1 files changed, 55 insertions, 0 deletions
diff --git a/sysdeps/aarch64/fpu/sve_utils.h b/sysdeps/aarch64/fpu/sve_utils.h
new file mode 100644
index 0000000000..5ce3d2e8d6
--- /dev/null
+++ b/sysdeps/aarch64/fpu/sve_utils.h
@@ -0,0 +1,55 @@
+/* Helpers for SVE vector math functions.
+
+   Copyright (C) 2023 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#include <arm_sve.h>
+
+#define SV_NAME_F1(fun) _ZGVsMxv_##fun##f
+#define SV_NAME_D1(fun) _ZGVsMxv_##fun
+#define SV_NAME_F2(fun) _ZGVsMxvv_##fun##f
+#define SV_NAME_D2(fun) _ZGVsMxvv_##fun
+
+static __always_inline svfloat32_t
+sv_call_f32 (float (*f) (float), svfloat32_t x, svfloat32_t y, svbool_t cmp)
+{
+  svbool_t p = svpfirst (cmp, svpfalse ());
+  while (svptest_any (cmp, p))
+    {
+      float elem = svclastb_n_f32 (p, 0, x);
+      elem = (*f) (elem);
+      svfloat32_t y2 = svdup_n_f32 (elem);
+      y = svsel_f32 (p, y2, y);
+      p = svpnext_b32 (cmp, p);
+    }
+  return y;
+}
+
+static __always_inline svfloat64_t
+sv_call_f64 (double (*f) (double), svfloat64_t x, svfloat64_t y, svbool_t cmp)
+{
+  svbool_t p = svpfirst (cmp, svpfalse ());
+  while (svptest_any (cmp, p))
+    {
+      double elem = svclastb_n_f64 (p, 0, x);
+      elem = (*f) (elem);
+      svfloat64_t y2 = svdup_n_f64 (elem);
+      y = svsel_f64 (p, y2, y);
+      p = svpnext_b64 (cmp, p);
+    }
+  return y;
+}