diff --git a/vp8/encoder/mcomp.c b/vp8/encoder/mcomp.c
index 2c59872..83c3989 100644
--- a/vp8/encoder/mcomp.c
+++ b/vp8/encoder/mcomp.c
@@ -233,7 +233,7 @@
 
 #if ARCH_X86 || ARCH_X86_64
     MACROBLOCKD *xd = &x->e_mbd;
-    unsigned char *y0 = base_pre + d->offset + (bestmv->as_mv.row) * pre_stride + bestmv->as_mv.col;
+    unsigned char *y_0 = base_pre + d->offset + (bestmv->as_mv.row) * pre_stride + bestmv->as_mv.col;
     unsigned char *y;
     int buf_r1, buf_r2, buf_c1;
 
@@ -244,7 +244,7 @@
     y_stride = 32;
 
     /* Copy to intermediate buffer before searching. */
-    vfp->copymem(y0 - buf_c1 - pre_stride*buf_r1, pre_stride, xd->y_buf, y_stride, 16+buf_r1+buf_r2);
+    vfp->copymem(y_0 - buf_c1 - pre_stride*buf_r1, pre_stride, xd->y_buf, y_stride, 16+buf_r1+buf_r2);
     y = xd->y_buf + y_stride*buf_r1 +buf_c1;
 #else
     unsigned char *y = base_pre + d->offset + (bestmv->as_mv.row) * pre_stride + bestmv->as_mv.col;
@@ -375,12 +375,12 @@
 
 #if ARCH_X86 || ARCH_X86_64
     MACROBLOCKD *xd = &x->e_mbd;
-    unsigned char *y0 = base_pre + d->offset + (bestmv->as_mv.row) * pre_stride + bestmv->as_mv.col;
+    unsigned char *y_0 = base_pre + d->offset + (bestmv->as_mv.row) * pre_stride + bestmv->as_mv.col;
     unsigned char *y;
 
     y_stride = 32;
     /* Copy 18 rows x 32 cols area to intermediate buffer before searching. */
-     vfp->copymem(y0 - 1 - pre_stride, pre_stride, xd->y_buf, y_stride, 18);
+     vfp->copymem(y_0 - 1 - pre_stride, pre_stride, xd->y_buf, y_stride, 18);
      y = xd->y_buf + y_stride + 1;
 #else
      unsigned char *y = base_pre + d->offset + (bestmv->as_mv.row) * pre_stride + bestmv->as_mv.col;
@@ -686,12 +686,12 @@
 
 #if ARCH_X86 || ARCH_X86_64
     MACROBLOCKD *xd = &x->e_mbd;
-    unsigned char *y0 = base_pre + d->offset + (bestmv->as_mv.row) * pre_stride + bestmv->as_mv.col;
+    unsigned char *y_0 = base_pre + d->offset + (bestmv->as_mv.row) * pre_stride + bestmv->as_mv.col;
     unsigned char *y;
 
     y_stride = 32;
     /* Copy 18 rows x 32 cols area to intermediate buffer before searching. */
-    vfp->copymem(y0 - 1 - pre_stride, pre_stride, xd->y_buf, y_stride, 18);
+    vfp->copymem(y_0 - 1 - pre_stride, pre_stride, xd->y_buf, y_stride, 18);
     y = xd->y_buf + y_stride + 1;
 #else
     unsigned char *y = base_pre + d->offset + (bestmv->as_mv.row) * pre_stride + bestmv->as_mv.col;
diff --git a/vp8/encoder/rdopt.c b/vp8/encoder/rdopt.c
index 9080c62..8579614 100644
--- a/vp8/encoder/rdopt.c
+++ b/vp8/encoder/rdopt.c
@@ -884,8 +884,8 @@
 
     for (mode = DC_PRED; mode <= TM_PRED; mode++)
     {
-        int rate;
-        int distortion;
+        int this_rate;
+        int this_distortion;
         int this_rd;
 
         xd->mode_info_context->mbmi.uv_mode = mode;
@@ -907,17 +907,17 @@
         vp8_quantize_mbuv(x);
 
         rate_to = rd_cost_mbuv(x);
-        rate = rate_to + x->intra_uv_mode_cost[xd->frame_type][xd->mode_info_context->mbmi.uv_mode];
+        this_rate = rate_to + x->intra_uv_mode_cost[xd->frame_type][xd->mode_info_context->mbmi.uv_mode];
 
-        distortion = vp8_mbuverror(x) / 4;
+        this_distortion = vp8_mbuverror(x) / 4;
 
-        this_rd = RDCOST(x->rdmult, x->rddiv, rate, distortion);
+        this_rd = RDCOST(x->rdmult, x->rddiv, this_rate, this_distortion);
 
         if (this_rd < best_rd)
         {
             best_rd = this_rd;
-            d = distortion;
-            r = rate;
+            d = this_distortion;
+            r = this_rate;
             *rate_tokenonly = rate_to;
             mode_selected = mode;
         }
@@ -1294,12 +1294,11 @@
 
                 if (bestsme < INT_MAX)
                 {
-                    int distortion;
+                    int disto;
                     unsigned int sse;
                     cpi->find_fractional_mv_step(x, c, e, &mode_mv[NEW4X4],
                         bsi->ref_mv, x->errorperbit, v_fn_ptr, x->mvcost,
-                        &distortion, &sse);
-
+                        &disto, &sse);
                 }
             } /* NEW4X4 */