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Commit 48582e15 authored by Mike Strosaker's avatar Mike Strosaker Committed by Lynn Boger
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crypto/sha256,crypto/sha512: improve performance for sha{256,512}.block on ppc64le 

This updates sha256.block and sha512.block to use vector instructions.  While
each round must still be performed independently, this allows for the use of
the vshasigma{w,d} crypto acceleration instructions.

For crypto/sha256:

benchmark               old ns/op     new ns/op     delta
BenchmarkHash8Bytes     570           300           -47.37%
BenchmarkHash1K         7529          3018          -59.91%
BenchmarkHash8K         55308         21938         -60.33%

benchmark               old MB/s     new MB/s     speedup
BenchmarkHash8Bytes     14.01        26.58        1.90x
BenchmarkHash1K         136.00       339.23       2.49x
BenchmarkHash8K         148.11       373.40       2.52x

For crypto/sha512:

benchmark               old ns/op     new ns/op     delta
BenchmarkHash8Bytes     725           394           -45.66%
BenchmarkHash1K         5062          2107          -58.38%
BenchmarkHash8K         34711         13918         -59.90%

benchmark               old MB/s     new MB/s     speedup
BenchmarkHash8Bytes     11.03        20.29        1.84x
BenchmarkHash1K         202.28       485.84       2.40x
BenchmarkHash8K         236.00       588.56       2.49x

Fixes #20069

Change-Id: I28bffe6e9eb484a83a004116fce84acb4942abca
Reviewed-on: https://go-review.googlesource.com/41391
Run-TryBot: Lynn Boger <laboger@linux.vnet.ibm.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: 's avatarCarlos Eduardo Seo <cseo@linux.vnet.ibm.com>
Reviewed-by: 's avatarDavid Chase <drchase@google.com>
Reviewed-by: 's avatarLynn Boger <laboger@linux.vnet.ibm.com>
parent 259d6099
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Showing with 740 additions and 438 deletions
src/crypto/sha256/sha256block_ppc64le.s
View file @ 48582e15
......@@ -2,6 +2,11 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This is a derived work from OpenSSL of SHA-2 using assembly optimizations. The
// original code was written by Andy Polyakov <appro@openssl.org> and it's dual
// licensed under OpenSSL and CRYPTOGAMS licenses depending on where you obtain
// it. For further details see http://www.openssl.org/~appro/cryptogams/.
#include "textflag.h"
// SHA256 block routine. See sha256block.go for Go equivalent.
......@@ -44,226 +49,368 @@
// H6 = g + H6
// H7 = h + H7
// Wt = Mt; for 0 <= t <= 15
#define MSGSCHEDULE0(index) \
MOVWZ (index*4)(R26), R7; \
RLWNM $24, R7, $-1, R11; \
RLWMI $8, R7, $0x00FF0000, R11; \
RLWMI $8, R7, $0x000000FF, R11; \
MOVWZ R11, R7; \
MOVWZ R7, (index*4)(R27)
// Wt = SIGMA1(Wt-2) + Wt-7 + SIGMA0(Wt-15) + Wt-16; for 16 <= t <= 63
// SIGMA0(x) = ROTR(7,x) XOR ROTR(18,x) XOR SHR(3,x)
// SIGMA1(x) = ROTR(17,x) XOR ROTR(19,x) XOR SHR(10,x)
#define MSGSCHEDULE1(index) \
MOVWZ ((index-2)*4)(R27), R7; \
MOVWZ R7, R9; \
RLWNM $32-17, R7, $-1, R7; \
MOVWZ R9, R10; \
RLWNM $32-19, R9, $-1, R9; \
SRW $10, R10; \
MOVWZ ((index-15)*4)(R27), R8; \
XOR R9, R7; \
MOVWZ R8, R9; \
XOR R10, R7; \
RLWNM $32-7, R8, $-1, R8; \
MOVWZ R9, R10; \
SRW $3, R10; \
RLWNM $32-18, R9, $-1, R9; \
MOVWZ ((index-7)*4)(R27), R11; \
ADD R11, R7; \
XOR R9, R8; \
XOR R10, R8; \
MOVWZ ((index-16)*4)(R27), R11; \
ADD R11, R8; \
ADD R8, R7; \
MOVWZ R7, ((index)*4)(R27)
// T1 = h + BIGSIGMA1(e) + Ch(e, f, g) + Kt + Wt
// BIGSIGMA1(x) = ROTR(6,x) XOR ROTR(11,x) XOR ROTR(25,x)
// Ch(x, y, z) = (x AND y) XOR (NOT x AND z)
#define SHA256T1(const, e, f, g, h) \
ADD R7, h; \
MOVWZ e, R7; \
ADD $const, h; \
MOVWZ e, R9; \
RLWNM $32-6, R7, $-1, R7; \
MOVWZ e, R10; \
RLWNM $32-11, R9, $-1, R9; \
XOR R9, R7; \
MOVWZ e, R9; \
RLWNM $32-25, R10, $-1, R10; \
AND f, R9; \
XOR R7, R10; \
MOVWZ e, R7; \
NOR R7, R7, R7; \
ADD R10, h; \
AND g, R7; \
XOR R9, R7; \
ADD h, R7
// T2 = BIGSIGMA0(a) + Maj(a, b, c)
// BIGSIGMA0(x) = ROTR(2,x) XOR ROTR(13,x) XOR ROTR(22,x)
// Maj(x, y, z) = (x AND y) XOR (x AND z) XOR (y AND z)
#define SHA256T2(a, b, c) \
MOVWZ a, R28; \
MOVWZ c, R8; \
RLWNM $32-2, R28, $-1, R28; \
MOVWZ a, R10; \
AND b, R8; \
RLWNM $32-13, R10, $-1, R10; \
MOVWZ a, R9; \
AND c, R9; \
XOR R10, R28; \
XOR R9, R8; \
MOVWZ a, R10; \
MOVWZ b, R9; \
RLWNM $32-22, R10, $-1, R10; \
AND a, R9; \
XOR R9, R8; \
XOR R10, R28; \
ADD R28, R8
// Calculate T1 and T2, then e = d + T1 and a = T1 + T2.
// The values for e and a are stored in d and h, ready for rotation.
#define SHA256ROUND(index, const, a, b, c, d, e, f, g, h) \
SHA256T1(const, e, f, g, h); \
SHA256T2(a, b, c); \
MOVWZ R8, h; \
ADD R7, d; \
ADD R7, h
#define SHA256ROUND0(index, const, a, b, c, d, e, f, g, h) \
MSGSCHEDULE0(index); \
SHA256ROUND(index, const, a, b, c, d, e, f, g, h)
#define SHA256ROUND1(index, const, a, b, c, d, e, f, g, h) \
MSGSCHEDULE1(index); \
SHA256ROUND(index, const, a, b, c, d, e, f, g, h)
#define CTX R3
#define INP R4
#define END R5
#define TBL R6
#define IDX R7
#define CNT R8
#define LEN R9
#define OFFLOAD R11
#define TEMP R12
#define HEX00 R0
#define HEX10 R10
#define HEX20 R25
#define HEX30 R26
#define HEX40 R27
#define HEX50 R28
#define HEX60 R29
#define HEX70 R31
// V0-V7 are A-H
// V8-V23 are used for the message schedule
#define KI V24
#define FUNC V25
#define S0 V26
#define S1 V27
#define s0 V28
#define s1 V29
#define LEMASK V31 // Permutation control register for little endian
// 4 copies of each Kt, to fill all 4 words of a vector register
DATA ·kcon+0x000(SB)/8, $0x428a2f98428a2f98
DATA ·kcon+0x008(SB)/8, $0x428a2f98428a2f98
DATA ·kcon+0x010(SB)/8, $0x7137449171374491
DATA ·kcon+0x018(SB)/8, $0x7137449171374491
DATA ·kcon+0x020(SB)/8, $0xb5c0fbcfb5c0fbcf
DATA ·kcon+0x028(SB)/8, $0xb5c0fbcfb5c0fbcf
DATA ·kcon+0x030(SB)/8, $0xe9b5dba5e9b5dba5
DATA ·kcon+0x038(SB)/8, $0xe9b5dba5e9b5dba5
DATA ·kcon+0x040(SB)/8, $0x3956c25b3956c25b
DATA ·kcon+0x048(SB)/8, $0x3956c25b3956c25b
DATA ·kcon+0x050(SB)/8, $0x59f111f159f111f1
DATA ·kcon+0x058(SB)/8, $0x59f111f159f111f1
DATA ·kcon+0x060(SB)/8, $0x923f82a4923f82a4
DATA ·kcon+0x068(SB)/8, $0x923f82a4923f82a4
DATA ·kcon+0x070(SB)/8, $0xab1c5ed5ab1c5ed5
DATA ·kcon+0x078(SB)/8, $0xab1c5ed5ab1c5ed5
DATA ·kcon+0x080(SB)/8, $0xd807aa98d807aa98
DATA ·kcon+0x088(SB)/8, $0xd807aa98d807aa98
DATA ·kcon+0x090(SB)/8, $0x12835b0112835b01
DATA ·kcon+0x098(SB)/8, $0x12835b0112835b01
DATA ·kcon+0x0A0(SB)/8, $0x243185be243185be
DATA ·kcon+0x0A8(SB)/8, $0x243185be243185be
DATA ·kcon+0x0B0(SB)/8, $0x550c7dc3550c7dc3
DATA ·kcon+0x0B8(SB)/8, $0x550c7dc3550c7dc3
DATA ·kcon+0x0C0(SB)/8, $0x72be5d7472be5d74
DATA ·kcon+0x0C8(SB)/8, $0x72be5d7472be5d74
DATA ·kcon+0x0D0(SB)/8, $0x80deb1fe80deb1fe
DATA ·kcon+0x0D8(SB)/8, $0x80deb1fe80deb1fe
DATA ·kcon+0x0E0(SB)/8, $0x9bdc06a79bdc06a7
DATA ·kcon+0x0E8(SB)/8, $0x9bdc06a79bdc06a7
DATA ·kcon+0x0F0(SB)/8, $0xc19bf174c19bf174
DATA ·kcon+0x0F8(SB)/8, $0xc19bf174c19bf174
DATA ·kcon+0x100(SB)/8, $0xe49b69c1e49b69c1
DATA ·kcon+0x108(SB)/8, $0xe49b69c1e49b69c1
DATA ·kcon+0x110(SB)/8, $0xefbe4786efbe4786
DATA ·kcon+0x118(SB)/8, $0xefbe4786efbe4786
DATA ·kcon+0x120(SB)/8, $0x0fc19dc60fc19dc6
DATA ·kcon+0x128(SB)/8, $0x0fc19dc60fc19dc6
DATA ·kcon+0x130(SB)/8, $0x240ca1cc240ca1cc
DATA ·kcon+0x138(SB)/8, $0x240ca1cc240ca1cc
DATA ·kcon+0x140(SB)/8, $0x2de92c6f2de92c6f
DATA ·kcon+0x148(SB)/8, $0x2de92c6f2de92c6f
DATA ·kcon+0x150(SB)/8, $0x4a7484aa4a7484aa
DATA ·kcon+0x158(SB)/8, $0x4a7484aa4a7484aa
DATA ·kcon+0x160(SB)/8, $0x5cb0a9dc5cb0a9dc
DATA ·kcon+0x168(SB)/8, $0x5cb0a9dc5cb0a9dc
DATA ·kcon+0x170(SB)/8, $0x76f988da76f988da
DATA ·kcon+0x178(SB)/8, $0x76f988da76f988da
DATA ·kcon+0x180(SB)/8, $0x983e5152983e5152
DATA ·kcon+0x188(SB)/8, $0x983e5152983e5152
DATA ·kcon+0x190(SB)/8, $0xa831c66da831c66d
DATA ·kcon+0x198(SB)/8, $0xa831c66da831c66d
DATA ·kcon+0x1A0(SB)/8, $0xb00327c8b00327c8
DATA ·kcon+0x1A8(SB)/8, $0xb00327c8b00327c8
DATA ·kcon+0x1B0(SB)/8, $0xbf597fc7bf597fc7
DATA ·kcon+0x1B8(SB)/8, $0xbf597fc7bf597fc7
DATA ·kcon+0x1C0(SB)/8, $0xc6e00bf3c6e00bf3
DATA ·kcon+0x1C8(SB)/8, $0xc6e00bf3c6e00bf3
DATA ·kcon+0x1D0(SB)/8, $0xd5a79147d5a79147
DATA ·kcon+0x1D8(SB)/8, $0xd5a79147d5a79147
DATA ·kcon+0x1E0(SB)/8, $0x06ca635106ca6351
DATA ·kcon+0x1E8(SB)/8, $0x06ca635106ca6351
DATA ·kcon+0x1F0(SB)/8, $0x1429296714292967
DATA ·kcon+0x1F8(SB)/8, $0x1429296714292967
DATA ·kcon+0x200(SB)/8, $0x27b70a8527b70a85
DATA ·kcon+0x208(SB)/8, $0x27b70a8527b70a85
DATA ·kcon+0x210(SB)/8, $0x2e1b21382e1b2138
DATA ·kcon+0x218(SB)/8, $0x2e1b21382e1b2138
DATA ·kcon+0x220(SB)/8, $0x4d2c6dfc4d2c6dfc
DATA ·kcon+0x228(SB)/8, $0x4d2c6dfc4d2c6dfc
DATA ·kcon+0x230(SB)/8, $0x53380d1353380d13
DATA ·kcon+0x238(SB)/8, $0x53380d1353380d13
DATA ·kcon+0x240(SB)/8, $0x650a7354650a7354
DATA ·kcon+0x248(SB)/8, $0x650a7354650a7354
DATA ·kcon+0x250(SB)/8, $0x766a0abb766a0abb
DATA ·kcon+0x258(SB)/8, $0x766a0abb766a0abb
DATA ·kcon+0x260(SB)/8, $0x81c2c92e81c2c92e
DATA ·kcon+0x268(SB)/8, $0x81c2c92e81c2c92e
DATA ·kcon+0x270(SB)/8, $0x92722c8592722c85
DATA ·kcon+0x278(SB)/8, $0x92722c8592722c85
DATA ·kcon+0x280(SB)/8, $0xa2bfe8a1a2bfe8a1
DATA ·kcon+0x288(SB)/8, $0xa2bfe8a1a2bfe8a1
DATA ·kcon+0x290(SB)/8, $0xa81a664ba81a664b
DATA ·kcon+0x298(SB)/8, $0xa81a664ba81a664b
DATA ·kcon+0x2A0(SB)/8, $0xc24b8b70c24b8b70
DATA ·kcon+0x2A8(SB)/8, $0xc24b8b70c24b8b70
DATA ·kcon+0x2B0(SB)/8, $0xc76c51a3c76c51a3
DATA ·kcon+0x2B8(SB)/8, $0xc76c51a3c76c51a3
DATA ·kcon+0x2C0(SB)/8, $0xd192e819d192e819
DATA ·kcon+0x2C8(SB)/8, $0xd192e819d192e819
DATA ·kcon+0x2D0(SB)/8, $0xd6990624d6990624
DATA ·kcon+0x2D8(SB)/8, $0xd6990624d6990624
DATA ·kcon+0x2E0(SB)/8, $0xf40e3585f40e3585
DATA ·kcon+0x2E8(SB)/8, $0xf40e3585f40e3585
DATA ·kcon+0x2F0(SB)/8, $0x106aa070106aa070
DATA ·kcon+0x2F8(SB)/8, $0x106aa070106aa070
DATA ·kcon+0x300(SB)/8, $0x19a4c11619a4c116
DATA ·kcon+0x308(SB)/8, $0x19a4c11619a4c116
DATA ·kcon+0x310(SB)/8, $0x1e376c081e376c08
DATA ·kcon+0x318(SB)/8, $0x1e376c081e376c08
DATA ·kcon+0x320(SB)/8, $0x2748774c2748774c
DATA ·kcon+0x328(SB)/8, $0x2748774c2748774c
DATA ·kcon+0x330(SB)/8, $0x34b0bcb534b0bcb5
DATA ·kcon+0x338(SB)/8, $0x34b0bcb534b0bcb5
DATA ·kcon+0x340(SB)/8, $0x391c0cb3391c0cb3
DATA ·kcon+0x348(SB)/8, $0x391c0cb3391c0cb3
DATA ·kcon+0x350(SB)/8, $0x4ed8aa4a4ed8aa4a
DATA ·kcon+0x358(SB)/8, $0x4ed8aa4a4ed8aa4a
DATA ·kcon+0x360(SB)/8, $0x5b9cca4f5b9cca4f
DATA ·kcon+0x368(SB)/8, $0x5b9cca4f5b9cca4f
DATA ·kcon+0x370(SB)/8, $0x682e6ff3682e6ff3
DATA ·kcon+0x378(SB)/8, $0x682e6ff3682e6ff3
DATA ·kcon+0x380(SB)/8, $0x748f82ee748f82ee
DATA ·kcon+0x388(SB)/8, $0x748f82ee748f82ee
DATA ·kcon+0x390(SB)/8, $0x78a5636f78a5636f
DATA ·kcon+0x398(SB)/8, $0x78a5636f78a5636f
DATA ·kcon+0x3A0(SB)/8, $0x84c8781484c87814
DATA ·kcon+0x3A8(SB)/8, $0x84c8781484c87814
DATA ·kcon+0x3B0(SB)/8, $0x8cc702088cc70208
DATA ·kcon+0x3B8(SB)/8, $0x8cc702088cc70208
DATA ·kcon+0x3C0(SB)/8, $0x90befffa90befffa
DATA ·kcon+0x3C8(SB)/8, $0x90befffa90befffa
DATA ·kcon+0x3D0(SB)/8, $0xa4506ceba4506ceb
DATA ·kcon+0x3D8(SB)/8, $0xa4506ceba4506ceb
DATA ·kcon+0x3E0(SB)/8, $0xbef9a3f7bef9a3f7
DATA ·kcon+0x3E8(SB)/8, $0xbef9a3f7bef9a3f7
DATA ·kcon+0x3F0(SB)/8, $0xc67178f2c67178f2
DATA ·kcon+0x3F8(SB)/8, $0xc67178f2c67178f2
DATA ·kcon+0x400(SB)/8, $0x0000000000000000
DATA ·kcon+0x408(SB)/8, $0x0000000000000000
DATA ·kcon+0x410(SB)/8, $0x1011121310111213 // permutation control vectors
DATA ·kcon+0x418(SB)/8, $0x1011121300010203
DATA ·kcon+0x420(SB)/8, $0x1011121310111213
DATA ·kcon+0x428(SB)/8, $0x0405060700010203
DATA ·kcon+0x430(SB)/8, $0x1011121308090a0b
DATA ·kcon+0x438(SB)/8, $0x0405060700010203
GLOBL ·kcon(SB), RODATA, $1088
#define SHA256ROUND0(a, b, c, d, e, f, g, h, xi) \
VSEL g, f, e, FUNC; \
VSHASIGMAW $15, e, $1, S1; \
VADDUWM xi, h, h; \
VSHASIGMAW $0, a, $1, S0; \
VADDUWM FUNC, h, h; \
VXOR b, a, FUNC; \
VADDUWM S1, h, h; \
VSEL b, c, FUNC, FUNC; \
VADDUWM KI, g, g; \
VADDUWM h, d, d; \
VADDUWM FUNC, S0, S0; \
LVX (TBL)(IDX), KI; \
ADD $16, IDX; \
VADDUWM S0, h, h
#define SHA256ROUND1(a, b, c, d, e, f, g, h, xi, xj, xj_1, xj_9, xj_14) \
VSHASIGMAW $0, xj_1, $0, s0; \
VSEL g, f, e, FUNC; \
VSHASIGMAW $15, e, $1, S1; \
VADDUWM xi, h, h; \
VSHASIGMAW $0, a, $1, S0; \
VSHASIGMAW $15, xj_14, $0, s1; \
VADDUWM FUNC, h, h; \
VXOR b, a, FUNC; \
VADDUWM xj_9, xj, xj; \
VADDUWM S1, h, h; \
VSEL b, c, FUNC, FUNC; \
VADDUWM KI, g, g; \
VADDUWM h, d, d; \
VADDUWM FUNC, S0, S0; \
VADDUWM s0, xj, xj; \
LVX (TBL)(IDX), KI; \
ADD $16, IDX; \
VADDUWM S0, h, h; \
VADDUWM s1, xj, xj
// func block(dig *digest, p []byte)
TEXT ·block(SB),0,$296-32
MOVD p_base+8(FP), R26
MOVD p_len+16(FP), R29
SRD $6, R29
SLD $6, R29
TEXT ·block(SB),0,$128-32
MOVD dig+0(FP), CTX
MOVD p_base+8(FP), INP
MOVD p_len+16(FP), LEN
SRD $6, LEN
SLD $6, LEN
ADD R26, R29, R28
ADD INP, LEN, END
MOVD R28, 256(R1)
CMP R26, R28
CMP INP, END
BEQ end
MOVD dig+0(FP), R27
MOVWZ (0*4)(R27), R14 // a = H0
MOVWZ (1*4)(R27), R15 // b = H1
MOVWZ (2*4)(R27), R16 // c = H2
MOVWZ (3*4)(R27), R17 // d = H3
MOVWZ (4*4)(R27), R18 // e = H4
MOVWZ (5*4)(R27), R19 // f = H5
MOVWZ (6*4)(R27), R20 // g = H6
MOVWZ (7*4)(R27), R21 // h = H7
MOVD $·kcon(SB), TBL
MOVD R1, OFFLOAD
MOVD R0, CNT
MOVWZ $0x10, HEX10
MOVWZ $0x20, HEX20
MOVWZ $0x30, HEX30
MOVWZ $0x40, HEX40
MOVWZ $0x50, HEX50
MOVWZ $0x60, HEX60
MOVWZ $0x70, HEX70
MOVWZ $8, IDX
LVSL (IDX)(R0), LEMASK
VSPLTISB $0x0F, KI
VXOR KI, LEMASK, LEMASK
LXVW4X (CTX)(HEX00), VS32 // v0 = vs32
LXVW4X (CTX)(HEX10), VS36 // v4 = vs36
// unpack the input values into vector registers
VSLDOI $4, V0, V0, V1
VSLDOI $8, V0, V0, V2
VSLDOI $12, V0, V0, V3
VSLDOI $4, V4, V4, V5
VSLDOI $8, V4, V4, V6
VSLDOI $12, V4, V4, V7
loop:
MOVD R1, R27 // R27: message schedule
SHA256ROUND0(0, 0x428a2f98, R14, R15, R16, R17, R18, R19, R20, R21)
SHA256ROUND0(1, 0x71374491, R21, R14, R15, R16, R17, R18, R19, R20)
SHA256ROUND0(2, 0xb5c0fbcf, R20, R21, R14, R15, R16, R17, R18, R19)
SHA256ROUND0(3, 0xe9b5dba5, R19, R20, R21, R14, R15, R16, R17, R18)
SHA256ROUND0(4, 0x3956c25b, R18, R19, R20, R21, R14, R15, R16, R17)
SHA256ROUND0(5, 0x59f111f1, R17, R18, R19, R20, R21, R14, R15, R16)
SHA256ROUND0(6, 0x923f82a4, R16, R17, R18, R19, R20, R21, R14, R15)
SHA256ROUND0(7, 0xab1c5ed5, R15, R16, R17, R18, R19, R20, R21, R14)
SHA256ROUND0(8, 0xd807aa98, R14, R15, R16, R17, R18, R19, R20, R21)
SHA256ROUND0(9, 0x12835b01, R21, R14, R15, R16, R17, R18, R19, R20)
SHA256ROUND0(10, 0x243185be, R20, R21, R14, R15, R16, R17, R18, R19)
SHA256ROUND0(11, 0x550c7dc3, R19, R20, R21, R14, R15, R16, R17, R18)
SHA256ROUND0(12, 0x72be5d74, R18, R19, R20, R21, R14, R15, R16, R17)
SHA256ROUND0(13, 0x80deb1fe, R17, R18, R19, R20, R21, R14, R15, R16)
SHA256ROUND0(14, 0x9bdc06a7, R16, R17, R18, R19, R20, R21, R14, R15)
SHA256ROUND0(15, 0xc19bf174, R15, R16, R17, R18, R19, R20, R21, R14)
SHA256ROUND1(16, 0xe49b69c1, R14, R15, R16, R17, R18, R19, R20, R21)
SHA256ROUND1(17, 0xefbe4786, R21, R14, R15, R16, R17, R18, R19, R20)
SHA256ROUND1(18, 0x0fc19dc6, R20, R21, R14, R15, R16, R17, R18, R19)
SHA256ROUND1(19, 0x240ca1cc, R19, R20, R21, R14, R15, R16, R17, R18)
SHA256ROUND1(20, 0x2de92c6f, R18, R19, R20, R21, R14, R15, R16, R17)
SHA256ROUND1(21, 0x4a7484aa, R17, R18, R19, R20, R21, R14, R15, R16)
SHA256ROUND1(22, 0x5cb0a9dc, R16, R17, R18, R19, R20, R21, R14, R15)
SHA256ROUND1(23, 0x76f988da, R15, R16, R17, R18, R19, R20, R21, R14)
SHA256ROUND1(24, 0x983e5152, R14, R15, R16, R17, R18, R19, R20, R21)
SHA256ROUND1(25, 0xa831c66d, R21, R14, R15, R16, R17, R18, R19, R20)
SHA256ROUND1(26, 0xb00327c8, R20, R21, R14, R15, R16, R17, R18, R19)
SHA256ROUND1(27, 0xbf597fc7, R19, R20, R21, R14, R15, R16, R17, R18)
SHA256ROUND1(28, 0xc6e00bf3, R18, R19, R20, R21, R14, R15, R16, R17)
SHA256ROUND1(29, 0xd5a79147, R17, R18, R19, R20, R21, R14, R15, R16)
SHA256ROUND1(30, 0x06ca6351, R16, R17, R18, R19, R20, R21, R14, R15)
SHA256ROUND1(31, 0x14292967, R15, R16, R17, R18, R19, R20, R21, R14)
SHA256ROUND1(32, 0x27b70a85, R14, R15, R16, R17, R18, R19, R20, R21)
SHA256ROUND1(33, 0x2e1b2138, R21, R14, R15, R16, R17, R18, R19, R20)
SHA256ROUND1(34, 0x4d2c6dfc, R20, R21, R14, R15, R16, R17, R18, R19)
SHA256ROUND1(35, 0x53380d13, R19, R20, R21, R14, R15, R16, R17, R18)
SHA256ROUND1(36, 0x650a7354, R18, R19, R20, R21, R14, R15, R16, R17)
SHA256ROUND1(37, 0x766a0abb, R17, R18, R19, R20, R21, R14, R15, R16)
SHA256ROUND1(38, 0x81c2c92e, R16, R17, R18, R19, R20, R21, R14, R15)
SHA256ROUND1(39, 0x92722c85, R15, R16, R17, R18, R19, R20, R21, R14)
SHA256ROUND1(40, 0xa2bfe8a1, R14, R15, R16, R17, R18, R19, R20, R21)
SHA256ROUND1(41, 0xa81a664b, R21, R14, R15, R16, R17, R18, R19, R20)
SHA256ROUND1(42, 0xc24b8b70, R20, R21, R14, R15, R16, R17, R18, R19)
SHA256ROUND1(43, 0xc76c51a3, R19, R20, R21, R14, R15, R16, R17, R18)
SHA256ROUND1(44, 0xd192e819, R18, R19, R20, R21, R14, R15, R16, R17)
SHA256ROUND1(45, 0xd6990624, R17, R18, R19, R20, R21, R14, R15, R16)
SHA256ROUND1(46, 0xf40e3585, R16, R17, R18, R19, R20, R21, R14, R15)
SHA256ROUND1(47, 0x106aa070, R15, R16, R17, R18, R19, R20, R21, R14)
SHA256ROUND1(48, 0x19a4c116, R14, R15, R16, R17, R18, R19, R20, R21)
SHA256ROUND1(49, 0x1e376c08, R21, R14, R15, R16, R17, R18, R19, R20)
SHA256ROUND1(50, 0x2748774c, R20, R21, R14, R15, R16, R17, R18, R19)
SHA256ROUND1(51, 0x34b0bcb5, R19, R20, R21, R14, R15, R16, R17, R18)
SHA256ROUND1(52, 0x391c0cb3, R18, R19, R20, R21, R14, R15, R16, R17)
SHA256ROUND1(53, 0x4ed8aa4a, R17, R18, R19, R20, R21, R14, R15, R16)
SHA256ROUND1(54, 0x5b9cca4f, R16, R17, R18, R19, R20, R21, R14, R15)
SHA256ROUND1(55, 0x682e6ff3, R15, R16, R17, R18, R19, R20, R21, R14)
SHA256ROUND1(56, 0x748f82ee, R14, R15, R16, R17, R18, R19, R20, R21)
SHA256ROUND1(57, 0x78a5636f, R21, R14, R15, R16, R17, R18, R19, R20)
SHA256ROUND1(58, 0x84c87814, R20, R21, R14, R15, R16, R17, R18, R19)
SHA256ROUND1(59, 0x8cc70208, R19, R20, R21, R14, R15, R16, R17, R18)
SHA256ROUND1(60, 0x90befffa, R18, R19, R20, R21, R14, R15, R16, R17)
SHA256ROUND1(61, 0xa4506ceb, R17, R18, R19, R20, R21, R14, R15, R16)
SHA256ROUND1(62, 0xbef9a3f7, R16, R17, R18, R19, R20, R21, R14, R15)
SHA256ROUND1(63, 0xc67178f2, R15, R16, R17, R18, R19, R20, R21, R14)
MOVD dig+0(FP), R27
MOVWZ (0*4)(R27), R11
ADD R11, R14 // H0 = a + H0
MOVWZ R14, (0*4)(R27)
MOVWZ (1*4)(R27), R11
ADD R11, R15 // H1 = b + H1
MOVWZ R15, (1*4)(R27)
MOVWZ (2*4)(R27), R11
ADD R11, R16 // H2 = c + H2
MOVWZ R16, (2*4)(R27)
MOVWZ (3*4)(R27), R11
ADD R11, R17 // H3 = d + H3
MOVWZ R17, (3*4)(R27)
MOVWZ (4*4)(R27), R11
ADD R11, R18 // H4 = e + H4
MOVWZ R18, (4*4)(R27)
MOVWZ (5*4)(R27), R11
ADD R11, R19 // H5 = f + H5
MOVWZ R19, (5*4)(R27)
MOVWZ (6*4)(R27), R11
ADD R11, R20 // H6 = g + H6
MOVWZ R20, (6*4)(R27)
MOVWZ (7*4)(R27), R11
ADD R11, R21 // H7 = h + H7
MOVWZ R21, (7*4)(R27)
ADD $64, R26
MOVD 256(R1), R11
CMPU R26, R11
LVX (TBL)(HEX00), KI
MOVWZ $16, IDX
LXVD2X (INP)(R0), VS40 // load v8 (=vs40) in advance
ADD $16, INP
STVX V0, (OFFLOAD+HEX00)
STVX V1, (OFFLOAD+HEX10)
STVX V2, (OFFLOAD+HEX20)
STVX V3, (OFFLOAD+HEX30)
STVX V4, (OFFLOAD+HEX40)
STVX V5, (OFFLOAD+HEX50)
STVX V6, (OFFLOAD+HEX60)
STVX V7, (OFFLOAD+HEX70)
VADDUWM KI, V7, V7 // h+K[i]
LVX (TBL)(IDX), KI
ADD $16, IDX
VPERM V8, V8, LEMASK, V8
SHA256ROUND0(V0, V1, V2, V3, V4, V5, V6, V7, V8)
VSLDOI $4, V8, V8, V9
SHA256ROUND0(V7, V0, V1, V2, V3, V4, V5, V6, V9)
VSLDOI $4, V9, V9, V10
SHA256ROUND0(V6, V7, V0, V1, V2, V3, V4, V5, V10)
LXVD2X (INP)(R0), VS44 // load v12 (=vs44) in advance
ADD $16, INP, INP
VSLDOI $4, V10, V10, V11
SHA256ROUND0(V5, V6, V7, V0, V1, V2, V3, V4, V11)
VPERM V12, V12, LEMASK, V12
SHA256ROUND0(V4, V5, V6, V7, V0, V1, V2, V3, V12)
VSLDOI $4, V12, V12, V13
SHA256ROUND0(V3, V4, V5, V6, V7, V0, V1, V2, V13)
VSLDOI $4, V13, V13, V14
SHA256ROUND0(V2, V3, V4, V5, V6, V7, V0, V1, V14)
LXVD2X (INP)(R0), VS48 // load v16 (=vs48) in advance
ADD $16, INP, INP
VSLDOI $4, V14, V14, V15
SHA256ROUND0(V1, V2, V3, V4, V5, V6, V7, V0, V15)
VPERM V16, V16, LEMASK, V16
SHA256ROUND0(V0, V1, V2, V3, V4, V5, V6, V7, V16)
VSLDOI $4, V16, V16, V17
SHA256ROUND0(V7, V0, V1, V2, V3, V4, V5, V6, V17)
VSLDOI $4, V17, V17, V18
SHA256ROUND0(V6, V7, V0, V1, V2, V3, V4, V5, V18)
VSLDOI $4, V18, V18, V19
LXVD2X (INP)(R0), VS52 // load v20 (=vs52) in advance
ADD $16, INP, INP
SHA256ROUND0(V5, V6, V7, V0, V1, V2, V3, V4, V19)
VPERM V20, V20, LEMASK, V20
SHA256ROUND0(V4, V5, V6, V7, V0, V1, V2, V3, V20)
VSLDOI $4, V20, V20, V21
SHA256ROUND0(V3, V4, V5, V6, V7, V0, V1, V2, V21)
VSLDOI $4, V21, V21, V22
SHA256ROUND0(V2, V3, V4, V5, V6, V7, V0, V1, V22)
VSLDOI $4, V22, V22, V23
SHA256ROUND1(V1, V2, V3, V4, V5, V6, V7, V0, V23, V8, V9, V17, V22)
MOVWZ $3, TEMP
MOVWZ TEMP, CTR
L16_xx:
SHA256ROUND1(V0, V1, V2, V3, V4, V5, V6, V7, V8, V9, V10, V18, V23)
SHA256ROUND1(V7, V0, V1, V2, V3, V4, V5, V6, V9, V10, V11, V19, V8)
SHA256ROUND1(V6, V7, V0, V1, V2, V3, V4, V5, V10, V11, V12, V20, V9)
SHA256ROUND1(V5, V6, V7, V0, V1, V2, V3, V4, V11, V12, V13, V21, V10)
SHA256ROUND1(V4, V5, V6, V7, V0, V1, V2, V3, V12, V13, V14, V22, V11)
SHA256ROUND1(V3, V4, V5, V6, V7, V0, V1, V2, V13, V14, V15, V23, V12)
SHA256ROUND1(V2, V3, V4, V5, V6, V7, V0, V1, V14, V15, V16, V8, V13)
SHA256ROUND1(V1, V2, V3, V4, V5, V6, V7, V0, V15, V16, V17, V9, V14)
SHA256ROUND1(V0, V1, V2, V3, V4, V5, V6, V7, V16, V17, V18, V10, V15)
SHA256ROUND1(V7, V0, V1, V2, V3, V4, V5, V6, V17, V18, V19, V11, V16)
SHA256ROUND1(V6, V7, V0, V1, V2, V3, V4, V5, V18, V19, V20, V12, V17)
SHA256ROUND1(V5, V6, V7, V0, V1, V2, V3, V4, V19, V20, V21, V13, V18)
SHA256ROUND1(V4, V5, V6, V7, V0, V1, V2, V3, V20, V21, V22, V14, V19)
SHA256ROUND1(V3, V4, V5, V6, V7, V0, V1, V2, V21, V22, V23, V15, V20)
SHA256ROUND1(V2, V3, V4, V5, V6, V7, V0, V1, V22, V23, V8, V16, V21)
SHA256ROUND1(V1, V2, V3, V4, V5, V6, V7, V0, V23, V8, V9, V17, V22)
BC 0x10, 0, L16_xx // bdnz
LVX (OFFLOAD)(HEX00), V10
LVX (OFFLOAD)(HEX10), V11
VADDUWM V10, V0, V0
LVX (OFFLOAD)(HEX20), V12
VADDUWM V11, V1, V1
LVX (OFFLOAD)(HEX30), V13
VADDUWM V12, V2, V2
LVX (OFFLOAD)(HEX40), V14
VADDUWM V13, V3, V3
LVX (OFFLOAD)(HEX50), V15
VADDUWM V14, V4, V4
LVX (OFFLOAD)(HEX60), V16
VADDUWM V15, V5, V5
LVX (OFFLOAD)(HEX70), V17
VADDUWM V16, V6, V6
VADDUWM V17, V7, V7
CMPU INP, END
BLT loop
LVX (TBL)(IDX), V8
ADD $16, IDX
VPERM V0, V1, KI, V0
LVX (TBL)(IDX), V9
VPERM V4, V5, KI, V4
VPERM V0, V2, V8, V0
VPERM V4, V6, V8, V4
VPERM V0, V3, V9, V0
VPERM V4, V7, V9, V4
STXVD2X VS32, (CTX+HEX00) // v0 = vs32
STXVD2X VS36, (CTX+HEX10) // v4 = vs36
end:
RET
src/crypto/sha512/sha512block_ppc64le.s
View file @ 48582e15
......@@ -2,6 +2,11 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This is a derived work from OpenSSL of SHA-2 using assembly optimizations. The
// original code was written by Andy Polyakov <appro@openssl.org> and it's dual
// licensed under OpenSSL and CRYPTOGAMS licenses depending on where you obtain
// it. For further details see http://www.openssl.org/~appro/cryptogams/.
#include "textflag.h"
// SHA512 block routine. See sha512block.go for Go equivalent.
......@@ -44,250 +49,400 @@
// H6 = g + H6
// H7 = h + H7
// Wt = Mt; for 0 <= t <= 15
#define MSGSCHEDULE0(index) \
MOVD (index*8)(R6), R14; \
RLWNM $24, R14, $-1, R21; \
RLWMI $8, R14, $0x00FF0000, R21; \
RLWMI $8, R14, $0x000000FF, R21; \
SLD $32, R21; \
SRD $32, R14, R20; \
RLWNM $24, R20, $-1, R14; \
RLWMI $8, R20, $0x00FF0000, R14; \
RLWMI $8, R20, $0x000000FF, R14; \
OR R21, R14; \
MOVD R14, (index*8)(R9)
// Wt = SIGMA1(Wt-2) + Wt-7 + SIGMA0(Wt-15) + Wt-16; for 16 <= t <= 79
// SIGMA0(x) = ROTR(1,x) XOR ROTR(8,x) XOR SHR(7,x)
// SIGMA1(x) = ROTR(19,x) XOR ROTR(61,x) XOR SHR(6,x)
#define MSGSCHEDULE1(index) \
MOVD ((index-2)*8)(R9), R14; \
MOVD R14, R16; \
RLDCL $64-19, R14, $-1, R14; \
MOVD R16, R17; \
RLDCL $64-61, R16, $-1, R16; \
SRD $6, R17; \
MOVD ((index-15)*8)(R9), R15; \
XOR R16, R14; \
MOVD R15, R16; \
XOR R17, R14; \
RLDCL $64-1, R15, $-1, R15; \
MOVD R16, R17; \
SRD $7, R17; \
RLDCL $64-8, R16, $-1, R16; \
MOVD ((index-7)*8)(R9), R21; \
ADD R21, R14; \
XOR R16, R15; \
XOR R17, R15; \
MOVD ((index-16)*8)(R9), R21; \
ADD R21, R15; \
ADD R15, R14; \
MOVD R14, ((index)*8)(R9)
#define CTX R3
#define INP R4
#define END R5
#define TBL R6
#define IDX R7
#define CNT R8
#define LEN R9
#define OFFLOAD R11
#define TEMP R12
// Calculate T1 in R14 - uses R14, R16 and R17 registers.
// h is also used as an accumulator. Wt is passed in R14.
// T1 = h + BIGSIGMA1(e) + Ch(e, f, g) + Kt + Wt
// BIGSIGMA1(x) = ROTR(14,x) XOR ROTR(18,x) XOR ROTR(41,x)
// Ch(x, y, z) = (x AND y) XOR (NOT x AND z)
#define SHA512T1(const, e, f, g, h) \
MOVD $const, R17; \
ADD R14, h; \
MOVD e, R14; \
ADD R17, h; \
MOVD e, R16; \
RLDCL $64-14, R14, $-1, R14; \
MOVD e, R17; \
RLDCL $64-18, R16, $-1, R16; \
XOR R16, R14; \
MOVD e, R16; \
RLDCL $64-41, R17, $-1, R17; \
AND f, R16; \
XOR R14, R17; \
MOVD e, R14; \
NOR R14, R14, R14; \
ADD R17, h; \
AND g, R14; \
XOR R16, R14; \
ADD h, R14
#define HEX00 R0
#define HEX10 R10
#define HEX20 R25
#define HEX30 R26
#define HEX40 R27
#define HEX50 R28
#define HEX60 R29
#define HEX70 R31
// Calculate T2 in R15 - uses R15, R16, R17 and R8 registers.
// T2 = BIGSIGMA0(a) + Maj(a, b, c)
// BIGSIGMA0(x) = ROTR(28,x) XOR ROTR(34,x) XOR ROTR(39,x)
// Maj(x, y, z) = (x AND y) XOR (x AND z) XOR (y AND z)
#define SHA512T2(a, b, c) \
MOVD a, R8; \
MOVD c, R15; \
RLDCL $64-28, R8, $-1, R8; \
MOVD a, R17; \
AND b, R15; \
RLDCL $64-34, R17, $-1, R17; \
MOVD a, R16; \
AND c, R16; \
XOR R17, R8; \
XOR R16, R15; \
MOVD a, R17; \
MOVD b, R16; \
RLDCL $64-39, R17, $-1, R17; \
AND a, R16; \
XOR R16, R15; \
XOR R17, R8; \
ADD R8, R15
// V0-V7 are A-H
// V8-V23 are used for the message schedule
#define KI V24
#define FUNC V25
#define S0 V26
#define S1 V27
#define s0 V28
#define s1 V29
#define LEMASK V31 // Permutation control register for little endian
// Calculate T1 and T2, then e = d + T1 and a = T1 + T2.
// The values for e and a are stored in d and h, ready for rotation.
#define SHA512ROUND(index, const, a, b, c, d, e, f, g, h) \
SHA512T1(const, e, f, g, h); \
SHA512T2(a, b, c); \
MOVD R15, h; \
ADD R14, d; \
ADD R14, h
// 2 copies of each Kt, to fill both doublewords of a vector register
DATA ·kcon+0x000(SB)/8, $0x428a2f98d728ae22
DATA ·kcon+0x008(SB)/8, $0x428a2f98d728ae22
DATA ·kcon+0x010(SB)/8, $0x7137449123ef65cd
DATA ·kcon+0x018(SB)/8, $0x7137449123ef65cd
DATA ·kcon+0x020(SB)/8, $0xb5c0fbcfec4d3b2f
DATA ·kcon+0x028(SB)/8, $0xb5c0fbcfec4d3b2f
DATA ·kcon+0x030(SB)/8, $0xe9b5dba58189dbbc
DATA ·kcon+0x038(SB)/8, $0xe9b5dba58189dbbc
DATA ·kcon+0x040(SB)/8, $0x3956c25bf348b538
DATA ·kcon+0x048(SB)/8, $0x3956c25bf348b538
DATA ·kcon+0x050(SB)/8, $0x59f111f1b605d019
DATA ·kcon+0x058(SB)/8, $0x59f111f1b605d019
DATA ·kcon+0x060(SB)/8, $0x923f82a4af194f9b
DATA ·kcon+0x068(SB)/8, $0x923f82a4af194f9b
DATA ·kcon+0x070(SB)/8, $0xab1c5ed5da6d8118
DATA ·kcon+0x078(SB)/8, $0xab1c5ed5da6d8118
DATA ·kcon+0x080(SB)/8, $0xd807aa98a3030242
DATA ·kcon+0x088(SB)/8, $0xd807aa98a3030242
DATA ·kcon+0x090(SB)/8, $0x12835b0145706fbe
DATA ·kcon+0x098(SB)/8, $0x12835b0145706fbe
DATA ·kcon+0x0A0(SB)/8, $0x243185be4ee4b28c
DATA ·kcon+0x0A8(SB)/8, $0x243185be4ee4b28c
DATA ·kcon+0x0B0(SB)/8, $0x550c7dc3d5ffb4e2
DATA ·kcon+0x0B8(SB)/8, $0x550c7dc3d5ffb4e2
DATA ·kcon+0x0C0(SB)/8, $0x72be5d74f27b896f
DATA ·kcon+0x0C8(SB)/8, $0x72be5d74f27b896f
DATA ·kcon+0x0D0(SB)/8, $0x80deb1fe3b1696b1
DATA ·kcon+0x0D8(SB)/8, $0x80deb1fe3b1696b1
DATA ·kcon+0x0E0(SB)/8, $0x9bdc06a725c71235
DATA ·kcon+0x0E8(SB)/8, $0x9bdc06a725c71235
DATA ·kcon+0x0F0(SB)/8, $0xc19bf174cf692694
DATA ·kcon+0x0F8(SB)/8, $0xc19bf174cf692694
DATA ·kcon+0x100(SB)/8, $0xe49b69c19ef14ad2
DATA ·kcon+0x108(SB)/8, $0xe49b69c19ef14ad2
DATA ·kcon+0x110(SB)/8, $0xefbe4786384f25e3
DATA ·kcon+0x118(SB)/8, $0xefbe4786384f25e3
DATA ·kcon+0x120(SB)/8, $0x0fc19dc68b8cd5b5
DATA ·kcon+0x128(SB)/8, $0x0fc19dc68b8cd5b5
DATA ·kcon+0x130(SB)/8, $0x240ca1cc77ac9c65
DATA ·kcon+0x138(SB)/8, $0x240ca1cc77ac9c65
DATA ·kcon+0x140(SB)/8, $0x2de92c6f592b0275
DATA ·kcon+0x148(SB)/8, $0x2de92c6f592b0275
DATA ·kcon+0x150(SB)/8, $0x4a7484aa6ea6e483
DATA ·kcon+0x158(SB)/8, $0x4a7484aa6ea6e483
DATA ·kcon+0x160(SB)/8, $0x5cb0a9dcbd41fbd4
DATA ·kcon+0x168(SB)/8, $0x5cb0a9dcbd41fbd4
DATA ·kcon+0x170(SB)/8, $0x76f988da831153b5
DATA ·kcon+0x178(SB)/8, $0x76f988da831153b5
DATA ·kcon+0x180(SB)/8, $0x983e5152ee66dfab
DATA ·kcon+0x188(SB)/8, $0x983e5152ee66dfab
DATA ·kcon+0x190(SB)/8, $0xa831c66d2db43210
DATA ·kcon+0x198(SB)/8, $0xa831c66d2db43210
DATA ·kcon+0x1A0(SB)/8, $0xb00327c898fb213f
DATA ·kcon+0x1A8(SB)/8, $0xb00327c898fb213f
DATA ·kcon+0x1B0(SB)/8, $0xbf597fc7beef0ee4
DATA ·kcon+0x1B8(SB)/8, $0xbf597fc7beef0ee4
DATA ·kcon+0x1C0(SB)/8, $0xc6e00bf33da88fc2
DATA ·kcon+0x1C8(SB)/8, $0xc6e00bf33da88fc2
DATA ·kcon+0x1D0(SB)/8, $0xd5a79147930aa725
DATA ·kcon+0x1D8(SB)/8, $0xd5a79147930aa725
DATA ·kcon+0x1E0(SB)/8, $0x06ca6351e003826f
DATA ·kcon+0x1E8(SB)/8, $0x06ca6351e003826f
DATA ·kcon+0x1F0(SB)/8, $0x142929670a0e6e70
DATA ·kcon+0x1F8(SB)/8, $0x142929670a0e6e70
DATA ·kcon+0x200(SB)/8, $0x27b70a8546d22ffc
DATA ·kcon+0x208(SB)/8, $0x27b70a8546d22ffc
DATA ·kcon+0x210(SB)/8, $0x2e1b21385c26c926
DATA ·kcon+0x218(SB)/8, $0x2e1b21385c26c926
DATA ·kcon+0x220(SB)/8, $0x4d2c6dfc5ac42aed
DATA ·kcon+0x228(SB)/8, $0x4d2c6dfc5ac42aed
DATA ·kcon+0x230(SB)/8, $0x53380d139d95b3df
DATA ·kcon+0x238(SB)/8, $0x53380d139d95b3df
DATA ·kcon+0x240(SB)/8, $0x650a73548baf63de
DATA ·kcon+0x248(SB)/8, $0x650a73548baf63de
DATA ·kcon+0x250(SB)/8, $0x766a0abb3c77b2a8
DATA ·kcon+0x258(SB)/8, $0x766a0abb3c77b2a8
DATA ·kcon+0x260(SB)/8, $0x81c2c92e47edaee6
DATA ·kcon+0x268(SB)/8, $0x81c2c92e47edaee6
DATA ·kcon+0x270(SB)/8, $0x92722c851482353b
DATA ·kcon+0x278(SB)/8, $0x92722c851482353b
DATA ·kcon+0x280(SB)/8, $0xa2bfe8a14cf10364
DATA ·kcon+0x288(SB)/8, $0xa2bfe8a14cf10364
DATA ·kcon+0x290(SB)/8, $0xa81a664bbc423001
DATA ·kcon+0x298(SB)/8, $0xa81a664bbc423001
DATA ·kcon+0x2A0(SB)/8, $0xc24b8b70d0f89791
DATA ·kcon+0x2A8(SB)/8, $0xc24b8b70d0f89791
DATA ·kcon+0x2B0(SB)/8, $0xc76c51a30654be30
DATA ·kcon+0x2B8(SB)/8, $0xc76c51a30654be30
DATA ·kcon+0x2C0(SB)/8, $0xd192e819d6ef5218
DATA ·kcon+0x2C8(SB)/8, $0xd192e819d6ef5218
DATA ·kcon+0x2D0(SB)/8, $0xd69906245565a910
DATA ·kcon+0x2D8(SB)/8, $0xd69906245565a910
DATA ·kcon+0x2E0(SB)/8, $0xf40e35855771202a
DATA ·kcon+0x2E8(SB)/8, $0xf40e35855771202a
DATA ·kcon+0x2F0(SB)/8, $0x106aa07032bbd1b8
DATA ·kcon+0x2F8(SB)/8, $0x106aa07032bbd1b8
DATA ·kcon+0x300(SB)/8, $0x19a4c116b8d2d0c8
DATA ·kcon+0x308(SB)/8, $0x19a4c116b8d2d0c8
DATA ·kcon+0x310(SB)/8, $0x1e376c085141ab53
DATA ·kcon+0x318(SB)/8, $0x1e376c085141ab53
DATA ·kcon+0x320(SB)/8, $0x2748774cdf8eeb99
DATA ·kcon+0x328(SB)/8, $0x2748774cdf8eeb99
DATA ·kcon+0x330(SB)/8, $0x34b0bcb5e19b48a8
DATA ·kcon+0x338(SB)/8, $0x34b0bcb5e19b48a8
DATA ·kcon+0x340(SB)/8, $0x391c0cb3c5c95a63
DATA ·kcon+0x348(SB)/8, $0x391c0cb3c5c95a63
DATA ·kcon+0x350(SB)/8, $0x4ed8aa4ae3418acb
DATA ·kcon+0x358(SB)/8, $0x4ed8aa4ae3418acb
DATA ·kcon+0x360(SB)/8, $0x5b9cca4f7763e373
DATA ·kcon+0x368(SB)/8, $0x5b9cca4f7763e373
DATA ·kcon+0x370(SB)/8, $0x682e6ff3d6b2b8a3
DATA ·kcon+0x378(SB)/8, $0x682e6ff3d6b2b8a3
DATA ·kcon+0x380(SB)/8, $0x748f82ee5defb2fc
DATA ·kcon+0x388(SB)/8, $0x748f82ee5defb2fc
DATA ·kcon+0x390(SB)/8, $0x78a5636f43172f60
DATA ·kcon+0x398(SB)/8, $0x78a5636f43172f60
DATA ·kcon+0x3A0(SB)/8, $0x84c87814a1f0ab72
DATA ·kcon+0x3A8(SB)/8, $0x84c87814a1f0ab72
DATA ·kcon+0x3B0(SB)/8, $0x8cc702081a6439ec
DATA ·kcon+0x3B8(SB)/8, $0x8cc702081a6439ec
DATA ·kcon+0x3C0(SB)/8, $0x90befffa23631e28
DATA ·kcon+0x3C8(SB)/8, $0x90befffa23631e28
DATA ·kcon+0x3D0(SB)/8, $0xa4506cebde82bde9
DATA ·kcon+0x3D8(SB)/8, $0xa4506cebde82bde9
DATA ·kcon+0x3E0(SB)/8, $0xbef9a3f7b2c67915
DATA ·kcon+0x3E8(SB)/8, $0xbef9a3f7b2c67915
DATA ·kcon+0x3F0(SB)/8, $0xc67178f2e372532b
DATA ·kcon+0x3F8(SB)/8, $0xc67178f2e372532b
DATA ·kcon+0x400(SB)/8, $0xca273eceea26619c
DATA ·kcon+0x408(SB)/8, $0xca273eceea26619c
DATA ·kcon+0x410(SB)/8, $0xd186b8c721c0c207
DATA ·kcon+0x418(SB)/8, $0xd186b8c721c0c207
DATA ·kcon+0x420(SB)/8, $0xeada7dd6cde0eb1e
DATA ·kcon+0x428(SB)/8, $0xeada7dd6cde0eb1e
DATA ·kcon+0x430(SB)/8, $0xf57d4f7fee6ed178
DATA ·kcon+0x438(SB)/8, $0xf57d4f7fee6ed178
DATA ·kcon+0x440(SB)/8, $0x06f067aa72176fba
DATA ·kcon+0x448(SB)/8, $0x06f067aa72176fba
DATA ·kcon+0x450(SB)/8, $0x0a637dc5a2c898a6
DATA ·kcon+0x458(SB)/8, $0x0a637dc5a2c898a6
DATA ·kcon+0x460(SB)/8, $0x113f9804bef90dae
DATA ·kcon+0x468(SB)/8, $0x113f9804bef90dae
DATA ·kcon+0x470(SB)/8, $0x1b710b35131c471b
DATA ·kcon+0x478(SB)/8, $0x1b710b35131c471b
DATA ·kcon+0x480(SB)/8, $0x28db77f523047d84
DATA ·kcon+0x488(SB)/8, $0x28db77f523047d84
DATA ·kcon+0x490(SB)/8, $0x32caab7b40c72493
DATA ·kcon+0x498(SB)/8, $0x32caab7b40c72493
DATA ·kcon+0x4A0(SB)/8, $0x3c9ebe0a15c9bebc
DATA ·kcon+0x4A8(SB)/8, $0x3c9ebe0a15c9bebc
DATA ·kcon+0x4B0(SB)/8, $0x431d67c49c100d4c
DATA ·kcon+0x4B8(SB)/8, $0x431d67c49c100d4c
DATA ·kcon+0x4C0(SB)/8, $0x4cc5d4becb3e42b6
DATA ·kcon+0x4C8(SB)/8, $0x4cc5d4becb3e42b6
DATA ·kcon+0x4D0(SB)/8, $0x597f299cfc657e2a
DATA ·kcon+0x4D8(SB)/8, $0x597f299cfc657e2a
DATA ·kcon+0x4E0(SB)/8, $0x5fcb6fab3ad6faec
DATA ·kcon+0x4E8(SB)/8, $0x5fcb6fab3ad6faec
DATA ·kcon+0x4F0(SB)/8, $0x6c44198c4a475817
DATA ·kcon+0x4F8(SB)/8, $0x6c44198c4a475817
DATA ·kcon+0x500(SB)/8, $0x0000000000000000
DATA ·kcon+0x508(SB)/8, $0x0000000000000000
DATA ·kcon+0x510(SB)/8, $0x1011121314151617
DATA ·kcon+0x518(SB)/8, $0x0001020304050607
GLOBL ·kcon(SB), RODATA, $1312
#define SHA512ROUND0(index, const, a, b, c, d, e, f, g, h) \
MSGSCHEDULE0(index); \
SHA512ROUND(index, const, a, b, c, d, e, f, g, h)
#define SHA512ROUND0(a, b, c, d, e, f, g, h, xi) \
VSEL g, f, e, FUNC; \
VSHASIGMAD $15, e, $1, S1; \
VADDUDM xi, h, h; \
VSHASIGMAD $0, a, $1, S0; \
VADDUDM FUNC, h, h; \
VXOR b, a, FUNC; \
VADDUDM S1, h, h; \
VSEL b, c, FUNC, FUNC; \
VADDUDM KI, g, g; \
VADDUDM h, d, d; \
VADDUDM FUNC, S0, S0; \
LVX (TBL)(IDX), KI; \
ADD $16, IDX; \
VADDUDM S0, h, h
#define SHA512ROUND1(index, const, a, b, c, d, e, f, g, h) \
MSGSCHEDULE1(index); \
SHA512ROUND(index, const, a, b, c, d, e, f, g, h)
#define SHA512ROUND1(a, b, c, d, e, f, g, h, xi, xj, xj_1, xj_9, xj_14) \
VSHASIGMAD $0, xj_1, $0, s0; \
VSEL g, f, e, FUNC; \
VSHASIGMAD $15, e, $1, S1; \
VADDUDM xi, h, h; \
VSHASIGMAD $0, a, $1, S0; \
VSHASIGMAD $15, xj_14, $0, s1; \
VADDUDM FUNC, h, h; \
VXOR b, a, FUNC; \
VADDUDM xj_9, xj, xj; \
VADDUDM S1, h, h; \
VSEL b, c, FUNC, FUNC; \
VADDUDM KI, g, g; \
VADDUDM h, d, d; \
VADDUDM FUNC, S0, S0; \
VADDUDM s0, xj, xj; \
LVX (TBL)(IDX), KI; \
ADD $16, IDX; \
VADDUDM S0, h, h; \
VADDUDM s1, xj, xj
// func block(dig *digest, p []byte)
TEXT ·block(SB),0,$680-32
MOVD p_base+8(FP), R6
MOVD p_len+16(FP), R7
SRD $7, R7
SLD $7, R7
TEXT ·block(SB),0,$128-32
MOVD dig+0(FP), CTX
MOVD p_base+8(FP), INP
MOVD p_len+16(FP), LEN
SRD $6, LEN
SLD $6, LEN
ADD R6, R7, R8
MOVD R8, 640(R1)
CMP R6, R8
ADD INP, LEN, END
CMP INP, END
BEQ end
MOVD dig+0(FP), R9
MOVD (0*8)(R9), R22 // a = H0
MOVD (1*8)(R9), R23 // b = H1
MOVD (2*8)(R9), R24 // c = H2
MOVD (3*8)(R9), R25 // d = H3
MOVD (4*8)(R9), R26 // e = H4
MOVD (5*8)(R9), R27 // f = H5
MOVD (6*8)(R9), R28 // g = H6
MOVD (7*8)(R9), R29 // h = H7
MOVD $·kcon(SB), TBL
MOVD R1, OFFLOAD
MOVD R0, CNT
MOVWZ $0x10, HEX10
MOVWZ $0x20, HEX20
MOVWZ $0x30, HEX30
MOVWZ $0x40, HEX40
MOVWZ $0x50, HEX50
MOVWZ $0x60, HEX60
MOVWZ $0x70, HEX70
MOVWZ $8, IDX
LVSL (IDX)(R0), LEMASK
VSPLTISB $0x0F, KI
VXOR KI, LEMASK, LEMASK
LXVD2X (CTX)(HEX00), VS32 // v0 = vs32
LXVD2X (CTX)(HEX10), VS34 // v2 = vs34
LXVD2X (CTX)(HEX20), VS36 // v4 = vs36
// unpack the input values into vector registers
VSLDOI $8, V0, V0, V1
LXVD2X (CTX)(HEX30), VS38 // v6 = vs38
VSLDOI $8, V2, V2, V3
VSLDOI $8, V4, V4, V5
VSLDOI $8, V6, V6, V7
loop:
MOVD R1, R9 // R9: message schedule
LVX (TBL)(HEX00), KI
MOVWZ $16, IDX
SHA512ROUND0(0, 0x428a2f98d728ae22, R22, R23, R24, R25, R26, R27, R28, R29)
SHA512ROUND0(1, 0x7137449123ef65cd, R29, R22, R23, R24, R25, R26, R27, R28)
SHA512ROUND0(2, 0xb5c0fbcfec4d3b2f, R28, R29, R22, R23, R24, R25, R26, R27)
SHA512ROUND0(3, 0xe9b5dba58189dbbc, R27, R28, R29, R22, R23, R24, R25, R26)
SHA512ROUND0(4, 0x3956c25bf348b538, R26, R27, R28, R29, R22, R23, R24, R25)
SHA512ROUND0(5, 0x59f111f1b605d019, R25, R26, R27, R28, R29, R22, R23, R24)
SHA512ROUND0(6, 0x923f82a4af194f9b, R24, R25, R26, R27, R28, R29, R22, R23)
SHA512ROUND0(7, 0xab1c5ed5da6d8118, R23, R24, R25, R26, R27, R28, R29, R22)
SHA512ROUND0(8, 0xd807aa98a3030242, R22, R23, R24, R25, R26, R27, R28, R29)
SHA512ROUND0(9, 0x12835b0145706fbe, R29, R22, R23, R24, R25, R26, R27, R28)
SHA512ROUND0(10, 0x243185be4ee4b28c, R28, R29, R22, R23, R24, R25, R26, R27)
SHA512ROUND0(11, 0x550c7dc3d5ffb4e2, R27, R28, R29, R22, R23, R24, R25, R26)
SHA512ROUND0(12, 0x72be5d74f27b896f, R26, R27, R28, R29, R22, R23, R24, R25)
SHA512ROUND0(13, 0x80deb1fe3b1696b1, R25, R26, R27, R28, R29, R22, R23, R24)
SHA512ROUND0(14, 0x9bdc06a725c71235, R24, R25, R26, R27, R28, R29, R22, R23)
SHA512ROUND0(15, 0xc19bf174cf692694, R23, R24, R25, R26, R27, R28, R29, R22)
LXVD2X (INP)(R0), VS40 // load v8 (=vs40) in advance
ADD $16, INP
SHA512ROUND1(16, 0xe49b69c19ef14ad2, R22, R23, R24, R25, R26, R27, R28, R29)
SHA512ROUND1(17, 0xefbe4786384f25e3, R29, R22, R23, R24, R25, R26, R27, R28)
SHA512ROUND1(18, 0x0fc19dc68b8cd5b5, R28, R29, R22, R23, R24, R25, R26, R27)
SHA512ROUND1(19, 0x240ca1cc77ac9c65, R27, R28, R29, R22, R23, R24, R25, R26)
SHA512ROUND1(20, 0x2de92c6f592b0275, R26, R27, R28, R29, R22, R23, R24, R25)
SHA512ROUND1(21, 0x4a7484aa6ea6e483, R25, R26, R27, R28, R29, R22, R23, R24)
SHA512ROUND1(22, 0x5cb0a9dcbd41fbd4, R24, R25, R26, R27, R28, R29, R22, R23)
SHA512ROUND1(23, 0x76f988da831153b5, R23, R24, R25, R26, R27, R28, R29, R22)
SHA512ROUND1(24, 0x983e5152ee66dfab, R22, R23, R24, R25, R26, R27, R28, R29)
SHA512ROUND1(25, 0xa831c66d2db43210, R29, R22, R23, R24, R25, R26, R27, R28)
SHA512ROUND1(26, 0xb00327c898fb213f, R28, R29, R22, R23, R24, R25, R26, R27)
SHA512ROUND1(27, 0xbf597fc7beef0ee4, R27, R28, R29, R22, R23, R24, R25, R26)
SHA512ROUND1(28, 0xc6e00bf33da88fc2, R26, R27, R28, R29, R22, R23, R24, R25)
SHA512ROUND1(29, 0xd5a79147930aa725, R25, R26, R27, R28, R29, R22, R23, R24)
SHA512ROUND1(30, 0x06ca6351e003826f, R24, R25, R26, R27, R28, R29, R22, R23)
SHA512ROUND1(31, 0x142929670a0e6e70, R23, R24, R25, R26, R27, R28, R29, R22)
SHA512ROUND1(32, 0x27b70a8546d22ffc, R22, R23, R24, R25, R26, R27, R28, R29)
SHA512ROUND1(33, 0x2e1b21385c26c926, R29, R22, R23, R24, R25, R26, R27, R28)
SHA512ROUND1(34, 0x4d2c6dfc5ac42aed, R28, R29, R22, R23, R24, R25, R26, R27)
SHA512ROUND1(35, 0x53380d139d95b3df, R27, R28, R29, R22, R23, R24, R25, R26)
SHA512ROUND1(36, 0x650a73548baf63de, R26, R27, R28, R29, R22, R23, R24, R25)
SHA512ROUND1(37, 0x766a0abb3c77b2a8, R25, R26, R27, R28, R29, R22, R23, R24)
SHA512ROUND1(38, 0x81c2c92e47edaee6, R24, R25, R26, R27, R28, R29, R22, R23)
SHA512ROUND1(39, 0x92722c851482353b, R23, R24, R25, R26, R27, R28, R29, R22)
SHA512ROUND1(40, 0xa2bfe8a14cf10364, R22, R23, R24, R25, R26, R27, R28, R29)
SHA512ROUND1(41, 0xa81a664bbc423001, R29, R22, R23, R24, R25, R26, R27, R28)
SHA512ROUND1(42, 0xc24b8b70d0f89791, R28, R29, R22, R23, R24, R25, R26, R27)
SHA512ROUND1(43, 0xc76c51a30654be30, R27, R28, R29, R22, R23, R24, R25, R26)
SHA512ROUND1(44, 0xd192e819d6ef5218, R26, R27, R28, R29, R22, R23, R24, R25)
SHA512ROUND1(45, 0xd69906245565a910, R25, R26, R27, R28, R29, R22, R23, R24)
SHA512ROUND1(46, 0xf40e35855771202a, R24, R25, R26, R27, R28, R29, R22, R23)
SHA512ROUND1(47, 0x106aa07032bbd1b8, R23, R24, R25, R26, R27, R28, R29, R22)
SHA512ROUND1(48, 0x19a4c116b8d2d0c8, R22, R23, R24, R25, R26, R27, R28, R29)
SHA512ROUND1(49, 0x1e376c085141ab53, R29, R22, R23, R24, R25, R26, R27, R28)
SHA512ROUND1(50, 0x2748774cdf8eeb99, R28, R29, R22, R23, R24, R25, R26, R27)
SHA512ROUND1(51, 0x34b0bcb5e19b48a8, R27, R28, R29, R22, R23, R24, R25, R26)
SHA512ROUND1(52, 0x391c0cb3c5c95a63, R26, R27, R28, R29, R22, R23, R24, R25)
SHA512ROUND1(53, 0x4ed8aa4ae3418acb, R25, R26, R27, R28, R29, R22, R23, R24)
SHA512ROUND1(54, 0x5b9cca4f7763e373, R24, R25, R26, R27, R28, R29, R22, R23)
SHA512ROUND1(55, 0x682e6ff3d6b2b8a3, R23, R24, R25, R26, R27, R28, R29, R22)
SHA512ROUND1(56, 0x748f82ee5defb2fc, R22, R23, R24, R25, R26, R27, R28, R29)
SHA512ROUND1(57, 0x78a5636f43172f60, R29, R22, R23, R24, R25, R26, R27, R28)
SHA512ROUND1(58, 0x84c87814a1f0ab72, R28, R29, R22, R23, R24, R25, R26, R27)
SHA512ROUND1(59, 0x8cc702081a6439ec, R27, R28, R29, R22, R23, R24, R25, R26)
SHA512ROUND1(60, 0x90befffa23631e28, R26, R27, R28, R29, R22, R23, R24, R25)
SHA512ROUND1(61, 0xa4506cebde82bde9, R25, R26, R27, R28, R29, R22, R23, R24)
SHA512ROUND1(62, 0xbef9a3f7b2c67915, R24, R25, R26, R27, R28, R29, R22, R23)
SHA512ROUND1(63, 0xc67178f2e372532b, R23, R24, R25, R26, R27, R28, R29, R22)
SHA512ROUND1(64, 0xca273eceea26619c, R22, R23, R24, R25, R26, R27, R28, R29)
SHA512ROUND1(65, 0xd186b8c721c0c207, R29, R22, R23, R24, R25, R26, R27, R28)
SHA512ROUND1(66, 0xeada7dd6cde0eb1e, R28, R29, R22, R23, R24, R25, R26, R27)
SHA512ROUND1(67, 0xf57d4f7fee6ed178, R27, R28, R29, R22, R23, R24, R25, R26)
SHA512ROUND1(68, 0x06f067aa72176fba, R26, R27, R28, R29, R22, R23, R24, R25)
SHA512ROUND1(69, 0x0a637dc5a2c898a6, R25, R26, R27, R28, R29, R22, R23, R24)
SHA512ROUND1(70, 0x113f9804bef90dae, R24, R25, R26, R27, R28, R29, R22, R23)
SHA512ROUND1(71, 0x1b710b35131c471b, R23, R24, R25, R26, R27, R28, R29, R22)
SHA512ROUND1(72, 0x28db77f523047d84, R22, R23, R24, R25, R26, R27, R28, R29)
SHA512ROUND1(73, 0x32caab7b40c72493, R29, R22, R23, R24, R25, R26, R27, R28)
SHA512ROUND1(74, 0x3c9ebe0a15c9bebc, R28, R29, R22, R23, R24, R25, R26, R27)
SHA512ROUND1(75, 0x431d67c49c100d4c, R27, R28, R29, R22, R23, R24, R25, R26)
SHA512ROUND1(76, 0x4cc5d4becb3e42b6, R26, R27, R28, R29, R22, R23, R24, R25)
SHA512ROUND1(77, 0x597f299cfc657e2a, R25, R26, R27, R28, R29, R22, R23, R24)
SHA512ROUND1(78, 0x5fcb6fab3ad6faec, R24, R25, R26, R27, R28, R29, R22, R23)
SHA512ROUND1(79, 0x6c44198c4a475817, R23, R24, R25, R26, R27, R28, R29, R22)
STVX V0, (OFFLOAD+HEX00)
STVX V1, (OFFLOAD+HEX10)
STVX V2, (OFFLOAD+HEX20)
STVX V3, (OFFLOAD+HEX30)
STVX V4, (OFFLOAD+HEX40)
STVX V5, (OFFLOAD+HEX50)
STVX V6, (OFFLOAD+HEX60)
STVX V7, (OFFLOAD+HEX70)
MOVD dig+0(FP), R9
MOVD (0*8)(R9), R21
ADD R21, R22 // H0 = a + H0
MOVD R22, (0*8)(R9)
MOVD (1*8)(R9), R21
ADD R21, R23 // H1 = b + H1
MOVD R23, (1*8)(R9)
MOVD (2*8)(R9), R21
ADD R21, R24 // H2 = c + H2
MOVD R24, (2*8)(R9)
MOVD (3*8)(R9), R21
ADD R21, R25 // H3 = d + H3
MOVD R25, (3*8)(R9)
MOVD (4*8)(R9), R21
ADD R21, R26 // H4 = e + H4
MOVD R26, (4*8)(R9)
MOVD (5*8)(R9), R21
ADD R21, R27 // H5 = f + H5
MOVD R27, (5*8)(R9)
MOVD (6*8)(R9), R21
ADD R21, R28 // H6 = g + H6
MOVD R28, (6*8)(R9)
MOVD (7*8)(R9), R21
ADD R21, R29 // H7 = h + H7
MOVD R29, (7*8)(R9)
VADDUDM KI, V7, V7 // h+K[i]
LVX (TBL)(IDX), KI
ADD $16, IDX
ADD $128, R6
MOVD 640(R1), R21
CMPU R6, R21
VPERM V8, V8, LEMASK, V8
SHA512ROUND0(V0, V1, V2, V3, V4, V5, V6, V7, V8)
LXVD2X (INP)(R0), VS42 // load v10 (=vs42) in advance
ADD $16, INP, INP
VSLDOI $8, V8, V8, V9
SHA512ROUND0(V7, V0, V1, V2, V3, V4, V5, V6, V9)
VPERM V10, V10, LEMASK, V10
SHA512ROUND0(V6, V7, V0, V1, V2, V3, V4, V5, V10)
LXVD2X (INP)(R0), VS44 // load v12 (=vs44) in advance
ADD $16, INP, INP
VSLDOI $8, V10, V10, V11
SHA512ROUND0(V5, V6, V7, V0, V1, V2, V3, V4, V11)
VPERM V12, V12, LEMASK, V12
SHA512ROUND0(V4, V5, V6, V7, V0, V1, V2, V3, V12)
LXVD2X (INP)(R0), VS46 // load v14 (=vs46) in advance
ADD $16, INP, INP
VSLDOI $8, V12, V12, V13
SHA512ROUND0(V3, V4, V5, V6, V7, V0, V1, V2, V13)
VPERM V14, V14, LEMASK, V14
SHA512ROUND0(V2, V3, V4, V5, V6, V7, V0, V1, V14)
LXVD2X (INP)(R0), VS48 // load v16 (=vs48) in advance
ADD $16, INP, INP
VSLDOI $8, V14, V14, V15
SHA512ROUND0(V1, V2, V3, V4, V5, V6, V7, V0, V15)
VPERM V16, V16, LEMASK, V16
SHA512ROUND0(V0, V1, V2, V3, V4, V5, V6, V7, V16)
LXVD2X (INP)(R0), VS50 // load v18 (=vs50) in advance
ADD $16, INP, INP
VSLDOI $8, V16, V16, V17
SHA512ROUND0(V7, V0, V1, V2, V3, V4, V5, V6, V17)
VPERM V18, V18, LEMASK, V18
SHA512ROUND0(V6, V7, V0, V1, V2, V3, V4, V5, V18)
LXVD2X (INP)(R0), VS52 // load v20 (=vs52) in advance
ADD $16, INP, INP
VSLDOI $8, V18, V18, V19
SHA512ROUND0(V5, V6, V7, V0, V1, V2, V3, V4, V19)
VPERM V20, V20, LEMASK, V20
SHA512ROUND0(V4, V5, V6, V7, V0, V1, V2, V3, V20)
LXVD2X (INP)(R0), VS54 // load v22 (=vs54) in advance
ADD $16, INP, INP
VSLDOI $8, V20, V20, V21
SHA512ROUND0(V3, V4, V5, V6, V7, V0, V1, V2, V21)
VPERM V22, V22, LEMASK, V22
SHA512ROUND0(V2, V3, V4, V5, V6, V7, V0, V1, V22)
VSLDOI $8, V22, V22, V23
SHA512ROUND1(V1, V2, V3, V4, V5, V6, V7, V0, V23, V8, V9, V17, V22)
MOVWZ $4, TEMP
MOVWZ TEMP, CTR
L16_xx:
SHA512ROUND1(V0, V1, V2, V3, V4, V5, V6, V7, V8, V9, V10, V18, V23)
SHA512ROUND1(V7, V0, V1, V2, V3, V4, V5, V6, V9, V10, V11, V19, V8)
SHA512ROUND1(V6, V7, V0, V1, V2, V3, V4, V5, V10, V11, V12, V20, V9)
SHA512ROUND1(V5, V6, V7, V0, V1, V2, V3, V4, V11, V12, V13, V21, V10)
SHA512ROUND1(V4, V5, V6, V7, V0, V1, V2, V3, V12, V13, V14, V22, V11)
SHA512ROUND1(V3, V4, V5, V6, V7, V0, V1, V2, V13, V14, V15, V23, V12)
SHA512ROUND1(V2, V3, V4, V5, V6, V7, V0, V1, V14, V15, V16, V8, V13)
SHA512ROUND1(V1, V2, V3, V4, V5, V6, V7, V0, V15, V16, V17, V9, V14)
SHA512ROUND1(V0, V1, V2, V3, V4, V5, V6, V7, V16, V17, V18, V10, V15)
SHA512ROUND1(V7, V0, V1, V2, V3, V4, V5, V6, V17, V18, V19, V11, V16)
SHA512ROUND1(V6, V7, V0, V1, V2, V3, V4, V5, V18, V19, V20, V12, V17)
SHA512ROUND1(V5, V6, V7, V0, V1, V2, V3, V4, V19, V20, V21, V13, V18)
SHA512ROUND1(V4, V5, V6, V7, V0, V1, V2, V3, V20, V21, V22, V14, V19)
SHA512ROUND1(V3, V4, V5, V6, V7, V0, V1, V2, V21, V22, V23, V15, V20)
SHA512ROUND1(V2, V3, V4, V5, V6, V7, V0, V1, V22, V23, V8, V16, V21)
SHA512ROUND1(V1, V2, V3, V4, V5, V6, V7, V0, V23, V8, V9, V17, V22)
BC 0x10, 0, L16_xx // bdnz
LVX (OFFLOAD)(HEX00), V10
LVX (OFFLOAD)(HEX10), V11
VADDUDM V10, V0, V0
LVX (OFFLOAD)(HEX20), V12
VADDUDM V11, V1, V1
LVX (OFFLOAD)(HEX30), V13
VADDUDM V12, V2, V2
LVX (OFFLOAD)(HEX40), V14
VADDUDM V13, V3, V3
LVX (OFFLOAD)(HEX50), V15
VADDUDM V14, V4, V4
LVX (OFFLOAD)(HEX60), V16
VADDUDM V15, V5, V5
LVX (OFFLOAD)(HEX70), V17
VADDUDM V16, V6, V6
VADDUDM V17, V7, V7
CMPU INP, END
BLT loop
VPERM V0, V1, KI, V0
VPERM V2, V3, KI, V2
VPERM V4, V5, KI, V4
VPERM V6, V7, KI, V6
STXVD2X VS32, (CTX+HEX00) // v0 = vs32
STXVD2X VS34, (CTX+HEX10) // v2 = vs34
STXVD2X VS36, (CTX+HEX20) // v4 = vs36
STXVD2X VS38, (CTX+HEX30) // v6 = vs38
end:
RET
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