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authorMåns Rullgård <mans@mansr.com>2010-02-19 03:20:01 +0000
committerMåns Rullgård <mans@mansr.com>2010-02-19 03:20:01 +0000
commit95c0d02ddc35fffd302b3043add09c3786fd792c (patch)
tree1232af451da38462e57ed106aaf978d4d9cb2eb3
parentf4ce853125d48b6c195748f1612acbb764c94f64 (diff)
downloadffmpeg-95c0d02ddc35fffd302b3043add09c3786fd792c.tar.gz
TOMI: 16- and 32-bit intreadwrite functions
Originally committed as revision 21890 to svn://svn.ffmpeg.org/ffmpeg/trunk
-rw-r--r--libavutil/intreadwrite.h2
-rw-r--r--libavutil/tomi/intreadwrite.h148
2 files changed, 150 insertions, 0 deletions
diff --git a/libavutil/intreadwrite.h b/libavutil/intreadwrite.h
index b1e4e9a9a1..9d029a8369 100644
--- a/libavutil/intreadwrite.h
+++ b/libavutil/intreadwrite.h
@@ -60,6 +60,8 @@ typedef union {
# include "mips/intreadwrite.h"
#elif ARCH_PPC
# include "ppc/intreadwrite.h"
+#elif ARCH_TOMI
+# include "tomi/intreadwrite.h"
#elif ARCH_X86
# include "x86/intreadwrite.h"
#endif
diff --git a/libavutil/tomi/intreadwrite.h b/libavutil/tomi/intreadwrite.h
new file mode 100644
index 0000000000..778b804ca1
--- /dev/null
+++ b/libavutil/tomi/intreadwrite.h
@@ -0,0 +1,148 @@
+/*
+ * Copyright (c) 2010 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
+ */
+
+#ifndef AVUTIL_TOMI_INTREADWRITE_H
+#define AVUTIL_TOMI_INTREADWRITE_H
+
+#include <stdint.h>
+#include "config.h"
+
+#define AV_RB16 AV_RB16
+static av_always_inline uint16_t AV_RB16(const void *p)
+{
+ uint16_t v;
+ __asm__ ("loadacc, (%1+) \n\t"
+ "rol8 \n\t"
+ "storeacc, %0 \n\t"
+ "loadacc, (%1+) \n\t"
+ "add, %0 \n\t"
+ : "=r"(v), "+a"(p));
+ return v;
+}
+
+#define AV_WB16 AV_WB16
+static av_always_inline void AV_WB16(void *p, uint16_t v)
+{
+ __asm__ volatile ("loadacc, %1 \n\t"
+ "lsr8 \n\t"
+ "storeacc, (%0+) \n\t"
+ "loadacc, %1 \n\t"
+ "storeacc, (%0+) \n\t"
+ : "+&a"(p) : "r"(v));
+}
+
+#define AV_RL16 AV_RL16
+static av_always_inline uint16_t AV_RL16(const void *p)
+{
+ uint16_t v;
+ __asm__ ("loadacc, (%1+) \n\t"
+ "storeacc, %0 \n\t"
+ "loadacc, (%1+) \n\t"
+ "rol8 \n\t"
+ "add, %0 \n\t"
+ : "=r"(v), "+a"(p));
+ return v;
+}
+
+#define AV_WL16 AV_WL16
+static av_always_inline void AV_WL16(void *p, uint16_t v)
+{
+ __asm__ volatile ("loadacc, %1 \n\t"
+ "storeacc, (%0+) \n\t"
+ "lsr8 \n\t"
+ "storeacc, (%0+) \n\t"
+ : "+&a"(p) : "r"(v));
+}
+
+#define AV_RB32 AV_RB32
+static av_always_inline uint32_t AV_RB32(const void *p)
+{
+ uint32_t v;
+ __asm__ ("loadacc, (%1+) \n\t"
+ "rol8 \n\t"
+ "rol8 \n\t"
+ "rol8 \n\t"
+ "storeacc, %0 \n\t"
+ "loadacc, (%1+) \n\t"
+ "rol8 \n\t"
+ "rol8 \n\t"
+ "add, %0 \n\t"
+ "loadacc, (%1+) \n\t"
+ "rol8 \n\t"
+ "add, %0 \n\t"
+ "loadacc, (%1+) \n\t"
+ "add, %0 \n\t"
+ : "=r"(v), "+a"(p));
+ return v;
+}
+
+#define AV_WB32 AV_WB32
+static av_always_inline void AV_WB32(void *p, uint32_t v)
+{
+ __asm__ volatile ("loadacc, #4 \n\t"
+ "add, %0 \n\t"
+ "loadacc, %1 \n\t"
+ "storeacc, (-%0) \n\t"
+ "lsr8 \n\t"
+ "storeacc, (-%0) \n\t"
+ "lsr8 \n\t"
+ "storeacc, (-%0) \n\t"
+ "lsr8 \n\t"
+ "storeacc, (-%0) \n\t"
+ : "+&a"(p) : "r"(v));
+}
+
+#define AV_RL32 AV_RL32
+static av_always_inline uint32_t AV_RL32(const void *p)
+{
+ uint32_t v;
+ __asm__ ("loadacc, (%1+) \n\t"
+ "storeacc, %0 \n\t"
+ "loadacc, (%1+) \n\t"
+ "rol8 \n\t"
+ "add, %0 \n\t"
+ "loadacc, (%1+) \n\t"
+ "rol8 \n\t"
+ "rol8 \n\t"
+ "add, %0 \n\t"
+ "loadacc, (%1+) \n\t"
+ "rol8 \n\t"
+ "rol8 \n\t"
+ "rol8 \n\t"
+ "add, %0 \n\t"
+ : "=r"(v), "+a"(p));
+ return v;
+}
+
+#define AV_WL32 AV_WL32
+static av_always_inline void AV_WL32(void *p, uint32_t v)
+{
+ __asm__ volatile ("loadacc, %1 \n\t"
+ "storeacc, (%0+) \n\t"
+ "lsr8 \n\t"
+ "storeacc, (%0+) \n\t"
+ "lsr8 \n\t"
+ "storeacc, (%0+) \n\t"
+ "lsr8 \n\t"
+ "storeacc, (%0+) \n\t"
+ : "+&a"(p) : "r"(v));
+}
+
+#endif /* AVUTIL_TOMI_INTREADWRITE_H */