[Bug c/12284] Add feature of preserving processor state in functions written in C

[pinskia at gcc dot gnu dot org]

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12284



------- Additional Comments From pinskia at gcc dot gnu dot org  2003-09-15 14:30 -------
I think you want to use the option:
-fcall-used-<register>  Mark <register> as being corrupted by function calls.