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Hakase
2020-01-17 19:45:12 +09:00
parent 016df9f433
commit 0f7abb4eb6
1100 changed files with 47785 additions and 16292 deletions
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crypto/ec/asm/ecp_nistz256-armv8.pl
+28 -37
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@@ -725,7 +725,7 @@ $code.=<<___;
.align 5
ecp_nistz256_point_double:
.inst 0xd503233f // paciasp
stp x29,x30,[sp,#-80]!
stp x29,x30,[sp,#-96]!
add x29,sp,#0
stp x19,x20,[sp,#16]
stp x21,x22,[sp,#32]
@@ -858,7 +858,7 @@ ecp_nistz256_point_double:
add sp,x29,#0 // destroy frame
ldp x19,x20,[x29,#16]
ldp x21,x22,[x29,#32]
ldp x29,x30,[sp],#80
ldp x29,x30,[sp],#96
.inst 0xd50323bf // autiasp
ret
.size ecp_nistz256_point_double,.-ecp_nistz256_point_double
@@ -875,7 +875,7 @@ my ($res_x,$res_y,$res_z,
my ($Z1sqr, $Z2sqr) = ($Hsqr, $Rsqr);
# above map() describes stack layout with 12 temporary
# 256-bit vectors on top.
my ($rp_real,$ap_real,$bp_real,$in1infty,$in2infty,$temp)=map("x$_",(21..26));
my ($rp_real,$ap_real,$bp_real,$in1infty,$in2infty,$temp0,$temp1,$temp2)=map("x$_",(21..28));
$code.=<<___;
.globl ecp_nistz256_point_add
@@ -883,12 +883,13 @@ $code.=<<___;
.align 5
ecp_nistz256_point_add:
.inst 0xd503233f // paciasp
stp x29,x30,[sp,#-80]!
stp x29,x30,[sp,#-96]!
add x29,sp,#0
stp x19,x20,[sp,#16]
stp x21,x22,[sp,#32]
stp x23,x24,[sp,#48]
stp x25,x26,[sp,#64]
stp x27,x28,[sp,#80]
sub sp,sp,#32*12
ldp $a0,$a1,[$bp,#64] // in2_z
@@ -902,7 +903,7 @@ ecp_nistz256_point_add:
orr $t2,$a2,$a3
orr $in2infty,$t0,$t2
cmp $in2infty,#0
csetm $in2infty,ne // !in2infty
csetm $in2infty,ne // ~in2infty
add $rp,sp,#$Z2sqr
bl __ecp_nistz256_sqr_mont // p256_sqr_mont(Z2sqr, in2_z);
@@ -912,7 +913,7 @@ ecp_nistz256_point_add:
orr $t2,$a2,$a3
orr $in1infty,$t0,$t2
cmp $in1infty,#0
csetm $in1infty,ne // !in1infty
csetm $in1infty,ne // ~in1infty
add $rp,sp,#$Z1sqr
bl __ecp_nistz256_sqr_mont // p256_sqr_mont(Z1sqr, in1_z);
@@ -953,7 +954,7 @@ ecp_nistz256_point_add:
orr $acc0,$acc0,$acc1 // see if result is zero
orr $acc2,$acc2,$acc3
orr $temp,$acc0,$acc2
orr $temp0,$acc0,$acc2 // ~is_equal(S1,S2)
add $bp,sp,#$Z2sqr
add $rp,sp,#$U1
@@ -974,32 +975,21 @@ ecp_nistz256_point_add:
orr $acc0,$acc0,$acc1 // see if result is zero
orr $acc2,$acc2,$acc3
orr $acc0,$acc0,$acc2
tst $acc0,$acc0
b.ne .Ladd_proceed // is_equal(U1,U2)?
orr $acc0,$acc0,$acc2 // ~is_equal(U1,U2)
tst $in1infty,$in2infty
b.eq .Ladd_proceed // (in1infty || in2infty)?
mvn $temp1,$in1infty // -1/0 -> 0/-1
mvn $temp2,$in2infty // -1/0 -> 0/-1
orr $acc0,$acc0,$temp1
orr $acc0,$acc0,$temp2
orr $acc0,$acc0,$temp0
cbnz $acc0,.Ladd_proceed // if(~is_equal(U1,U2) | in1infty | in2infty | ~is_equal(S1,S2))
tst $temp,$temp
b.eq .Ladd_double // is_equal(S1,S2)?
eor $a0,$a0,$a0
eor $a1,$a1,$a1
stp $a0,$a1,[$rp_real]
stp $a0,$a1,[$rp_real,#16]
stp $a0,$a1,[$rp_real,#32]
stp $a0,$a1,[$rp_real,#48]
stp $a0,$a1,[$rp_real,#64]
stp $a0,$a1,[$rp_real,#80]
b .Ladd_done
.align 4
.Ladd_double:
mov $ap,$ap_real
mov $rp,$rp_real
ldp x23,x24,[x29,#48]
ldp x25,x26,[x29,#64]
ldp x27,x28,[x29,#80]
add sp,sp,#32*(12-4) // difference in stack frames
b .Ldouble_shortcut
@@ -1084,14 +1074,14 @@ ___
for($i=0;$i<64;$i+=32) { # conditional moves
$code.=<<___;
ldp $acc0,$acc1,[$ap_real,#$i] // in1
cmp $in1infty,#0 // !$in1intfy, remember?
cmp $in1infty,#0 // ~$in1intfy, remember?
ldp $acc2,$acc3,[$ap_real,#$i+16]
csel $t0,$a0,$t0,ne
csel $t1,$a1,$t1,ne
ldp $a0,$a1,[sp,#$res_x+$i+32] // res
csel $t2,$a2,$t2,ne
csel $t3,$a3,$t3,ne
cmp $in2infty,#0 // !$in2intfy, remember?
cmp $in2infty,#0 // ~$in2intfy, remember?
ldp $a2,$a3,[sp,#$res_x+$i+48]
csel $acc0,$t0,$acc0,ne
csel $acc1,$t1,$acc1,ne
@@ -1105,13 +1095,13 @@ ___
}
$code.=<<___;
ldp $acc0,$acc1,[$ap_real,#$i] // in1
cmp $in1infty,#0 // !$in1intfy, remember?
cmp $in1infty,#0 // ~$in1intfy, remember?
ldp $acc2,$acc3,[$ap_real,#$i+16]
csel $t0,$a0,$t0,ne
csel $t1,$a1,$t1,ne
csel $t2,$a2,$t2,ne
csel $t3,$a3,$t3,ne
cmp $in2infty,#0 // !$in2intfy, remember?
cmp $in2infty,#0 // ~$in2intfy, remember?
csel $acc0,$t0,$acc0,ne
csel $acc1,$t1,$acc1,ne
csel $acc2,$t2,$acc2,ne
@@ -1125,7 +1115,8 @@ $code.=<<___;
ldp x21,x22,[x29,#32]
ldp x23,x24,[x29,#48]
ldp x25,x26,[x29,#64]
ldp x29,x30,[sp],#80
ldp x27,x28,[x29,#80]
ldp x29,x30,[sp],#96
.inst 0xd50323bf // autiasp
ret
.size ecp_nistz256_point_add,.-ecp_nistz256_point_add
@@ -1169,7 +1160,7 @@ ecp_nistz256_point_add_affine:
orr $t2,$a2,$a3
orr $in1infty,$t0,$t2
cmp $in1infty,#0
csetm $in1infty,ne // !in1infty
csetm $in1infty,ne // ~in1infty
ldp $acc0,$acc1,[$bp] // in2_x
ldp $acc2,$acc3,[$bp,#16]
@@ -1183,7 +1174,7 @@ ecp_nistz256_point_add_affine:
orr $t0,$t0,$t2
orr $in2infty,$acc0,$t0
cmp $in2infty,#0
csetm $in2infty,ne // !in2infty
csetm $in2infty,ne // ~in2infty
add $rp,sp,#$Z1sqr
bl __ecp_nistz256_sqr_mont // p256_sqr_mont(Z1sqr, in1_z);
@@ -1293,14 +1284,14 @@ ___
for($i=0;$i<64;$i+=32) { # conditional moves
$code.=<<___;
ldp $acc0,$acc1,[$ap_real,#$i] // in1
cmp $in1infty,#0 // !$in1intfy, remember?
cmp $in1infty,#0 // ~$in1intfy, remember?
ldp $acc2,$acc3,[$ap_real,#$i+16]
csel $t0,$a0,$t0,ne
csel $t1,$a1,$t1,ne
ldp $a0,$a1,[sp,#$res_x+$i+32] // res
csel $t2,$a2,$t2,ne
csel $t3,$a3,$t3,ne
cmp $in2infty,#0 // !$in2intfy, remember?
cmp $in2infty,#0 // ~$in2intfy, remember?
ldp $a2,$a3,[sp,#$res_x+$i+48]
csel $acc0,$t0,$acc0,ne
csel $acc1,$t1,$acc1,ne
@@ -1317,13 +1308,13 @@ ___
}
$code.=<<___;
ldp $acc0,$acc1,[$ap_real,#$i] // in1
cmp $in1infty,#0 // !$in1intfy, remember?
cmp $in1infty,#0 // ~$in1intfy, remember?
ldp $acc2,$acc3,[$ap_real,#$i+16]
csel $t0,$a0,$t0,ne
csel $t1,$a1,$t1,ne
csel $t2,$a2,$t2,ne
csel $t3,$a3,$t3,ne
cmp $in2infty,#0 // !$in2intfy, remember?
cmp $in2infty,#0 // ~$in2intfy, remember?
csel $acc0,$t0,$acc0,ne
csel $acc1,$t1,$acc1,ne
csel $acc2,$t2,$acc2,ne