https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93353
Bug ID: 93353
Summary: ICE: in final_scan_insn_1, at final.c:3073 (error:
could not split insn)
Product: gcc
Version: 10.0
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-10.0.0-alpha20200119 snapshot (g:3684bbb022cd75da55e1457673f269980aa12cdf)
ICEs when compiling the following testcase reduced from
gcc/testsuite/c-c++-common/Warray-bounds.c:
struct {
int qv;
char rs[];
} a9;
void
x5 (void)
{
a9.rs[0x7fffffff - sizeof (1)] = 0;
}
% powerpc-e300c3-linux-gnu-gcc-10.0.0-alpha20200119 -c dxie9bpv.c
dxie9bpv.c: In function 'x5':
dxie9bpv.c:10:1: error: could not split insn
10 | }
| ^
(insn 7 6 8 (set (reg:SI 9 9 [120])
(const_int 2147483648 [0x80000000])) "dxie9bpv.c":9:34 503
{*movsi_internal1}
(nil))
during RTL pass: final
dxie9bpv.c:10:1: internal compiler error: in final_scan_insn_1, at final.c:3073
0x689c74 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-10.0.0_alpha20200119/work/gcc-10-20200119/gcc/rtl-error.c:108
0x5fd377 final_scan_insn_1
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-10.0.0_alpha20200119/work/gcc-10-20200119/gcc/final.c:3073
0xab4cf8 final_scan_insn(rtx_insn*, _IO_FILE*, int, int, int*)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-10.0.0_alpha20200119/work/gcc-10-20200119/gcc/final.c:3152
0xab5017 final_1
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-10.0.0_alpha20200119/work/gcc-10-20200119/gcc/final.c:2020
0xab5a71 rest_of_handle_final
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-10.0.0_alpha20200119/work/gcc-10-20200119/gcc/final.c:4658
0xab5a71 execute
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-10.0.0_alpha20200119/work/gcc-10-20200119/gcc/final.c:4736
