Disable all architectures when XSIMD_EMULATED is set

This prevents interaction between emulated kernels and specific kernels.

Author: serge-sans-paille

include/xsimd/config/xsimd_config.hpp

@@ -606,6 +606,67 @@
 #define XSIMD_NO_SUPPORTED_ARCHITECTURE
 #endif
 
+// When XSIMD_WITH_EMULATED is set, disable all other architectures
+#if XSIMD_WITH_EMULATED
+#undef XSIMD_WITH_SSE2
+#undef XSIMD_WITH_SSE3
+#undef XSIMD_WITH_SSSE3
+#undef XSIMD_WITH_SSE4_1
+#undef XSIMD_WITH_SSE4_2
+#undef XSIMD_WITH_AVX
+#undef XSIMD_WITH_AVX2
+#undef XSIMD_WITH_AVXVNNI
+#undef XSIMD_WITH_FMA3_SSE
+#undef XSIMD_WITH_FMA4
+#undef XSIMD_WITH_FMA3_AVX
+#undef XSIMD_WITH_FMA3_AVX2
+#undef XSIMD_WITH_AVX512F
+#undef XSIMD_WITH_AVX512CD
+#undef XSIMD_WITH_AVX512DQ
+#undef XSIMD_WITH_AVX512BW
+#undef XSIMD_WITH_AVX512ER
+#undef XSIMD_WITH_AVX512PF
+#undef XSIMD_WITH_AVX512IFMA
+#undef XSIMD_WITH_AVX512VBMI
+#undef XSIMD_WITH_AVX512VBMI2
+#undef XSIMD_WITH_NEON
+#undef XSIMD_WITH_NEON64
+#undef XSIMD_WITH_SVE
+#undef XSIMD_WITH_RVV
+#undef XSIMD_WITH_WASM
+#undef XSIMD_WITH_VSX
+#undef XSIMD_WITH_VXE
+
+#define XSIMD_WITH_SSE2 0
+#define XSIMD_WITH_SSE3 0
+#define XSIMD_WITH_SSSE3 0
+#define XSIMD_WITH_SSE4_1 0
+#define XSIMD_WITH_SSE4_2 0
+#define XSIMD_WITH_AVX 0
+#define XSIMD_WITH_AVX2 0
+#define XSIMD_WITH_AVXVNNI 0
+#define XSIMD_WITH_FMA3_SSE 0
+#define XSIMD_WITH_FMA4 0
+#define XSIMD_WITH_FMA3_AVX 0
+#define XSIMD_WITH_FMA3_AVX2 0
+#define XSIMD_WITH_AVX512F 0
+#define XSIMD_WITH_AVX512CD 0
+#define XSIMD_WITH_AVX512DQ 0
+#define XSIMD_WITH_AVX512BW 0
+#define XSIMD_WITH_AVX512ER 0
+#define XSIMD_WITH_AVX512PF 0
+#define XSIMD_WITH_AVX512IFMA 0
+#define XSIMD_WITH_AVX512VBMI 0
+#define XSIMD_WITH_AVX512VBMI2 0
+#define XSIMD_WITH_NEON 0
+#define XSIMD_WITH_NEON64 0
+#define XSIMD_WITH_SVE 0
+#define XSIMD_WITH_RVV 0
+#define XSIMD_WITH_WASM 0
+#define XSIMD_WITH_VSX 0
+#define XSIMD_WITH_VXE 0
+#endif
+
 /**
  * @ingroup xsimd_config_macro
  *