Control the number registers used to pass integer arguments.
Windows: None
Linux: None
Mac OS X: None
IA-32, Intel® 64 architectures
Linux and Mac OS X:  | -mregparm=value  | 
Windows:  | None  | 
None
OFF  | 
The compiler does not use registers to pass arguments.  | 
Control the number registers used to pass integer arguments.
None
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