Path: utzoo!utgpu!water!watmath!clyde!cbosgd!ihnp4!homxb!mtuxo!mtune!rutgers!sri-spam!ames!umd5!purdue!i.cc.purdue.edu!j.cc.purdue.edu!pur-ee!uiucdcs!uxc.cso.uiuc.edu!uicsgva!steven From: steven@uicsgva.UUCP Newsgroups: comp.sys.ibm.pc Subject: Re: QC problems Message-ID: <4600003@uicsgva> Date: 11 Jan 88 01:42:00 GMT References: <3790@rosevax.Rosemount.COM> Lines: 11 Nf-ID: #R:rosevax.Rosemount.COM:3790:uicsgva:4600003:000:559 Nf-From: uicsgva.UUCP!steven Jan 10 19:42:00 1988 > One other note: If you type cl /help you'll see the /On option listed under > optimization options. /On turns off dangerous optimizations. Is there any > MS documentation on what constitutes a 'dangerous' optimization? I wasn't > able to find any. Like most of the questions lately about MSC, its in the readme. They talk about two problems, one having to do with moving constant code out of loops and one having to do with modifying the way loop indexs are calculated. Other news articles have mentioned a lot of problems with using inline instrinsics.