1 files changed, 61 insertions, 0 deletions
diff --git a/pl/math/sv_sincos_3u5.c b/pl/math/sv_sincos_3u5.c
new file mode 100644
index 000000000000..f73550082d5b
--- /dev/null
+++ b/pl/math/sv_sincos_3u5.c
@@ -0,0 +1,61 @@
+/*
+ * Double-precision vector sincos function.
+ *
+ * Copyright (c) 2023, Arm Limited.
+ * SPDX-License-Identifier: MIT OR Apache-2.0 WITH LLVM-exception
+ */
+
+/* Define _GNU_SOURCE in order to include sincos declaration. If building
+   pre-GLIBC 2.1, or on a non-GNU conforming system, this routine will need to
+   be linked against the scalar sincosf from math/.  */
+#define _GNU_SOURCE
+#include <math.h>
+#undef _GNU_SOURCE
+
+#include "sv_sincos_common.h"
+#include "sv_math.h"
+#include "pl_test.h"
+
+static void NOINLINE
+special_case (svfloat64_t x, svbool_t special, double *out_sin,
+	      double *out_cos)
+{
+  svbool_t p = svptrue_pat_b64 (SV_VL1);
+  for (int i = 0; i < svcntd (); i++)
+    {
+      if (svptest_any (special, p))
+	sincos (svlastb (p, x), out_sin + i, out_cos + i);
+      p = svpnext_b64 (svptrue_b64 (), p);
+    }
+}
+
+/* Double-precision vector function allowing calculation of both sin and cos in
+   one function call, using shared argument reduction and separate polynomials.
+   Largest observed error is for sin, 3.22 ULP:
+   sv_sincos_sin (0x1.d70eef40f39b1p+12) got -0x1.ffe9537d5dbb7p-3
+					want -0x1.ffe9537d5dbb4p-3.  */
+void
+_ZGVsMxvl8l8_sincos (svfloat64_t x, double *out_sin, double *out_cos,
+		     svbool_t pg)
+{
+  const struct sv_sincos_data *d = ptr_barrier (&sv_sincos_data);
+  svbool_t special = check_ge_rangeval (pg, x, d);
+
+  svfloat64x2_t sc = sv_sincos_inline (pg, x, d);
+
+  svst1 (pg, out_sin, svget2 (sc, 0));
+  svst1 (pg, out_cos, svget2 (sc, 1));
+
+  if (unlikely (svptest_any (pg, special)))
+    special_case (x, special, out_sin, out_cos);
+}
+
+PL_TEST_ULP (_ZGVsMxv_sincos_sin, 2.73)
+PL_TEST_ULP (_ZGVsMxv_sincos_cos, 2.73)
+#define SV_SINCOS_INTERVAL(lo, hi, n)                                         \
+  PL_TEST_INTERVAL (_ZGVsMxv_sincos_sin, lo, hi, n)                           \
+  PL_TEST_INTERVAL (_ZGVsMxv_sincos_cos, lo, hi, n)
+SV_SINCOS_INTERVAL (0, 0x1p23, 500000)
+SV_SINCOS_INTERVAL (-0, -0x1p23, 500000)
+SV_SINCOS_INTERVAL (0x1p23, inf, 10000)
+SV_SINCOS_INTERVAL (-0x1p23, -inf, 10000)