{"blog_url":"https://boxnos.hatenablog.com/","version":"1.0","height":"190","author_url":"https://blog.hatena.ne.jp/tanakaBox/","blog_title":"\u30dc\u30af\u30ce\u30b9","url":"https://boxnos.hatenablog.com/entry/20070715/1184501778","categories":["GCC"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fboxnos.hatenablog.com%2Fentry%2F20070715%2F1184501778\" title=\" GCC\u3067\u672b\u5c3e\u518d\u5e30\u306e\u6700\u9069\u5316\u30e1\u30e2\u3002 - \u30dc\u30af\u30ce\u30b9\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","provider_name":"Hatena Blog","author_name":"tanakaBox","image_url":null,"title":" GCC\u3067\u672b\u5c3e\u518d\u5e30\u306e\u6700\u9069\u5316\u30e1\u30e2\u3002","width":"100%","provider_url":"https://hatena.blog","published":"2007-07-15 21:16:18","description":"\u5fd8\u308c\u305d\u3046\u306a\u306e\u3067\u30e1\u30e2\u30e1\u30e2\u3002gcc\u3067\u672b\u5c3e\u518d\u5e30\u306e\u6700\u9069\u5316\u3092\u3057\u305f\u3044\u5834\u5408\u306f\u3001 % gcc -foptimize-sibling-calls\u6700\u9069\u5316\u30aa\u30d7\u30b7\u30e7\u30f3-O2\u4ee5\u4e0a\u3067\u3082\u6709\u52b9\u5316\u51fa\u6765\u308b\u3002 % gcc -O2\u5b89\u5fc3\u3057\u3066\u518d\u5e30\u304c\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u308a\u305d\u3046\u3067\u3059\u3002 \u53c2\u8003 \u30d5\u30ea\u30fc\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u5fb9\u5e95\u6d3b\u7528\u8b1b\u5ea7(21) GCC 4.1.0 \u306e\u6700\u9069\u5316\u30ec\u30d9\u30eb(-Ox)\u306b\u3088\u308b\u9055\u3044"}