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| author | Simon Tatham <simon.tatham@arm.com> | 2019-06-28 09:28:39 +0000 |
|---|---|---|
| committer | Simon Tatham <simon.tatham@arm.com> | 2019-06-28 09:28:39 +0000 |
| commit | 29ff1b4f4653f2c77501ca4e1014c710e602aa08 (patch) | |
| tree | 37ee4ac17ed5e1677c409988f8300009ab41f724 /llvm/lib/Target/ARM/Disassembler/ARMDisassembler.cpp | |
| parent | e662b6985a8af483a4e7c541f8b67628452d147f (diff) | |
| download | llvm-29ff1b4f4653f2c77501ca4e1014c710e602aa08.zip llvm-29ff1b4f4653f2c77501ca4e1014c710e602aa08.tar.gz llvm-29ff1b4f4653f2c77501ca4e1014c710e602aa08.tar.bz2 | |
[ARM] Fix integer UB in MVE load/store immediate handling.
llvm-svn: 364635
Diffstat (limited to 'llvm/lib/Target/ARM/Disassembler/ARMDisassembler.cpp')
| -rw-r--r-- | llvm/lib/Target/ARM/Disassembler/ARMDisassembler.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Target/ARM/Disassembler/ARMDisassembler.cpp b/llvm/lib/Target/ARM/Disassembler/ARMDisassembler.cpp index 9fb2fa6..673691e 100644 --- a/llvm/lib/Target/ARM/Disassembler/ARMDisassembler.cpp +++ b/llvm/lib/Target/ARM/Disassembler/ARMDisassembler.cpp @@ -4182,7 +4182,7 @@ static DecodeStatus DecodeT2Imm7(MCInst &Inst, unsigned Val, else if (!(Val & 0x80)) imm *= -1; if (imm != INT32_MIN) - imm <<= shift; + imm *= (1U << shift); Inst.addOperand(MCOperand::createImm(imm)); return MCDisassembler::Success; @@ -4448,7 +4448,7 @@ static DecodeStatus DecodeMveAddrModeQ(MCInst &Inst, unsigned Insn, imm *= -1; } if (imm != INT32_MIN) - imm <<= shift; + imm *= (1U << shift); Inst.addOperand(MCOperand::createImm(imm)); return S; |