Newsgroups: comp.lang.c++ Path: utzoo!henry From: henry@utzoo.uucp (Henry Spencer) Subject: Re: Assembly or .... Message-ID: <1988Dec1.194942.15124@utzoo.uucp> Organization: U of Toronto Zoology References: <318@orbit.UUCP> Date: Thu, 1 Dec 88 19:49:42 GMT In article <318@orbit.UUCP> shawn@pnet51.cts.com (Shawn Stanley) writes: >... I've never used an optimizing compiler that could take advantage of >processor flags that logically must be set a certain way from a previous but >related operation and avoid checking something more than once... > >It may just be the compilers I've used (two MS-DOS compilers, one SCO Xenix >compiler, and two Apple II compilers)... You've never used an optimizing compiler, period. The micro market is notorious for lousy compilers. This particular optimization has been in production-quality C compilers from the beginning. -- SunOSish, adj: requiring | Henry Spencer at U of Toronto Zoology 32-bit bug numbers. | uunet!attcan!utzoo!henry henry@zoo.toronto.edu