https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103463
Bug ID: 103463
Summary: [12 Regression] ICE: in
ix86_attr_length_immediate_default, at
config/i386/i386.c:16686 with -Os
-fno-tree-dominator-opts -fno-tree-vrp
Product: gcc
Version: 12.0
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 51892
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51892&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -Os -fno-tree-dominator-opts -fno-tree-vrp testcase.c
during RTL pass: sched2
testcase.c: In function 'bar0':
testcase.c:10:1: internal compiler error: in
ix86_attr_length_immediate_default, at config/i386/i386.c:16686
10 | }
| ^
0x814081 ix86_attr_length_immediate_default(rtx_insn*, bool)
/repo/gcc-trunk/gcc/config/i386/i386.c:16686
0x1aeb948 insn_default_length(rtx_insn*)
/repo/gcc-trunk/gcc/config/i386/i386.md:720
0x16dcd92 ix86_min_insn_size(rtx_insn*)
/repo/gcc-trunk/gcc/config/i386/i386.c:21516
0x1762631 core2i7_first_cycle_multipass_filter_ready_try
/repo/gcc-trunk/gcc/config/i386/x86-tune-sched-core.c:107
0x22e199f max_issue(ready_list*, int, void*, bool, int*)
/repo/gcc-trunk/gcc/haifa-sched.c:5952
0x22e47a7 max_issue(ready_list*, int, void*, bool, int*)
/repo/gcc-trunk/gcc/haifa-sched.c:6189
0x22e47a7 choose_ready
/repo/gcc-trunk/gcc/haifa-sched.c:6189
0x22f2532 schedule_block(basic_block_def**, void*)
/repo/gcc-trunk/gcc/haifa-sched.c:6806
0x12fb8cd schedule_region
/repo/gcc-trunk/gcc/sched-rgn.c:3179
0x12fb8cd schedule_insns()
/repo/gcc-trunk/gcc/sched-rgn.c:3518
0x12fbded schedule_insns()
/repo/gcc-trunk/gcc/sched-rgn.c:3504
0x12fbded rest_of_handle_sched2
/repo/gcc-trunk/gcc/sched-rgn.c:3742
0x12fbded execute
/repo/gcc-trunk/gcc/sched-rgn.c:3878
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/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r12-5569-20211128195959-g300dbea1269-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/12.0.0/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-r12-5569-20211128195959-g300dbea1269-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 12.0.0 20211129 (experimental) (GCC)
