Hi Guys, Sorry for the late reply, but I've been camping for the last couple days...
I believe that I can rewrite the core2 code to avoid the lahf/sahf instructions without any performance lost. If there is still an interested or need, let me know and I'll have a go at it. --jwm On Sun, Mar 15, 2009 at 10:07 AM, Jason Moxham <ja...@njkfrudils.plus.com> wrote: > > On Sunday 15 March 2009 04:55:39 Gonzalo Tornaria wrote: >> As I mentioned, in current tr...@1739, my nocona is detected as a >> "core2" by config.guess, since it does include lahf. >> >> However, I tried hacking config.guess so that my cpu returns "nocona" >> instead --- just because I wanted to benchmark it that way (and also >> would be a test of what happens when compiling in nocona w/o lahf). >> But now, the configure step fails. > > shouldn't need to hack config.guess ,if everything working as it should :) > then a > ./configure --build=your_guess-unknown-linux-gnu > should do it > where the -unknown-linux-gnu is the last part of what config.guess returns > > >> >> The variables are: >> >> using ABI="64" >> CC="gcc -std=gnu99" >> CFLAGS="-O2 -m64 -march=nocona -mtune=nocona" >> CPPFLAGS="" >> MPN_PATH=" x86_64/core2 x86_64 generic" >> >> (so, it seems to be using core2 code, after all...) >> >> The first errors that show up in configure output are: >> >> checking for struct pst_processor.psp_iticksperclktick... no >> =yes: command not found: HAVE_NATIVE_%3 >> =yes: command not found: HAVE_NATIVE_%2 >> =yes: command not found: HAVE_NATIVE_%3 >> =yes: command not found: HAVE_NATIVE_%2 >> >> And later: >> >> checking size of unsigned short... 0 >> checking size of unsigned... 0 >> checking size of unsigned long... 0 >> checking size of mp_limb_t... 0 >> configure: error: Oops, mp_limb_t doesn't seem to work >> >> Here it stops... >> >> Gonzalo >> >> On Sat, Mar 14, 2009 at 10:49 PM, Gonzalo Tornaria <torna...@gmail.com> > wrote: >> > My nocona with lahf is now a "core2-unknown-linux-gnu". Thanks for >> > upgrading it for me... I hope it still keeps my office warm in winter >> > >> > :-) >> >> > > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "mpir-devel" group. To post to this group, send email to mpir-devel@googlegroups.com To unsubscribe from this group, send email to mpir-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/mpir-devel?hl=en -~----------~----~----~----~------~----~------~--~---
