From d6243b49d440cfde81cf9830a71658a65f8f69c0 Mon Sep 17 00:00:00 2001 From: Bob Wilson Date: Tue, 16 Mar 2010 17:46:45 +0000 Subject: 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. llvm-svn: 98643 --- llvm/lib/Target/ARM/ARMAddressingModes.h | 11 ++--------- 1 file changed, 2 insertions(+), 9 deletions(-) (limited to 'llvm/lib/Target/ARM/ARMAddressingModes.h') diff --git a/llvm/lib/Target/ARM/ARMAddressingModes.h b/llvm/lib/Target/ARM/ARMAddressingModes.h index 9e086ca5c54..5be2fb2c246 100644 --- a/llvm/lib/Target/ARM/ARMAddressingModes.h +++ b/llvm/lib/Target/ARM/ARMAddressingModes.h @@ -463,20 +463,13 @@ namespace ARM_AM { // 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; } //===--------------------------------------------------------------------===// -- cgit v1.2.3