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/ARMAddressingModes.h b/lib/Target/ARM/ARMAddressingModes.h
index 21b5775..ea62c33 100644
--- a/lib/Target/ARM/ARMAddressingModes.h
+++ b/lib/Target/ARM/ARMAddressingModes.h
@@ -524,23 +524,11 @@
//
// This is used for NEON load / store instructions.
//
- // addrmode6 := reg with optional writeback and alignment
+ // addrmode6 := reg with optional alignment
//
- // This is stored in four operands [regaddr, regupdate, opc, align]. The
- // first is the address register. The second register holds the value of
- // a post-access increment for writeback or reg0 if no writeback or if the
- // writeback increment is the size of the memory access. The third
- // operand encodes whether there is writeback to the address register. The
- // fourth operand is the value of the alignment specifier to use or zero if
- // no explicit alignment.
-
- static inline unsigned getAM6Opc(bool WB = false) {
- return (int)WB;
- }
-
- static inline bool getAM6WBFlag(unsigned Mode) {
- return Mode & 1;
- }
+ // This is stored in two operands [regaddr, align]. The first is the
+ // address register. The second operand is the value of the alignment
+ // specifier to use or zero if no explicit alignment.
} // end namespace ARM_AM
} // end namespace llvm