Add ASM_REGISTER_STATE_CHECK to ConvolveRoundTest

Change-Id: Ide1b7b9f2362d8e74e10c5a37c6622be504c1418

test/convolve_round_test.cc

@@ -109,7 +109,8 @@ class ConvolveRoundTest : public ::testing::TestWithParam<ConvolveRoundParam> {
       GenerateBufferWithRandom(src_, src_stride, bits, w, h);
 
       func_ref_(src_, src_stride, dst_ref, dst_stride, w, h, bits);
-      func_(src_, src_stride, dst, dst_stride, w, h, bits);
+      ASM_REGISTER_STATE_CHECK(
+          func_(src_, src_stride, dst, dst_stride, w, h, bits));
 
       diff_wide = w;
       if (data_path_ == LOWBITDEPTH_TEST) diff_wide >>= 1;