1 files changed, 74 insertions, 0 deletions
diff --git a/math/aarch64/sve/sincosf.c b/math/aarch64/sve/sincosf.c
new file mode 100644
index 000000000000..f3e956ee62e2
--- /dev/null
+++ b/math/aarch64/sve/sincosf.c
@@ -0,0 +1,74 @@
+/*
+ * Single-precision vector sincos function.
+ *
+ * Copyright (c) 2023-2024, Arm Limited.
+ * SPDX-License-Identifier: MIT OR Apache-2.0 WITH LLVM-exception
+ */
+
+/* Define _GNU_SOURCE in order to include sincosf 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 "sv_math.h"
+#include "sv_sincosf_common.h"
+#include "test_defs.h"
+
+#include <math.h>
+
+/* sincos not available for all scalar libm implementations.  */
+#ifndef __GLIBC__
+static void
+sincosf (float x, float *out_sin, float *out_cos)
+{
+  *out_sin = sinf (x);
+  *out_cos = cosf (x);
+}
+#endif
+
+static void NOINLINE
+special_case (svfloat32_t x, svbool_t special, float *out_sin, float *out_cos)
+{
+  svbool_t p = svptrue_pat_b32 (SV_VL1);
+  for (int i = 0; i < svcntw (); i++)
+    {
+      if (svptest_any (special, p))
+	sincosf (svlastb (p, x), out_sin + i, out_cos + i);
+      p = svpnext_b32 (svptrue_b32 (), p);
+    }
+}
+
+/* Single-precision vector function allowing calculation of both sin and cos in
+   one function call, using shared argument reduction and separate low-order
+   polynomials.
+   Worst-case error for sin is 1.67 ULP:
+   sv_sincosf_sin(0x1.c704c4p+19) got 0x1.fff698p-5 want 0x1.fff69cp-5
+   Worst-case error for cos is 1.81 ULP:
+   sv_sincosf_cos(0x1.e506fp+19) got -0x1.ffec6ep-6 want -0x1.ffec72p-6.  */
+void
+_ZGVsMxvl4l4_sincosf (svfloat32_t x, float *out_sin, float *out_cos,
+		      svbool_t pg)
+{
+  const struct sv_sincosf_data *d = ptr_barrier (&sv_sincosf_data);
+  svbool_t special = check_ge_rangeval (pg, x, d);
+
+  svfloat32x2_t sc = sv_sincosf_inline (pg, x, d);
+
+  svst1_f32 (pg, out_sin, svget2 (sc, 0));
+  svst1_f32 (pg, out_cos, svget2 (sc, 1));
+
+  if (unlikely (svptest_any (pg, special)))
+    special_case (x, special, out_sin, out_cos);
+}
+
+TEST_DISABLE_FENV (_ZGVsMxv_sincosf_sin)
+TEST_DISABLE_FENV (_ZGVsMxv_sincosf_cos)
+TEST_ULP (_ZGVsMxv_sincosf_sin, 1.17)
+TEST_ULP (_ZGVsMxv_sincosf_cos, 1.31)
+#define SV_SINCOSF_INTERVAL(lo, hi, n)                                        \
+  TEST_SYM_INTERVAL (_ZGVsMxv_sincosf_sin, lo, hi, n)                         \
+  TEST_SYM_INTERVAL (_ZGVsMxv_sincosf_cos, lo, hi, n)
+SV_SINCOSF_INTERVAL (0, 0x1p-31, 50000)
+SV_SINCOSF_INTERVAL (0x1p-31, 0x1p20, 500000)
+SV_SINCOSF_INTERVAL (0x1p20, inf, 10000)
+CLOSE_SVE_ATTR