mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 20:29:48 +00:00
db3de10637
that each comment ends with a newline to match the definition in the header file. This is part of <rdar://problem/14687488>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191787 91177308-0d34-0410-b5e6-96231b3b80d8
111 lines
3.0 KiB
C++
111 lines
3.0 KiB
C++
//===-- MCInstPrinter.cpp - Convert an MCInst to target assembly syntax ---===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/MC/MCInstPrinter.h"
|
|
#include "llvm/ADT/StringRef.h"
|
|
#include "llvm/MC/MCAsmInfo.h"
|
|
#include "llvm/MC/MCInstrInfo.h"
|
|
#include "llvm/Support/ErrorHandling.h"
|
|
#include "llvm/Support/Format.h"
|
|
#include "llvm/Support/raw_ostream.h"
|
|
using namespace llvm;
|
|
|
|
MCInstPrinter::~MCInstPrinter() {
|
|
}
|
|
|
|
/// getOpcodeName - Return the name of the specified opcode enum (e.g.
|
|
/// "MOV32ri") or empty if we can't resolve it.
|
|
StringRef MCInstPrinter::getOpcodeName(unsigned Opcode) const {
|
|
return MII.getName(Opcode);
|
|
}
|
|
|
|
void MCInstPrinter::printRegName(raw_ostream &OS, unsigned RegNo) const {
|
|
llvm_unreachable("Target should implement this");
|
|
}
|
|
|
|
void MCInstPrinter::printAnnotation(raw_ostream &OS, StringRef Annot) {
|
|
if (!Annot.empty()) {
|
|
if (CommentStream) {
|
|
(*CommentStream) << Annot;
|
|
// By definition (see MCInstPrinter.h), CommentStream must end with
|
|
// a newline after each comment.
|
|
if (Annot.back() != '\n')
|
|
(*CommentStream) << '\n';
|
|
} else
|
|
OS << " " << MAI.getCommentString() << " " << Annot;
|
|
}
|
|
}
|
|
|
|
/// Utility functions to make adding mark ups simpler.
|
|
StringRef MCInstPrinter::markup(StringRef s) const {
|
|
if (getUseMarkup())
|
|
return s;
|
|
else
|
|
return "";
|
|
}
|
|
StringRef MCInstPrinter::markup(StringRef a, StringRef b) const {
|
|
if (getUseMarkup())
|
|
return a;
|
|
else
|
|
return b;
|
|
}
|
|
|
|
// For asm-style hex (e.g. 0ffh) the first digit always has to be a number.
|
|
static bool needsLeadingZero(uint64_t Value)
|
|
{
|
|
while(Value)
|
|
{
|
|
uint64_t digit = (Value >> 60) & 0xf;
|
|
if (digit != 0)
|
|
return (digit >= 0xa);
|
|
Value <<= 4;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
format_object1<int64_t> MCInstPrinter::formatDec(const int64_t Value) const {
|
|
return format("%" PRId64, Value);
|
|
}
|
|
|
|
format_object1<int64_t> MCInstPrinter::formatHex(const int64_t Value) const {
|
|
switch(PrintHexStyle) {
|
|
case HexStyle::C:
|
|
if (Value < 0)
|
|
return format("-0x%" PRIx64, -Value);
|
|
else
|
|
return format("0x%" PRIx64, Value);
|
|
case HexStyle::Asm:
|
|
if (Value < 0) {
|
|
if (needsLeadingZero((uint64_t)(-Value)))
|
|
return format("-0%" PRIx64 "h", -Value);
|
|
else
|
|
return format("-%" PRIx64 "h", -Value);
|
|
} else {
|
|
if (needsLeadingZero((uint64_t)(Value)))
|
|
return format("0%" PRIx64 "h", Value);
|
|
else
|
|
return format("%" PRIx64 "h", Value);
|
|
}
|
|
}
|
|
llvm_unreachable("unsupported print style");
|
|
}
|
|
|
|
format_object1<uint64_t> MCInstPrinter::formatHex(const uint64_t Value) const {
|
|
switch(PrintHexStyle) {
|
|
case HexStyle::C:
|
|
return format("0x%" PRIx64, Value);
|
|
case HexStyle::Asm:
|
|
if (needsLeadingZero(Value))
|
|
return format("0%" PRIx64 "h", Value);
|
|
else
|
|
return format("%" PRIx64 "h", Value);
|
|
}
|
|
llvm_unreachable("unsupported print style");
|
|
}
|