diff options
Diffstat (limited to 'vere/ext/gmp/gen/aarch64-linux/mpn/rshift.s')
-rw-r--r-- | vere/ext/gmp/gen/aarch64-linux/mpn/rshift.s | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/vere/ext/gmp/gen/aarch64-linux/mpn/rshift.s b/vere/ext/gmp/gen/aarch64-linux/mpn/rshift.s new file mode 100644 index 0000000..04def66 --- /dev/null +++ b/vere/ext/gmp/gen/aarch64-linux/mpn/rshift.s @@ -0,0 +1,148 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + .text + .align 3 + .globl __gmpn_rshift + .type __gmpn_rshift,@function +__gmpn_rshift: + mov x16, x0 + sub x8, xzr, x3 + lsr x18, x2, #2 + tbz x2, #0, .Lbx0 + +.Lbx1: ldr x5, [x1] + tbnz x2, #1, .Lb11 + +.Lb01: lsl x0, x5, x8 + lsr x2, x5, x3 + cbnz x18, .Lgt1 + str x2, [x16] + ret +.Lgt1: ldp x4, x5, [x1,#8] + sub x1, x1, #8 + sub x16, x16, #32 + b .Llo2 + +.Lb11: lsl x0, x5, x8 + lsr x2, x5, x3 + ldp x6, x7, [x1,#8]! + sub x16, x16, #16 + b .Llo3 + +.Lbx0: ldp x4, x5, [x1] + tbz x2, #1, .Lb00 + +.Lb10: lsl x0, x4, x8 + lsr x13, x4, x3 + lsl x10, x5, x8 + lsr x2, x5, x3 + cbnz x18, .Lgt2 + orr x10, x10, x13 + stp x10, x2, [x16] + ret +.Lgt2: ldp x4, x5, [x1,#16] + orr x10, x10, x13 + str x10, [x16],#-24 + b .Llo2 + +.Lb00: lsl x0, x4, x8 + lsr x13, x4, x3 + lsl x10, x5, x8 + lsr x2, x5, x3 + ldp x6, x7, [x1,#16]! + orr x10, x10, x13 + str x10, [x16],#-8 + b .Llo0 + + .align 4 +.Ltop: ldp x4, x5, [x1,#16] + orr x10, x10, x13 + orr x11, x12, x2 + stp x11, x10, [x16,#16] + lsr x2, x7, x3 +.Llo2: lsl x10, x5, x8 + lsl x12, x4, x8 + lsr x13, x4, x3 + ldp x6, x7, [x1,#32]! + orr x10, x10, x13 + orr x11, x12, x2 + stp x11, x10, [x16,#32]! + lsr x2, x5, x3 +.Llo0: sub x18, x18, #1 +.Llo3: lsl x10, x7, x8 + lsl x12, x6, x8 + lsr x13, x6, x3 + cbnz x18, .Ltop + +.Lend: orr x10, x10, x13 + orr x11, x12, x2 + lsr x2, x7, x3 + stp x11, x10, [x16,#16] + str x2, [x16,#32] + ret + .size __gmpn_rshift,.-__gmpn_rshift |