http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58489
Bug ID: 58489 Summary: ICE: in reload_cse_simplify_operands, at postreload.c:411 Product: gcc Version: 4.8.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: timo.teras at iki dot fi Created attachment 30876 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30876&action=edit preprocessed source triggering the issue $ armv6-alpine-linux-muslgnueabihf-gcc -v Using built-in specs. COLLECT_GCC=armv6-alpine-linux-muslgnueabihf-gcc COLLECT_LTO_WRAPPER=/usr/libexec/gcc/armv6-alpine-linux-muslgnueabihf/4.8.1/lto-wrapper Target: armv6-alpine-linux-muslgnueabihf Configured with: /home/tteras/aports/main/gcc/src/gcc-4.8.1/configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --build=i486-alpine-linux-uclibc --host=i486-alpine-linux-uclibc --target=armv6-alpine-linux-muslgnueabihf --with-pkgversion='Alpine 4.8.1' --enable-checking=release --disable-fixed-point --disable-libstdcxx-pch --disable-multilib --disable-nls --disable-werror --disable-symvers --enable-__cxa_atexit --enable-esp --enable-cloog-backend --enable-languages=c,c++,ada --with-arch=armv6 --with-fpu=vfp --with-float=hard --disable-libquadmath --disable-libssp --disable-libmudflap --disable-libsanitizer --disable-bootstrap --enable-clocale=gnu --with-sysroot=/home/tteras/alpine-sysroot/armv6-alpine-linux-muslgnueabihf/ --enable-shared --enable-threads --enable-tls --disable-libgomp --disable-libatomic --disable-libitm --with-system-zlib Thread model: posix gcc version 4.8.1 (Alpine 4.8.1) armv6-alpine-linux-muslgnueabihf-gcc -Wp,-MD,networking/libiproute/.ipaddress.o.d --sysroot=/home/tteras/alpine-sysroot/armv6-alpine-linux-muslgnueabihf/ -march=armv6 -mfpu=vfp -mhard-float -Os -fomit-frame-pointer -pipe -fPIC -std=gnu99 -Iinclude -Ilibbb -Iinclude2 -I/home/tteras/aports/main/busybox/src/busybox-1.21.1/include -I/home/tteras/aports/main/busybox/src/busybox-1.21.1/libbb -include include/autoconf.h -D_GNU_SOURCE -DNDEBUG -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D"BB_VER=KBUILD_STR(1.21.1)" -DBB_BT=AUTOCONF_TIMESTAMP -I/home/tteras/aports/main/busybox/src/busybox-1.21.1/networking/libiproute -Inetworking/libiproute -Wall -Wshadow -Wwrite-strings -Wundef -Wstrict-prototypes -Wunused -Wunused-parameter -Wunused-function -Wunused-value -Wmissing-prototypes -Wmissing-declarations -Wno-format-security -Wdeclaration-after-statement -Wold-style-definition -fno-builtin-strlen -finline-limit=0 -fomit-frame-pointer -ffunction-sections -fdata-sections -fno-guess-branch-probability -funsigned-char -static-libgcc -falign-functions=1 -falign-jumps=1 -falign-labels=1 -falign-loops=1 -fno-unwind-tables -fno-asynchronous-unwind-tables -Os -D"KBUILD_STR(s)=#s" -D"KBUILD_BASENAME=KBUILD_STR(ipaddress)" -D"KBUILD_MODNAME=KBUILD_STR(ipaddress)" -c -o networking/libiproute/ipaddress.o /home/tteras/aports/main/busybox/src/busybox-1.21.1/ networking/libiproute/ipaddress.c In file included from /home/tteras/aports/main/busybox/src/busybox-1.21.1/include/libbb.h:40:0, from /home/tteras/aports/main/busybox/src/busybox-1.21.1/networking/libiproute/ip_common.h:5, from /home/tteras/aports/main/busybox/src/busybox-1.21.1/networking/libiproute/ipaddress.c:15: /home/tteras/alpine-sysroot/armv6-alpine-linux-muslgnueabihf/usr/include/sys/poll.h:1:2: warning: #warning redirect ing incorrect #include <sys/poll.h> to <poll.h> [-Wcpp] #warning redirecting incorrect #include <sys/poll.h> to <poll.h> ^ /home/tteras/aports/main/busybox/src/busybox-1.21.1/networking/libiproute/ipaddress.c: In function 'ipaddr_list_or_flush': /home/tteras/aports/main/busybox/src/busybox-1.21.1/networking/libiproute/ipaddress.c:589:1: error: insn does not satisfy its constraints: } ^ (insn 1333 491 499 36 (set (reg:QI 0 r0) (reg:QI 13 sp)) /home/tteras/aports/main/busybox/src/busybox-1.21.1/networking/libiproute/ipaddress.c:494 198 {*arm_movqi_insn} (nil)) /home/tteras/aports/main/busybox/src/busybox-1.21.1/networking/libiproute/ipaddress.c:589:1: internal compiler error: in reload_cse_simplify_operands, at postreload.c:411 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. The same code compiles with same gcc if targetting -march=armv7-a -mfpu=vfpv3. Bug is reproduced with gcc-4.8.1 and gcc-linaro-4.8-2013.09.