{"title":"\u30aa\u30ea\u30b8\u30ca\u30ebLLVM\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u5b9f\u88c5\u3092\u307e\u3068\u3081\u308b(26. LLVM IR\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u305f\u3081\u306eIntrinsics\u306e\u30b5\u30dd\u30fc\u30c82. )","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","height":"190","blog_url":"https://msyksphinz.hatenablog.com/","published":"2019-10-24 04:00:00","blog_title":"FPGA\u958b\u767a\u65e5\u8a18","categories":[],"author_name":"msyksphinz","type":"rich","version":"1.0","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/m/msyksphinz/20191017/20191017003130.png","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmsyksphinz.hatenablog.com%2Fentry%2F2019%2F10%2F24%2F040000\" title=\"\u30aa\u30ea\u30b8\u30ca\u30ebLLVM\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u5b9f\u88c5\u3092\u307e\u3068\u3081\u308b(26. LLVM IR\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u305f\u3081\u306eIntrinsics\u306e\u30b5\u30dd\u30fc\u30c82. ) - FPGA\u958b\u767a\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"\u524d\u56de\u306e\u7d9a\u304d\u3002 \u30c7\u30fc\u30bf\u306e\u30d0\u30a4\u30c8\u30b9\u30ef\u30c3\u30d7\u3092\u884c\u3046\u3002C\u8a00\u8a9e\u3067\u306f\u3001__builtin_bswap16, __builtin_bswap32, __builtin_bswap64\u306b\u3088\u308a\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002 \u3053\u308c\u3089\u306f\u305d\u306e\u307e\u307e\u547d\u4ee4\u306b\u843d\u3068\u3057\u8fbc\u3081\u306a\u3044\u306e\u3067\u3001IR\u306e\u751f\u6210\u3092\u6291\u5236\u3059\u308b\u3002 func_bswap.cpp int test_bswap16() { volatile int a = 0x1234; int result = (__builtin_bswap16(a) ^ 0x3412); return result; } int test_bswap32() { volatile int a = 0x1234;\u2026","author_url":"https://blog.hatena.ne.jp/msyksphinz/","url":"https://msyksphinz.hatenablog.com/entry/2019/10/24/040000"}