Fix fma4 support

Fix #1071

Author: serge-sans-paille

Diff for: include/xsimd/arch/xsimd_fma4.hpp

@@ -23,52 +23,52 @@ namespace xsimd
 
         // fnma
         template <class A>
-        XSIMD_INLINE batch<float, A> fnma(simd_register<float, A> const& x, simd_register<float, A> const& y, simd_register<float, A> const& z, requires_arch<fma4>) noexcept
+        XSIMD_INLINE batch<float, A> fnma(batch<float, A> const& x, batch<float, A> const& y, batch<float, A> const& z, requires_arch<fma4>) noexcept
         {
             return _mm_nmacc_ps(x, y, z);
         }
 
         template <class A>
-        XSIMD_INLINE batch<double, A> fnma(simd_register<double, A> const& x, simd_register<double, A> const& y, simd_register<double, A> const& z, requires_arch<fma4>) noexcept
+        XSIMD_INLINE batch<double, A> fnma(batch<double, A> const& x, batch<double, A> const& y, batch<double, A> const& z, requires_arch<fma4>) noexcept
         {
             return _mm_nmacc_pd(x, y, z);
         }
 
         // fnms
         template <class A>
-        XSIMD_INLINE batch<float, A> fnms(simd_register<float, A> const& x, simd_register<float, A> const& y, simd_register<float, A> const& z, requires_arch<fma4>) noexcept
+        XSIMD_INLINE batch<float, A> fnms(batch<float, A> const& x, batch<float, A> const& y, batch<float, A> const& z, requires_arch<fma4>) noexcept
         {
             return _mm_nmsub_ps(x, y, z);
         }
 
         template <class A>
-        XSIMD_INLINE batch<double, A> fnms(simd_register<double, A> const& x, simd_register<double, A> const& y, simd_register<double, A> const& z, requires_arch<fma4>) noexcept
+        XSIMD_INLINE batch<double, A> fnms(batch<double, A> const& x, batch<double, A> const& y, batch<double, A> const& z, requires_arch<fma4>) noexcept
         {
             return _mm_nmsub_pd(x, y, z);
         }
 
         // fma
         template <class A>
-        XSIMD_INLINE batch<float, A> fma(simd_register<float, A> const& x, simd_register<float, A> const& y, simd_register<float, A> const& z, requires_arch<fma4>) noexcept
+        XSIMD_INLINE batch<float, A> fma(batch<float, A> const& x, batch<float, A> const& y, batch<float, A> const& z, requires_arch<fma4>) noexcept
         {
             return _mm_macc_ps(x, y, z);
         }
 
         template <class A>
-        XSIMD_INLINE batch<double, A> fma(simd_register<double, A> const& x, simd_register<double, A> const& y, simd_register<double, A> const& z, requires_arch<fma4>) noexcept
+        XSIMD_INLINE batch<double, A> fma(batch<double, A> const& x, batch<double, A> const& y, batch<double, A> const& z, requires_arch<fma4>) noexcept
         {
             return _mm_macc_pd(x, y, z);
         }
 
         // fms
         template <class A>
-        XSIMD_INLINE batch<float, A> fms(simd_register<float, A> const& x, simd_register<float, A> const& y, simd_register<float, A> const& z, requires_arch<fma4>) noexcept
+        XSIMD_INLINE batch<float, A> fms(batch<float, A> const& x, batch<float, A> const& y, batch<float, A> const& z, requires_arch<fma4>) noexcept
         {
             return _mm_msub_ps(x, y, z);
         }
 
         template <class A>
-        XSIMD_INLINE batch<double, A> fms(simd_register<double, A> const& x, simd_register<double, A> const& y, simd_register<double, A> const& z, requires_arch<fma4>) noexcept
+        XSIMD_INLINE batch<double, A> fms(batch<double, A> const& x, batch<double, A> const& y, batch<double, A> const& z, requires_arch<fma4>) noexcept
         {
             return _mm_msub_pd(x, y, z);
         }

Diff for: include/xsimd/types/xsimd_fma4_register.hpp

@@ -14,6 +14,10 @@
 
 #include "./xsimd_sse4_2_register.hpp"
 
+#if XSIMD_WITH_FMA4
+#include <x86intrin.h>
+#endif
+
 namespace xsimd
 {
     /**

Diff for: test/architectures/CMakeLists.txt

@@ -1,8 +1,7 @@
 set(INTEL_PROCESSORS
-    knl knm skylake-avx512 cannonlake icelake-client
+    bdver1 knl knm skylake-avx512 cannonlake icelake-client
     icelake-server cascadelake cooperlake tigerlake sapphirerapids alderlake
     rocketlake graniterapids graniterapids-d znver4)
-set(CMAKE_CXX_FLAGS "-Werror=unused-command-line-argument")
 
 foreach(INTEL_PROCESSOR ${INTEL_PROCESSORS})
     # Adding the werror here to choke if the -march is incompatible with the