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9.34.4 Floating Point

The floating point formats generated by directives are these.

Single precision (32-bit) floating point constants.

If the -m64bit-doubles command line option has been specified then then double directive generates double precision (64-bit) floating point constants, otherwise it generates single precision (32-bit) floating point constants. To force the generation of 64-bit floating point constants used the dc.d directive instead.