[Bug tree-optimization/32309] Unnecessary conversion from short to unsigend short breaks vectorization

[gangren at google dot com]

------- Comment #2 from gangren at google dot com  2007-06-12 17:28 -------
(In reply to comment #1)
> The conversions are not Unnecessary, they are necessary because
> short_var+short_var when that would overflow the range of short is still
> defined.
> 

Do you mean that short_var + short_var is defined as (short)((unsigned
short)short_var + (unsigned short)short_var)?


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32309