https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83862
Bug ID: 83862 Summary: powerpc: ICE in signbit testcase Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: raji at linux dot vnet.ibm.com Target Milestone: --- > cat t.c #define _GNU_SOURCE #include <stdio.h> #include <stdlib.h> #include <math.h> struct test_f_i_data { const char *arg_str; long double arg; int expected; int exceptions; }; static const struct test_f_i_data test_data[] = { { "1", 0, 0, 0x8000 }, { "1", 0, 0, 0x8000 }, { "1", 0, 0, 0x8000 } }; void check_bool (const char *test_name, int computed, int expected, int exceptions) { printf (" is: %d\n", computed); printf (" should be: %d\n", expected); } int main (int argc, char **argv) { for (size_t i = 0; i < sizeof (test_data) / sizeof (test_data)[0]; i++) { char *test_name; asprintf (&test_name, "(%s)",((test_data)[i].arg_str)); check_bool (test_name, signbit ((test_data)[i].arg) , (test_data)[i].expected, (test_data)[i].exceptions); free (test_name); } } > gcc-8 --version gcc-8 (SUSE Linux) 8.0.0 20180102 (experimental) [trunk revision 256068] Copyright (C) 2017 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. > gcc-8 -o t -g -mabi=ieeelongdouble -Wno-psabi t.c > gcc-8 -o t -g -O2 t.c > gcc-8 -o t -g -O2 -mabi=ieeelongdouble -Wno-psabi t.c during RTL pass: split2 t.c: In function ‘main’: t.c:39:1: internal compiler error: in change_address_1, at emit-rtl.c:2268 } ^ Please submit a full bug report, with preprocessed source if appropriate. See <http://bugs.opensuse.org/> for instructions.