1 # IBM POWER __gmpn_lshift --
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5 # This file is part of the GNU MP Library.
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32 .csect __gmpn_lshift[DS]
34 .long .__gmpn_lshift, TOC[tc0], 0
42 mtctr 5 # put limb count in CTR loop register
43 lu 0,-4(4) # read most significant limb
44 sre 3,0,8 # compute carry out limb, and init MQ register
45 bdz Lend2 # if just one limb, skip loop
46 lu 0,-4(4) # read 2:nd most significant limb
47 sreq 7,0,8 # compute most significant limb of result
48 bdz Lend # if just two limb, skip loop
49 Loop: lu 0,-4(4) # load next lower limb
50 stu 7,-4(9) # store previous result during read latency
51 sreq 7,0,8 # compute result limb
52 bdn Loop # loop back until CTR is zero
53 Lend: stu 7,-4(9) # store 2:nd least significant limb
54 Lend2: sle 7,0,6 # compute least significant limb
55 st 7,-4(9) # store it" \