https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104967
Bug ID: 104967
Summary: ICE: Segmentation fault (in find_instance)
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Keywords: ice-on-invalid-code
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
Target: powerpc-e300c3-linux-gnu
gcc 12.0.1 20220313 snapshot (g:7e28750395889d16a9cba49cd5935ced7dc00ce8) ICEs
when compiling the following testcase, reduced from
gcc/testsuite/gcc.target/powerpc/float128-hw4.c, for 32-bit BE target:
long double
set_float128_exponent_float128 (long double a, int e)
{
return __builtin_vec_scalar_insert_exp (a, e);
}
% powerpc-e300c3-linux-gnu-gcc-12.0.1 -c iudcdop7.c
iudcdop7.c: In function 'set_float128_exponent_float128':
iudcdop7.c:4:3: internal compiler error: Segmentation fault
4 | return __builtin_vec_scalar_insert_exp (a, e);
| ^~~~~~
0xe3e12f crash_signal
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220313/work/gcc-12-20220313/gcc/toplev.cc:322
0x8f5e88 tree_check2(tree_node*, char const*, int, char const*, tree_code,
tree_code)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220313/work/gcc-12-20220313/gcc/tree.h:3467
0x8f5e88 find_instance(bool*, ovlddata**, rs6000_gen_builtins,
rs6000_gen_builtins, tree_node**, tree_node**)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220313/work/gcc-12-20220313/gcc/config/rs6000/rs6000-c.cc:1690
0x8f692c altivec_resolve_overloaded_builtin(unsigned int, tree_node*, void*)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220313/work/gcc-12-20220313/gcc/config/rs6000/rs6000-c.cc:1951
0x81e3d4 c_build_function_call_vec(unsigned int, vec<unsigned int, va_heap,
vl_ptr> const&, tree_node*, vec<tree_node*, va_gc, vl_embed>*, vec<tree_node*,
va_gc, vl_embed>*)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220313/work/gcc-12-20220313/gcc/c/c-typeck.cc:3268
0x83fdd7 c_parser_postfix_expression_after_primary
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220313/work/gcc-12-20220313/gcc/c/c-parser.cc:10561
0x836f98 c_parser_postfix_expression
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220313/work/gcc-12-20220313/gcc/c/c-parser.cc:10234
0x83b47a c_parser_unary_expression
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220313/work/gcc-12-20220313/gcc/c/c-parser.cc:8261
0x83cc51 c_parser_cast_expression
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220313/work/gcc-12-20220313/gcc/c/c-parser.cc:8103
0x83cee1 c_parser_binary_expression
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220313/work/gcc-12-20220313/gcc/c/c-parser.cc:7906
0x83e3ae c_parser_conditional_expression
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220313/work/gcc-12-20220313/gcc/c/c-parser.cc:7606
0x83ec00 c_parser_expr_no_commas
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220313/work/gcc-12-20220313/gcc/c/c-parser.cc:7521
0x83ee91 c_parser_expression
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220313/work/gcc-12-20220313/gcc/c/c-parser.cc:10697
0x83f668 c_parser_expression_conv
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220313/work/gcc-12-20220313/gcc/c/c-parser.cc:10736
0x8351cb c_parser_statement_after_labels
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220313/work/gcc-12-20220313/gcc/c/c-parser.cc:6173
0x836ada c_parser_compound_statement_nostart
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220313/work/gcc-12-20220313/gcc/c/c-parser.cc:5800
0x8573e5 c_parser_compound_statement
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220313/work/gcc-12-20220313/gcc/c/c-parser.cc:5609
0x858f78 c_parser_declaration_or_fndef
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220313/work/gcc-12-20220313/gcc/c/c-parser.cc:2544
0x861363 c_parser_external_declaration
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220313/work/gcc-12-20220313/gcc/c/c-parser.cc:1779
0x861dbb c_parser_translation_unit
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220313/work/gcc-12-20220313/gcc/c/c-parser.cc:1652
I'm not sure if it is related to PR104482.
