https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113229
Bug ID: 113229
Summary: [14 Regression] gcc.dg/torture/pr70083.c ICEs when
compiled with -march=armv9-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/pr70083.c
-march=armv9-a+sve2 -fdiagnostics-plain-output -O1 -Wno-psabi -S -o pr70083.s
during RTL pass: expand
/home/apinski/src/upstream-full-cross/gcc/gcc/testsuite/gcc.dg/torture/pr70083.c:
In function 'foo':
/home/apinski/src/upstream-full-cross/gcc/gcc/testsuite/gcc.dg/torture/pr70083.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
```
