Simon Pilgrim 5ccfc9d6b9
[X86] combineConcatVectorOps - concat(vtruncs(x),vtruncs(y)) -> packss(shuffle(x,y),shuffle(x,y)) (#186678)
Although at worst this isn't a reduction in instruction count, the shuffle/packss sequence is much easier for further folds / shuffle combining
2026-03-15 16:41:49 +00:00
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2026-03-13 17:34:31 +00:00