diff options
Diffstat (limited to 'llvm/lib/Target/X86/Disassembler/X86Disassembler.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/Disassembler/X86Disassembler.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/Disassembler/X86Disassembler.cpp b/llvm/lib/Target/X86/Disassembler/X86Disassembler.cpp index 59e2008f..347dc0d 100644 --- a/llvm/lib/Target/X86/Disassembler/X86Disassembler.cpp +++ b/llvm/lib/Target/X86/Disassembler/X86Disassembler.cpp @@ -1169,7 +1169,11 @@ static int getInstructionID(struct InternalInstruction *insn, attrMask |= ATTR_EVEXKZ; if (bFromEVEX4of4(insn->vectorExtensionPrefix[3])) attrMask |= ATTR_EVEXB; - if (aaaFromEVEX4of4(insn->vectorExtensionPrefix[3])) + // nf bit is the MSB of aaa + if (nfFromEVEX4of4(insn->vectorExtensionPrefix[3]) && + insn->opcodeType == MAP4) + attrMask |= ATTR_EVEXNF; + else if (aaaFromEVEX4of4(insn->vectorExtensionPrefix[3])) attrMask |= ATTR_EVEXK; if (lFromEVEX4of4(insn->vectorExtensionPrefix[3])) attrMask |= ATTR_VEXL; |