https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97192
Bug ID: 97192
Summary: [11 Regression] ICE: in gimple_expand_vec_cond_expr,
at gimple-isel.cc:133 with -O -ftracer -mavx512vl
Product: gcc
Version: 11.0
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 49265
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49265&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -O -ftracer -mavx512vl testcase.c
during GIMPLE pass: isel
testcase.c: In function 'foo':
testcase.c:7:1: internal compiler error: in gimple_expand_vec_cond_expr, at
gimple-isel.cc:133
7 | foo (void)
| ^~~
0x7679cf gimple_expand_vec_cond_expr
/repo/gcc-trunk/gcc/gimple-isel.cc:133
0x122787c gimple_expand_vec_cond_exprs
/repo/gcc-trunk/gcc/gimple-isel.cc:179
0x122787c execute
/repo/gcc-trunk/gcc/gimple-isel.cc:229
Please submit a full bug report,
with preprocessed source if appropriate.
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-r11-3421-20200924150219-gfff56af6421-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/11.0.0/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 --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r11-3421-20200924150219-gfff56af6421-checking-yes-rtl-df-extra-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 11.0.0 20200924 (experimental) (GCC)
