https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117318
Bug ID: 117318
Summary: ICE: in expand_simple_unop, at optabs.cc:2585 with
__builtin_ia32_pmovusqb512mem_mask()
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 59460
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59460&action=edit
auto-reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -O -mavx512f testcase.c
during RTL pass: dse1
testcase.c: In function 'foo':
testcase.c:10:1: internal compiler error: in expand_simple_unop, at
optabs.cc:2585
10 | }
| ^
0x2da44be internal_error(char const*, ...)
/repo/gcc-trunk/gcc/diagnostic-global-context.cc:518
0xe81f93 fancy_abort(char const*, int, char const*)
/repo/gcc-trunk/gcc/diagnostic.cc:1580
0x80d02f expand_simple_unop(machine_mode, rtx_code, rtx_def*, rtx_def*, int)
/repo/gcc-trunk/gcc/optabs.cc:2585
0x80d02f expand_simple_unop(machine_mode, rtx_code, rtx_def*, rtx_def*, int)
/repo/gcc-trunk/gcc/optabs.cc:2581
0x11946a5 force_operand(rtx_def*, rtx_def*)
/repo/gcc-trunk/gcc/expr.cc:8621
0x1163d0a copy_to_mode_reg(machine_mode, rtx_def*)
/repo/gcc-trunk/gcc/explow.cc:655
0x2ae5154 replace_read
/repo/gcc-trunk/gcc/dse.cc:2046
0x2ae7619 check_mem_read_rtx
/repo/gcc-trunk/gcc/dse.cc:2323
0x2ae7a8c check_mem_read_use
/repo/gcc-trunk/gcc/dse.cc:2429
0x1590262 note_uses(rtx_def**, void (*)(rtx_def**, void*), void*)
/repo/gcc-trunk/gcc/rtlanal.cc:2066
0x2ae7bf8 scan_insn
/repo/gcc-trunk/gcc/dse.cc:2538
0x2ae8bfd dse_step1
/repo/gcc-trunk/gcc/dse.cc:2809
0x2ae8bfd rest_of_handle_dse
/repo/gcc-trunk/gcc/dse.cc:3726
0x2ae8bfd execute
/repo/gcc-trunk/gcc/dse.cc:3799
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.
$ x86_64-pc-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r15-4700-202410270017288ee29886-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/15.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra
--with-cloog --with-ppl --with-isl --build=x86_64-pc-linux-gnu
--host=x86_64-pc-linux-gnu --target=x86_64-pc-linux-gnu
--with-ld=/usr/bin/x86_64-pc-linux-gnu-ld
--with-as=/usr/bin/x86_64-pc-linux-gnu-as --enable-libsanitizer
--disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r15-4700-202410270017288ee29886-checking-yes-rtl-df-extra-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 15.0.0 20241027 (experimental) (GCC)
