gcc isn't smart enough to factor out duplicate stores

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@10611 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

diff --git a/libavcodec/flacenc.c b/libavcodec/flacenc.c
index b2b3c84e69009489cc004d42afa6a6b7dde8c202..e997bca129e5ef7bbaa96f4a5e66dbb869630637 100644 (file)
--- a/libavcodec/flacenc.c
+++ b/libavcodec/flacenc.c
@@ -499,10 +499,11 @@ static void calc_sums(int pmin, int pmax, uint32_t *data, int n, int pred_order,
     res = &data[pred_order];
     res_end = &data[n >> pmax];
     for(i=0; i<parts; i++) {
-        sums[pmax][i] = 0;
+        uint32_t sum = 0;
         while(res < res_end){
-            sums[pmax][i] += *(res++);
+            sum += *(res++);
         }
+        sums[pmax][i] = sum;
         res_end+= n >> pmax;
     }
     /* sums for lower levels */