[Bug rtl-optimization/61605] Potential optimization: Keep unclobbered argument registers live across function calls

[andi-gcc at firstfloor dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61605

Andi Kleen <andi-gcc at firstfloor dot org> changed:

           What    |Removed                     |Added
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                 CC|                            |andi-gcc at firstfloor dot org,
                   |                            |tom at codesourcery dot com

--- Comment #1 from Andi Kleen <andi-gcc at firstfloor dot org> ---
This is in theory implemented in mainline with -fuse-caller-save
It doesn't seem to work for me though. I also didn't see the option doing
anything on a larger program.