{"provider_name":"Hatena Blog","width":"100%","image_url":null,"url":"https://kazuminkun.hatenablog.com/entry/2021/12/18/232035","blog_url":"https://kazuminkun.hatenablog.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkazuminkun.hatenablog.com%2Fentry%2F2021%2F12%2F18%2F232035\" title=\"golang(cgo)\u30b3\u30f3\u30d1\u30a4\u30e9\u306ecopyelim\u6700\u9069\u5316\u30d1\u30b9\u306b\u3064\u3044\u3066 - KazuminEngine\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/kazuminkun/","provider_url":"https://hatena.blog","type":"rich","height":"190","categories":[],"title":"golang(cgo)\u30b3\u30f3\u30d1\u30a4\u30e9\u306ecopyelim\u6700\u9069\u5316\u30d1\u30b9\u306b\u3064\u3044\u3066","author_name":"kazuminkun","version":"1.0","published":"2021-12-18 23:20:35","description":"golang\u30b3\u30f3\u30d1\u30a4\u30e9\u306e\u51e6\u7406\u7cfb\u306ecgo\u30b3\u30f3\u30d1\u30a4\u30e9\u306e\u6700\u9069\u5316\u30d1\u30b9\u3092\u9069\u5f53\u306b\u89e3\u8aac\u3057\u3066\u3044\u304f\u8a18\u4e8b\u3067\u3059\u3002 \u4eca\u56de\u306f\u3001copy elimination\u3067\u3059\u3002copy \u99c6\u9664\uff08\u524a\u9664\uff09\u3067\u3059\u306d\u3002 \u305f\u3076\u3093\u3001\u4ee5\u4e0b\u3092\u6301\u3063\u3066\u52a9\u9577\u3060\u3068\u5224\u65ad\u3057\u3066\u3001elim\u3059\u308b\u3088\u3046\u3067\u3059\u3002 a = b;c = a; \u3060\u3068\u601d\u3044\u307e\u3059\u3002 c = b \u3067\u3044\u3044\u3088\u306d\u3002\u305f\u3076\u3093\u3002 COPY op\u306eCOPY\u3063\u3066\u306e\u306f\u3001\u578b\u5909\u63db\u307f\u305f\u3044\u306amov\u547d\u4ee4\u7cfb\u306e\u3053\u3068\u3060\u3068\u601d\u3044\u307e\u3059\u3002 \u6a5f\u68b0\u8a9e\u3092\u5410\u304f\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u304b\u3089\u63a8\u6e2c\u3057\u307e\u3057\u305f\u3002 \u3061\u306a\u307f\u306b\u3001\u30ec\u30b8\u30b9\u30bf\u304c\u540c\u3058\u3060\u3063\u305f\u3089\u3001\u305d\u3082\u305d\u3082\u6a5f\u68b0\u8a9e\u3092\u5410\u304b\u306a\u3044\u3053\u3068\u306b\u306a\u3063\u3066\u307e\u3059\u306d\u3002 case ssa.OpCopy: // TODO: use MOVLreg for \u2026","blog_title":"KazuminEngine"}