https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110733
Bug ID: 110733
Summary: [14 Regression] ICE: in curr_insn_transform, at
lra-constraints.cc:4259 (unable to generate reloads
for: {*one_cmplv16qi2}) with -O
-fno-omit-frame-pointer -mavx512f
Product: gcc
Version: 14.0
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 55577
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55577&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc testcase.c -O -fno-omit-frame-pointer -mavx512f
testcase.c: In function 'foo':
testcase.c:15:1: error: unable to generate reloads for:
15 | }
| ^
(insn 15 14 16 2 (set (reg:V16QI 100)
(xor:V16QI (mem/c:V16QI (plus:DI (reg/f:DI 19 frame)
(const_int -16 [0xfffffffffffffff0])) [3 %sfp+-16 S16
A128])
(const_vector:V16QI [
(const_int -1 [0xffffffffffffffff]) repeated x16
]))) "testcase.c":14:9 6853 {*one_cmplv16qi2}
(expr_list:REG_DEAD (reg/v:V16QI 94 [ a ])
(nil)))
during RTL pass: reload
testcase.c:15:1: internal compiler error: in curr_insn_transform, at
lra-constraints.cc:4259
0x7e1d10 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
/repo/gcc-trunk/gcc/rtl-error.cc:108
0x79bc62 curr_insn_transform
/repo/gcc-trunk/gcc/lra-constraints.cc:4259
0x128ac86 lra_constraints(bool)
/repo/gcc-trunk/gcc/lra-constraints.cc:5434
0x1273f84 lra(_IO_FILE*)
/repo/gcc-trunk/gcc/lra.cc:2419
0x1223a19 do_reload
/repo/gcc-trunk/gcc/ira.cc:5970
0x1223a19 execute
/repo/gcc-trunk/gcc/ira.cc:6156
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-r14-2629-20230718223755-g1d3e4f4e2d1-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/14.0.0/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 --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r14-2629-20230718223755-g1d3e4f4e2d1-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 14.0.0 20230719 (experimental) (GCC)
