[X86] Centralize the masking of TSFlags with FormMask into a variable earlier so we can stop masking in multiple places. NFC
llvm-svn: 262312
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62969a39fa
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@ -1228,8 +1228,9 @@ encodeInstruction(const MCInst &MI, raw_ostream &OS,
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if (TSFlags & X86II::Has3DNow0F0FOpcode)
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BaseOpcode = 0x0F; // Weird 3DNow! encoding.
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switch (TSFlags & X86II::FormMask) {
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default: errs() << "FORM: " << (TSFlags & X86II::FormMask) << "\n";
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uint64_t Form = TSFlags & X86II::FormMask;
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switch (Form) {
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default: errs() << "FORM: " << Form << "\n";
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llvm_unreachable("Unknown FormMask value in X86MCCodeEmitter!");
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case X86II::Pseudo:
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llvm_unreachable("Pseudo instruction shouldn't be emitted");
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@ -1398,7 +1399,6 @@ encodeInstruction(const MCInst &MI, raw_ostream &OS,
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if (HasEVEX_K) // Skip writemask
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++CurOp;
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EmitByte(BaseOpcode, CurByte, OS);
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uint64_t Form = TSFlags & X86II::FormMask;
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EmitRegModRMByte(MI.getOperand(CurOp++),
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(Form == X86II::MRMXr) ? 0 : Form-X86II::MRM0r,
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CurByte, OS);
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@ -1415,7 +1415,6 @@ encodeInstruction(const MCInst &MI, raw_ostream &OS,
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if (HasEVEX_K) // Skip writemask
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++CurOp;
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EmitByte(BaseOpcode, CurByte, OS);
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uint64_t Form = TSFlags & X86II::FormMask;
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EmitMemModRMByte(MI, CurOp, (Form == X86II::MRMXm) ? 0 : Form-X86II::MRM0m,
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TSFlags, CurByte, OS, Fixups, STI);
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CurOp += X86::AddrNumOperands;
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@ -1444,8 +1443,6 @@ encodeInstruction(const MCInst &MI, raw_ostream &OS,
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case X86II::MRM_FC: case X86II::MRM_FD: case X86II::MRM_FE:
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case X86II::MRM_FF:
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EmitByte(BaseOpcode, CurByte, OS);
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uint64_t Form = TSFlags & X86II::FormMask;
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EmitByte(0xC0 + Form - X86II::MRM_C0, CurByte, OS);
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break;
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}
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