WIP: MSVC, how can I help you?

.github/workflows/CI.yml

@@ -7,6 +7,7 @@ on:
 
 jobs:
   gcc:
+    if: false
     strategy:
       fail-fast: false
       matrix:
@@ -55,6 +56,7 @@ jobs:
         run: cd vir-simd && make check DRIVEROPTS=-vvf
 
   clang:
+    if: false
     strategy:
       fail-fast: false
       matrix:
@@ -97,6 +99,7 @@ jobs:
         run: cd vir-simd && make check DRIVEROPTS=-vvf
 
   clang-libcxx:
+    if: false
     strategy:
       fail-fast: false
       matrix:
@@ -138,6 +141,7 @@ jobs:
         run: cd vir-simd && make check DRIVEROPTS=-vvf
 
   emscripten:
+    if: false
     strategy:
       fail-fast: true
       matrix:

vir/simd.h

@@ -1516,6 +1516,7 @@ namespace vir::stdx
       template <typename F, size_t... Is>
         constexpr
         simd(std::index_sequence<Is...>, F&& init)
+#pragma warning(suppress:4267)
         : data {static_cast<value_type>(init(detail::SizeConstant<Is>()))...}
         {}
 

vir/simd_cvt.h

@@ -34,6 +34,7 @@ namespace vir
 	operator U() const
 	{
 	  if constexpr (std::convertible_to<T, U>)
+#pragma warning(suppress:4244)
 	    return ref;
 	  else
 	    return stdx::static_simd_cast<U>(ref);

vir/simd_permute.h

@@ -205,12 +205,12 @@ namespace vir
 #endif // __GNUC__
 
       return R([&](auto i) -> T {
-	       constexpr int j = [&] {
+	       constexpr int j = [&](auto ii, F const idx_perm2) {
 		 if constexpr (detail::index_permutation_function_nosize<F>)
-		   return idx_perm(i);
+		   return idx_perm2(ii);
 		 else
-		   return idx_perm(i, vir::cw<V::size()>);
-	       }();
+		   return idx_perm2(ii, vir::cw<V::size()>);
+	       }(i, idx_perm);
 	       if constexpr (j == simd_permute_zero)
 		 return 0;
 	       else if constexpr (j == simd_permute_uninit)