| Issue | 155591 |
|---|---|
| Summary | [X86] Remove X86ISD::VSHLDV/VSHRDV and use ISD::FSHL/FSHR opcodes directly |
| Labels | good first issue, backend:X86 |
| Assignees | |
| Reporter | RKSimon |
The main difficulty is that the VSHRDV instruction requires the LO/HI operands commuting in the isel patterns, so only attempt this if you know your way around tablegen / isel.
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