On Tue, Aug 24, 2021 at 05:11:03PM -0300, matheus.fe...@eldorado.org.br wrote: > From: Matheus Ferst <matheus.fe...@eldorado.org.br> > > The definition of struct Int128 is currently independent of the host > endianness, causing different results when using the member s128 of > union ppc_vsr_t in big-endian builds with CONFIG_INT128 or > !CONFIG_INT128. > > The only PPC instructions that seem to be affected by this issue are the > "Vector Extract Unsigned Byte/Halfword/Word to GPR using GPR-specified > Left/Right-Index." Even on builds with Int128 support, however, their > helpers give the wrong result on big-endian hosts. > > The first patch in this series changes the definition of struct Int128 > to allow its use in the ppc_vsr_t union. The second patch fixes the > helper definition.
CCing Richard Henderson, who's probably the best qualified to review
these.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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