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primes2_i.pasm
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primes2_i.pasm
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# Copyright (C) 2001-2003 The Perl Foundation. All rights reserved.
# $Id$
=head1 NAME
examples/benchmarks/primes2.pasm - Calculate prime numbers < 10000
=head1 SYNOPSIS
% time ./parrot examples/benchmarks/primes2.pasm
=head1 DESCRIPTION
Calculates all the prime numbers up to 10000 and prints out the number
of primes and the last one found.
=cut
set I1, 0
set I3, 0
set I4, 10000
LOOP:
save I1
bsr PRIMECHECK
restore I9
unless I9, NOTPRIME
#ISPRIME:
inc I6
set I7, I1
NOTPRIME:
inc I1
ne I1,I4, LOOP
DONE:
print"N primes calculated to "
print I1
print " is "
print I6
print "\n"
print "last is: "
print I7
print "\n"
end
PRIMECHECK:
saveall
restore I5
lt I5,1,ret0
set I6,I5
dec I6
NLOOP:
le I6, 1, ret1
cmod I7, I5, I6
eq I7, 0, ret0
dec I6
branch NLOOP
# is prime
ret1:
set I0, 1
save I0
restoreall
ret
ret0:
set I0, 0
save I0
restoreall
ret
=head1 SEE ALSO
F<examples/benchmarks/primes.c>,
F<examples/benchmarks/primes.pasm>,
F<examples/benchmarks/primes.pl>,
F<examples/benchmarks/primes2_p.pasm>,
F<examples/benchmarks/primes2.c>,
F<examples/benchmarks/primes2.py>.
=cut