Update.
[glibc.git] / sysdeps / i960 / add_n.s
blob6031f6d4c35be44e82e4e164a879fe69e3a94c3b
1 .text
2 .align 4
3 .globl ___mpn_add_n
4 ___mpn_add_n:
5 mov 0,g6 # clear carry-save register
6 cmpo 1,0 # clear cy
8 Loop: subo 1,g3,g3 # update loop counter
9 ld (g1),g5 # load from s1_ptr
10 addo 4,g1,g1 # s1_ptr++
11 ld (g2),g4 # load from s2_ptr
12 addo 4,g2,g2 # s2_ptr++
13 cmpo g6,1 # restore cy from g6, relies on cy being 0
14 addc g4,g5,g4 # main add
15 subc 0,0,g6 # save cy in g6
16 st g4,(g0) # store result to res_ptr
17 addo 4,g0,g0 # res_ptr++
18 cmpobne 0,g3,Loop # when branch is taken, clears C bit
20 mov g6,g0
21 ret