Fixed the LLVM ARM v7 assembler and instruction printer for 8-bit immediate offset addressing. The assembler and instruction printer were not properly handeling the #-0 immediate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156608 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp b/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp
index 34a76b2..be7e098 100644
--- a/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp
+++ b/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp
@@ -426,9 +426,13 @@
return;
}
- if (unsigned ImmOffs = ARM_AM::getAM3Offset(MO3.getImm()))
+ //If the op is sub we have to print the immediate even if it is 0
+ unsigned ImmOffs = ARM_AM::getAM3Offset(MO3.getImm());
+ ARM_AM::AddrOpc op = ARM_AM::getAM3Op(MO3.getImm());
+
+ if (ImmOffs || (op == ARM_AM::sub))
O << ", #"
- << ARM_AM::getAddrOpcStr(ARM_AM::getAM3Op(MO3.getImm()))
+ << ARM_AM::getAddrOpcStr(op)
<< ImmOffs;
O << ']';
}