Remove redundant writeback flag from ARM address mode 6. Also remove the

optional register update argument, which is currently unused -- when we add
support for that, it can just be a separate operand.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98683 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 16 deletions

diff --git a/lib/Target/ARM/ARMAddressingModes.h b/lib/Target/ARM/ARMAddressingModes.h
index abdd938cc1..4fe943a7c7 100644
--- a/lib/Target/ARM/ARMAddressingModes.h
+++ b/lib/Target/ARM/ARMAddressingModes.h
@@ -520,23 +520,11 @@ namespace ARM_AM {
   //
   // 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