[Bug target/32803] -Os: shorter load immediates for x86_64

dean at arctic dot org gcc-bugzilla@gcc.gnu.org
Thu Sep 17 11:06:00 GMT 2009



------- Comment #7 from dean at arctic dot org  2009-09-17 11:06 -------
(In reply to comment #6)
> Without accounting for the push/pop in CFI you will not be able to accurately
> process asynchronous unwind events.
> 

just to be sure i understand -- you're saying a %rsp modification in a binary
which requires unwind information is not a space savings.  that's fine with me,
but not all binaries have unwind information.

-dean


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32803



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