Re-commit r98683 ("remove redundant writeback flag from ARM address mode 6")
with changes to add a separate optional register update argument. Change all
the NEON instructions with address register writeback to use it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99095 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/AsmPrinter/ARMInstPrinter.cpp b/lib/Target/ARM/AsmPrinter/ARMInstPrinter.cpp
index 33db90e..30763a9 100644
--- a/lib/Target/ARM/AsmPrinter/ARMInstPrinter.cpp
+++ b/lib/Target/ARM/AsmPrinter/ARMInstPrinter.cpp
@@ -428,17 +428,22 @@
void ARMInstPrinter::printAddrMode6Operand(const MCInst *MI, unsigned OpNum) {
const MCOperand &MO1 = MI->getOperand(OpNum);
const MCOperand &MO2 = MI->getOperand(OpNum+1);
- const MCOperand &MO3 = MI->getOperand(OpNum+2);
- // FIXME: No support yet for specifying alignment.
- O << '[' << getRegisterName(MO1.getReg()) << ']';
-
- if (ARM_AM::getAM6WBFlag(MO3.getImm())) {
- if (MO2.getReg() == 0)
- O << '!';
- else
- O << ", " << getRegisterName(MO2.getReg());
+ O << "[" << getRegisterName(MO1.getReg());
+ if (MO2.getImm()) {
+ // FIXME: Both darwin as and GNU as violate ARM docs here.
+ O << ", :" << MO2.getImm();
}
+ O << "]";
+}
+
+void ARMInstPrinter::printAddrMode6OffsetOperand(const MCInst *MI,
+ unsigned OpNum) {
+ const MCOperand &MO = MI->getOperand(OpNum);
+ if (MO.getReg() == 0)
+ O << "!";
+ else
+ O << ", " << getRegisterName(MO.getReg());
}
void ARMInstPrinter::printAddrModePCOperand(const MCInst *MI, unsigned OpNum,