------- Comment #6 from zsojka at seznam dot cz 2009-11-25 10:45 ------- Also it causes bootstrap comparison failures for me at x86_64-pc-linux-gnu, r154643
export CFLAGS="-O2 -fgcse-sm" export CXXFLAGS="-O2 -fgcse-sm" ../configure --enable-languages=c,c++ --prefix=/mnt/svn/gcc-trunk/binary-154643-O2-gcse-sm make ... Comparing stages 2 and 3 warning: gcc/cc1plus-checksum.o differs warning: gcc/cc1-checksum.o differs Bootstrap comparison failure! x86_64-unknown-linux-gnu/32/libgcc/multf3_s.o differs x86_64-unknown-linux-gnu/32/libgcc/bid128_div.o differs x86_64-unknown-linux-gnu/32/libgcc/addtf3_s.o differs x86_64-unknown-linux-gnu/32/libgcc/fixtfsi.o differs make[2]: *** [compare] Error 1 Should this be marked as regression? -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41862