x86: sbrdsp: Implement SSE neg_odd_64

[ffmpeg] / libavcodec / x86 / mathops.h

diff --git a/libavcodec/x86/mathops.h b/libavcodec/x86/mathops.h
index b18302744cfe885929148a5233966f39f53e68f3..cd408ac5a62e2723d1e8b6510eef3ec5a9609294 100644 (file)
--- a/libavcodec/x86/mathops.h
+++ b/libavcodec/x86/mathops.h
@@ -2,20 +2,20 @@
  * simple math operations
  * 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
  */
 
@@ -25,6 +25,8 @@
 #include "config.h"
 #include "libavutil/common.h"
 
+#if HAVE_INLINE_ASM
+
 #if ARCH_X86_32
 
 #define MULL MULL
@@ -35,7 +37,7 @@ static av_always_inline av_const int MULL(int a, int b, unsigned shift)
         "imull %3               \n\t"
         "shrdl %4, %%edx, %%eax \n\t"
         :"=a"(rt), "=d"(dummy)
-        :"a"(a), "rm"(b), "i"(shift)
+        :"a"(a), "rm"(b), "ci"((uint8_t)shift)
     );
     return rt;
 }
@@ -99,6 +101,12 @@ __asm__ volatile(\
 );
 #endif
 
+#define MASK_ABS(mask, level)                   \
+    __asm__ ("cltd                   \n\t"      \
+             "xorl %1, %0            \n\t"      \
+             "subl %1, %0            \n\t"      \
+             : "+a"(level), "=&d"(mask))
+
 // avoid +32 for shift optimization (gcc should do that ...)
 #define NEG_SSR32 NEG_SSR32
 static inline  int32_t NEG_SSR32( int32_t a, int8_t s){
@@ -118,4 +126,5 @@ static inline uint32_t NEG_USR32(uint32_t a, int8_t s){
     return a;
 }
 
+#endif /* HAVE_INLINE_ASM */
 #endif /* AVCODEC_X86_MATHOPS_H */