WIP: CmmToAsm/X86: Improve code generation for MO_UF_Conv of literal
Previously we would call hs_word2float which is incredibly expensive compared to just a MOV.
Also document semantics of primops.
Closes #18840 (closed).
Still needs testing.
Previously we would call hs_word2float which is incredibly expensive compared to just a MOV.
Also document semantics of primops.
Closes #18840 (closed).
Still needs testing.