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# Copyright (C) 2001-2008, Parrot Foundation.
=head1 NAME
examples/benchmarks/addit.pir - Variable Argument Subroutines
=head1 SYNOPSIS
% time ./parrot examples/benchmarks/addit.pir
=head1 DESCRIPTION
An IMC version of Joe Wilson's original PASM version of his C<varargs>
subroutines benchmark rewritten as it would be generated by a compiler
using Parrot calling conventions (PDD 3). It calls an "add it" function
50000 times in a loop and prints the result (21001097.970000).
=cut
.sub addit :main
.local pmc a0
a0 = new 'Integer'
a0 = 1000
.local pmc a1
a1 = new 'Float'
a1 = 7.100
.local pmc a2
a2 = new 'Integer'
a2 = 87
.local pmc a3
a3 = new 'String'
a3 = "3.87"
.local pmc a4
a4 = new 'String'
a4 = "21000000"
.local pmc x
x = new 'Integer'
x = 50000
AGAIN:
dec x
lt x, 0, FIN
.local pmc result
result = _varargs_adder(a0, a1, a2, a3, a4)
branch AGAIN
FIN:
print result
print "\n"
end
.end
.sub _varargs_adder
.param pmc a0
.param pmc a1
.param pmc a2
.param pmc a3
.param pmc a4
.local pmc sum
sum = new 'Float'
add sum, a0
add sum, a1
add sum, a2
add sum, a3
add sum, a4
.return (sum)
.end
=head1 SEE ALSO
F<examples/benchmarks/addit.pl>, F<examples/benchmarks/addit.pasm>,
F<examples/benchmarks/addit2.pir>.
=cut
# Local Variables:
# mode: pir
# fill-column: 100
# End:
# vim: expandtab shiftwidth=4 ft=pir:
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