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-rw-r--r--main/openssl/crypto/bn/asm/armv4-gf2m.S106
-rw-r--r--main/openssl/crypto/bn/asm/armv4-gf2m.pl139
-rw-r--r--main/openssl/crypto/bn/asm/armv4-mont.pl483
-rw-r--r--main/openssl/crypto/bn/asm/armv4-mont.s444
4 files changed, 1034 insertions, 138 deletions
diff --git a/main/openssl/crypto/bn/asm/armv4-gf2m.S b/main/openssl/crypto/bn/asm/armv4-gf2m.S
index 038f0864..0fa25b26 100644
--- a/main/openssl/crypto/bn/asm/armv4-gf2m.S
+++ b/main/openssl/crypto/bn/asm/armv4-gf2m.S
@@ -5,31 +5,6 @@
#if __ARM_ARCH__>=7
.fpu neon
-
-.type mul_1x1_neon,%function
-.align 5
-mul_1x1_neon:
- vshl.u64 d2,d16,#8 @ q1-q3 are slided
- vmull.p8 q0,d16,d17 @ a·bb
- vshl.u64 d4,d16,#16
- vmull.p8 q1,d2,d17 @ a<<8·bb
- vshl.u64 d6,d16,#24
- vmull.p8 q2,d4,d17 @ a<<16·bb
- vshr.u64 d2,#8
- vmull.p8 q3,d6,d17 @ a<<24·bb
- vshl.u64 d3,#24
- veor d0,d2
- vshr.u64 d4,#16
- veor d0,d3
- vshl.u64 d5,#16
- veor d0,d4
- vshr.u64 d6,#24
- veor d0,d5
- vshl.u64 d7,#8
- veor d0,d6
- veor d0,d7
- .word 0xe12fff1e
-.size mul_1x1_neon,.-mul_1x1_neon
#endif
.type mul_1x1_ialu,%function
.align 5
@@ -120,40 +95,53 @@ bn_GF2m_mul_2x2:
tst r12,#1
beq .Lialu
- veor d18,d18
- vmov.32 d19,r3,r3 @ two copies of b1
- vmov.32 d18[0],r1 @ a1
-
- veor d20,d20
- vld1.32 d21[],[sp,:32] @ two copies of b0
- vmov.32 d20[0],r2 @ a0
- mov r12,lr
-
- vmov d16,d18
- vmov d17,d19
- bl mul_1x1_neon @ a1·b1
- vmov d22,d0
-
- vmov d16,d20
- vmov d17,d21
- bl mul_1x1_neon @ a0·b0
- vmov d23,d0
-
- veor d16,d20,d18
- veor d17,d21,d19
- veor d20,d23,d22
- bl mul_1x1_neon @ (a0+a1)·(b0+b1)
-
- veor d0,d20 @ (a0+a1)·(b0+b1)-a0·b0-a1·b1
- vshl.u64 d1,d0,#32
- vshr.u64 d0,d0,#32
- veor d23,d1
- veor d22,d0
- vst1.32 {d23[0]},[r0,:32]!
- vst1.32 {d23[1]},[r0,:32]!
- vst1.32 {d22[0]},[r0,:32]!
- vst1.32 {d22[1]},[r0,:32]
- bx r12
+ ldr r12, [sp] @ 5th argument
+ vmov.32 d26, r2, r1
+ vmov.32 d27, r12, r3
+ vmov.i64 d28, #0x0000ffffffffffff
+ vmov.i64 d29, #0x00000000ffffffff
+ vmov.i64 d30, #0x000000000000ffff
+
+ vext.8 d2, d26, d26, #1 @ A1
+ vmull.p8 q1, d2, d27 @ F = A1*B
+ vext.8 d0, d27, d27, #1 @ B1
+ vmull.p8 q0, d26, d0 @ E = A*B1
+ vext.8 d4, d26, d26, #2 @ A2
+ vmull.p8 q2, d4, d27 @ H = A2*B
+ vext.8 d16, d27, d27, #2 @ B2
+ vmull.p8 q8, d26, d16 @ G = A*B2
+ vext.8 d6, d26, d26, #3 @ A3
+ veor q1, q1, q0 @ L = E + F
+ vmull.p8 q3, d6, d27 @ J = A3*B
+ vext.8 d0, d27, d27, #3 @ B3
+ veor q2, q2, q8 @ M = G + H
+ vmull.p8 q0, d26, d0 @ I = A*B3
+ veor d2, d2, d3 @ t0 = (L) (P0 + P1) << 8
+ vand d3, d3, d28
+ vext.8 d16, d27, d27, #4 @ B4
+ veor d4, d4, d5 @ t1 = (M) (P2 + P3) << 16
+ vand d5, d5, d29
+ vmull.p8 q8, d26, d16 @ K = A*B4
+ veor q3, q3, q0 @ N = I + J
+ veor d2, d2, d3
+ veor d4, d4, d5
+ veor d6, d6, d7 @ t2 = (N) (P4 + P5) << 24
+ vand d7, d7, d30
+ vext.8 q1, q1, q1, #15
+ veor d16, d16, d17 @ t3 = (K) (P6 + P7) << 32
+ vmov.i64 d17, #0
+ vext.8 q2, q2, q2, #14
+ veor d6, d6, d7
+ vmull.p8 q0, d26, d27 @ D = A*B
+ vext.8 q8, q8, q8, #12
+ vext.8 q3, q3, q3, #13
+ veor q1, q1, q2
+ veor q3, q3, q8
+ veor q0, q0, q1
+ veor q0, q0, q3
+
+ vst1.32 {q0}, [r0]
+ bx lr @ bx lr
.align 4
.Lialu:
#endif
diff --git a/main/openssl/crypto/bn/asm/armv4-gf2m.pl b/main/openssl/crypto/bn/asm/armv4-gf2m.pl
index 22ad1f85..3f1f4f67 100644
--- a/main/openssl/crypto/bn/asm/armv4-gf2m.pl
+++ b/main/openssl/crypto/bn/asm/armv4-gf2m.pl
@@ -20,14 +20,21 @@
# length, more for longer keys. Even though NEON 1x1 multiplication
# runs in even less cycles, ~30, improvement is measurable only on
# longer keys. One has to optimize code elsewhere to get NEON glow...
+#
+# April 2014
+#
+# Double bn_GF2m_mul_2x2 performance by using algorithm from paper
+# referred below, which improves ECDH and ECDSA verify benchmarks
+# by 18-40%.
+#
+# Câmara, D.; Gouvêa, C. P. L.; López, J. & Dahab, R.: Fast Software
+# Polynomial Multiplication on ARM Processors using the NEON Engine.
+#
+# http://conradoplg.cryptoland.net/files/2010/12/mocrysen13.pdf
while (($output=shift) && ($output!~/^\w[\w\-]*\.\w+$/)) {}
open STDOUT,">$output";
-sub Dlo() { shift=~m|q([1]?[0-9])|?"d".($1*2):""; }
-sub Dhi() { shift=~m|q([1]?[0-9])|?"d".($1*2+1):""; }
-sub Q() { shift=~m|d([1-3]?[02468])|?"q".($1/2):""; }
-
$code=<<___;
#include "arm_arch.h"
@@ -36,31 +43,6 @@ $code=<<___;
#if __ARM_ARCH__>=7
.fpu neon
-
-.type mul_1x1_neon,%function
-.align 5
-mul_1x1_neon:
- vshl.u64 `&Dlo("q1")`,d16,#8 @ q1-q3 are slided $a
- vmull.p8 `&Q("d0")`,d16,d17 @ a·bb
- vshl.u64 `&Dlo("q2")`,d16,#16
- vmull.p8 q1,`&Dlo("q1")`,d17 @ a<<8·bb
- vshl.u64 `&Dlo("q3")`,d16,#24
- vmull.p8 q2,`&Dlo("q2")`,d17 @ a<<16·bb
- vshr.u64 `&Dlo("q1")`,#8
- vmull.p8 q3,`&Dlo("q3")`,d17 @ a<<24·bb
- vshl.u64 `&Dhi("q1")`,#24
- veor d0,`&Dlo("q1")`
- vshr.u64 `&Dlo("q2")`,#16
- veor d0,`&Dhi("q1")`
- vshl.u64 `&Dhi("q2")`,#16
- veor d0,`&Dlo("q2")`
- vshr.u64 `&Dlo("q3")`,#24
- veor d0,`&Dhi("q2")`
- vshl.u64 `&Dhi("q3")`,#8
- veor d0,`&Dlo("q3")`
- veor d0,`&Dhi("q3")`
- bx lr
-.size mul_1x1_neon,.-mul_1x1_neon
#endif
___
################
@@ -159,8 +141,9 @@ ___
# void bn_GF2m_mul_2x2(BN_ULONG *r,
# BN_ULONG a1,BN_ULONG a0,
# BN_ULONG b1,BN_ULONG b0); # r[3..0]=a1a0·b1b0
-
-($A1,$B1,$A0,$B0,$A1B1,$A0B0)=map("d$_",(18..23));
+{
+my ($r,$t0,$t1,$t2,$t3)=map("q$_",(0..3,8..12));
+my ($a,$b,$k48,$k32,$k16)=map("d$_",(26..31));
$code.=<<___;
.global bn_GF2m_mul_2x2
@@ -173,44 +156,58 @@ bn_GF2m_mul_2x2:
tst r12,#1
beq .Lialu
- veor $A1,$A1
- vmov.32 $B1,r3,r3 @ two copies of b1
- vmov.32 ${A1}[0],r1 @ a1
-
- veor $A0,$A0
- vld1.32 ${B0}[],[sp,:32] @ two copies of b0
- vmov.32 ${A0}[0],r2 @ a0
- mov r12,lr
-
- vmov d16,$A1
- vmov d17,$B1
- bl mul_1x1_neon @ a1·b1
- vmov $A1B1,d0
-
- vmov d16,$A0
- vmov d17,$B0
- bl mul_1x1_neon @ a0·b0
- vmov $A0B0,d0
-
- veor d16,$A0,$A1
- veor d17,$B0,$B1
- veor $A0,$A0B0,$A1B1
- bl mul_1x1_neon @ (a0+a1)·(b0+b1)
-
- veor d0,$A0 @ (a0+a1)·(b0+b1)-a0·b0-a1·b1
- vshl.u64 d1,d0,#32
- vshr.u64 d0,d0,#32
- veor $A0B0,d1
- veor $A1B1,d0
- vst1.32 {${A0B0}[0]},[r0,:32]!
- vst1.32 {${A0B0}[1]},[r0,:32]!
- vst1.32 {${A1B1}[0]},[r0,:32]!
- vst1.32 {${A1B1}[1]},[r0,:32]
- bx r12
+ ldr r12, [sp] @ 5th argument
+ vmov.32 $a, r2, r1
+ vmov.32 $b, r12, r3
+ vmov.i64 $k48, #0x0000ffffffffffff
+ vmov.i64 $k32, #0x00000000ffffffff
+ vmov.i64 $k16, #0x000000000000ffff
+
+ vext.8 $t0#lo, $a, $a, #1 @ A1
+ vmull.p8 $t0, $t0#lo, $b @ F = A1*B
+ vext.8 $r#lo, $b, $b, #1 @ B1
+ vmull.p8 $r, $a, $r#lo @ E = A*B1
+ vext.8 $t1#lo, $a, $a, #2 @ A2
+ vmull.p8 $t1, $t1#lo, $b @ H = A2*B
+ vext.8 $t3#lo, $b, $b, #2 @ B2
+ vmull.p8 $t3, $a, $t3#lo @ G = A*B2
+ vext.8 $t2#lo, $a, $a, #3 @ A3
+ veor $t0, $t0, $r @ L = E + F
+ vmull.p8 $t2, $t2#lo, $b @ J = A3*B
+ vext.8 $r#lo, $b, $b, #3 @ B3
+ veor $t1, $t1, $t3 @ M = G + H
+ vmull.p8 $r, $a, $r#lo @ I = A*B3
+ veor $t0#lo, $t0#lo, $t0#hi @ t0 = (L) (P0 + P1) << 8
+ vand $t0#hi, $t0#hi, $k48
+ vext.8 $t3#lo, $b, $b, #4 @ B4
+ veor $t1#lo, $t1#lo, $t1#hi @ t1 = (M) (P2 + P3) << 16
+ vand $t1#hi, $t1#hi, $k32
+ vmull.p8 $t3, $a, $t3#lo @ K = A*B4
+ veor $t2, $t2, $r @ N = I + J
+ veor $t0#lo, $t0#lo, $t0#hi
+ veor $t1#lo, $t1#lo, $t1#hi
+ veor $t2#lo, $t2#lo, $t2#hi @ t2 = (N) (P4 + P5) << 24
+ vand $t2#hi, $t2#hi, $k16
+ vext.8 $t0, $t0, $t0, #15
+ veor $t3#lo, $t3#lo, $t3#hi @ t3 = (K) (P6 + P7) << 32
+ vmov.i64 $t3#hi, #0
+ vext.8 $t1, $t1, $t1, #14
+ veor $t2#lo, $t2#lo, $t2#hi
+ vmull.p8 $r, $a, $b @ D = A*B
+ vext.8 $t3, $t3, $t3, #12
+ vext.8 $t2, $t2, $t2, #13
+ veor $t0, $t0, $t1
+ veor $t2, $t2, $t3
+ veor $r, $r, $t0
+ veor $r, $r, $t2
+
+ vst1.32 {$r}, [r0]
+ ret @ bx lr
.align 4
.Lialu:
#endif
___
+}
$ret="r10"; # reassigned 1st argument
$code.=<<___;
stmdb sp!,{r4-r10,lr}
@@ -272,7 +269,13 @@ $code.=<<___;
.comm OPENSSL_armcap_P,4,4
___
-$code =~ s/\`([^\`]*)\`/eval $1/gem;
-$code =~ s/\bbx\s+lr\b/.word\t0xe12fff1e/gm; # make it possible to compile with -march=armv4
-print $code;
+foreach (split("\n",$code)) {
+ s/\`([^\`]*)\`/eval $1/geo;
+
+ s/\bq([0-9]+)#(lo|hi)/sprintf "d%d",2*$1+($2 eq "hi")/geo or
+ s/\bret\b/bx lr/go or
+ s/\bbx\s+lr\b/.word\t0xe12fff1e/go; # make it possible to compile with -march=armv4
+
+ print $_,"\n";
+}
close STDOUT; # enforce flush
diff --git a/main/openssl/crypto/bn/asm/armv4-mont.pl b/main/openssl/crypto/bn/asm/armv4-mont.pl
index f78a8b5f..72bad8e3 100644
--- a/main/openssl/crypto/bn/asm/armv4-mont.pl
+++ b/main/openssl/crypto/bn/asm/armv4-mont.pl
@@ -1,7 +1,7 @@
#!/usr/bin/env perl
# ====================================================================
-# Written by Andy Polyakov <appro@fy.chalmers.se> for the OpenSSL
+# Written by Andy Polyakov <appro@openssl.org> for the OpenSSL
# project. The module is, however, dual licensed under OpenSSL and
# CRYPTOGAMS licenses depending on where you obtain it. For further
# details see http://www.openssl.org/~appro/cryptogams/.
@@ -23,6 +23,21 @@
# than 1/2KB. Windows CE port would be trivial, as it's exclusively
# about decorations, ABI and instruction syntax are identical.
+# November 2013
+#
+# Add NEON code path, which handles lengths divisible by 8. RSA/DSA
+# performance improvement on Cortex-A8 is ~45-100% depending on key
+# length, more for longer keys. On Cortex-A15 the span is ~10-105%.
+# On Snapdragon S4 improvement was measured to vary from ~70% to
+# incredible ~380%, yes, 4.8x faster, for RSA4096 sign. But this is
+# rather because original integer-only code seems to perform
+# suboptimally on S4. Situation on Cortex-A9 is unfortunately
+# different. It's being looked into, but the trouble is that
+# performance for vectors longer than 256 bits is actually couple
+# of percent worse than for integer-only code. The code is chosen
+# for execution on all NEON-capable processors, because gain on
+# others outweighs the marginal loss on Cortex-A9.
+
while (($output=shift) && ($output!~/^\w[\w\-]*\.\w+$/)) {}
open STDOUT,">$output";
@@ -52,16 +67,40 @@ $_n0="$num,#14*4";
$_num="$num,#15*4"; $_bpend=$_num;
$code=<<___;
+#include "arm_arch.h"
+
.text
+.code 32
+
+#if __ARM_ARCH__>=7
+.align 5
+.LOPENSSL_armcap:
+.word OPENSSL_armcap_P-bn_mul_mont
+#endif
.global bn_mul_mont
.type bn_mul_mont,%function
-.align 2
+.align 5
bn_mul_mont:
+ ldr ip,[sp,#4] @ load num
stmdb sp!,{r0,r2} @ sp points at argument block
- ldr $num,[sp,#3*4] @ load num
- cmp $num,#2
+#if __ARM_ARCH__>=7
+ tst ip,#7
+ bne .Lialu
+ adr r0,bn_mul_mont
+ ldr r2,.LOPENSSL_armcap
+ ldr r0,[r0,r2]
+ tst r0,#1 @ NEON available?
+ ldmia sp, {r0,r2}
+ beq .Lialu
+ add sp,sp,#8
+ b bn_mul8x_mont_neon
+.align 4
+.Lialu:
+#endif
+ cmp ip,#2
+ mov $num,ip @ load num
movlt r0,#0
addlt sp,sp,#2*4
blt .Labrt
@@ -191,14 +230,446 @@ bn_mul_mont:
ldmia sp!,{r4-r12,lr} @ restore registers
add sp,sp,#2*4 @ skip over {r0,r2}
mov r0,#1
-.Labrt: tst lr,#1
+.Labrt:
+#if __ARM_ARCH__>=5
+ ret @ bx lr
+#else
+ tst lr,#1
moveq pc,lr @ be binary compatible with V4, yet
bx lr @ interoperable with Thumb ISA:-)
+#endif
.size bn_mul_mont,.-bn_mul_mont
-.asciz "Montgomery multiplication for ARMv4, CRYPTOGAMS by <appro\@openssl.org>"
+___
+{
+sub Dlo() { shift=~m|q([1]?[0-9])|?"d".($1*2):""; }
+sub Dhi() { shift=~m|q([1]?[0-9])|?"d".($1*2+1):""; }
+
+my ($A0,$A1,$A2,$A3)=map("d$_",(0..3));
+my ($N0,$N1,$N2,$N3)=map("d$_",(4..7));
+my ($Z,$Temp)=("q4","q5");
+my ($A0xB,$A1xB,$A2xB,$A3xB,$A4xB,$A5xB,$A6xB,$A7xB)=map("q$_",(6..13));
+my ($Bi,$Ni,$M0)=map("d$_",(28..31));
+my $zero=&Dlo($Z);
+my $temp=&Dlo($Temp);
+
+my ($rptr,$aptr,$bptr,$nptr,$n0,$num)=map("r$_",(0..5));
+my ($tinptr,$toutptr,$inner,$outer)=map("r$_",(6..9));
+
+$code.=<<___;
+#if __ARM_ARCH__>=7
+.fpu neon
+
+.type bn_mul8x_mont_neon,%function
+.align 5
+bn_mul8x_mont_neon:
+ mov ip,sp
+ stmdb sp!,{r4-r11}
+ vstmdb sp!,{d8-d15} @ ABI specification says so
+ ldmia ip,{r4-r5} @ load rest of parameter block
+
+ sub $toutptr,sp,#16
+ vld1.32 {${Bi}[0]}, [$bptr,:32]!
+ sub $toutptr,$toutptr,$num,lsl#4
+ vld1.32 {$A0-$A3}, [$aptr]! @ can't specify :32 :-(
+ and $toutptr,$toutptr,#-64
+ vld1.32 {${M0}[0]}, [$n0,:32]
+ mov sp,$toutptr @ alloca
+ veor $zero,$zero,$zero
+ subs $inner,$num,#8
+ vzip.16 $Bi,$zero
+
+ vmull.u32 $A0xB,$Bi,${A0}[0]
+ vmull.u32 $A1xB,$Bi,${A0}[1]
+ vmull.u32 $A2xB,$Bi,${A1}[0]
+ vshl.i64 $temp,`&Dhi("$A0xB")`,#16
+ vmull.u32 $A3xB,$Bi,${A1}[1]
+
+ vadd.u64 $temp,$temp,`&Dlo("$A0xB")`
+ veor $zero,$zero,$zero
+ vmul.u32 $Ni,$temp,$M0
+
+ vmull.u32 $A4xB,$Bi,${A2}[0]
+ vld1.32 {$N0-$N3}, [$nptr]!
+ vmull.u32 $A5xB,$Bi,${A2}[1]
+ vmull.u32 $A6xB,$Bi,${A3}[0]
+ vzip.16 $Ni,$zero
+ vmull.u32 $A7xB,$Bi,${A3}[1]
+
+ bne .LNEON_1st
+
+ @ special case for num=8, everything is in register bank...
+
+ vmlal.u32 $A0xB,$Ni,${N0}[0]
+ sub $outer,$num,#1
+ vmlal.u32 $A1xB,$Ni,${N0}[1]
+ vmlal.u32 $A2xB,$Ni,${N1}[0]
+ vmlal.u32 $A3xB,$Ni,${N1}[1]
+
+ vmlal.u32 $A4xB,$Ni,${N2}[0]
+ vmov $Temp,$A0xB
+ vmlal.u32 $A5xB,$Ni,${N2}[1]
+ vmov $A0xB,$A1xB
+ vmlal.u32 $A6xB,$Ni,${N3}[0]
+ vmov $A1xB,$A2xB
+ vmlal.u32 $A7xB,$Ni,${N3}[1]
+ vmov $A2xB,$A3xB
+ vmov $A3xB,$A4xB
+ vshr.u64 $temp,$temp,#16
+ vmov $A4xB,$A5xB
+ vmov $A5xB,$A6xB
+ vadd.u64 $temp,$temp,`&Dhi("$Temp")`
+ vmov $A6xB,$A7xB
+ veor $A7xB,$A7xB
+ vshr.u64 $temp,$temp,#16
+
+ b .LNEON_outer8
+
+.align 4
+.LNEON_outer8:
+ vld1.32 {${Bi}[0]}, [$bptr,:32]!
+ veor $zero,$zero,$zero
+ vzip.16 $Bi,$zero
+ vadd.u64 `&Dlo("$A0xB")`,`&Dlo("$A0xB")`,$temp
+
+ vmlal.u32 $A0xB,$Bi,${A0}[0]
+ vmlal.u32 $A1xB,$Bi,${A0}[1]
+ vmlal.u32 $A2xB,$Bi,${A1}[0]
+ vshl.i64 $temp,`&Dhi("$A0xB")`,#16
+ vmlal.u32 $A3xB,$Bi,${A1}[1]
+
+ vadd.u64 $temp,$temp,`&Dlo("$A0xB")`
+ veor $zero,$zero,$zero
+ subs $outer,$outer,#1
+ vmul.u32 $Ni,$temp,$M0
+
+ vmlal.u32 $A4xB,$Bi,${A2}[0]
+ vmlal.u32 $A5xB,$Bi,${A2}[1]
+ vmlal.u32 $A6xB,$Bi,${A3}[0]
+ vzip.16 $Ni,$zero
+ vmlal.u32 $A7xB,$Bi,${A3}[1]
+
+ vmlal.u32 $A0xB,$Ni,${N0}[0]
+ vmlal.u32 $A1xB,$Ni,${N0}[1]
+ vmlal.u32 $A2xB,$Ni,${N1}[0]
+ vmlal.u32 $A3xB,$Ni,${N1}[1]
+
+ vmlal.u32 $A4xB,$Ni,${N2}[0]
+ vmov $Temp,$A0xB
+ vmlal.u32 $A5xB,$Ni,${N2}[1]
+ vmov $A0xB,$A1xB
+ vmlal.u32 $A6xB,$Ni,${N3}[0]
+ vmov $A1xB,$A2xB
+ vmlal.u32 $A7xB,$Ni,${N3}[1]
+ vmov $A2xB,$A3xB
+ vmov $A3xB,$A4xB
+ vshr.u64 $temp,$temp,#16
+ vmov $A4xB,$A5xB
+ vmov $A5xB,$A6xB
+ vadd.u64 $temp,$temp,`&Dhi("$Temp")`
+ vmov $A6xB,$A7xB
+ veor $A7xB,$A7xB
+ vshr.u64 $temp,$temp,#16
+
+ bne .LNEON_outer8
+
+ vadd.u64 `&Dlo("$A0xB")`,`&Dlo("$A0xB")`,$temp
+ mov $toutptr,sp
+ vshr.u64 $temp,`&Dlo("$A0xB")`,#16
+ mov $inner,$num
+ vadd.u64 `&Dhi("$A0xB")`,`&Dhi("$A0xB")`,$temp
+ add $tinptr,sp,#16
+ vshr.u64 $temp,`&Dhi("$A0xB")`,#16
+ vzip.16 `&Dlo("$A0xB")`,`&Dhi("$A0xB")`
+
+ b .LNEON_tail2
+
+.align 4
+.LNEON_1st:
+ vmlal.u32 $A0xB,$Ni,${N0}[0]
+ vld1.32 {$A0-$A3}, [$aptr]!
+ vmlal.u32 $A1xB,$Ni,${N0}[1]
+ subs $inner,$inner,#8
+ vmlal.u32 $A2xB,$Ni,${N1}[0]
+ vmlal.u32 $A3xB,$Ni,${N1}[1]
+
+ vmlal.u32 $A4xB,$Ni,${N2}[0]
+ vld1.32 {$N0-$N1}, [$nptr]!
+ vmlal.u32 $A5xB,$Ni,${N2}[1]
+ vst1.64 {$A0xB-$A1xB}, [$toutptr,:256]!
+ vmlal.u32 $A6xB,$Ni,${N3}[0]
+ vmlal.u32 $A7xB,$Ni,${N3}[1]
+ vst1.64 {$A2xB-$A3xB}, [$toutptr,:256]!
+
+ vmull.u32 $A0xB,$Bi,${A0}[0]
+ vld1.32 {$N2-$N3}, [$nptr]!
+ vmull.u32 $A1xB,$Bi,${A0}[1]
+ vst1.64 {$A4xB-$A5xB}, [$toutptr,:256]!
+ vmull.u32 $A2xB,$Bi,${A1}[0]
+ vmull.u32 $A3xB,$Bi,${A1}[1]
+ vst1.64 {$A6xB-$A7xB}, [$toutptr,:256]!
+
+ vmull.u32 $A4xB,$Bi,${A2}[0]
+ vmull.u32 $A5xB,$Bi,${A2}[1]
+ vmull.u32 $A6xB,$Bi,${A3}[0]
+ vmull.u32 $A7xB,$Bi,${A3}[1]
+
+ bne .LNEON_1st
+
+ vmlal.u32 $A0xB,$Ni,${N0}[0]
+ add $tinptr,sp,#16
+ vmlal.u32 $A1xB,$Ni,${N0}[1]
+ sub $aptr,$aptr,$num,lsl#2 @ rewind $aptr
+ vmlal.u32 $A2xB,$Ni,${N1}[0]
+ vld1.64 {$Temp}, [sp,:128]
+ vmlal.u32 $A3xB,$Ni,${N1}[1]
+ sub $outer,$num,#1
+
+ vmlal.u32 $A4xB,$Ni,${N2}[0]
+ vst1.64 {$A0xB-$A1xB}, [$toutptr,:256]!
+ vmlal.u32 $A5xB,$Ni,${N2}[1]
+ vshr.u64 $temp,$temp,#16
+ vld1.64 {$A0xB}, [$tinptr, :128]!
+ vmlal.u32 $A6xB,$Ni,${N3}[0]
+ vst1.64 {$A2xB-$A3xB}, [$toutptr,:256]!
+ vmlal.u32 $A7xB,$Ni,${N3}[1]
+
+ vst1.64 {$A4xB-$A5xB}, [$toutptr,:256]!
+ vadd.u64 $temp,$temp,`&Dhi("$Temp")`
+ veor $Z,$Z,$Z
+ vst1.64 {$A6xB-$A7xB}, [$toutptr,:256]!
+ vld1.64 {$A1xB-$A2xB}, [$tinptr, :256]!
+ vst1.64 {$Z}, [$toutptr,:128]
+ vshr.u64 $temp,$temp,#16
+
+ b .LNEON_outer
+
+.align 4
+.LNEON_outer:
+ vld1.32 {${Bi}[0]}, [$bptr,:32]!
+ sub $nptr,$nptr,$num,lsl#2 @ rewind $nptr
+ vld1.32 {$A0-$A3}, [$aptr]!
+ veor $zero,$zero,$zero
+ mov $toutptr,sp
+ vzip.16 $Bi,$zero
+ sub $inner,$num,#8
+ vadd.u64 `&Dlo("$A0xB")`,`&Dlo("$A0xB")`,$temp
+
+ vmlal.u32 $A0xB,$Bi,${A0}[0]
+ vld1.64 {$A3xB-$A4xB},[$tinptr,:256]!
+ vmlal.u32 $A1xB,$Bi,${A0}[1]
+ vmlal.u32 $A2xB,$Bi,${A1}[0]
+ vld1.64 {$A5xB-$A6xB},[$tinptr,:256]!
+ vmlal.u32 $A3xB,$Bi,${A1}[1]
+
+ vshl.i64 $temp,`&Dhi("$A0xB")`,#16
+ veor $zero,$zero,$zero
+ vadd.u64 $temp,$temp,`&Dlo("$A0xB")`
+ vld1.64 {$A7xB},[$tinptr,:128]!
+ vmul.u32 $Ni,$temp,$M0
+
+ vmlal.u32 $A4xB,$Bi,${A2}[0]
+ vld1.32 {$N0-$N3}, [$nptr]!
+ vmlal.u32 $A5xB,$Bi,${A2}[1]
+ vmlal.u32 $A6xB,$Bi,${A3}[0]
+ vzip.16 $Ni,$zero
+ vmlal.u32 $A7xB,$Bi,${A3}[1]
+
+.LNEON_inner:
+ vmlal.u32 $A0xB,$Ni,${N0}[0]
+ vld1.32 {$A0-$A3}, [$aptr]!
+ vmlal.u32 $A1xB,$Ni,${N0}[1]
+ subs $inner,$inner,#8
+ vmlal.u32 $A2xB,$Ni,${N1}[0]
+ vmlal.u32 $A3xB,$Ni,${N1}[1]
+ vst1.64 {$A0xB-$A1xB}, [$toutptr,:256]!
+
+ vmlal.u32 $A4xB,$Ni,${N2}[0]
+ vld1.64 {$A0xB}, [$tinptr, :128]!
+ vmlal.u32 $A5xB,$Ni,${N2}[1]
+ vst1.64 {$A2xB-$A3xB}, [$toutptr,:256]!
+ vmlal.u32 $A6xB,$Ni,${N3}[0]
+ vld1.64 {$A1xB-$A2xB}, [$tinptr, :256]!
+ vmlal.u32 $A7xB,$Ni,${N3}[1]
+ vst1.64 {$A4xB-$A5xB}, [$toutptr,:256]!
+
+ vmlal.u32 $A0xB,$Bi,${A0}[0]
+ vld1.64 {$A3xB-$A4xB}, [$tinptr, :256]!
+ vmlal.u32 $A1xB,$Bi,${A0}[1]
+ vst1.64 {$A6xB-$A7xB}, [$toutptr,:256]!
+ vmlal.u32 $A2xB,$Bi,${A1}[0]
+ vld1.64 {$A5xB-$A6xB}, [$tinptr, :256]!
+ vmlal.u32 $A3xB,$Bi,${A1}[1]
+ vld1.32 {$N0-$N3}, [$nptr]!
+
+ vmlal.u32 $A4xB,$Bi,${A2}[0]
+ vld1.64 {$A7xB}, [$tinptr, :128]!
+ vmlal.u32 $A5xB,$Bi,${A2}[1]
+ vmlal.u32 $A6xB,$Bi,${A3}[0]
+ vmlal.u32 $A7xB,$Bi,${A3}[1]
+
+ bne .LNEON_inner
+
+ vmlal.u32 $A0xB,$Ni,${N0}[0]
+ add $tinptr,sp,#16
+ vmlal.u32 $A1xB,$Ni,${N0}[1]
+ sub $aptr,$aptr,$num,lsl#2 @ rewind $aptr
+ vmlal.u32 $A2xB,$Ni,${N1}[0]
+ vld1.64 {$Temp}, [sp,:128]
+ vmlal.u32 $A3xB,$Ni,${N1}[1]
+ subs $outer,$outer,#1
+
+ vmlal.u32 $A4xB,$Ni,${N2}[0]
+ vst1.64 {$A0xB-$A1xB}, [$toutptr,:256]!
+ vmlal.u32 $A5xB,$Ni,${N2}[1]
+ vld1.64 {$A0xB}, [$tinptr, :128]!
+ vshr.u64 $temp,$temp,#16
+ vst1.64 {$A2xB-$A3xB}, [$toutptr,:256]!
+ vmlal.u32 $A6xB,$Ni,${N3}[0]
+ vld1.64 {$A1xB-$A2xB}, [$tinptr, :256]!
+ vmlal.u32 $A7xB,$Ni,${N3}[1]
+
+ vst1.64 {$A4xB-$A5xB}, [$toutptr,:256]!
+ vadd.u64 $temp,$temp,`&Dhi("$Temp")`
+ vst1.64 {$A6xB-$A7xB}, [$toutptr,:256]!
+ vshr.u64 $temp,$temp,#16
+
+ bne .LNEON_outer
+
+ mov $toutptr,sp
+ mov $inner,$num
+
+.LNEON_tail:
+ vadd.u64 `&Dlo("$A0xB")`,`&Dlo("$A0xB")`,$temp
+ vld1.64 {$A3xB-$A4xB}, [$tinptr, :256]!
+ vshr.u64 $temp,`&Dlo("$A0xB")`,#16
+ vadd.u64 `&Dhi("$A0xB")`,`&Dhi("$A0xB")`,$temp
+ vld1.64 {$A5xB-$A6xB}, [$tinptr, :256]!
+ vshr.u64 $temp,`&Dhi("$A0xB")`,#16
+ vld1.64 {$A7xB}, [$tinptr, :128]!
+ vzip.16 `&Dlo("$A0xB")`,`&Dhi("$A0xB")`
+
+.LNEON_tail2:
+ vadd.u64 `&Dlo("$A1xB")`,`&Dlo("$A1xB")`,$temp
+ vst1.32 {`&Dlo("$A0xB")`[0]}, [$toutptr, :32]!
+ vshr.u64 $temp,`&Dlo("$A1xB")`,#16
+ vadd.u64 `&Dhi("$A1xB")`,`&Dhi("$A1xB")`,$temp
+ vshr.u64 $temp,`&Dhi("$A1xB")`,#16
+ vzip.16 `&Dlo("$A1xB")`,`&Dhi("$A1xB")`
+
+ vadd.u64 `&Dlo("$A2xB")`,`&Dlo("$A2xB")`,$temp
+ vst1.32 {`&Dlo("$A1xB")`[0]}, [$toutptr, :32]!
+ vshr.u64 $temp,`&Dlo("$A2xB")`,#16
+ vadd.u64 `&Dhi("$A2xB")`,`&Dhi("$A2xB")`,$temp
+ vshr.u64 $temp,`&Dhi("$A2xB")`,#16
+ vzip.16 `&Dlo("$A2xB")`,`&Dhi("$A2xB")`
+
+ vadd.u64 `&Dlo("$A3xB")`,`&Dlo("$A3xB")`,$temp
+ vst1.32 {`&Dlo("$A2xB")`[0]}, [$toutptr, :32]!
+ vshr.u64 $temp,`&Dlo("$A3xB")`,#16
+ vadd.u64 `&Dhi("$A3xB")`,`&Dhi("$A3xB")`,$temp
+ vshr.u64 $temp,`&Dhi("$A3xB")`,#16
+ vzip.16 `&Dlo("$A3xB")`,`&Dhi("$A3xB")`
+
+ vadd.u64 `&Dlo("$A4xB")`,`&Dlo("$A4xB")`,$temp
+ vst1.32 {`&Dlo("$A3xB")`[0]}, [$toutptr, :32]!
+ vshr.u64 $temp,`&Dlo("$A4xB")`,#16
+ vadd.u64 `&Dhi("$A4xB")`,`&Dhi("$A4xB")`,$temp
+ vshr.u64 $temp,`&Dhi("$A4xB")`,#16
+ vzip.16 `&Dlo("$A4xB")`,`&Dhi("$A4xB")`
+
+ vadd.u64 `&Dlo("$A5xB")`,`&Dlo("$A5xB")`,$temp
+ vst1.32 {`&Dlo("$A4xB")`[0]}, [$toutptr, :32]!
+ vshr.u64 $temp,`&Dlo("$A5xB")`,#16
+ vadd.u64 `&Dhi("$A5xB")`,`&Dhi("$A5xB")`,$temp
+ vshr.u64 $temp,`&Dhi("$A5xB")`,#16
+ vzip.16 `&Dlo("$A5xB")`,`&Dhi("$A5xB")`
+
+ vadd.u64 `&Dlo("$A6xB")`,`&Dlo("$A6xB")`,$temp
+ vst1.32 {`&Dlo("$A5xB")`[0]}, [$toutptr, :32]!
+ vshr.u64 $temp,`&Dlo("$A6xB")`,#16
+ vadd.u64 `&Dhi("$A6xB")`,`&Dhi("$A6xB")`,$temp
+ vld1.64 {$A0xB}, [$tinptr, :128]!
+ vshr.u64 $temp,`&Dhi("$A6xB")`,#16
+ vzip.16 `&Dlo("$A6xB")`,`&Dhi("$A6xB")`
+
+ vadd.u64 `&Dlo("$A7xB")`,`&Dlo("$A7xB")`,$temp
+ vst1.32 {`&Dlo("$A6xB")`[0]}, [$toutptr, :32]!
+ vshr.u64 $temp,`&Dlo("$A7xB")`,#16
+ vadd.u64 `&Dhi("$A7xB")`,`&Dhi("$A7xB")`,$temp
+ vld1.64 {$A1xB-$A2xB}, [$tinptr, :256]!
+ vshr.u64 $temp,`&Dhi("$A7xB")`,#16
+ vzip.16 `&Dlo("$A7xB")`,`&Dhi("$A7xB")`
+ subs $inner,$inner,#8
+ vst1.32 {`&Dlo("$A7xB")`[0]}, [$toutptr, :32]!
+
+ bne .LNEON_tail
+
+ vst1.32 {${temp}[0]}, [$toutptr, :32] @ top-most bit
+ sub $nptr,$nptr,$num,lsl#2 @ rewind $nptr
+ subs $aptr,sp,#0 @ clear carry flag
+ add $bptr,sp,$num,lsl#2
+
+.LNEON_sub:
+ ldmia $aptr!, {r4-r7}
+ ldmia $nptr!, {r8-r11}
+ sbcs r8, r4,r8
+ sbcs r9, r5,r9
+ sbcs r10,r6,r10
+ sbcs r11,r7,r11
+ teq $aptr,$bptr @ preserves carry
+ stmia $rptr!, {r8-r11}
+ bne .LNEON_sub
+
+ ldr r10, [$aptr] @ load top-most bit
+ veor q0,q0,q0
+ sub r11,$bptr,sp @ this is num*4
+ veor q1,q1,q1
+ mov $aptr,sp
+ sub $rptr,$rptr,r11 @ rewind $rptr
+ mov $nptr,$bptr @ second 3/4th of frame
+ sbcs r10,r10,#0 @ result is carry flag
+
+.LNEON_copy_n_zap:
+ ldmia $aptr!, {r4-r7}
+ ldmia $rptr, {r8-r11}
+ movcc r8, r4
+ vst1.64 {q0-q1}, [$nptr,:256]! @ wipe
+ movcc r9, r5
+ movcc r10,r6
+ vst1.64 {q0-q1}, [$nptr,:256]! @ wipe
+ movcc r11,r7
+ ldmia $aptr, {r4-r7}
+ stmia $rptr!, {r8-r11}
+ sub $aptr,$aptr,#16
+ ldmia $rptr, {r8-r11}
+ movcc r8, r4
+ vst1.64 {q0-q1}, [$aptr,:256]! @ wipe
+ movcc r9, r5
+ movcc r10,r6
+ vst1.64 {q0-q1}, [$nptr,:256]! @ wipe
+ movcc r11,r7
+ teq $aptr,$bptr @ preserves carry
+ stmia $rptr!, {r8-r11}
+ bne .LNEON_copy_n_zap
+
+ sub sp,ip,#96
+ vldmia sp!,{d8-d15}
+ ldmia sp!,{r4-r11}
+ ret @ bx lr
+.size bn_mul8x_mont_neon,.-bn_mul8x_mont_neon
+#endif
+___
+}
+$code.=<<___;
+.asciz "Montgomery multiplication for ARMv4/NEON, CRYPTOGAMS by <appro\@openssl.org>"
.align 2
+#if __ARM_ARCH__>=7
+.comm OPENSSL_armcap_P,4,4
+#endif
___
+$code =~ s/\`([^\`]*)\`/eval $1/gem;
$code =~ s/\bbx\s+lr\b/.word\t0xe12fff1e/gm; # make it possible to compile with -march=armv4
+$code =~ s/\bret\b/bx lr/gm;
print $code;
close STDOUT;
diff --git a/main/openssl/crypto/bn/asm/armv4-mont.s b/main/openssl/crypto/bn/asm/armv4-mont.s
index 64c220b5..fecae15e 100644
--- a/main/openssl/crypto/bn/asm/armv4-mont.s
+++ b/main/openssl/crypto/bn/asm/armv4-mont.s
@@ -1,13 +1,37 @@
+#include "arm_arch.h"
+
.text
+.code 32
+
+#if __ARM_ARCH__>=7
+.align 5
+.LOPENSSL_armcap:
+.word OPENSSL_armcap_P-bn_mul_mont
+#endif
.global bn_mul_mont
.type bn_mul_mont,%function
-.align 2
+.align 5
bn_mul_mont:
+ ldr ip,[sp,#4] @ load num
stmdb sp!,{r0,r2} @ sp points at argument block
- ldr r0,[sp,#3*4] @ load num
- cmp r0,#2
+#if __ARM_ARCH__>=7
+ tst ip,#7
+ bne .Lialu
+ adr r0,bn_mul_mont
+ ldr r2,.LOPENSSL_armcap
+ ldr r0,[r0,r2]
+ tst r0,#1 @ NEON available?
+ ldmia sp, {r0,r2}
+ beq .Lialu
+ add sp,sp,#8
+ b bn_mul8x_mont_neon
+.align 4
+.Lialu:
+#endif
+ cmp ip,#2
+ mov r0,ip @ load num
movlt r0,#0
addlt sp,sp,#2*4
blt .Labrt
@@ -137,9 +161,419 @@ bn_mul_mont:
ldmia sp!,{r4-r12,lr} @ restore registers
add sp,sp,#2*4 @ skip over {r0,r2}
mov r0,#1
-.Labrt: tst lr,#1
+.Labrt:
+#if __ARM_ARCH__>=5
+ bx lr @ .word 0xe12fff1e
+#else
+ tst lr,#1
moveq pc,lr @ be binary compatible with V4, yet
.word 0xe12fff1e @ interoperable with Thumb ISA:-)
+#endif
.size bn_mul_mont,.-bn_mul_mont
-.asciz "Montgomery multiplication for ARMv4, CRYPTOGAMS by <appro@openssl.org>"
+#if __ARM_ARCH__>=7
+.fpu neon
+
+.type bn_mul8x_mont_neon,%function
+.align 5
+bn_mul8x_mont_neon:
+ mov ip,sp
+ stmdb sp!,{r4-r11}
+ vstmdb sp!,{d8-d15} @ ABI specification says so
+ ldmia ip,{r4-r5} @ load rest of parameter block
+
+ sub r7,sp,#16
+ vld1.32 {d28[0]}, [r2,:32]!
+ sub r7,r7,r5,lsl#4
+ vld1.32 {d0-d3}, [r1]! @ can't specify :32 :-(
+ and r7,r7,#-64
+ vld1.32 {d30[0]}, [r4,:32]
+ mov sp,r7 @ alloca
+ veor d8,d8,d8
+ subs r8,r5,#8
+ vzip.16 d28,d8
+
+ vmull.u32 q6,d28,d0[0]
+ vmull.u32 q7,d28,d0[1]
+ vmull.u32 q8,d28,d1[0]
+ vshl.i64 d10,d13,#16
+ vmull.u32 q9,d28,d1[1]
+
+ vadd.u64 d10,d10,d12
+ veor d8,d8,d8
+ vmul.u32 d29,d10,d30
+
+ vmull.u32 q10,d28,d2[0]
+ vld1.32 {d4-d7}, [r3]!
+ vmull.u32 q11,d28,d2[1]
+ vmull.u32 q12,d28,d3[0]
+ vzip.16 d29,d8
+ vmull.u32 q13,d28,d3[1]
+
+ bne .LNEON_1st
+
+ @ special case for num=8, everything is in register bank...
+
+ vmlal.u32 q6,d29,d4[0]
+ sub r9,r5,#1
+ vmlal.u32 q7,d29,d4[1]
+ vmlal.u32 q8,d29,d5[0]
+ vmlal.u32 q9,d29,d5[1]
+
+ vmlal.u32 q10,d29,d6[0]
+ vmov q5,q6
+ vmlal.u32 q11,d29,d6[1]
+ vmov q6,q7
+ vmlal.u32 q12,d29,d7[0]
+ vmov q7,q8
+ vmlal.u32 q13,d29,d7[1]
+ vmov q8,q9
+ vmov q9,q10
+ vshr.u64 d10,d10,#16
+ vmov q10,q11
+ vmov q11,q12
+ vadd.u64 d10,d10,d11
+ vmov q12,q13
+ veor q13,q13
+ vshr.u64 d10,d10,#16
+
+ b .LNEON_outer8
+
+.align 4
+.LNEON_outer8:
+ vld1.32 {d28[0]}, [r2,:32]!
+ veor d8,d8,d8
+ vzip.16 d28,d8
+ vadd.u64 d12,d12,d10
+
+ vmlal.u32 q6,d28,d0[0]
+ vmlal.u32 q7,d28,d0[1]
+ vmlal.u32 q8,d28,d1[0]
+ vshl.i64 d10,d13,#16
+ vmlal.u32 q9,d28,d1[1]
+
+ vadd.u64 d10,d10,d12
+ veor d8,d8,d8
+ subs r9,r9,#1
+ vmul.u32 d29,d10,d30
+
+ vmlal.u32 q10,d28,d2[0]
+ vmlal.u32 q11,d28,d2[1]
+ vmlal.u32 q12,d28,d3[0]
+ vzip.16 d29,d8
+ vmlal.u32 q13,d28,d3[1]
+
+ vmlal.u32 q6,d29,d4[0]
+ vmlal.u32 q7,d29,d4[1]
+ vmlal.u32 q8,d29,d5[0]
+ vmlal.u32 q9,d29,d5[1]
+
+ vmlal.u32 q10,d29,d6[0]
+ vmov q5,q6
+ vmlal.u32 q11,d29,d6[1]
+ vmov q6,q7
+ vmlal.u32 q12,d29,d7[0]
+ vmov q7,q8
+ vmlal.u32 q13,d29,d7[1]
+ vmov q8,q9
+ vmov q9,q10
+ vshr.u64 d10,d10,#16
+ vmov q10,q11
+ vmov q11,q12
+ vadd.u64 d10,d10,d11
+ vmov q12,q13
+ veor q13,q13
+ vshr.u64 d10,d10,#16
+
+ bne .LNEON_outer8
+
+ vadd.u64 d12,d12,d10
+ mov r7,sp
+ vshr.u64 d10,d12,#16
+ mov r8,r5
+ vadd.u64 d13,d13,d10
+ add r6,sp,#16
+ vshr.u64 d10,d13,#16
+ vzip.16 d12,d13
+
+ b .LNEON_tail2
+
+.align 4
+.LNEON_1st:
+ vmlal.u32 q6,d29,d4[0]
+ vld1.32 {d0-d3}, [r1]!
+ vmlal.u32 q7,d29,d4[1]
+ subs r8,r8,#8
+ vmlal.u32 q8,d29,d5[0]
+ vmlal.u32 q9,d29,d5[1]
+
+ vmlal.u32 q10,d29,d6[0]
+ vld1.32 {d4-d5}, [r3]!
+ vmlal.u32 q11,d29,d6[1]
+ vst1.64 {q6-q7}, [r7,:256]!
+ vmlal.u32 q12,d29,d7[0]
+ vmlal.u32 q13,d29,d7[1]
+ vst1.64 {q8-q9}, [r7,:256]!
+
+ vmull.u32 q6,d28,d0[0]
+ vld1.32 {d6-d7}, [r3]!
+ vmull.u32 q7,d28,d0[1]
+ vst1.64 {q10-q11}, [r7,:256]!
+ vmull.u32 q8,d28,d1[0]
+ vmull.u32 q9,d28,d1[1]
+ vst1.64 {q12-q13}, [r7,:256]!
+
+ vmull.u32 q10,d28,d2[0]
+ vmull.u32 q11,d28,d2[1]
+ vmull.u32 q12,d28,d3[0]
+ vmull.u32 q13,d28,d3[1]
+
+ bne .LNEON_1st
+
+ vmlal.u32 q6,d29,d4[0]
+ add r6,sp,#16
+ vmlal.u32 q7,d29,d4[1]
+ sub r1,r1,r5,lsl#2 @ rewind r1
+ vmlal.u32 q8,d29,d5[0]
+ vld1.64 {q5}, [sp,:128]
+ vmlal.u32 q9,d29,d5[1]
+ sub r9,r5,#1
+
+ vmlal.u32 q10,d29,d6[0]
+ vst1.64 {q6-q7}, [r7,:256]!
+ vmlal.u32 q11,d29,d6[1]
+ vshr.u64 d10,d10,#16
+ vld1.64 {q6}, [r6, :128]!
+ vmlal.u32 q12,d29,d7[0]
+ vst1.64 {q8-q9}, [r7,:256]!
+ vmlal.u32 q13,d29,d7[1]
+
+ vst1.64 {q10-q11}, [r7,:256]!
+ vadd.u64 d10,d10,d11
+ veor q4,q4,q4
+ vst1.64 {q12-q13}, [r7,:256]!
+ vld1.64 {q7-q8}, [r6, :256]!
+ vst1.64 {q4}, [r7,:128]
+ vshr.u64 d10,d10,#16
+
+ b .LNEON_outer
+
+.align 4
+.LNEON_outer:
+ vld1.32 {d28[0]}, [r2,:32]!
+ sub r3,r3,r5,lsl#2 @ rewind r3
+ vld1.32 {d0-d3}, [r1]!
+ veor d8,d8,d8
+ mov r7,sp
+ vzip.16 d28,d8
+ sub r8,r5,#8
+ vadd.u64 d12,d12,d10
+
+ vmlal.u32 q6,d28,d0[0]
+ vld1.64 {q9-q10},[r6,:256]!
+ vmlal.u32 q7,d28,d0[1]
+ vmlal.u32 q8,d28,d1[0]
+ vld1.64 {q11-q12},[r6,:256]!
+ vmlal.u32 q9,d28,d1[1]
+
+ vshl.i64 d10,d13,#16
+ veor d8,d8,d8
+ vadd.u64 d10,d10,d12
+ vld1.64 {q13},[r6,:128]!
+ vmul.u32 d29,d10,d30
+
+ vmlal.u32 q10,d28,d2[0]
+ vld1.32 {d4-d7}, [r3]!
+ vmlal.u32 q11,d28,d2[1]
+ vmlal.u32 q12,d28,d3[0]
+ vzip.16 d29,d8
+ vmlal.u32 q13,d28,d3[1]
+
+.LNEON_inner:
+ vmlal.u32 q6,d29,d4[0]
+ vld1.32 {d0-d3}, [r1]!
+ vmlal.u32 q7,d29,d4[1]
+ subs r8,r8,#8
+ vmlal.u32 q8,d29,d5[0]
+ vmlal.u32 q9,d29,d5[1]
+ vst1.64 {q6-q7}, [r7,:256]!
+
+ vmlal.u32 q10,d29,d6[0]
+ vld1.64 {q6}, [r6, :128]!
+ vmlal.u32 q11,d29,d6[1]
+ vst1.64 {q8-q9}, [r7,:256]!
+ vmlal.u32 q12,d29,d7[0]
+ vld1.64 {q7-q8}, [r6, :256]!
+ vmlal.u32 q13,d29,d7[1]
+ vst1.64 {q10-q11}, [r7,:256]!
+
+ vmlal.u32 q6,d28,d0[0]
+ vld1.64 {q9-q10}, [r6, :256]!
+ vmlal.u32 q7,d28,d0[1]
+ vst1.64 {q12-q13}, [r7,:256]!
+ vmlal.u32 q8,d28,d1[0]
+ vld1.64 {q11-q12}, [r6, :256]!
+ vmlal.u32 q9,d28,d1[1]
+ vld1.32 {d4-d7}, [r3]!
+
+ vmlal.u32 q10,d28,d2[0]
+ vld1.64 {q13}, [r6, :128]!
+ vmlal.u32 q11,d28,d2[1]
+ vmlal.u32 q12,d28,d3[0]
+ vmlal.u32 q13,d28,d3[1]
+
+ bne .LNEON_inner
+
+ vmlal.u32 q6,d29,d4[0]
+ add r6,sp,#16
+ vmlal.u32 q7,d29,d4[1]
+ sub r1,r1,r5,lsl#2 @ rewind r1
+ vmlal.u32 q8,d29,d5[0]
+ vld1.64 {q5}, [sp,:128]
+ vmlal.u32 q9,d29,d5[1]
+ subs r9,r9,#1
+
+ vmlal.u32 q10,d29,d6[0]
+ vst1.64 {q6-q7}, [r7,:256]!
+ vmlal.u32 q11,d29,d6[1]
+ vld1.64 {q6}, [r6, :128]!
+ vshr.u64 d10,d10,#16
+ vst1.64 {q8-q9}, [r7,:256]!
+ vmlal.u32 q12,d29,d7[0]
+ vld1.64 {q7-q8}, [r6, :256]!
+ vmlal.u32 q13,d29,d7[1]
+
+ vst1.64 {q10-q11}, [r7,:256]!
+ vadd.u64 d10,d10,d11
+ vst1.64 {q12-q13}, [r7,:256]!
+ vshr.u64 d10,d10,#16
+
+ bne .LNEON_outer
+
+ mov r7,sp
+ mov r8,r5
+
+.LNEON_tail:
+ vadd.u64 d12,d12,d10
+ vld1.64 {q9-q10}, [r6, :256]!
+ vshr.u64 d10,d12,#16
+ vadd.u64 d13,d13,d10
+ vld1.64 {q11-q12}, [r6, :256]!
+ vshr.u64 d10,d13,#16
+ vld1.64 {q13}, [r6, :128]!
+ vzip.16 d12,d13
+
+.LNEON_tail2:
+ vadd.u64 d14,d14,d10
+ vst1.32 {d12[0]}, [r7, :32]!
+ vshr.u64 d10,d14,#16
+ vadd.u64 d15,d15,d10
+ vshr.u64 d10,d15,#16
+ vzip.16 d14,d15
+
+ vadd.u64 d16,d16,d10
+ vst1.32 {d14[0]}, [r7, :32]!
+ vshr.u64 d10,d16,#16
+ vadd.u64 d17,d17,d10
+ vshr.u64 d10,d17,#16
+ vzip.16 d16,d17
+
+ vadd.u64 d18,d18,d10
+ vst1.32 {d16[0]}, [r7, :32]!
+ vshr.u64 d10,d18,#16
+ vadd.u64 d19,d19,d10
+ vshr.u64 d10,d19,#16
+ vzip.16 d18,d19
+
+ vadd.u64 d20,d20,d10
+ vst1.32 {d18[0]}, [r7, :32]!
+ vshr.u64 d10,d20,#16
+ vadd.u64 d21,d21,d10
+ vshr.u64 d10,d21,#16
+ vzip.16 d20,d21
+
+ vadd.u64 d22,d22,d10
+ vst1.32 {d20[0]}, [r7, :32]!
+ vshr.u64 d10,d22,#16
+ vadd.u64 d23,d23,d10
+ vshr.u64 d10,d23,#16
+ vzip.16 d22,d23
+
+ vadd.u64 d24,d24,d10
+ vst1.32 {d22[0]}, [r7, :32]!
+ vshr.u64 d10,d24,#16
+ vadd.u64 d25,d25,d10
+ vld1.64 {q6}, [r6, :128]!
+ vshr.u64 d10,d25,#16
+ vzip.16 d24,d25
+
+ vadd.u64 d26,d26,d10
+ vst1.32 {d24[0]}, [r7, :32]!
+ vshr.u64 d10,d26,#16
+ vadd.u64 d27,d27,d10
+ vld1.64 {q7-q8}, [r6, :256]!
+ vshr.u64 d10,d27,#16
+ vzip.16 d26,d27
+ subs r8,r8,#8
+ vst1.32 {d26[0]}, [r7, :32]!
+
+ bne .LNEON_tail
+
+ vst1.32 {d10[0]}, [r7, :32] @ top-most bit
+ sub r3,r3,r5,lsl#2 @ rewind r3
+ subs r1,sp,#0 @ clear carry flag
+ add r2,sp,r5,lsl#2
+
+.LNEON_sub:
+ ldmia r1!, {r4-r7}
+ ldmia r3!, {r8-r11}
+ sbcs r8, r4,r8
+ sbcs r9, r5,r9
+ sbcs r10,r6,r10
+ sbcs r11,r7,r11
+ teq r1,r2 @ preserves carry
+ stmia r0!, {r8-r11}
+ bne .LNEON_sub
+
+ ldr r10, [r1] @ load top-most bit
+ veor q0,q0,q0
+ sub r11,r2,sp @ this is num*4
+ veor q1,q1,q1
+ mov r1,sp
+ sub r0,r0,r11 @ rewind r0
+ mov r3,r2 @ second 3/4th of frame
+ sbcs r10,r10,#0 @ result is carry flag
+
+.LNEON_copy_n_zap:
+ ldmia r1!, {r4-r7}
+ ldmia r0, {r8-r11}
+ movcc r8, r4
+ vst1.64 {q0-q1}, [r3,:256]! @ wipe
+ movcc r9, r5
+ movcc r10,r6
+ vst1.64 {q0-q1}, [r3,:256]! @ wipe
+ movcc r11,r7
+ ldmia r1, {r4-r7}
+ stmia r0!, {r8-r11}
+ sub r1,r1,#16
+ ldmia r0, {r8-r11}
+ movcc r8, r4
+ vst1.64 {q0-q1}, [r1,:256]! @ wipe
+ movcc r9, r5
+ movcc r10,r6
+ vst1.64 {q0-q1}, [r3,:256]! @ wipe
+ movcc r11,r7
+ teq r1,r2 @ preserves carry
+ stmia r0!, {r8-r11}
+ bne .LNEON_copy_n_zap
+
+ sub sp,ip,#96
+ vldmia sp!,{d8-d15}
+ ldmia sp!,{r4-r11}
+ bx lr @ .word 0xe12fff1e
+.size bn_mul8x_mont_neon,.-bn_mul8x_mont_neon
+#endif
+.asciz "Montgomery multiplication for ARMv4/NEON, CRYPTOGAMS by <appro@openssl.org>"
.align 2
+#if __ARM_ARCH__>=7
+.comm OPENSSL_armcap_P,4,4
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 07:21:14 +0000