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+ .text
+ .align 3
+ .globl __gmpn_sub_nc
+ .type __gmpn_sub_nc,@function
+__gmpn_sub_nc:
+ cmp xzr, x4
+ b .Lent
+ .size __gmpn_sub_nc,.-__gmpn_sub_nc
+ .text
+ .align 3
+ .globl __gmpn_sub_n
+ .type __gmpn_sub_n,@function
+__gmpn_sub_n:
+ cmp xzr, xzr
+.Lent: lsr x18, x3, #2
+ tbz x3, #0, .Lbx0
+
+.Lbx1: ldr x7, [x1]
+ ldr x11, [x2]
+ sbcs x13, x7, x11
+ str x13, [x0],#8
+ tbnz x3, #1, .Lb11
+
+.Lb01: cbz x18, .Lret
+ ldp x4, x5, [x1,#8]
+ ldp x8, x9, [x2,#8]
+ sub x1, x1, #8
+ sub x2, x2, #8
+ b .Lmid
+
+.Lb11: ldp x6, x7, [x1,#8]
+ ldp x10, x11, [x2,#8]
+ add x1, x1, #8
+ add x2, x2, #8
+ cbz x18, .Lend
+ b .Ltop
+
+.Lbx0: tbnz x3, #1, .Lb10
+
+.Lb00: ldp x4, x5, [x1]
+ ldp x8, x9, [x2]
+ sub x1, x1, #16
+ sub x2, x2, #16
+ b .Lmid
+
+.Lb10: ldp x6, x7, [x1]
+ ldp x10, x11, [x2]
+ cbz x18, .Lend
+
+ .align 4
+.Ltop: ldp x4, x5, [x1,#16]
+ ldp x8, x9, [x2,#16]
+ sbcs x12, x6, x10
+ sbcs x13, x7, x11
+ stp x12, x13, [x0],#16
+.Lmid: ldp x6, x7, [x1,#32]!
+ ldp x10, x11, [x2,#32]!
+ sbcs x12, x4, x8
+ sbcs x13, x5, x9
+ stp x12, x13, [x0],#16
+ sub x18, x18, #1
+ cbnz x18, .Ltop
+
+.Lend: sbcs x12, x6, x10
+ sbcs x13, x7, x11
+ stp x12, x13, [x0]
+.Lret: cset x0, cc
+ ret
+ .size __gmpn_sub_n,.-__gmpn_sub_n