[Bug tree-optimization/31169] Bootstrap comparison error at revision 122821

["rth at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>]

------- Comment #40 from rth at gcc dot gnu dot org  2007-03-30 16:14 -------
The reason we do that is to match the way the arithmetic would be performed
on the host as much as possible.  This could be important if someother part
of the compiler already relied on SHIFT_COUNT_TRUNCATED to eliminate a 
masking operation on the shift count, or somesuch.

I don't think this is obvious at all.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31169

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