lf_fifo don't use union anymore, just for one ==

1 files changed, 0 insertions, 42 deletions

diff --git a/lf_fifo_cas.h b/lf_fifo_cas.h
deleted file mode 100644
index e380f8e..0000000
--- a/lf_fifo_cas.h
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * File     : lf_fifo_cas.h
- * Author   : Jérémy Zurcher  <jeremy@asynk.ch>
- * Date     : 01/11/09 
- * License  :
- *
- *  Permission is hereby granted, free of charge, to any person obtaining
- *  a copy of this software and associated documentation files (the
- *  "Software"), to deal in the Software without restriction, including
- *  without limitation the rights to use, copy, modify, merge, publish,
- *  distribute, sublicense, and/or sell copies of the Software, and to
- *  permit persons to whom the Software is furnished to do so, subject to
- *  the following conditions:
- *  
- *  The above copyright notice and this permission notice shall be
- *  included in all copies or substantial portions of the Software.
- *  
- *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
- *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
- *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-#include "lf_fifo.h"
-
-/* CMPXCHG8B m64   Compare EDX:EAX with m64. If equal, set ZF and load ECX:EBX into m64. Else, clear ZF and load m64 into EDX:EAX. */
-static inline unsigned int cas( volatile struct split *mem,
-                                volatile struct split old,
-                                volatile struct split new ) {
-    char result;
-    __asm__ __volatile__("lock; cmpxchg8b %0; setz %1;"
-            : "=m"(*mem), "=q"(result)
-            : "m"(*mem), "d" (old.count), "a" (old.next),
-            "c" (new.count), "b" (new.next)
-            : "memory");
-    return (int)result;
-}
-