Reference Guide

64 Chapter 4
Assembler Directives and Pseudo-Operations
.CALL Directive
parameters in both the corresponding general registers and
corresponding floating-point registers. See the documents under the
topic PA-RISC Architecture at URL: http://www.software.hp.com/STK/.
The form of argument-description is:
arg=location
where arg can
be:
ARGWO The first word in the argument list.
ARGW1 The second word in the argument list.
ARGW2 The third word in the argument list.
ARGW3 The fourth word in the argument list.
RTNVAL The return value for a procedure.
and location can
be:
NO The argument word cannot be
relocated. This should be used for all
nonfloating-point arguments; it is the
default when an
argument-description is omitted.
GR The argument word occurs in a
general register.
FR The argument word occurs in a
floating point register.
FU The argument word occurs in the
upper half of a floating-point register.
Example
This example shows the use of the .CALL directive in 32-bit mode.