https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117452
Bug ID: 117452
Summary: ICE: in patch_jump_insn, at cfgrtl.cc:1303 with -Ofast
-mavx10.2 and __bf16
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 59541
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59541&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -Ofast -mavx10.2 testcase.c
during RTL pass: expand
testcase.c: In function 'foo':
testcase.c:9:1: internal compiler error: in patch_jump_insn, at cfgrtl.cc:1303
9 | }
| ^
0x2c9f89e internal_error(char const*, ...)
/repo/gcc-trunk/gcc/diagnostic-global-context.cc:518
0xe85439 fancy_abort(char const*, int, char const*)
/repo/gcc-trunk/gcc/diagnostic.cc:1696
0x766002 patch_jump_insn
/repo/gcc-trunk/gcc/cfgrtl.cc:1303
0x1058b22 redirect_branch_edge
/repo/gcc-trunk/gcc/cfgrtl.cc:1330
0x1059112 rtl_redirect_edge_and_branch
/repo/gcc-trunk/gcc/cfgrtl.cc:1463
0x1042559 redirect_edge_and_branch(edge_def*, basic_block_def*)
/repo/gcc-trunk/gcc/cfghooks.cc:392
0x29a5734 try_forward_edges
/repo/gcc-trunk/gcc/cfgcleanup.cc:561
0x29a8ab3 try_optimize_cfg
/repo/gcc-trunk/gcc/cfgcleanup.cc:2931
0x29a8ab3 cleanup_cfg(int)
/repo/gcc-trunk/gcc/cfgcleanup.cc:3143
0x103f400 execute
/repo/gcc-trunk/gcc/cfgexpand.cc:7071
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-r15-4963-20241105175800-g161e246cf32-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-r15-4963-20241105175800-g161e246cf32-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 15.0.0 20241105 (experimental) (GCC)
