-//===-- X86IntelInstPrinter.cpp - AT&T assembly instruction printing ------===//
+//===-- X86IntelInstPrinter.cpp - Intel assembly instruction printing -----===//
//
// The LLVM Compiler Infrastructure
//
//
//===----------------------------------------------------------------------===//
//
-// This file includes code for rendering MCInst instances as AT&T-style
+// This file includes code for rendering MCInst instances as Intel-style
// assembly.
//
//===----------------------------------------------------------------------===//
#define DEBUG_TYPE "asm-printer"
#include "X86IntelInstPrinter.h"
-#include "X86InstComments.h"
+#include "MCTargetDesc/X86BaseInfo.h"
#include "MCTargetDesc/X86MCTargetDesc.h"
-#include "llvm/MC/MCInst.h"
-#include "llvm/MC/MCAsmInfo.h"
+#include "X86InstComments.h"
#include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCInst.h"
+#include "llvm/MC/MCInstrInfo.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/FormattedStream.h"
#include <cctype>
using namespace llvm;
-// Include the auto-generated portion of the assembly writer.
-#define GET_INSTRUCTION_NAME
#include "X86GenAsmWriter1.inc"
void X86IntelInstPrinter::printRegName(raw_ostream &OS, unsigned RegNo) const {
void X86IntelInstPrinter::printInst(const MCInst *MI, raw_ostream &OS,
StringRef Annot) {
+ const MCInstrDesc &Desc = MII.get(MI->getOpcode());
+ uint64_t TSFlags = Desc.TSFlags;
+
+ if (TSFlags & X86II::LOCK)
+ OS << "\tlock\n";
+
printInstruction(MI, OS);
-
+
+ // Next always print the annotation.
+ printAnnotation(OS, Annot);
+
// If verbose assembly is enabled, we can print some informative comments.
- if (CommentStream) {
- printAnnotation(OS, Annot);
+ if (CommentStream)
EmitAnyX86InstComments(MI, *CommentStream, getRegisterName);
- }
-}
-StringRef X86IntelInstPrinter::getOpcodeName(unsigned Opcode) const {
- return getInstructionName(Opcode);
}
void X86IntelInstPrinter::printSSECC(const MCInst *MI, unsigned Op,
raw_ostream &O) {
- switch (MI->getOperand(Op).getImm()) {
+ int64_t Imm = MI->getOperand(Op).getImm() & 0xf;
+ switch (Imm) {
default: llvm_unreachable("Invalid ssecc argument!");
- case 0: O << "eq"; break;
- case 1: O << "lt"; break;
- case 2: O << "le"; break;
- case 3: O << "unord"; break;
- case 4: O << "neq"; break;
- case 5: O << "nlt"; break;
- case 6: O << "nle"; break;
- case 7: O << "ord"; break;
+ case 0: O << "eq"; break;
+ case 1: O << "lt"; break;
+ case 2: O << "le"; break;
+ case 3: O << "unord"; break;
+ case 4: O << "neq"; break;
+ case 5: O << "nlt"; break;
+ case 6: O << "nle"; break;
+ case 7: O << "ord"; break;
+ case 8: O << "eq_uq"; break;
+ case 9: O << "nge"; break;
+ case 0xa: O << "ngt"; break;
+ case 0xb: O << "false"; break;
+ case 0xc: O << "neq_oq"; break;
+ case 0xd: O << "ge"; break;
+ case 0xe: O << "gt"; break;
+ case 0xf: O << "true"; break;
}
}
-/// print_pcrel_imm - This is used to print an immediate value that ends up
+void X86IntelInstPrinter::printAVXCC(const MCInst *MI, unsigned Op,
+ raw_ostream &O) {
+ int64_t Imm = MI->getOperand(Op).getImm() & 0x1f;
+ switch (Imm) {
+ default: llvm_unreachable("Invalid avxcc argument!");
+ case 0: O << "eq"; break;
+ case 1: O << "lt"; break;
+ case 2: O << "le"; break;
+ case 3: O << "unord"; break;
+ case 4: O << "neq"; break;
+ case 5: O << "nlt"; break;
+ case 6: O << "nle"; break;
+ case 7: O << "ord"; break;
+ case 8: O << "eq_uq"; break;
+ case 9: O << "nge"; break;
+ case 0xa: O << "ngt"; break;
+ case 0xb: O << "false"; break;
+ case 0xc: O << "neq_oq"; break;
+ case 0xd: O << "ge"; break;
+ case 0xe: O << "gt"; break;
+ case 0xf: O << "true"; break;
+ case 0x10: O << "eq_os"; break;
+ case 0x11: O << "lt_oq"; break;
+ case 0x12: O << "le_oq"; break;
+ case 0x13: O << "unord_s"; break;
+ case 0x14: O << "neq_us"; break;
+ case 0x15: O << "nlt_uq"; break;
+ case 0x16: O << "nle_uq"; break;
+ case 0x17: O << "ord_s"; break;
+ case 0x18: O << "eq_us"; break;
+ case 0x19: O << "nge_uq"; break;
+ case 0x1a: O << "ngt_uq"; break;
+ case 0x1b: O << "false_os"; break;
+ case 0x1c: O << "neq_os"; break;
+ case 0x1d: O << "ge_oq"; break;
+ case 0x1e: O << "gt_oq"; break;
+ case 0x1f: O << "true_us"; break;
+ }
+}
+
+void X86IntelInstPrinter::printRoundingControl(const MCInst *MI, unsigned Op,
+ raw_ostream &O) {
+ int64_t Imm = MI->getOperand(Op).getImm() & 0x3;
+ switch (Imm) {
+ case 0: O << "{rn-sae}"; break;
+ case 1: O << "{rd-sae}"; break;
+ case 2: O << "{ru-sae}"; break;
+ case 3: O << "{rz-sae}"; break;
+ }
+}
+
+/// printPCRelImm - This is used to print an immediate value that ends up
/// being encoded as a pc-relative value.
-void X86IntelInstPrinter::print_pcrel_imm(const MCInst *MI, unsigned OpNo,
- raw_ostream &O) {
+void X86IntelInstPrinter::printPCRelImm(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) {
const MCOperand &Op = MI->getOperand(OpNo);
if (Op.isImm())
- O << Op.getImm();
+ O << formatImm(Op.getImm());
else {
assert(Op.isExpr() && "unknown pcrel immediate operand");
- O << *Op.getExpr();
+ // If a symbolic branch target was added as a constant expression then print
+ // that address in hex.
+ const MCConstantExpr *BranchTarget = dyn_cast<MCConstantExpr>(Op.getExpr());
+ int64_t Address;
+ if (BranchTarget && BranchTarget->EvaluateAsAbsolute(Address)) {
+ O << formatHex((uint64_t)Address);
+ }
+ else {
+ // Otherwise, just print the expression.
+ O << *Op.getExpr();
+ }
}
}
-static void PrintRegName(raw_ostream &O, StringRef RegName) {
- for (unsigned i = 0, e = RegName.size(); i != e; ++i)
- O << (char)toupper(RegName[i]);
-}
-
void X86IntelInstPrinter::printOperand(const MCInst *MI, unsigned OpNo,
raw_ostream &O) {
const MCOperand &Op = MI->getOperand(OpNo);
if (Op.isReg()) {
- PrintRegName(O, getRegisterName(Op.getReg()));
+ printRegName(O, Op.getReg());
} else if (Op.isImm()) {
- O << Op.getImm();
+ O << formatImm((int64_t)Op.getImm());
} else {
assert(Op.isExpr() && "unknown operand kind in printOperand");
O << *Op.getExpr();
void X86IntelInstPrinter::printMemReference(const MCInst *MI, unsigned Op,
raw_ostream &O) {
- const MCOperand &BaseReg = MI->getOperand(Op);
- unsigned ScaleVal = MI->getOperand(Op+1).getImm();
- const MCOperand &IndexReg = MI->getOperand(Op+2);
- const MCOperand &DispSpec = MI->getOperand(Op+3);
- const MCOperand &SegReg = MI->getOperand(Op+4);
+ const MCOperand &BaseReg = MI->getOperand(Op+X86::AddrBaseReg);
+ unsigned ScaleVal = MI->getOperand(Op+X86::AddrScaleAmt).getImm();
+ const MCOperand &IndexReg = MI->getOperand(Op+X86::AddrIndexReg);
+ const MCOperand &DispSpec = MI->getOperand(Op+X86::AddrDisp);
+ const MCOperand &SegReg = MI->getOperand(Op+X86::AddrSegmentReg);
// If this has a segment register, print it.
if (SegReg.getReg()) {
- printOperand(MI, Op+4, O);
+ printOperand(MI, Op+X86::AddrSegmentReg, O);
O << ':';
}
bool NeedPlus = false;
if (BaseReg.getReg()) {
- printOperand(MI, Op, O);
+ printOperand(MI, Op+X86::AddrBaseReg, O);
NeedPlus = true;
}
if (NeedPlus) O << " + ";
if (ScaleVal != 1)
O << ScaleVal << '*';
- printOperand(MI, Op+2, O);
+ printOperand(MI, Op+X86::AddrIndexReg, O);
NeedPlus = true;
}
-
-
+
if (!DispSpec.isImm()) {
if (NeedPlus) O << " + ";
assert(DispSpec.isExpr() && "non-immediate displacement for LEA?");
DispVal = -DispVal;
}
}
- O << DispVal;
+ O << formatImm(DispVal);
}
}
O << ']';
}
+
+void X86IntelInstPrinter::printSrcIdx(const MCInst *MI, unsigned Op,
+ raw_ostream &O) {
+ const MCOperand &SegReg = MI->getOperand(Op+1);
+
+ // If this has a segment register, print it.
+ if (SegReg.getReg()) {
+ printOperand(MI, Op+1, O);
+ O << ':';
+ }
+ O << '[';
+ printOperand(MI, Op, O);
+ O << ']';
+}
+
+void X86IntelInstPrinter::printDstIdx(const MCInst *MI, unsigned Op,
+ raw_ostream &O) {
+ // DI accesses are always ES-based.
+ O << "es:[";
+ printOperand(MI, Op, O);
+ O << ']';
+}
+
+void X86IntelInstPrinter::printMemOffset(const MCInst *MI, unsigned Op,
+ raw_ostream &O) {
+ const MCOperand &DispSpec = MI->getOperand(Op);
+ const MCOperand &SegReg = MI->getOperand(Op+1);
+
+ // If this has a segment register, print it.
+ if (SegReg.getReg()) {
+ printOperand(MI, Op+1, O);
+ O << ':';
+ }
+
+ O << '[';
+
+ if (DispSpec.isImm()) {
+ O << formatImm(DispSpec.getImm());
+ } else {
+ assert(DispSpec.isExpr() && "non-immediate displacement?");
+ O << *DispSpec.getExpr();
+ }
+
+ O << ']';
+}
projects / oota-llvm.git / blobdiff