https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94435
Bug ID: 94435
Summary: ICE in extract_insn, at recog.c:2294
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: jakub at gcc dot gnu.org
Target Milestone: ---
Host: x86_64-linux-gnu
Target: aarch64-linux-gnu
Once Jakub added a new test-case I see:
$ ./xgcc -B. /home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/pr94368.c
-moutline-atomics -c
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/pr94368.c: In function ‘bar’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/pr94368.c:25:1: error:
unrecognizable insn:
25 | }
| ^
(insn 62 61 63 8 (set (reg:CC 66 cc)
(compare:CC (reg:SI 0 x0)
(reg:HI 122)))
"/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/pr94368.c":23:7 -1
(nil))
during RTL pass: vregs
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/pr94368.c:25:1: internal
compiler error: in extract_insn, at recog.c:2294
0x119b89f _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
/home/marxin/Programming/gcc2/gcc/rtl-error.c:108
0x119b8e0 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
/home/marxin/Programming/gcc2/gcc/rtl-error.c:116
0x114a983 extract_insn(rtx_insn*)
/home/marxin/Programming/gcc2/gcc/recog.c:2294
0xdb0281 instantiate_virtual_regs_in_insn
/home/marxin/Programming/gcc2/gcc/function.c:1607
0xdb1859 instantiate_virtual_regs
/home/marxin/Programming/gcc2/gcc/function.c:1977
0xdb1924 execute
/home/marxin/Programming/gcc2/gcc/function.c:2026
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.
The issues started with r10-3301-g3950b229a5ed6710f30241c2ddc3c74909bf4740
where -moutline-atomics was added.
