https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117304
Bug ID: 117304
Summary: ICE: in emit_move_insn, at expr.cc:4633 with
-mno-evex512 -mavx512f
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 59441
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59441&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -mno-evex512 -mavx512f testcase.c
testcase.c: In function 'foo':
testcase.c:7:1: warning: AVX512F vector return without AVX512F enabled changes
the ABI [-Wpsabi]
7 | {
| ^
during RTL pass: expand
testcase.c:8:10: internal compiler error: in emit_move_insn, at expr.cc:4633
8 | return __builtin_ia32_cvttps2udq512_mask(v, (W){}, 0, 4);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0x2c9995e internal_error(char const*, ...)
/repo/gcc-trunk/gcc/diagnostic-global-context.cc:518
0xe848e5 fancy_abort(char const*, int, char const*)
/repo/gcc-trunk/gcc/diagnostic.cc:1580
0x794095 emit_move_insn(rtx_def*, rtx_def*)
/repo/gcc-trunk/gcc/expr.cc:4633
0x114e331 copy_to_reg(rtx_def*)
/repo/gcc-trunk/gcc/explow.cc:630
0x1ad5cd7 ix86_expand_round_builtin
/repo/gcc-trunk/gcc/config/i386/i386-expand.cc:12944
0x1176829 expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
/repo/gcc-trunk/gcc/expr.cc:12402
0x1183475 store_expr(tree_node*, rtx_def*, int, bool, bool)
/repo/gcc-trunk/gcc/expr.cc:6767
0x1185773 expand_assignment(tree_node*, tree_node*, bool)
/repo/gcc-trunk/gcc/expr.cc:6488
0x1034e49 expand_call_stmt
/repo/gcc-trunk/gcc/cfgexpand.cc:2895
0x1034e49 expand_gimple_stmt_1
/repo/gcc-trunk/gcc/cfgexpand.cc:3964
0x1034e49 expand_gimple_stmt
/repo/gcc-trunk/gcc/cfgexpand.cc:4106
0x103b99e expand_gimple_basic_block
/repo/gcc-trunk/gcc/cfgexpand.cc:6162
0x103d687 execute
/repo/gcc-trunk/gcc/cfgexpand.cc:6901
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-r15-4679-20241025103606-gc8138acb990-checking-yes-rtl-df-extra-nobootstrap-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
--disable-bootstrap --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-r15-4679-20241025103606-gc8138acb990-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 15.0.0 20241024 (experimental) (GCC)
