[Bug translator/2339] New: optimize out unnecessary copies and assignments

["hunt at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

Simple concatenations like
str = str."foo"
generate 3 strcpys and a strcat.

x = 5
first copies 5 to a temporary variable then sets x to the temporary variable.

x++
copies 1 to a temporary variable then copies x to a temporary variable, then
adds the two temp and sets x to that,

Is there anything that can be done to make this more efficient?

-- 
           Summary: optimize out unnecessary copies and assignments
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: translator
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: hunt at redhat dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=2339

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