[Bug target/106736] [13 Regression] ICE in gen_movxo, at config/rs6000/mma.md:333

[asolokha at gmx dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106736

Arseny Solokha <asolokha at gmx dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|ice-on-valid-code           |ice-on-invalid-code

--- Comment #1 from Arseny Solokha <asolokha at gmx dot com> ---
Hit Enter too early…

gcc 13.0.0 20220821 snapshot (g:d6a39c25c05c6ed5df8ce49eda719d17e40e29bb) ICEs
when compiling gcc/testsuite/gcc.target/powerpc/pr106016.c and similar
testcases requiring -mmma support:

% powerpc-e300c3-linux-gnu-gcc-13.0.0 -c
gcc/testsuite/gcc.target/powerpc/pr106016.c
during RTL pass: expand
gcc/testsuite/gcc.target/powerpc/pr106016.c: In function 'foo':
gcc/testsuite/gcc.target/powerpc/pr106016.c:12:27: internal compiler error: in
gen_movxo, at config/rs6000/mma.md:333
   12 |   __vector_quad arr[2] = {*a, *b};
      |                           ^~
0x7d8391 gen_movxo(rtx_def*, rtx_def*)
       
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/config/rs6000/mma.md:333
0xae1dbe rtx_insn* insn_gen_fn::operator()<rtx_def*, rtx_def*>(rtx_def*,
rtx_def*) const
       
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/recog.h:407
0xae1dbe emit_move_ccmode
       
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/expr.cc:3871
0xae1dbe emit_move_insn_1(rtx_def*, rtx_def*)
       
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/expr.cc:4016
0xae222e emit_move_insn(rtx_def*, rtx_def*)
       
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/expr.cc:4167
0xae9e11 store_expr(tree_node*, rtx_def*, int, bool, bool)
       
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/expr.cc:6342
0xaeb910 expand_assignment(tree_node*, tree_node*, bool)
       
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/expr.cc:5876
0x9aa3fa expand_gimple_stmt_1
       
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/cfgexpand.cc:3946
0x9aa3fa expand_gimple_stmt
       
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/cfgexpand.cc:4044
0x9b01b4 expand_gimple_basic_block
       
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/cfgexpand.cc:6096
0x9b2396 execute
       
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/cfgexpand.cc:6822

For me, it does not ICE only w/ -mcpu=power10.