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authorRoland McGrath <roland@gnu.org>2004-10-24 19:23:43 +0000
committerRoland McGrath <roland@gnu.org>2004-10-24 19:23:43 +0000
commit89c235754c8986b6394a969e92f75ba63ecbbf7c (patch)
tree880ae7f5c447ad63bc171148fc4b90ff102eecb2 /sysdeps/i960/sub_n.s
parent8aeb5058b6457cf9ca8d76026cbb60ca07015570 (diff)
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Ancient files moved to ports repository
Diffstat (limited to 'sysdeps/i960/sub_n.s')
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diff --git a/sysdeps/i960/sub_n.s b/sysdeps/i960/sub_n.s
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index 13ebbfa9f2..0000000000
--- a/sysdeps/i960/sub_n.s
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@@ -1,21 +0,0 @@
-.text
- .align 4
- .globl ___mpn_sub_n
-___mpn_sub_n:
- mov 1,g6 # set carry-save register
- cmpo 1,0 # clear cy
-
-Loop: subo 1,g3,g3 # update loop counter
- ld (g1),g5 # load from s1_ptr
- addo 4,g1,g1 # s1_ptr++
- ld (g2),g4 # load from s2_ptr
- addo 4,g2,g2 # s2_ptr++
- cmpo g6,1 # restore cy from g6, relies on cy being 0
- subc g4,g5,g4 # main subtract
- subc 0,0,g6 # save cy in g6
- st g4,(g0) # store result to res_ptr
- addo 4,g0,g0 # res_ptr++
- cmpobne 0,g3,Loop # when branch is taken, cy will be 0
-
- mov g6,g0
- ret