optimization/743: -mpreferred-stack-boundary doesn't work in all cases on ix86

[ronis@onsager.chem.mcgill.ca]

>Number:         743
>Category:       optimization
>Synopsis:       -mpreferred-stack-boundary doesn't work in all cases on ix86
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Nov 07 06:36:00 PST 2000
>Closed-Date:
>Last-Modified:
>Originator:     David Ronis (for Steven Johnson)
>Release:        Current Snapshot
>Organization:
>Environment:
ix86-linux(2.2.17)-gnu(2.1.3)
>Description:
The attached code shows that code doesn't get aligned.  I've
compiled with various settings for -malign-functions
and -mpreferred-stack-boundary

This clearly isn't a release stopper, but perhaps a note
in the info page whould be in order.
>How-To-Repeat:
Compile with -malign-functions=3 -mpreferred-stack-boundary=3
-malign-jumps=3.    When I run, I get:

>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted:
 >a.out
 one 1
 Abort
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