Daniel Zabawa c1a3960abe
[X86] Add APX imulzu support. (#116806)
Add patterns to select 16b imulzu with -mapx-feature=zu, including
folding of zero-extends of the result. IsDesirableToPromoteOp is changed
to leave 16b multiplies by constant un-promoted, as imulzu will not
cause partial-write stalls.
2024-11-26 08:26:23 +08:00
..