https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116354
Bug ID: 116354
Summary: [15 regression] ICE during bootstrap stage 2 after
r15-2891-gb219cbeda72d23
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
Assignee: unassigned at gcc dot gnu.org
Reporter: seurer at gcc dot gnu.org
Target Milestone: ---
g:b219cbeda72d23b7ad6ff12cd159784b7ef00667, r15-2891-gb219cbeda72d23
/home/seurer/gcc/git/build/gcc-trunk-bootstrap/./prev-gcc/xg++
-B/home/seurer/gcc/git/build/gcc-trunk-bootstrap/./prev-gcc/
-B/home/seurer/gcc/git/install/gcc-trunk-bootstrap/powerpc64le-unknown-linux-gnu/bin/
-nostdinc++
-B/home/seurer/gcc/git/build/gcc-trunk-bootstrap/prev-powerpc64le-unknown-linux-gnu/libstdc++-v3/src/.libs
-B/home/seurer/gcc/git/build/gcc-trunk-bootstrap/prev-powerpc64le-unknown-linux-gnu/libstdc++-v3/libsupc++/.libs
-I/home/seurer/gcc/git/build/gcc-trunk-bootstrap/prev-powerpc64le-unknown-linux-gnu/libstdc++-v3/include/powerpc64le-unknown-linux-gnu
-I/home/seurer/gcc/git/build/gcc-trunk-bootstrap/prev-powerpc64le-unknown-linux-gnu/libstdc++-v3/include
-I/home/seurer/gcc/git/gcc-trunk-bootstrap/libstdc++-v3/libsupc++
-L/home/seurer/gcc/git/build/gcc-trunk-bootstrap/prev-powerpc64le-unknown-linux-gnu/libstdc++-v3/src/.libs
-L/home/seurer/gcc/git/build/gcc-trunk-bootstrap/prev-powerpc64le-unknown-linux-gnu/libstdc++-v3/libsupc++/.libs
-I/home/seurer/gcc/git/gcc-trunk-bootstrap/libcpp -I.
-I/home/seurer/gcc/git/gcc-trunk-bootstrap/libcpp/../include
-I/home/seurer/gcc/git/gcc-trunk-bootstrap/libcpp/include -g -O2 -fno-checking
-gtoggle -W -Wall -Wno-narrowing -Wwrite-strings -Wmissing-format-attribute
-pedantic -Wno-long-long -Werror -fno-exceptions -fno-rtti
-I/home/seurer/gcc/git/gcc-trunk-bootstrap/libcpp -I.
-I/home/seurer/gcc/git/gcc-trunk-bootstrap/libcpp/../include
-I/home/seurer/gcc/git/gcc-trunk-bootstrap/libcpp/include -c -o lex.o -MT
lex.o -MMD -MP -MF .deps/lex.Tpo
/home/seurer/gcc/git/gcc-trunk-bootstrap/libcpp/lex.cc
during RTL pass: ce1
/home/seurer/gcc/git/gcc-trunk-bootstrap/libcpp/lex.cc: In function 'void
_cpp_clean_line(cpp_reader*)':
/home/seurer/gcc/git/gcc-trunk-bootstrap/libcpp/lex.cc:1002:1: internal
compiler error: in expand_simple_binop, at optabs.cc:1264
1002 | }
| ^
0x13741ec7 internal_error(char const*, ...)
/home/seurer/gcc/git/gcc-trunk-bootstrap/gcc/diagnostic-global-context.cc:491
0x13703b9b fancy_abort(char const*, int, char const*)
/home/seurer/gcc/git/gcc-trunk-bootstrap/gcc/diagnostic.cc:1772
0x1194926b expand_simple_binop(machine_mode, rtx_code, rtx_def*, rtx_def*,
rtx_def*, int, optab_methods)
/home/seurer/gcc/git/gcc-trunk-bootstrap/gcc/optabs.cc:1264
0x113fec23 force_operand(rtx_def*, rtx_def*)
/home/seurer/gcc/git/gcc-trunk-bootstrap/gcc/expr.cc:8687
0x113aeb2f copy_to_mode_reg(machine_mode, rtx_def*)
/home/seurer/gcc/git/gcc-trunk-bootstrap/gcc/explow.cc:655
0x11963c57 maybe_legitimize_operand
/home/seurer/gcc/git/gcc-trunk-bootstrap/gcc/optabs.cc:8041
0x11964927 maybe_legitimize_operands(insn_code, unsigned int, unsigned int,
expand_operand*)
/home/seurer/gcc/git/gcc-trunk-bootstrap/gcc/optabs.cc:8184
0x11964a57 maybe_gen_insn(insn_code, unsigned int, expand_operand*)
/home/seurer/gcc/git/gcc-trunk-bootstrap/gcc/optabs.cc:8203
0x11965103 maybe_expand_insn(insn_code, unsigned int, expand_operand*)
/home/seurer/gcc/git/gcc-trunk-bootstrap/gcc/optabs.cc:8258
0x1195985b emit_conditional_move_1
/home/seurer/gcc/git/gcc-trunk-bootstrap/gcc/optabs.cc:5229
0x11959483 emit_conditional_move(rtx_def*, rtx_comparison, rtx_def*, rtx_def*,
machine_mode, int)
/home/seurer/gcc/git/gcc-trunk-bootstrap/gcc/optabs.cc:5142
0x133c347f noce_emit_cmove
/home/seurer/gcc/git/gcc-trunk-bootstrap/gcc/ifcvt.cc:1773
0x133c8da7 try_emit_cmove_seq
/home/seurer/gcc/git/gcc-trunk-bootstrap/gcc/ifcvt.cc:3406
0x133c9813 noce_convert_multiple_sets_1
/home/seurer/gcc/git/gcc-trunk-bootstrap/gcc/ifcvt.cc:3687
0x133c8f3b noce_convert_multiple_sets
/home/seurer/gcc/git/gcc-trunk-bootstrap/gcc/ifcvt.cc:3492
0x133ca687 noce_process_if_block
/home/seurer/gcc/git/gcc-trunk-bootstrap/gcc/ifcvt.cc:4025
0x133ccaa3 noce_find_if_block
/home/seurer/gcc/git/gcc-trunk-bootstrap/gcc/ifcvt.cc:4706
0x133cd40b find_if_header
/home/seurer/gcc/git/gcc-trunk-bootstrap/gcc/ifcvt.cc:4911
0x133d0c8f if_convert
/home/seurer/gcc/git/gcc-trunk-bootstrap/gcc/ifcvt.cc:6058
0x133d0feb rest_of_handle_if_conversion
/home/seurer/gcc/git/gcc-trunk-bootstrap/gcc/ifcvt.cc:6123
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
make[3]: *** [Makefile:227: lex.o] Error 1
make[3]: Leaving directory
'/home/seurer/gcc/git/build/gcc-trunk-bootstrap/libcpp'
make[2]: *** [Makefile:12976: all-stage2-libcpp] Error 2
make[2]: Leaving directory '/home/seurer/gcc/git/build/gcc-trunk-bootstrap'
make[1]: *** [Makefile:30236: stage2-bubble] Error 2
make[1]: Leaving directory '/home/seurer/gcc/git/build/gcc-trunk-bootstrap'
make: *** [Makefile:1110: all] Error 2
seurer@ltcden2-lp1:~/gcc/git/build/gcc-trunk-bootstrap$ cat stage_current
stage2
commit b219cbeda72d23b7ad6ff12cd159784b7ef00667 (HEAD)
Author: Manolis Tsamis <manolis.tsa...@vrull.eu>
Date: Tue Aug 29 11:47:39 2023 +0200
ifcvt: Handle multiple rewired regs and refactor noce_convert_multiple_sets
