Path: csiph.com!weretis.net!feeder6.news.weretis.net!news.misty.com!news.iecc.com!.POSTED.news.iecc.com!nerds-end From: Cliff Click Newsgroups: comp.compilers Subject: binary search debugging of compilers Date: Fri, 19 May 2023 10:47:07 -0700 Organization: Compilers Central Sender: johnl@iecc.com Approved: comp.compilers@iecc.com Message-ID: <23-05-023@comp.compilers> References: <23-05-013@comp.compilers> <23-05-018@comp.compilers> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Info: gal.iecc.com; posting-host="news.iecc.com:2001:470:1f07:1126:0:676f:7373:6970"; logging-data="20349"; mail-complaints-to="abuse@iecc.com" Keywords: debug, tools Posted-Date: 19 May 2023 15:57:36 EDT X-submission-address: compilers@iecc.com X-moderator-address: compilers-request@iecc.com X-FAQ-and-archives: http://compilers.iecc.com Content-Language: en-US Xref: csiph.com comp.compilers:3479 HotSpot C2 compiler has a set of -XX debugging flags for doing binary search on top-level methods to compile with C2 (or C1 or interpret), and a similar control over which methods to inline. While I was at Sun I had a bisect shell script to narrow down failing compilations (and trim the set of inlined methods). Cliff