https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64387
Bug ID: 64387
Summary: ICE: in extract_insn, at recog.c:2327 (unrecognizable
insn) with -ffloat-store -mavx512er
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 34322
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34322&action=edit
reduced testcase
Compiler output:
$ gcc -O2 -ftree-vectorize -ffloat-store -mavx512er testcase.c
testcase.c: In function 'foo':
testcase.c:12:1: error: unrecognizable insn:
}
^
(insn 43 42 44 4 (set (reg:V8SF 121)
(vec_select:V8SF (mem/c:V16SF (plus:DI (reg/f:DI 82 virtual-stack-vars)
(const_int -128 [0xffffffffffffff80])) [1 vect__10.6+0 S64
A512])
(parallel [
(const_int 8 [0x8])
(const_int 9 [0x9])
(const_int 10 [0xa])
(const_int 11 [0xb])
(const_int 12 [0xc])
(const_int 13 [0xd])
(const_int 14 [0xe])
(const_int 15 [0xf])
]))) testcase.c:9 -1
(nil))
testcase.c:12:1: 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
4_9 r219040 - OK
