2から4本のレジスターをアプリケーションに割り当てるって事なのかなぁ
man gcc
-mapp-regs
Specify -mapp-regs to generate output using the global registers 2
through 4, which the SPARC SVR4 ABI reserves for applications.
This is the default.
man gcc
-mapp-regs
Specify -mapp-regs to generate output using the global registers 2
through 4, which the SPARC SVR4 ABI reserves for applications.
This is the default.