VPX: remove step == 16 and filter[3] != 128 checks

from FUN_CONV_1D and FUN_CONV_2D macros.  The functions
will not be called with these inputs.

Change-Id: I67ec75e4edafc0acee70190521a80ea85dfa521b

vpx_dsp/x86/convolve.h

@@ -32,75 +32,74 @@ typedef void filter8_1dfunction (
                                     const int16_t *filter_y, int y_step_q4, \
                                     int w, int h) { \
   assert(filter[3] != 128); \
-  if (step_q4 == 16 && filter[3] != 128) { \
-    if (filter[0] || filter[1] || filter[2]) { \
-      while (w >= 16) { \
-        vpx_filter_block1d16_##dir##8_##avg##opt(src_start, \
-                                                 src_stride, \
-                                                 dst, \
-                                                 dst_stride, \
-                                                 h, \
-                                                 filter); \
-        src += 16; \
-        dst += 16; \
-        w -= 16; \
-      } \
-      while (w >= 8) { \
-        vpx_filter_block1d8_##dir##8_##avg##opt(src_start, \
-                                                src_stride, \
-                                                dst, \
-                                                dst_stride, \
-                                                h, \
-                                                filter); \
-        src += 8; \
-        dst += 8; \
-        w -= 8; \
-      } \
-      while (w >= 4) { \
-        vpx_filter_block1d4_##dir##8_##avg##opt(src_start, \
-                                                src_stride, \
-                                                dst, \
-                                                dst_stride, \
-                                                h, \
-                                                filter); \
-        src += 4; \
-        dst += 4; \
-        w -= 4; \
-      } \
-    } else { \
-      while (w >= 16) { \
-        vpx_filter_block1d16_##dir##2_##avg##opt(src, \
-                                                 src_stride, \
-                                                 dst, \
-                                                 dst_stride, \
-                                                 h, \
-                                                 filter); \
-        src += 16; \
-        dst += 16; \
-        w -= 16; \
-      } \
-      while (w >= 8) { \
-        vpx_filter_block1d8_##dir##2_##avg##opt(src, \
-                                                src_stride, \
-                                                dst, \
-                                                dst_stride, \
-                                                h, \
-                                                filter); \
-        src += 8; \
-        dst += 8; \
-        w -= 8; \
-      } \
-      while (w >= 4) { \
-        vpx_filter_block1d4_##dir##2_##avg##opt(src, \
-                                                src_stride, \
-                                                dst, \
-                                                dst_stride, \
-                                                h, \
-                                                filter); \
-        src += 4; \
-        dst += 4; \
-        w -= 4; \
-      } \
+  assert(step_q4 == 16); \
+  if (filter[0] || filter[1] || filter[2]) { \
+    while (w >= 16) { \
+      vpx_filter_block1d16_##dir##8_##avg##opt(src_start, \
+                                               src_stride, \
+                                               dst, \
+                                               dst_stride, \
+                                               h, \
+                                               filter); \
+      src += 16; \
+      dst += 16; \
+      w -= 16; \
+    } \
+    while (w >= 8) { \
+      vpx_filter_block1d8_##dir##8_##avg##opt(src_start, \
+                                              src_stride, \
+                                              dst, \
+                                              dst_stride, \
+                                              h, \
+                                              filter); \
+      src += 8; \
+      dst += 8; \
+      w -= 8; \
+    } \
+    while (w >= 4) { \
+      vpx_filter_block1d4_##dir##8_##avg##opt(src_start, \
+                                              src_stride, \
+                                              dst, \
+                                              dst_stride, \
+                                              h, \
+                                              filter); \
+      src += 4; \
+      dst += 4; \
+      w -= 4; \
+    } \
+  } else { \
+    while (w >= 16) { \
+      vpx_filter_block1d16_##dir##2_##avg##opt(src, \
+                                               src_stride, \
+                                               dst, \
+                                               dst_stride, \
+                                               h, \
+                                               filter); \
+      src += 16; \
+      dst += 16; \
+      w -= 16; \
+    } \
+    while (w >= 8) { \
+      vpx_filter_block1d8_##dir##2_##avg##opt(src, \
+                                              src_stride, \
+                                              dst, \
+                                              dst_stride, \
+                                              h, \
+                                              filter); \
+      src += 8; \
+      dst += 8; \
+      w -= 8; \
+    } \
+    while (w >= 4) { \
+      vpx_filter_block1d4_##dir##2_##avg##opt(src, \
+                                              src_stride, \
+                                              dst, \
+                                              dst_stride, \
+                                              h, \
+                                              filter); \
+      src += 4; \
+      dst += 4; \
+      w -= 4; \
     } \
   } \
 }
@@ -115,25 +114,25 @@ void vpx_convolve8_##avg##opt(const uint8_t *src, ptrdiff_t src_stride, \
   assert(filter_y[3] != 128); \
   assert(w <= 64); \
   assert(h <= 64); \
-  if (x_step_q4 == 16 && y_step_q4 == 16) { \
-    if (filter_x[0] || filter_x[1] || filter_x[2] || filter_x[3] == 128 || \
-        filter_y[0] || filter_y[1] || filter_y[2] || filter_y[3] == 128) { \
-      DECLARE_ALIGNED(16, uint8_t, fdata2[64 * 71]); \
-      vpx_convolve8_horiz_##opt(src - 3 * src_stride, src_stride, fdata2, 64, \
-                                filter_x, x_step_q4, filter_y, y_step_q4, \
-                                w, h + 7); \
-      vpx_convolve8_##avg##vert_##opt(fdata2 + 3 * 64, 64, dst, dst_stride, \
-                                      filter_x, x_step_q4, filter_y, \
-                                      y_step_q4, w, h); \
-    } else { \
-      DECLARE_ALIGNED(16, uint8_t, fdata2[64 * 65]); \
-      vpx_convolve8_horiz_##opt(src, src_stride, fdata2, 64, \
-                                filter_x, x_step_q4, filter_y, y_step_q4, \
-                                w, h + 1); \
-      vpx_convolve8_##avg##vert_##opt(fdata2, 64, dst, dst_stride, \
-                                      filter_x, x_step_q4, filter_y, \
-                                      y_step_q4, w, h); \
-    } \
+  assert(x_step_q4 == 16); \
+  assert(y_step_q4 == 16); \
+  if (filter_x[0] || filter_x[1] || filter_x[2]|| \
+      filter_y[0] || filter_y[1] || filter_y[2]) { \
+    DECLARE_ALIGNED(16, uint8_t, fdata2[64 * 71]); \
+    vpx_convolve8_horiz_##opt(src - 3 * src_stride, src_stride, fdata2, 64, \
+                              filter_x, x_step_q4, filter_y, y_step_q4, \
+                              w, h + 7); \
+    vpx_convolve8_##avg##vert_##opt(fdata2 + 3 * 64, 64, dst, dst_stride, \
+                                    filter_x, x_step_q4, filter_y, \
+                                    y_step_q4, w, h); \
+  } else { \
+    DECLARE_ALIGNED(16, uint8_t, fdata2[64 * 65]); \
+    vpx_convolve8_horiz_##opt(src, src_stride, fdata2, 64, \
+                              filter_x, x_step_q4, filter_y, y_step_q4, \
+                              w, h + 1); \
+    vpx_convolve8_##avg##vert_##opt(fdata2, 64, dst, dst_stride, \
+                                    filter_x, x_step_q4, filter_y, \
+                                    y_step_q4, w, h); \
   } \
 }