1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * SM3 AVX accelerated transform. 4 * specified in: https://datatracker.ietf.org/doc/html/draft-sca-cfrg-sm3-02 5 * 6 * Copyright (C) 2021 Jussi Kivilinna <jussi.kivilinna@iki.fi> 7 * Copyright (C) 2021 Tianjia Zhang <tianjia.zhang@linux.alibaba.com> 8 */ 9 10/* Based on SM3 AES/BMI2 accelerated work by libgcrypt at: 11 * https://gnupg.org/software/libgcrypt/index.html 12 */ 13 14#include <linux/linkage.h> 15#include <linux/cfi_types.h> 16#include <asm/frame.h> 17 18/* Context structure */ 19 20#define state_h0 0 21#define state_h1 4 22#define state_h2 8 23#define state_h3 12 24#define state_h4 16 25#define state_h5 20 26#define state_h6 24 27#define state_h7 28 28 29/* Constants */ 30 31/* Round constant macros */ 32 33#define K0 2043430169 /* 0x79cc4519 */ 34#define K1 -208106958 /* 0xf3988a32 */ 35#define K2 -416213915 /* 0xe7311465 */ 36#define K3 -832427829 /* 0xce6228cb */ 37#define K4 -1664855657 /* 0x9cc45197 */ 38#define K5 965255983 /* 0x3988a32f */ 39#define K6 1930511966 /* 0x7311465e */ 40#define K7 -433943364 /* 0xe6228cbc */ 41#define K8 -867886727 /* 0xcc451979 */ 42#define K9 -1735773453 /* 0x988a32f3 */ 43#define K10 823420391 /* 0x311465e7 */ 44#define K11 1646840782 /* 0x6228cbce */ 45#define K12 -1001285732 /* 0xc451979c */ 46#define K13 -2002571463 /* 0x88a32f39 */ 47#define K14 289824371 /* 0x11465e73 */ 48#define K15 579648742 /* 0x228cbce6 */ 49#define K16 -1651869049 /* 0x9d8a7a87 */ 50#define K17 991229199 /* 0x3b14f50f */ 51#define K18 1982458398 /* 0x7629ea1e */ 52#define K19 -330050500 /* 0xec53d43c */ 53#define K20 -660100999 /* 0xd8a7a879 */ 54#define K21 -1320201997 /* 0xb14f50f3 */ 55#define K22 1654563303 /* 0x629ea1e7 */ 56#define K23 -985840690 /* 0xc53d43ce */ 57#define K24 -1971681379 /* 0x8a7a879d */ 58#define K25 351604539 /* 0x14f50f3b */ 59#define K26 703209078 /* 0x29ea1e76 */ 60#define K27 1406418156 /* 0x53d43cec */ 61#define K28 -1482130984 /* 0xa7a879d8 */ 62#define K29 1330705329 /* 0x4f50f3b1 */ 63#define K30 -1633556638 /* 0x9ea1e762 */ 64#define K31 1027854021 /* 0x3d43cec5 */ 65#define K32 2055708042 /* 0x7a879d8a */ 66#define K33 -183551212 /* 0xf50f3b14 */ 67#define K34 -367102423 /* 0xea1e7629 */ 68#define K35 -734204845 /* 0xd43cec53 */ 69#define K36 -1468409689 /* 0xa879d8a7 */ 70#define K37 1358147919 /* 0x50f3b14f */ 71#define K38 -1578671458 /* 0xa1e7629e */ 72#define K39 1137624381 /* 0x43cec53d */ 73#define K40 -2019718534 /* 0x879d8a7a */ 74#define K41 255530229 /* 0x0f3b14f5 */ 75#define K42 511060458 /* 0x1e7629ea */ 76#define K43 1022120916 /* 0x3cec53d4 */ 77#define K44 2044241832 /* 0x79d8a7a8 */ 78#define K45 -206483632 /* 0xf3b14f50 */ 79#define K46 -412967263 /* 0xe7629ea1 */ 80#define K47 -825934525 /* 0xcec53d43 */ 81#define K48 -1651869049 /* 0x9d8a7a87 */ 82#define K49 991229199 /* 0x3b14f50f */ 83#define K50 1982458398 /* 0x7629ea1e */ 84#define K51 -330050500 /* 0xec53d43c */ 85#define K52 -660100999 /* 0xd8a7a879 */ 86#define K53 -1320201997 /* 0xb14f50f3 */ 87#define K54 1654563303 /* 0x629ea1e7 */ 88#define K55 -985840690 /* 0xc53d43ce */ 89#define K56 -1971681379 /* 0x8a7a879d */ 90#define K57 351604539 /* 0x14f50f3b */ 91#define K58 703209078 /* 0x29ea1e76 */ 92#define K59 1406418156 /* 0x53d43cec */ 93#define K60 -1482130984 /* 0xa7a879d8 */ 94#define K61 1330705329 /* 0x4f50f3b1 */ 95#define K62 -1633556638 /* 0x9ea1e762 */ 96#define K63 1027854021 /* 0x3d43cec5 */ 97 98/* Register macros */ 99 100#define RSTATE %rdi 101#define RDATA %rsi 102#define RNBLKS %rdx 103 104#define t0 %eax 105#define t1 %ebx 106#define t2 %ecx 107 108#define a %r8d 109#define b %r9d 110#define c %r10d 111#define d %r11d 112#define e %r12d 113#define f %r13d 114#define g %r14d 115#define h %r15d 116 117#define W0 %xmm0 118#define W1 %xmm1 119#define W2 %xmm2 120#define W3 %xmm3 121#define W4 %xmm4 122#define W5 %xmm5 123 124#define XTMP0 %xmm6 125#define XTMP1 %xmm7 126#define XTMP2 %xmm8 127#define XTMP3 %xmm9 128#define XTMP4 %xmm10 129#define XTMP5 %xmm11 130#define XTMP6 %xmm12 131 132#define BSWAP_REG %xmm15 133 134/* Stack structure */ 135 136#define STACK_W_SIZE (32 * 2 * 3) 137#define STACK_REG_SAVE_SIZE (64) 138 139#define STACK_W (0) 140#define STACK_REG_SAVE (STACK_W + STACK_W_SIZE) 141#define STACK_SIZE (STACK_REG_SAVE + STACK_REG_SAVE_SIZE) 142 143/* Instruction helpers. */ 144 145#define roll2(v, reg) \ 146 roll $(v), reg; 147 148#define roll3mov(v, src, dst) \ 149 movl src, dst; \ 150 roll $(v), dst; 151 152#define roll3(v, src, dst) \ 153 rorxl $(32-(v)), src, dst; 154 155#define addl2(a, out) \ 156 leal (a, out), out; 157 158/* Round function macros. */ 159 160#define GG1(x, y, z, o, t) \ 161 movl x, o; \ 162 xorl y, o; \ 163 xorl z, o; 164 165#define FF1(x, y, z, o, t) GG1(x, y, z, o, t) 166 167#define GG2(x, y, z, o, t) \ 168 andnl z, x, o; \ 169 movl y, t; \ 170 andl x, t; \ 171 addl2(t, o); 172 173#define FF2(x, y, z, o, t) \ 174 movl y, o; \ 175 xorl x, o; \ 176 movl y, t; \ 177 andl x, t; \ 178 andl z, o; \ 179 xorl t, o; 180 181#define R(i, a, b, c, d, e, f, g, h, round, widx, wtype) \ 182 /* rol(a, 12) => t0 */ \ 183 roll3mov(12, a, t0); /* rorxl here would reduce perf by 6% on zen3 */ \ 184 /* rol (t0 + e + t), 7) => t1 */ \ 185 leal K##round(t0, e, 1), t1; \ 186 roll2(7, t1); \ 187 /* h + w1 => h */ \ 188 addl wtype##_W1_ADDR(round, widx), h; \ 189 /* h + t1 => h */ \ 190 addl2(t1, h); \ 191 /* t1 ^ t0 => t0 */ \ 192 xorl t1, t0; \ 193 /* w1w2 + d => d */ \ 194 addl wtype##_W1W2_ADDR(round, widx), d; \ 195 /* FF##i(a,b,c) => t1 */ \ 196 FF##i(a, b, c, t1, t2); \ 197 /* d + t1 => d */ \ 198 addl2(t1, d); \ 199 /* GG#i(e,f,g) => t2 */ \ 200 GG##i(e, f, g, t2, t1); \ 201 /* h + t2 => h */ \ 202 addl2(t2, h); \ 203 /* rol (f, 19) => f */ \ 204 roll2(19, f); \ 205 /* d + t0 => d */ \ 206 addl2(t0, d); \ 207 /* rol (b, 9) => b */ \ 208 roll2(9, b); \ 209 /* P0(h) => h */ \ 210 roll3(9, h, t2); \ 211 roll3(17, h, t1); \ 212 xorl t2, h; \ 213 xorl t1, h; 214 215#define R1(a, b, c, d, e, f, g, h, round, widx, wtype) \ 216 R(1, a, b, c, d, e, f, g, h, round, widx, wtype) 217 218#define R2(a, b, c, d, e, f, g, h, round, widx, wtype) \ 219 R(2, a, b, c, d, e, f, g, h, round, widx, wtype) 220 221/* Input expansion macros. */ 222 223/* Byte-swapped input address. */ 224#define IW_W_ADDR(round, widx, offs) \ 225 (STACK_W + ((round) / 4) * 64 + (offs) + ((widx) * 4))(%rsp) 226 227/* Expanded input address. */ 228#define XW_W_ADDR(round, widx, offs) \ 229 (STACK_W + ((((round) / 3) - 4) % 2) * 64 + (offs) + ((widx) * 4))(%rsp) 230 231/* Rounds 1-12, byte-swapped input block addresses. */ 232#define IW_W1_ADDR(round, widx) IW_W_ADDR(round, widx, 0) 233#define IW_W1W2_ADDR(round, widx) IW_W_ADDR(round, widx, 32) 234 235/* Rounds 1-12, expanded input block addresses. */ 236#define XW_W1_ADDR(round, widx) XW_W_ADDR(round, widx, 0) 237#define XW_W1W2_ADDR(round, widx) XW_W_ADDR(round, widx, 32) 238 239/* Input block loading. */ 240#define LOAD_W_XMM_1() \ 241 vmovdqu 0*16(RDATA), XTMP0; /* XTMP0: w3, w2, w1, w0 */ \ 242 vmovdqu 1*16(RDATA), XTMP1; /* XTMP1: w7, w6, w5, w4 */ \ 243 vmovdqu 2*16(RDATA), XTMP2; /* XTMP2: w11, w10, w9, w8 */ \ 244 vmovdqu 3*16(RDATA), XTMP3; /* XTMP3: w15, w14, w13, w12 */ \ 245 vpshufb BSWAP_REG, XTMP0, XTMP0; \ 246 vpshufb BSWAP_REG, XTMP1, XTMP1; \ 247 vpshufb BSWAP_REG, XTMP2, XTMP2; \ 248 vpshufb BSWAP_REG, XTMP3, XTMP3; \ 249 vpxor XTMP0, XTMP1, XTMP4; \ 250 vpxor XTMP1, XTMP2, XTMP5; \ 251 vpxor XTMP2, XTMP3, XTMP6; \ 252 leaq 64(RDATA), RDATA; \ 253 vmovdqa XTMP0, IW_W1_ADDR(0, 0); \ 254 vmovdqa XTMP4, IW_W1W2_ADDR(0, 0); \ 255 vmovdqa XTMP1, IW_W1_ADDR(4, 0); \ 256 vmovdqa XTMP5, IW_W1W2_ADDR(4, 0); 257 258#define LOAD_W_XMM_2() \ 259 vmovdqa XTMP2, IW_W1_ADDR(8, 0); \ 260 vmovdqa XTMP6, IW_W1W2_ADDR(8, 0); 261 262#define LOAD_W_XMM_3() \ 263 vpshufd $0b00000000, XTMP0, W0; /* W0: xx, w0, xx, xx */ \ 264 vpshufd $0b11111001, XTMP0, W1; /* W1: xx, w3, w2, w1 */ \ 265 vmovdqa XTMP1, W2; /* W2: xx, w6, w5, w4 */ \ 266 vpalignr $12, XTMP1, XTMP2, W3; /* W3: xx, w9, w8, w7 */ \ 267 vpalignr $8, XTMP2, XTMP3, W4; /* W4: xx, w12, w11, w10 */ \ 268 vpshufd $0b11111001, XTMP3, W5; /* W5: xx, w15, w14, w13 */ 269 270/* Message scheduling. Note: 3 words per XMM register. */ 271#define SCHED_W_0(round, w0, w1, w2, w3, w4, w5) \ 272 /* Load (w[i - 16]) => XTMP0 */ \ 273 vpshufd $0b10111111, w0, XTMP0; \ 274 vpalignr $12, XTMP0, w1, XTMP0; /* XTMP0: xx, w2, w1, w0 */ \ 275 /* Load (w[i - 13]) => XTMP1 */ \ 276 vpshufd $0b10111111, w1, XTMP1; \ 277 vpalignr $12, XTMP1, w2, XTMP1; \ 278 /* w[i - 9] == w3 */ \ 279 /* XMM3 ^ XTMP0 => XTMP0 */ \ 280 vpxor w3, XTMP0, XTMP0; 281 282#define SCHED_W_1(round, w0, w1, w2, w3, w4, w5) \ 283 /* w[i - 3] == w5 */ \ 284 /* rol(XMM5, 15) ^ XTMP0 => XTMP0 */ \ 285 vpslld $15, w5, XTMP2; \ 286 vpsrld $(32-15), w5, XTMP3; \ 287 vpxor XTMP2, XTMP3, XTMP3; \ 288 vpxor XTMP3, XTMP0, XTMP0; \ 289 /* rol(XTMP1, 7) => XTMP1 */ \ 290 vpslld $7, XTMP1, XTMP5; \ 291 vpsrld $(32-7), XTMP1, XTMP1; \ 292 vpxor XTMP5, XTMP1, XTMP1; \ 293 /* XMM4 ^ XTMP1 => XTMP1 */ \ 294 vpxor w4, XTMP1, XTMP1; \ 295 /* w[i - 6] == XMM4 */ \ 296 /* P1(XTMP0) ^ XTMP1 => XMM0 */ \ 297 vpslld $15, XTMP0, XTMP5; \ 298 vpsrld $(32-15), XTMP0, XTMP6; \ 299 vpslld $23, XTMP0, XTMP2; \ 300 vpsrld $(32-23), XTMP0, XTMP3; \ 301 vpxor XTMP0, XTMP1, XTMP1; \ 302 vpxor XTMP6, XTMP5, XTMP5; \ 303 vpxor XTMP3, XTMP2, XTMP2; \ 304 vpxor XTMP2, XTMP5, XTMP5; \ 305 vpxor XTMP5, XTMP1, w0; 306 307#define SCHED_W_2(round, w0, w1, w2, w3, w4, w5) \ 308 /* W1 in XMM12 */ \ 309 vpshufd $0b10111111, w4, XTMP4; \ 310 vpalignr $12, XTMP4, w5, XTMP4; \ 311 vmovdqa XTMP4, XW_W1_ADDR((round), 0); \ 312 /* W1 ^ W2 => XTMP1 */ \ 313 vpxor w0, XTMP4, XTMP1; \ 314 vmovdqa XTMP1, XW_W1W2_ADDR((round), 0); 315 316 317.section .rodata.cst16, "aM", @progbits, 16 318.align 16 319 320.Lbe32mask: 321 .long 0x00010203, 0x04050607, 0x08090a0b, 0x0c0d0e0f 322 323.text 324 325/* 326 * Transform nblocks*64 bytes (nblocks*16 32-bit words) at DATA. 327 * 328 * void sm3_transform_avx(struct sm3_state *state, 329 * const u8 *data, int nblocks); 330 */ 331.align 16 332SYM_TYPED_FUNC_START(sm3_transform_avx) 333 /* input: 334 * %rdi: ctx, CTX 335 * %rsi: data (64*nblks bytes) 336 * %rdx: nblocks 337 */ 338 vzeroupper; 339 340 pushq %rbp; 341 movq %rsp, %rbp; 342 343 movq %rdx, RNBLKS; 344 345 subq $STACK_SIZE, %rsp; 346 andq $(~63), %rsp; 347 348 movq %rbx, (STACK_REG_SAVE + 0 * 8)(%rsp); 349 movq %r15, (STACK_REG_SAVE + 1 * 8)(%rsp); 350 movq %r14, (STACK_REG_SAVE + 2 * 8)(%rsp); 351 movq %r13, (STACK_REG_SAVE + 3 * 8)(%rsp); 352 movq %r12, (STACK_REG_SAVE + 4 * 8)(%rsp); 353 354 vmovdqa .Lbe32mask (%rip), BSWAP_REG; 355 356 /* Get the values of the chaining variables. */ 357 movl state_h0(RSTATE), a; 358 movl state_h1(RSTATE), b; 359 movl state_h2(RSTATE), c; 360 movl state_h3(RSTATE), d; 361 movl state_h4(RSTATE), e; 362 movl state_h5(RSTATE), f; 363 movl state_h6(RSTATE), g; 364 movl state_h7(RSTATE), h; 365 366.align 16 367.Loop: 368 /* Load data part1. */ 369 LOAD_W_XMM_1(); 370 371 leaq -1(RNBLKS), RNBLKS; 372 373 /* Transform 0-3 + Load data part2. */ 374 R1(a, b, c, d, e, f, g, h, 0, 0, IW); LOAD_W_XMM_2(); 375 R1(d, a, b, c, h, e, f, g, 1, 1, IW); 376 R1(c, d, a, b, g, h, e, f, 2, 2, IW); 377 R1(b, c, d, a, f, g, h, e, 3, 3, IW); LOAD_W_XMM_3(); 378 379 /* Transform 4-7 + Precalc 12-14. */ 380 R1(a, b, c, d, e, f, g, h, 4, 0, IW); 381 R1(d, a, b, c, h, e, f, g, 5, 1, IW); 382 R1(c, d, a, b, g, h, e, f, 6, 2, IW); SCHED_W_0(12, W0, W1, W2, W3, W4, W5); 383 R1(b, c, d, a, f, g, h, e, 7, 3, IW); SCHED_W_1(12, W0, W1, W2, W3, W4, W5); 384 385 /* Transform 8-11 + Precalc 12-17. */ 386 R1(a, b, c, d, e, f, g, h, 8, 0, IW); SCHED_W_2(12, W0, W1, W2, W3, W4, W5); 387 R1(d, a, b, c, h, e, f, g, 9, 1, IW); SCHED_W_0(15, W1, W2, W3, W4, W5, W0); 388 R1(c, d, a, b, g, h, e, f, 10, 2, IW); SCHED_W_1(15, W1, W2, W3, W4, W5, W0); 389 R1(b, c, d, a, f, g, h, e, 11, 3, IW); SCHED_W_2(15, W1, W2, W3, W4, W5, W0); 390 391 /* Transform 12-14 + Precalc 18-20 */ 392 R1(a, b, c, d, e, f, g, h, 12, 0, XW); SCHED_W_0(18, W2, W3, W4, W5, W0, W1); 393 R1(d, a, b, c, h, e, f, g, 13, 1, XW); SCHED_W_1(18, W2, W3, W4, W5, W0, W1); 394 R1(c, d, a, b, g, h, e, f, 14, 2, XW); SCHED_W_2(18, W2, W3, W4, W5, W0, W1); 395 396 /* Transform 15-17 + Precalc 21-23 */ 397 R1(b, c, d, a, f, g, h, e, 15, 0, XW); SCHED_W_0(21, W3, W4, W5, W0, W1, W2); 398 R2(a, b, c, d, e, f, g, h, 16, 1, XW); SCHED_W_1(21, W3, W4, W5, W0, W1, W2); 399 R2(d, a, b, c, h, e, f, g, 17, 2, XW); SCHED_W_2(21, W3, W4, W5, W0, W1, W2); 400 401 /* Transform 18-20 + Precalc 24-26 */ 402 R2(c, d, a, b, g, h, e, f, 18, 0, XW); SCHED_W_0(24, W4, W5, W0, W1, W2, W3); 403 R2(b, c, d, a, f, g, h, e, 19, 1, XW); SCHED_W_1(24, W4, W5, W0, W1, W2, W3); 404 R2(a, b, c, d, e, f, g, h, 20, 2, XW); SCHED_W_2(24, W4, W5, W0, W1, W2, W3); 405 406 /* Transform 21-23 + Precalc 27-29 */ 407 R2(d, a, b, c, h, e, f, g, 21, 0, XW); SCHED_W_0(27, W5, W0, W1, W2, W3, W4); 408 R2(c, d, a, b, g, h, e, f, 22, 1, XW); SCHED_W_1(27, W5, W0, W1, W2, W3, W4); 409 R2(b, c, d, a, f, g, h, e, 23, 2, XW); SCHED_W_2(27, W5, W0, W1, W2, W3, W4); 410 411 /* Transform 24-26 + Precalc 30-32 */ 412 R2(a, b, c, d, e, f, g, h, 24, 0, XW); SCHED_W_0(30, W0, W1, W2, W3, W4, W5); 413 R2(d, a, b, c, h, e, f, g, 25, 1, XW); SCHED_W_1(30, W0, W1, W2, W3, W4, W5); 414 R2(c, d, a, b, g, h, e, f, 26, 2, XW); SCHED_W_2(30, W0, W1, W2, W3, W4, W5); 415 416 /* Transform 27-29 + Precalc 33-35 */ 417 R2(b, c, d, a, f, g, h, e, 27, 0, XW); SCHED_W_0(33, W1, W2, W3, W4, W5, W0); 418 R2(a, b, c, d, e, f, g, h, 28, 1, XW); SCHED_W_1(33, W1, W2, W3, W4, W5, W0); 419 R2(d, a, b, c, h, e, f, g, 29, 2, XW); SCHED_W_2(33, W1, W2, W3, W4, W5, W0); 420 421 /* Transform 30-32 + Precalc 36-38 */ 422 R2(c, d, a, b, g, h, e, f, 30, 0, XW); SCHED_W_0(36, W2, W3, W4, W5, W0, W1); 423 R2(b, c, d, a, f, g, h, e, 31, 1, XW); SCHED_W_1(36, W2, W3, W4, W5, W0, W1); 424 R2(a, b, c, d, e, f, g, h, 32, 2, XW); SCHED_W_2(36, W2, W3, W4, W5, W0, W1); 425 426 /* Transform 33-35 + Precalc 39-41 */ 427 R2(d, a, b, c, h, e, f, g, 33, 0, XW); SCHED_W_0(39, W3, W4, W5, W0, W1, W2); 428 R2(c, d, a, b, g, h, e, f, 34, 1, XW); SCHED_W_1(39, W3, W4, W5, W0, W1, W2); 429 R2(b, c, d, a, f, g, h, e, 35, 2, XW); SCHED_W_2(39, W3, W4, W5, W0, W1, W2); 430 431 /* Transform 36-38 + Precalc 42-44 */ 432 R2(a, b, c, d, e, f, g, h, 36, 0, XW); SCHED_W_0(42, W4, W5, W0, W1, W2, W3); 433 R2(d, a, b, c, h, e, f, g, 37, 1, XW); SCHED_W_1(42, W4, W5, W0, W1, W2, W3); 434 R2(c, d, a, b, g, h, e, f, 38, 2, XW); SCHED_W_2(42, W4, W5, W0, W1, W2, W3); 435 436 /* Transform 39-41 + Precalc 45-47 */ 437 R2(b, c, d, a, f, g, h, e, 39, 0, XW); SCHED_W_0(45, W5, W0, W1, W2, W3, W4); 438 R2(a, b, c, d, e, f, g, h, 40, 1, XW); SCHED_W_1(45, W5, W0, W1, W2, W3, W4); 439 R2(d, a, b, c, h, e, f, g, 41, 2, XW); SCHED_W_2(45, W5, W0, W1, W2, W3, W4); 440 441 /* Transform 42-44 + Precalc 48-50 */ 442 R2(c, d, a, b, g, h, e, f, 42, 0, XW); SCHED_W_0(48, W0, W1, W2, W3, W4, W5); 443 R2(b, c, d, a, f, g, h, e, 43, 1, XW); SCHED_W_1(48, W0, W1, W2, W3, W4, W5); 444 R2(a, b, c, d, e, f, g, h, 44, 2, XW); SCHED_W_2(48, W0, W1, W2, W3, W4, W5); 445 446 /* Transform 45-47 + Precalc 51-53 */ 447 R2(d, a, b, c, h, e, f, g, 45, 0, XW); SCHED_W_0(51, W1, W2, W3, W4, W5, W0); 448 R2(c, d, a, b, g, h, e, f, 46, 1, XW); SCHED_W_1(51, W1, W2, W3, W4, W5, W0); 449 R2(b, c, d, a, f, g, h, e, 47, 2, XW); SCHED_W_2(51, W1, W2, W3, W4, W5, W0); 450 451 /* Transform 48-50 + Precalc 54-56 */ 452 R2(a, b, c, d, e, f, g, h, 48, 0, XW); SCHED_W_0(54, W2, W3, W4, W5, W0, W1); 453 R2(d, a, b, c, h, e, f, g, 49, 1, XW); SCHED_W_1(54, W2, W3, W4, W5, W0, W1); 454 R2(c, d, a, b, g, h, e, f, 50, 2, XW); SCHED_W_2(54, W2, W3, W4, W5, W0, W1); 455 456 /* Transform 51-53 + Precalc 57-59 */ 457 R2(b, c, d, a, f, g, h, e, 51, 0, XW); SCHED_W_0(57, W3, W4, W5, W0, W1, W2); 458 R2(a, b, c, d, e, f, g, h, 52, 1, XW); SCHED_W_1(57, W3, W4, W5, W0, W1, W2); 459 R2(d, a, b, c, h, e, f, g, 53, 2, XW); SCHED_W_2(57, W3, W4, W5, W0, W1, W2); 460 461 /* Transform 54-56 + Precalc 60-62 */ 462 R2(c, d, a, b, g, h, e, f, 54, 0, XW); SCHED_W_0(60, W4, W5, W0, W1, W2, W3); 463 R2(b, c, d, a, f, g, h, e, 55, 1, XW); SCHED_W_1(60, W4, W5, W0, W1, W2, W3); 464 R2(a, b, c, d, e, f, g, h, 56, 2, XW); SCHED_W_2(60, W4, W5, W0, W1, W2, W3); 465 466 /* Transform 57-59 + Precalc 63 */ 467 R2(d, a, b, c, h, e, f, g, 57, 0, XW); SCHED_W_0(63, W5, W0, W1, W2, W3, W4); 468 R2(c, d, a, b, g, h, e, f, 58, 1, XW); 469 R2(b, c, d, a, f, g, h, e, 59, 2, XW); SCHED_W_1(63, W5, W0, W1, W2, W3, W4); 470 471 /* Transform 60-62 + Precalc 63 */ 472 R2(a, b, c, d, e, f, g, h, 60, 0, XW); 473 R2(d, a, b, c, h, e, f, g, 61, 1, XW); SCHED_W_2(63, W5, W0, W1, W2, W3, W4); 474 R2(c, d, a, b, g, h, e, f, 62, 2, XW); 475 476 /* Transform 63 */ 477 R2(b, c, d, a, f, g, h, e, 63, 0, XW); 478 479 /* Update the chaining variables. */ 480 xorl state_h0(RSTATE), a; 481 xorl state_h1(RSTATE), b; 482 xorl state_h2(RSTATE), c; 483 xorl state_h3(RSTATE), d; 484 movl a, state_h0(RSTATE); 485 movl b, state_h1(RSTATE); 486 movl c, state_h2(RSTATE); 487 movl d, state_h3(RSTATE); 488 xorl state_h4(RSTATE), e; 489 xorl state_h5(RSTATE), f; 490 xorl state_h6(RSTATE), g; 491 xorl state_h7(RSTATE), h; 492 movl e, state_h4(RSTATE); 493 movl f, state_h5(RSTATE); 494 movl g, state_h6(RSTATE); 495 movl h, state_h7(RSTATE); 496 497 cmpq $0, RNBLKS; 498 jne .Loop; 499 500 vzeroall; 501 502 movq (STACK_REG_SAVE + 0 * 8)(%rsp), %rbx; 503 movq (STACK_REG_SAVE + 1 * 8)(%rsp), %r15; 504 movq (STACK_REG_SAVE + 2 * 8)(%rsp), %r14; 505 movq (STACK_REG_SAVE + 3 * 8)(%rsp), %r13; 506 movq (STACK_REG_SAVE + 4 * 8)(%rsp), %r12; 507 508 vmovdqa %xmm0, IW_W1_ADDR(0, 0); 509 vmovdqa %xmm0, IW_W1W2_ADDR(0, 0); 510 vmovdqa %xmm0, IW_W1_ADDR(4, 0); 511 vmovdqa %xmm0, IW_W1W2_ADDR(4, 0); 512 vmovdqa %xmm0, IW_W1_ADDR(8, 0); 513 vmovdqa %xmm0, IW_W1W2_ADDR(8, 0); 514 515 movq %rbp, %rsp; 516 popq %rbp; 517 RET; 518SYM_FUNC_END(sm3_transform_avx) 519