On Tue, Nov 18, 2014 at 9:27 AM, Jan Hubicka <hubi...@ucw.cz> wrote: >> https://gcc.gnu.org/ml/gcc-regression/2014-11/msg00473.html >> >> /export/gnu/import/git/gcc-test-profiled/bld/./prev-gcc/xg++ >> -B/export/gnu/import/git/gcc-test-profiled/bld/./prev-gcc/ >> -B/usr/5.0.0/x86_64-unknown-linux-gnu/bin/ -nostdinc++ >> -B/export/gnu/import/git/gcc-test-profiled/bld/prev-x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs >> -B/export/gnu/import/git/gcc-test-profiled/bld/prev-x86_64-unknown-linux-gnu/libstdc++-v3/libsupc++/.libs >> >> -I/export/gnu/import/git/gcc-test-profiled/bld/prev-x86_64-unknown-linux-gnu/libstdc++-v3/include/x86_64-unknown-linux-gnu >> >> -I/export/gnu/import/git/gcc-test-profiled/bld/prev-x86_64-unknown-linux-gnu/libstdc++-v3/include >> -I/export/gnu/import/git/gcc-test-profiled/src-trunk/libstdc++-v3/libsupc++ >> -L/export/gnu/import/git/gcc-test-profiled/bld/prev-x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs >> -L/export/gnu/import/git/gcc-test-profiled/bld/prev-x86_64-unknown-linux-gnu/libstdc++-v3/libsupc++/.libs >> -g -O2 -flto=jobserver -frandom-seed=1 -fprofile-use -DIN_GCC >> -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall >> -Wno-narrowing -Wwrite-strings -Wcast-qual -Wmissing-format-attribute >> -Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros >> -Wno-overlength-strings -fno-common -DHAVE_CONFIG_H -DGENERATOR_FILE >> -static-libstdc++ -static-libgcc -o build/genmatch \ >> build/genmatch.o ../libcpp/libcpp.a ../libiberty/libiberty.a >> build/errors.o build/vec.o build/hash-table.o >> .././libiberty/libiberty.a >> ../../src-trunk/libcpp/lex.c: In function âend_directiveâ: >> ../../src-trunk/libcpp/lex.c:442:43: error: >> â__builtin_ia32_pcmpestri128â needs isa option -m32 -msse4.2 >> index = __builtin_ia32_pcmpestri128 (search, 4, sv, 16, 0); >> ^ >> make[7]: *** [/tmp/ccTC6Hk9.ltrans9.ltrans.o] Error 1 > > Indeed, it looks like the bug is that search_line_sse42 gets inlined int > end_directive that is compiled w/o SSE support. Probably something that > happened previously, too, just led to compiling the function with > SSE4.2 > > I will need to setup -m32 LTO bootstrap enviornment... >
This is -m64 LTO, not -m32. -- H.J.
