https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103622
Bug ID: 103622
Summary: ICE: Segmentation fault (in
altivec_resolve_new_overloaded_builtin)
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Keywords: error-recovery
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
Target: powerpc-*-linux-gnu
gcc 12.0.0 20211205 snapshot (g:c9419faef0bfaf31e6a6f744baa064892e0d105c) ICEs
when compiling the following testcase, extracted from
gcc/testsuite/gcc.target/powerpc/float128-hw4.c, for a target older than
power9:
unsigned int
get_float128_exponent (long double a)
{
return __builtin_vec_scalar_extract_exp (a);
}
% powerpc-e300c3-linux-gnu-gcc-12.0.0 -c ntldzv7v.c
ntldzv7v.c: In function 'get_float128_exponent':
ntldzv7v.c:4:3: internal compiler error: Segmentation fault
4 | return __builtin_vec_scalar_extract_exp (a);
| ^~~~~~
0xe90b56 crash_signal
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_p20211205/work/gcc-12-20211205/gcc/toplev.c:322
0x93bbc9 tree_check2(tree_node*, char const*, int, char const*, tree_code,
tree_code)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_p20211205/work/gcc-12-20211205/gcc/tree.h:3459
0x93bbc9 altivec_resolve_new_overloaded_builtin
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_p20211205/work/gcc-12-20211205/gcc/config/rs6000/rs6000-c.c:2947
0x860aa4 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-12.0.0_p20211205/work/gcc-12-20211205/gcc/c/c-typeck.c:3268
0x881e00 c_parser_postfix_expression_after_primary
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_p20211205/work/gcc-12-20211205/gcc/c/c-parser.c:10555
0x879284 c_parser_postfix_expression
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_p20211205/work/gcc-12-20211205/gcc/c/c-parser.c:10228
0x87d80a c_parser_unary_expression
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_p20211205/work/gcc-12-20211205/gcc/c/c-parser.c:8254
0x87ed57 c_parser_cast_expression
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_p20211205/work/gcc-12-20211205/gcc/c/c-parser.c:8096
0x87ef94 c_parser_binary_expression
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_p20211205/work/gcc-12-20211205/gcc/c/c-parser.c:7899
0x880481 c_parser_conditional_expression
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_p20211205/work/gcc-12-20211205/gcc/c/c-parser.c:7599
0x880d91 c_parser_expr_no_commas
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_p20211205/work/gcc-12-20211205/gcc/c/c-parser.c:7514
0x8810cd c_parser_expression
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_p20211205/work/gcc-12-20211205/gcc/c/c-parser.c:10691
0x877e5f c_parser_expression_conv
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_p20211205/work/gcc-12-20211205/gcc/c/c-parser.c:10730
0x877e5f c_parser_statement_after_labels
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_p20211205/work/gcc-12-20211205/gcc/c/c-parser.c:6166
0x878f1a c_parser_compound_statement_nostart
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_p20211205/work/gcc-12-20211205/gcc/c/c-parser.c:5793
0x89707d c_parser_compound_statement
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_p20211205/work/gcc-12-20211205/gcc/c/c-parser.c:5602
0x8988f3 c_parser_declaration_or_fndef
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_p20211205/work/gcc-12-20211205/gcc/c/c-parser.c:2544
0x8a030b c_parser_external_declaration
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_p20211205/work/gcc-12-20211205/gcc/c/c-parser.c:1779
0x8a0b8b c_parser_translation_unit
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_p20211205/work/gcc-12-20211205/gcc/c/c-parser.c:1652
0x8a0b8b c_parse_file()
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_p20211205/work/gcc-12-20211205/gcc/c/c-parser.c:23279
