Fix a bug in the ARM disassembler for wide branch conditional instructions
authorKevin Enderby <enderby@apple.com>
Fri, 4 May 2012 22:02:27 +0000 (22:02 +0000)
committerKevin Enderby <enderby@apple.com>
Fri, 4 May 2012 22:02:27 +0000 (22:02 +0000)
where the symbolic operand's displacement was incorrectly shifted left by 1.
rdar://11387046

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156212 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/ARM/Disassembler/ARMDisassembler.cpp

index 80b2b235bed8efbbbcc2524e5ba76d916d82a3fd..1363b85ee5c80f3b5f796a92bcce15c99b5b96dd 100644 (file)
@@ -3016,7 +3016,7 @@ static DecodeStatus DecodeThumbBROperand(MCInst &Inst, unsigned Val,
 
 static DecodeStatus DecodeT2BROperand(MCInst &Inst, unsigned Val,
                                  uint64_t Address, const void *Decoder) {
-  if (!tryAddingSymbolicOperand(Address, Address + SignExtend32<22>(Val<<1) + 4,
+  if (!tryAddingSymbolicOperand(Address, Address + SignExtend32<22>(Val) + 4,
                                 true, 4, Inst, Decoder))
     Inst.addOperand(MCOperand::CreateImm(SignExtend32<21>(Val)));
   return MCDisassembler::Success;