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Re: RTL alias analysis
* Richard Guenther <richard.guenther@gmail.com> [060122 14:23]:
> [...] The correct solution for converting
> a float to an integer (bit-representation) as in the expample is to use
> two different memory locations and memcpy (which avoids aliasing
> issues by means of using the special rules for access through 'char').
But only in that example. In general memcpy might be optimized to some
assignment causing a SIGBUS if gcc thinks it is save but it is not.
(like a misaligned pointer to a struct where some member is accessed).
Hochachtungsvoll,
Bernhard R. Link