1 ;! HP-PA __mpn_sub_n -- Subtract two limb vectors of the same length > 0 and
2 ;! store difference in a third limb vector.
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6 ;! This file is part of the GNU MP Library.
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29 ;! One might want to unroll this as for other processors, but it turns
30 ;! out that the data cache contention after a store makes such
31 ;! unrolling useless. We can't come under 5 cycles/limb anyway.
37 .callinfo frame=0,no_calls
43 addib,= -1,%r23,L$end ;! check for (SIZE == 1)
44 sub %r21,%r20,%r28 ;! subtract first limbs ignoring cy
46 L$loop: ldws,ma 4(%r25),%r21
49 addib,<> -1,%r23,L$loop
52 L$end: stws %r28,0(%r26)