https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112411
Bug ID: 112411
Summary: ICE: SIGSEGV with
--param=min-nondebug-insn-uid=2147483647 on
powerpc64le-unknown-linux-gnu
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: powerpc64le-unknown-linux-gnu
Created attachment 56518
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56518&action=edit
reduced testcase
Compiler output:
$ powerpc64le-unknown-linux-gnu-gcc --param=min-nondebug-insn-uid=2147483647
testcase.c -wrapper valgrind,-q,--num-callers=100
==18938== Invalid read of size 4
==18938== at 0xC9A477: get_attr_length_1(rtx_insn*, int (*)(rtx_insn*))
(final.cc:353)
==18938== by 0x1489717: rs6000_insn_cost (rs6000.cc:22634)
==18938== by 0x1489717: rs6000_insn_cost(rtx_insn*, bool) (rs6000.cc:22614)
==18938== by 0xC6D69E: canonicalize_comparison(machine_mode, rtx_code*,
rtx_def**) (expmed.cc:6344)
==18938== by 0xC6DD71: emit_store_flag_1(rtx_def*, rtx_code, rtx_def*,
rtx_def*, machine_mode, int, int, machine_mode) (expmed.cc:5629)
==18938== by 0xC6E2A7: emit_store_flag(rtx_def*, rtx_code, rtx_def*,
rtx_def*, machine_mode, int, int) (expmed.cc:6037)
==18938== by 0xC6F26A: emit_store_flag_force(rtx_def*, rtx_code, rtx_def*,
rtx_def*, machine_mode, int, int) (expmed.cc:6177)
==18938== by 0xC89B8F: convert_mode_scalar(rtx_def*, rtx_def*, int)
(expr.cc:689)
==18938== by 0xC7E70D: expand_expr_real_2(separate_ops*, rtx_def*,
machine_mode, expand_modifier) (expr.cc:9396)
==18938== by 0xB4A2F0: expand_gimple_stmt_1 (cfgexpand.cc:3983)
==18938== by 0xB4A2F0: expand_gimple_stmt(gimple*) (cfgexpand.cc:4044)
==18938== by 0xB5067E: expand_gimple_basic_block(basic_block_def*, bool)
(cfgexpand.cc:6100)
==18938== by 0xB5235E: (anonymous
namespace)::pass_expand::execute(function*) (cfgexpand.cc:6835)
==18938== by 0xF7B62A: execute_one_pass(opt_pass*) (passes.cc:2641)
==18938== by 0xF7BF0F: execute_pass_list_1(opt_pass*) (passes.cc:2750)
==18938== by 0xF7BF48: execute_pass_list(function*, opt_pass*)
(passes.cc:2761)
==18938== by 0xB92FF5: expand (cgraphunit.cc:1841)
==18938== by 0xB92FF5: cgraph_node::expand() (cgraphunit.cc:1794)
==18938== by 0xB93F09: output_in_order (cgraphunit.cc:2191)
==18938== by 0xB93F09: symbol_table::compile() [clone .part.0]
(cgraphunit.cc:2395)
==18938== by 0xB96EA7: compile (cgraphunit.cc:2311)
==18938== by 0xB96EA7: symbol_table::finalize_compilation_unit()
(cgraphunit.cc:2583)
==18938== by 0x10B3D62: compile_file() (toplev.cc:473)
==18938== by 0x9B8903: do_compile (toplev.cc:2129)
==18938== by 0x9B8903: toplev::main(int, char**) (toplev.cc:2285)
==18938== by 0x9BA00A: main (main.cc:39)
==18938== Address 0xfffffffe0000001c is not stack'd, malloc'd or (recently)
free'd
==18938==
during RTL pass: expand
testcase.c: In function 'foo':
testcase.c:7:5: internal compiler error: Segmentation fault
7 | i += j;
| ^~
$ powerpc64le-unknown-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest-powerpc64le/bin/powerpc64le-unknown-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r14-5141-20231106022717-g1a55724f787-checking-yes-rtl-df-extra-powerpc64le/bin/../libexec/gcc/powerpc64le-unknown-linux-gnu/14.0.0/lto-wrapper
Target: powerpc64le-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/powerpc64le-unknown-linux-gnu --build=x86_64-pc-linux-gnu
--host=x86_64-pc-linux-gnu --target=powerpc64le-unknown-linux-gnu
--with-ld=/usr/bin/powerpc64le-unknown-linux-gnu-ld
--with-as=/usr/bin/powerpc64le-unknown-linux-gnu-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r14-5141-20231106022717-g1a55724f787-checking-yes-rtl-df-extra-powerpc64le
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 14.0.0 20231106 (experimental) (GCC)
