# gcc -v Using built-in specs. Target: x86_64-pc-linux-gnu Configured with: /var/tmp/portage/gcc-4.1.0_beta20050730/work/gcc-4.1-20050730/configure --enable-version-specific-runtime-libs --prefix=/usr --bindir=/usr/x86_64-pc-linux-gnu/gcc-bin/4.1.0-beta20050730 --includedir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.1.0-beta20050730/include --datadir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.1.0-beta20050730 --mandir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.1.0-beta20050730/man --infodir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.1.0-beta20050730/info --with-gxx-include-dir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.1.0-beta20050730/include/g++-v4 --host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu --disable-altivec --enable-nls --without-included-gettext --with-system-zlib --disable-checking --disable-werror --disable-libunwind-exceptions --enable-multilib --disable-libgcj --enable-languages=c,c++,f95 --enable-shared --enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu Thread model: posix gcc version 4.1.0 20050730 (experimental)
# gcc -march=athlon64 -O1 -fforce-addr -c /tmp/j1.c rlogin.c: In function 'do_rlogin': rlogin.c:181: error: unrecognizable insn: (insn 116 187 118 13 (parallel [ (set (mem/s/j:SI (reg/f:DI 102) [0 termio.c_iflag+0 S4 A64]) (ior:SI (mem/s/j:SI (reg/f:DI 103) [0 termio.c_iflag+0 S4 A64]) (const_int 1280 [0x500]))) (clobber (reg:CC 17 flags)) ]) -1 (nil) (nil)) rlogin.c:181: internal compiler error: in instantiate_virtual_regs_in_insn, at function.c:1539 j1.c will be attached. (It's a preprocessed rlogin.c from the "shadow" package) -- Summary: ICE instantiate_virtual_regs_in_insn when -fforce-addr used Product: gcc Version: 4.1.0 Status: UNCONFIRMED Severity: normal Priority: P2 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: zlynx at acm dot org CC: gcc-bugs at gcc dot gnu dot org GCC host triplet: x86_64-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23196