https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99830
Bug ID: 99830
Summary: [11 Regression] ICE: in lra_eliminate_regs_1, at
lra-eliminations.c:659 with -O2
-fno-expensive-optimizations -fno-split-wide-types -g
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: aarch64-unknown-linux-gnu
Created attachment 50488
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50488&action=edit
reduced testcase
Compiler output:
$ aarch64-unknown-linux-gnu-gcc -O2 -fno-expensive-optimizations
-fno-split-wide-types -g testcase.c
during RTL pass: reload
testcase.c: In function 'foo':
testcase.c:6:1: internal compiler error: in lra_eliminate_regs_1, at
lra-eliminations.c:659
6 | }
| ^
0x73e41c lra_eliminate_regs_1(rtx_insn*, rtx_def*, machine_mode, bool, bool,
poly_int<2u, long>, bool)
/repo/gcc-trunk/gcc/lra-eliminations.c:659
0xf16d42 lra_eliminate_regs_1(rtx_insn*, rtx_def*, machine_mode, bool, bool,
poly_int<2u, long>, bool)
/repo/gcc-trunk/gcc/lra-eliminations.c:602
0xf16b3c lra_eliminate_regs_1(rtx_insn*, rtx_def*, machine_mode, bool, bool,
poly_int<2u, long>, bool)
/repo/gcc-trunk/gcc/lra-eliminations.c:503
0xf16ba9 lra_eliminate_regs_1(rtx_insn*, rtx_def*, machine_mode, bool, bool,
poly_int<2u, long>, bool)
/repo/gcc-trunk/gcc/lra-eliminations.c:507
0xf171ad lra_eliminate_regs_1(rtx_insn*, rtx_def*, machine_mode, bool, bool,
poly_int<2u, long>, bool)
/repo/gcc-trunk/gcc/lra-eliminations.c:610
0xf16d42 lra_eliminate_regs_1(rtx_insn*, rtx_def*, machine_mode, bool, bool,
poly_int<2u, long>, bool)
/repo/gcc-trunk/gcc/lra-eliminations.c:602
0xf16ba9 lra_eliminate_regs_1(rtx_insn*, rtx_def*, machine_mode, bool, bool,
poly_int<2u, long>, bool)
/repo/gcc-trunk/gcc/lra-eliminations.c:507
0xf171ad lra_eliminate_regs_1(rtx_insn*, rtx_def*, machine_mode, bool, bool,
poly_int<2u, long>, bool)
/repo/gcc-trunk/gcc/lra-eliminations.c:610
0xf183ff eliminate_regs_in_insn(rtx_insn*, bool, bool, poly_int<2u, long>)
/repo/gcc-trunk/gcc/lra-eliminations.c:1023
0xf18f9d process_insn_for_elimination
/repo/gcc-trunk/gcc/lra-eliminations.c:1333
0xf18f9d lra_eliminate(bool, bool)
/repo/gcc-trunk/gcc/lra-eliminations.c:1401
0xefa038 lra(_IO_FILE*)
/repo/gcc-trunk/gcc/lra.c:2470
0xeab919 do_reload
/repo/gcc-trunk/gcc/ira.c:5835
0xeab919 execute
/repo/gcc-trunk/gcc/ira.c:6021
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.
$ aarch64-unknown-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest-aarch64/bin/aarch64-unknown-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r11-7911-20210330134321-gf64b91568f3-checking-yes-rtl-df-extra-aarch64/bin/../libexec/gcc/aarch64-unknown-linux-gnu/11.0.1/lto-wrapper
Target: aarch64-unknown-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
--with-sysroot=/usr/aarch64-unknown-linux-gnu --build=x86_64-pc-linux-gnu
--host=x86_64-pc-linux-gnu --target=aarch64-unknown-linux-gnu
--with-ld=/usr/bin/aarch64-unknown-linux-gnu-ld
--with-as=/usr/bin/aarch64-unknown-linux-gnu-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r11-7911-20210330134321-gf64b91568f3-checking-yes-rtl-df-extra-aarch64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 11.0.1 20210330 (experimental) (GCC)
