What does PHI node mean? [GCC Internals Manual]

[Ian Lance Taylor]

Cheng Renquan <crquan@gmail.com> writes:

> From: Andrew Haley <aph@redhat.com>
>> It's an interesting point.  Do you think that the gccint manual should
>> assume some knowledge of how optimizing compilers work?
>> It's explained in
>> Advanced Compiler Design and Implementation, Steven Muchnick, ISBN 1558603204
>> and
>> http://en.wikipedia.org/wiki/Static_single_assignment_form
>> We have never to my knowledge included links to Wikipedia in gcc
>> documentation, but this might be a good time to start.
>>
>> Andrew.
>
> Thank you, I've also found SSA 's meaning through its abbrev wikipedia entry,
>
> http://en.wikipedia.org/wiki/SSA

Search through that Wikipedia entry for the word "phi".

Ian