[Bug middle-end/16660] attribute((aligned)) doesn't work for variables on the stack for greater than required alignement

[hjl at lucon dot org]

------- Comment #7 from hjl at lucon dot org  2007-10-03 22:04 -------
What is the performance impact of

http://gcc.gnu.org/ml/gcc-patches/2007-05/msg01167.html

Intel compiler has a very efficient way to align the stack:

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28074

It saves stack pointer in frame pointer. Can we implement it for suitable
cases/backends and properly handle

1. tail call optimization.
2. stack unwind.
3. nested functions.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16660