI, OpNo, O);
}
void printi512mem(const MCInst *MI, unsigned OpNo, raw_ostream &O) {
O << "zmmword ptr ";
printMemReference(MI, OpNo, O);
}
void printf32mem(const MCInst *MI, unsigned OpNo, raw_ostream &O) {
O << "dword ptr ";
printMemReference(MI, OpNo, O);
}
void printf64mem(const MCInst *MI, unsigned OpNo, raw_ostream &O) {
O << "qword ptr ";
printMemReference(MI, OpNo, O);
}
void printf80mem(const MCInst *MI, unsigned OpNo, raw_ostream &O) {
O << "xword ptr ";
printMemReference(MI, OpNo, O);
}
void printf128mem(const MCInst *MI, unsigned OpNo, raw_ostream &O) {
O << "xmmword ptr ";
printMemReference(MI, OpNo, O);
}
void printf256mem(const MCInst *MI, unsigned OpNo, raw_ostream &O) {
O << "ymmword ptr ";
printMemReference(MI, OpNo, O);
}
void printf512mem(const MCInst *MI, unsigned OpNo, raw_ostream &O) {
O << "zmmword ptr ";
printMemReference(MI, OpNo, O);
}
void printSrcIdx8(const MCInst *MI, unsigned OpNo, raw_ostream &O) {
O << "byte ptr ";
printSrcIdx(MI, OpNo, O);
}
void printSrcIdx16(const MCInst *MI, unsigned OpNo, raw_ostream &O) {
O << "word ptr ";
printSrcIdx(MI, OpNo, O);
}
void printSrcIdx32(const MCInst *MI, unsigned OpNo, raw_ostream &O) {
O << "dword ptr ";
printSrcIdx(MI, OpNo, O);
}
void printSrcIdx64(const MCInst *MI, unsigned OpNo, raw_ostream &O) {
O << "qword ptr ";
printSrcIdx(MI, OpNo, O);
}
void printDstIdx8(const MCInst *MI, unsigned OpNo, raw_ostream &O) {
O << "byte ptr ";
printDstIdx(MI, OpNo, O);
}
void printDstIdx16(const MCInst *MI, unsigned OpNo, raw_ostream &O) {
O << "word ptr ";
printDstIdx(MI, OpNo, O);
}
void printDstIdx32(const MCInst *MI, unsigned OpNo, raw_ostream &O) {
O << "dword ptr ";
printDstIdx(MI, OpNo, O);
}
void printDstIdx64(const MCInst *MI, unsigned OpNo, raw_ostream &O) {
O << "qword ptr ";
printDstIdx(MI, OpNo, O);
}
void printMemOffs8(const MCInst *MI, unsigned OpNo, raw_ostream &O) {
O << "byte ptr ";
printMemOffset(MI, OpNo, O);
}
void printMemOffs16(const MCInst *MI, unsigned OpNo, raw_ostream &O) {
O << "word ptr ";
printMemOffset(MI, OpNo, O);
}
void printMemOffs32(const MCInst *MI, unsigned OpNo, raw_ostream &O) {
O << "dword ptr ";
printMemOffset(MI, OpNo, O);
}
void printMemOffs64(const MCInst *MI, unsigned OpNo, raw_ostream &O) {
O << "qword ptr ";
printMemOffset(MI, OpNo, O);
}
};
}
#endif