Add MMX SIMD implementation of computationally intensive routines.

git-svn-id: svn://svn.code.sf.net/p/libjpeg-turbo/code/trunk@17 632fc199-4ca6-4c93-a231-07263d6284db

1 files changed, 4 insertions, 0 deletions

diff --git a/jmorecfg.h b/jmorecfg.h
index 69d4fe0..18670ec 100644
--- a/jmorecfg.h
+++ b/jmorecfg.h
@@ -325,7 +325,11 @@ typedef int boolean;
  */
 
 #ifndef MULTIPLIER
+#ifndef WITH_SIMD
 #define MULTIPLIER  int		/* type for fastest integer multiply */
+#else
+#define MULTIPLIER short  /* prefer 16-bit with SIMD for parellelism */
+#endif
 #endif