VMS Help — MACRO /ALPHA Lexical Operators, %FREG Example
; Is TARG_REG the same as F31?
.IF EQ, <%FREG(TARG_REG)>, <%FREG(31)>
If TARG_REG has been defined as floating-point register F5, the
statements appear as follows after lexical processing:
; Is TARG_REG the same as F31?
.IF EQ, <5>, <31>