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+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
+#
+# This file is part of GCC.
+#
+# GCC is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# GCC is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GCC; see the file COPYING3. If not see
+# <http://www.gnu.org/licenses/>.
+
+# GCC testsuite that uses the `dg.exp' driver.
+
+# Exit immediately if this isn't an AArch64 target.
+if {![istarget aarch64*-*-*] } then {
+ return
+}
+
+# Load support procs.
+load_lib gcc-dg.exp
+
+# Initialize `dg'.
+dg-init
+
+if ![check_effective_target_fopenmp] {
+ return
+}
+
+if { [check_effective_target_aarch64_sve] } {
+ set sve_flags ""
+} else {
+ set sve_flags "-march=armv8.2-a+sve"
+}
+
+# Main loop.
+dg-runtest [lsort [find $srcdir/$subdir *.c]] "$sve_flags -fopenmp" ""
+
+# All done.
+dg-finish
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+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
+#
+# This file is part of GCC.
+#
+# GCC is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# GCC is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GCC; see the file COPYING3. If not see
+# <http://www.gnu.org/licenses/>.
+
+# Load support procs.
+load_lib libgomp-dg.exp
+load_gcc_lib gcc-dg.exp
+
+# Exit immediately if this isn't an AArch64 target.
+if {![istarget aarch64*-*-*] } then {
+ return
+}
+
+lappend ALWAYS_CFLAGS "compiler=$GCC_UNDER_TEST"
+
+if { [check_effective_target_aarch64_sve] } {
+ set sve_flags ""
+} else {
+ set sve_flags "-march=armv8.2-a+sve"
+}
+
+# Initialize `dg'.
+dg-init
+
+#if ![check_effective_target_fopenmp] {
+# return
+#}
+
+# Turn on OpenMP.
+lappend ALWAYS_CFLAGS "additional_flags=-fopenmp"
+
+# Gather a list of all tests.
+set tests [lsort [find $srcdir/$subdir *.c]]
+
+set ld_library_path $always_ld_library_path
+append ld_library_path [gcc-set-multilib-library-path $GCC_UNDER_TEST]
+set_ld_library_path_env_vars
+
+# Main loop.
+dg-runtest $tests "" $sve_flags
+
+# All done.
+dg-finish
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+/* { dg-do run { target aarch64_sve256_hw } } */
+/* { dg-options "-msve-vector-bits=256 -std=gnu99 -fopenmp -O2 -fdump-tree-ompexp" } */
+
+#include <arm_sve.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+svint32_t
+__attribute__ ((noinline))
+explicit_shared (svint32_t a, svint32_t b, svbool_t p)
+{
+
+#pragma omp parallel shared (a, b, p) num_threads (1)
+ {
+ /* 'a', 'b' and 'p' are explicitly shared. */
+ a = svadd_s32_z (p, a, b);
+ }
+
+#pragma omp parallel shared (a, b, p) num_threads (1)
+ {
+ a = svadd_s32_z (p, a, b);
+ }
+
+ return a;
+}
+
+svint32_t
+__attribute__ ((noinline))
+implicit_shared_default (svint32_t a, svint32_t b, svbool_t p)
+{
+
+#pragma omp parallel default (shared) num_threads (1)
+ {
+ /* 'a', 'b' and 'p' are implicitly shared. */
+ a = svadd_s32_z (p, a, b);
+ }
+
+#pragma omp parallel default (shared) num_threads (1)
+ {
+ a = svadd_s32_z (p, a, b);
+ }
+
+ return a;
+}
+
+svint32_t
+__attribute__ ((noinline))
+implicit_shared_no_default (svint32_t a, svint32_t b, svbool_t p)
+{
+
+#pragma omp parallel num_threads (1)
+ {
+ /* 'a', 'b' and 'p' are implicitly shared without default clause. */
+ a = svadd_s32_z (p, a, b);
+ }
+
+#pragma omp parallel num_threads (1)
+ {
+ a = svadd_s32_z (p, a, b);
+ }
+
+ return a;
+}
+
+svint32_t
+__attribute__ ((noinline))
+mix_shared (svint32_t b, svbool_t p)
+{
+
+ svint32_t a;
+ int32_t *m = (int32_t *)malloc (8 * sizeof (int32_t));
+ int i;
+
+#pragma omp parallel for
+ for (i = 0; i < 8; i++)
+ m[i] = i;
+
+#pragma omp parallel
+ {
+ /* 'm' is predetermined shared here. 'a' is implicitly shared here. */
+ a = svld1_s32 (svptrue_b32 (), m);
+ }
+
+#pragma omp parallel num_threads (1)
+ {
+ /* 'a', 'b' and 'p' are implicitly shared here. */
+ a = svadd_s32_z (p, a, b);
+ }
+
+#pragma omp parallel shared (a, b, p) num_threads (1)
+ {
+ /* 'a', 'b' and 'p' are explicitly shared here. */
+ a = svadd_s32_z (p, a, b);
+ }
+
+ return a;
+}
+
+void
+__attribute__ ((noinline))
+predetermined_shared_static (bool x)
+{
+
+ int32_t *m = (int32_t *)malloc (8 * sizeof (int32_t));
+ int i;
+
+#pragma omp parallel for
+ /* 'm' is predetermined shared here. */
+ for (i = 0; i < 8; i++)
+ {
+ m[i] = i;
+ }
+
+#pragma omp parallel
+ {
+ /* 'a' is predetermined shared here. */
+ static int64_t n;
+ svint32_t a;
+ #pragma omp parallel
+ {
+ /* 'n' is predetermined shared here. */
+ if (x)
+ {
+ a = svld1_s32 (svptrue_b32 (), m);
+ n = svaddv_s32 (svptrue_b32 (), a);
+ }
+ if (!x && n != 28)
+ __builtin_abort ();
+ }
+ }
+}
+
+svint32_t
+__attribute__ ((noinline))
+foo (svint32_t a, svint32_t b, svbool_t p)
+{
+ a = svadd_s32_z (p, a, b);
+ a = svadd_s32_z (p, a, b);
+ return a;
+}
+
+void compare_vec (svint32_t x, svint32_t y)
+{
+ svbool_t p = svnot_b_z (svptrue_b32 (), svcmpeq_s32 (svptrue_b32 (), x, y));
+
+ if (svptest_any (svptrue_b32 (), p))
+ __builtin_abort ();
+}
+
+int
+main ()
+{
+ svint32_t x = svindex_s32 (0 ,1);
+ svint32_t y = svindex_s32 (8, 1);
+ svint32_t a, b;
+ svbool_t p;
+
+ /* Implicit shared. */
+ a = foo (x, y, p);
+ b = implicit_shared_default (x, y, p);
+ compare_vec (a, b);
+
+ /* Explicit shared. */
+ a = foo (x ,y, p);
+ b = explicit_shared (x, y, p);
+ compare_vec (a, b);
+
+ /* Implicit shared with no default clause. */
+ a = foo (x ,y, p);
+ b = implicit_shared_no_default (x, y, p);
+ compare_vec (a, b);
+
+ /* Mix shared. */
+ a = foo (x ,y, p);
+ b = mix_shared (y, p);
+ compare_vec (a, b);
+
+ /* Predetermined shared. */
+ predetermined_shared_static (true);
+ predetermined_shared_static (false);
+
+ return 0;
+}
+
+/* { dg-final { scan-tree-dump-times "value-expr: \*.omp_data_i->a" 10 "ompexp" } } */