swscale/ppc: Add av_unused to template vars only used in one includer

libswscale/ppc/swscale_ppc_template.c

@@ -44,7 +44,7 @@ static void FUNC(yuv2planeX_8_16)(const int16_t *filter, int filterSize,
     for (j = 0; j < filterSize; j++) {
         unsigned int joffset=j<<1;
         unsigned int xoffset=x<<1;
-        vector unsigned char perm;
+        vector unsigned char av_unused perm;
         vector signed short l1,vLumFilter;
         LOAD_FILTER(vLumFilter,filter);
         vLumFilter = vec_splat(vLumFilter, 0);
@@ -133,8 +133,8 @@ static void FUNC(hScale_real)(SwsContext *c, int16_t *dst, int dstW,
         case 8:
             for (i = 0; i < dstW; i++) {
                 register int srcPos = filterPos[i];
-                vector unsigned char src_vF, src_v0, src_v1;
-                vector unsigned char permS;
+                vector unsigned char src_vF, av_unused src_v0, av_unused src_v1;
+                vector unsigned char av_unused permS;
                 vector signed short src_v, filter_v;
                 vector signed int val_v, val_s;
                 FIRST_LOAD(src_v0, srcPos, src, permS);
@@ -173,18 +173,19 @@ static void FUNC(hScale_real)(SwsContext *c, int16_t *dst, int dstW,
 
         default:
             for (i = 0; i < dstW; i++) {
-                register int j, offset = i * 2 * filterSize;
+                register int j, av_unused offset = i * 2 * filterSize;
                 register int srcPos = filterPos[i];
 
                 vector signed int val_s, val_v = (vector signed int)vzero;
-                vector signed short filter_v0R;
-                vector unsigned char permF, src_v0, permS;
+                vector signed short av_unused filter_v0R;
+                vector unsigned char av_unused permF, av_unused src_v0, av_unused permS;
                 FIRST_LOAD(filter_v0R, offset, filter, permF);
                 FIRST_LOAD(src_v0, srcPos, src, permS);
 
                 for (j = 0; j < filterSize - 15; j += 16) {
-                    vector unsigned char src_v1, src_vF;
-                    vector signed short filter_v1R, filter_v2R, filter_v0, filter_v1, src_vA, src_vB;
+                    vector unsigned char av_unused src_v1, src_vF;
+                    vector signed short av_unused filter_v1R, av_unused filter_v2R,
+                                        filter_v0, filter_v1, src_vA, src_vB;
                     vector signed int val_acc;
                     LOAD_SRCV(srcPos, j, src, permS, src_v0, src_v1, src_vF);
                     src_vA = // vec_unpackh sign-extends...
@@ -201,8 +202,8 @@ static void FUNC(hScale_real)(SwsContext *c, int16_t *dst, int dstW,
 
                 if (j < filterSize - 7) {
                     // loading src_v0 is useless, it's already done above
-                    vector unsigned char src_v1, src_vF;
-                    vector signed short src_v, filter_v1R, filter_v;
+                    vector unsigned char av_unused src_v1, src_vF;
+                    vector signed short src_v, av_unused filter_v1R, filter_v;
                     LOAD_SRCV8(srcPos, j, src, permS, src_v0, src_v1, src_vF);
                     src_v = // vec_unpackh sign-extends...
                             (vector signed short)(VEC_MERGEH((vector unsigned char)vzero, src_vF));