{"id":113734,"date":"2018-08-09T08:18:33","date_gmt":"2018-08-09T00:18:33","guid":{"rendered":"https:\/\/gulass.cn\/?p=113734"},"modified":"2018-07-30T09:20:36","modified_gmt":"2018-07-30T01:20:36","slug":"gcc8-2","status":"publish","type":"post","link":"https:\/\/gulass.cn\/gcc8-2.html","title":{"rendered":"GCC 8.2 \u53d1\u5e03\uff1a\u89e3\u51b3\u6700\u9ad8\u4f18\u5148\u7ea7\u6027\u80fd\u56de\u9000\u95ee\u9898"},"content":{"rendered":"<table>\n<tbody>\n<tr>\n<td style=\"padding: 5px 12px; width: 25px; font-size: 22px; text-align: center; background: #E8E8E8; line-height: 30px; color: #999;\">\u5bfc\u8bfb<\/td>\n<td style=\"padding: 10px 10px 12px; line-height: 20px;\"><strong>\u7ecf\u6d4e\u5b66\u4eba\u53d1\u8868\u4e86\u4e00\u7bc7\u6587\u7ae0\u8c08\u8bba\u4e86 Python \u8bed\u8a00\u53ca\u5176\u793e\u533a\uff0c\u4ee5\u53ca\u521a\u521a\u8f9e\u804c\u7684\u7ec8\u8eab\u4ec1\u6148\u72ec\u88c1\u8005 Guido van Rossum\u3002<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>GCC 8.2 \u53d1\u5e03\u4e86\uff0cGCC 8.2 \u662f GCC 8 \u5206\u652f\u7684 bug \u4fee\u590d\u7248\u672c\uff0c\u5176\u4e2d\u5305\u542b\u5bf9 GCC 8.1 \u4e2d\u7684\u56de\u5f52\u548c\u4e25\u91cd bug \u7684\u91cd\u8981\u4fee\u590d\uff0c\u81ea\u4e0a\u4e00\u7248\u672c\u4ee5\u6765\u4fee\u590d\u4e86\u8d85\u8fc7 99 \u4e2a\u9519\u8bef\u3002GCC\uff08GNU Compiler Collection\uff0cGNU\u7f16\u8bd1\u5668\u5957\u88c5\uff09\uff0c\u662f\u4e00\u5957\u7531 GNU \u5f00\u53d1\u7684\u7f16\u7a0b\u8bed\u8a00\u7f16\u8bd1\u5668\u3002\u5b83\u662f\u4e00\u5957\u4ee5 GPL \u53ca LGPL \u8bb8\u53ef\u8bc1\u6240\u53d1\u884c\u7684\u81ea\u7531\u8f6f\u4ef6\uff0c\u4e5f\u662f GNU\u8ba1\u5212 \u7684\u5173\u952e\u90e8\u5206\uff0c\u4ea6\u662f\u81ea\u7531\u7684 \u7c7bUnix \u53ca\u82f9\u679c\u8ba1\u7b97\u673a Mac OS X \u64cd\u4f5c\u7cfb\u7edf\u7684\u6807\u51c6\u7f16\u8bd1\u5668\u3002GCC\uff08\u7279\u522b\u662f\u5176\u4e2d\u7684C\u8bed\u8a00\u7f16\u8bd1\u5668\uff09\u4e5f\u5e38\u88ab\u8ba4\u4e3a\u662f\u8de8\u5e73\u53f0\u7f16\u8bd1\u5668\u7684\u4e8b\u5b9e\u6807\u51c6\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-91733\" src=\"https:\/\/gulass.cn\/wp-content\/uploads\/2017\/12\/gcc-command-01.jpg\" alt=\"\" width=\"505\" height=\"249\" srcset=\"https:\/\/gulass.cn\/wp-content\/uploads\/2017\/12\/gcc-command-01.jpg 505w, https:\/\/gulass.cn\/wp-content\/uploads\/2017\/12\/gcc-command-01-300x148.jpg 300w\" sizes=\"auto, (max-width: 505px) 100vw, 505px\" \/><br \/>\n\u4fee\u590d\u4e86\u6784\u5efa\u5927\u578b\u4e8c\u8fdb\u5236\u6587\u4ef6\u65f6\u5206\u533a\u7b97\u6cd5\u6ea2\u51fa\u5bfc\u81f4\u7684LTO\u94fe\u8def\u65f6\u95f4\u6027\u80fd\u95ee\u9898\u3002<\/p>\n<div   id="7zif2anh9s"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>\u8bed\u8a00\u66f4\u65b0<\/strong><\/div>\n<p>C++<br \/>\n\u4fee\u590d\u4e86 GCC 8.1 \u4e2d\u5f15\u5165\u7684\u4e00\u4e2a\u9519\u8bef\uff0c\u8be5\u9519\u8bef\u5f71\u54cd\u4e86\u5e26\u6709\u5220\u9664\u7684\u590d\u5236\u6784\u9020\u51fd\u6570\u548c\u9ed8\u8ba4\u7684\u666e\u901a\u79fb\u52a8\u6784\u9020\u51fd\u6570\u7684\u7c7b\u7684\u4f20\u9012\u6216\u8fd4\u56de (bug c++\/86094)\u3002<\/p>\n<p>GCC 8.2 \u5f15\u5165 -fabi-version=13 \u5e76\u5c06\u5176\u4f5c\u4e3a\u9ed8\u8ba4\u503c\uff0cGCC 8.1 \u548c 8.2 \u4e4b\u95f4\u7684 ABI \u4e0d\u517c\u5bb9\u6027\u53ef\u4ee5\u7528 -Wabi=12 \u62a5\u544a GCC 8.2\u3002<\/p>\n<div   id="7zif2anh9s"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>\u76ee\u6807\u66f4\u65b0<\/strong><\/div>\n<p>IA-32\/x86-64<br \/>\n-mtune=native \u82f1\u7279\u5c14 Skylake \u5904\u7406\u5668\u4e0a\u7684\u6027\u80fd\u56de\u5f52 PR84413 \u5df2\u5f97\u5230\u4fee\u590d\u3002\u5bf9\u8be5\u95ee\u9898\u7684\u4fee\u590d\u8ba1\u5212\u6211\u4eec\u5728\u4e4b\u524d\u7684\u6587\u7ae0\u4e2d\u5df2\u7ecf\u62a5\u5bfc\u8fc7\u3002<\/p>\n<p>\u8be6\u60c5\u53ef\u4ee5\u67e5\u770b\u66f4\u65b0\u65e5\u5fd7\u3002<\/p>\n<blockquote>\n<p style=\"text-align: left; color: #88a6a4;\">\u539f\u6587\u6765\u81ea\uff1a<a href=\"https:\/\/www.oschina.net\/news\/98397\/gcc-8-2-released\" target=\"_blank\" rel=\"noopener\">https:\/\/www.oschina.net\/news\/98397\/gcc-8-2-released<\/a><\/p>\n<p style=\"text-align: left; color: #88a6a4;\">\u672c\u6587\u5730\u5740\uff1a<a href=\"https:\/\/gulass.cn\/gcc8-2.html\" target=\"_blank\" rel=\"noopener\">https:\/\/gulass.cn\/gcc8-2.html<\/a><span style=\"float: right;\">\u7f16\u8f91\uff1a\u5510\u8d44\u5bcc\uff0c\u5ba1\u6838\u5458\uff1a\u9004\u589e\u5b9d<\/span><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>\u5bfc\u8bfb \u7ecf\u6d4e\u5b66\u4eba\u53d1\u8868\u4e86\u4e00\u7bc7\u6587\u7ae0\u8c08\u8bba\u4e86 Python \u8bed\u8a00\u53ca\u5176\u793e\u533a\uff0c\u4ee5\u53ca\u521a\u521a\u8f9e\u804c\u7684\u7ec8\u8eab\u4ec1\u6148\u72ec\u88c1\u8005 Guido va [&hellip;]<\/p>\n","protected":false},"author":63,"featured_media":44334,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[21],"tags":[],"class_list":["post-113734","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/posts\/113734","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/users\/63"}],"replies":[{"embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/comments?post=113734"}],"version-history":[{"count":3,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/posts\/113734\/revisions"}],"predecessor-version":[{"id":113986,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/posts\/113734\/revisions\/113986"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/media\/44334"}],"wp:attachment":[{"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/media?parent=113734"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/categories?post=113734"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/tags?post=113734"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}