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make prefetch do something on msvc

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Original file line number	Diff line number	Diff line change
`@@ -5,6 +5,8 @@`
`5`	`5`	`#ifndef JUMANPP_COMMON_HPP`
`6`	`6`	`#defineJUMANPP_COMMON_HPP`
`7`	`7`
	`8`	`+#include<intrin.h>`
	`9`	`+`
`8`	`10`	`#ifdef _MSC_VER`
`9`	`11`	`#defineJPP_ALWAYS_INLINE __forceinline`
`10`	`12`	`#defineJPP_NO_INLINE__declspec(noinline)`
`@@ -58,6 +60,8 @@ template <PrefetchHint hint>`
`58`	`60`	`inline JPP_ALWAYS_INLINEvoidprefetch(constvoid* x) {`
`59`	`61`	`#if defined(__llvm__) \|\| defined(__GNUC__)`
`60`	`62`	`__builtin_prefetch(x,0, hint);`
	`63`	`+#elif defined(_WIN32_WINNT) && (defined(_M_IX86) \|\| defined(_M_X64))`
	`64`	`+_mm_prefetch(static_cast<constchar*>(x), hint);`
`61`	`65`	`#else`
`62`	`66`	`// You get no effect. Feel free to add more sections above.`
`63`	`67`	`#endif`

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