Support SHA256_Transform_shani() with MSVC, too

Closes GH-15312.

Author: cmb69

ext/hash/hash_sha_ni.c

@@ -31,7 +31,7 @@
 
 # include <immintrin.h>
 
-# if PHP_HASH_INTRIN_SHA_RESOLVER
+# if defined(PHP_HASH_INTRIN_SHA_RESOLVER) && defined(HAVE_FUNC_ATTRIBUTE_TARGET)
 static __m128i be32dec_128(const uint8_t * src)  __attribute__((target("ssse3")));
 void SHA256_Transform_shani(uint32_t state[PHP_STATIC_RESTRICT 8], const uint8_t block[PHP_STATIC_RESTRICT 64])  __attribute__((target("ssse3,sha")));
 # endif

ext/hash/php_hash_sha.h

@@ -55,10 +55,10 @@ PHP_HASH_API void PHP_SHA256Update(PHP_SHA256_CTX *, const unsigned char *, size
 void SHA256_Transform_sse2(uint32_t state[PHP_STATIC_RESTRICT 8], const uint8_t block[PHP_STATIC_RESTRICT 64], uint32_t W[PHP_STATIC_RESTRICT 64], uint32_t S[PHP_STATIC_RESTRICT 8]);
 #endif
 
-#if (defined(__i386__) || defined(__x86_64__)) && defined(HAVE_IMMINTRIN_H)
+#if ((defined(__i386__) || defined(__x86_64__)) && defined(HAVE_IMMINTRIN_H)) || defined(_M_X64) || defined(_M_IX86)
 # if defined(__SSSE3__) && defined(__SHA__)
 #  define PHP_HASH_INTRIN_SHA_NATIVE 1
-# elif defined(HAVE_FUNC_ATTRIBUTE_TARGET)
+# elif defined(HAVE_FUNC_ATTRIBUTE_TARGET) || defined(_M_X64) || defined(_M_IX86)
 #  define PHP_HASH_INTRIN_SHA_RESOLVER 1
 # endif
 #endif