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Re: Value Range Propagation Pass Status
- To: John Wehle <john at feith dot com>
- Subject: Re: Value Range Propagation Pass Status
- From: Michael Hayes <m dot hayes at elec dot canterbury dot ac dot nz>
- Date: Fri, 4 Feb 2000 15:15:40 +1300 (NZDT)
- Cc: gcc at gcc dot gnu dot org
- References: <200002040035.TAA22792@jwlab.FEITH.COM>
John Wehle writes:
> I've been working on a pass (when time has allowed :-) to track
> and make use of value ranges associated with pseudo registers.
Great. I coded a naive implementation about a year ago as an
experiment. My goal was to estimate bounds on loop iterations.
Could your pass be run before loop optimisation so that we can acquire
this information for the loop optimizer?
Michael.