neon/st3_lane: portable and native *_{s,u}{8,16,32}

Fixes #810

meson.build

@@ -150,6 +150,7 @@ simde_neon_families = [
   'st2',
   'st2_lane',
   'st3',
+  'st3_lane',
   'st4',
   'sub',
   'subl',

simde/arm/neon.h

@@ -170,6 +170,7 @@
 #include "neon/st2.h"
 #include "neon/st2_lane.h"
 #include "neon/st3.h"
+#include "neon/st3_lane.h"
 #include "neon/st4.h"
 #include "neon/sub.h"
 #include "neon/subl.h"

simde/arm/neon/st3_lane.h

@@ -0,0 +1,159 @@
+/* SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Copyright:
+ *   2021      Zhi An Ng <zhin@google.com> (Copyright owned by Google, LLC)
+ */
+
+#if !defined(SIMDE_ARM_NEON_ST3_LANE_H)
+#define SIMDE_ARM_NEON_ST3_LANE_H
+
+#include "types.h"
+
+HEDLEY_DIAGNOSTIC_PUSH
+SIMDE_DISABLE_UNWANTED_DIAGNOSTICS
+SIMDE_BEGIN_DECLS_
+
+#if !defined(SIMDE_BUG_INTEL_857088)
+
+SIMDE_FUNCTION_ATTRIBUTES
+void
+simde_vst3_lane_s8(int8_t ptr[HEDLEY_ARRAY_PARAM(3)], simde_int8x8x3_t val, const int lane)
+    SIMDE_REQUIRE_CONSTANT_RANGE(lane, 0, 7) {
+  #if defined(SIMDE_ARM_NEON_A32V7_NATIVE)
+    SIMDE_CONSTIFY_8_NO_RESULT_(vst3_lane_s8, HEDLEY_UNREACHABLE(), lane, ptr, val);
+  #else
+    simde_int8x8_private r;
+    for (size_t i = 0 ; i < 3 ; i++) {
+      r = simde_int8x8_to_private(val.val[i]);
+      ptr[i] = r.values[lane];
+    }
+  #endif
+}
+
+#if defined(SIMDE_ARM_NEON_A32V7_ENABLE_NATIVE_ALIASES)
+  #undef vst3_lane_s8
+  #define vst3_lane_s8(a, b, c) simde_vst3_lane_s8((a), (b), (c))
+#endif
+
+SIMDE_FUNCTION_ATTRIBUTES
+void
+simde_vst3_lane_s16(int16_t ptr[HEDLEY_ARRAY_PARAM(3)], simde_int16x4x3_t val, const int lane)
+    SIMDE_REQUIRE_CONSTANT_RANGE(lane, 0, 3) {
+  #if defined(SIMDE_ARM_NEON_A32V7_NATIVE)
+    SIMDE_CONSTIFY_4_NO_RESULT_(vst3_lane_s16, HEDLEY_UNREACHABLE(), lane, ptr, val);
+  #else
+    simde_int16x4_private r;
+    for (size_t i = 0 ; i < 3 ; i++) {
+      r = simde_int16x4_to_private(val.val[i]);
+      ptr[i] = r.values[lane];
+    }
+  #endif
+}
+#if defined(SIMDE_ARM_NEON_A32V7_ENABLE_NATIVE_ALIASES)
+  #undef vst3_lane_s16
+  #define vst3_lane_s16(a, b, c) simde_vst3_lane_s16((a), (b), (c))
+#endif
+
+SIMDE_FUNCTION_ATTRIBUTES
+void
+simde_vst3_lane_s32(int32_t ptr[HEDLEY_ARRAY_PARAM(3)], simde_int32x2x3_t val, const int lane)
+    SIMDE_REQUIRE_CONSTANT_RANGE(lane, 0, 1) {
+  #if defined(SIMDE_ARM_NEON_A32V7_NATIVE)
+    SIMDE_CONSTIFY_2_NO_RESULT_(vst3_lane_s32, HEDLEY_UNREACHABLE(), lane, ptr, val);
+  #else
+    simde_int32x2_private r;
+    for (size_t i = 0 ; i < 3 ; i++) {
+      r = simde_int32x2_to_private(val.val[i]);
+      ptr[i] = r.values[lane];
+    }
+  #endif
+}
+#if defined(SIMDE_ARM_NEON_A32V7_ENABLE_NATIVE_ALIASES)
+  #undef vst3_lane_s32
+  #define vst3_lane_s32(a, b, c) simde_vst3_lane_s32((a), (b), (c))
+#endif
+
+SIMDE_FUNCTION_ATTRIBUTES
+void
+simde_vst3_lane_u8(uint8_t ptr[HEDLEY_ARRAY_PARAM(3)], simde_uint8x8x3_t val, const int lane)
+    SIMDE_REQUIRE_CONSTANT_RANGE(lane, 0, 7) {
+  #if defined(SIMDE_ARM_NEON_A32V7_NATIVE)
+    SIMDE_CONSTIFY_8_NO_RESULT_(vst3_lane_u8, HEDLEY_UNREACHABLE(), lane, ptr, val);
+  #else
+    simde_uint8x8_private r;
+    for (size_t i = 0 ; i < 3 ; i++) {
+      r = simde_uint8x8_to_private(val.val[i]);
+      ptr[i] = r.values[lane];
+    }
+  #endif
+}
+#if defined(SIMDE_ARM_NEON_A32V7_ENABLE_NATIVE_ALIASES)
+  #undef vst3_lane_u8
+  #define vst3_lane_u8(a, b, c) simde_vst3_lane_u8((a), (b), (c))
+#endif
+
+SIMDE_FUNCTION_ATTRIBUTES
+void
+simde_vst3_lane_u16(uint16_t ptr[HEDLEY_ARRAY_PARAM(3)], simde_uint16x4x3_t val, const int lane)
+    SIMDE_REQUIRE_CONSTANT_RANGE(lane, 0, 3) {
+  #if defined(SIMDE_ARM_NEON_A32V7_NATIVE)
+    SIMDE_CONSTIFY_4_NO_RESULT_(vst3_lane_u16, HEDLEY_UNREACHABLE(), lane, ptr, val);
+  #else
+    simde_uint16x4_private r;
+    for (size_t i = 0 ; i < 3 ; i++) {
+      r = simde_uint16x4_to_private(val.val[i]);
+      ptr[i] = r.values[lane];
+    }
+  #endif
+}
+#if defined(SIMDE_ARM_NEON_A32V7_ENABLE_NATIVE_ALIASES)
+  #undef vst3_lane_u16
+  #define vst3_lane_u16(a, b, c) simde_vst3_lane_u16((a), (b), (c))
+#endif
+
+SIMDE_FUNCTION_ATTRIBUTES
+void
+simde_vst3_lane_u32(uint32_t ptr[HEDLEY_ARRAY_PARAM(3)], simde_uint32x2x3_t val, const int lane)
+    SIMDE_REQUIRE_CONSTANT_RANGE(lane, 0, 1) {
+  #if defined(SIMDE_ARM_NEON_A32V7_NATIVE)
+    SIMDE_CONSTIFY_2_NO_RESULT_(vst3_lane_u32, HEDLEY_UNREACHABLE(), lane, ptr, val);
+  #else
+    simde_uint32x2_private r;
+    for (size_t i = 0 ; i < 3 ; i++) {
+      r = simde_uint32x2_to_private(val.val[i]);
+      ptr[i] = r.values[lane];
+    }
+  #endif
+}
+#if defined(SIMDE_ARM_NEON_A32V7_ENABLE_NATIVE_ALIASES)
+  #undef vst3_lane_u32
+  #define vst3_lane_u32(a, b, c) simde_vst3_lane_u32((a), (b), (c))
+#endif
+
+#endif /* !defined(SIMDE_BUG_INTEL_857088) */
+
+SIMDE_END_DECLS_
+HEDLEY_DIAGNOSTIC_POP
+
+#endif /* !defined(SIMDE_ARM_NEON_ST3_LANE_H) */
+

test/arm/neon/declare-suites.h

@@ -129,6 +129,7 @@ SIMDE_TEST_DECLARE_SUITE(st1_lane)
 SIMDE_TEST_DECLARE_SUITE(st2)
 SIMDE_TEST_DECLARE_SUITE(st2_lane)
 SIMDE_TEST_DECLARE_SUITE(st3)
+SIMDE_TEST_DECLARE_SUITE(st3_lane)
 SIMDE_TEST_DECLARE_SUITE(st4)
 SIMDE_TEST_DECLARE_SUITE(shl)
 SIMDE_TEST_DECLARE_SUITE(shl_n)