https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82674
Bug ID: 82674
Summary: ICE with -fstack-clash-protection
Product: gcc
Version: unknown
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: bergner at gcc dot gnu.org, segher at gcc dot gnu.org,
wschmidt at gcc dot gnu.org
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: ppc64-linux-gnu
Following ICEs:
$ ./xgcc -B.
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/tree-ssa/pr23848-1.c --param
stack-clash-protection-probe-interval=16 -fstack-clash-protection
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/tree-ssa/pr23848-1.c: In
function ‘foo1’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/tree-ssa/pr23848-1.c:12:1:
error: unrecognizable insn:
}
^
(insn 39 69 40 5 (parallel [
(set (mem:DI (plus:DI (reg/f:DI 1 1)
(const_int -65536 [0xffffffffffff0000])) [0 S8 A8])
(reg:DI 144))
(set (reg/f:DI 1 1)
(plus:DI (reg/f:DI 1 1)
(const_int -65536 [0xffffffffffff0000])))
])
"/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/tree-ssa/pr23848-1.c":9 -1
(nil))
during RTL pass: vregs
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/tree-ssa/pr23848-1.c:12:1:
internal compiler error: in extract_insn, at recog.c:2305
0xe90dbd _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
../../gcc/rtl-error.c:108
0xe90dfe _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
../../gcc/rtl-error.c:116
0xe3a661 extract_insn(rtx_insn*)
../../gcc/recog.c:2305
0xb2fcac instantiate_virtual_regs_in_insn
../../gcc/function.c:1639
0xb31172 instantiate_virtual_regs
../../gcc/function.c:1959
0xb3123c execute
../../gcc/function.c:2008
