From: Joern Rennecke <amylaar@cygnus.co.uk>
To: tprince@cat.e-mail.com
Cc: bosch@gnat.com, burley@gnu.org, egcs@cygnus.com,
hjstein@bfr.co.il, jbuck@Synopsys.COM, law@cygnus.com,
moshier@mediaone.net
Subject: Re: REASSOCIATION
Date: Thu, 17 Dec 1998 18:26:00 -0000 [thread overview]
Message-ID: <199812180226.CAA25657@phal.cygnus.co.uk> (raw)
In-Reply-To: <4.19981217.17.26.32.859862@cat.e-mail.com>
> Not AFAIK for C or Fortran based languages. What we're talking
> about is the ability to let the programmer choose between
> specifying the order of evaluation, without the translator caring
> why, or letting the translator exploit the usual associativity rules
> to come up with more efficient scheduling.
Now this is one more argument for 80-bit-spills on the x86: if we do that,
and the -ffast-math flag is used, then it should be fine to reassociate
floating point multiplies.
next prev parent reply other threads:[~1998-12-17 18:26 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
1998-12-17 14:26 REASSOCIATION tprince
1998-12-17 18:26 ` Joern Rennecke [this message]
-- strict thread matches above, loose matches on Subject: below --
1998-12-19 5:30 Reassociation Stephen L Moshier
1998-12-20 15:36 ` Reassociation Richard Henderson
1998-12-20 16:22 ` Reassociation Stephen L Moshier
1998-12-17 8:29 Reassociation tprince
1998-12-17 20:03 ` Reassociation Jeffrey A Law
1998-12-16 19:37 Reassociation tprince
1998-12-16 20:08 ` Reassociation Jeffrey A Law
1998-12-17 9:24 ` Reassociation Gavin Romig-Koch
1998-12-17 10:45 ` Reassociation Stephen L Moshier
1998-12-17 19:56 ` Reassociation Jeffrey A Law
1998-12-17 20:00 ` Reassociation Jeffrey A Law
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