This is the mail archive of the binutils@sources.redhat.com mailing list for the binutils project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: [patch] MIPS64: Use non-trapping "daddu" in macro expansions

From: Thiemo Seufer <ica2_ts at csv dot ica dot uni-stuttgart dot de>
To: binutils at sources dot redhat dot com
Date: Fri, 5 Jul 2002 02:59:13 +0200
Subject: Re: [patch] MIPS64: Use non-trapping "daddu" in macro expansions
References: <Pine.GSO.3.96.1020704152652.11369H-100000@delta.ds2.pg.gda.pl>

Maciej W. Rozycki wrote:
> Hello,
> 
>  I believe it's incorrect to use "dadd" to calculate addresses as we don't
> handle overflow traps in any manner.  That is strictly system-dependent
> and should be handled at the compiler level, anyway.  I propose switching
> to "daddu".

The expansion mentioned in the MIPS ELF64 ABI draft uses "dadd",
that's why I used it. The draft has some more weirdnesses in this
section. I believe your patch is ok.

Thiemo

References:
- [patch] MIPS64: Use non-trapping "daddu" in macro expansions
  - From: Maciej W. Rozycki

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]