hide all vector-related attributes behind #ifdef

pocketfft.cc

@@ -2066,15 +2066,9 @@ template<> struct VTYPE<float>
 #else
 template<typename T> struct VTYPE{};
 template<> struct VTYPE<double>
-  {
-  using type = double __attribute__ ((vector_size (8)));
-  static constexpr int vlen=1;
-  };
+  {  static constexpr int vlen=1; };
 template<> struct VTYPE<float>
-  {
-  using type = float __attribute__ ((vector_size (4)));
-  static constexpr int vlen=1;
-  };
+  { static constexpr int vlen=1; };
 #endif
 
 template<typename T> arr<char> alloc_tmp(const shape_t &shape,
@@ -2112,6 +2106,7 @@ template<typename T> NOINLINE void pocketfft_general_c(
     size_t len=it.length_in();
     if ((!plan) || (len!=plan->length()))
       plan.reset(new pocketfft_c<T>(len));
+#if defined(HAVE_VECSUPPORT)
     if (vlen>1)
       while (it.remaining()>=vlen)
         {
@@ -2130,6 +2125,7 @@ template<typename T> NOINLINE void pocketfft_general_c(
           for (size_t j=0; j<vlen; ++j)
             it.out(j,i).Set(tdatav[i].r[j],tdatav[i].i[j]);
         }
+#endif
     while (it.remaining()>0)
       {
       it.advance(1);
@@ -2171,6 +2167,7 @@ template<typename T> NOINLINE void pocketfft_general_hartley(
     size_t len=it.length_in();
     if ((!plan) || (len!=plan->length()))
       plan.reset(new pocketfft_r<T>(len));
+#if defined(HAVE_VECSUPPORT)
     if (vlen>1)
       while (it.remaining()>=vlen)
         {
@@ -2194,6 +2191,7 @@ template<typename T> NOINLINE void pocketfft_general_hartley(
           for (size_t j=0; j<vlen; ++j)
             it.out(j,i1) = tdatav[i][j];
         }
+#endif
     while (it.remaining()>0)
       {
       it.advance(1);
@@ -2225,6 +2223,7 @@ template<typename T> NOINLINE void pocketfft_general_r2c(
   constexpr int vlen = VTYPE<T>::vlen;
   multi_iter<vlen, T, cmplx<T>> it(in, out, axis);
   size_t len=in.shape(axis);
+#if defined(HAVE_VECSUPPORT)
   if (vlen>1)
     while (it.remaining()>=vlen)
       {
@@ -2245,6 +2244,7 @@ template<typename T> NOINLINE void pocketfft_general_r2c(
         for (size_t j=0; j<vlen; ++j)
           it.out(j,ii).Set(tdatav[i][j]);
       }
+#endif
   while (it.remaining()>0)
     {
     it.advance(1);
@@ -2269,6 +2269,7 @@ template<typename T> NOINLINE void pocketfft_general_c2r(
   constexpr int vlen = VTYPE<T>::vlen;
   multi_iter<vlen, cmplx<T>, T> it(in, out, axis);
   size_t len=out.shape(axis);
+#if defined(HAVE_VECSUPPORT)
   if (vlen>1)
     while (it.remaining()>=vlen)
       {
@@ -2292,6 +2293,7 @@ template<typename T> NOINLINE void pocketfft_general_c2r(
         for (size_t j=0; j<vlen; ++j)
           it.out(j,i) = tdatav[i][j];
       }
+#endif
   while (it.remaining()>0)
     {
     it.advance(1);