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Date: Sat, 22 Feb 2020 19:19:42 -0500
From: Rich Felker <>
Subject: Re: Q: dealing with missing removal of excess precision

On Sat, Feb 22, 2020 at 11:21:58PM +0300, Alexander Monakov wrote:
> On Sat, 22 Feb 2020, Rich Felker wrote:
> > Can you comment on these bugs? Now that the 1.2.0 release is out I'd
> > like to follow up with reviewing/merging these.
> Sure, but before I do that I'd like to understand better how the review
> process is going to work.
> In particular, wouldn't it make more sense to wait until after you make
> your round of reviews, so that your examination is not biased by what
> I reveal?

I'm not well acquainted with SSE, and only so-so with x87, so pretty
much I'm reading them for higher-level issues with tooling
compatibility (like the concerns I already raised and looked up and
seem to have resolved about x87 constraints and non-GCC compilers) and
logic, then planning to apply and test them. I think being aware of
non-obvious mistake modes that have already been found would be a lot
more useful than staring at things, especially if the bugs you've
found are in subtleties of the insn behavior or constraint behavior.


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