https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113876
Bug ID: 113876
Summary: ICE: in ix86_expand_epilogue, at
config/i386/i386.cc:10101 with -O
-mpreferred-stack-boundary=3 -finstrument-functions
-mapxf -mcmodel=large and _BitInt()
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 57386
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57386&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -O -mpreferred-stack-boundary=3
-finstrument-functions -mapxf -mcmodel=large testcase.c
during RTL pass: pro_and_epilogue
testcase.c: In function 'bar':
testcase.c:1:21: internal compiler error: in ix86_expand_epilogue, at
config/i386/i386.cc:10101
1 | _BitInt(129) bar() {}
| ^
0x8b8e63 ix86_expand_epilogue(int)
/repo/gcc-trunk/gcc/config/i386/i386.cc:10101
0x1fca31f gen_epilogue()
/repo/gcc-trunk/gcc/config/i386/i386.md:19238
0x18eb205 target_gen_epilogue
/repo/gcc-trunk/gcc/config/i386/i386.md:18734
0x113ac26 make_epilogue_seq
/repo/gcc-trunk/gcc/function.cc:5970
0x113acfb thread_prologue_and_epilogue_insns()
/repo/gcc-trunk/gcc/function.cc:6052
0x113b6a2 rest_of_handle_thread_prologue_and_epilogue
/repo/gcc-trunk/gcc/function.cc:6565
0x113b6a2 execute
/repo/gcc-trunk/gcc/function.cc:6651
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-r14-8910-20240210112800-g39920447f87-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/14.0.1/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-r14-8910-20240210112800-g39920447f87-checking-yes-rtl-df-extra-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 14.0.1 20240210 (experimental) (GCC)
