https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116138
Bug ID: 116138
Summary: [15 regression] profiledbootstrap broken on aarch64
since r15-2196-g88d16194d0c8a6
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Keywords: build, wrong-code
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: sch...@linux-m68k.org
CC: law at gcc dot gnu.org
Target Milestone: ---
Target: aarch64-*-*
https://build.opensuse.org/package/live_build_log/devel:gcc:next/gcc15/openSUSE_Factory_ARM/aarch64
make[3]: Entering directory
'/home/abuild/rpmbuild/BUILD/gcc-15.0.0+git2394/obj-aarch64-suse-linux/aarch64-suse-linux/libgcc'
/home/abuild/rpmbuild/BUILD/gcc-15.0.0+git2394/obj-aarch64-suse-linux/./gcc/xgcc
-B/home/abuild/rpmbuild/BUILD/gcc-15.0.0+git2394/obj-aarch64-suse-linux/./gcc/
-B/usr/aarch64-suse-linux/bin/ -B/usr/aarch64-suse-linux/lib/ -isystem
/usr/aarch64-suse-linux/include -isystem /usr/aarch64-suse-linux/sys-include
-mbranch-protection=standard -O2 -funwind-tables -fasynchronous-unwind-tables
-fstack-clash-protection -Werror=return-type -g -O2
-mbranch-protection=standard -O2 -funwind-tables -fasynchronous-unwind-tables
-fstack-clash-protection -Werror=return-type -g -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 -I../../../libgcc/config/libbid
-DENABLE_DECIMAL_BID_FORMAT -DHAVE_CC_TLS -o bid128_add.o -MT bid128_add.o
-MD -MP -MF bid128_add.dep -c ../../../libgcc/config/libbid/bid128_add.c
during RTL pass: reload
../../../libgcc/config/libbid/bid128_add.c: In function ‘__bid128_add’:
../../../libgcc/config/libbid/bid128_add.c:2894:1: internal compiler error: in
subreg_get_info, at rtlanal.cc:4132
2894 | }
| ^
0xe28b73 internal_error(char const*, ...)
../../gcc/diagnostic-global-context.cc:491
0xe28c77 fancy_abort(char const*, int, char const*)
../../gcc/diagnostic.cc:1755
0x1755cf7 subreg_get_info(unsigned int, machine_mode, poly_int<2u, unsigned
long>, machine_mode, subreg_info*)
../../gcc/rtlanal.cc:4132
0x17550f7 simplify_subreg_regno(unsigned int, machine_mode, poly_int<2u,
unsigned long>, machine_mode)
../../gcc/rtlanal.cc:4284
0x152f003 curr_insn_transform
../../gcc/lra-constraints.cc:4693
0x15250eb lra_constraints(bool)
../../gcc/lra-constraints.cc:5494
0x151b67b lra(_IO_FILE*, int)
../../gcc/lra.cc:2442
0x1a1e097 do_reload
../../gcc/ira.cc:5973
0x1a1e097 execute
../../gcc/ira.cc:6161
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://bugs.opensuse.org/> for instructions.
make[3]: *** [Makefile:653: bid128_add.o] Error 1
make[3]: Leaving directory
'/home/abuild/rpmbuild/BUILD/gcc-15.0.0+git2394/obj-aarch64-suse-linux/aarch64-suse-linux/libgcc'
make[2]: *** [Makefile:20319: all-stagefeedback-target-libgcc] Error 2
make[1]: *** [Makefile:32144: stagefeedback-bubble] Error 2
make: *** [Makefile:32164: profiledbootstrap] Error 2
This does not happen with an ordinary bootstrap.
