/*
* simple math operations
- * Copyright (c) 2001, 2002 Fabrice Bellard.
+ * Copyright (c) 2001, 2002 Fabrice Bellard
* Copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at> et al
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * 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.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * 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 FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#ifndef FFMPEG_PPC_MATHOPS_H
-#define FFMPEG_PPC_MATHOPS_H
+#ifndef AVCODEC_PPC_MATHOPS_H
+#define AVCODEC_PPC_MATHOPS_H
-#if defined(ARCH_POWERPC_405)
+#include <stdint.h>
+#include "config.h"
+#include "libavutil/common.h"
+
+#if HAVE_PPC4XX
/* signed 16x16 -> 32 multiply add accumulate */
-# define MAC16(rt, ra, rb) \
- asm ("maclhw %0, %2, %3" : "=r" (rt) : "0" (rt), "r" (ra), "r" (rb));
+#define MAC16(rt, ra, rb) \
+ __asm__ ("maclhw %0, %2, %3" : "=r" (rt) : "0" (rt), "r" (ra), "r" (rb));
/* signed 16x16 -> 32 multiply */
-# define MUL16(ra, rb) \
- ({ int __rt; \
- asm ("mullhw %0, %1, %2" : "=r" (__rt) : "r" (ra), "r" (rb)); \
- __rt; })
+#define MUL16(ra, rb) \
+ ({ int __rt; \
+ __asm__ ("mullhw %0, %1, %2" : "=r" (__rt) : "r" (ra), "r" (rb)); \
+ __rt; })
+#endif
+
+#define MULH MULH
+static inline av_const int MULH(int a, int b){
+ int r;
+ __asm__ ("mulhw %0, %1, %2" : "=r"(r) : "r"(a), "r"(b));
+ return r;
+}
+
+#if !ARCH_PPC64
+static inline av_const int64_t MAC64(int64_t d, int a, int b)
+{
+ union { uint64_t x; unsigned hl[2]; } x = { d };
+ int h, l;
+ __asm__ ("mullw %3, %4, %5 \n\t"
+ "mulhw %2, %4, %5 \n\t"
+ "addc %1, %1, %3 \n\t"
+ "adde %0, %0, %2 \n\t"
+ : "+r"(x.hl[0]), "+r"(x.hl[1]), "=&r"(h), "=&r"(l)
+ : "r"(a), "r"(b));
+ return x.x;
+}
+#define MAC64(d, a, b) ((d) = MAC64(d, a, b))
+
+static inline av_const int64_t MLS64(int64_t d, int a, int b)
+{
+ union { uint64_t x; unsigned hl[2]; } x = { d };
+ int h, l;
+ __asm__ ("mullw %3, %4, %5 \n\t"
+ "mulhw %2, %4, %5 \n\t"
+ "subfc %1, %3, %1 \n\t"
+ "subfe %0, %2, %0 \n\t"
+ : "+r"(x.hl[0]), "+r"(x.hl[1]), "=&r"(h), "=&r"(l)
+ : "r"(a), "r"(b));
+ return x.x;
+}
+#define MLS64(d, a, b) ((d) = MLS64(d, a, b))
#endif
-#endif /* FFMPEG_PPC_MATHOPS_H */
+#endif /* AVCODEC_PPC_MATHOPS_H */