diff options
Diffstat (limited to 'lib/Target/X86/InstPrinter/X86ATTInstPrinter.cpp')
-rw-r--r-- | lib/Target/X86/InstPrinter/X86ATTInstPrinter.cpp | 78 |
1 files changed, 53 insertions, 25 deletions
diff --git a/lib/Target/X86/InstPrinter/X86ATTInstPrinter.cpp b/lib/Target/X86/InstPrinter/X86ATTInstPrinter.cpp index 029d491260f6..5118e4cad4e2 100644 --- a/lib/Target/X86/InstPrinter/X86ATTInstPrinter.cpp +++ b/lib/Target/X86/InstPrinter/X86ATTInstPrinter.cpp @@ -19,6 +19,8 @@ #include "llvm/MC/MCInst.h" #include "llvm/MC/MCAsmInfo.h" #include "llvm/MC/MCExpr.h" +#include "llvm/MC/MCInstrInfo.h" +#include "llvm/MC/MCRegisterInfo.h" #include "llvm/Support/ErrorHandling.h" #include "llvm/Support/Format.h" #include "llvm/Support/FormattedStream.h" @@ -26,14 +28,9 @@ using namespace llvm; // Include the auto-generated portion of the assembly writer. -#define GET_INSTRUCTION_NAME #define PRINT_ALIAS_INSTR #include "X86GenAsmWriter.inc" -X86ATTInstPrinter::X86ATTInstPrinter(const MCAsmInfo &MAI) - : MCInstPrinter(MAI) { -} - void X86ATTInstPrinter::printRegName(raw_ostream &OS, unsigned RegNo) const { OS << '%' << getRegisterName(RegNo); @@ -45,29 +42,50 @@ void X86ATTInstPrinter::printInst(const MCInst *MI, raw_ostream &OS, if (!printAliasInstr(MI, OS)) 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 X86ATTInstPrinter::getOpcodeName(unsigned Opcode) const { - return getInstructionName(Opcode); } void X86ATTInstPrinter::printSSECC(const MCInst *MI, unsigned Op, raw_ostream &O) { switch (MI->getOperand(Op).getImm()) { - default: assert(0 && "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; + 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 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; } } @@ -79,11 +97,21 @@ void X86ATTInstPrinter::print_pcrel_imm(const MCInst *MI, unsigned OpNo, raw_ostream &O) { const MCOperand &Op = MI->getOperand(OpNo); if (Op.isImm()) - // Print this as a signed 32-bit value. - O << (int)Op.getImm(); + O << 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 << "0x"; + O.write_hex(Address); + } + else { + // Otherwise, just print the expression. + O << *Op.getExpr(); + } } } @@ -97,7 +125,7 @@ void X86ATTInstPrinter::printOperand(const MCInst *MI, unsigned OpNo, O << '$' << (int64_t)Op.getImm(); if (CommentStream && (Op.getImm() > 255 || Op.getImm() < -256)) - *CommentStream << format("imm = 0x%llX\n", (long long)Op.getImm()); + *CommentStream << format("imm = 0x%" PRIX64 "\n", (uint64_t)Op.getImm()); } else { assert(Op.isExpr() && "unknown operand kind in printOperand"); |