Merge remote-tracking branch 'qatar/master'

[ffmpeg] / libavcodec / arm / mathops.h

diff --git a/libavcodec/arm/mathops.h b/libavcodec/arm/mathops.h
index 858e73d67710d22e91a3ee64aabefb3c9b53313e..d67714c496b415e207497d306602b85320cf59cb 100644 (file)
--- a/libavcodec/arm/mathops.h
+++ b/libavcodec/arm/mathops.h
@@ -2,20 +2,20 @@
  * simple math operations
  * Copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at> et al
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * 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.
  *
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -28,52 +28,16 @@
 
 #if HAVE_INLINE_ASM
 
-#   define MULL MULL
-static inline av_const int MULL(int a, int b, unsigned shift)
-{
-    int lo, hi;
-    __asm__("smull %0, %1, %2, %3     \n\t"
-            "mov   %0, %0,     lsr %4 \n\t"
-            "add   %1, %0, %1, lsl %5 \n\t"
-            : "=&r"(lo), "=&r"(hi)
-            : "r"(b), "r"(a), "ir"(shift), "ir"(32-shift));
-    return hi;
-}
-
-#define MULH MULH
 #if HAVE_ARMV6
+#define MULH MULH
 static inline av_const int MULH(int a, int b)
 {
     int r;
     __asm__ ("smmul %0, %1, %2" : "=r"(r) : "r"(a), "r"(b));
     return r;
 }
-#else
-static inline av_const int MULH(int a, int b)
-{
-    int lo, hi;
-    __asm__ ("smull %0, %1, %2, %3" : "=&r"(lo), "=&r"(hi) : "r"(b), "r"(a));
-    return hi;
-}
 #endif
 
-static inline av_const int64_t MUL64(int a, int b)
-{
-    union { uint64_t x; unsigned hl[2]; } x;
-    __asm__ ("smull %0, %1, %2, %3"
-             : "=r"(x.hl[0]), "=r"(x.hl[1]) : "r"(a), "r"(b));
-    return x.x;
-}
-#define MUL64 MUL64
-
-static inline av_const int64_t MAC64(int64_t d, int a, int b)
-{
-    union { uint64_t x; unsigned hl[2]; } x = { d };
-    __asm__ ("smlal %0, %1, %2, %3"
-             : "+r"(x.hl[0]), "+r"(x.hl[1]) : "r"(a), "r"(b));
-    return x.x;
-}
-#define MAC64(d, a, b) ((d) = MAC64(d, a, b))
 #define MLS64(d, a, b) MAC64(d, -(a), b)
 
 #if HAVE_ARMV5TE
@@ -97,14 +61,17 @@ static inline av_const int MUL16(int ra, int rb)
 static inline av_const int mid_pred(int a, int b, int c)
 {
     int m;
-    __asm__ volatile (
+    __asm__ (
         "mov   %0, %2  \n\t"
         "cmp   %1, %2  \n\t"
+        "itt   gt      \n\t"
         "movgt %0, %1  \n\t"
         "movgt %1, %2  \n\t"
         "cmp   %1, %3  \n\t"
+        "it    le      \n\t"
         "movle %1, %3  \n\t"
         "cmp   %0, %1  \n\t"
+        "it    gt      \n\t"
         "movgt %0, %1  \n\t"
         : "=&r"(m), "+r"(a)
         : "r"(b), "r"(c)