crypto/sha/asm/sha1-mb-x86_64.pl

   1 #! /usr/bin/env perl
   2 # Copyright 2013-2016 The OpenSSL Project Authors. All Rights Reserved.
   3 #
   4 # Licensed under the OpenSSL license (the "License").  You may not use
   5 # this file except in compliance with the License.  You can obtain a copy
   6 # in the file LICENSE in the source distribution or at
   7 # https://www.openssl.org/source/license.html
   8
   9
  10 # ====================================================================
  11 # Written by Andy Polyakov <appro@openssl.org> for the OpenSSL
  12 # project. The module is, however, dual licensed under OpenSSL and
  13 # CRYPTOGAMS licenses depending on where you obtain it. For further
  14 # details see http://www.openssl.org/~appro/cryptogams/.
  15 # ====================================================================
  16
  17 # Multi-buffer SHA1 procedure processes n buffers in parallel by
  18 # placing buffer data to designated lane of SIMD register. n is
  19 # naturally limited to 4 on pre-AVX2 processors and to 8 on
  20 # AVX2-capable processors such as Haswell.
  21 #
  22 #               this    +aesni(i)       sha1    aesni-sha1      gain(iv)
  23 # -------------------------------------------------------------------
  24 # Westmere(ii)  10.7/n  +1.28=3.96(n=4) 5.30    6.66            +68%
  25 # Atom(ii)      18.1/n  +3.93=8.46(n=4) 9.37    12.8            +51%
  26 # Sandy Bridge  (8.16   +5.15=13.3)/n   4.99    5.98            +80%
  27 # Ivy Bridge    (8.08   +5.14=13.2)/n   4.60    5.54            +68%
  28 # Haswell(iii)  (8.96   +5.00=14.0)/n   3.57    4.55            +160%
  29 # Skylake       (8.70   +5.00=13.7)/n   3.64    4.20            +145%
  30 # Bulldozer     (9.76   +5.76=15.5)/n   5.95    6.37            +64%
  31 #
  32 # (i)   multi-block CBC encrypt with 128-bit key;
  33 # (ii)  (HASH+AES)/n does not apply to Westmere for n>3 and Atom,
  34 #       because of lower AES-NI instruction throughput;
  35 # (iii) "this" is for n=8, when we gather twice as much data, result
  36 #       for n=4 is 8.00+4.44=12.4;
  37 # (iv)  presented improvement coefficients are asymptotic limits and
  38 #       in real-life application are somewhat lower, e.g. for 2KB
  39 #       fragments they range from 30% to 100% (on Haswell);
  40
  41 $flavour = shift;
  42 $output  = shift;
  43 if ($flavour =~ /\./) { $output = $flavour; undef $flavour; }
  44
  45 $win64=0; $win64=1 if ($flavour =~ /[nm]asm|mingw64/ || $output =~ /\.asm$/);
  46
  47 $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
  48 ( $xlate="${dir}x86_64-xlate.pl" and -f $xlate ) or
  49 ( $xlate="${dir}../../perlasm/x86_64-xlate.pl" and -f $xlate) or
  50 die "can't locate x86_64-xlate.pl";
  51
  52 $avx=0;
  53
  54 if (`$ENV{CC} -Wa,-v -c -o /dev/null -x assembler /dev/null 2>&1`
  55                 =~ /GNU assembler version ([2-9]\.[0-9]+)/) {
  56         $avx = ($1>=2.19) + ($1>=2.22);
  57 }
  58
  59 if (!$avx && $win64 && ($flavour =~ /nasm/ || $ENV{ASM} =~ /nasm/) &&
  60            `nasm -v 2>&1` =~ /NASM version ([2-9]\.[0-9]+)/) {
  61         $avx = ($1>=2.09) + ($1>=2.10);
  62 }
  63
  64 if (!$avx && $win64 && ($flavour =~ /masm/ || $ENV{ASM} =~ /ml64/) &&
  65            `ml64 2>&1` =~ /Version ([0-9]+)\./) {
  66         $avx = ($1>=10) + ($1>=11);
  67 }
  68
  69 if (!$avx && `$ENV{CC} -v 2>&1` =~ /((?:^clang|LLVM) version|.*based on LLVM) ([3-9]\.[0-9]+)/) {
  70         $avx = ($2>=3.0) + ($2>3.0);
  71 }
  72
  73 open OUT,"| \"$^X\" \"$xlate\" $flavour \"$output\"";
  74 *STDOUT=*OUT;
  75
  76 # void sha1_multi_block (
  77 #     struct {  unsigned int A[8];
  78 #               unsigned int B[8];
  79 #               unsigned int C[8];
  80 #               unsigned int D[8];
  81 #               unsigned int E[8];      } *ctx,
  82 #     struct {  void *ptr; int blocks;  } inp[8],
  83 #     int num);         /* 1 or 2 */
  84 #
  85 $ctx="%rdi";    # 1st arg
  86 $inp="%rsi";    # 2nd arg
  87 $num="%edx";
  88 @ptr=map("%r$_",(8..11));
  89 $Tbl="%rbp";
  90
  91 @V=($A,$B,$C,$D,$E)=map("%xmm$_",(0..4));
  92 ($t0,$t1,$t2,$t3,$tx)=map("%xmm$_",(5..9));
  93 @Xi=map("%xmm$_",(10..14));
  94 $K="%xmm15";
  95
  96 if (1) {
  97     # Atom-specific optimization aiming to eliminate pshufb with high
  98     # registers [and thus get rid of 48 cycles accumulated penalty]
  99     @Xi=map("%xmm$_",(0..4));
 100     ($tx,$t0,$t1,$t2,$t3)=map("%xmm$_",(5..9));
 101     @V=($A,$B,$C,$D,$E)=map("%xmm$_",(10..14));
 102 }
 103
 104 $REG_SZ=16;
 105
 106 sub Xi_off {
 107 my $off = shift;
 108
 109     $off %= 16; $off *= $REG_SZ;
 110     $off<256 ? "$off-128(%rax)" : "$off-256-128(%rbx)";
 111 }
 112
 113 sub BODY_00_19 {
 114 my ($i,$a,$b,$c,$d,$e)=@_;
 115 my $j=$i+1;
 116 my $k=$i+2;
 117
 118 # Loads are performed 2+3/4 iterations in advance. 3/4 means that out
 119 # of 4 words you would expect to be loaded per given iteration one is
 120 # spilled to next iteration. In other words indices in four input
 121 # streams are distributed as following:
 122 #
 123 # $i==0:        0,0,0,0,1,1,1,1,2,2,2,
 124 # $i==1:        2,3,3,3,
 125 # $i==2:        3,4,4,4,
 126 # ...
 127 # $i==13:       14,15,15,15,
 128 # $i==14:       15
 129 #
 130 # Then at $i==15 Xupdate is applied one iteration in advance...
 131 $code.=<<___ if ($i==0);
 132         movd            (@ptr[0]),@Xi[0]
 133          lea            `16*4`(@ptr[0]),@ptr[0]
 134         movd            (@ptr[1]),@Xi[2]        # borrow @Xi[2]
 135          lea            `16*4`(@ptr[1]),@ptr[1]
 136         movd            (@ptr[2]),@Xi[3]        # borrow @Xi[3]
 137          lea            `16*4`(@ptr[2]),@ptr[2]
 138         movd            (@ptr[3]),@Xi[4]        # borrow @Xi[4]
 139          lea            `16*4`(@ptr[3]),@ptr[3]
 140         punpckldq       @Xi[3],@Xi[0]
 141          movd           `4*$j-16*4`(@ptr[0]),@Xi[1]
 142         punpckldq       @Xi[4],@Xi[2]
 143          movd           `4*$j-16*4`(@ptr[1]),$t3
 144         punpckldq       @Xi[2],@Xi[0]
 145          movd           `4*$j-16*4`(@ptr[2]),$t2
 146         pshufb          $tx,@Xi[0]
 147 ___
 148 $code.=<<___ if ($i<14);                        # just load input
 149          movd           `4*$j-16*4`(@ptr[3]),$t1
 150          punpckldq      $t2,@Xi[1]
 151         movdqa  $a,$t2
 152         paddd   $K,$e                           # e+=K_00_19
 153          punpckldq      $t1,$t3
 154         movdqa  $b,$t1
 155         movdqa  $b,$t0
 156         pslld   \$5,$t2
 157         pandn   $d,$t1
 158         pand    $c,$t0
 159          punpckldq      $t3,@Xi[1]
 160         movdqa  $a,$t3
 161
 162         movdqa  @Xi[0],`&Xi_off($i)`
 163         paddd   @Xi[0],$e                       # e+=X[i]
 164          movd           `4*$k-16*4`(@ptr[0]),@Xi[2]
 165         psrld   \$27,$t3
 166         pxor    $t1,$t0                         # Ch(b,c,d)
 167         movdqa  $b,$t1
 168
 169         por     $t3,$t2                         # rol(a,5)
 170          movd           `4*$k-16*4`(@ptr[1]),$t3
 171         pslld   \$30,$t1
 172         paddd   $t0,$e                          # e+=Ch(b,c,d)
 173
 174         psrld   \$2,$b
 175         paddd   $t2,$e                          # e+=rol(a,5)
 176          pshufb $tx,@Xi[1]
 177          movd           `4*$k-16*4`(@ptr[2]),$t2
 178         por     $t1,$b                          # b=rol(b,30)
 179 ___
 180 $code.=<<___ if ($i==14);                       # just load input
 181          movd           `4*$j-16*4`(@ptr[3]),$t1
 182          punpckldq      $t2,@Xi[1]
 183         movdqa  $a,$t2
 184         paddd   $K,$e                           # e+=K_00_19
 185          punpckldq      $t1,$t3
 186         movdqa  $b,$t1
 187         movdqa  $b,$t0
 188         pslld   \$5,$t2
 189          prefetcht0     63(@ptr[0])
 190         pandn   $d,$t1
 191         pand    $c,$t0
 192          punpckldq      $t3,@Xi[1]
 193         movdqa  $a,$t3
 194
 195         movdqa  @Xi[0],`&Xi_off($i)`
 196         paddd   @Xi[0],$e                       # e+=X[i]
 197         psrld   \$27,$t3
 198         pxor    $t1,$t0                         # Ch(b,c,d)
 199         movdqa  $b,$t1
 200          prefetcht0     63(@ptr[1])
 201
 202         por     $t3,$t2                         # rol(a,5)
 203         pslld   \$30,$t1
 204         paddd   $t0,$e                          # e+=Ch(b,c,d)
 205          prefetcht0     63(@ptr[2])
 206
 207         psrld   \$2,$b
 208         paddd   $t2,$e                          # e+=rol(a,5)
 209          pshufb $tx,@Xi[1]
 210          prefetcht0     63(@ptr[3])
 211         por     $t1,$b                          # b=rol(b,30)
 212 ___
 213 $code.=<<___ if ($i>=13 && $i<15);
 214         movdqa  `&Xi_off($j+2)`,@Xi[3]          # preload "X[2]"
 215 ___
 216 $code.=<<___ if ($i>=15);                       # apply Xupdate
 217         pxor    @Xi[-2],@Xi[1]                  # "X[13]"
 218         movdqa  `&Xi_off($j+2)`,@Xi[3]          # "X[2]"
 219
 220         movdqa  $a,$t2
 221          pxor   `&Xi_off($j+8)`,@Xi[1]
 222         paddd   $K,$e                           # e+=K_00_19
 223         movdqa  $b,$t1
 224         pslld   \$5,$t2
 225          pxor   @Xi[3],@Xi[1]
 226         movdqa  $b,$t0
 227         pandn   $d,$t1
 228          movdqa @Xi[1],$tx
 229         pand    $c,$t0
 230         movdqa  $a,$t3
 231          psrld  \$31,$tx
 232          paddd  @Xi[1],@Xi[1]
 233
 234         movdqa  @Xi[0],`&Xi_off($i)`
 235         paddd   @Xi[0],$e                       # e+=X[i]
 236         psrld   \$27,$t3
 237         pxor    $t1,$t0                         # Ch(b,c,d)
 238
 239         movdqa  $b,$t1
 240         por     $t3,$t2                         # rol(a,5)
 241         pslld   \$30,$t1
 242         paddd   $t0,$e                          # e+=Ch(b,c,d)
 243
 244         psrld   \$2,$b
 245         paddd   $t2,$e                          # e+=rol(a,5)
 246          por    $tx,@Xi[1]                      # rol   \$1,@Xi[1]
 247         por     $t1,$b                          # b=rol(b,30)
 248 ___
 249 push(@Xi,shift(@Xi));
 250 }
 251
 252 sub BODY_20_39 {
 253 my ($i,$a,$b,$c,$d,$e)=@_;
 254 my $j=$i+1;
 255
 256 $code.=<<___ if ($i<79);
 257         pxor    @Xi[-2],@Xi[1]                  # "X[13]"
 258         movdqa  `&Xi_off($j+2)`,@Xi[3]          # "X[2]"
 259
 260         movdqa  $a,$t2
 261         movdqa  $d,$t0
 262          pxor   `&Xi_off($j+8)`,@Xi[1]
 263         paddd   $K,$e                           # e+=K_20_39
 264         pslld   \$5,$t2
 265         pxor    $b,$t0
 266
 267         movdqa  $a,$t3
 268 ___
 269 $code.=<<___ if ($i<72);
 270         movdqa  @Xi[0],`&Xi_off($i)`
 271 ___
 272 $code.=<<___ if ($i<79);
 273         paddd   @Xi[0],$e                       # e+=X[i]
 274          pxor   @Xi[3],@Xi[1]
 275         psrld   \$27,$t3
 276         pxor    $c,$t0                          # Parity(b,c,d)
 277         movdqa  $b,$t1
 278
 279         pslld   \$30,$t1
 280          movdqa @Xi[1],$tx
 281         por     $t3,$t2                         # rol(a,5)
 282          psrld  \$31,$tx
 283         paddd   $t0,$e                          # e+=Parity(b,c,d)
 284          paddd  @Xi[1],@Xi[1]
 285
 286         psrld   \$2,$b
 287         paddd   $t2,$e                          # e+=rol(a,5)
 288          por    $tx,@Xi[1]                      # rol(@Xi[1],1)
 289         por     $t1,$b                          # b=rol(b,30)
 290 ___
 291 $code.=<<___ if ($i==79);
 292         movdqa  $a,$t2
 293         paddd   $K,$e                           # e+=K_20_39
 294         movdqa  $d,$t0
 295         pslld   \$5,$t2
 296         pxor    $b,$t0
 297
 298         movdqa  $a,$t3
 299         paddd   @Xi[0],$e                       # e+=X[i]
 300         psrld   \$27,$t3
 301         movdqa  $b,$t1
 302         pxor    $c,$t0                          # Parity(b,c,d)
 303
 304         pslld   \$30,$t1
 305         por     $t3,$t2                         # rol(a,5)
 306         paddd   $t0,$e                          # e+=Parity(b,c,d)
 307
 308         psrld   \$2,$b
 309         paddd   $t2,$e                          # e+=rol(a,5)
 310         por     $t1,$b                          # b=rol(b,30)
 311 ___
 312 push(@Xi,shift(@Xi));
 313 }
 314
 315 sub BODY_40_59 {
 316 my ($i,$a,$b,$c,$d,$e)=@_;
 317 my $j=$i+1;
 318
 319 $code.=<<___;
 320         pxor    @Xi[-2],@Xi[1]                  # "X[13]"
 321         movdqa  `&Xi_off($j+2)`,@Xi[3]          # "X[2]"
 322
 323         movdqa  $a,$t2
 324         movdqa  $d,$t1
 325          pxor   `&Xi_off($j+8)`,@Xi[1]
 326         pxor    @Xi[3],@Xi[1]
 327         paddd   $K,$e                           # e+=K_40_59
 328         pslld   \$5,$t2
 329         movdqa  $a,$t3
 330         pand    $c,$t1
 331
 332         movdqa  $d,$t0
 333          movdqa @Xi[1],$tx
 334         psrld   \$27,$t3
 335         paddd   $t1,$e
 336         pxor    $c,$t0
 337
 338         movdqa  @Xi[0],`&Xi_off($i)`
 339         paddd   @Xi[0],$e                       # e+=X[i]
 340         por     $t3,$t2                         # rol(a,5)
 341          psrld  \$31,$tx
 342         pand    $b,$t0
 343         movdqa  $b,$t1
 344
 345         pslld   \$30,$t1
 346          paddd  @Xi[1],@Xi[1]
 347         paddd   $t0,$e                          # e+=Maj(b,d,c)
 348
 349         psrld   \$2,$b
 350         paddd   $t2,$e                          # e+=rol(a,5)
 351          por    $tx,@Xi[1]                      # rol(@X[1],1)
 352         por     $t1,$b                          # b=rol(b,30)
 353 ___
 354 push(@Xi,shift(@Xi));
 355 }
 356
 357 $code.=<<___;
 358 .text
 359
 360 .extern OPENSSL_ia32cap_P
 361
 362 .globl  sha1_multi_block
 363 .type   sha1_multi_block,\@function,3
 364 .align  32
 365 sha1_multi_block:
 366 .cfi_startproc
 367         mov     OPENSSL_ia32cap_P+4(%rip),%rcx
 368         bt      \$61,%rcx                       # check SHA bit
 369         jc      _shaext_shortcut
 370 ___
 371 $code.=<<___ if ($avx);
 372         test    \$`1<<28`,%ecx
 373         jnz     _avx_shortcut
 374 ___
 375 $code.=<<___;
 376         mov     %rsp,%rax
 377 .cfi_def_cfa_register   %rax
 378         push    %rbx
 379 .cfi_push       %rbx
 380         push    %rbp
 381 .cfi_push       %rbx
 382 ___
 383 $code.=<<___ if ($win64);
 384         lea     -0xa8(%rsp),%rsp
 385         movaps  %xmm6,(%rsp)
 386         movaps  %xmm7,0x10(%rsp)
 387         movaps  %xmm8,0x20(%rsp)
 388         movaps  %xmm9,0x30(%rsp)
 389         movaps  %xmm10,-0x78(%rax)
 390         movaps  %xmm11,-0x68(%rax)
 391         movaps  %xmm12,-0x58(%rax)
 392         movaps  %xmm13,-0x48(%rax)
 393         movaps  %xmm14,-0x38(%rax)
 394         movaps  %xmm15,-0x28(%rax)
 395 ___
 396 $code.=<<___;
 397         sub     \$`$REG_SZ*18`,%rsp
 398         and     \$-256,%rsp
 399         mov     %rax,`$REG_SZ*17`(%rsp)         # original %rsp
 400 .cfi_cfa_expression     %rsp+`$REG_SZ*17`,deref,+8
 401 .Lbody:
 402         lea     K_XX_XX(%rip),$Tbl
 403         lea     `$REG_SZ*16`(%rsp),%rbx
 404
 405 .Loop_grande:
 406         mov     $num,`$REG_SZ*17+8`(%rsp)       # original $num
 407         xor     $num,$num
 408 ___
 409 for($i=0;$i<4;$i++) {
 410     $code.=<<___;
 411         mov     `16*$i+0`($inp),@ptr[$i]        # input pointer
 412         mov     `16*$i+8`($inp),%ecx            # number of blocks
 413         cmp     $num,%ecx
 414         cmovg   %ecx,$num                       # find maximum
 415         test    %ecx,%ecx
 416         mov     %ecx,`4*$i`(%rbx)               # initialize counters
 417         cmovle  $Tbl,@ptr[$i]                   # cancel input
 418 ___
 419 }
 420 $code.=<<___;
 421         test    $num,$num
 422         jz      .Ldone
 423
 424         movdqu  0x00($ctx),$A                   # load context
 425          lea    128(%rsp),%rax
 426         movdqu  0x20($ctx),$B
 427         movdqu  0x40($ctx),$C
 428         movdqu  0x60($ctx),$D
 429         movdqu  0x80($ctx),$E
 430         movdqa  0x60($Tbl),$tx                  # pbswap_mask
 431         movdqa  -0x20($Tbl),$K                  # K_00_19
 432         jmp     .Loop
 433
 434 .align  32
 435 .Loop:
 436 ___
 437 for($i=0;$i<20;$i++)    { &BODY_00_19($i,@V); unshift(@V,pop(@V)); }
 438 $code.="        movdqa  0x00($Tbl),$K\n";       # K_20_39
 439 for(;$i<40;$i++)        { &BODY_20_39($i,@V); unshift(@V,pop(@V)); }
 440 $code.="        movdqa  0x20($Tbl),$K\n";       # K_40_59
 441 for(;$i<60;$i++)        { &BODY_40_59($i,@V); unshift(@V,pop(@V)); }
 442 $code.="        movdqa  0x40($Tbl),$K\n";       # K_60_79
 443 for(;$i<80;$i++)        { &BODY_20_39($i,@V); unshift(@V,pop(@V)); }
 444 $code.=<<___;
 445         movdqa  (%rbx),@Xi[0]                   # pull counters
 446         mov     \$1,%ecx
 447         cmp     4*0(%rbx),%ecx                  # examine counters
 448         pxor    $t2,$t2
 449         cmovge  $Tbl,@ptr[0]                    # cancel input
 450         cmp     4*1(%rbx),%ecx
 451         movdqa  @Xi[0],@Xi[1]
 452         cmovge  $Tbl,@ptr[1]
 453         cmp     4*2(%rbx),%ecx
 454         pcmpgtd $t2,@Xi[1]                      # mask value
 455         cmovge  $Tbl,@ptr[2]
 456         cmp     4*3(%rbx),%ecx
 457         paddd   @Xi[1],@Xi[0]                   # counters--
 458         cmovge  $Tbl,@ptr[3]
 459
 460         movdqu  0x00($ctx),$t0
 461         pand    @Xi[1],$A
 462         movdqu  0x20($ctx),$t1
 463         pand    @Xi[1],$B
 464         paddd   $t0,$A
 465         movdqu  0x40($ctx),$t2
 466         pand    @Xi[1],$C
 467         paddd   $t1,$B
 468         movdqu  0x60($ctx),$t3
 469         pand    @Xi[1],$D
 470         paddd   $t2,$C
 471         movdqu  0x80($ctx),$tx
 472         pand    @Xi[1],$E
 473         movdqu  $A,0x00($ctx)
 474         paddd   $t3,$D
 475         movdqu  $B,0x20($ctx)
 476         paddd   $tx,$E
 477         movdqu  $C,0x40($ctx)
 478         movdqu  $D,0x60($ctx)
 479         movdqu  $E,0x80($ctx)
 480
 481         movdqa  @Xi[0],(%rbx)                   # save counters
 482         movdqa  0x60($Tbl),$tx                  # pbswap_mask
 483         movdqa  -0x20($Tbl),$K                  # K_00_19
 484         dec     $num
 485         jnz     .Loop
 486
 487         mov     `$REG_SZ*17+8`(%rsp),$num
 488         lea     $REG_SZ($ctx),$ctx
 489         lea     `16*$REG_SZ/4`($inp),$inp
 490         dec     $num
 491         jnz     .Loop_grande
 492
 493 .Ldone:
 494         mov     `$REG_SZ*17`(%rsp),%rax         # original %rsp
 495 .cfi_def_cfa    %rax,8
 496 ___
 497 $code.=<<___ if ($win64);
 498         movaps  -0xb8(%rax),%xmm6
 499         movaps  -0xa8(%rax),%xmm7
 500         movaps  -0x98(%rax),%xmm8
 501         movaps  -0x88(%rax),%xmm9
 502         movaps  -0x78(%rax),%xmm10
 503         movaps  -0x68(%rax),%xmm11
 504         movaps  -0x58(%rax),%xmm12
 505         movaps  -0x48(%rax),%xmm13
 506         movaps  -0x38(%rax),%xmm14
 507         movaps  -0x28(%rax),%xmm15
 508 ___
 509 $code.=<<___;
 510         mov     -16(%rax),%rbp
 511 .cfi_restore    %rbp
 512         mov     -8(%rax),%rbx
 513 .cfi_restore    %rbx
 514         lea     (%rax),%rsp
 515 .cfi_def_cfa_register   %rsp
 516 .Lepilogue:
 517         ret
 518 .cfi_endproc
 519 .size   sha1_multi_block,.-sha1_multi_block
 520 ___
 521                                                 {{{
 522 my ($ABCD0,$E0,$E0_,$BSWAP,$ABCD1,$E1,$E1_)=map("%xmm$_",(0..3,8..10));
 523 my @MSG0=map("%xmm$_",(4..7));
 524 my @MSG1=map("%xmm$_",(11..14));
 525
 526 $code.=<<___;
 527 .type   sha1_multi_block_shaext,\@function,3
 528 .align  32
 529 sha1_multi_block_shaext:
 530 .cfi_startproc
 531 _shaext_shortcut:
 532         mov     %rsp,%rax
 533 .cfi_def_cfa_register   %rax
 534         push    %rbx
 535 .cfi_push       %rbx
 536         push    %rbp
 537 .cfi_push       %rbp
 538 ___
 539 $code.=<<___ if ($win64);
 540         lea     -0xa8(%rsp),%rsp
 541         movaps  %xmm6,(%rsp)
 542         movaps  %xmm7,0x10(%rsp)
 543         movaps  %xmm8,0x20(%rsp)
 544         movaps  %xmm9,0x30(%rsp)
 545         movaps  %xmm10,-0x78(%rax)
 546         movaps  %xmm11,-0x68(%rax)
 547         movaps  %xmm12,-0x58(%rax)
 548         movaps  %xmm13,-0x48(%rax)
 549         movaps  %xmm14,-0x38(%rax)
 550         movaps  %xmm15,-0x28(%rax)
 551 ___
 552 $code.=<<___;
 553         sub     \$`$REG_SZ*18`,%rsp
 554         shl     \$1,$num                        # we process pair at a time
 555         and     \$-256,%rsp
 556         lea     0x40($ctx),$ctx                 # size optimization
 557         mov     %rax,`$REG_SZ*17`(%rsp)         # original %rsp
 558 .Lbody_shaext:
 559         lea     `$REG_SZ*16`(%rsp),%rbx
 560         movdqa  K_XX_XX+0x80(%rip),$BSWAP       # byte-n-word swap
 561
 562 .Loop_grande_shaext:
 563         mov     $num,`$REG_SZ*17+8`(%rsp)       # original $num
 564         xor     $num,$num
 565 ___
 566 for($i=0;$i<2;$i++) {
 567     $code.=<<___;
 568         mov     `16*$i+0`($inp),@ptr[$i]        # input pointer
 569         mov     `16*$i+8`($inp),%ecx            # number of blocks
 570         cmp     $num,%ecx
 571         cmovg   %ecx,$num                       # find maximum
 572         test    %ecx,%ecx
 573         mov     %ecx,`4*$i`(%rbx)               # initialize counters
 574         cmovle  %rsp,@ptr[$i]                   # cancel input
 575 ___
 576 }
 577 $code.=<<___;
 578         test    $num,$num
 579         jz      .Ldone_shaext
 580
 581         movq            0x00-0x40($ctx),$ABCD0  # a1.a0
 582         movq            0x20-0x40($ctx),@MSG0[0]# b1.b0
 583         movq            0x40-0x40($ctx),@MSG0[1]# c1.c0
 584         movq            0x60-0x40($ctx),@MSG0[2]# d1.d0
 585         movq            0x80-0x40($ctx),@MSG0[3]# e1.e0
 586
 587         punpckldq       @MSG0[0],$ABCD0         # b1.a1.b0.a0
 588         punpckldq       @MSG0[2],@MSG0[1]       # d1.c1.d0.c0
 589
 590         movdqa          $ABCD0,$ABCD1
 591         punpcklqdq      @MSG0[1],$ABCD0         # d0.c0.b0.a0
 592         punpckhqdq      @MSG0[1],$ABCD1         # d1.c1.b1.a1
 593
 594         pshufd          \$0b00111111,@MSG0[3],$E0
 595         pshufd          \$0b01111111,@MSG0[3],$E1
 596         pshufd          \$0b00011011,$ABCD0,$ABCD0
 597         pshufd          \$0b00011011,$ABCD1,$ABCD1
 598         jmp             .Loop_shaext
 599
 600 .align  32
 601 .Loop_shaext:
 602         movdqu          0x00(@ptr[0]),@MSG0[0]
 603          movdqu         0x00(@ptr[1]),@MSG1[0]
 604         movdqu          0x10(@ptr[0]),@MSG0[1]
 605          movdqu         0x10(@ptr[1]),@MSG1[1]
 606         movdqu          0x20(@ptr[0]),@MSG0[2]
 607         pshufb          $BSWAP,@MSG0[0]
 608          movdqu         0x20(@ptr[1]),@MSG1[2]
 609          pshufb         $BSWAP,@MSG1[0]
 610         movdqu          0x30(@ptr[0]),@MSG0[3]
 611         lea             0x40(@ptr[0]),@ptr[0]
 612         pshufb          $BSWAP,@MSG0[1]
 613          movdqu         0x30(@ptr[1]),@MSG1[3]
 614          lea            0x40(@ptr[1]),@ptr[1]
 615          pshufb         $BSWAP,@MSG1[1]
 616
 617         movdqa          $E0,0x50(%rsp)          # offload
 618         paddd           @MSG0[0],$E0
 619          movdqa         $E1,0x70(%rsp)
 620          paddd          @MSG1[0],$E1
 621         movdqa          $ABCD0,0x40(%rsp)       # offload
 622         movdqa          $ABCD0,$E0_
 623          movdqa         $ABCD1,0x60(%rsp)
 624          movdqa         $ABCD1,$E1_
 625         sha1rnds4       \$0,$E0,$ABCD0          # 0-3
 626         sha1nexte       @MSG0[1],$E0_
 627          sha1rnds4      \$0,$E1,$ABCD1          # 0-3
 628          sha1nexte      @MSG1[1],$E1_
 629         pshufb          $BSWAP,@MSG0[2]
 630         prefetcht0      127(@ptr[0])
 631         sha1msg1        @MSG0[1],@MSG0[0]
 632          pshufb         $BSWAP,@MSG1[2]
 633          prefetcht0     127(@ptr[1])
 634          sha1msg1       @MSG1[1],@MSG1[0]
 635
 636         pshufb          $BSWAP,@MSG0[3]
 637         movdqa          $ABCD0,$E0
 638          pshufb         $BSWAP,@MSG1[3]
 639          movdqa         $ABCD1,$E1
 640         sha1rnds4       \$0,$E0_,$ABCD0         # 4-7
 641         sha1nexte       @MSG0[2],$E0
 642          sha1rnds4      \$0,$E1_,$ABCD1         # 4-7
 643          sha1nexte      @MSG1[2],$E1
 644         pxor            @MSG0[2],@MSG0[0]
 645         sha1msg1        @MSG0[2],@MSG0[1]
 646          pxor           @MSG1[2],@MSG1[0]
 647          sha1msg1       @MSG1[2],@MSG1[1]
 648 ___
 649 for($i=2;$i<20-4;$i++) {
 650 $code.=<<___;
 651         movdqa          $ABCD0,$E0_
 652          movdqa         $ABCD1,$E1_
 653         sha1rnds4       \$`int($i/5)`,$E0,$ABCD0        # 8-11
 654         sha1nexte       @MSG0[3],$E0_
 655          sha1rnds4      \$`int($i/5)`,$E1,$ABCD1        # 8-11
 656          sha1nexte      @MSG1[3],$E1_
 657         sha1msg2        @MSG0[3],@MSG0[0]
 658          sha1msg2       @MSG1[3],@MSG1[0]
 659         pxor            @MSG0[3],@MSG0[1]
 660         sha1msg1        @MSG0[3],@MSG0[2]
 661          pxor           @MSG1[3],@MSG1[1]
 662          sha1msg1       @MSG1[3],@MSG1[2]
 663 ___
 664         ($E0,$E0_)=($E0_,$E0);          ($E1,$E1_)=($E1_,$E1);
 665         push(@MSG0,shift(@MSG0));       push(@MSG1,shift(@MSG1));
 666 }
 667 $code.=<<___;
 668         movdqa          $ABCD0,$E0_
 669          movdqa         $ABCD1,$E1_
 670         sha1rnds4       \$3,$E0,$ABCD0          # 64-67
 671         sha1nexte       @MSG0[3],$E0_
 672          sha1rnds4      \$3,$E1,$ABCD1          # 64-67
 673          sha1nexte      @MSG1[3],$E1_
 674         sha1msg2        @MSG0[3],@MSG0[0]
 675          sha1msg2       @MSG1[3],@MSG1[0]
 676         pxor            @MSG0[3],@MSG0[1]
 677          pxor           @MSG1[3],@MSG1[1]
 678
 679         mov             \$1,%ecx
 680         pxor            @MSG0[2],@MSG0[2]       # zero
 681         cmp             4*0(%rbx),%ecx          # examine counters
 682         cmovge          %rsp,@ptr[0]            # cancel input
 683
 684         movdqa          $ABCD0,$E0
 685          movdqa         $ABCD1,$E1
 686         sha1rnds4       \$3,$E0_,$ABCD0         # 68-71
 687         sha1nexte       @MSG0[0],$E0
 688          sha1rnds4      \$3,$E1_,$ABCD1         # 68-71
 689          sha1nexte      @MSG1[0],$E1
 690         sha1msg2        @MSG0[0],@MSG0[1]
 691          sha1msg2       @MSG1[0],@MSG1[1]
 692
 693         cmp             4*1(%rbx),%ecx
 694         cmovge          %rsp,@ptr[1]
 695         movq            (%rbx),@MSG0[0]         # pull counters
 696
 697         movdqa          $ABCD0,$E0_
 698          movdqa         $ABCD1,$E1_
 699         sha1rnds4       \$3,$E0,$ABCD0          # 72-75
 700         sha1nexte       @MSG0[1],$E0_
 701          sha1rnds4      \$3,$E1,$ABCD1          # 72-75
 702          sha1nexte      @MSG1[1],$E1_
 703
 704         pshufd          \$0x00,@MSG0[0],@MSG1[2]
 705         pshufd          \$0x55,@MSG0[0],@MSG1[3]
 706         movdqa          @MSG0[0],@MSG0[1]
 707         pcmpgtd         @MSG0[2],@MSG1[2]
 708         pcmpgtd         @MSG0[2],@MSG1[3]
 709
 710         movdqa          $ABCD0,$E0
 711          movdqa         $ABCD1,$E1
 712         sha1rnds4       \$3,$E0_,$ABCD0         # 76-79
 713         sha1nexte       $MSG0[2],$E0
 714          sha1rnds4      \$3,$E1_,$ABCD1         # 76-79
 715          sha1nexte      $MSG0[2],$E1
 716
 717         pcmpgtd         @MSG0[2],@MSG0[1]       # counter mask
 718         pand            @MSG1[2],$ABCD0
 719         pand            @MSG1[2],$E0
 720          pand           @MSG1[3],$ABCD1
 721          pand           @MSG1[3],$E1
 722         paddd           @MSG0[1],@MSG0[0]       # counters--
 723
 724         paddd           0x40(%rsp),$ABCD0
 725         paddd           0x50(%rsp),$E0
 726          paddd          0x60(%rsp),$ABCD1
 727          paddd          0x70(%rsp),$E1
 728
 729         movq            @MSG0[0],(%rbx)         # save counters
 730         dec             $num
 731         jnz             .Loop_shaext
 732
 733         mov             `$REG_SZ*17+8`(%rsp),$num
 734
 735         pshufd          \$0b00011011,$ABCD0,$ABCD0
 736         pshufd          \$0b00011011,$ABCD1,$ABCD1
 737
 738         movdqa          $ABCD0,@MSG0[0]
 739         punpckldq       $ABCD1,$ABCD0           # b1.b0.a1.a0
 740         punpckhdq       $ABCD1,@MSG0[0]         # d1.d0.c1.c0
 741         punpckhdq       $E1,$E0                 # e1.e0.xx.xx
 742         movq            $ABCD0,0x00-0x40($ctx)  # a1.a0
 743         psrldq          \$8,$ABCD0
 744         movq            @MSG0[0],0x40-0x40($ctx)# c1.c0
 745         psrldq          \$8,@MSG0[0]
 746         movq            $ABCD0,0x20-0x40($ctx)  # b1.b0
 747         psrldq          \$8,$E0
 748         movq            @MSG0[0],0x60-0x40($ctx)# d1.d0
 749         movq            $E0,0x80-0x40($ctx)     # e1.e0
 750
 751         lea     `$REG_SZ/2`($ctx),$ctx
 752         lea     `16*2`($inp),$inp
 753         dec     $num
 754         jnz     .Loop_grande_shaext
 755
 756 .Ldone_shaext:
 757         #mov    `$REG_SZ*17`(%rsp),%rax         # original %rsp
 758 ___
 759 $code.=<<___ if ($win64);
 760         movaps  -0xb8(%rax),%xmm6
 761         movaps  -0xa8(%rax),%xmm7
 762         movaps  -0x98(%rax),%xmm8
 763         movaps  -0x88(%rax),%xmm9
 764         movaps  -0x78(%rax),%xmm10
 765         movaps  -0x68(%rax),%xmm11
 766         movaps  -0x58(%rax),%xmm12
 767         movaps  -0x48(%rax),%xmm13
 768         movaps  -0x38(%rax),%xmm14
 769         movaps  -0x28(%rax),%xmm15
 770 ___
 771 $code.=<<___;
 772         mov     -16(%rax),%rbp
 773 .cfi_restore    %rbp
 774         mov     -8(%rax),%rbx
 775 .cfi_restore    %rbx
 776         lea     (%rax),%rsp
 777 .cfi_def_cfa_register   %rsp
 778 .Lepilogue_shaext:
 779         ret
 780 .cfi_endproc
 781 .size   sha1_multi_block_shaext,.-sha1_multi_block_shaext
 782 ___
 783                                                 }}}
 784
 785                                                 if ($avx) {{{
 786 sub BODY_00_19_avx {
 787 my ($i,$a,$b,$c,$d,$e)=@_;
 788 my $j=$i+1;
 789 my $k=$i+2;
 790 my $vpack = $REG_SZ==16 ? "vpunpckldq" : "vinserti128";
 791 my $ptr_n = $REG_SZ==16 ? @ptr[1] : @ptr[4];
 792
 793 $code.=<<___ if ($i==0 && $REG_SZ==16);
 794         vmovd           (@ptr[0]),@Xi[0]
 795          lea            `16*4`(@ptr[0]),@ptr[0]
 796         vmovd           (@ptr[1]),@Xi[2]        # borrow Xi[2]
 797          lea            `16*4`(@ptr[1]),@ptr[1]
 798         vpinsrd         \$1,(@ptr[2]),@Xi[0],@Xi[0]
 799          lea            `16*4`(@ptr[2]),@ptr[2]
 800         vpinsrd         \$1,(@ptr[3]),@Xi[2],@Xi[2]
 801          lea            `16*4`(@ptr[3]),@ptr[3]
 802          vmovd          `4*$j-16*4`(@ptr[0]),@Xi[1]
 803         vpunpckldq      @Xi[2],@Xi[0],@Xi[0]
 804          vmovd          `4*$j-16*4`($ptr_n),$t3
 805         vpshufb         $tx,@Xi[0],@Xi[0]
 806 ___
 807 $code.=<<___ if ($i<15 && $REG_SZ==16);         # just load input
 808          vpinsrd        \$1,`4*$j-16*4`(@ptr[2]),@Xi[1],@Xi[1]
 809          vpinsrd        \$1,`4*$j-16*4`(@ptr[3]),$t3,$t3
 810 ___
 811 $code.=<<___ if ($i==0 && $REG_SZ==32);
 812         vmovd           (@ptr[0]),@Xi[0]
 813          lea            `16*4`(@ptr[0]),@ptr[0]
 814         vmovd           (@ptr[4]),@Xi[2]        # borrow Xi[2]
 815          lea            `16*4`(@ptr[4]),@ptr[4]
 816         vmovd           (@ptr[1]),$t2
 817          lea            `16*4`(@ptr[1]),@ptr[1]
 818         vmovd           (@ptr[5]),$t1
 819          lea            `16*4`(@ptr[5]),@ptr[5]
 820         vpinsrd         \$1,(@ptr[2]),@Xi[0],@Xi[0]
 821          lea            `16*4`(@ptr[2]),@ptr[2]
 822         vpinsrd         \$1,(@ptr[6]),@Xi[2],@Xi[2]
 823          lea            `16*4`(@ptr[6]),@ptr[6]
 824         vpinsrd         \$1,(@ptr[3]),$t2,$t2
 825          lea            `16*4`(@ptr[3]),@ptr[3]
 826         vpunpckldq      $t2,@Xi[0],@Xi[0]
 827         vpinsrd         \$1,(@ptr[7]),$t1,$t1
 828          lea            `16*4`(@ptr[7]),@ptr[7]
 829         vpunpckldq      $t1,@Xi[2],@Xi[2]
 830          vmovd          `4*$j-16*4`(@ptr[0]),@Xi[1]
 831         vinserti128     @Xi[2],@Xi[0],@Xi[0]
 832          vmovd          `4*$j-16*4`($ptr_n),$t3
 833         vpshufb         $tx,@Xi[0],@Xi[0]
 834 ___
 835 $code.=<<___ if ($i<15 && $REG_SZ==32);         # just load input
 836          vmovd          `4*$j-16*4`(@ptr[1]),$t2
 837          vmovd          `4*$j-16*4`(@ptr[5]),$t1
 838          vpinsrd        \$1,`4*$j-16*4`(@ptr[2]),@Xi[1],@Xi[1]
 839          vpinsrd        \$1,`4*$j-16*4`(@ptr[6]),$t3,$t3
 840          vpinsrd        \$1,`4*$j-16*4`(@ptr[3]),$t2,$t2
 841          vpunpckldq     $t2,@Xi[1],@Xi[1]
 842          vpinsrd        \$1,`4*$j-16*4`(@ptr[7]),$t1,$t1
 843          vpunpckldq     $t1,$t3,$t3
 844 ___
 845 $code.=<<___ if ($i<14);
 846         vpaddd  $K,$e,$e                        # e+=K_00_19
 847         vpslld  \$5,$a,$t2
 848         vpandn  $d,$b,$t1
 849         vpand   $c,$b,$t0
 850
 851         vmovdqa @Xi[0],`&Xi_off($i)`
 852         vpaddd  @Xi[0],$e,$e                    # e+=X[i]
 853          $vpack         $t3,@Xi[1],@Xi[1]
 854         vpsrld  \$27,$a,$t3
 855         vpxor   $t1,$t0,$t0                     # Ch(b,c,d)
 856          vmovd          `4*$k-16*4`(@ptr[0]),@Xi[2]
 857
 858         vpslld  \$30,$b,$t1
 859         vpor    $t3,$t2,$t2                     # rol(a,5)
 860          vmovd          `4*$k-16*4`($ptr_n),$t3
 861         vpaddd  $t0,$e,$e                       # e+=Ch(b,c,d)
 862
 863         vpsrld  \$2,$b,$b
 864         vpaddd  $t2,$e,$e                       # e+=rol(a,5)
 865          vpshufb        $tx,@Xi[1],@Xi[1]
 866         vpor    $t1,$b,$b                       # b=rol(b,30)
 867 ___
 868 $code.=<<___ if ($i==14);
 869         vpaddd  $K,$e,$e                        # e+=K_00_19
 870          prefetcht0     63(@ptr[0])
 871         vpslld  \$5,$a,$t2
 872         vpandn  $d,$b,$t1
 873         vpand   $c,$b,$t0
 874
 875         vmovdqa @Xi[0],`&Xi_off($i)`
 876         vpaddd  @Xi[0],$e,$e                    # e+=X[i]
 877          $vpack         $t3,@Xi[1],@Xi[1]
 878         vpsrld  \$27,$a,$t3
 879          prefetcht0     63(@ptr[1])
 880         vpxor   $t1,$t0,$t0                     # Ch(b,c,d)
 881
 882         vpslld  \$30,$b,$t1
 883         vpor    $t3,$t2,$t2                     # rol(a,5)
 884          prefetcht0     63(@ptr[2])
 885         vpaddd  $t0,$e,$e                       # e+=Ch(b,c,d)
 886
 887         vpsrld  \$2,$b,$b
 888         vpaddd  $t2,$e,$e                       # e+=rol(a,5)
 889          prefetcht0     63(@ptr[3])
 890          vpshufb        $tx,@Xi[1],@Xi[1]
 891         vpor    $t1,$b,$b                       # b=rol(b,30)
 892 ___
 893 $code.=<<___ if ($i>=13 && $i<15);
 894         vmovdqa `&Xi_off($j+2)`,@Xi[3]          # preload "X[2]"
 895 ___
 896 $code.=<<___ if ($i>=15);                       # apply Xupdate
 897         vpxor   @Xi[-2],@Xi[1],@Xi[1]           # "X[13]"
 898         vmovdqa `&Xi_off($j+2)`,@Xi[3]          # "X[2]"
 899
 900         vpaddd  $K,$e,$e                        # e+=K_00_19
 901         vpslld  \$5,$a,$t2
 902         vpandn  $d,$b,$t1
 903          `"prefetcht0   63(@ptr[4])"            if ($i==15 && $REG_SZ==32)`
 904         vpand   $c,$b,$t0
 905
 906         vmovdqa @Xi[0],`&Xi_off($i)`
 907         vpaddd  @Xi[0],$e,$e                    # e+=X[i]
 908          vpxor  `&Xi_off($j+8)`,@Xi[1],@Xi[1]
 909         vpsrld  \$27,$a,$t3
 910         vpxor   $t1,$t0,$t0                     # Ch(b,c,d)
 911          vpxor  @Xi[3],@Xi[1],@Xi[1]
 912          `"prefetcht0   63(@ptr[5])"            if ($i==15 && $REG_SZ==32)`
 913
 914         vpslld  \$30,$b,$t1
 915         vpor    $t3,$t2,$t2                     # rol(a,5)
 916         vpaddd  $t0,$e,$e                       # e+=Ch(b,c,d)
 917          `"prefetcht0   63(@ptr[6])"            if ($i==15 && $REG_SZ==32)`
 918          vpsrld \$31,@Xi[1],$tx
 919          vpaddd @Xi[1],@Xi[1],@Xi[1]
 920
 921         vpsrld  \$2,$b,$b
 922          `"prefetcht0   63(@ptr[7])"            if ($i==15 && $REG_SZ==32)`
 923         vpaddd  $t2,$e,$e                       # e+=rol(a,5)
 924          vpor   $tx,@Xi[1],@Xi[1]               # rol   \$1,@Xi[1]
 925         vpor    $t1,$b,$b                       # b=rol(b,30)
 926 ___
 927 push(@Xi,shift(@Xi));
 928 }
 929
 930 sub BODY_20_39_avx {
 931 my ($i,$a,$b,$c,$d,$e)=@_;
 932 my $j=$i+1;
 933
 934 $code.=<<___ if ($i<79);
 935         vpxor   @Xi[-2],@Xi[1],@Xi[1]           # "X[13]"
 936         vmovdqa `&Xi_off($j+2)`,@Xi[3]          # "X[2]"
 937
 938         vpslld  \$5,$a,$t2
 939         vpaddd  $K,$e,$e                        # e+=K_20_39
 940         vpxor   $b,$d,$t0
 941 ___
 942 $code.=<<___ if ($i<72);
 943         vmovdqa @Xi[0],`&Xi_off($i)`
 944 ___
 945 $code.=<<___ if ($i<79);
 946         vpaddd  @Xi[0],$e,$e                    # e+=X[i]
 947          vpxor  `&Xi_off($j+8)`,@Xi[1],@Xi[1]
 948         vpsrld  \$27,$a,$t3
 949         vpxor   $c,$t0,$t0                      # Parity(b,c,d)
 950          vpxor  @Xi[3],@Xi[1],@Xi[1]
 951
 952         vpslld  \$30,$b,$t1
 953         vpor    $t3,$t2,$t2                     # rol(a,5)
 954         vpaddd  $t0,$e,$e                       # e+=Parity(b,c,d)
 955          vpsrld \$31,@Xi[1],$tx
 956          vpaddd @Xi[1],@Xi[1],@Xi[1]
 957
 958         vpsrld  \$2,$b,$b
 959         vpaddd  $t2,$e,$e                       # e+=rol(a,5)
 960          vpor   $tx,@Xi[1],@Xi[1]               # rol(@Xi[1],1)
 961         vpor    $t1,$b,$b                       # b=rol(b,30)
 962 ___
 963 $code.=<<___ if ($i==79);
 964         vpslld  \$5,$a,$t2
 965         vpaddd  $K,$e,$e                        # e+=K_20_39
 966         vpxor   $b,$d,$t0
 967
 968         vpsrld  \$27,$a,$t3
 969         vpaddd  @Xi[0],$e,$e                    # e+=X[i]
 970         vpxor   $c,$t0,$t0                      # Parity(b,c,d)
 971
 972         vpslld  \$30,$b,$t1
 973         vpor    $t3,$t2,$t2                     # rol(a,5)
 974         vpaddd  $t0,$e,$e                       # e+=Parity(b,c,d)
 975
 976         vpsrld  \$2,$b,$b
 977         vpaddd  $t2,$e,$e                       # e+=rol(a,5)
 978         vpor    $t1,$b,$b                       # b=rol(b,30)
 979 ___
 980 push(@Xi,shift(@Xi));
 981 }
 982
 983 sub BODY_40_59_avx {
 984 my ($i,$a,$b,$c,$d,$e)=@_;
 985 my $j=$i+1;
 986
 987 $code.=<<___;
 988         vpxor   @Xi[-2],@Xi[1],@Xi[1]           # "X[13]"
 989         vmovdqa `&Xi_off($j+2)`,@Xi[3]          # "X[2]"
 990
 991         vpaddd  $K,$e,$e                        # e+=K_40_59
 992         vpslld  \$5,$a,$t2
 993         vpand   $c,$d,$t1
 994          vpxor  `&Xi_off($j+8)`,@Xi[1],@Xi[1]
 995
 996         vpaddd  $t1,$e,$e
 997         vpsrld  \$27,$a,$t3
 998         vpxor   $c,$d,$t0
 999          vpxor  @Xi[3],@Xi[1],@Xi[1]
1000
1001         vmovdqu @Xi[0],`&Xi_off($i)`
1002         vpaddd  @Xi[0],$e,$e                    # e+=X[i]
1003         vpor    $t3,$t2,$t2                     # rol(a,5)
1004          vpsrld \$31,@Xi[1],$tx
1005         vpand   $b,$t0,$t0
1006          vpaddd @Xi[1],@Xi[1],@Xi[1]
1007
1008         vpslld  \$30,$b,$t1
1009         vpaddd  $t0,$e,$e                       # e+=Maj(b,d,c)
1010
1011         vpsrld  \$2,$b,$b
1012         vpaddd  $t2,$e,$e                       # e+=rol(a,5)
1013          vpor   $tx,@Xi[1],@Xi[1]               # rol(@X[1],1)
1014         vpor    $t1,$b,$b                       # b=rol(b,30)
1015 ___
1016 push(@Xi,shift(@Xi));
1017 }
1018
1019 $code.=<<___;
1020 .type   sha1_multi_block_avx,\@function,3
1021 .align  32
1022 sha1_multi_block_avx:
1023 .cfi_startproc
1024 _avx_shortcut:
1025 ___
1026 $code.=<<___ if ($avx>1);
1027         shr     \$32,%rcx
1028         cmp     \$2,$num
1029         jb      .Lavx
1030         test    \$`1<<5`,%ecx
1031         jnz     _avx2_shortcut
1032         jmp     .Lavx
1033 .align  32
1034 .Lavx:
1035 ___
1036 $code.=<<___;
1037         mov     %rsp,%rax
1038 .cfi_def_cfa_register   %rax
1039         push    %rbx
1040 .cfi_push       %rbx
1041         push    %rbp
1042 .cfi_push       %rbp
1043 ___
1044 $code.=<<___ if ($win64);
1045         lea     -0xa8(%rsp),%rsp
1046         movaps  %xmm6,(%rsp)
1047         movaps  %xmm7,0x10(%rsp)
1048         movaps  %xmm8,0x20(%rsp)
1049         movaps  %xmm9,0x30(%rsp)
1050         movaps  %xmm10,-0x78(%rax)
1051         movaps  %xmm11,-0x68(%rax)
1052         movaps  %xmm12,-0x58(%rax)
1053         movaps  %xmm13,-0x48(%rax)
1054         movaps  %xmm14,-0x38(%rax)
1055         movaps  %xmm15,-0x28(%rax)
1056 ___
1057 $code.=<<___;
1058         sub     \$`$REG_SZ*18`, %rsp
1059         and     \$-256,%rsp
1060         mov     %rax,`$REG_SZ*17`(%rsp)         # original %rsp
1061 .cfi_cfa_expression     %rsp+`$REG_SZ*17`,deref,+8
1062 .Lbody_avx:
1063         lea     K_XX_XX(%rip),$Tbl
1064         lea     `$REG_SZ*16`(%rsp),%rbx
1065
1066         vzeroupper
1067 .Loop_grande_avx:
1068         mov     $num,`$REG_SZ*17+8`(%rsp)       # original $num
1069         xor     $num,$num
1070 ___
1071 for($i=0;$i<4;$i++) {
1072     $code.=<<___;
1073         mov     `16*$i+0`($inp),@ptr[$i]        # input pointer
1074         mov     `16*$i+8`($inp),%ecx            # number of blocks
1075         cmp     $num,%ecx
1076         cmovg   %ecx,$num                       # find maximum
1077         test    %ecx,%ecx
1078         mov     %ecx,`4*$i`(%rbx)               # initialize counters
1079         cmovle  $Tbl,@ptr[$i]                   # cancel input
1080 ___
1081 }
1082 $code.=<<___;
1083         test    $num,$num
1084         jz      .Ldone_avx
1085
1086         vmovdqu 0x00($ctx),$A                   # load context
1087          lea    128(%rsp),%rax
1088         vmovdqu 0x20($ctx),$B
1089         vmovdqu 0x40($ctx),$C
1090         vmovdqu 0x60($ctx),$D
1091         vmovdqu 0x80($ctx),$E
1092         vmovdqu 0x60($Tbl),$tx                  # pbswap_mask
1093         jmp     .Loop_avx
1094
1095 .align  32
1096 .Loop_avx:
1097 ___
1098 $code.="        vmovdqa -0x20($Tbl),$K\n";      # K_00_19
1099 for($i=0;$i<20;$i++)    { &BODY_00_19_avx($i,@V); unshift(@V,pop(@V)); }
1100 $code.="        vmovdqa 0x00($Tbl),$K\n";       # K_20_39
1101 for(;$i<40;$i++)        { &BODY_20_39_avx($i,@V); unshift(@V,pop(@V)); }
1102 $code.="        vmovdqa 0x20($Tbl),$K\n";       # K_40_59
1103 for(;$i<60;$i++)        { &BODY_40_59_avx($i,@V); unshift(@V,pop(@V)); }
1104 $code.="        vmovdqa 0x40($Tbl),$K\n";       # K_60_79
1105 for(;$i<80;$i++)        { &BODY_20_39_avx($i,@V); unshift(@V,pop(@V)); }
1106 $code.=<<___;
1107         mov     \$1,%ecx
1108 ___
1109 for($i=0;$i<4;$i++) {
1110     $code.=<<___;
1111         cmp     `4*$i`(%rbx),%ecx               # examine counters
1112         cmovge  $Tbl,@ptr[$i]                   # cancel input
1113 ___
1114 }
1115 $code.=<<___;
1116         vmovdqu (%rbx),$t0                      # pull counters
1117         vpxor   $t2,$t2,$t2
1118         vmovdqa $t0,$t1
1119         vpcmpgtd $t2,$t1,$t1                    # mask value
1120         vpaddd  $t1,$t0,$t0                     # counters--
1121
1122         vpand   $t1,$A,$A
1123         vpand   $t1,$B,$B
1124         vpaddd  0x00($ctx),$A,$A
1125         vpand   $t1,$C,$C
1126         vpaddd  0x20($ctx),$B,$B
1127         vpand   $t1,$D,$D
1128         vpaddd  0x40($ctx),$C,$C
1129         vpand   $t1,$E,$E
1130         vpaddd  0x60($ctx),$D,$D
1131         vpaddd  0x80($ctx),$E,$E
1132         vmovdqu $A,0x00($ctx)
1133         vmovdqu $B,0x20($ctx)
1134         vmovdqu $C,0x40($ctx)
1135         vmovdqu $D,0x60($ctx)
1136         vmovdqu $E,0x80($ctx)
1137
1138         vmovdqu $t0,(%rbx)                      # save counters
1139         vmovdqu 0x60($Tbl),$tx                  # pbswap_mask
1140         dec     $num
1141         jnz     .Loop_avx
1142
1143         mov     `$REG_SZ*17+8`(%rsp),$num
1144         lea     $REG_SZ($ctx),$ctx
1145         lea     `16*$REG_SZ/4`($inp),$inp
1146         dec     $num
1147         jnz     .Loop_grande_avx
1148
1149 .Ldone_avx:
1150         mov     `$REG_SZ*17`(%rsp),%rax         # original %rsp
1151 .cfi_def_cfa    %rax,8
1152         vzeroupper
1153 ___
1154 $code.=<<___ if ($win64);
1155         movaps  -0xb8(%rax),%xmm6
1156         movaps  -0xa8(%rax),%xmm7
1157         movaps  -0x98(%rax),%xmm8
1158         movaps  -0x88(%rax),%xmm9
1159         movaps  -0x78(%rax),%xmm10
1160         movaps  -0x68(%rax),%xmm11
1161         movaps  -0x58(%rax),%xmm12
1162         movaps  -0x48(%rax),%xmm13
1163         movaps  -0x38(%rax),%xmm14
1164         movaps  -0x28(%rax),%xmm15
1165 ___
1166 $code.=<<___;
1167         mov     -16(%rax),%rbp
1168 .cfi_restore    %rbp
1169         mov     -8(%rax),%rbx
1170 .cfi_restore    %rbx
1171         lea     (%rax),%rsp
1172 .cfi_def_cfa_register   %rsp
1173 .Lepilogue_avx:
1174         ret
1175 .cfi_endproc
1176 .size   sha1_multi_block_avx,.-sha1_multi_block_avx
1177 ___
1178
1179                                                 if ($avx>1) {
1180 $code =~ s/\`([^\`]*)\`/eval $1/gem;
1181
1182 $REG_SZ=32;
1183
1184 @ptr=map("%r$_",(12..15,8..11));
1185
1186 @V=($A,$B,$C,$D,$E)=map("%ymm$_",(0..4));
1187 ($t0,$t1,$t2,$t3,$tx)=map("%ymm$_",(5..9));
1188 @Xi=map("%ymm$_",(10..14));
1189 $K="%ymm15";
1190
1191 $code.=<<___;
1192 .type   sha1_multi_block_avx2,\@function,3
1193 .align  32
1194 sha1_multi_block_avx2:
1195 .cfi_startproc
1196 _avx2_shortcut:
1197         mov     %rsp,%rax
1198 .cfi_def_cfa_register   %rax
1199         push    %rbx
1200 .cfi_push       %rbx
1201         push    %rbp
1202 .cfi_push       %rbp
1203         push    %r12
1204 .cfi_push       %r12
1205         push    %r13
1206 .cfi_push       %r13
1207         push    %r14
1208 .cfi_push       %r14
1209         push    %r15
1210 .cfi_push       %r15
1211 ___
1212 $code.=<<___ if ($win64);
1213         lea     -0xa8(%rsp),%rsp
1214         movaps  %xmm6,(%rsp)
1215         movaps  %xmm7,0x10(%rsp)
1216         movaps  %xmm8,0x20(%rsp)
1217         movaps  %xmm9,0x30(%rsp)
1218         movaps  %xmm10,0x40(%rsp)
1219         movaps  %xmm11,0x50(%rsp)
1220         movaps  %xmm12,-0x78(%rax)
1221         movaps  %xmm13,-0x68(%rax)
1222         movaps  %xmm14,-0x58(%rax)
1223         movaps  %xmm15,-0x48(%rax)
1224 ___
1225 $code.=<<___;
1226         sub     \$`$REG_SZ*18`, %rsp
1227         and     \$-256,%rsp
1228         mov     %rax,`$REG_SZ*17`(%rsp)         # original %rsp
1229 .cfi_cfa_expression     %rsp+`$REG_SZ*17`,deref,+8
1230 .Lbody_avx2:
1231         lea     K_XX_XX(%rip),$Tbl
1232         shr     \$1,$num
1233
1234         vzeroupper
1235 .Loop_grande_avx2:
1236         mov     $num,`$REG_SZ*17+8`(%rsp)       # original $num
1237         xor     $num,$num
1238         lea     `$REG_SZ*16`(%rsp),%rbx
1239 ___
1240 for($i=0;$i<8;$i++) {
1241     $code.=<<___;
1242         mov     `16*$i+0`($inp),@ptr[$i]        # input pointer
1243         mov     `16*$i+8`($inp),%ecx            # number of blocks
1244         cmp     $num,%ecx
1245         cmovg   %ecx,$num                       # find maximum
1246         test    %ecx,%ecx
1247         mov     %ecx,`4*$i`(%rbx)               # initialize counters
1248         cmovle  $Tbl,@ptr[$i]                   # cancel input
1249 ___
1250 }
1251 $code.=<<___;
1252         vmovdqu 0x00($ctx),$A                   # load context
1253          lea    128(%rsp),%rax
1254         vmovdqu 0x20($ctx),$B
1255          lea    256+128(%rsp),%rbx
1256         vmovdqu 0x40($ctx),$C
1257         vmovdqu 0x60($ctx),$D
1258         vmovdqu 0x80($ctx),$E
1259         vmovdqu 0x60($Tbl),$tx                  # pbswap_mask
1260         jmp     .Loop_avx2
1261
1262 .align  32
1263 .Loop_avx2:
1264 ___
1265 $code.="        vmovdqa -0x20($Tbl),$K\n";      # K_00_19
1266 for($i=0;$i<20;$i++)    { &BODY_00_19_avx($i,@V); unshift(@V,pop(@V)); }
1267 $code.="        vmovdqa 0x00($Tbl),$K\n";       # K_20_39
1268 for(;$i<40;$i++)        { &BODY_20_39_avx($i,@V); unshift(@V,pop(@V)); }
1269 $code.="        vmovdqa 0x20($Tbl),$K\n";       # K_40_59
1270 for(;$i<60;$i++)        { &BODY_40_59_avx($i,@V); unshift(@V,pop(@V)); }
1271 $code.="        vmovdqa 0x40($Tbl),$K\n";       # K_60_79
1272 for(;$i<80;$i++)        { &BODY_20_39_avx($i,@V); unshift(@V,pop(@V)); }
1273 $code.=<<___;
1274         mov     \$1,%ecx
1275         lea     `$REG_SZ*16`(%rsp),%rbx
1276 ___
1277 for($i=0;$i<8;$i++) {
1278     $code.=<<___;
1279         cmp     `4*$i`(%rbx),%ecx               # examine counters
1280         cmovge  $Tbl,@ptr[$i]                   # cancel input
1281 ___
1282 }
1283 $code.=<<___;
1284         vmovdqu (%rbx),$t0              # pull counters
1285         vpxor   $t2,$t2,$t2
1286         vmovdqa $t0,$t1
1287         vpcmpgtd $t2,$t1,$t1                    # mask value
1288         vpaddd  $t1,$t0,$t0                     # counters--
1289
1290         vpand   $t1,$A,$A
1291         vpand   $t1,$B,$B
1292         vpaddd  0x00($ctx),$A,$A
1293         vpand   $t1,$C,$C
1294         vpaddd  0x20($ctx),$B,$B
1295         vpand   $t1,$D,$D
1296         vpaddd  0x40($ctx),$C,$C
1297         vpand   $t1,$E,$E
1298         vpaddd  0x60($ctx),$D,$D
1299         vpaddd  0x80($ctx),$E,$E
1300         vmovdqu $A,0x00($ctx)
1301         vmovdqu $B,0x20($ctx)
1302         vmovdqu $C,0x40($ctx)
1303         vmovdqu $D,0x60($ctx)
1304         vmovdqu $E,0x80($ctx)
1305
1306         vmovdqu $t0,(%rbx)                      # save counters
1307         lea     256+128(%rsp),%rbx
1308         vmovdqu 0x60($Tbl),$tx                  # pbswap_mask
1309         dec     $num
1310         jnz     .Loop_avx2
1311
1312         #mov    `$REG_SZ*17+8`(%rsp),$num
1313         #lea    $REG_SZ($ctx),$ctx
1314         #lea    `16*$REG_SZ/4`($inp),$inp
1315         #dec    $num
1316         #jnz    .Loop_grande_avx2
1317
1318 .Ldone_avx2:
1319         mov     `$REG_SZ*17`(%rsp),%rax         # original %rsp
1320 .cfi_def_cfa    %rax,8
1321         vzeroupper
1322 ___
1323 $code.=<<___ if ($win64);
1324         movaps  -0xd8(%rax),%xmm6
1325         movaps  -0xc8(%rax),%xmm7
1326         movaps  -0xb8(%rax),%xmm8
1327         movaps  -0xa8(%rax),%xmm9
1328         movaps  -0x98(%rax),%xmm10
1329         movaps  -0x88(%rax),%xmm11
1330         movaps  -0x78(%rax),%xmm12
1331         movaps  -0x68(%rax),%xmm13
1332         movaps  -0x58(%rax),%xmm14
1333         movaps  -0x48(%rax),%xmm15
1334 ___
1335 $code.=<<___;
1336         mov     -48(%rax),%r15
1337 .cfi_restore    %r15
1338         mov     -40(%rax),%r14
1339 .cfi_restore    %r14
1340         mov     -32(%rax),%r13
1341 .cfi_restore    %r13
1342         mov     -24(%rax),%r12
1343 .cfi_restore    %r12
1344         mov     -16(%rax),%rbp
1345 .cfi_restore    %rbp
1346         mov     -8(%rax),%rbx
1347 .cfi_restore    %rbx
1348         lea     (%rax),%rsp
1349 .cfi_def_cfa_register   %rsp
1350 .Lepilogue_avx2:
1351         ret
1352 .cfi_endproc
1353 .size   sha1_multi_block_avx2,.-sha1_multi_block_avx2
1354 ___
1355                                                 }       }}}
1356 $code.=<<___;
1357
1358 .align  256
1359         .long   0x5a827999,0x5a827999,0x5a827999,0x5a827999     # K_00_19
1360         .long   0x5a827999,0x5a827999,0x5a827999,0x5a827999     # K_00_19
1361 K_XX_XX:
1362         .long   0x6ed9eba1,0x6ed9eba1,0x6ed9eba1,0x6ed9eba1     # K_20_39
1363         .long   0x6ed9eba1,0x6ed9eba1,0x6ed9eba1,0x6ed9eba1     # K_20_39
1364         .long   0x8f1bbcdc,0x8f1bbcdc,0x8f1bbcdc,0x8f1bbcdc     # K_40_59
1365         .long   0x8f1bbcdc,0x8f1bbcdc,0x8f1bbcdc,0x8f1bbcdc     # K_40_59
1366         .long   0xca62c1d6,0xca62c1d6,0xca62c1d6,0xca62c1d6     # K_60_79
1367         .long   0xca62c1d6,0xca62c1d6,0xca62c1d6,0xca62c1d6     # K_60_79
1368         .long   0x00010203,0x04050607,0x08090a0b,0x0c0d0e0f     # pbswap
1369         .long   0x00010203,0x04050607,0x08090a0b,0x0c0d0e0f     # pbswap
1370         .byte   0xf,0xe,0xd,0xc,0xb,0xa,0x9,0x8,0x7,0x6,0x5,0x4,0x3,0x2,0x1,0x0
1371         .asciz  "SHA1 multi-block transform for x86_64, CRYPTOGAMS by <appro\@openssl.org>"
1372 ___
1373
1374 if ($win64) {
1375 # EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame,
1376 #               CONTEXT *context,DISPATCHER_CONTEXT *disp)
1377 $rec="%rcx";
1378 $frame="%rdx";
1379 $context="%r8";
1380 $disp="%r9";
1381
1382 $code.=<<___;
1383 .extern __imp_RtlVirtualUnwind
1384 .type   se_handler,\@abi-omnipotent
1385 .align  16
1386 se_handler:
1387         push    %rsi
1388         push    %rdi
1389         push    %rbx
1390         push    %rbp
1391         push    %r12
1392         push    %r13
1393         push    %r14
1394         push    %r15
1395         pushfq
1396         sub     \$64,%rsp
1397
1398         mov     120($context),%rax      # pull context->Rax
1399         mov     248($context),%rbx      # pull context->Rip
1400
1401         mov     8($disp),%rsi           # disp->ImageBase
1402         mov     56($disp),%r11          # disp->HandlerData
1403
1404         mov     0(%r11),%r10d           # HandlerData[0]
1405         lea     (%rsi,%r10),%r10        # end of prologue label
1406         cmp     %r10,%rbx               # context->Rip<.Lbody
1407         jb      .Lin_prologue
1408
1409         mov     152($context),%rax      # pull context->Rsp
1410
1411         mov     4(%r11),%r10d           # HandlerData[1]
1412         lea     (%rsi,%r10),%r10        # epilogue label
1413         cmp     %r10,%rbx               # context->Rip>=.Lepilogue
1414         jae     .Lin_prologue
1415
1416         mov     `16*17`(%rax),%rax      # pull saved stack pointer
1417
1418         mov     -8(%rax),%rbx
1419         mov     -16(%rax),%rbp
1420         mov     %rbx,144($context)      # restore context->Rbx
1421         mov     %rbp,160($context)      # restore context->Rbp
1422
1423         lea     -24-10*16(%rax),%rsi
1424         lea     512($context),%rdi      # &context.Xmm6
1425         mov     \$20,%ecx
1426         .long   0xa548f3fc              # cld; rep movsq
1427
1428 .Lin_prologue:
1429         mov     8(%rax),%rdi
1430         mov     16(%rax),%rsi
1431         mov     %rax,152($context)      # restore context->Rsp
1432         mov     %rsi,168($context)      # restore context->Rsi
1433         mov     %rdi,176($context)      # restore context->Rdi
1434
1435         mov     40($disp),%rdi          # disp->ContextRecord
1436         mov     $context,%rsi           # context
1437         mov     \$154,%ecx              # sizeof(CONTEXT)
1438         .long   0xa548f3fc              # cld; rep movsq
1439
1440         mov     $disp,%rsi
1441         xor     %rcx,%rcx               # arg1, UNW_FLAG_NHANDLER
1442         mov     8(%rsi),%rdx            # arg2, disp->ImageBase
1443         mov     0(%rsi),%r8             # arg3, disp->ControlPc
1444         mov     16(%rsi),%r9            # arg4, disp->FunctionEntry
1445         mov     40(%rsi),%r10           # disp->ContextRecord
1446         lea     56(%rsi),%r11           # &disp->HandlerData
1447         lea     24(%rsi),%r12           # &disp->EstablisherFrame
1448         mov     %r10,32(%rsp)           # arg5
1449         mov     %r11,40(%rsp)           # arg6
1450         mov     %r12,48(%rsp)           # arg7
1451         mov     %rcx,56(%rsp)           # arg8, (NULL)
1452         call    *__imp_RtlVirtualUnwind(%rip)
1453
1454         mov     \$1,%eax                # ExceptionContinueSearch
1455         add     \$64,%rsp
1456         popfq
1457         pop     %r15
1458         pop     %r14
1459         pop     %r13
1460         pop     %r12
1461         pop     %rbp
1462         pop     %rbx
1463         pop     %rdi
1464         pop     %rsi
1465         ret
1466 .size   se_handler,.-se_handler
1467 ___
1468 $code.=<<___ if ($avx>1);
1469 .type   avx2_handler,\@abi-omnipotent
1470 .align  16
1471 avx2_handler:
1472         push    %rsi
1473         push    %rdi
1474         push    %rbx
1475         push    %rbp
1476         push    %r12
1477         push    %r13
1478         push    %r14
1479         push    %r15
1480         pushfq
1481         sub     \$64,%rsp
1482
1483         mov     120($context),%rax      # pull context->Rax
1484         mov     248($context),%rbx      # pull context->Rip
1485
1486         mov     8($disp),%rsi           # disp->ImageBase
1487         mov     56($disp),%r11          # disp->HandlerData
1488
1489         mov     0(%r11),%r10d           # HandlerData[0]
1490         lea     (%rsi,%r10),%r10        # end of prologue label
1491         cmp     %r10,%rbx               # context->Rip<body label
1492         jb      .Lin_prologue
1493
1494         mov     152($context),%rax      # pull context->Rsp
1495
1496         mov     4(%r11),%r10d           # HandlerData[1]
1497         lea     (%rsi,%r10),%r10        # epilogue label
1498         cmp     %r10,%rbx               # context->Rip>=epilogue label
1499         jae     .Lin_prologue
1500
1501         mov     `32*17`($context),%rax  # pull saved stack pointer
1502
1503         mov     -8(%rax),%rbx
1504         mov     -16(%rax),%rbp
1505         mov     -24(%rax),%r12
1506         mov     -32(%rax),%r13
1507         mov     -40(%rax),%r14
1508         mov     -48(%rax),%r15
1509         mov     %rbx,144($context)      # restore context->Rbx
1510         mov     %rbp,160($context)      # restore context->Rbp
1511         mov     %r12,216($context)      # restore context->R12
1512         mov     %r13,224($context)      # restore context->R13
1513         mov     %r14,232($context)      # restore context->R14
1514         mov     %r15,240($context)      # restore context->R15
1515
1516         lea     -56-10*16(%rax),%rsi
1517         lea     512($context),%rdi      # &context.Xmm6
1518         mov     \$20,%ecx
1519         .long   0xa548f3fc              # cld; rep movsq
1520
1521         jmp     .Lin_prologue
1522 .size   avx2_handler,.-avx2_handler
1523 ___
1524 $code.=<<___;
1525 .section        .pdata
1526 .align  4
1527         .rva    .LSEH_begin_sha1_multi_block
1528         .rva    .LSEH_end_sha1_multi_block
1529         .rva    .LSEH_info_sha1_multi_block
1530         .rva    .LSEH_begin_sha1_multi_block_shaext
1531         .rva    .LSEH_end_sha1_multi_block_shaext
1532         .rva    .LSEH_info_sha1_multi_block_shaext
1533 ___
1534 $code.=<<___ if ($avx);
1535         .rva    .LSEH_begin_sha1_multi_block_avx
1536         .rva    .LSEH_end_sha1_multi_block_avx
1537         .rva    .LSEH_info_sha1_multi_block_avx
1538 ___
1539 $code.=<<___ if ($avx>1);
1540         .rva    .LSEH_begin_sha1_multi_block_avx2
1541         .rva    .LSEH_end_sha1_multi_block_avx2
1542         .rva    .LSEH_info_sha1_multi_block_avx2
1543 ___
1544 $code.=<<___;
1545 .section        .xdata
1546 .align  8
1547 .LSEH_info_sha1_multi_block:
1548         .byte   9,0,0,0
1549         .rva    se_handler
1550         .rva    .Lbody,.Lepilogue                       # HandlerData[]
1551 .LSEH_info_sha1_multi_block_shaext:
1552         .byte   9,0,0,0
1553         .rva    se_handler
1554         .rva    .Lbody_shaext,.Lepilogue_shaext # HandlerData[]
1555 ___
1556 $code.=<<___ if ($avx);
1557 .LSEH_info_sha1_multi_block_avx:
1558         .byte   9,0,0,0
1559         .rva    se_handler
1560         .rva    .Lbody_avx,.Lepilogue_avx               # HandlerData[]
1561 ___
1562 $code.=<<___ if ($avx>1);
1563 .LSEH_info_sha1_multi_block_avx2:
1564         .byte   9,0,0,0
1565         .rva    avx2_handler
1566         .rva    .Lbody_avx2,.Lepilogue_avx2             # HandlerData[]
1567 ___
1568 }
1569 ####################################################################
1570
1571 sub rex {
1572   local *opcode=shift;
1573   my ($dst,$src)=@_;
1574   my $rex=0;
1575
1576     $rex|=0x04                  if ($dst>=8);
1577     $rex|=0x01                  if ($src>=8);
1578     unshift @opcode,$rex|0x40   if ($rex);
1579 }
1580
1581 sub sha1rnds4 {
1582     if (@_[0] =~ /\$([x0-9a-f]+),\s*%xmm([0-9]+),\s*%xmm([0-9]+)/) {
1583       my @opcode=(0x0f,0x3a,0xcc);
1584         rex(\@opcode,$3,$2);
1585         push @opcode,0xc0|($2&7)|(($3&7)<<3);           # ModR/M
1586         my $c=$1;
1587         push @opcode,$c=~/^0/?oct($c):$c;
1588         return ".byte\t".join(',',@opcode);
1589     } else {
1590         return "sha1rnds4\t".@_[0];
1591     }
1592 }
1593
1594 sub sha1op38 {
1595     my $instr = shift;
1596     my %opcodelet = (
1597                 "sha1nexte" => 0xc8,
1598                 "sha1msg1"  => 0xc9,
1599                 "sha1msg2"  => 0xca     );
1600
1601     if (defined($opcodelet{$instr}) && @_[0] =~ /%xmm([0-9]+),\s*%xmm([0-9]+)/) {
1602       my @opcode=(0x0f,0x38);
1603         rex(\@opcode,$2,$1);
1604         push @opcode,$opcodelet{$instr};
1605         push @opcode,0xc0|($1&7)|(($2&7)<<3);           # ModR/M
1606         return ".byte\t".join(',',@opcode);
1607     } else {
1608         return $instr."\t".@_[0];
1609     }
1610 }
1611
1612 foreach (split("\n",$code)) {
1613         s/\`([^\`]*)\`/eval($1)/ge;
1614
1615         s/\b(sha1rnds4)\s+(.*)/sha1rnds4($2)/geo                or
1616         s/\b(sha1[^\s]*)\s+(.*)/sha1op38($1,$2)/geo             or
1617
1618         s/\b(vmov[dq])\b(.+)%ymm([0-9]+)/$1$2%xmm$3/go          or
1619         s/\b(vmovdqu)\b(.+)%x%ymm([0-9]+)/$1$2%xmm$3/go         or
1620         s/\b(vpinsr[qd])\b(.+)%ymm([0-9]+),%ymm([0-9]+)/$1$2%xmm$3,%xmm$4/go    or
1621         s/\b(vpextr[qd])\b(.+)%ymm([0-9]+)/$1$2%xmm$3/go        or
1622         s/\b(vinserti128)\b(\s+)%ymm/$1$2\$1,%xmm/go            or
1623         s/\b(vpbroadcast[qd]\s+)%ymm([0-9]+)/$1%xmm$2/go;
1624
1625         print $_,"\n";
1626 }
1627
1628 close STDOUT;