https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78105
Bug ID: 78105
Summary: ICE during LTO bootstrap on AARCH64
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: tulipawn at gmail dot com
Target Milestone: ---
Using a recent gcc7 to bootstrap gcc configured with
--with-build-config=bootstrap-lto leads to an ICE:
make[4]: Leaving directory 'build-lto/aarch64-linux-gnu/libgcc'
build-lto/./gcc/xgcc -B/../build-lto/./gcc/ -B/usr/gcc7/aarch64-linux-gnu/bin/
-B/usr/gcc7/aarch64-linux-gnu/lib/ -isystem /usr/gcc7/aarch64-linux-gnu/include
-isystem /usr/gcc7/aarch64-linux-gnu/sys-include -g -O2 -O3
-mtune=cortex-a53 -fomit-frame-pointer -fipa-pta -march=armv8-a+crc
-ftree-vectorize -O2 -g -O2 -O3 -mtune=cortex-a53 -fomit-frame-pointer
-fipa-pta -march=armv8-a+crc -ftree-vectorize -DIN_GCC -W -Wall
-Wno-narrowing -Wwrite-strings -Wcast-qual -Wstrict-prototypes
-Wmissing-prototypes -Wold-style-definition -isystem ./include -fPIC -g
-DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector -fPIC -I. -I.
-I../.././gcc -I../../../libgcc -I../../../libgcc/. -I../../../libgcc/../gcc
-I../../../libgcc/../include -DHAVE_CC_TLS -o _muldi3.o -MT _muldi3.o -MD -MP
-MF _muldi3.dep -DL_muldi3 -c ../../../libgcc/libgcc2.c -fvisibility=hidden
-DHIDE_EXPORTS
In file included from ../../../libgcc/libgcc2.h:513:0,
from ../../../libgcc/libgcc2.c:56:
../../../libgcc/libgcc2.c: In function ‘__multi3’:
../../../libgcc/../include/longlong.h:1637:10: internal compiler error: tree
check: expected class ‘expression’, have ‘binary’ (bit_and_expr) in
tree_operand_check, at tree.h:3539
__ul = __ll_lowpart (u); \
^
../../../libgcc/../include/longlong.h:1660:5: note: in expansion of macro
‘umul_ppmm’
umul_ppmm (__w.s.high, __w.s.low, u, v); \
^~~~~~~~~
../../../libgcc/libgcc2.c:551:22: note: in expansion of macro ‘__umulsidi3’
DWunion w = {.ll = __umulsidi3 (uu.s.low, vv.s.low)};
^~~~~~~~~~~
../../../libgcc/../include/longlong.h:1637:10: internal compiler error:
Segmentation fault
__ul = __ll_lowpart (u); \
^
../../../libgcc/../include/longlong.h:1660:5: note: in expansion of macro
‘umul_ppmm’
umul_ppmm (__w.s.high, __w.s.low, u, v); \
^~~~~~~~~
../../../libgcc/libgcc2.c:551:22: note: in expansion of macro ‘__umulsidi3’
DWunion w = {.ll = __umulsidi3 (uu.s.low, vv.s.low)};
^~~~~~~~~~~
xgcc: internal compiler error: Segmentation fault (program cc1)
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
Makefile:488: recipe for target '_muldi3.o' failed
make[3]: *** [_muldi3.o] Error 4
make[3]: Leaving directory
'/home/odroid/gcc-svn-master/build-lto/aarch64-linux-gnu/libgcc'
Makefile:17246: recipe for target 'all-stage2-target-libgcc' failed
