https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69146
Bug ID: 69146
Summary: [5 Regression] ICE in extract_insn, at recog.c:2343 on
powerpc64le-linux-gnu
Product: gcc
Version: 5.3.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: doko at gcc dot gnu.org
Target Milestone: ---
seen building the kumofs package with the gcc-5 branch 20160101:
reduced test case:
class A {
bool m_fn1();
short m_role;
};
char a;
bool A::m_fn1() { __sync_bool_compare_and_swap(&m_role, -1, a); }
$ g++ -c -g -O2 cluster.ii
cluster.ii: In member function 'bool A::m_fn1()':
cluster.ii:6:65: error: unrecognizable insn:
bool A::m_fn1() { __sync_bool_compare_and_swap(&m_role, -1, a); }
^
(insn 11 10 12 4 (set (reg:CC 166)
(compare:CC (reg:SI 165)
(const_int 65535 [0xffff]))) cluster.ii:6 -1
(nil))
cluster.ii:6:65: internal compiler error: in extract_insn, at recog.c:2343
0x102c0103 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
../../src/gcc/rtl-error.c:110
0x102c014f _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
../../src/gcc/rtl-error.c:118
0x109a5bfb extract_insn(rtx_insn*)
../../src/gcc/recog.c:2343
0x10832e7f instantiate_virtual_regs_in_insn
../../src/gcc/function.c:1598
0x10832e7f instantiate_virtual_regs
../../src/gcc/function.c:1966
0x10832e7f execute
../../src/gcc/function.c:2015
Please submit a full bug report,
with preprocessed source if appropriate.
