1 files changed, 7 insertions, 8 deletions
diff --git a/thirdparty/opus/silk/float/k2a_FLP.c b/thirdparty/opus/silk/float/k2a_FLP.c
index 1448008dbb..12af4e7669 100644
--- a/thirdparty/opus/silk/float/k2a_FLP.c
+++ b/thirdparty/opus/silk/float/k2a_FLP.c
@@ -39,16 +39,15 @@ void silk_k2a_FLP(
 )
 {
     opus_int   k, n;
-    silk_float rck, tmp1, tmp2;
+    silk_float Atmp[ SILK_MAX_ORDER_LPC ];
 
     for( k = 0; k < order; k++ ) {
-        rck = rc[ k ];
-        for( n = 0; n < (k + 1) >> 1; n++ ) {
-            tmp1 = A[ n ];
-            tmp2 = A[ k - n - 1 ];
-            A[ n ]         = tmp1 + tmp2 * rck;
-            A[ k - n - 1 ] = tmp2 + tmp1 * rck;
+        for( n = 0; n < k; n++ ) {
+            Atmp[ n ] = A[ n ];
         }
-        A[ k ] = -rck;
+        for( n = 0; n < k; n++ ) {
+            A[ n ] += Atmp[ k - n - 1 ] * rc[ k ];
+        }
+        A[ k ] = -rc[ k ];
     }
 }