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LoongArch64 Subjective Higlights
I get back to work on simdutf recently, and noticed that the library gained support for LoongArch64. This is a custom design and custom ISA by Loongson from China.
Broadcast selected element; in this case index is read from generic purpose register. The instruction finds the first negative number and stores its index to the selected lane of destination. To our luck, Jiajie Chen did an impressive work of reverse engineering the vector stuff and published results online as The Unofficial LoongArch Intrinsics Guide.
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