With GMP 6.3.0: krakatoa:~/software/gmp-6.3.0> ./config.guess westmere-pc-linux-gnu krakatoa:~/software/gmp-6.3.0> ./configure checking build system type... westmere-pc-linux-gnu checking host system type... westmere-pc-linux-gnu checking for a BSD-compatible install... /bin/install -c checking whether build environment is sane... yes checking for a thread-safe mkdir -p... /bin/mkdir -p checking for gawk... gawk checking whether make sets $(MAKE)... yes checking whether make supports nested variables... yes checking whether to enable maintainer-specific portions of Makefiles... no checking ABI=64 checking compiler gcc -O2 -pedantic -fomit-frame-pointer -m64 ... yes checking compiler gcc -O2 -pedantic -fomit-frame-pointer -m64 -mtune=nehalem... yes checking compiler gcc -O2 -pedantic -fomit-frame-pointer -m64 -mtune=nehalem -march=nehalem... yes [...]
It uses -mtune=nehalem instead of -mtune=westmere. According to configure.ac, the choice is apparently based on what gcc 3.4 knows. But gcc 3.4 is very old... -- Vincent Lefèvre <vinc...@vinc17.net> - Web: <https://www.vinc17.net/> 100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/> Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon) _______________________________________________ gmp-bugs mailing list gmp-bugs@gmplib.org https://gmplib.org/mailman/listinfo/gmp-bugs
