https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88863
Bug ID: 88863
Summary: ICE in extract_insn, at recog.c:2305
Product: gcc
Version: 9.0
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: segher at gcc dot gnu.org
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: ppc64-linux-gnu
Following is causing trouble:
$ cat math.i
int a;
void b() {
__builtin_log(a);
__builtin_logf(a);
__builtin_logl(a);
__builtin_log10f(a);
__builtin_log10l(a);
__builtin_log1p(a);
__builtin_log2f(a);
}
$ ppc64-linux-gnu-gcc -fno-tree-dce -fno-tree-sink -Ofast -c math.i -c
math.i: In function ‘b’:
math.i:10:1: error: unrecognizable insn:
10 | }
| ^
(insn 21 20 22 4 (set (reg:DI 138)
(ungt:DI (reg:CCFP 137)
(const_int 0 [0]))) -1
(nil))
during RTL pass: vregs
math.i:10:1: internal compiler error: in extract_insn, at recog.c:2305
0x577d1d _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64/build/gcc/rtl-error.c:108
0x577d39 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64/build/gcc/rtl-error.c:116
0x577226 extract_insn(rtx_insn*)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64/build/gcc/recog.c:2305
0x7cc4ef instantiate_virtual_regs_in_insn
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64/build/gcc/function.c:1605
0x7cc4ef instantiate_virtual_regs
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64/build/gcc/function.c:1975
0x7cc4ef execute
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64/build/gcc/function.c:2024
