diff options
Diffstat (limited to 'contrib/llvm/lib/Target/X86/InstPrinter/X86IntelInstPrinter.cpp')
-rw-r--r-- | contrib/llvm/lib/Target/X86/InstPrinter/X86IntelInstPrinter.cpp | 131 |
1 files changed, 12 insertions, 119 deletions
diff --git a/contrib/llvm/lib/Target/X86/InstPrinter/X86IntelInstPrinter.cpp b/contrib/llvm/lib/Target/X86/InstPrinter/X86IntelInstPrinter.cpp index 79a8e3049702..044b71564152 100644 --- a/contrib/llvm/lib/Target/X86/InstPrinter/X86IntelInstPrinter.cpp +++ b/contrib/llvm/lib/Target/X86/InstPrinter/X86IntelInstPrinter.cpp @@ -19,6 +19,7 @@ #include "llvm/MC/MCInst.h" #include "llvm/MC/MCInstrDesc.h" #include "llvm/MC/MCInstrInfo.h" +#include "llvm/MC/MCSubtargetInfo.h" #include "llvm/Support/Casting.h" #include "llvm/Support/ErrorHandling.h" #include <cassert> @@ -37,116 +38,21 @@ void X86IntelInstPrinter::printRegName(raw_ostream &OS, unsigned RegNo) const { void X86IntelInstPrinter::printInst(const MCInst *MI, raw_ostream &OS, StringRef Annot, const MCSubtargetInfo &STI) { - const MCInstrDesc &Desc = MII.get(MI->getOpcode()); - uint64_t TSFlags = Desc.TSFlags; - unsigned Flags = MI->getFlags(); + printInstFlags(MI, OS); - if ((TSFlags & X86II::LOCK) || (Flags & X86::IP_HAS_LOCK)) - OS << "\tlock\t"; - - if (Flags & X86::IP_HAS_REPEAT_NE) - OS << "\trepne\t"; - else if (Flags & X86::IP_HAS_REPEAT) - OS << "\trep\t"; - - printInstruction(MI, OS); + // In 16-bit mode, print data16 as data32. + if (MI->getOpcode() == X86::DATA16_PREFIX && + STI.getFeatureBits()[X86::Mode16Bit]) { + OS << "\tdata32"; + } else + printInstruction(MI, OS); // Next always print the annotation. printAnnotation(OS, Annot); // If verbose assembly is enabled, we can print some informative comments. if (CommentStream) - EmitAnyX86InstComments(MI, *CommentStream, getRegisterName); -} - -void X86IntelInstPrinter::printSSEAVXCC(const MCInst *MI, unsigned Op, - raw_ostream &O) { - int64_t Imm = MI->getOperand(Op).getImm(); - 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::printXOPCC(const MCInst *MI, unsigned Op, - raw_ostream &O) { - int64_t Imm = MI->getOperand(Op).getImm(); - switch (Imm) { - default: llvm_unreachable("Invalid xopcc argument!"); - case 0: O << "lt"; break; - case 1: O << "le"; break; - case 2: O << "gt"; break; - case 3: O << "ge"; break; - case 4: O << "eq"; break; - case 5: O << "neq"; break; - case 6: O << "false"; break; - case 7: O << "true"; 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::printPCRelImm(const MCInst *MI, unsigned OpNo, - raw_ostream &O) { - const MCOperand &Op = MI->getOperand(OpNo); - if (Op.isImm()) - 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 - // 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. - Op.getExpr()->print(O, &MAI); - } - } + EmitAnyX86InstComments(MI, *CommentStream, MII); } void X86IntelInstPrinter::printOperand(const MCInst *MI, unsigned OpNo, @@ -169,13 +75,9 @@ void X86IntelInstPrinter::printMemReference(const MCInst *MI, unsigned Op, 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+X86::AddrSegmentReg, O); - O << ':'; - } + printOptionalSegReg(MI, Op + X86::AddrSegmentReg, O); O << '['; @@ -217,13 +119,8 @@ void X86IntelInstPrinter::printMemReference(const MCInst *MI, unsigned Op, 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 << ':'; - } + printOptionalSegReg(MI, Op + 1, O); O << '['; printOperand(MI, Op, O); O << ']'; @@ -240,13 +137,9 @@ void X86IntelInstPrinter::printDstIdx(const MCInst *MI, unsigned Op, 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 << ':'; - } + printOptionalSegReg(MI, Op + 1, O); O << '['; |