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authorJanne Grunau <janne-libav@jannau.net>2011-11-29 13:38:10 +0000
committerMans Rullgard <mans@mansr.com>2011-12-02 19:59:18 +0000
commita760f530bba6d21484c611de67d072fdab56e08e (patch)
tree8a660dfc11e4ecd29c9829e635c76ce1ee108724 /libavcodec/arm/neon.S
parent150ddbc1482c65b9aac803f011d7fcd734f776ec (diff)
ARM: make some NEON macros reusable
Signed-off-by: Mans Rullgard <mans@mansr.com>
Diffstat (limited to 'libavcodec/arm/neon.S')
-rw-r--r--libavcodec/arm/neon.S59
1 files changed, 59 insertions, 0 deletions
diff --git a/libavcodec/arm/neon.S b/libavcodec/arm/neon.S
new file mode 100644
index 0000000000..716a607af7
--- /dev/null
+++ b/libavcodec/arm/neon.S
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
+ *
+ * This file is part of Libav.
+ *
+ * Libav 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.
+ *
+ * Libav 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 Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+.macro transpose_8x8 r0, r1, r2, r3, r4, r5, r6, r7
+ vtrn.32 \r0, \r4
+ vtrn.32 \r1, \r5
+ vtrn.32 \r2, \r6
+ vtrn.32 \r3, \r7
+ vtrn.16 \r0, \r2
+ vtrn.16 \r1, \r3
+ vtrn.16 \r4, \r6
+ vtrn.16 \r5, \r7
+ vtrn.8 \r0, \r1
+ vtrn.8 \r2, \r3
+ vtrn.8 \r4, \r5
+ vtrn.8 \r6, \r7
+.endm
+
+.macro transpose_4x4 r0, r1, r2, r3
+ vtrn.16 \r0, \r2
+ vtrn.16 \r1, \r3
+ vtrn.8 \r0, \r1
+ vtrn.8 \r2, \r3
+.endm
+
+.macro swap4 r0, r1, r2, r3, r4, r5, r6, r7
+ vswp \r0, \r4
+ vswp \r1, \r5
+ vswp \r2, \r6
+ vswp \r3, \r7
+.endm
+
+.macro transpose16_4x4 r0, r1, r2, r3, r4, r5, r6, r7
+ vtrn.32 \r0, \r2
+ vtrn.32 \r1, \r3
+ vtrn.32 \r4, \r6
+ vtrn.32 \r5, \r7
+ vtrn.16 \r0, \r1
+ vtrn.16 \r2, \r3
+ vtrn.16 \r4, \r5
+ vtrn.16 \r6, \r7
+.endm