[Bug target/100302] New: ICE in abs_hwi, at hwint.h:324

[asolokha at gmx dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100302

            Bug ID: 100302
           Summary: ICE in abs_hwi, at hwint.h:324
           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: asolokha at gmx dot com
  Target Milestone: ---
            Target: aarch64-linux-gnu

gcc-11.0.1-alpha20210426 snapshot (g:d3212299e2cfc3c16dd23bab26ec6c49024105f8)
ICEs when compiling the following testcase w/ -mcpu=zeus -O1
-ftree-loop-vectorize -fno-tree-scev-cprop --param vect-partial-vector-usage=0:

long int ct;

void
pt (void)
{
  for (ct = 0; ct >= 0; ++ct)
    ;
}

% aarch64-linux-gnu-gcc-11.0.1 -mcpu=zeus -O1 -ftree-loop-vectorize
-fno-tree-scev-cprop --param vect-partial-vector-usage=0 -c ppzrgnc5.c
during RTL pass: expand
ppzrgnc5.c: In function 'pt':
ppzrgnc5.c:4:1: internal compiler error: in abs_hwi, at hwint.h:324
    4 | pt (void)
      | ^~
0x7f23c9 abs_hwi(long)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/hwint.h:324
0x7f23c9 abs_hwi(long)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/hwint.h:322
0x7f23c9 aarch64_add_offset_1_temporaries
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/config/aarch64/aarch64.c:4739
0x7f23c9 aarch64_offset_temporaries
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/config/aarch64/aarch64.c:4854
0x12a1c6c aarch64_legitimate_constant_p
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/config/aarch64/aarch64.c:18023
0xe455bb general_operand(rtx_def*, machine_mode)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/recog.c:1434
0xb23e7a copy_to_mode_reg(machine_mode, rtx_def*)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/explow.c:648
0xdbc022 prepare_cmp_insn
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/optabs.c:4397
0xdbc8e6 emit_cmp_and_jump_insns(rtx_def*, rtx_def*, rtx_code, rtx_def*,
machine_mode, int, rtx_def*, profile_probability)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/optabs.c:4583
0xa91020 do_compare_rtx_and_jump(rtx_def*, rtx_def*, rtx_code, int,
machine_mode, rtx_def*, rtx_code_label*, rtx_code_label*, profile_probability)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/dojump.c:1220
0xa92574 do_compare_and_jump
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/dojump.c:1294
0xa93c83 do_jump_1
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/dojump.c:242
0xa230cd expand_gimple_cond
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/cfgexpand.c:2646
0xa2396c expand_gimple_basic_block
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/cfgexpand.c:5904
0xa2539f execute
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/cfgexpand.c:6729