teemperor created this revision.
teemperor added a reviewer: LLDB.
Herald added subscribers: lldb-commits, kristof.beyls, javed.absar.
Herald added a project: LLDB.
As reported in LLVM bug 41487, the check in this function is wrong and should be
the same as the described check in the comment (which is correctly copied from
the
ARM ISA reference).
Repository:
rLLDB LLDB
https://reviews.llvm.org/D60654
Files:
lldb/source/Plugins/Instruction/ARM/EmulateInstructionARM.cpp
Index: lldb/source/Plugins/Instruction/ARM/EmulateInstructionARM.cpp
===================================================================
--- lldb/source/Plugins/Instruction/ARM/EmulateInstructionARM.cpp
+++ lldb/source/Plugins/Instruction/ARM/EmulateInstructionARM.cpp
@@ -10150,7 +10150,7 @@
shift_t = DecodeRegShift(Bits32(opcode, 6, 5));
// if d == 15 || n == 15 || m == 15 || s == 15 then UNPREDICTABLE;
- if ((d == 15) || (m == 15) || (m == 15) || (s == 15))
+ if ((d == 15) || (n == 15) || (m == 15) || (s == 15))
return false;
break;
Index: lldb/source/Plugins/Instruction/ARM/EmulateInstructionARM.cpp
===================================================================
--- lldb/source/Plugins/Instruction/ARM/EmulateInstructionARM.cpp
+++ lldb/source/Plugins/Instruction/ARM/EmulateInstructionARM.cpp
@@ -10150,7 +10150,7 @@
shift_t = DecodeRegShift(Bits32(opcode, 6, 5));
// if d == 15 || n == 15 || m == 15 || s == 15 then UNPREDICTABLE;
- if ((d == 15) || (m == 15) || (m == 15) || (s == 15))
+ if ((d == 15) || (n == 15) || (m == 15) || (s == 15))
return false;
break;
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