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Date: | Wed, 23 Sep 1998 14:15:28 +0300 (IDT) |
From: | Eli Zaretskii <eliz AT is DOT elta DOT co DOT il> |
To: | Doug Gale <dgale AT mailexcite DOT com> |
cc: | djgpp AT delorie DOT com |
Subject: | Re: Optimizations |
In-Reply-To: | <3604F82B.68D16BCF@mailexcite.com> |
Message-ID: | <Pine.SUN.3.91.980923141458.1392O-100000@is> |
MIME-Version: | 1.0 |
On Sun, 20 Sep 1998, Doug Gale wrote: > the compiler generates this (strange) code: > > movl $0,nFront > movl nFront,%ebx > movl %ebx,nBack > movl %ebx,nOnPlane > > Why read a constant from memory after storing it? I expected something like > this: > > xorl %ebx,%ebx > movl %ebx,nFront > movl %ebx,nBack > movl %ebx,nOnPlane IMHO, you should talk to GCC developers to understand whether this is a bug or a feature.
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