Hi Jeffrey, On Wed, Sep 20, 2017 at 04:49:43AM -0400, Jeffrey Walton wrote: > test.cpp:913:42: warning: vec_lvsl is deprecated for little endian; > use assignment for unaligned loads and stores [-Wdeprecated] > const uint8x16_p8 perm = vec_lvsl(0, src); > > The warning is coming from this type of code, which was taken from the > AltiVec PIM: > > // Loads a byte array, does not perform an endian conversion. > // This function requires the subkey table is correct endianess. > inline VectorType VectorLoadKey(const byte src[16]) > { > const uint8x16_p8 perm = vec_lvsl(0, src); > const uint8x16_p8 low = vec_ld(0, src); > const uint8x16_p8 high = vec_ld(15, src); > return (VectorType)vec_perm(low, high, perm); > } > > Its not clear to me how to use assignment to load a vector or store a > vector. I'm also not sure if it includes the automatic endian > conversion, which is something we don't want because the byte arrays > are big endian. (Otherwise we would use a newer function like > vec_vsx_ld). > > How do does one load a vector with assignment and not invoke the > automatic endian conversions? Maybe you want vec_xl_be? Segher