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2 Commits

Author SHA1 Message Date
Stephen Canon
4007e445c5 Add doc comments for some concrete SIMD overloads. (#81890) 
Also removed concrete SIMDMask(lowHalf:highHalf:) init, as there is no
corresponding generic operation; it was added in error.
 2025-06-01 09:20:25 -04:00
Stephen Canon
592d72bba9 Concrete SIMD.init(repeating:) and SIMD.init(lowHalf:highHalf:) optimizations (#81766) 
WIP to add more overloads to optimize SIMD codegen on concrete types.
Here we do:

- init(repeating:)
- init(lowHalf:highHalf:)

These are always inlined, even in debug, since LLVM knows how to lower
them to one or two instructions on the targets that we care about.
 2025-05-27 15:15:13 -04:00