[llvm-commits] [llvm] r143553 - /llvm/trunk/lib/Target/ARM/Disassembler/ARMDisassembler.cpp

[Owen Anderson]

Author: resistor
Date: Wed Nov  2 12:46:18 2011
New Revision: 143553

URL: http://llvm.org/viewvc/llvm-project?rev=143553&view=rev
Log:
The rules disallowing single-register reglist operands only apply to the POP alias, not to LDM/STM instructions.  Revert r143552.

Modified:
    llvm/trunk/lib/Target/ARM/Disassembler/ARMDisassembler.cpp

Modified: llvm/trunk/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/Disassembler/ARMDisassembler.cpp?rev=143553&r1=143552&r2=143553&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/Disassembler/ARMDisassembler.cpp (original)
+++ llvm/trunk/lib/Target/ARM/Disassembler/ARMDisassembler.cpp Wed Nov  2 12:46:18 2011
@@ -1111,11 +1111,7 @@
   }
 
   // Empty register lists are not allowed.
-  uint32_t popcnt = CountPopulation_32(Val);
-  if (popcnt == 0) return MCDisassembler::Fail;
-  // and one-register lists are unpredictable.
-  else if (popcnt == 1) Check(S, MCDisassembler::SoftFail);
-
+  if (CountPopulation_32(Val) == 0) return MCDisassembler::Fail;
   for (unsigned i = 0; i < 16; ++i) {
     if (Val & (1 << i)) {
       if (!Check(S, DecodeGPRRegisterClass(Inst, i, Address, Decoder)))