This patch (r252896) breaks bootstrap on x86_64-apple-darwin10 configured with
../work/configure --prefix=/opt/gcc/gcc8w --enable-languages=c,c++,fortran,objc,obj-c++,ada,lto --with-gmp=/opt/mp-new --with-system-zlib --with-isl=/opt/mp-new --enable-lto --enable-plugin /opt/gcc/build_w/./gcc/xgcc -B/opt/gcc/build_w/./gcc/ -B/opt/gcc/gcc8w/x86_64-apple-darwin10.8.0/bin/ -B/opt/gcc/gcc8w/x86_64-apple-darwin10.8.0/lib/ -isystem /opt/gcc/gcc8w/x86_64-apple-darwin10.8.0/include -isystem /opt/gcc/gcc8w/x86_64-apple-darwin10.8.0/sys-include -g -O2 -O2 -g -O2 -DIN_GCC -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -isystem ./include -mmacosx-version-min=10.5 -pipe -fno-common -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector -mmacosx-version-min=10.5 -pipe -fno-common -I. -I. -I../.././gcc -I../../../work/libgcc -I../../../work/libgcc/. -I../../../work/libgcc/../gcc -I../../../work/libgcc/../include -DHAVE_CC_TLS -DUSE_EMUTLS -o avx_savms64_s.o -MT avx_savms64_s.o -MD -MP -MF avx_savms64_s.dep -DSHARED -c -xassembler-with-cpp ../../../work/libgcc/config/i386/avx_savms64.S ../../../work/libgcc/config/i386/savms64.h:47:no such instruction: `vmovaps %xmm15,-0x30(%rax)' ../../../work/libgcc/config/i386/savms64.h:47:no such instruction: `vmovaps %xmm14,-0x20(%rax)' ../../../work/libgcc/config/i386/savms64.h:47:no such instruction: `vmovaps %xmm13,-0x10(%rax)' ../../../work/libgcc/config/i386/savms64.h:47:no such instruction: `vmovaps %xmm12, (%rax)' ../../../work/libgcc/config/i386/savms64.h:47:no such instruction: `vmovaps %xmm11, 0x10(%rax)' ../../../work/libgcc/config/i386/savms64.h:47:no such instruction: `vmovaps %xmm10, 0x20(%rax)' ../../../work/libgcc/config/i386/savms64.h:47:no such instruction: `vmovaps %xmm9, 0x30(%rax)' ../../../work/libgcc/config/i386/savms64.h:47:no such instruction: `vmovaps %xmm8, 0x40(%rax)' ../../../work/libgcc/config/i386/savms64.h:47:no such instruction: `vmovaps %xmm7, 0x50(%rax)' ../../../work/libgcc/config/i386/savms64.h:47:no such instruction: `vmovaps %xmm6, 0x60(%rax)' make[3]: *** [avx_savms64_s.o] Error 1 Dominique
