On Fri, Jan 11, 2019 at 07:49:54PM +0000, Richard Sandiford wrote:
> FWIW, I think this is papering over a deeper issue,

Most certainly.  At the very least there's the fact that many places
in the compiler that call attr_min_value (via other functions) don't
bother checking for an INT_MAX return.  I also didn't try to analyse
why bb-reorder.c making wrong decisions due to confused copy_bb_p and
similar predicates led to hppa not replacing short branches with
longer ones.  So there are likely to be some final.c issues too.

-- 
Alan Modra
Australia Development Lab, IBM

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