On Sat, Jul 10, 2010 at 03:11:51AM -0400, Joern Rennecke wrote: > Quoting Jack Howarth <howa...@bromo.med.uc.edu>: > >> Also, I don't seem able to suppress this build failure with... > > I think fcode should be assigned some value in the default case instead. > >> Is that expected behavior in current gcc trunk? > > Strange, I just bootstrapped r162030 with a small unrelated change on gcc16 > (x86_64-unknown-linux-gnu), and it didn't complain about this... > > /home/amylaar/pr44874/bldxx/./prev-gcc/g++ > -B/home/amylaar/pr44874/bldxx/./prev-gcc/ > -B/home/amylaar/instxx/x86_64-unknown-linux-gnu/bin/ -nostdinc++ > -I/home/amylaar/pr44874/bldxx/prev-x86_64-unknown-linux-gnu/libstdc++-v3/include/x86_64-unknown-linux-gnu > > -I/home/amylaar/pr44874/bldxx/prev-x86_64-unknown-linux-gnu/libstdc++-v3/include > > -I/home/amylaar/pr44874/gcc/libstdc++-v3/libsupc++ > -L/home/amylaar/pr44874/bldxx/prev-x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs > > -c -g -O2 -gtoggle -DIN_GCC -W -Wall -Wwrite-strings -Wcast-qual > -Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros > -Wno-overlength-strings -Werror -fno-common -DHAVE_CONFIG_H -I. -I. > -I../../gcc/gcc -I../../gcc/gcc/. -I../../gcc/gcc/../include > -I../../gcc/gcc/../libcpp/include -I/opt/cfarm/mpfr-2.4.1/include > -I/opt/cfarm/mpc-0.8/include -I../../gcc/gcc/../libdecnumber > -I../../gcc/gcc/../libdecnumber/bid -I../libdecnumber \ > ../../gcc/gcc/config/i386/i386.c -o i386.o
The change suggested by Iain Sandoe of... Index: gcc/config/i386/i386.c =================================================================== --- gcc/config/i386/i386.c (revision 162037) +++ gcc/config/i386/i386.c (working copy) @@ -30002,7 +30002,7 @@ tree itype = TREE_TYPE (vec_type); bool u = TYPE_UNSIGNED (itype); enum machine_mode vmode = TYPE_MODE (vec_type); - enum ix86_builtins fcode = fcode; /* Silence bogus warning. */ + enum ix86_builtins fcode = IX86_BUILTIN_MAX; bool ok = TARGET_SSE2; switch (vmode) eliminates the bootstrap failure on x86_64-apple-darwin10 when --enable-build-with-cxx is used.. Jack