https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93125
Bug ID: 93125
Summary: ICE in insert_regs, at cse.c:1128
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: ktkachov at gcc dot gnu.org
Target Milestone: ---
Host: x86_64-linux-gnu
Target: arm-linux-gnueabi
The following ICEs:
$ cat ice2.i
enum { LODI } a;
int *b;
long long c;
void fn1() {
for (;;)
switch (a)
case LODI:
*b = c -= (long long)&a << 32;
}
$ arm-linux-gnueabi-gcc -O3 -fno-dce -c ice2.i
ice2.i: In function ‘fn1’:
ice2.i:9:17: warning: cast from pointer to integer of different size
[-Wpointer-to-int-cast]
9 | *b = c -= (long long)&a << 32;
| ^
during RTL pass: cse_local
ice2.i:10:1: internal compiler error: in insert_regs, at cse.c:1128
10 | }
| ^
0x5a97a9 insert_regs
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/cse.c:1128
0x1129488 cse_insn
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/cse.c:5955
0x112b78d cse_extended_basic_block
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/cse.c:6613
0x112b78d cse_main
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/cse.c:6792
0x112c41d rest_of_handle_cse_after_global_opts
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/cse.c:7764
0x112c41d execute
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/cse.c:7815
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
