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Diffstat (limited to 'llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.cpp')
-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 e08c1a6e194..7badda457f4 100644
--- a/llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.cpp
+++ b/llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.cpp
@@ -1773,7 +1773,7 @@ static int readOperands(struct InternalInstruction* insn) {
// If sibIndex was set to SIB_INDEX_NONE, index offset is 4.
if (insn->sibIndex == SIB_INDEX_NONE)
- insn->sibIndex = (SIBIndex)4;
+ insn->sibIndex = (SIBIndex)(insn->sibIndexBase + 4);
// If EVEX.v2 is set this is one of the 16-31 registers.
if (insn->vectorExtensionType == TYPE_EVEX && insn->mode == MODE_64BIT &&
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