https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98959
Bug ID: 98959
Summary: ICE in extract_constrain_insn, at recog.c:2670
Product: gcc
Version: 11.0
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
CC: luoxhu at gcc dot gnu.org, segher at gcc dot gnu.org
Target Milestone: ---
Host: x86_64-linux-gnu
Target: ppc64le-linux-gnu
The following fails:
$ cat ice.i
__attribute__((altivec(vector__))) unsigned __int128 e0(
__attribute__((altivec(vector__))) unsigned __int128 v);
void me0() {
__attribute__((altivec(vector__))) unsigned __int128 dv = {
((31415926539) << 6)};
dv = e0(dv);
if (dv[0] != 0) __builtin_abort();
}
$ ppc64le-linux-gnu-gcc -fno-schedule-insns -O2 ice.i -c
ice.i: In function ‘me0’:
ice.i:8:1: error: insn does not satisfy its constraints:
8 | }
| ^
(insn 48 5 49 2 (set (reg:V1TI 66 2)
(rotate:V1TI (mem/u/c:V1TI (and:DI (reg/f:DI 9 9 [120])
(const_int -16 [0xfffffffffffffff0])) [0 S16 A128])
(const_int 64 [0x40]))) "ice.i":6:8 1102 {*vsx_le_permute_v1ti}
(nil))
during RTL pass: pro_and_epilogue
ice.i:8:1: internal compiler error: in extract_constrain_insn, at recog.c:2670
0x5c9c84 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64le/build/gcc/rtl-error.c:108
0x5c9caa _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64le/build/gcc/rtl-error.c:118
0x5c9154 extract_constrain_insn(rtx_insn*)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64le/build/gcc/recog.c:2670
0xa8f31c copyprop_hardreg_forward_1
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64le/build/gcc/regcprop.c:831
0xa906a1 copyprop_hardreg_forward_bb_without_debug_insn(basic_block_def*)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64le/build/gcc/regcprop.c:1210
0xae56eb prepare_shrink_wrap
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64le/build/gcc/shrink-wrap.c:451
0xae56eb try_shrink_wrapping(edge_def**, rtx_insn*)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64le/build/gcc/shrink-wrap.c:674
0x86c3a9 thread_prologue_and_epilogue_insns()
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64le/build/gcc/function.c:6025
0x86c922 rest_of_handle_thread_prologue_and_epilogue
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64le/build/gcc/function.c:6510
0x86c922 execute
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64le/build/gcc/function.c:6586
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with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
