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Re: cmov optimizations
- To: Richard Henderson <rth at cygnus dot com>
- Subject: Re: cmov optimizations
- From: Jeffrey A Law <law at cygnus dot com>
- Date: Tue, 02 Jun 1998 23:07:09 -0600
- cc: egcs-patches at cygnus dot com
- Reply-To: law at cygnus dot com
In message <19980602220525.A17867@dot.cygnus.com>you write:
> On Tue, Jun 02, 1998 at 10:43:02PM -0600, Jeffrey A Law wrote:
> > One of the other things what would be interesting would be to allow a
> > more complex operand1 or operand2. They could be memory loads, shifts,
> > or any other single instruction on the PA.
>
> Are you talking about conditional move or conditional execution?
> The difference in my mind being
On the PA, we actually use conditional execution to implement conditional
moves. :-)
> In light of this, it seems to me that you'd want to treat conditional
> execution different from conditional move. Which is what I thought we
> did. Which is confusing me about what you are describing here wrt
> the PA.
Our conditional execution support is limited at best.
jeff