From: Joern Rennecke <joern.rennecke@superh.com>
To: Ulrich Weigand <weigand@immd1.informatik.uni-erlangen.de>
Cc: gcc@gcc.gnu.org
Subject: Re: RFD: constraint letter suffixes
Date: Mon, 06 Jan 2003 17:50:00 -0000 [thread overview]
Message-ID: <3E19B0A3.2074B34E@superh.com> (raw)
In-Reply-To: <200212241410.PAA08511@faui11.informatik.uni-erlangen.de>
P.S.: While I am at rewriting all that code, I think I might as well
replace uses of REG_CLASS_FROM_LETTER (*str) with
REG_CLASS_FROM_CONSTRAINT (*str, str) ; we can leave the definition
of the latter as hard-coded to use the former now, but if we ever need
more register class specifications (or just want to make the choice a bit
more intuitive, e.g. if you have ten flavours of slightly different arcane
floating point register classes (leaving out certain registers, and
union / complement classes...), why should you scavange for disjoint
unused letters?), it'll be a simple change in defaults.h to support
overriding this macro.
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next prev parent reply other threads:[~2003-01-06 16:46 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-24 10:47 Ulrich Weigand
2003-01-06 14:21 ` Joern Rennecke
2003-01-06 17:50 ` Joern Rennecke [this message]
2003-01-13 21:28 ` Ulrich Weigand
2003-01-14 0:28 ` Joern Rennecke
2003-01-07 21:54 ` Joern Rennecke
-- strict thread matches above, loose matches on Subject: below --
2002-09-12 7:01 Joern Rennecke
2002-12-23 9:46 ` Joern Rennecke
2002-12-24 10:08 ` Joern Rennecke
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