diff options
Diffstat (limited to 'contrib/llvm/lib/Target/X86/InstPrinter/X86IntelInstPrinter.cpp')
-rw-r--r-- | contrib/llvm/lib/Target/X86/InstPrinter/X86IntelInstPrinter.cpp | 72 |
1 files changed, 52 insertions, 20 deletions
diff --git a/contrib/llvm/lib/Target/X86/InstPrinter/X86IntelInstPrinter.cpp b/contrib/llvm/lib/Target/X86/InstPrinter/X86IntelInstPrinter.cpp index f9ab5ae..4ea662c 100644 --- a/contrib/llvm/lib/Target/X86/InstPrinter/X86IntelInstPrinter.cpp +++ b/contrib/llvm/lib/Target/X86/InstPrinter/X86IntelInstPrinter.cpp @@ -17,15 +17,13 @@ #include "X86InstComments.h" #include "MCTargetDesc/X86MCTargetDesc.h" #include "llvm/MC/MCInst.h" -#include "llvm/MC/MCAsmInfo.h" #include "llvm/MC/MCExpr.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 { @@ -35,29 +33,52 @@ void X86IntelInstPrinter::printRegName(raw_ostream &OS, unsigned RegNo) const { void X86IntelInstPrinter::printInst(const MCInst *MI, raw_ostream &OS, StringRef Annot) { 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()) { - 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; + } } @@ -70,7 +91,18 @@ void X86IntelInstPrinter::print_pcrel_imm(const MCInst *MI, unsigned OpNo, 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(); + } } } |