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-rwxr-xr-xconfigure17
-rw-r--r--libavutil/aarch64/Makefile1
-rw-r--r--libavutil/aarch64/asm.S63
-rw-r--r--libavutil/aarch64/cpu.c27
-rw-r--r--libavutil/aarch64/cpu.h29
-rw-r--r--libavutil/cpu.c19
-rw-r--r--libavutil/cpu_internal.h1
7 files changed, 150 insertions, 7 deletions
diff --git a/configure b/configure
index 725b63a1f2..47b97a8a08 100755
--- a/configure
+++ b/configure
@@ -1543,8 +1543,8 @@ CMDLINE_APPEND="
armv5te_deps="arm"
armv6_deps="arm"
armv6t2_deps="arm"
-neon_deps="arm"
-vfp_deps="arm"
+neon_deps_any="aarch64 arm"
+vfp_deps_any="aarch64 arm"
vfpv3_deps="vfp"
map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
@@ -3596,7 +3596,14 @@ od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
check_inline_asm inline_asm_labels '"1:\n"'
-if enabled alpha; then
+if enabled aarch64; then
+ # internal assembler in clang 3.3 does not support this instruction
+ enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
+ enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
+
+ map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
+
+elif enabled alpha; then
check_cflags -mieee
@@ -4250,6 +4257,10 @@ if enabled x86; then
echo "EBX available ${ebx_available-no}"
echo "EBP available ${ebp_available-no}"
fi
+if enabled aarch64; then
+ echo "NEON enabled ${neon-no}"
+ echo "VFP enabled ${vfp-no}"
+fi
if enabled arm; then
echo "ARMv5TE enabled ${armv5te-no}"
echo "ARMv6 enabled ${armv6-no}"
diff --git a/libavutil/aarch64/Makefile b/libavutil/aarch64/Makefile
new file mode 100644
index 0000000000..13d26a1520
--- /dev/null
+++ b/libavutil/aarch64/Makefile
@@ -0,0 +1 @@
+OBJS += aarch64/cpu.o
diff --git a/libavutil/aarch64/asm.S b/libavutil/aarch64/asm.S
new file mode 100644
index 0000000000..94e5a84583
--- /dev/null
+++ b/libavutil/aarch64/asm.S
@@ -0,0 +1,63 @@
+/*
+ * 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
+ */
+
+#include "config.h"
+
+#ifdef __ELF__
+# define ELF
+#else
+# define ELF //
+#endif
+
+.macro function name, export=0, align=2
+ .macro endfunc
+ELF .size \name, . - \name
+ .endfunc
+ .purgem endfunc
+ .endm
+ .text
+ .align \align
+ .if \export
+ .global EXTERN_ASM\name
+EXTERN_ASM\name:
+ .endif
+ELF .type \name, %function
+ .func \name
+\name:
+.endm
+
+.macro const name, align=2
+ .macro endconst
+ELF .size \name, . - \name
+ .purgem endconst
+ .endm
+ .section .rodata
+ .align \align
+\name:
+.endm
+
+.macro movrel rd, val
+#if CONFIG_PIC
+ adrp \rd, #:pg_hi21:\val
+ add \rd, \rd, #:lo12:\val
+#else
+ ldr \rd, =\val
+#endif
+.endm
diff --git a/libavutil/aarch64/cpu.c b/libavutil/aarch64/cpu.c
new file mode 100644
index 0000000000..2cc2ccd9ef
--- /dev/null
+++ b/libavutil/aarch64/cpu.c
@@ -0,0 +1,27 @@
+/*
+ * 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
+ */
+
+#include "libavutil/cpu.h"
+#include "libavutil/cpu_internal.h"
+#include "config.h"
+
+int ff_get_cpu_flags_aarch64(void)
+{
+ return AV_CPU_FLAG_NEON * HAVE_NEON |
+ AV_CPU_FLAG_VFP * HAVE_VFP;
+}
diff --git a/libavutil/aarch64/cpu.h b/libavutil/aarch64/cpu.h
new file mode 100644
index 0000000000..704df48b85
--- /dev/null
+++ b/libavutil/aarch64/cpu.h
@@ -0,0 +1,29 @@
+/*
+ * 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
+ */
+
+#ifndef AVUTIL_AARCH64_CPU_H
+#define AVUTIL_AARCH64_CPU_H
+
+#include "config.h"
+#include "libavutil/cpu.h"
+#include "libavutil/cpu_internal.h"
+
+#define have_neon(flags) CPUEXT(flags, NEON)
+#define have_vfp(flags) CPUEXT(flags, VFP)
+
+#endif /* AVUTIL_AARCH64_CPU_H */
diff --git a/libavutil/cpu.c b/libavutil/cpu.c
index 25af4c5580..8c2cfb87cc 100644
--- a/libavutil/cpu.c
+++ b/libavutil/cpu.c
@@ -51,9 +51,14 @@ int av_get_cpu_flags(void)
if (checked)
return flags;
- if (ARCH_ARM) flags = ff_get_cpu_flags_arm();
- if (ARCH_PPC) flags = ff_get_cpu_flags_ppc();
- if (ARCH_X86) flags = ff_get_cpu_flags_x86();
+ if (ARCH_AARCH64)
+ flags = ff_get_cpu_flags_aarch64();
+ if (ARCH_ARM)
+ flags = ff_get_cpu_flags_arm();
+ if (ARCH_PPC)
+ flags = ff_get_cpu_flags_ppc();
+ if (ARCH_X86)
+ flags = ff_get_cpu_flags_x86();
flags &= cpuflags_mask;
checked = 1;
@@ -114,6 +119,9 @@ int av_parse_cpu_flags(const char *s)
{ "vfp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_VFP }, .unit = "flags" },
{ "vfpv3", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_VFPV3 }, .unit = "flags" },
{ "neon", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_NEON }, .unit = "flags" },
+#elif ARCH_AARCH64
+ { "neon", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_NEON }, .unit = "flags" },
+ { "vfp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_VFP }, .unit = "flags" },
#endif
{ NULL },
};
@@ -170,7 +178,10 @@ static const struct {
int flag;
const char *name;
} cpu_flag_tab[] = {
-#if ARCH_ARM
+#if ARCH_AARCH64
+ { AV_CPU_FLAG_NEON, "neon" },
+ { AV_CPU_FLAG_VFP, "vfp" },
+#elif ARCH_ARM
{ AV_CPU_FLAG_ARMV5TE, "armv5te" },
{ AV_CPU_FLAG_ARMV6, "armv6" },
{ AV_CPU_FLAG_ARMV6T2, "armv6t2" },
diff --git a/libavutil/cpu_internal.h b/libavutil/cpu_internal.h
index 08f6e858db..3bfe8a82d8 100644
--- a/libavutil/cpu_internal.h
+++ b/libavutil/cpu_internal.h
@@ -26,6 +26,7 @@
#define CPUEXT(flags, cpuext) CPUEXT_SUFFIX(flags, , cpuext)
+int ff_get_cpu_flags_aarch64(void);
int ff_get_cpu_flags_arm(void);
int ff_get_cpu_flags_ppc(void);
int ff_get_cpu_flags_x86(void);