x264 source for verification 2026-05-22

common/aarch64/pixel-a-common.S

@@ -0,0 +1,44 @@
+/****************************************************************************
+ * pixel-a-common.S: aarch64 pixel metrics
+ *****************************************************************************
+ * Copyright (C) 2009-2025 x264 project
+ *
+ * Authors: David Conrad <lessen42@gmail.com>
+ *          Janne Grunau <janne-x264@jannau.net>
+ *          David Chen   <david.chen@myais.com.cn>
+ *
+ * This program 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111, USA.
+ *
+ * This program is also available under a commercial proprietary license.
+ * For more information, contact us at licensing@x264.com.
+ *****************************************************************************/
+
+// This file contains the NEON macros and constants that are intended to be used by
+// the SVE/SVE2 functions as well
+
+const mask_ac_4_8
+.short 0, -1, -1, -1,  0, -1, -1, -1
+.short 0, -1, -1, -1, -1, -1, -1, -1
+endconst
+
+.macro SUMSUB_ABCD s1, d1, s2, d2, a, b, c, d
+    SUMSUB_AB   \s1, \d1, \a, \b
+    SUMSUB_AB   \s2, \d2, \c, \d
+.endm
+
+.macro HADAMARD4_V r1, r2, r3, r4, t1, t2, t3, t4
+    SUMSUB_ABCD \t1, \t2, \t3, \t4, \r1, \r2, \r3, \r4
+    SUMSUB_ABCD \r1, \r3, \r2, \r4, \t1, \t3, \t2, \t4
+.endm