summaryrefslogtreecommitdiff
path: root/lib/Target/ARM/Disassembler
diff options
context:
space:
mode:
authorKevin Enderby <enderby@apple.com>2012-04-11 22:40:17 +0000
committerKevin Enderby <enderby@apple.com>2012-04-11 22:40:17 +0000
commitb318cc16c9e959adb96294b3aa4940e74f68dde3 (patch)
tree53d9fab1602828229832382e0dd2b4842837d61c /lib/Target/ARM/Disassembler
parent056c51e59820c4c36d3b9d2f22acb6fd121b798e (diff)
downloadllvm-b318cc16c9e959adb96294b3aa4940e74f68dde3.tar.gz
llvm-b318cc16c9e959adb96294b3aa4940e74f68dde3.tar.bz2
llvm-b318cc16c9e959adb96294b3aa4940e74f68dde3.tar.xz
Fixed a case of ARM disassembly getting an assert on a bad encoding
of a VST instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154544 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/Disassembler')
-rw-r--r--lib/Target/ARM/Disassembler/ARMDisassembler.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Target/ARM/Disassembler/ARMDisassembler.cpp b/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
index e1d63fac90..05e3cedbdf 100644
--- a/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
+++ b/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
@@ -2410,6 +2410,8 @@ static DecodeStatus DecodeVSTInstruction(MCInst &Inst, unsigned Insn,
case ARM::VST2b8wb_register:
case ARM::VST2b16wb_register:
case ARM::VST2b32wb_register:
+ if (Rm == 0xF)
+ return MCDisassembler::Fail;
Inst.addOperand(MCOperand::CreateImm(0));
break;
case ARM::VST3d8_UPD: