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Re: patch to improve x86_adjust_cost
- To: Jan Hubicka <hubicka at atrey dot karlin dot mff dot cuni dot cz>, egcs-patches at egcs dot cygnus dot com
- Subject: Re: patch to improve x86_adjust_cost
- From: Richard Henderson <rth at cygnus dot com>
- Date: Tue, 13 Apr 1999 14:39:47 -0700
- References: <19990413160048.57561@atrey.karlin.mff.cuni.cz>
On Tue, Apr 13, 1999 at 04:00:48PM +0200, Jan Hubicka wrote:
> * i386.c (x86_adjust_cost): Agi stall takes 1 cycle on Pentium, fst
> requires value to be ready one extra cycle.
> ! return 3;
> --- 5594,5600 ----
> ! return 2;
How can I tell? Shouldn't this just be cost+1 then?
r~