ape: arm neon optimizations

1 files changed, 84 insertions, 0 deletions

diff --git a/plugins/ffap/asm.S b/plugins/ffap/asm.S
new file mode 100644
index 00000000..e0507834
--- /dev/null
+++ b/plugins/ffap/asm.S
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "config.h"
+
+#ifdef __ELF__
+#   define ELF
+#else
+#   define ELF @
+#endif
+
+.macro  require8 val=1
+ELF     .eabi_attribute 24, \val
+.endm
+
+.macro  preserve8 val=1
+ELF     .eabi_attribute 25, \val
+.endm
+
+.macro  function name, export=0
+    .macro endfunc
+ELF     .size   \name, . - \name
+        .endfunc
+        .purgem endfunc
+    .endm
+        .text
+    .if \export
+        .global EXTERN_ASM\name
+EXTERN_ASM\name:
+    .endif
+ELF     .type   \name, %function
+        .func   \name
+\name:
+.endm
+
+.macro  mov32   rd, val
+#if HAVE_ARMV6T2
+        movw            \rd, #(\val) & 0xffff
+    .if (\val) >> 16
+        movt            \rd, #(\val) >> 16
+    .endif
+#else
+        ldr             \rd, =\val
+#endif
+.endm
+
+.macro  movrel rd, val
+#if HAVE_ARMV6T2 && !CONFIG_PIC && !defined(__APPLE__)
+        movw            \rd, #:lower16:\val
+        movt            \rd, #:upper16:\val
+#else
+        ldr             \rd, =\val
+#endif
+.endm
+
+#if HAVE_VFP_ARGS
+        .eabi_attribute 28, 1
+#   define VFP
+#   define NOVFP @
+#else
+#   define VFP   @
+#   define NOVFP
+#endif
+
+#define GLUE(a, b) a ## b
+#define JOIN(a, b) GLUE(a, b)
+#define X(s) JOIN(EXTERN_ASM, s)