compile error in: MSVC + #define __SSE4_1__ + 32bit_build

[wjssz]

E:\dev\cpython\Modules\_blake2\impl\blake2b.c(31,23): error C2169: “_mm_set_epi64x”: intrinsic function, cannot be defined [E:\dev\cpython\PCbuild\
pythoncore.vcxproj]
E:\dev\cpython\Modules\_blake2\impl\blake2s.c(31,23): error C2169: “_mm_set_epi64x”: intrinsic function, cannot be defined [E:\dev\cpython\PCbuild\
pythoncore.vcxproj]

To fix, change in blake2b.c/blake2s.c:

 #if defined(HAVE_SSE2)
 #include <emmintrin.h>
 // MSVC only defines  _mm_set_epi64x for x86_64...
-#if defined(_MSC_VER) && !defined(_M_X64)
-static inline __m128i _mm_set_epi64x( const uint64_t u1, const uint64_t u0 )
+#if defined(_MSC_VER) && defined(_M_IX86)
+static inline __m128i b2_mm_set_epi64x( const uint64_t u1, const uint64_t u0 )
 {
-  return _mm_set_epi32( u1 >> 32, u1, u0 >> 32, u0 );
+  return _mm_set_epi32( u1 >> 32, ( uint32_t ) u1, u0 >> 32, ( uint32_t ) u0 );
 }
+#else
+#define b2_mm_set_epi64x _mm_set_epi64x
 #endif
 #endif

And change from _mm_set_epi64x to b2_mm_set_epi64x in blake2b-load-sse2.h.

_M_IX86 Defined as the integer literal value 600 for compilations that target x86 processors. This macro isn't defined for x64 or ARM compilation targets. (source)