[Bug target/93997] New: [10 Regression] ICE: maximum number of generated reload insns per insn achieved (90) since r10-2156-g82534f65d86d48da

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93997

            Bug ID: 93997
           Summary: [10 Regression] ICE: maximum number of generated
                    reload insns per insn achieved (90) since
                    r10-2156-g82534f65d86d48da
           Product: gcc
           Version: 10.0
            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: ubizjak at gmail dot com
  Target Milestone: ---

I see the following ICE since the mentioned revision:

$ gcc /home/marxin/Programming/gcc/gcc/testsuite/c-c++-common/vector-scalar.c
-m32 -march=athlon-4
during RTL pass: reload
/home/marxin/Programming/gcc/gcc/testsuite/c-c++-common/vector-scalar.c: In
function ‘f’:
/home/marxin/Programming/gcc/gcc/testsuite/c-c++-common/vector-scalar.c:10:1:
internal compiler error: maximum number of generated reload insns per insn
achieved (90)
   10 | }
      | ^
0xc99204 lra_constraints(bool)
        /home/marxin/Programming/gcc/gcc/lra-constraints.c:4948
0xc86044 lra(_IO_FILE*)
        /home/marxin/Programming/gcc/gcc/lra.c:2437
0xc3dcc1 do_reload
        /home/marxin/Programming/gcc/gcc/ira.c:5523
0xc3dcc1 execute
        /home/marxin/Programming/gcc/gcc/ira.c:5709
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