https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79895
Bug ID: 79895
Summary: ICE in extract_constrain_insn, at recog.c:2213
Product: gcc
Version: 7.0
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
Target Milestone: ---
Target: s390x-linux-gnu
We ICE on:
$ s390x-linux-gnu-gcc
/home/marxin/Programming/gcc/gcc/testsuite/c-c++-common/ubsan/float-cast-overflow-7.c
-O3 -mno-lra
/home/marxin/Programming/gcc/gcc/testsuite/c-c++-common/ubsan/float-cast-overflow-7.c:
In function ‘main’:
/home/marxin/Programming/gcc/gcc/testsuite/c-c++-common/ubsan/float-cast-overflow-7.c:196:1:
error: insn does not satisfy its constraints:
}
^
(insn 6003 944 945 131 (set (reg:TI 4 %r4)
(const_wide_int 0x0ffffffffffffffff))
"/home/marxin/Programming/gcc/gcc/testsuite/c-c++-common/ubsan/float-cast-overflow-7.c":160
1093 {movti}
(nil))
/home/marxin/Programming/gcc/gcc/testsuite/c-c++-common/ubsan/float-cast-overflow-7.c:196:1:
internal compiler error: in extract_constrain_insn, at recog.c:2213
0xae9088 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
.././../gcc/rtl-error.c:108
0xae90af _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
.././../gcc/rtl-error.c:119
0xabd2dd extract_constrain_insn(rtx_insn*)
.././../gcc/recog.c:2213
0xa8ee96 reload_cse_simplify_operands
.././../gcc/postreload.c:391
0xa8ffa4 reload_cse_simplify
.././../gcc/postreload.c:179
0xa8ffa4 reload_cse_regs_1
.././../gcc/postreload.c:218
0xa918bb reload_cse_regs
.././../gcc/postreload.c:64
0xa918bb execute
.././../gcc/postreload.c:2342
