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From: | Kelsey Bjarnason <kelseyb AT xxspamxx DOT telus DOT net> |
Subject: | Re: gcc 2.953 output - is this a bug? |
Newsgroups: | comp.os.msdos.djgpp,comp.lang.c |
Message-ID: | <pan.2002.02.12.01.01.51.570132.27481@xxspamxx.telus.net> |
References: | <3C61E6BB DOT 7F9AD526 AT yahoo DOT com> <87d6zim2vy DOT fsf AT pfaff DOT stanford DOT edu> <3C620456 DOT 967C433F AT yahoo DOT com> |
User-Agent: | Pan/0.11.1.91 (Unix) |
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X-Comment-To: | "CBFalconer" <cbfalconer AT yahoo DOT com> |
Lines: | 17 |
Date: | Tue, 12 Feb 2002 09:05:01 GMT |
NNTP-Posting-Host: | 216.232.62.170 |
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NNTP-Posting-Date: | Tue, 12 Feb 2002 02:05:01 MST |
To: | djgpp AT delorie DOT com |
DJ-Gateway: | from newsgroup comp.os.msdos.djgpp |
Reply-To: | djgpp AT delorie DOT com |
[snips] On Wed, 06 Feb 2002 20:51:47 -0800, CBFalconer wrote: > Thanks. If I had a handy x86 manual I *might* have eventually figured > it out. Incidentally, I found that gcc generated better code for: > > h = h * 31UL + *string++; > than for: > h = (h << 5) - h; > h += *string++; > > the latter used an additional temporary. Which proves something or > other. That once again, "Optimize your algorithms, not your source code" is wisdom to live by? :)
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