m80387

Specifies whether the compiler can use x87 instructions.

Syntax

Linux and macOS:

-m80387

-mno-80387

Windows:

None

Arguments

None

Default

-m80387

The compiler may use x87 instructions.

Description

This option specifies whether the compiler can use x87 instructions.

If you specify option -mno-80387, it prevents the compiler from using x87 instructions. If the compiler is forced to generate x87 instructions, it issues an error message.

IDE Equivalent

None

Alternate Options

-m[no-]x87