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Re: 2.95, x86: severe performance problems with short arithmetic
- To: Zack Weinberg <zack at bitmover dot com>
- Subject: Re: 2.95, x86: severe performance problems with short arithmetic
- From: Jeffrey A Law <law at cygnus dot com>
- Date: Fri, 13 Aug 1999 00:40:03 -0600
- cc: Richard Henderson <rth at cygnus dot com>, John Wehle <john at feith dot com>, gcc at gcc dot gnu dot org
- Reply-To: law at cygnus dot com
In message <199908122020.NAA24484@zack.bitmover.com>you write:
> I did. One problem leaps out at me: PROMOTE_MODE does math in HImode
> and fixes up the registers afterward - for example:
Ugh. Why don't you look at WORD_REGISTER_OPERATIONS or something like that,
which may be a better alternative.
jeff