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authorParménides GV <parmegv@sdf.org>2014-10-02 18:19:30 +0200
committerParménides GV <parmegv@sdf.org>2014-10-02 18:19:30 +0200
commit34643c6b5ab0643383e24025876b0d69859ba4f9 (patch)
treecb15666fb01b0f0410327ae7aaa23df444ac3b4c /app/openssl/crypto/bn/asm/armv4-gf2m.S
parent22b7ee4614a2f47d55496de8a9b55040c0f4ba85 (diff)
parent914c5156b014970dde717b9a27c0c69f11cc7d98 (diff)
Merge branch 'feature/Update-ndk-version-and-native-binaries-#6142' into develop
Diffstat (limited to 'app/openssl/crypto/bn/asm/armv4-gf2m.S')
-rw-r--r--app/openssl/crypto/bn/asm/armv4-gf2m.S106
1 files changed, 47 insertions, 59 deletions
diff --git a/app/openssl/crypto/bn/asm/armv4-gf2m.S b/app/openssl/crypto/bn/asm/armv4-gf2m.S
index 038f0864..0fa25b26 100644
--- a/app/openssl/crypto/bn/asm/armv4-gf2m.S
+++ b/app/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