https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61442
Bug ID: 61442
Summary: [Aarch64] ICE while bootstraping GCC with
--with-build-config=bootstrap-lto
Product: gcc
Version: 4.9.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
Assignee: unassigned at gcc dot gnu.org
Reporter: venkataramanan.kumar at amd dot com
Machine: Aarch64
Build Config line:
./gcc/configure --prefix=/work/GCC_Team/vekumar/ltoinstall/
--with-gmp=/work/GCC_Team/vekumar/installpre/installdir/
--with-build-config=bootstrap-lto
--with-mpfr=/work/GCC_Team/vekumar/installpre/installdir/
--with-mpc=/work/GCC_Team/vekumar/installpre/installdir/ --disable-werror
--enable-languages=c,c++,fortran
(---Snip---)
/root/work/GCC_Team/vekumar/ltobuild/./gcc/xgcc
-B/root/work/GCC_Team/vekumar/ltobuild/./gcc/
-B/work/GCC_Team/vekumar/ltoinstall/aarch64-unknown-linux-gnu/bin/
-B/work/GCC_Team/vekumar/ltoinstall/aarch64-unknown-linux-gnu/lib/ -isystem
/work/GCC_Team/vekumar/ltoinstall/aarch64-unknown-linux-gnu/include -isystem
/work/GCC_Team/vekumar/ltoinstall/aarch64-unknown-linux-gnu/sys-include -g
-O2 -O2 -g -O2 -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../../../gcc/libgcc -I../../../gcc/libgcc/.
-I../../../gcc/libgcc/../gcc -I../../../gcc/libgcc/../include -o _cmpdi2.o
-MT _cmpdi2.o -MD -MP -MF _cmpdi2.dep -DL_cmpdi2 -c
../../../gcc/libgcc/libgcc2.c -fvisibility=hidden -DHIDE_EXPORTS
../../../gcc/libgcc/libgcc2.c: In function â__ashrti3â:
../../../gcc/libgcc/libgcc2.c: In function â__lshrti3â:
../../../gcc/libgcc/libgcc2.c:415:30: internal compiler error: in
iterative_hash_expr, at tree.c:7475
w.s.low = (UWtype) uu.s.high >> -bm;
^
../../../gcc/libgcc/libgcc2.c:471:22: internal compiler error: in
iterative_hash_expr, at tree.c:7475
w.s.high = uu.s.high >> (W_TYPE_SIZE - 1);
^
../../../gcc/libgcc/libgcc2.c: In function â__negti2â:
In file included from ../../../gcc/libgcc/libgcc2.h:506:0,
from ../../../gcc/libgcc/libgcc2.c:56:
../../../gcc/libgcc/libgcc2.c: In function â__multi3â:
../../../gcc/libgcc/libgcc2.c:67:36: internal compiler error: in
iterative_hash_expr, at tree.c:7475
const DWunion w = { {.low = -uu.s.low,
^
../../../gcc/libgcc/libgcc2.c: In function â__cmpti2â:
../../../gcc/libgcc/libgcc2.c:551:39: internal compiler error: in
iterative_hash_expr, at tree.c:7475
DWunion w = {.ll = __umulsidi3 (uu.s.low, vv.s.low)};
(---Snip---)
With GCC 4.9 release FSF, getting bootstrapping with LTO resulted compare
errors. Finding the revision, which cause ICE is in progress.
