1 // Copyright 2016 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
4
5 // Based on CRYPTOGAMS code with the following comment:
6 // # ====================================================================
7 // # Written by Andy Polyakov <appro@openssl.org> for the OpenSSL
8 // # project. The module is, however, dual licensed under OpenSSL and
9 // # CRYPTOGAMS licenses depending on where you obtain it. For further
10 // # details see http://www.openssl.org/~appro/cryptogams/.
11 // # ====================================================================
12
13 //go:build (ppc64 || ppc64le) && !purego
14
15 #include "textflag.h"
16
17 // SHA512 block routine. See sha512block.go for Go equivalent.
18 //
19 // The algorithm is detailed in FIPS 180-4:
20 //
21 // https://csrc.nist.gov/publications/fips/fips180-4/fips-180-4.pdf
22 //
23 // Wt = Mt; for 0 <= t <= 15
24 // Wt = SIGMA1(Wt-2) + SIGMA0(Wt-15) + Wt-16; for 16 <= t <= 79
25 //
26 // a = H0
27 // b = H1
28 // c = H2
29 // d = H3
30 // e = H4
31 // f = H5
32 // g = H6
33 // h = H7
34 //
35 // for t = 0 to 79 {
36 // T1 = h + BIGSIGMA1(e) + Ch(e,f,g) + Kt + Wt
37 // T2 = BIGSIGMA0(a) + Maj(a,b,c)
38 // h = g
39 // g = f
40 // f = e
41 // e = d + T1
42 // d = c
43 // c = b
44 // b = a
45 // a = T1 + T2
46 // }
47 //
48 // H0 = a + H0
49 // H1 = b + H1
50 // H2 = c + H2
51 // H3 = d + H3
52 // H4 = e + H4
53 // H5 = f + H5
54 // H6 = g + H6
55 // H7 = h + H7
56
57 #define CTX R3
58 #define INP R4
59 #define END R5
60 #define TBL R6
61 #define CNT R8
62 #define LEN R9
63 #define TEMP R12
64
65 #define TBL_STRT R7 // Pointer to start of kcon table.
66
67 #define R_x000 R0
68 #define R_x010 R10
69 #define R_x020 R25
70 #define R_x030 R26
71 #define R_x040 R14
72 #define R_x050 R15
73 #define R_x060 R16
74 #define R_x070 R17
75 #define R_x080 R18
76 #define R_x090 R19
77 #define R_x0a0 R20
78 #define R_x0b0 R21
79 #define R_x0c0 R22
80 #define R_x0d0 R23
81 #define R_x0e0 R24
82 #define R_x0f0 R28
83 #define R_x100 R29
84 #define R_x110 R27
85
86
87 // V0-V7 are A-H
88 // V8-V23 are used for the message schedule
89 #define KI V24
90 #define FUNC V25
91 #define S0 V26
92 #define S1 V27
93 #define s0 V28
94 #define s1 V29
95 #define LEMASK V31 // Permutation control register for little endian
96
97 // VPERM is needed on LE to switch the bytes
98
99 #ifdef GOARCH_ppc64le
100 #define VPERMLE(va,vb,vc,vt) VPERM va, vb, vc, vt
101 #else
102 #define VPERMLE(va,vb,vc,vt)
103 #endif
104
105 // 2 copies of each Kt, to fill both doublewords of a vector register
106 DATA ·kcon+0x000(SB)/8, $0x428a2f98d728ae22
107 DATA ·kcon+0x008(SB)/8, $0x428a2f98d728ae22
108 DATA ·kcon+0x010(SB)/8, $0x7137449123ef65cd
109 DATA ·kcon+0x018(SB)/8, $0x7137449123ef65cd
110 DATA ·kcon+0x020(SB)/8, $0xb5c0fbcfec4d3b2f
111 DATA ·kcon+0x028(SB)/8, $0xb5c0fbcfec4d3b2f
112 DATA ·kcon+0x030(SB)/8, $0xe9b5dba58189dbbc
113 DATA ·kcon+0x038(SB)/8, $0xe9b5dba58189dbbc
114 DATA ·kcon+0x040(SB)/8, $0x3956c25bf348b538
115 DATA ·kcon+0x048(SB)/8, $0x3956c25bf348b538
116 DATA ·kcon+0x050(SB)/8, $0x59f111f1b605d019
117 DATA ·kcon+0x058(SB)/8, $0x59f111f1b605d019
118 DATA ·kcon+0x060(SB)/8, $0x923f82a4af194f9b
119 DATA ·kcon+0x068(SB)/8, $0x923f82a4af194f9b
120 DATA ·kcon+0x070(SB)/8, $0xab1c5ed5da6d8118
121 DATA ·kcon+0x078(SB)/8, $0xab1c5ed5da6d8118
122 DATA ·kcon+0x080(SB)/8, $0xd807aa98a3030242
123 DATA ·kcon+0x088(SB)/8, $0xd807aa98a3030242
124 DATA ·kcon+0x090(SB)/8, $0x12835b0145706fbe
125 DATA ·kcon+0x098(SB)/8, $0x12835b0145706fbe
126 DATA ·kcon+0x0A0(SB)/8, $0x243185be4ee4b28c
127 DATA ·kcon+0x0A8(SB)/8, $0x243185be4ee4b28c
128 DATA ·kcon+0x0B0(SB)/8, $0x550c7dc3d5ffb4e2
129 DATA ·kcon+0x0B8(SB)/8, $0x550c7dc3d5ffb4e2
130 DATA ·kcon+0x0C0(SB)/8, $0x72be5d74f27b896f
131 DATA ·kcon+0x0C8(SB)/8, $0x72be5d74f27b896f
132 DATA ·kcon+0x0D0(SB)/8, $0x80deb1fe3b1696b1
133 DATA ·kcon+0x0D8(SB)/8, $0x80deb1fe3b1696b1
134 DATA ·kcon+0x0E0(SB)/8, $0x9bdc06a725c71235
135 DATA ·kcon+0x0E8(SB)/8, $0x9bdc06a725c71235
136 DATA ·kcon+0x0F0(SB)/8, $0xc19bf174cf692694
137 DATA ·kcon+0x0F8(SB)/8, $0xc19bf174cf692694
138 DATA ·kcon+0x100(SB)/8, $0xe49b69c19ef14ad2
139 DATA ·kcon+0x108(SB)/8, $0xe49b69c19ef14ad2
140 DATA ·kcon+0x110(SB)/8, $0xefbe4786384f25e3
141 DATA ·kcon+0x118(SB)/8, $0xefbe4786384f25e3
142 DATA ·kcon+0x120(SB)/8, $0x0fc19dc68b8cd5b5
143 DATA ·kcon+0x128(SB)/8, $0x0fc19dc68b8cd5b5
144 DATA ·kcon+0x130(SB)/8, $0x240ca1cc77ac9c65
145 DATA ·kcon+0x138(SB)/8, $0x240ca1cc77ac9c65
146 DATA ·kcon+0x140(SB)/8, $0x2de92c6f592b0275
147 DATA ·kcon+0x148(SB)/8, $0x2de92c6f592b0275
148 DATA ·kcon+0x150(SB)/8, $0x4a7484aa6ea6e483
149 DATA ·kcon+0x158(SB)/8, $0x4a7484aa6ea6e483
150 DATA ·kcon+0x160(SB)/8, $0x5cb0a9dcbd41fbd4
151 DATA ·kcon+0x168(SB)/8, $0x5cb0a9dcbd41fbd4
152 DATA ·kcon+0x170(SB)/8, $0x76f988da831153b5
153 DATA ·kcon+0x178(SB)/8, $0x76f988da831153b5
154 DATA ·kcon+0x180(SB)/8, $0x983e5152ee66dfab
155 DATA ·kcon+0x188(SB)/8, $0x983e5152ee66dfab
156 DATA ·kcon+0x190(SB)/8, $0xa831c66d2db43210
157 DATA ·kcon+0x198(SB)/8, $0xa831c66d2db43210
158 DATA ·kcon+0x1A0(SB)/8, $0xb00327c898fb213f
159 DATA ·kcon+0x1A8(SB)/8, $0xb00327c898fb213f
160 DATA ·kcon+0x1B0(SB)/8, $0xbf597fc7beef0ee4
161 DATA ·kcon+0x1B8(SB)/8, $0xbf597fc7beef0ee4
162 DATA ·kcon+0x1C0(SB)/8, $0xc6e00bf33da88fc2
163 DATA ·kcon+0x1C8(SB)/8, $0xc6e00bf33da88fc2
164 DATA ·kcon+0x1D0(SB)/8, $0xd5a79147930aa725
165 DATA ·kcon+0x1D8(SB)/8, $0xd5a79147930aa725
166 DATA ·kcon+0x1E0(SB)/8, $0x06ca6351e003826f
167 DATA ·kcon+0x1E8(SB)/8, $0x06ca6351e003826f
168 DATA ·kcon+0x1F0(SB)/8, $0x142929670a0e6e70
169 DATA ·kcon+0x1F8(SB)/8, $0x142929670a0e6e70
170 DATA ·kcon+0x200(SB)/8, $0x27b70a8546d22ffc
171 DATA ·kcon+0x208(SB)/8, $0x27b70a8546d22ffc
172 DATA ·kcon+0x210(SB)/8, $0x2e1b21385c26c926
173 DATA ·kcon+0x218(SB)/8, $0x2e1b21385c26c926
174 DATA ·kcon+0x220(SB)/8, $0x4d2c6dfc5ac42aed
175 DATA ·kcon+0x228(SB)/8, $0x4d2c6dfc5ac42aed
176 DATA ·kcon+0x230(SB)/8, $0x53380d139d95b3df
177 DATA ·kcon+0x238(SB)/8, $0x53380d139d95b3df
178 DATA ·kcon+0x240(SB)/8, $0x650a73548baf63de
179 DATA ·kcon+0x248(SB)/8, $0x650a73548baf63de
180 DATA ·kcon+0x250(SB)/8, $0x766a0abb3c77b2a8
181 DATA ·kcon+0x258(SB)/8, $0x766a0abb3c77b2a8
182 DATA ·kcon+0x260(SB)/8, $0x81c2c92e47edaee6
183 DATA ·kcon+0x268(SB)/8, $0x81c2c92e47edaee6
184 DATA ·kcon+0x270(SB)/8, $0x92722c851482353b
185 DATA ·kcon+0x278(SB)/8, $0x92722c851482353b
186 DATA ·kcon+0x280(SB)/8, $0xa2bfe8a14cf10364
187 DATA ·kcon+0x288(SB)/8, $0xa2bfe8a14cf10364
188 DATA ·kcon+0x290(SB)/8, $0xa81a664bbc423001
189 DATA ·kcon+0x298(SB)/8, $0xa81a664bbc423001
190 DATA ·kcon+0x2A0(SB)/8, $0xc24b8b70d0f89791
191 DATA ·kcon+0x2A8(SB)/8, $0xc24b8b70d0f89791
192 DATA ·kcon+0x2B0(SB)/8, $0xc76c51a30654be30
193 DATA ·kcon+0x2B8(SB)/8, $0xc76c51a30654be30
194 DATA ·kcon+0x2C0(SB)/8, $0xd192e819d6ef5218
195 DATA ·kcon+0x2C8(SB)/8, $0xd192e819d6ef5218
196 DATA ·kcon+0x2D0(SB)/8, $0xd69906245565a910
197 DATA ·kcon+0x2D8(SB)/8, $0xd69906245565a910
198 DATA ·kcon+0x2E0(SB)/8, $0xf40e35855771202a
199 DATA ·kcon+0x2E8(SB)/8, $0xf40e35855771202a
200 DATA ·kcon+0x2F0(SB)/8, $0x106aa07032bbd1b8
201 DATA ·kcon+0x2F8(SB)/8, $0x106aa07032bbd1b8
202 DATA ·kcon+0x300(SB)/8, $0x19a4c116b8d2d0c8
203 DATA ·kcon+0x308(SB)/8, $0x19a4c116b8d2d0c8
204 DATA ·kcon+0x310(SB)/8, $0x1e376c085141ab53
205 DATA ·kcon+0x318(SB)/8, $0x1e376c085141ab53
206 DATA ·kcon+0x320(SB)/8, $0x2748774cdf8eeb99
207 DATA ·kcon+0x328(SB)/8, $0x2748774cdf8eeb99
208 DATA ·kcon+0x330(SB)/8, $0x34b0bcb5e19b48a8
209 DATA ·kcon+0x338(SB)/8, $0x34b0bcb5e19b48a8
210 DATA ·kcon+0x340(SB)/8, $0x391c0cb3c5c95a63
211 DATA ·kcon+0x348(SB)/8, $0x391c0cb3c5c95a63
212 DATA ·kcon+0x350(SB)/8, $0x4ed8aa4ae3418acb
213 DATA ·kcon+0x358(SB)/8, $0x4ed8aa4ae3418acb
214 DATA ·kcon+0x360(SB)/8, $0x5b9cca4f7763e373
215 DATA ·kcon+0x368(SB)/8, $0x5b9cca4f7763e373
216 DATA ·kcon+0x370(SB)/8, $0x682e6ff3d6b2b8a3
217 DATA ·kcon+0x378(SB)/8, $0x682e6ff3d6b2b8a3
218 DATA ·kcon+0x380(SB)/8, $0x748f82ee5defb2fc
219 DATA ·kcon+0x388(SB)/8, $0x748f82ee5defb2fc
220 DATA ·kcon+0x390(SB)/8, $0x78a5636f43172f60
221 DATA ·kcon+0x398(SB)/8, $0x78a5636f43172f60
222 DATA ·kcon+0x3A0(SB)/8, $0x84c87814a1f0ab72
223 DATA ·kcon+0x3A8(SB)/8, $0x84c87814a1f0ab72
224 DATA ·kcon+0x3B0(SB)/8, $0x8cc702081a6439ec
225 DATA ·kcon+0x3B8(SB)/8, $0x8cc702081a6439ec
226 DATA ·kcon+0x3C0(SB)/8, $0x90befffa23631e28
227 DATA ·kcon+0x3C8(SB)/8, $0x90befffa23631e28
228 DATA ·kcon+0x3D0(SB)/8, $0xa4506cebde82bde9
229 DATA ·kcon+0x3D8(SB)/8, $0xa4506cebde82bde9
230 DATA ·kcon+0x3E0(SB)/8, $0xbef9a3f7b2c67915
231 DATA ·kcon+0x3E8(SB)/8, $0xbef9a3f7b2c67915
232 DATA ·kcon+0x3F0(SB)/8, $0xc67178f2e372532b
233 DATA ·kcon+0x3F8(SB)/8, $0xc67178f2e372532b
234 DATA ·kcon+0x400(SB)/8, $0xca273eceea26619c
235 DATA ·kcon+0x408(SB)/8, $0xca273eceea26619c
236 DATA ·kcon+0x410(SB)/8, $0xd186b8c721c0c207
237 DATA ·kcon+0x418(SB)/8, $0xd186b8c721c0c207
238 DATA ·kcon+0x420(SB)/8, $0xeada7dd6cde0eb1e
239 DATA ·kcon+0x428(SB)/8, $0xeada7dd6cde0eb1e
240 DATA ·kcon+0x430(SB)/8, $0xf57d4f7fee6ed178
241 DATA ·kcon+0x438(SB)/8, $0xf57d4f7fee6ed178
242 DATA ·kcon+0x440(SB)/8, $0x06f067aa72176fba
243 DATA ·kcon+0x448(SB)/8, $0x06f067aa72176fba
244 DATA ·kcon+0x450(SB)/8, $0x0a637dc5a2c898a6
245 DATA ·kcon+0x458(SB)/8, $0x0a637dc5a2c898a6
246 DATA ·kcon+0x460(SB)/8, $0x113f9804bef90dae
247 DATA ·kcon+0x468(SB)/8, $0x113f9804bef90dae
248 DATA ·kcon+0x470(SB)/8, $0x1b710b35131c471b
249 DATA ·kcon+0x478(SB)/8, $0x1b710b35131c471b
250 DATA ·kcon+0x480(SB)/8, $0x28db77f523047d84
251 DATA ·kcon+0x488(SB)/8, $0x28db77f523047d84
252 DATA ·kcon+0x490(SB)/8, $0x32caab7b40c72493
253 DATA ·kcon+0x498(SB)/8, $0x32caab7b40c72493
254 DATA ·kcon+0x4A0(SB)/8, $0x3c9ebe0a15c9bebc
255 DATA ·kcon+0x4A8(SB)/8, $0x3c9ebe0a15c9bebc
256 DATA ·kcon+0x4B0(SB)/8, $0x431d67c49c100d4c
257 DATA ·kcon+0x4B8(SB)/8, $0x431d67c49c100d4c
258 DATA ·kcon+0x4C0(SB)/8, $0x4cc5d4becb3e42b6
259 DATA ·kcon+0x4C8(SB)/8, $0x4cc5d4becb3e42b6
260 DATA ·kcon+0x4D0(SB)/8, $0x597f299cfc657e2a
261 DATA ·kcon+0x4D8(SB)/8, $0x597f299cfc657e2a
262 DATA ·kcon+0x4E0(SB)/8, $0x5fcb6fab3ad6faec
263 DATA ·kcon+0x4E8(SB)/8, $0x5fcb6fab3ad6faec
264 DATA ·kcon+0x4F0(SB)/8, $0x6c44198c4a475817
265 DATA ·kcon+0x4F8(SB)/8, $0x6c44198c4a475817
266 DATA ·kcon+0x500(SB)/8, $0x0000000000000000
267 DATA ·kcon+0x508(SB)/8, $0x0000000000000000
268 DATA ·kcon+0x510(SB)/8, $0x1011121314151617
269 DATA ·kcon+0x518(SB)/8, $0x0001020304050607
270 GLOBL ·kcon(SB), RODATA, $1312
271
272 #define SHA512ROUND0(a, b, c, d, e, f, g, h, xi, idx) \
273 VSEL g, f, e, FUNC; \
274 VSHASIGMAD $15, e, $1, S1; \
275 VADDUDM xi, h, h; \
276 VSHASIGMAD $0, a, $1, S0; \
277 VADDUDM FUNC, h, h; \
278 VXOR b, a, FUNC; \
279 VADDUDM S1, h, h; \
280 VSEL b, c, FUNC, FUNC; \
281 VADDUDM KI, g, g; \
282 VADDUDM h, d, d; \
283 VADDUDM FUNC, S0, S0; \
284 LVX (TBL)(idx), KI; \
285 VADDUDM S0, h, h
286
287 #define SHA512ROUND1(a, b, c, d, e, f, g, h, xi, xj, xj_1, xj_9, xj_14, idx) \
288 VSHASIGMAD $0, xj_1, $0, s0; \
289 VSEL g, f, e, FUNC; \
290 VSHASIGMAD $15, e, $1, S1; \
291 VADDUDM xi, h, h; \
292 VSHASIGMAD $0, a, $1, S0; \
293 VSHASIGMAD $15, xj_14, $0, s1; \
294 VADDUDM FUNC, h, h; \
295 VXOR b, a, FUNC; \
296 VADDUDM xj_9, xj, xj; \
297 VADDUDM S1, h, h; \
298 VSEL b, c, FUNC, FUNC; \
299 VADDUDM KI, g, g; \
300 VADDUDM h, d, d; \
301 VADDUDM FUNC, S0, S0; \
302 VADDUDM s0, xj, xj; \
303 LVX (TBL)(idx), KI; \
304 VADDUDM S0, h, h; \
305 VADDUDM s1, xj, xj
306
307 // func blockPOWER(dig *Digest, p []byte)
308 TEXT ·blockPOWER(SB),0,$0-32
309 MOVD dig+0(FP), CTX
310 MOVD p_base+8(FP), INP
311 MOVD p_len+16(FP), LEN
312
313 SRD $6, LEN
314 SLD $6, LEN
315
316 ADD INP, LEN, END
317
318 CMP INP, END
319 BEQ end
320
321 MOVD $·kcon(SB), TBL_STRT
322
323 MOVD R0, CNT
324 MOVWZ $0x010, R_x010
325 MOVWZ $0x020, R_x020
326 MOVWZ $0x030, R_x030
327 MOVD $0x040, R_x040
328 MOVD $0x050, R_x050
329 MOVD $0x060, R_x060
330 MOVD $0x070, R_x070
331 MOVD $0x080, R_x080
332 MOVD $0x090, R_x090
333 MOVD $0x0a0, R_x0a0
334 MOVD $0x0b0, R_x0b0
335 MOVD $0x0c0, R_x0c0
336 MOVD $0x0d0, R_x0d0
337 MOVD $0x0e0, R_x0e0
338 MOVD $0x0f0, R_x0f0
339 MOVD $0x100, R_x100
340 MOVD $0x110, R_x110
341
342
343 #ifdef GOARCH_ppc64le
344 // Generate the mask used with VPERM for LE
345 MOVWZ $8, TEMP
346 LVSL (TEMP)(R0), LEMASK
347 VSPLTISB $0x0F, KI
348 VXOR KI, LEMASK, LEMASK
349 #endif
350
351 LXVD2X (CTX)(R_x000), VS32 // v0 = vs32
352 LXVD2X (CTX)(R_x010), VS34 // v2 = vs34
353 LXVD2X (CTX)(R_x020), VS36 // v4 = vs36
354
355 // unpack the input values into vector registers
356 VSLDOI $8, V0, V0, V1
357 LXVD2X (CTX)(R_x030), VS38 // v6 = vs38
358 VSLDOI $8, V2, V2, V3
359 VSLDOI $8, V4, V4, V5
360 VSLDOI $8, V6, V6, V7
361
362 loop:
363 MOVD TBL_STRT, TBL
364 LVX (TBL)(R_x000), KI
365
366 LXVD2X (INP)(R0), VS40 // load v8 (=vs40) in advance
367 ADD $16, INP
368
369 // Copy V0-V7 to VS24-VS31
370
371 XXLOR V0, V0, VS24
372 XXLOR V1, V1, VS25
373 XXLOR V2, V2, VS26
374 XXLOR V3, V3, VS27
375 XXLOR V4, V4, VS28
376 XXLOR V5, V5, VS29
377 XXLOR V6, V6, VS30
378 XXLOR V7, V7, VS31
379
380 VADDUDM KI, V7, V7 // h+K[i]
381 LVX (TBL)(R_x010), KI
382
383 VPERMLE(V8,V8,LEMASK,V8)
384 SHA512ROUND0(V0, V1, V2, V3, V4, V5, V6, V7, V8, R_x020)
385 LXVD2X (INP)(R_x000), VS42 // load v10 (=vs42) in advance
386 VSLDOI $8, V8, V8, V9
387 SHA512ROUND0(V7, V0, V1, V2, V3, V4, V5, V6, V9, R_x030)
388 VPERMLE(V10,V10,LEMASK,V10)
389 SHA512ROUND0(V6, V7, V0, V1, V2, V3, V4, V5, V10, R_x040)
390 LXVD2X (INP)(R_x010), VS44 // load v12 (=vs44) in advance
391 VSLDOI $8, V10, V10, V11
392 SHA512ROUND0(V5, V6, V7, V0, V1, V2, V3, V4, V11, R_x050)
393 VPERMLE(V12,V12,LEMASK,V12)
394 SHA512ROUND0(V4, V5, V6, V7, V0, V1, V2, V3, V12, R_x060)
395 LXVD2X (INP)(R_x020), VS46 // load v14 (=vs46) in advance
396 VSLDOI $8, V12, V12, V13
397 SHA512ROUND0(V3, V4, V5, V6, V7, V0, V1, V2, V13, R_x070)
398 VPERMLE(V14,V14,LEMASK,V14)
399 SHA512ROUND0(V2, V3, V4, V5, V6, V7, V0, V1, V14, R_x080)
400 LXVD2X (INP)(R_x030), VS48 // load v16 (=vs48) in advance
401 VSLDOI $8, V14, V14, V15
402 SHA512ROUND0(V1, V2, V3, V4, V5, V6, V7, V0, V15, R_x090)
403 VPERMLE(V16,V16,LEMASK,V16)
404 SHA512ROUND0(V0, V1, V2, V3, V4, V5, V6, V7, V16, R_x0a0)
405 LXVD2X (INP)(R_x040), VS50 // load v18 (=vs50) in advance
406 VSLDOI $8, V16, V16, V17
407 SHA512ROUND0(V7, V0, V1, V2, V3, V4, V5, V6, V17, R_x0b0)
408 VPERMLE(V18,V18,LEMASK,V18)
409 SHA512ROUND0(V6, V7, V0, V1, V2, V3, V4, V5, V18, R_x0c0)
410 LXVD2X (INP)(R_x050), VS52 // load v20 (=vs52) in advance
411 VSLDOI $8, V18, V18, V19
412 SHA512ROUND0(V5, V6, V7, V0, V1, V2, V3, V4, V19, R_x0d0)
413 VPERMLE(V20,V20,LEMASK,V20)
414 SHA512ROUND0(V4, V5, V6, V7, V0, V1, V2, V3, V20, R_x0e0)
415 LXVD2X (INP)(R_x060), VS54 // load v22 (=vs54) in advance
416 VSLDOI $8, V20, V20, V21
417 SHA512ROUND0(V3, V4, V5, V6, V7, V0, V1, V2, V21, R_x0f0)
418 VPERMLE(V22,V22,LEMASK,V22)
419 SHA512ROUND0(V2, V3, V4, V5, V6, V7, V0, V1, V22, R_x100)
420 VSLDOI $8, V22, V22, V23
421 SHA512ROUND1(V1, V2, V3, V4, V5, V6, V7, V0, V23, V8, V9, V17, V22, R_x110)
422
423 MOVWZ $4, TEMP
424 MOVWZ TEMP, CTR
425 ADD $0x120, TBL
426 ADD $0x70, INP
427
428 L16_xx:
429 SHA512ROUND1(V0, V1, V2, V3, V4, V5, V6, V7, V8, V9, V10, V18, V23, R_x000)
430 SHA512ROUND1(V7, V0, V1, V2, V3, V4, V5, V6, V9, V10, V11, V19, V8, R_x010)
431 SHA512ROUND1(V6, V7, V0, V1, V2, V3, V4, V5, V10, V11, V12, V20, V9, R_x020)
432 SHA512ROUND1(V5, V6, V7, V0, V1, V2, V3, V4, V11, V12, V13, V21, V10, R_x030)
433 SHA512ROUND1(V4, V5, V6, V7, V0, V1, V2, V3, V12, V13, V14, V22, V11, R_x040)
434 SHA512ROUND1(V3, V4, V5, V6, V7, V0, V1, V2, V13, V14, V15, V23, V12, R_x050)
435 SHA512ROUND1(V2, V3, V4, V5, V6, V7, V0, V1, V14, V15, V16, V8, V13, R_x060)
436 SHA512ROUND1(V1, V2, V3, V4, V5, V6, V7, V0, V15, V16, V17, V9, V14, R_x070)
437 SHA512ROUND1(V0, V1, V2, V3, V4, V5, V6, V7, V16, V17, V18, V10, V15, R_x080)
438 SHA512ROUND1(V7, V0, V1, V2, V3, V4, V5, V6, V17, V18, V19, V11, V16, R_x090)
439 SHA512ROUND1(V6, V7, V0, V1, V2, V3, V4, V5, V18, V19, V20, V12, V17, R_x0a0)
440 SHA512ROUND1(V5, V6, V7, V0, V1, V2, V3, V4, V19, V20, V21, V13, V18, R_x0b0)
441 SHA512ROUND1(V4, V5, V6, V7, V0, V1, V2, V3, V20, V21, V22, V14, V19, R_x0c0)
442 SHA512ROUND1(V3, V4, V5, V6, V7, V0, V1, V2, V21, V22, V23, V15, V20, R_x0d0)
443 SHA512ROUND1(V2, V3, V4, V5, V6, V7, V0, V1, V22, V23, V8, V16, V21, R_x0e0)
444 SHA512ROUND1(V1, V2, V3, V4, V5, V6, V7, V0, V23, V8, V9, V17, V22, R_x0f0)
445 ADD $0x100, TBL
446
447 BDNZ L16_xx
448
449 XXLOR VS24, VS24, V10
450 XXLOR VS25, VS25, V11
451 XXLOR VS26, VS26, V12
452 XXLOR VS27, VS27, V13
453 XXLOR VS28, VS28, V14
454 XXLOR VS29, VS29, V15
455 XXLOR VS30, VS30, V16
456 XXLOR VS31, VS31, V17
457 VADDUDM V10, V0, V0
458 VADDUDM V11, V1, V1
459 VADDUDM V12, V2, V2
460 VADDUDM V13, V3, V3
461 VADDUDM V14, V4, V4
462 VADDUDM V15, V5, V5
463 VADDUDM V16, V6, V6
464 VADDUDM V17, V7, V7
465
466 CMPU INP, END
467 BLT loop
468
469 #ifdef GOARCH_ppc64le
470 VPERM V0, V1, KI, V0
471 VPERM V2, V3, KI, V2
472 VPERM V4, V5, KI, V4
473 VPERM V6, V7, KI, V6
474 #else
475 VPERM V1, V0, KI, V0
476 VPERM V3, V2, KI, V2
477 VPERM V5, V4, KI, V4
478 VPERM V7, V6, KI, V6
479 #endif
480 STXVD2X VS32, (CTX+R_x000) // v0 = vs32
481 STXVD2X VS34, (CTX+R_x010) // v2 = vs34
482 STXVD2X VS36, (CTX+R_x020) // v4 = vs36
483 STXVD2X VS38, (CTX+R_x030) // v6 = vs38
484
485 end:
486 RET
487
488
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