https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64386
Bug ID: 64386
Summary: ICE: in extract_insn, at recog.c:2327 (unrecognizable
insn) with -mavx512bw
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Created attachment 34321
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34321&action=edit
reduced testcase (from gcc.dg/vect/vect-cond-7.c)
Compiler output:
$ gcc -O -ftree-vectorize -mavx512bw testcase.c
testcase.c: In function 'fc':
testcase.c:11:1: error: unrecognizable insn:
}
^
(insn 13 12 14 2 (set (reg:DI 98)
(eq:DI (reg:V64QI 88 [ vect__6.8 ])
(reg:V64QI 97))) testcase.c:9 -1
(nil))
testcase.c:11:1: internal compiler error: in extract_insn, at recog.c:2327
0xbd9d78 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
/mnt/svn/gcc-trunk/gcc/rtl-error.c:110
0xbd9e08 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
/mnt/svn/gcc-trunk/gcc/rtl-error.c:118
0xb903b8 extract_insn(rtx_insn*)
/mnt/svn/gcc-trunk/gcc/recog.c:2327
0x96eecd instantiate_virtual_regs_in_insn
/mnt/svn/gcc-trunk/gcc/function.c:1582
0x96eecd instantiate_virtual_regs
/mnt/svn/gcc-trunk/gcc/function.c:1950
0x96eecd execute
/mnt/svn/gcc-trunk/gcc/function.c:1999
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
Tested revisions:
r219043 - ICE
