Make multiply_sat_test compile on older compilers

1 files changed, 7 insertions, 7 deletions

diff --git a/test/kernels/multiply_sat_test.cc b/test/kernels/multiply_sat_test.cc
index 87fc09a..0e86c0e 100644
--- a/test/kernels/multiply_sat_test.cc
+++ b/test/kernels/multiply_sat_test.cc
@@ -21,13 +21,13 @@ void kernel_multiply_sat_test() {
   std::iota(input1.begin(), input1.end(), -int(VECTOR_LENGTH / 2));
   std::iota(input2.begin(), input2.end(), -int(VECTOR_LENGTH / 3));
 
-  for (std::size_t shift = 0; shift <= 2 * 8 * sizeof(Type_); ++shift) {
-    *output.template as<vec_t>() = kernels::multiply_sat<Type_>(*input1.template as<vec_t>(), *input2.template as<vec_t>(), shift);
-    for (std::size_t i = 0; i < output.size(); ++i) {
-      auto ref = (int64_t(input1[i]) * input2[i]) >> shift;
-      auto ref_sat = Type_(std::min<int64_t>(std::numeric_limits<Type_>::max(), std::max<int64_t>(std::numeric_limits<Type_>::min(), ref)));
-      CHECK(output[i] == ref_sat);
-    }
+  // TODO: try all shifts.  The shift must be an immediate.
+  std::size_t shift = 1;
+  *output.template as<vec_t>() = kernels::multiply_sat<Type_>(*input1.template as<vec_t>(), *input2.template as<vec_t>(), shift);
+  for (std::size_t i = 0; i < output.size(); ++i) {
+    auto ref = (int64_t(input1[i]) * input2[i]) >> shift;
+    auto ref_sat = Type_(std::min<int64_t>(std::numeric_limits<Type_>::max(), std::max<int64_t>(std::numeric_limits<Type_>::min(), ref)));
+    CHECK(output[i] == ref_sat);
   }
 }