Issue 2311: improved "Decoding..." progress bar

rtengine/opthelper.h

@@ -0,0 +1,63 @@
+////////////////////////////////////////////////////////////////
+//
+//  opthelper.h includes some #defines which help to make optimizations easier and better readable
+// 
+//	copyright (c) 2013  Ingo Weyrich
+//
+//	this is free software: you can redistribute it and/or modify
+//	it under the terms of the GNU General Public License as published by
+//	the Free Software Foundation, either version 3 of the License, or
+//	(at your option) any later version.
+//
+//	This program 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 General Public License for more details.
+//
+//	You should have received a copy of the GNU General Public License
+//	along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+////////////////////////////////////////////////////////////////
+
+#ifndef OPTHELPER_H
+	#define	OPTHELPER_H
+
+	#ifdef __SSE2__
+		#include "sleefsseavx.c"
+		#ifdef __GNUC__
+			#ifdef WIN32
+				// needed for actual versions of GCC with 32-Bit Windows
+				#define SSEFUNCTION __attribute__((force_align_arg_pointer))
+			#else
+				#define SSEFUNCTION
+			#endif
+		#else
+			#define SSEFUNCTION
+		#endif
+	#else
+		#ifdef __SSE__
+			#ifdef __GNUC__
+				#ifdef WIN32
+					// needed for actual versions of GCC with 32-Bit Windows
+					#define SSEFUNCTION __attribute__((force_align_arg_pointer))
+				#else
+					#define SSEFUNCTION
+				#endif
+			#else
+				#define SSEFUNCTION
+			#endif
+		#else
+			#define SSEFUNCTION
+		#endif
+	#endif
+
+	#ifdef __GNUC__
+		#define RESTRICT 	__restrict__
+		#define LIKELY(x)   __builtin_expect (!!(x), 1)
+		#define UNLIKELY(x) __builtin_expect (!!(x), 0)
+	#else
+		#define RESTRICT
+		#define LIKELY(x)    (x)
+		#define UNLIKELY(x)  (x)
+	#endif
+#endif