diff options
Diffstat (limited to 'lib/Target/SystemZ/AsmPrinter/SystemZAsmPrinter.cpp')
-rw-r--r-- | lib/Target/SystemZ/AsmPrinter/SystemZAsmPrinter.cpp | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/lib/Target/SystemZ/AsmPrinter/SystemZAsmPrinter.cpp b/lib/Target/SystemZ/AsmPrinter/SystemZAsmPrinter.cpp index 8306e26..f98d4ed 100644 --- a/lib/Target/SystemZ/AsmPrinter/SystemZAsmPrinter.cpp +++ b/lib/Target/SystemZ/AsmPrinter/SystemZAsmPrinter.cpp @@ -181,11 +181,22 @@ void SystemZAsmPrinter::printOperand(const MachineInstr *MI, int OpNum, const char* Modifier) { const MachineOperand &MO = MI->getOperand(OpNum); switch (MO.getType()) { - case MachineOperand::MO_Register: + case MachineOperand::MO_Register: { assert (TargetRegisterInfo::isPhysicalRegister(MO.getReg()) && "Virtual registers should be already mapped!"); - O << '%' << TM.getRegisterInfo()->get(MO.getReg()).AsmName; + unsigned Reg = MO.getReg(); + if (Modifier && strncmp(Modifier, "subreg", 6) == 0) { + if (strncmp(Modifier + 7, "even", 4) == 0) + Reg = TRI->getSubReg(Reg, SystemZ::SUBREG_EVEN); + else if (strncmp(Modifier + 7, "odd", 3) == 0) + Reg = TRI->getSubReg(Reg, SystemZ::SUBREG_ODD); + else + assert(0 && "Invalid subreg modifier"); + } + + O << '%' << TRI->getAsmName(Reg); return; + } case MachineOperand::MO_Immediate: O << MO.getImm(); return; |