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-rw-r--r--llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.cpp b/llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.cpp
index 6140c5ac1e7..040143b1558 100644
--- a/llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.cpp
+++ b/llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.cpp
@@ -361,7 +361,7 @@ static int readPrefixes(struct InternalInstruction* insn) {
* then it should be disassembled as a xacquire/xrelease not repne/rep.
*/
if ((byte == 0xf2 || byte == 0xf3) &&
- ((nextByte == 0xf0) |
+ ((nextByte == 0xf0) ||
((nextByte & 0xfe) == 0x86 || (nextByte & 0xf8) == 0x90)))
insn->xAcquireRelease = true;
/*
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