Changeset 38

Timestamp:

08/10/07 01:13:45 (4 years ago)

Author:

mike

Message:

Added a couple more optimizations

Files:

• trunk/block.c (modified) (2 diffs)

trunk/block.c

@@ -30 +30 @@
     //const __m128i onemask = _mm_set1_epi8( 0x01 );
     
-    __m128i populate = _mm_set1_epi8( 3 );
+    const __m128i populate = _mm_set1_epi8( 3 );
     __m128i top_left, top, top_right;
     __m128i left, self, right;
@@ -111 +111 @@
             __m128i _top = unpack( top, j );
             __m128i sum1 = _mm_add_epi8( _top_left, _top ); 
+
             __m128i _top_right = unpack( top_right, j );
             __m128i _right = unpack ( right, j );
             __m128i sum2 = _mm_add_epi8( _top_right, _right ); 
+            sum1 = _mm_add_epi8( sum1, sum2 );
+
             __m128i _bot = unpack( bot, j );
             __m128i _bot_right = unpack( bot_right, j );
             __m128i sum4 = _mm_add_epi8( _bot, _bot_right ); 
+
             __m128i _bot_left = unpack( bot_left, j );
             __m128i _left = unpack( left, j );
             __m128i sum3 = _mm_add_epi8( _left, _bot_left ); 
 
-
             sum3 = _mm_add_epi8( sum3, sum4 );
 
-            sum1 = _mm_add_epi8( sum1, sum2 );
 
             sum3 = _mm_add_epi8( sum1, sum3 );