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693069
2016 Sep 22
2
RFC: Adding Register Calling Convention Support
Hi All,
The Register Calling Convention (RegCall) was introduced by Intel to optimize parameter transfer on function call.
This calling convention ensures that as many values as possible are passed or returned in registers.
To use RegCall, place the keyword before a function declaration. For example:
__regcall int foo (int i, int j); // Windows OS
__attribute__((regcall)) foo (int I, int j); //