https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65989
Bug ID: 65989
Summary: [6 Regression] ICE: in extract_constrain_insn_cached,
at recog.c:2256 (insn does not satisfy its
constraints) with -fsanitize=thread -mavx512dq
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Target Milestone: ---
Created attachment 35446
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35446&action=edit
reduced testcase
Compiler output:
$ gcc -fsanitize=thread -mavx512dq testcase.c
testcase.c: In function 'foo':
testcase.c:23:1: error: insn does not satisfy its constraints:
}
^
(insn 188 187 142 2 (set (reg:V2DF 53 xmm16 [ D.3172 ])
(vec_merge:V2DF (vec_duplicate:V2DF (float:DF (reg:SI 0 ax [orig:124
D.3171 ] [124])))
(reg:V2DF 53 xmm16 [ D.3172 ])
(const_int 1 [0x1]))) testcase.c:22 2195 {sse2_cvtsi2sd}
(nil))
testcase.c:23:1: internal compiler error: in extract_constrain_insn_cached, at
recog.c:2256
0xae3e58 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
/mnt/svn/gcc-trunk/gcc/rtl-error.c:110
0xae3ec4 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
/mnt/svn/gcc-trunk/gcc/rtl-error.c:121
0xa9b289 extract_constrain_insn_cached(rtx_insn*)
/mnt/svn/gcc-trunk/gcc/recog.c:2256
0xebee07 insn_default_length(rtx_insn*)
/mnt/svn/gcc-trunk/gcc/config/i386/i386.md:13281
0x81cb89 shorten_branches(rtx_insn*)
/mnt/svn/gcc-trunk/gcc/final.c:1219
0x81d7df rest_of_handle_shorten_branches
/mnt/svn/gcc-trunk/gcc/final.c:4584
0x81d7df execute
/mnt/svn/gcc-trunk/gcc/final.c:4613
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:
r222716 - ICE
5 r222437 - OK
