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v_swap_b16 is not offically supported as VOP3, so it can't be used with v128-255.
Tests show that VOP3 appears to work correctly, but according to AMD that should
not be relied on.
https://github.com/llvm/llvm-project/pull/100442#discussion_r1703929676
Foz-DB Navi31:
Totals from 6 (0.01% of 79395) affected shaders:
Instrs: 64799 -> 65932 (+1.75%)
CodeSize: 360180 -> 368440 (+2.29%)
Latency: 1364648 -> 1365922 (+0.09%)
InvThroughput: 635843 -> 636475 (+0.10%)
Copies: 14766 -> 15698 (+6.31%)
VALU: 38743 -> 39675 (+2.41%)
Fixes:
|
||
|---|---|---|
| .. | ||
| addrlib | ||
| ci | ||
| common | ||
| compiler | ||
| drm-shim | ||
| llvm | ||
| registers | ||
| vpelib | ||
| vulkan | ||
| meson.build | ||