diff options
author | Parménides GV <parmegv@sdf.org> | 2014-10-02 18:19:30 +0200 |
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committer | Parménides GV <parmegv@sdf.org> | 2014-10-02 18:19:30 +0200 |
commit | 34643c6b5ab0643383e24025876b0d69859ba4f9 (patch) | |
tree | cb15666fb01b0f0410327ae7aaa23df444ac3b4c /app/openssl/crypto/bn/asm/armv4-gf2m.S | |
parent | 22b7ee4614a2f47d55496de8a9b55040c0f4ba85 (diff) | |
parent | 914c5156b014970dde717b9a27c0c69f11cc7d98 (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.S | 106 |
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 |