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

[vries at gcc dot gnu.org]

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

--- Comment #6 from vries at gcc dot gnu.org ---
Created attachment 33618
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33618&action=edit
[1/2] Use fuse-caller-save-info in cprop-hardreg