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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/113229] New: [14 Regression] gcc.dg/torture/pr70083.c
 ICEs when compiled with -march=armv9-a+sve2
Date: Thu, 04 Jan 2024 08:20:22 +0000
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X-Bugzilla-Type: new
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: target
X-Bugzilla-Version: 14.0
X-Bugzilla-Keywords: ice-on-valid-code, testsuite-fail
X-Bugzilla-Severity: normal
X-Bugzilla-Who: pinskia at gcc dot gnu.org
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D113229

            Bug ID: 113229
           Summary: [14 Regression] gcc.dg/torture/pr70083.c ICEs when
                    compiled with -march=3Darmv9-a+sve2
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code, testsuite-fail
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: pinskia at gcc dot gnu.org
  Target Milestone: ---
            Target: aarch64-linux-gnu

```
spawn -ignore SIGHUP
/bajas/pinskia/src/upstream-full-cross/gcc/objdir-stage2/gcc/xgcc
-B/bajas/pinskia/src/upstream-full-cross/gcc/objdir-stage2/gcc/
/home/apinski/src/upstream-full-cross/gcc/gcc/testsuite/gcc.dg/torture/pr70=
083.c
-march=3Darmv9-a+sve2 -fdiagnostics-plain-output -O1 -Wno-psabi -S -o pr700=
83.s
during RTL pass: expand
/home/apinski/src/upstream-full-cross/gcc/gcc/testsuite/gcc.dg/torture/pr70=
083.c:
In function 'foo':
/home/apinski/src/upstream-full-cross/gcc/gcc/testsuite/gcc.dg/torture/pr70=
083.c:20:64:
internal compiler error: in paradoxical_subreg_p, at rtl.h:3213
0x80c65b paradoxical_subreg_p(machine_mode, machine_mode)
        ../../gcc/rtl.h:3213
0x80cfc8 paradoxical_subreg_p(machine_mode, machine_mode)
        ../../gcc/poly-int.h:2179
0x80cfc8 simplify_const_vector_subreg
        ../../gcc/simplify-rtx.cc:7423
0x80cfc8 simplify_context::simplify_subreg(machine_mode, rtx_def*,
machine_mode, poly_int<2u, unsigned long>)
        ../../gcc/simplify-rtx.cc:7595
0x1029011 simplify_context::simplify_gen_subreg(machine_mode, rtx_def*,
machine_mode, poly_int<2u, unsigned long>)
        ../../gcc/simplify-rtx.cc:7875
0x19af255 simplify_gen_subreg(machine_mode, rtx_def*, machine_mode,
poly_int<2u, unsigned long>)
        ../../gcc/rtl.h:3552
0x19af255 gen_divv4si3(rtx_def*, rtx_def*, rtx_def*)
        ../../gcc/config/aarch64/aarch64-simd.md:2715
```=