Please don't target Power7. Please target Power9, or at least Power8. The PPC64LE Linux ABI specifies Power8 as the minimum ISA.
Power ISA 2.07 is Power8. ISA 3.0 is Power9. ISA 3.1 is Power10. Thanks, David On Sat, Nov 21, 2020 at 10:11 AM Niels Möller <[email protected]> wrote: > > Jeffrey Walton <[email protected]> writes: > > > GCC112 is a POWER8 machine. According to the POWER manual, vextractuw > > is a POWER9 instruction. > > > > POWER8 manual: > > https://openpowerfoundation.org/?resource_lib=power8-processor-users-manual > > POWER9 manual: > > https://openpowerfoundation.org/?resource_lib=power9-processor-users-manual > > Ooops. I was reading a document titled "Power ISA(tm) Version 3.1". > There are changebars indicating changes from version 3.0, which I > weren't paying much attention to. Which POWER version does ISA Version > 3.0 correspond to? > > I would like to target Power 7 for the chacha code. > > Maamoun TK <[email protected]> writes: > > > The cheapest replacement I can think of: > > > > vspltisw ZERO,0 C > > 0x00000000000000000000000000000000 > > vspltisw ONE,1 C > > 0x00000001000000010000000100000001 > > vsldoi ONE, ONE, ZERO,12 C 0x00000001000000000000000000000000 > > Thanks, I'll try that. > > Regards, > /Niels > > -- > Niels Möller. PGP-encrypted email is preferred. Keyid 368C6677. > Internet email is subject to wholesale government surveillance. > _______________________________________________ > nettle-bugs mailing list > [email protected] > http://lists.lysator.liu.se/mailman/listinfo/nettle-bugs _______________________________________________ nettle-bugs mailing list [email protected] http://lists.lysator.liu.se/mailman/listinfo/nettle-bugs
