https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88847
Bug ID: 88847
Summary: gcc.target/aarch64/sve/struct_move_1.c ICE with
-fstack-protector-strong
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: mpolacek at gcc dot gnu.org
Target Milestone: ---
Target: aarch64-unknown-linux-gnu
$ ./cc1 -quiet struct_move_1.c -march=armv8.2-a+sve -msve-vector-bits=256
-mbig-endian -fstack-protector-strong
struct_move_1.c: In function ‘f2_vnx32qi’:
struct_move_1.c:60:1: error: unrecognizable insn:
60 | TEST_TYPE (vnx32qi, z0, z2)
| ^~~~~~~~~
(insn 12 11 13 2 (set (mem/c:VNx32QI (plus:DI (reg/f:DI 85 virtual-stack-vars)
(const_int -80 [0xffffffffffffffb0])) [3 x+0 S64 A128])
(unspec:VNx32QI [
(reg:VNx16BI 93)
(reg:VNx32QI 94)
] UNSPEC_MERGE_PTRUE)) "struct_move_1.c":60:1 -1
(nil))
during RTL pass: vregs
struct_move_1.c:60:1: internal compiler error: in extract_insn, at recog.c:2305
0x59c1ab _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
/home/polacek/src/gcc/gcc/rtl-error.c:108
0x59c1e3 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
/home/polacek/src/gcc/gcc/rtl-error.c:116
0xb8dfaf extract_insn(rtx_insn*)
/home/polacek/src/gcc/gcc/recog.c:2305
0x90ea87 instantiate_virtual_regs_in_insn
/home/polacek/src/gcc/gcc/function.c:1605
0x90ea87 instantiate_virtual_regs
/home/polacek/src/gcc/gcc/function.c:1975
0x90ea87 execute
/home/polacek/src/gcc/gcc/function.c:2024
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.
Without -fstack-protector-strong it compiles fine.
