http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54661
Bug #: 54661 Summary: mcore_output_movedouble: operation on ‘memexp’ may be undefined Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target AssignedTo: unassig...@gcc.gnu.org ReportedBy: amyl...@gcc.gnu.org CC: ni...@redhat.com Blocks: 44756 Target: mcore-elf g++ -c -g -O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE -fno-exceptions -fno-rtti -W -Wall -Wno-narrowing -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../../../gcc/gcc/../libdecnumber -I../../../gcc/gcc/../libdecnumber/dpd -I../libdecnumber \ ../../../gcc/gcc/config/mcore/mcore.c -o mcore.o In file included from ../../../gcc/gcc/config/mcore/mcore.c:25:0: ../../../gcc/gcc/config/mcore/mcore.c: In function ‘const char* mcore_output_movedouble(rtx_def**, machine_mode)’: ../../../gcc/gcc/rtl.h:767:59: error: operation on ‘memexp’ may be undefined [-Werror=sequence-point] #define XEXP(RTX, N) (RTL_CHECK2 (RTX, N, 'e', 'u').rt_rtx) ^ ../../../gcc/gcc/config/mcore/mcore.c:1345:26: note: in expansion of macro 'XEXP' rtx memexp = memexp = XEXP (src, 0); ^ cc1plus: all warnings being treated as errors make[2]: *** [mcore.o] Error 1 rm gcov.pod gcc.pod cpp.pod fsf-funding.pod gccgo.pod gfortran.pod gfdl.pod make[2]: Leaving directory `/home/amylaar/fsf/multi/mcore-elf/gcc' make[1]: *** [all-gcc] Error 2 make[1]: Leaving directory `/home/amylaar/fsf/multi/mcore-elf'