Support name() method for arch

include/xsimd/types/xsimd_avx2_register.hpp

@@ -10,6 +10,7 @@ namespace xsimd
         static constexpr bool supported() { return XSIMD_WITH_AVX2; }
         static constexpr bool available() { return true; }
         static constexpr unsigned version() { return generic::version(2, 2, 0); }
+        static constexpr char const* name() { return "avx2"; }
     };
 
 #if XSIMD_WITH_AVX2

include/xsimd/types/xsimd_avx512bw_register.hpp

@@ -9,6 +9,7 @@ namespace xsimd {
     static constexpr bool supported() { return XSIMD_WITH_AVX512BW; }
     static constexpr bool available() { return true; }
     static constexpr unsigned version() { return generic::version(3, 4, 0); }
+    static constexpr char const* name() { return "avx512bw"; }
   };
 
 #if XSIMD_WITH_AVX512BW

include/xsimd/types/xsimd_avx512cd_register.hpp

@@ -9,6 +9,7 @@ namespace xsimd {
     static constexpr bool supported() { return XSIMD_WITH_AVX512BW; }
     static constexpr bool available() { return true; }
     static constexpr unsigned version() { return generic::version(3, 2, 0); }
+    static constexpr char const* name() { return "avx512cd"; }
   };
 
 #if XSIMD_WITH_AVX512BW

include/xsimd/types/xsimd_avx512dq_register.hpp

@@ -9,6 +9,7 @@ namespace xsimd {
     static constexpr bool supported() { return XSIMD_WITH_AVX512DQ; }
     static constexpr bool available() { return true; }
     static constexpr unsigned version() { return generic::version(3, 3, 0); }
+    static constexpr char const* name() { return "avx512dq"; }
   };
 
 #if XSIMD_WITH_AVX512DQ

include/xsimd/types/xsimd_avx512f_register.hpp

@@ -11,6 +11,7 @@ namespace xsimd {
     static constexpr unsigned version() { return generic::version(3, 1, 0); }
     static constexpr std::size_t alignment() { return 64; }
     static constexpr bool requires_alignment() { return true; }
+    static constexpr char const* name() { return "avx512f"; }
   };
 
 #if XSIMD_WITH_AVX512F

include/xsimd/types/xsimd_avx_register.hpp

@@ -11,6 +11,7 @@ namespace xsimd {
     static constexpr unsigned version() { return generic::version(2, 1, 0); }
     static constexpr std::size_t alignment() { return 32; }
     static constexpr bool requires_alignment() { return true; }
+    static constexpr char const* name() { return "avx"; }
   };
 }
 

include/xsimd/types/xsimd_fma3_register.hpp

@@ -10,6 +10,7 @@ namespace xsimd {
     static constexpr bool supported() { return XSIMD_WITH_FMA3; }
     static constexpr bool available() { return true; }
     static constexpr unsigned version() { return generic::version(1, 5, 0); }
+    static constexpr char const* name() { return "sse4.2+fma"; }
   };
 
 #if XSIMD_WITH_FMA3

include/xsimd/types/xsimd_fma5_register.hpp

@@ -10,6 +10,7 @@ namespace xsimd {
     static constexpr bool supported() { return XSIMD_WITH_FMA5; }
     static constexpr bool available() { return true; }
     static constexpr unsigned version() { return generic::version(2, 3, 0); }
+    static constexpr char const* name() { return "avx2+fma"; }
   };
 
 #if XSIMD_WITH_FMA5

include/xsimd/types/xsimd_neon64_register.hpp

@@ -12,6 +12,7 @@ namespace xsimd
         static constexpr bool requires_alignment() { return true; }
         static constexpr std::size_t alignment() { return 16; }
         static constexpr unsigned version() { return generic::version(8, 1, 0); }
+        static constexpr char const* name() { return "arm64+neon"; }
     };
 
 #if XSIMD_WITH_NEON64

include/xsimd/types/xsimd_neon_register.hpp

@@ -17,6 +17,7 @@ namespace xsimd
         static constexpr bool requires_alignment() { return true; }
         static constexpr std::size_t alignment() { return 16; }
         static constexpr unsigned version() { return generic::version(7, 0, 0); }
+        static constexpr char const* name() { return "arm32+neon"; }
     };
 
 #if XSIMD_WITH_NEON

include/xsimd/types/xsimd_sse2_register.hpp

@@ -18,6 +18,7 @@ namespace xsimd
         static constexpr bool requires_alignment() { return true; }
         static constexpr unsigned version() { return generic::version(1, 2, 0); }
         static constexpr std::size_t alignment() { return 16; }
+        static constexpr char const* name() { return "sse2"; }
     };
 
 #if XSIMD_WITH_SSE2

include/xsimd/types/xsimd_sse3_register.hpp

@@ -14,6 +14,7 @@ namespace xsimd
         static constexpr bool supported() { return XSIMD_WITH_SSE3; }
         static constexpr bool available() { return true; }
         static constexpr unsigned version() { return generic::version(1, 3, 0); }
+        static constexpr char const* name() { return "sse3"; }
     };
 
 #if XSIMD_WITH_SSE3

include/xsimd/types/xsimd_sse4_1_register.hpp

@@ -14,6 +14,7 @@ namespace xsimd
         static constexpr bool supported() { return XSIMD_WITH_SSE4_1; }
         static constexpr bool available() { return true; }
         static constexpr unsigned version() { return generic::version(1, 4, 1); }
+        static constexpr char const* name() { return "sse4.1"; }
     };
 
 #if XSIMD_WITH_SSE4_1

include/xsimd/types/xsimd_sse4_2_register.hpp

@@ -14,6 +14,7 @@ namespace xsimd
         static constexpr bool supported() { return XSIMD_WITH_SSE4_2; }
         static constexpr bool available() { return true; }
         static constexpr unsigned version() { return generic::version(1, 4, 2); }
+        static constexpr char const* name() { return "sse4.2"; }
     };
 
 #if XSIMD_WITH_SSE4_2

include/xsimd/types/xsimd_ssse3_register.hpp

@@ -14,6 +14,7 @@ namespace xsimd
         static constexpr bool supported() { return XSIMD_WITH_SSSE3; }
         static constexpr bool available() { return true; }
         static constexpr unsigned version() { return generic::version(1, 3, 1); }
+        static constexpr char const* name() { return "ssse3"; }
     };
 
 #if XSIMD_WITH_SSSE3

test/test_arch.cpp

@@ -30,6 +30,13 @@ TEST(arch, supported)
   xsimd::supported_architectures::for_each(check_supported{});
 }
 
+TEST(arch, name)
+{
+  constexpr char const* name = xsimd::default_arch::name();
+  (void)name;
+}
+
+
 struct check_available {
   template<class Arch>
   void operator()(Arch) const {