__mtfsb0, __builtin_ppc_mtfsb0

Purpose

Move to Floating-Point Status/Control Register (FPSCR) Bit 0

Sets bit bt of the FPSCR to 0.

Prototype

void __builtin_ppc_mtfsb0 (unsigned int bt);

void __mtfsb0 (unsigned int bt);

Note:
  • The built-in function in the form of __name is a synonym of the built-in function in the form of __builtin_ppc_name.
  • The built-in function in the form of __name is provided for compatibility with IBM® XL C/C++ for AIX® 16.1.0 or earlier releases. This built-in function form might be deprecated in the future.

Parameters

bt
Must be a constant with a value of 0 to 31.