https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84148
--- Comment #12 from igor.v.tsimbalist at intel dot com --- (In reply to H.J. Lu from comment #10) > (In reply to igor.v.tsimbalist from comment #9) > > How can I check the fixes w/o old HW? I tried specifying --target=pentium to > > configure but the build has failed with the message > > > > *** Configuration i586-pc-none not supported > > make[1]: *** [configure-gcc] Error 1 > > make[1]: Leaving directory `/export/users/itsimbal/gcc_ws/build.cet' > > make: *** [all] Error 2 > > To specify the default -march= for 32-bit target libraries, for 32-bit > GCC, use --with-arch=cpu, for 64-bit GCC, use --with-arch_32=cpu to > configure GCC. Thanks! This works as expected. New patch is attached.