Remove the writeback flag from ARM's address mode 4. Now that we have separate
instructions for ld/st with writeback, the flag is completely redundant.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98643 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMAddressingModes.h b/lib/Target/ARM/ARMAddressingModes.h
index 9e086ca..5be2fb2 100644
--- a/lib/Target/ARM/ARMAddressingModes.h
+++ b/lib/Target/ARM/ARMAddressingModes.h
@@ -463,20 +463,13 @@
// IB - Increment before
// DA - Decrement after
// DB - Decrement before
- //
- // If the 4th bit (writeback)is set, then the base register is updated after
- // the memory transfer.
static inline AMSubMode getAM4SubMode(unsigned Mode) {
return (AMSubMode)(Mode & 0x7);
}
- static inline unsigned getAM4ModeImm(AMSubMode SubMode, bool WB = false) {
- return (int)SubMode | ((int)WB << 3);
- }
-
- static inline bool getAM4WBFlag(unsigned Mode) {
- return (Mode >> 3) & 1;
+ static inline unsigned getAM4ModeImm(AMSubMode SubMode) {
+ return (int)SubMode;
}
//===--------------------------------------------------------------------===//