diff options
Diffstat (limited to 'vere/ext/gmp/gen/aarch64-macos/mpn/add_n.s')
-rw-r--r-- | vere/ext/gmp/gen/aarch64-macos/mpn/add_n.s | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/vere/ext/gmp/gen/aarch64-macos/mpn/add_n.s b/vere/ext/gmp/gen/aarch64-macos/mpn/add_n.s new file mode 100644 index 0000000..5f2b539 --- /dev/null +++ b/vere/ext/gmp/gen/aarch64-macos/mpn/add_n.s @@ -0,0 +1,134 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + .text + .align 3 + .globl ___gmpn_add_nc + +___gmpn_add_nc: + cmp x4, #1 + b Lent + + .text + .align 3 + .globl ___gmpn_add_n + +___gmpn_add_n: + cmn xzr, xzr +Lent: lsr x17, x3, #2 + tbz x3, #0, Lbx0 + +Lbx1: ldr x7, [x1] + ldr x11, [x2] + adcs x13, x7, x11 + str x13, [x0],#8 + tbnz x3, #1, Lb11 + +Lb01: cbz x17, 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 x17, 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 x17, Lend + + .align 4 +Ltop: ldp x4, x5, [x1,#16] + ldp x8, x9, [x2,#16] + adcs x12, x6, x10 + adcs x13, x7, x11 + stp x12, x13, [x0],#16 +Lmid: ldp x6, x7, [x1,#32]! + ldp x10, x11, [x2,#32]! + adcs x12, x4, x8 + adcs x13, x5, x9 + stp x12, x13, [x0],#16 + sub x17, x17, #1 + cbnz x17, Ltop + +Lend: adcs x12, x6, x10 + adcs x13, x7, x11 + stp x12, x13, [x0] +Lret: cset x0, cs + ret + |