X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FX86%2FInstPrinter%2FX86IntelInstPrinter.cpp;h=8ea070b39fff5e992c8edb30c6808c40ed2c4427;hb=db9fa461d7d9643a1b25f13df73638be9c36cafb;hp=4ea662cbe0c1fdcdda50595fbc2789e7307f5927;hpb=c97ef618d2d849a272a353c2b4343fc5902cd921;p=oota-llvm.git diff --git a/lib/Target/X86/InstPrinter/X86IntelInstPrinter.cpp b/lib/Target/X86/InstPrinter/X86IntelInstPrinter.cpp index 4ea662cbe0c..8ea070b39ff 100644 --- a/lib/Target/X86/InstPrinter/X86IntelInstPrinter.cpp +++ b/lib/Target/X86/InstPrinter/X86IntelInstPrinter.cpp @@ -1,4 +1,4 @@ -//===-- X86IntelInstPrinter.cpp - AT&T assembly instruction printing ------===// +//===-- X86IntelInstPrinter.cpp - Intel assembly instruction printing -----===// // // The LLVM Compiler Infrastructure // @@ -7,17 +7,18 @@ // //===----------------------------------------------------------------------===// // -// 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 "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" @@ -32,6 +33,12 @@ 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. @@ -44,7 +51,8 @@ void X86IntelInstPrinter::printInst(const MCInst *MI, raw_ostream &OS, 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; @@ -62,6 +70,30 @@ void X86IntelInstPrinter::printSSECC(const MCInst *MI, unsigned Op, case 0xd: O << "ge"; break; case 0xe: O << "gt"; break; case 0xf: O << "true"; break; + } +} + +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; @@ -78,17 +110,27 @@ void X86IntelInstPrinter::printSSECC(const MCInst *MI, unsigned Op, 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; } } -/// print_pcrel_imm - This is used to print an immediate value that ends up +/// 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"); // If a symbolic branch target was added as a constant expression then print @@ -96,8 +138,7 @@ void X86IntelInstPrinter::print_pcrel_imm(const MCInst *MI, unsigned OpNo, const MCConstantExpr *BranchTarget = dyn_cast(Op.getExpr()); int64_t Address; if (BranchTarget && BranchTarget->EvaluateAsAbsolute(Address)) { - O << "0x"; - O.write_hex(Address); + O << formatHex((uint64_t)Address); } else { // Otherwise, just print the expression. @@ -106,18 +147,13 @@ void X86IntelInstPrinter::print_pcrel_imm(const MCInst *MI, unsigned OpNo, } } -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(); @@ -153,8 +189,7 @@ void X86IntelInstPrinter::printMemReference(const MCInst *MI, unsigned Op, printOperand(MI, Op+2, O); NeedPlus = true; } - - + if (!DispSpec.isImm()) { if (NeedPlus) O << " + "; assert(DispSpec.isExpr() && "non-immediate displacement for LEA?"); @@ -170,9 +205,46 @@ void X86IntelInstPrinter::printMemReference(const MCInst *MI, unsigned Op, 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::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 << ']'; +}