REGG    = REG_R30 /* G */
	REGTMP  = REG_R31 /* used by the linker */
	FREGRET = REG_F0
	FREGMIN = REG_F17 /* first register variable */
	FREGMAX = REG_F26 /* last register variable for 9g only */
	FREGEXT = REG_F26 /* first external register */
)

// OpenPOWER ABI for Linux Supplement Power Architecture 64-Bit ELF V2 ABI