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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;  Copyright(c) 2011-2016 Intel Corporation All rights reserved.
;
;  Redistribution and use in source and binary forms, with or without
;  modification, are permitted provided that the following conditions 
;  are met:
;    * Redistributions of source code must retain the above copyright
;      notice, this list of conditions and the following disclaimer.
;    * Redistributions in binary form must reproduce the above copyright
;      notice, this list of conditions and the following disclaimer in
;      the documentation and/or other materials provided with the
;      distribution.
;    * Neither the name of Intel Corporation nor the names of its
;      contributors may be used to endorse or promote products derived
;      from this software without specific prior written permission.
;
;  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
;  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
;  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
;  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
;  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
;  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
;  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
;  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
;  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
;  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
;  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

%include "sha1_mb_mgr_datastruct.asm"
%include "reg_sizes.asm"

%ifdef HAVE_AS_KNOWS_AVX512

default rel

;; code to compute oct SHA1 using AVX-512
;; outer calling routine takes care of save and restore of XMM registers

;; Function clobbers: rax, rcx, rdx,   rbx, rsi, rdi, r9-r15; zmm0-31
;; Windows clobbers:  rax rbx     rdx rsi rdi        r9 r10 r11 r12 r13 r14 r15
;; Windows preserves:         rcx             rbp r8
;;
;; Linux clobbers:    rax rbx rcx rdx rsi            r9 r10 r11 r12 r13 r14 r15
;; Linux preserves:                       rdi rbp r8
;;
;; clobbers zmm0-31

%define APPEND(a,b) a %+ b

%ifidn __OUTPUT_FORMAT__, win64
   %define arg1 rcx	; arg0 preserved
   %define arg2 rdx	; arg1
   %define reg3 r8	; arg2 preserved
   %define reg4 r9	; arg3
   %define var1 rdi
   %define var2 rsi
   %define local_func_decl(func_name) global func_name
 %else
   %define arg1 rdi	; arg0
   %define arg2 rsi	; arg1
   %define var1 rdx	; arg2
   %define var2 rcx	; arg3
   %define local_func_decl(func_name) global func_name:function internal
%endif

%define state    arg1
%define num_blks arg2

%define	IN	(state + _data_ptr)
%define DIGEST	state
%define SIZE	num_blks

%define IDX  var1

%define A	zmm0
%define B	zmm1
%define C	zmm2
%define D	zmm3
%define E	zmm4
%define KT  	zmm5
%define AA	zmm6
%define BB	zmm7
%define CC	zmm8
%define DD	zmm9
%define EE	zmm10
%define TMP0	zmm11
%define TMP1	zmm12
%define TMP2	zmm13

%define W0	zmm16
%define W1	zmm17
%define W2	zmm18
%define W3	zmm19
%define W4	zmm20
%define W5	zmm21
%define W6	zmm22
%define W7	zmm23
%define W8	zmm24
%define W9	zmm25
%define W10	zmm26
%define W11	zmm27
%define W12	zmm28
%define W13	zmm29
%define W14	zmm30
%define W15	zmm31

%define inp0	r9
%define inp1	r10
%define inp2	r11
%define inp3	r12
%define inp4	r13
%define inp5	r14
%define inp6	r15
%define inp7	rax

%macro TRANSPOSE16 18
%define %%r0 %1
%define %%r1 %2
%define %%r2 %3
%define %%r3 %4
%define %%r4 %5
%define %%r5 %6
%define %%r6 %7
%define %%r7 %8
%define %%r8 %9
%define %%r9 %10
%define %%r10 %11
%define %%r11 %12
%define %%r12 %13
%define %%r13 %14
%define %%r14 %15
%define %%r15 %16
%define %%t0 %17
%define %%t1 %18

; r0  = {a15 a14 a13 a12   a11 a10 a9 a8   a7 a6 a5 a4   a3 a2 a1 a0}
; r1  = {b15 b14 b13 b12   b11 b10 b9 b8   b7 b6 b5 b4   b3 b2 b1 b0}
; r2  = {c15 c14 c13 c12   c11 c10 c9 c8   c7 c6 c5 c4   c3 c2 c1 c0}
; r3  = {d15 d14 d13 d12   d11 d10 d9 d8   d7 d6 d5 d4   d3 d2 d1 d0}
; r4  = {e15 e14 e13 e12   e11 e10 e9 e8   e7 e6 e5 e4   e3 e2 e1 e0}
; r5  = {f15 f14 f13 f12   f11 f10 f9 f8   f7 f6 f5 f4   f3 f2 f1 f0}
; r6  = {g15 g14 g13 g12   g11 g10 g9 g8   g7 g6 g5 g4   g3 g2 g1 g0}
; r7  = {h15 h14 h13 h12   h11 h10 h9 h8   h7 h6 h5 h4   h3 h2 h1 h0}
; r8  = {i15 i14 i13 i12   i11 i10 i9 i8   i7 i6 i5 i4   i3 i2 i1 i0}
; r9  = {j15 j14 j13 j12   j11 j10 j9 j8   j7 j6 j5 j4   j3 j2 j1 j0}
; r10 = {k15 k14 k13 k12   k11 k10 k9 k8   k7 k6 k5 k4   k3 k2 k1 k0}
; r11 = {l15 l14 l13 l12   l11 l10 l9 l8   l7 l6 l5 l4   l3 l2 l1 l0}
; r12 = {m15 m14 m13 m12   m11 m10 m9 m8   m7 m6 m5 m4   m3 m2 m1 m0}
; r13 = {n15 n14 n13 n12   n11 n10 n9 n8   n7 n6 n5 n4   n3 n2 n1 n0}
; r14 = {o15 o14 o13 o12   o11 o10 o9 o8   o7 o6 o5 o4   o3 o2 o1 o0}
; r15 = {p15 p14 p13 p12   p11 p10 p9 p8   p7 p6 p5 p4   p3 p2 p1 p0}

; r0   = {p0  o0  n0  m0    l0  k0  j0  i0    h0  g0  f0  e0    d0  c0  b0  a0}
; r1   = {p1  o1  n1  m1    l1  k1  j1  i1    h1  g1  f1  e1    d1  c1  b1  a1}
; r2   = {p2  o2  n2  m2    l2  k2  j2  i2    h2  g2  f2  e2    d2  c2  b2  a2}
; r3   = {p3  o3  n3  m3    l3  k3  j3  i3    h3  g3  f3  e3    d3  c3  b3  a3}
; r4   = {p4  o4  n4  m4    l4  k4  j4  i4    h4  g4  f4  e4    d4  c4  b4  a4}
; r5   = {p5  o5  n5  m5    l5  k5  j5  i5    h5  g5  f5  e5    d5  c5  b5  a5}
; r6   = {p6  o6  n6  m6    l6  k6  j6  i6    h6  g6  f6  e6    d6  c6  b6  a6}
; r7   = {p7  o7  n7  m7    l7  k7  j7  i7    h7  g7  f7  e7    d7  c7  b7  a7}
; r8   = {p8  o8  n8  m8    l8  k8  j8  i8    h8  g8  f8  e8    d8  c8  b8  a8}
; r9   = {p9  o9  n9  m9    l9  k9  j9  i9    h9  g9  f9  e9    d9  c9  b9  a9}
; r10  = {p10 o10 n10 m10   l10 k10 j10 i10   h10 g10 f10 e10   d10 c10 b10 a10}
; r11  = {p11 o11 n11 m11   l11 k11 j11 i11   h11 g11 f11 e11   d11 c11 b11 a11}
; r12  = {p12 o12 n12 m12   l12 k12 j12 i12   h12 g12 f12 e12   d12 c12 b12 a12}
; r13  = {p13 o13 n13 m13   l13 k13 j13 i13   h13 g13 f13 e13   d13 c13 b13 a13}
; r14  = {p14 o14 n14 m14   l14 k14 j14 i14   h14 g14 f14 e14   d14 c14 b14 a14}
; r15  = {p15 o15 n15 m15   l15 k15 j15 i15   h15 g15 f15 e15   d15 c15 b15 a15}


	; process top half (r0..r3) {a...d}
	vshufps	%%t0, %%r0, %%r1, 0x44	; t0 = {b13 b12 a13 a12   b9  b8  a9  a8   b5 b4 a5 a4   b1 b0 a1 a0}
	vshufps	%%r0, %%r0, %%r1, 0xEE	; r0 = {b15 b14 a15 a14   b11 b10 a11 a10  b7 b6 a7 a6   b3 b2 a3 a2}
	vshufps	%%t1, %%r2, %%r3, 0x44	; t1 = {d13 d12 c13 c12   d9  d8  c9  c8   d5 d4 c5 c4   d1 d0 c1 c0}
	vshufps	%%r2, %%r2, %%r3, 0xEE	; r2 = {d15 d14 c15 c14   d11 d10 c11 c10  d7 d6 c7 c6   d3 d2 c3 c2}

	vshufps	%%r3, %%t0, %%t1, 0xDD	; r3 = {d13 c13 b13 a13   d9  c9  b9  a9   d5 c5 b5 a5   d1 c1 b1 a1}
	vshufps	%%r1, %%r0, %%r2, 0x88	; r1 = {d14 c14 b14 a14   d10 c10 b10 a10  d6 c6 b6 a6   d2 c2 b2 a2}
	vshufps	%%r0, %%r0, %%r2, 0xDD	; r0 = {d15 c15 b15 a15   d11 c11 b11 a11  d7 c7 b7 a7   d3 c3 b3 a3}
	vshufps	%%t0, %%t0, %%t1, 0x88	; t0 = {d12 c12 b12 a12   d8  c8  b8  a8   d4 c4 b4 a4   d0 c0 b0 a0}

	; use r2 in place of t0
	vshufps	%%r2, %%r4, %%r5, 0x44	; r2 = {f13 f12 e13 e12   f9  f8  e9  e8   f5 f4 e5 e4   f1 f0 e1 e0}
	vshufps	%%r4, %%r4, %%r5, 0xEE	; r4 = {f15 f14 e15 e14   f11 f10 e11 e10  f7 f6 e7 e6   f3 f2 e3 e2}
	vshufps %%t1, %%r6, %%r7, 0x44	; t1 = {h13 h12 g13 g12   h9  h8  g9  g8   h5 h4 g5 g4   h1 h0 g1 g0}
	vshufps	%%r6, %%r6, %%r7, 0xEE	; r6 = {h15 h14 g15 g14   h11 h10 g11 g10  h7 h6 g7 g6   h3 h2 g3 g2}

	vshufps	%%r7, %%r2, %%t1, 0xDD	; r7 = {h13 g13 f13 e13   h9  g9  f9  e9   h5 g5 f5 e5   h1 g1 f1 e1}
	vshufps	%%r5, %%r4, %%r6, 0x88	; r5 = {h14 g14 f14 e14   h10 g10 f10 e10  h6 g6 f6 e6   h2 g2 f2 e2}
	vshufps	%%r4, %%r4, %%r6, 0xDD	; r4 = {h15 g15 f15 e15   h11 g11 f11 e11  h7 g7 f7 e7   h3 g3 f3 e3}
	vshufps	%%r2, %%r2, %%t1, 0x88	; r2 = {h12 g12 f12 e12   h8  g8  f8  e8   h4 g4 f4 e4   h0 g0 f0 e0}

	; use r6 in place of t0
	vshufps	%%r6, %%r8, %%r9,    0x44	; r6  = {j13 j12 i13 i12   j9  j8  i9  i8   j5 j4 i5 i4   j1 j0 i1 i0}
	vshufps	%%r8, %%r8, %%r9,    0xEE	; r8  = {j15 j14 i15 i14   j11 j10 i11 i10  j7 j6 i7 i6   j3 j2 i3 i2}
	vshufps	%%t1, %%r10, %%r11,  0x44	; t1  = {l13 l12 k13 k12   l9  l8  k9  k8   l5 l4 k5 k4   l1 l0 k1 k0}
	vshufps	%%r10, %%r10, %%r11, 0xEE	; r10 = {l15 l14 k15 k14   l11 l10 k11 k10  l7 l6 k7 k6   l3 l2 k3 k2}

	vshufps	%%r11, %%r6, %%t1, 0xDD		; r11 = {l13 k13 j13 113   l9  k9  j9  i9   l5 k5 j5 i5   l1 k1 j1 i1}
	vshufps	%%r9, %%r8, %%r10, 0x88		; r9  = {l14 k14 j14 114   l10 k10 j10 i10  l6 k6 j6 i6   l2 k2 j2 i2}
	vshufps	%%r8, %%r8, %%r10, 0xDD		; r8  = {l15 k15 j15 115   l11 k11 j11 i11  l7 k7 j7 i7   l3 k3 j3 i3}
	vshufps	%%r6, %%r6, %%t1,  0x88		; r6  = {l12 k12 j12 112   l8  k8  j8  i8   l4 k4 j4 i4   l0 k0 j0 i0}

	; use r10 in place of t0
	vshufps	%%r10, %%r12, %%r13, 0x44	; r10 = {n13 n12 m13 m12   n9  n8  m9  m8   n5 n4 m5 m4   n1 n0 a1 m0}
	vshufps	%%r12, %%r12, %%r13, 0xEE	; r12 = {n15 n14 m15 m14   n11 n10 m11 m10  n7 n6 m7 m6   n3 n2 a3 m2}
	vshufps	%%t1, %%r14, %%r15,  0x44	; t1  = {p13 p12 013 012   p9  p8  09  08   p5 p4 05 04   p1 p0 01 00}
	vshufps	%%r14, %%r14, %%r15, 0xEE	; r14 = {p15 p14 015 014   p11 p10 011 010  p7 p6 07 06   p3 p2 03 02}

	vshufps	%%r15, %%r10, %%t1,  0xDD	; r15 = {p13 013 n13 m13   p9  09  n9  m9   p5 05 n5 m5   p1 01 n1 m1}
	vshufps	%%r13, %%r12, %%r14, 0x88	; r13 = {p14 014 n14 m14   p10 010 n10 m10  p6 06 n6 m6   p2 02 n2 m2}
	vshufps	%%r12, %%r12, %%r14, 0xDD	; r12 = {p15 015 n15 m15   p11 011 n11 m11  p7 07 n7 m7   p3 03 n3 m3}
	vshufps	%%r10, %%r10, %%t1,  0x88	; r10 = {p12 012 n12 m12   p8  08  n8  m8   p4 04 n4 m4   p0 00 n0 m0}

;; At this point, the registers that contain interesting data are:
;; t0, r3, r1, r0, r2, r7, r5, r4, r6, r11, r9, r8, r10, r15, r13, r12
;; Can use t1 and r14 as scratch registers

	vmovdqa32 %%r14, [PSHUFFLE_TRANSPOSE16_MASK1]
	vpermi2q  %%r14, %%t0, %%r2		; r14 = {h8  g8  f8  e8   d8  c8  b8  a8   h0 g0 f0 e0	 d0 c0 b0 a0}
	vmovdqa32 %%t1,  [PSHUFFLE_TRANSPOSE16_MASK2]
	vpermi2q  %%t1,  %%t0, %%r2		; t1  = {h12 g12 f12 e12  d12 c12 b12 a12  h4 g4 f4 e4	 d4 c4 b4 a4}

	vmovdqa32 %%r2, [PSHUFFLE_TRANSPOSE16_MASK1]
	vpermi2q  %%r2, %%r3, %%r7		; r2  = {h9  g9  f9  e9   d9  c9  b9  a9   h1 g1 f1 e1	 d1 c1 b1 a1}
	vmovdqa32 %%t0, [PSHUFFLE_TRANSPOSE16_MASK2]
	vpermi2q  %%t0, %%r3, %%r7		; t0  = {h13 g13 f13 e13  d13 c13 b13 a13  h5 g5 f5 e5	 d5 c5 b5 a5}

	vmovdqa32 %%r3, [PSHUFFLE_TRANSPOSE16_MASK1]
	vpermi2q  %%r3, %%r1, %%r5		; r3  = {h10 g10 f10 e10  d10 c10 b10 a10  h2 g2 f2 e2	 d2 c2 b2 a2}
	vmovdqa32 %%r7, [PSHUFFLE_TRANSPOSE16_MASK2]
	vpermi2q  %%r7, %%r1, %%r5		; r7  = {h14 g14 f14 e14  d14 c14 b14 a14  h6 g6 f6 e6	 d6 c6 b6 a6}

	vmovdqa32 %%r1, [PSHUFFLE_TRANSPOSE16_MASK1]
	vpermi2q  %%r1, %%r0, %%r4		; r1  = {h11 g11 f11 e11  d11 c11 b11 a11  h3 g3 f3 e3	 d3 c3 b3 a3}
	vmovdqa32 %%r5, [PSHUFFLE_TRANSPOSE16_MASK2]
	vpermi2q  %%r5, %%r0, %%r4		; r5  = {h15 g15 f15 e15  d15 c15 b15 a15  h7 g7 f7 e7	 d7 c7 b7 a7}

	vmovdqa32 %%r0, [PSHUFFLE_TRANSPOSE16_MASK1]
	vpermi2q  %%r0, %%r6, %%r10		; r0 = {p8  o8  n8  m8   l8  k8  j8  i8   p0 o0 n0 m0	 l0 k0 j0 i0}
	vmovdqa32 %%r4,  [PSHUFFLE_TRANSPOSE16_MASK2]
	vpermi2q  %%r4, %%r6, %%r10		; r4  = {p12 o12 n12 m12  l12 k12 j12 i12  p4 o4 n4 m4	 l4 k4 j4 i4}

	vmovdqa32 %%r6, [PSHUFFLE_TRANSPOSE16_MASK1]
	vpermi2q  %%r6, %%r11, %%r15		; r6  = {p9  o9  n9  m9   l9  k9  j9  i9   p1 o1 n1 m1	 l1 k1 j1 i1}
	vmovdqa32 %%r10, [PSHUFFLE_TRANSPOSE16_MASK2]
	vpermi2q  %%r10, %%r11, %%r15		; r10 = {p13 o13 n13 m13  l13 k13 j13 i13  p5 o5 n5 m5	 l5 k5 j5 i5}

	vmovdqa32 %%r11, [PSHUFFLE_TRANSPOSE16_MASK1]
	vpermi2q  %%r11, %%r9, %%r13		; r11 = {p10 o10 n10 m10  l10 k10 j10 i10  p2 o2 n2 m2	 l2 k2 j2 i2}
	vmovdqa32 %%r15, [PSHUFFLE_TRANSPOSE16_MASK2]
	vpermi2q  %%r15, %%r9, %%r13		; r15 = {p14 o14 n14 m14  l14 k14 j14 i14  p6 o6 n6 m6	 l6 k6 j6 i6}

	vmovdqa32 %%r9, [PSHUFFLE_TRANSPOSE16_MASK1]
	vpermi2q  %%r9, %%r8, %%r12		; r9  = {p11 o11 n11 m11  l11 k11 j11 i11  p3 o3 n3 m3	 l3 k3 j3 i3}
	vmovdqa32 %%r13, [PSHUFFLE_TRANSPOSE16_MASK2]
	vpermi2q  %%r13, %%r8, %%r12		; r13 = {p15 o15 n15 m15  l15 k15 j15 i15  p7 o7 n7 m7	 l7 k7 j7 i7}

;; At this point r8 and r12 can be used as scratch registers

	vshuff64x2 %%r8, %%r14, %%r0, 0xEE 	; r8  = {p8  o8  n8  m8   l8  k8  j8  i8   h8 g8 f8 e8   d8 c8 b8 a8}
	vshuff64x2 %%r0, %%r14, %%r0, 0x44 	; r0  = {p0  o0  n0  m0   l0  k0  j0  i0   h0 g0 f0 e0   d0 c0 b0 a0}

	vshuff64x2 %%r12, %%t1, %%r4, 0xEE 	; r12 = {p12 o12 n12 m12  l12 k12 j12 i12  h12 g12 f12 e12  d12 c12 b12 a12}
	vshuff64x2 %%r4, %%t1, %%r4, 0x44 	; r4  = {p4  o4  n4  m4   l4  k4  j4  i4   h4 g4 f4 e4   d4 c4 b4 a4}

	vshuff64x2 %%r14, %%r7, %%r15, 0xEE 	; r14 = {p14 o14 n14 m14  l14 k14 j14 i14  h14 g14 f14 e14  d14 c14 b14 a14}
	vshuff64x2 %%t1, %%r7, %%r15, 0x44 	; t1  = {p6  o6  n6  m6   l6  k6  j6  i6   h6 g6 f6 e6   d6 c6 b6 a6}

	vshuff64x2 %%r15, %%r5, %%r13, 0xEE 	; r15 = {p15 o15 n15 m15  l15 k15 j15 i15  h15 g15 f15 e15  d15 c15 b15 a15}
	vshuff64x2 %%r7, %%r5, %%r13, 0x44 	; r7  = {p7  o7  n7  m7   l7  k7  j7  i7   h7 g7 f7 e7   d7 c7 b7 a7}

	vshuff64x2 %%r13, %%t0, %%r10, 0xEE 	; r13 = {p13 o13 n13 m13  l13 k13 j13 i13  h13 g13 f13 e13  d13 c13 b13 a13}
	vshuff64x2 %%r5, %%t0, %%r10, 0x44 	; r5  = {p5  o5  n5  m5   l5  k5  j5  i5   h5 g5 f5 e5   d5 c5 b5 a5}

	vshuff64x2 %%r10, %%r3, %%r11, 0xEE 	; r10 = {p10 o10 n10 m10  l10 k10 j10 i10  h10 g10 f10 e10  d10 c10 b10 a10}
	vshuff64x2 %%t0, %%r3, %%r11, 0x44 	; t0  = {p2  o2  n2  m2   l2  k2  j2  i2   h2 g2 f2 e2   d2 c2 b2 a2}

	vshuff64x2 %%r11, %%r1, %%r9, 0xEE 	; r11 = {p11 o11 n11 m11  l11 k11 j11 i11  h11 g11 f11 e11  d11 c11 b11 a11}
	vshuff64x2 %%r3, %%r1, %%r9, 0x44 	; r3  = {p3  o3  n3  m3   l3  k3  j3  i3   h3 g3 f3 e3   d3 c3 b3 a3}

	vshuff64x2 %%r9, %%r2, %%r6, 0xEE 	; r9  = {p9  o9  n9  m9   l9  k9  j9  i9   h9 g9 f9 e9   d9 c9 b9 a9}
	vshuff64x2 %%r1, %%r2, %%r6, 0x44 	; r1  = {p1  o1  n1  m1   l1  k1  j1  i1   h1 g1 f1 e1   d1 c1 b1 a1}

	vmovdqa32 %%r2, %%t0			; r2  = {p2  o2  n2  m2   l2  k2  j2  i2   h2 g2 f2 e2   d2 c2 b2 a2}
	vmovdqa32 %%r6, %%t1			; r6  = {p6  o6  n6  m6   l6  k6  j6  i6   h6 g6 f6 e6   d6 c6 b6 a6}

%endmacro

%macro ROTATE_ARGS 0
%xdefine TMP_ E
%xdefine E D
%xdefine D C
%xdefine C B
%xdefine B A
%xdefine A TMP_
%endm

%macro PROCESS_LOOP 2
%define %%WT		%1
%define %%F_IMMED	%2

	; T = ROTL_5(A) + Ft(B,C,D) + E + Kt + Wt
	; E=D, D=C, C=ROTL_30(B), B=A, A=T

	; Ft
	;  0-19 Ch(B,C,D) = (B&C) ^ (~B&D)
	; 20-39, 60-79 Parity(B,C,D) = B ^ C ^ D
	; 40-59 Maj(B,C,D) = (B&C) ^ (B&D) ^ (C&D)

	vmovdqa32	TMP1, B			; Copy B
	vpaddd		E, E, %%WT		; E = E + Wt
	vpternlogd	TMP1, C, D, %%F_IMMED	; TMP1 = Ft(B,C,D)
	vpaddd		E, E, KT		; E = E + Wt + Kt
	vprold		TMP0, A, 5		; TMP0 = ROTL_5(A)
	vpaddd		E, E, TMP1		; E = Ft(B,C,D) + E + Kt + Wt
	vprold		B, B, 30		; B = ROTL_30(B)
	vpaddd		E, E, TMP0		; E = T

	ROTATE_ARGS
%endmacro

%macro MSG_SCHED_ROUND_16_79 4
%define %%WT	%1
%define %%WTp2	%2
%define %%WTp8	%3
%define %%WTp13	%4
	; Wt = ROTL_1(Wt-3 ^ Wt-8 ^ Wt-14 ^ Wt-16)
	; Wt+16 = ROTL_1(Wt+13 ^ Wt+8 ^ Wt+2 ^ Wt)
	vpternlogd	%%WT, %%WTp2, %%WTp8, 0x96
	vpxord		%%WT, %%WT, %%WTp13
	vprold		%%WT, %%WT, 1
%endmacro

; Note this is reading in a block of data for one lane
; When all 16 are read, the data must be transposed to build msg schedule
%macro MSG_SCHED_ROUND_00_15 2
%define %%WT	 %1
%define %%OFFSET %2
	mov		inp0, [IN + (%%OFFSET*8)]
	vmovups		%%WT, [inp0+IDX]
%endmacro

align 64

; void sha1_mb_x16_avx512(SHA1_MB_ARGS_X16, uint32_t size)
; arg 1 : pointer to input data
; arg 2 : size (in blocks) ;; assumed to be >= 1
local_func_decl(sha1_mb_x16_avx512)
sha1_mb_x16_avx512:
	;; Initialize digests
	vmovups	A, [DIGEST + 0*64]
	vmovups	B, [DIGEST + 1*64]
	vmovups	C, [DIGEST + 2*64]
	vmovups	D, [DIGEST + 3*64]
	vmovups	E, [DIGEST + 4*64]

	xor IDX, IDX

	;; transpose input onto stack
	mov	inp0, [IN + 0*8]
	mov	inp1, [IN + 1*8]
	mov	inp2, [IN + 2*8]
	mov	inp3, [IN + 3*8]
	mov	inp4, [IN + 4*8]
	mov	inp5, [IN + 5*8]
	mov	inp6, [IN + 6*8]
	mov	inp7, [IN + 7*8]

	vmovups	W0,[inp0+IDX]
	vmovups	W1,[inp1+IDX]
	vmovups	W2,[inp2+IDX]
	vmovups	W3,[inp3+IDX]
	vmovups	W4,[inp4+IDX]
	vmovups	W5,[inp5+IDX]
	vmovups	W6,[inp6+IDX]
	vmovups	W7,[inp7+IDX]

	mov	inp0, [IN + 8*8]
	mov	inp1, [IN + 9*8]
	mov	inp2, [IN +10*8]
	mov	inp3, [IN +11*8]
	mov	inp4, [IN +12*8]
	mov	inp5, [IN +13*8]
	mov	inp6, [IN +14*8]
	mov	inp7, [IN +15*8]

	vmovups	W8, [inp0+IDX]
	vmovups	W9, [inp1+IDX]
	vmovups	W10,[inp2+IDX]
	vmovups	W11,[inp3+IDX]
	vmovups	W12,[inp4+IDX]
	vmovups	W13,[inp5+IDX]
	vmovups	W14,[inp6+IDX]
	vmovups	W15,[inp7+IDX]

lloop:
	vmovdqa32	TMP2, [PSHUFFLE_BYTE_FLIP_MASK]

	add	IDX, 64

	TRANSPOSE16 W0, W1, W2, W3, W4, W5, W6, W7, W8, W9, W10, W11, W12, W13, W14, W15, TMP0, TMP1

%assign I 0
%rep 16
       	vpshufb	APPEND(W,I), APPEND(W,I), TMP2
%assign I (I+1)
%endrep

	; Save digests for later addition
	vmovdqa32	AA, A
	vmovdqa32	BB, B
	vmovdqa32	CC, C
	vmovdqa32	DD, D
	vmovdqa32	EE, E

	vmovdqa32	KT, [K00_19]
%assign I 0xCA
%assign J 0
%assign K 2
%assign L 8
%assign M 13
%assign N 0
%rep 64
	PROCESS_LOOP  APPEND(W,J),  I
	MSG_SCHED_ROUND_16_79  APPEND(W,J), APPEND(W,K), APPEND(W,L), APPEND(W,M)
	%if N = 19
		vmovdqa32	KT, [K20_39]
		%assign I 0x96
	%elif N = 39
		vmovdqa32	KT, [K40_59]
		%assign I 0xE8
	%elif N = 59
		vmovdqa32	KT, [K60_79]
		%assign I 0x96
	%endif
%assign J ((J+1)% 16)
%assign K ((K+1)% 16)
%assign L ((L+1)% 16)
%assign M ((M+1)% 16)
%assign N (N+1)
%endrep

	; Check if this is the last block
	sub 	SIZE, 1
	je	lastLoop

%assign I 0x96
%assign J 0
%rep 16
	PROCESS_LOOP  APPEND(W,J),  I
	MSG_SCHED_ROUND_00_15 APPEND(W,J), J
%assign J (J+1)
%endrep

	; Add old digest
	vpaddd		A,A,AA
	vpaddd		B,B,BB
	vpaddd		C,C,CC
	vpaddd		D,D,DD
	vpaddd		E,E,EE

	jmp lloop

lastLoop:
; Need to reset argument rotation values to Round 64 values
%xdefine TMP_ A
%xdefine A B
%xdefine B C
%xdefine C D
%xdefine D E
%xdefine E TMP_

	; Process last 16 rounds
%assign I 0x96
%assign J 0
%rep 16
	PROCESS_LOOP  APPEND(W,J), I
%assign J (J+1)
%endrep

	; Add old digest
	vpaddd		A,A,AA
	vpaddd		B,B,BB
	vpaddd		C,C,CC
	vpaddd		D,D,DD
	vpaddd		E,E,EE

        ;; update into data pointers
%assign I 0
%rep 8
        mov    inp0, [IN + (2*I)*8]
        mov    inp1, [IN + (2*I +1)*8]
        add    inp0, IDX
        add    inp1, IDX
        mov    [IN + (2*I)*8], inp0
        mov    [IN + (2*I+1)*8], inp1
%assign I (I+1)
%endrep

	; Write out digest
	; Do we need to untranspose digests???
	vmovups	[DIGEST + 0*64], A
	vmovups	[DIGEST + 1*64], B
	vmovups	[DIGEST + 2*64], C
	vmovups	[DIGEST + 3*64], D
	vmovups	[DIGEST + 4*64], E

	ret

section .data
align 64
K00_19:			dq 0x5A8279995A827999, 0x5A8279995A827999
			dq 0x5A8279995A827999, 0x5A8279995A827999
			dq 0x5A8279995A827999, 0x5A8279995A827999
			dq 0x5A8279995A827999, 0x5A8279995A827999
K20_39:                 dq 0x6ED9EBA16ED9EBA1, 0x6ED9EBA16ED9EBA1
			dq 0x6ED9EBA16ED9EBA1, 0x6ED9EBA16ED9EBA1
			dq 0x6ED9EBA16ED9EBA1, 0x6ED9EBA16ED9EBA1
			dq 0x6ED9EBA16ED9EBA1, 0x6ED9EBA16ED9EBA1
K40_59:                 dq 0x8F1BBCDC8F1BBCDC, 0x8F1BBCDC8F1BBCDC
			dq 0x8F1BBCDC8F1BBCDC, 0x8F1BBCDC8F1BBCDC
			dq 0x8F1BBCDC8F1BBCDC, 0x8F1BBCDC8F1BBCDC
			dq 0x8F1BBCDC8F1BBCDC, 0x8F1BBCDC8F1BBCDC
K60_79:                 dq 0xCA62C1D6CA62C1D6, 0xCA62C1D6CA62C1D6
			dq 0xCA62C1D6CA62C1D6, 0xCA62C1D6CA62C1D6
			dq 0xCA62C1D6CA62C1D6, 0xCA62C1D6CA62C1D6
			dq 0xCA62C1D6CA62C1D6, 0xCA62C1D6CA62C1D6

PSHUFFLE_BYTE_FLIP_MASK: dq 0x0405060700010203, 0x0c0d0e0f08090a0b
			 dq 0x0405060700010203, 0x0c0d0e0f08090a0b
			 dq 0x0405060700010203, 0x0c0d0e0f08090a0b
			 dq 0x0405060700010203, 0x0c0d0e0f08090a0b

PSHUFFLE_TRANSPOSE16_MASK1: 	dq 0x0000000000000000
				dq 0x0000000000000001
				dq 0x0000000000000008
				dq 0x0000000000000009
				dq 0x0000000000000004
				dq 0x0000000000000005
				dq 0x000000000000000C
				dq 0x000000000000000D

PSHUFFLE_TRANSPOSE16_MASK2: 	dq 0x0000000000000002
				dq 0x0000000000000003
				dq 0x000000000000000A
				dq 0x000000000000000B
				dq 0x0000000000000006
				dq 0x0000000000000007
				dq 0x000000000000000E
				dq 0x000000000000000F

%else
%ifidn __OUTPUT_FORMAT__, win64
global no_sha1_mb_x16_avx512
no_sha1_mb_x16_avx512:
%endif
%endif ; HAVE_AS_KNOWS_AVX512