> 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... Honza
