This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.
Index Nav: | [Date Index] [Subject Index] [Author Index] [Thread Index] | |
---|---|---|
Message Nav: | [Date Prev] [Date Next] | [Thread Prev] [Thread Next] |
Other format: | [Raw text] |
John Parkes <jp012c6013@blueyonder.co.uk> writes:another way is to set MEM_VOLATILE on the save and restore.
My port has RTL pro/epilogue. I'm trying to implement the `interrupt' attribute. How do I tell life analysis that call clobbered registers are live at function exit, to prevent it trying to delete restores of those registers in the epilogue ?
One way would be to add them to EPILOGUE_USES.
-- Nathan Sidwell :: http://www.codesourcery.com :: CodeSourcery LLC nathan@codesourcery.com :: http://www.planetfall.pwp.blueyonder.co.uk
Index Nav: | [Date Index] [Subject Index] [Author Index] [Thread Index] | |
---|---|---|
Message Nav: | [Date Prev] [Date Next] | [Thread Prev] [Thread Next] |