Update copyright year
[openssl.git] / crypto / sha / asm / sha256-586.pl
index 8fe13bc..dccc771 100644 (file)
@@ -1,7 +1,14 @@
-#!/usr/bin/env perl
+#! /usr/bin/env perl
+# Copyright 2007-2018 The OpenSSL Project Authors. All Rights Reserved.
+#
+# Licensed under the OpenSSL license (the "License").  You may not use
+# this file except in compliance with the License.  You can obtain a copy
+# in the file LICENSE in the source distribution or at
+# https://www.openssl.org/source/license.html
+
 #
 # ====================================================================
-# Written by Andy Polyakov <appro@fy.chalmers.se> for the OpenSSL
+# Written by Andy Polyakov <appro@openssl.org> for the OpenSSL
 # project. The module is, however, dual licensed under OpenSSL and
 # CRYPTOGAMS licenses depending on where you obtain it. For further
 # details see http://www.openssl.org/~appro/cryptogams/.
 #
 # SHA256 block transform for x86. September 2007.
 #
-# Performance in clock cycles per processed byte (less is better):
+# Performance improvement over compiler generated code varies from
+# 10% to 40% [see below]. Not very impressive on some µ-archs, but
+# it's 5 times smaller and optimizes amount of writes.
 #
-#              Pentium PIII    P4      AMD K8  Core2
-# gcc          46      36      41      27      26
-# icc          57      33      38      25      23      
-# x86 asm      40      30      35      20      20
-# x86_64 asm(*)        -       -       21      15.8    16.5
+# May 2012.
 #
-# (*) x86_64 assembler performance is presented for reference
-#     purposes.
+# Optimization including two of Pavel Semjanov's ideas, alternative
+# Maj and full unroll, resulted in ~20-25% improvement on most CPUs,
+# ~7% on Pentium, ~40% on Atom. As fully unrolled loop body is almost
+# 15x larger, 8KB vs. 560B, it's fired only for longer inputs. But not
+# on P4, where it kills performance, nor Sandy Bridge, where folded
+# loop is approximately as fast...
 #
-# Performance improvement over compiler generated code varies from
-# 10% to 40% [see above]. Not very impressive on some µ-archs, but
-# it's 5 times smaller and optimizies amount of writes.
+# June 2012.
+#
+# Add AMD XOP-specific code path, >30% improvement on Bulldozer over
+# May version, >60% over original. Add AVX+shrd code path, >25%
+# improvement on Sandy Bridge over May version, 60% over original.
+#
+# May 2013.
+#
+# Replace AMD XOP code path with SSSE3 to cover more processors.
+# (Biggest improvement coefficient is on upcoming Atom Silvermont,
+# not shown.) Add AVX+BMI code path.
+#
+# March 2014.
+#
+# Add support for Intel SHA Extensions.
+#
+# Performance in clock cycles per processed byte (less is better):
+#
+#              gcc     icc     x86 asm(*)      SIMD    x86_64 asm(**)
+# Pentium      46      57      40/38           -       -
+# PIII         36      33      27/24           -       -
+# P4           41      38      28              -       17.3
+# AMD K8       27      25      19/15.5         -       14.9
+# Core2                26      23      18/15.6         14.3    13.8
+# Westmere     27      -       19/15.7         13.4    12.3
+# Sandy Bridge 25      -       15.9            12.4    11.6
+# Ivy Bridge   24      -       15.0            11.4    10.3
+# Haswell      22      -       13.9            9.46    7.80
+# Skylake      20      -       14.9            9.50    7.70
+# Bulldozer    36      -       27/22           17.0    13.6
+# VIA Nano     36      -       25/22           16.8    16.5
+# Atom         50      -       30/25           21.9    18.9
+# Silvermont   40      -       34/31           22.9    20.6
+# Goldmont     29      -       20              16.3(***)
+#
+# (*)  numbers after slash are for unrolled loop, where applicable;
+# (**) x86_64 assembly performance is presented for reference
+#      purposes, results are best-available;
+# (***)        SHAEXT result is 4.1, strangely enough better than 64-bit one;
 
 $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
 push(@INC,"${dir}","${dir}../../perlasm");
 require "x86asm.pl";
 
-&asm_init($ARGV[0],"sha512-586.pl",$ARGV[$#ARGV] eq "386");
+$output=pop;
+open STDOUT,">$output";
+
+&asm_init($ARGV[0],$ARGV[$#ARGV] eq "386");
+
+$xmm=$avx=0;
+for (@ARGV) { $xmm=1 if (/-DOPENSSL_IA32_SSE2/); }
+
+if ($xmm &&    `$ENV{CC} -Wa,-v -c -o /dev/null -x assembler /dev/null 2>&1`
+                       =~ /GNU assembler version ([2-9]\.[0-9]+)/) {
+       $avx = ($1>=2.19) + ($1>=2.22);
+}
+
+if ($xmm && !$avx && $ARGV[0] eq "win32n" &&
+               `nasm -v 2>&1` =~ /NASM version ([2-9]\.[0-9]+)/) {
+       $avx = ($1>=2.03) + ($1>=2.10);
+}
+
+if ($xmm && !$avx && $ARGV[0] eq "win32" &&
+               `ml 2>&1` =~ /Version ([0-9]+)\./) {
+       $avx = ($1>=10) + ($1>=11);
+}
+
+if ($xmm && !$avx && `$ENV{CC} -v 2>&1` =~ /((?:^clang|LLVM) version|based on LLVM) ([3-9]\.[0-9]+)/) {
+       $avx = ($2>=3.0) + ($2>3.0);
+}
+
+$shaext=$xmm;  ### set to zero if compiling for 1.0.1
+
+$unroll_after = 64*4;  # If pre-evicted from L1P cache first spin of
+                       # fully unrolled loop was measured to run about
+                       # 3-4x slower. If slowdown coefficient is N and
+                       # unrolled loop is m times faster, then you break
+                       # even at (N-1)/(m-1) blocks. Then it needs to be
+                       # adjusted for probability of code being evicted,
+                       # code size/cache size=1/4. Typical m is 1.15...
 
 $A="eax";
 $E="edx";
 $T="ebx";
-$Aoff=&DWP(0,"esp");
-$Boff=&DWP(4,"esp");
-$Coff=&DWP(8,"esp");
-$Doff=&DWP(12,"esp");
-$Eoff=&DWP(16,"esp");
-$Foff=&DWP(20,"esp");
-$Goff=&DWP(24,"esp");
-$Hoff=&DWP(28,"esp");
-$Xoff=&DWP(32,"esp");
+$Aoff=&DWP(4,"esp");
+$Boff=&DWP(8,"esp");
+$Coff=&DWP(12,"esp");
+$Doff=&DWP(16,"esp");
+$Eoff=&DWP(20,"esp");
+$Foff=&DWP(24,"esp");
+$Goff=&DWP(28,"esp");
+$Hoff=&DWP(32,"esp");
+$Xoff=&DWP(36,"esp");
 $K256="ebp";
 
+sub BODY_16_63() {
+       &mov    ($T,"ecx");                     # "ecx" is preloaded
+        &mov   ("esi",&DWP(4*(9+15+16-14),"esp"));
+       &ror    ("ecx",18-7);
+        &mov   ("edi","esi");
+       &ror    ("esi",19-17);
+        &xor   ("ecx",$T);
+        &shr   ($T,3);
+       &ror    ("ecx",7);
+        &xor   ("esi","edi");
+        &xor   ($T,"ecx");                     # T = sigma0(X[-15])
+       &ror    ("esi",17);
+        &add   ($T,&DWP(4*(9+15+16),"esp"));   # T += X[-16]
+       &shr    ("edi",10);
+        &add   ($T,&DWP(4*(9+15+16-9),"esp")); # T += X[-7]
+       #&xor   ("edi","esi")                   # sigma1(X[-2])
+       # &add  ($T,"edi");                     # T += sigma1(X[-2])
+       # &mov  (&DWP(4*(9+15),"esp"),$T);      # save X[0]
+
+       &BODY_00_15(1);
+}
 sub BODY_00_15() {
+    my $in_16_63=shift;
+
        &mov    ("ecx",$E);
-       &ror    ("ecx",6);
-       &mov    ("edi",$E);
-       &ror    ("edi",11);
+        &xor   ("edi","esi")                   if ($in_16_63); # sigma1(X[-2])
         &mov   ("esi",$Foff);
-       &xor    ("ecx","edi");
-       &ror    ("edi",25-11);
-       &xor    ("ecx","edi");  # Sigma1(e)
+       &ror    ("ecx",25-11);
+        &add   ($T,"edi")                      if ($in_16_63); # T += sigma1(X[-2])
         &mov   ("edi",$Goff);
-       &add    ($T,"ecx");     # T += Sigma1(e)
-        &mov   ($Eoff,$E);     # modulo-scheduled
-
-       &xor    ("esi","edi");
+       &xor    ("ecx",$E);
+        &xor   ("esi","edi");
+        &mov   ($T,&DWP(4*(9+15),"esp"))       if (!$in_16_63);
+        &mov   (&DWP(4*(9+15),"esp"),$T)       if ($in_16_63); # save X[0]
+       &ror    ("ecx",11-6);
+        &and   ("esi",$E);
+        &mov   ($Eoff,$E);             # modulo-scheduled
+       &xor    ($E,"ecx");
+        &add   ($T,$Hoff);             # T += h
+        &xor   ("esi","edi");          # Ch(e,f,g)
+       &ror    ($E,6);                 # Sigma1(e)
         &mov   ("ecx",$A);
-       &and    ("esi",$E);
-        &mov   ($E,$Doff);     # e becomes d, which is e in next iteration
-       &xor    ("esi","edi");  # Ch(e,f,g)
-        &mov   ("edi",$A);
-       &add    ($T,"esi");     # T += Ch(e,f,g)
-
-       &ror    ("ecx",2);
-        &add   ($T,$Hoff);     # T += h
-       &ror    ("edi",13);
-        &mov   ("esi",$Boff);
-       &xor    ("ecx","edi");
-       &ror    ("edi",22-13);
-        &add   ($E,$T);        # d += T
-       &xor    ("ecx","edi");  # Sigma0(a)
-        &mov   ("edi",$Coff);
-
-       &add    ($T,"ecx");     # T += Sigma0(a)
-        &mov   ($Aoff,$A);     # modulo-scheduled
-
-       &mov    ("ecx",$A);
-        &sub   ("esp",4);
-       &or     ($A,"esi");     # a becomes h, which is a in next iteration
-       &and    ("ecx","esi");
-       &and    ($A,"edi");
+        &add   ($T,"esi");             # T += Ch(e,f,g)
+
+       &ror    ("ecx",22-13);
+        &add   ($T,$E);                # T += Sigma1(e)
+        &mov   ("edi",$Boff);
+       &xor    ("ecx",$A);
+        &mov   ($Aoff,$A);             # modulo-scheduled
+        &lea   ("esp",&DWP(-4,"esp"));
+       &ror    ("ecx",13-2);
         &mov   ("esi",&DWP(0,$K256));
-       &or     ($A,"ecx");     # h=Maj(a,b,c)
+       &xor    ("ecx",$A);
+        &mov   ($E,$Eoff);             # e in next iteration, d in this one
+        &xor   ($A,"edi");             # a ^= b
+       &ror    ("ecx",2);              # Sigma0(a)
 
+        &add   ($T,"esi");             # T+= K[i]
+        &mov   (&DWP(0,"esp"),$A);     # (b^c) in next round
+       &add    ($E,$T);                # d += T
+        &and   ($A,&DWP(4,"esp"));     # a &= (b^c)
+       &add    ($T,"ecx");             # T += Sigma0(a)
+        &xor   ($A,"edi");             # h = Maj(a,b,c) = Ch(a^b,c,b)
+        &mov   ("ecx",&DWP(4*(9+15+16-1),"esp"))       if ($in_16_63); # preload T
        &add    ($K256,4);
-       &add    ($A,$T);        # h += T
-       &add    ($E,"esi");     # d += K256[i]
-       &add    ($A,"esi");     # h += K256[i]
+        &add   ($A,$T);                # h += T
 }
 
-&function_begin("sha256_block_data_order",16);
+&external_label("OPENSSL_ia32cap_P")           if (!$i386);
+
+&function_begin("sha256_block_data_order");
        &mov    ("esi",wparam(0));      # ctx
        &mov    ("edi",wparam(1));      # inp
        &mov    ("eax",wparam(2));      # num
@@ -112,26 +214,59 @@ sub BODY_00_15() {
        &mov    (&DWP(4,"esp"),"edi");  # inp
        &mov    (&DWP(8,"esp"),"eax");  # inp+num*128
        &mov    (&DWP(12,"esp"),"ebx"); # saved sp
+                                               if (!$i386 && $xmm) {
+       &picmeup("edx","OPENSSL_ia32cap_P",$K256,&label("K256"));
+       &mov    ("ecx",&DWP(0,"edx"));
+       &mov    ("ebx",&DWP(4,"edx"));
+       &test   ("ecx",1<<20);          # check for P4
+       &jnz    (&label("loop"));
+       &mov    ("edx",&DWP(8,"edx"))   if ($xmm);
+       &test   ("ecx",1<<24);          # check for FXSR
+       &jz     ($unroll_after?&label("no_xmm"):&label("loop"));
+       &and    ("ecx",1<<30);          # mask "Intel CPU" bit
+       &and    ("ebx",1<<28|1<<9);     # mask AVX and SSSE3 bits
+       &test   ("edx",1<<29)           if ($shaext);   # check for SHA
+       &jnz    (&label("shaext"))      if ($shaext);
+       &or     ("ecx","ebx");
+       &and    ("ecx",1<<28|1<<30);
+       &cmp    ("ecx",1<<28|1<<30);
+                                       if ($xmm) {
+       &je     (&label("AVX"))         if ($avx);
+       &test   ("ebx",1<<9);           # check for SSSE3
+       &jnz    (&label("SSSE3"));
+                                       } else {
+       &je     (&label("loop_shrd"));
+                                       }
+                                               if ($unroll_after) {
+&set_label("no_xmm");
+       &sub    ("eax","edi");
+       &cmp    ("eax",$unroll_after);
+       &jae    (&label("unrolled"));
+                                               } }
+       &jmp    (&label("loop"));
+
+sub COMPACT_LOOP() {
+my $suffix=shift;
 
-&set_label("loop",16);
+&set_label("loop$suffix",$suffix?32:16);
     # copy input block to stack reversing byte and dword order
     for($i=0;$i<4;$i++) {
        &mov    ("eax",&DWP($i*16+0,"edi"));
        &mov    ("ebx",&DWP($i*16+4,"edi"));
        &mov    ("ecx",&DWP($i*16+8,"edi"));
-       &mov    ("edx",&DWP($i*16+12,"edi"));
        &bswap  ("eax");
+       &mov    ("edx",&DWP($i*16+12,"edi"));
        &bswap  ("ebx");
-       &bswap  ("ecx");
-       &bswap  ("edx");
        &push   ("eax");
+       &bswap  ("ecx");
        &push   ("ebx");
+       &bswap  ("edx");
        &push   ("ecx");
        &push   ("edx");
     }
        &add    ("edi",64);
-       &sub    ("esp",4*8);            # place for A,B,C,D,E,F,G,H
-       &mov    (&DWP(4*(8+16)+4,"esp"),"edi");
+       &lea    ("esp",&DWP(-4*9,"esp"));# place for A,B,C,D,E,F,G,H
+       &mov    (&DWP(4*(9+16)+4,"esp"),"edi");
 
        # copy ctx->h[0-7] to A,B,C,D,E,F,G,H on stack
        &mov    ($A,&DWP(0,"esi"));
@@ -140,9 +275,11 @@ sub BODY_00_15() {
        &mov    ("edi",&DWP(12,"esi"));
        # &mov  ($Aoff,$A);
        &mov    ($Boff,"ebx");
+       &xor    ("ebx","ecx");
        &mov    ($Coff,"ecx");
        &mov    ($Doff,"edi");
-       &mov    ($E,&DWP(16,"esi"));    
+       &mov    (&DWP(0,"esp"),"ebx");  # magic
+       &mov    ($E,&DWP(16,"esi"));
        &mov    ("ebx",&DWP(20,"esi"));
        &mov    ("ecx",&DWP(24,"esi"));
        &mov    ("edi",&DWP(28,"esi"));
@@ -151,60 +288,41 @@ sub BODY_00_15() {
        &mov    ($Goff,"ecx");
        &mov    ($Hoff,"edi");
 
-&set_label("00_15",16);
-       &mov    ($T,&DWP(4*(8+15),"esp"));
+&set_label("00_15$suffix",16);
 
        &BODY_00_15();
 
        &cmp    ("esi",0xc19bf174);
-       &jne    (&label("00_15"));
-
-&set_label("16_63",16);
-       &mov    ($T,&DWP(4*(8+15+16-1),"esp"));
-        &mov   ("ecx",&DWP(4*(8+15+16-14),"esp"));
-       &mov    ("esi",$T);
-       &shr    ($T,3);
-       &ror    ("esi",7);
-       &xor    ($T,"esi");
-       &ror    ("esi",18-7);
-        &mov   ("edi","ecx");
-       &xor    ($T,"esi");                     # T = sigma0(X[-15])
-
-       &shr    ("ecx",10);
-        &mov   ("esi",&DWP(4*(8+15+16),"esp"));
-       &ror    ("edi",17);
-       &xor    ("ecx","edi");
-       &ror    ("edi",19-17);
-        &add   ($T,"esi");                     # T += X[-16]
-       &xor    ("ecx","edi")                   # sigma1(X[-2])
-
-       &add    ($T,"ecx");                     # T += sigma1(X[-2])
-       &add    ($T,&DWP(4*(8+15+16-9),"esp")); # T += X[-7]
-       &mov    (&DWP(4*(8+15),"esp"),$T);      # save X[0]
+       &jne    (&label("00_15$suffix"));
 
-       &BODY_00_15();
+       &mov    ("ecx",&DWP(4*(9+15+16-1),"esp"));      # preloaded in BODY_00_15(1)
+       &jmp    (&label("16_63$suffix"));
+
+&set_label("16_63$suffix",16);
+
+       &BODY_16_63();
 
        &cmp    ("esi",0xc67178f2);
-       &jne    (&label("16_63"));
+       &jne    (&label("16_63$suffix"));
 
-       &mov    ("esi",&DWP(4*(8+16+64)+0,"esp"));#ctx
+       &mov    ("esi",&DWP(4*(9+16+64)+0,"esp"));#ctx
        # &mov  ($A,$Aoff);
        &mov    ("ebx",$Boff);
-       &mov    ("ecx",$Coff);
-       &mov    ("edi",$Doff);
+       # &mov  ("edi",$Coff);
+       &mov    ("ecx",$Doff);
        &add    ($A,&DWP(0,"esi"));
        &add    ("ebx",&DWP(4,"esi"));
-       &add    ("ecx",&DWP(8,"esi"));
-       &add    ("edi",&DWP(12,"esi"));
+       &add    ("edi",&DWP(8,"esi"));
+       &add    ("ecx",&DWP(12,"esi"));
        &mov    (&DWP(0,"esi"),$A);
        &mov    (&DWP(4,"esi"),"ebx");
-       &mov    (&DWP(8,"esi"),"ecx");
-       &mov    (&DWP(12,"esi"),"edi");
+       &mov    (&DWP(8,"esi"),"edi");
+       &mov    (&DWP(12,"esi"),"ecx");
        # &mov  ($E,$Eoff);
        &mov    ("eax",$Foff);
        &mov    ("ebx",$Goff);
        &mov    ("ecx",$Hoff);
-       &mov    ("edi",&DWP(4*(8+16+64)+4,"esp"));#inp
+       &mov    ("edi",&DWP(4*(9+16+64)+4,"esp"));#inp
        &add    ($E,&DWP(16,"esi"));
        &add    ("eax",&DWP(20,"esi"));
        &add    ("ebx",&DWP(24,"esi"));
@@ -214,33 +332,965 @@ sub BODY_00_15() {
        &mov    (&DWP(24,"esi"),"ebx");
        &mov    (&DWP(28,"esi"),"ecx");
 
-       &add    ("esp",4*(8+16+64));            # destroy frame
+       &lea    ("esp",&DWP(4*(9+16+64),"esp"));# destroy frame
        &sub    ($K256,4*64);                   # rewind K
 
        &cmp    ("edi",&DWP(8,"esp"));          # are we done yet?
-       &jb     (&label("loop"));
-
+       &jb     (&label("loop$suffix"));
+}
+       &COMPACT_LOOP();
+       &mov    ("esp",&DWP(12,"esp"));         # restore sp
+&function_end_A();
+                                               if (!$i386 && !$xmm) {
+       # ~20% improvement on Sandy Bridge
+       local *ror = sub { &shrd(@_[0],@_) };
+       &COMPACT_LOOP("_shrd");
        &mov    ("esp",&DWP(12,"esp"));         # restore sp
 &function_end_A();
+                                               }
 
 &set_label("K256",64); # Yes! I keep it in the code segment!
-       &data_word(0x428a2f98,0x71374491,0xb5c0fbcf,0xe9b5dba5);
-       &data_word(0x3956c25b,0x59f111f1,0x923f82a4,0xab1c5ed5);
-       &data_word(0xd807aa98,0x12835b01,0x243185be,0x550c7dc3);
-       &data_word(0x72be5d74,0x80deb1fe,0x9bdc06a7,0xc19bf174);
-       &data_word(0xe49b69c1,0xefbe4786,0x0fc19dc6,0x240ca1cc);
-       &data_word(0x2de92c6f,0x4a7484aa,0x5cb0a9dc,0x76f988da);
-       &data_word(0x983e5152,0xa831c66d,0xb00327c8,0xbf597fc7);
-       &data_word(0xc6e00bf3,0xd5a79147,0x06ca6351,0x14292967);
-       &data_word(0x27b70a85,0x2e1b2138,0x4d2c6dfc,0x53380d13);
-       &data_word(0x650a7354,0x766a0abb,0x81c2c92e,0x92722c85);
-       &data_word(0xa2bfe8a1,0xa81a664b,0xc24b8b70,0xc76c51a3);
-       &data_word(0xd192e819,0xd6990624,0xf40e3585,0x106aa070);
-       &data_word(0x19a4c116,0x1e376c08,0x2748774c,0x34b0bcb5);
-       &data_word(0x391c0cb3,0x4ed8aa4a,0x5b9cca4f,0x682e6ff3);
-       &data_word(0x748f82ee,0x78a5636f,0x84c87814,0x8cc70208);
-       &data_word(0x90befffa,0xa4506ceb,0xbef9a3f7,0xc67178f2);
-&function_end_B("sha256_block_data_order");
+@K256=(        0x428a2f98,0x71374491,0xb5c0fbcf,0xe9b5dba5,
+       0x3956c25b,0x59f111f1,0x923f82a4,0xab1c5ed5,
+       0xd807aa98,0x12835b01,0x243185be,0x550c7dc3,
+       0x72be5d74,0x80deb1fe,0x9bdc06a7,0xc19bf174,
+       0xe49b69c1,0xefbe4786,0x0fc19dc6,0x240ca1cc,
+       0x2de92c6f,0x4a7484aa,0x5cb0a9dc,0x76f988da,
+       0x983e5152,0xa831c66d,0xb00327c8,0xbf597fc7,
+       0xc6e00bf3,0xd5a79147,0x06ca6351,0x14292967,
+       0x27b70a85,0x2e1b2138,0x4d2c6dfc,0x53380d13,
+       0x650a7354,0x766a0abb,0x81c2c92e,0x92722c85,
+       0xa2bfe8a1,0xa81a664b,0xc24b8b70,0xc76c51a3,
+       0xd192e819,0xd6990624,0xf40e3585,0x106aa070,
+       0x19a4c116,0x1e376c08,0x2748774c,0x34b0bcb5,
+       0x391c0cb3,0x4ed8aa4a,0x5b9cca4f,0x682e6ff3,
+       0x748f82ee,0x78a5636f,0x84c87814,0x8cc70208,
+       0x90befffa,0xa4506ceb,0xbef9a3f7,0xc67178f2     );
+&data_word(@K256);
+&data_word(0x00010203,0x04050607,0x08090a0b,0x0c0d0e0f);       # byte swap mask
 &asciz("SHA256 block transform for x86, CRYPTOGAMS by <appro\@openssl.org>");
 
+($a,$b,$c,$d,$e,$f,$g,$h)=(0..7);      # offsets
+sub off { &DWP(4*(((shift)-$i)&7),"esp"); }
+
+if (!$i386 && $unroll_after) {
+my @AH=($A,$K256);
+
+&set_label("unrolled",16);
+       &lea    ("esp",&DWP(-96,"esp"));
+       # copy ctx->h[0-7] to A,B,C,D,E,F,G,H on stack
+       &mov    ($AH[0],&DWP(0,"esi"));
+       &mov    ($AH[1],&DWP(4,"esi"));
+       &mov    ("ecx",&DWP(8,"esi"));
+       &mov    ("ebx",&DWP(12,"esi"));
+       #&mov   (&DWP(0,"esp"),$AH[0]);
+       &mov    (&DWP(4,"esp"),$AH[1]);
+       &xor    ($AH[1],"ecx");         # magic
+       &mov    (&DWP(8,"esp"),"ecx");
+       &mov    (&DWP(12,"esp"),"ebx");
+       &mov    ($E,&DWP(16,"esi"));
+       &mov    ("ebx",&DWP(20,"esi"));
+       &mov    ("ecx",&DWP(24,"esi"));
+       &mov    ("esi",&DWP(28,"esi"));
+       #&mov   (&DWP(16,"esp"),$E);
+       &mov    (&DWP(20,"esp"),"ebx");
+       &mov    (&DWP(24,"esp"),"ecx");
+       &mov    (&DWP(28,"esp"),"esi");
+       &jmp    (&label("grand_loop"));
+
+&set_label("grand_loop",16);
+    # copy input block to stack reversing byte order
+    for($i=0;$i<5;$i++) {
+       &mov    ("ebx",&DWP(12*$i+0,"edi"));
+       &mov    ("ecx",&DWP(12*$i+4,"edi"));
+       &bswap  ("ebx");
+       &mov    ("esi",&DWP(12*$i+8,"edi"));
+       &bswap  ("ecx");
+       &mov    (&DWP(32+12*$i+0,"esp"),"ebx");
+       &bswap  ("esi");
+       &mov    (&DWP(32+12*$i+4,"esp"),"ecx");
+       &mov    (&DWP(32+12*$i+8,"esp"),"esi");
+    }
+       &mov    ("ebx",&DWP($i*12,"edi"));
+       &add    ("edi",64);
+       &bswap  ("ebx");
+       &mov    (&DWP(96+4,"esp"),"edi");
+       &mov    (&DWP(32+12*$i,"esp"),"ebx");
+
+    my ($t1,$t2) = ("ecx","esi");
+
+    for ($i=0;$i<64;$i++) {
+
+      if ($i>=16) {
+       &mov    ($T,$t1);                       # $t1 is preloaded
+       # &mov  ($t2,&DWP(32+4*(($i+14)&15),"esp"));
+       &ror    ($t1,18-7);
+        &mov   ("edi",$t2);
+       &ror    ($t2,19-17);
+        &xor   ($t1,$T);
+        &shr   ($T,3);
+       &ror    ($t1,7);
+        &xor   ($t2,"edi");
+        &xor   ($T,$t1);                       # T = sigma0(X[-15])
+       &ror    ($t2,17);
+        &add   ($T,&DWP(32+4*($i&15),"esp"));  # T += X[-16]
+       &shr    ("edi",10);
+        &add   ($T,&DWP(32+4*(($i+9)&15),"esp"));      # T += X[-7]
+       #&xor   ("edi",$t2)                     # sigma1(X[-2])
+       # &add  ($T,"edi");                     # T += sigma1(X[-2])
+       # &mov  (&DWP(4*(9+15),"esp"),$T);      # save X[0]
+      }
+       &mov    ($t1,$E);
+        &xor   ("edi",$t2)                     if ($i>=16);    # sigma1(X[-2])
+        &mov   ($t2,&off($f));
+       &ror    ($E,25-11);
+        &add   ($T,"edi")                      if ($i>=16);    # T += sigma1(X[-2])
+        &mov   ("edi",&off($g));
+       &xor    ($E,$t1);
+        &mov   ($T,&DWP(32+4*($i&15),"esp"))   if ($i<16);     # X[i]
+        &mov   (&DWP(32+4*($i&15),"esp"),$T)   if ($i>=16 && $i<62);   # save X[0]
+        &xor   ($t2,"edi");
+       &ror    ($E,11-6);
+        &and   ($t2,$t1);
+        &mov   (&off($e),$t1);         # save $E, modulo-scheduled
+       &xor    ($E,$t1);
+        &add   ($T,&off($h));          # T += h
+        &xor   ("edi",$t2);            # Ch(e,f,g)
+       &ror    ($E,6);                 # Sigma1(e)
+        &mov   ($t1,$AH[0]);
+        &add   ($T,"edi");             # T += Ch(e,f,g)
+
+       &ror    ($t1,22-13);
+        &mov   ($t2,$AH[0]);
+        &mov   ("edi",&off($b));
+       &xor    ($t1,$AH[0]);
+        &mov   (&off($a),$AH[0]);      # save $A, modulo-scheduled
+        &xor   ($AH[0],"edi");         # a ^= b, (b^c) in next round
+       &ror    ($t1,13-2);
+        &and   ($AH[1],$AH[0]);        # (b^c) &= (a^b)
+        &lea   ($E,&DWP(@K256[$i],$T,$E));     # T += Sigma1(1)+K[i]
+       &xor    ($t1,$t2);
+        &xor   ($AH[1],"edi");         # h = Maj(a,b,c) = Ch(a^b,c,b)
+        &mov   ($t2,&DWP(32+4*(($i+2)&15),"esp"))      if ($i>=15 && $i<63);
+       &ror    ($t1,2);                # Sigma0(a)
+
+        &add   ($AH[1],$E);            # h += T
+        &add   ($E,&off($d));          # d += T
+       &add    ($AH[1],$t1);           # h += Sigma0(a)
+        &mov   ($t1,&DWP(32+4*(($i+15)&15),"esp"))     if ($i>=15 && $i<63);
+
+       @AH = reverse(@AH);             # rotate(a,h)
+       ($t1,$t2) = ($t2,$t1);          # rotate(t1,t2)
+    }
+       &mov    ("esi",&DWP(96,"esp")); #ctx
+                                       #&mov   ($AH[0],&DWP(0,"esp"));
+       &xor    ($AH[1],"edi");         #&mov   ($AH[1],&DWP(4,"esp"));
+                                       #&mov   ("edi", &DWP(8,"esp"));
+       &mov    ("ecx",&DWP(12,"esp"));
+       &add    ($AH[0],&DWP(0,"esi"));
+       &add    ($AH[1],&DWP(4,"esi"));
+       &add    ("edi",&DWP(8,"esi"));
+       &add    ("ecx",&DWP(12,"esi"));
+       &mov    (&DWP(0,"esi"),$AH[0]);
+       &mov    (&DWP(4,"esi"),$AH[1]);
+       &mov    (&DWP(8,"esi"),"edi");
+       &mov    (&DWP(12,"esi"),"ecx");
+        #&mov  (&DWP(0,"esp"),$AH[0]);
+        &mov   (&DWP(4,"esp"),$AH[1]);
+        &xor   ($AH[1],"edi");         # magic
+        &mov   (&DWP(8,"esp"),"edi");
+        &mov   (&DWP(12,"esp"),"ecx");
+       #&mov   ($E,&DWP(16,"esp"));
+       &mov    ("edi",&DWP(20,"esp"));
+       &mov    ("ebx",&DWP(24,"esp"));
+       &mov    ("ecx",&DWP(28,"esp"));
+       &add    ($E,&DWP(16,"esi"));
+       &add    ("edi",&DWP(20,"esi"));
+       &add    ("ebx",&DWP(24,"esi"));
+       &add    ("ecx",&DWP(28,"esi"));
+       &mov    (&DWP(16,"esi"),$E);
+       &mov    (&DWP(20,"esi"),"edi");
+       &mov    (&DWP(24,"esi"),"ebx");
+       &mov    (&DWP(28,"esi"),"ecx");
+        #&mov  (&DWP(16,"esp"),$E);
+        &mov   (&DWP(20,"esp"),"edi");
+       &mov    ("edi",&DWP(96+4,"esp"));       # inp
+        &mov   (&DWP(24,"esp"),"ebx");
+        &mov   (&DWP(28,"esp"),"ecx");
+
+       &cmp    ("edi",&DWP(96+8,"esp"));       # are we done yet?
+       &jb     (&label("grand_loop"));
+
+       &mov    ("esp",&DWP(96+12,"esp"));      # restore sp
+&function_end_A();
+}
+                                               if (!$i386 && $xmm) {{{
+if ($shaext) {
+######################################################################
+# Intel SHA Extensions implementation of SHA256 update function.
+#
+my ($ctx,$inp,$end)=("esi","edi","eax");
+my ($Wi,$ABEF,$CDGH,$TMP)=map("xmm$_",(0..2,7));
+my @MSG=map("xmm$_",(3..6));
+
+sub sha256op38 {
+ my ($opcodelet,$dst,$src)=@_;
+    if ("$dst:$src" =~ /xmm([0-7]):xmm([0-7])/)
+    {  &data_byte(0x0f,0x38,$opcodelet,0xc0|($1<<3)|$2);       }
+}
+sub sha256rnds2        { sha256op38(0xcb,@_); }
+sub sha256msg1 { sha256op38(0xcc,@_); }
+sub sha256msg2 { sha256op38(0xcd,@_); }
+
+&set_label("shaext",32);
+       &sub            ("esp",32);
+
+       &movdqu         ($ABEF,&QWP(0,$ctx));           # DCBA
+       &lea            ($K256,&DWP(0x80,$K256));
+       &movdqu         ($CDGH,&QWP(16,$ctx));          # HGFE
+       &movdqa         ($TMP,&QWP(0x100-0x80,$K256));  # byte swap mask
+
+       &pshufd         ($Wi,$ABEF,0x1b);               # ABCD
+       &pshufd         ($ABEF,$ABEF,0xb1);             # CDAB
+       &pshufd         ($CDGH,$CDGH,0x1b);             # EFGH
+       &palignr        ($ABEF,$CDGH,8);                # ABEF
+       &punpcklqdq     ($CDGH,$Wi);                    # CDGH
+       &jmp            (&label("loop_shaext"));
+
+&set_label("loop_shaext",16);
+       &movdqu         (@MSG[0],&QWP(0,$inp));
+       &movdqu         (@MSG[1],&QWP(0x10,$inp));
+       &movdqu         (@MSG[2],&QWP(0x20,$inp));
+       &pshufb         (@MSG[0],$TMP);
+       &movdqu         (@MSG[3],&QWP(0x30,$inp));
+       &movdqa         (&QWP(16,"esp"),$CDGH);         # offload
+
+       &movdqa         ($Wi,&QWP(0*16-0x80,$K256));
+       &paddd          ($Wi,@MSG[0]);
+       &pshufb         (@MSG[1],$TMP);
+       &sha256rnds2    ($CDGH,$ABEF);                  # 0-3
+       &pshufd         ($Wi,$Wi,0x0e);
+       &nop            ();
+       &movdqa         (&QWP(0,"esp"),$ABEF);          # offload
+       &sha256rnds2    ($ABEF,$CDGH);
+
+       &movdqa         ($Wi,&QWP(1*16-0x80,$K256));
+       &paddd          ($Wi,@MSG[1]);
+       &pshufb         (@MSG[2],$TMP);
+       &sha256rnds2    ($CDGH,$ABEF);                  # 4-7
+       &pshufd         ($Wi,$Wi,0x0e);
+       &lea            ($inp,&DWP(0x40,$inp));
+       &sha256msg1     (@MSG[0],@MSG[1]);
+       &sha256rnds2    ($ABEF,$CDGH);
+
+       &movdqa         ($Wi,&QWP(2*16-0x80,$K256));
+       &paddd          ($Wi,@MSG[2]);
+       &pshufb         (@MSG[3],$TMP);
+       &sha256rnds2    ($CDGH,$ABEF);                  # 8-11
+       &pshufd         ($Wi,$Wi,0x0e);
+       &movdqa         ($TMP,@MSG[3]);
+       &palignr        ($TMP,@MSG[2],4);
+       &nop            ();
+       &paddd          (@MSG[0],$TMP);
+       &sha256msg1     (@MSG[1],@MSG[2]);
+       &sha256rnds2    ($ABEF,$CDGH);
+
+       &movdqa         ($Wi,&QWP(3*16-0x80,$K256));
+       &paddd          ($Wi,@MSG[3]);
+       &sha256msg2     (@MSG[0],@MSG[3]);
+       &sha256rnds2    ($CDGH,$ABEF);                  # 12-15
+       &pshufd         ($Wi,$Wi,0x0e);
+       &movdqa         ($TMP,@MSG[0]);
+       &palignr        ($TMP,@MSG[3],4);
+       &nop            ();
+       &paddd          (@MSG[1],$TMP);
+       &sha256msg1     (@MSG[2],@MSG[3]);
+       &sha256rnds2    ($ABEF,$CDGH);
+
+for($i=4;$i<16-3;$i++) {
+       &movdqa         ($Wi,&QWP($i*16-0x80,$K256));
+       &paddd          ($Wi,@MSG[0]);
+       &sha256msg2     (@MSG[1],@MSG[0]);
+       &sha256rnds2    ($CDGH,$ABEF);                  # 16-19...
+       &pshufd         ($Wi,$Wi,0x0e);
+       &movdqa         ($TMP,@MSG[1]);
+       &palignr        ($TMP,@MSG[0],4);
+       &nop            ();
+       &paddd          (@MSG[2],$TMP);
+       &sha256msg1     (@MSG[3],@MSG[0]);
+       &sha256rnds2    ($ABEF,$CDGH);
+
+       push(@MSG,shift(@MSG));
+}
+       &movdqa         ($Wi,&QWP(13*16-0x80,$K256));
+       &paddd          ($Wi,@MSG[0]);
+       &sha256msg2     (@MSG[1],@MSG[0]);
+       &sha256rnds2    ($CDGH,$ABEF);                  # 52-55
+       &pshufd         ($Wi,$Wi,0x0e);
+       &movdqa         ($TMP,@MSG[1])
+       &palignr        ($TMP,@MSG[0],4);
+       &sha256rnds2    ($ABEF,$CDGH);
+       &paddd          (@MSG[2],$TMP);
+
+       &movdqa         ($Wi,&QWP(14*16-0x80,$K256));
+       &paddd          ($Wi,@MSG[1]);
+       &sha256rnds2    ($CDGH,$ABEF);                  # 56-59
+       &pshufd         ($Wi,$Wi,0x0e);
+       &sha256msg2     (@MSG[2],@MSG[1]);
+       &movdqa         ($TMP,&QWP(0x100-0x80,$K256));  # byte swap mask
+       &sha256rnds2    ($ABEF,$CDGH);
+
+       &movdqa         ($Wi,&QWP(15*16-0x80,$K256));
+       &paddd          ($Wi,@MSG[2]);
+       &nop            ();
+       &sha256rnds2    ($CDGH,$ABEF);                  # 60-63
+       &pshufd         ($Wi,$Wi,0x0e);
+       &cmp            ($end,$inp);
+       &nop            ();
+       &sha256rnds2    ($ABEF,$CDGH);
+
+       &paddd          ($CDGH,&QWP(16,"esp"));
+       &paddd          ($ABEF,&QWP(0,"esp"));
+       &jnz            (&label("loop_shaext"));
+
+       &pshufd         ($CDGH,$CDGH,0xb1);             # DCHG
+       &pshufd         ($TMP,$ABEF,0x1b);              # FEBA
+       &pshufd         ($ABEF,$ABEF,0xb1);             # BAFE
+       &punpckhqdq     ($ABEF,$CDGH);                  # DCBA
+       &palignr        ($CDGH,$TMP,8);                 # HGFE
+
+       &mov            ("esp",&DWP(32+12,"esp"));
+       &movdqu         (&QWP(0,$ctx),$ABEF);
+       &movdqu         (&QWP(16,$ctx),$CDGH);
+&function_end_A();
+}
+
+my @X = map("xmm$_",(0..3));
+my ($t0,$t1,$t2,$t3) = map("xmm$_",(4..7));
+my @AH = ($A,$T);
+
+&set_label("SSSE3",32);
+       &lea    ("esp",&DWP(-96,"esp"));
+       # copy ctx->h[0-7] to A,B,C,D,E,F,G,H on stack
+       &mov    ($AH[0],&DWP(0,"esi"));
+       &mov    ($AH[1],&DWP(4,"esi"));
+       &mov    ("ecx",&DWP(8,"esi"));
+       &mov    ("edi",&DWP(12,"esi"));
+       #&mov   (&DWP(0,"esp"),$AH[0]);
+       &mov    (&DWP(4,"esp"),$AH[1]);
+       &xor    ($AH[1],"ecx");                 # magic
+       &mov    (&DWP(8,"esp"),"ecx");
+       &mov    (&DWP(12,"esp"),"edi");
+       &mov    ($E,&DWP(16,"esi"));
+       &mov    ("edi",&DWP(20,"esi"));
+       &mov    ("ecx",&DWP(24,"esi"));
+       &mov    ("esi",&DWP(28,"esi"));
+       #&mov   (&DWP(16,"esp"),$E);
+       &mov    (&DWP(20,"esp"),"edi");
+       &mov    ("edi",&DWP(96+4,"esp"));       # inp
+       &mov    (&DWP(24,"esp"),"ecx");
+       &mov    (&DWP(28,"esp"),"esi");
+       &movdqa ($t3,&QWP(256,$K256));
+       &jmp    (&label("grand_ssse3"));
+
+&set_label("grand_ssse3",16);
+       # load input, reverse byte order, add K256[0..15], save to stack
+       &movdqu (@X[0],&QWP(0,"edi"));
+       &movdqu (@X[1],&QWP(16,"edi"));
+       &movdqu (@X[2],&QWP(32,"edi"));
+       &movdqu (@X[3],&QWP(48,"edi"));
+       &add    ("edi",64);
+       &pshufb (@X[0],$t3);
+       &mov    (&DWP(96+4,"esp"),"edi");
+       &pshufb (@X[1],$t3);
+       &movdqa ($t0,&QWP(0,$K256));
+       &pshufb (@X[2],$t3);
+       &movdqa ($t1,&QWP(16,$K256));
+       &paddd  ($t0,@X[0]);
+       &pshufb (@X[3],$t3);
+       &movdqa ($t2,&QWP(32,$K256));
+       &paddd  ($t1,@X[1]);
+       &movdqa ($t3,&QWP(48,$K256));
+       &movdqa (&QWP(32+0,"esp"),$t0);
+       &paddd  ($t2,@X[2]);
+       &movdqa (&QWP(32+16,"esp"),$t1);
+       &paddd  ($t3,@X[3]);
+       &movdqa (&QWP(32+32,"esp"),$t2);
+       &movdqa (&QWP(32+48,"esp"),$t3);
+       &jmp    (&label("ssse3_00_47"));
+
+&set_label("ssse3_00_47",16);
+       &add            ($K256,64);
+
+sub SSSE3_00_47 () {
+my $j = shift;
+my $body = shift;
+my @X = @_;
+my @insns = (&$body,&$body,&$body,&$body);     # 120 instructions
+
+         eval(shift(@insns));
+       &movdqa         ($t0,@X[1]);
+         eval(shift(@insns));                  # @
+         eval(shift(@insns));
+       &movdqa         ($t3,@X[3]);
+         eval(shift(@insns));
+         eval(shift(@insns));
+       &palignr        ($t0,@X[0],4);          # X[1..4]
+         eval(shift(@insns));
+         eval(shift(@insns));                  # @
+         eval(shift(@insns));
+        &palignr       ($t3,@X[2],4);          # X[9..12]
+         eval(shift(@insns));
+         eval(shift(@insns));
+         eval(shift(@insns));
+       &movdqa         ($t1,$t0);
+         eval(shift(@insns));                  # @
+         eval(shift(@insns));
+       &movdqa         ($t2,$t0);
+         eval(shift(@insns));
+         eval(shift(@insns));
+       &psrld          ($t0,3);
+         eval(shift(@insns));
+         eval(shift(@insns));                  # @
+        &paddd         (@X[0],$t3);            # X[0..3] += X[9..12]
+         eval(shift(@insns));
+         eval(shift(@insns));
+       &psrld          ($t2,7);
+         eval(shift(@insns));
+         eval(shift(@insns));
+         eval(shift(@insns));                  # @
+         eval(shift(@insns));
+        &pshufd        ($t3,@X[3],0b11111010); # X[14..15]
+         eval(shift(@insns));
+         eval(shift(@insns));
+       &pslld          ($t1,32-18);
+         eval(shift(@insns));
+         eval(shift(@insns));                  # @
+       &pxor           ($t0,$t2);
+         eval(shift(@insns));
+         eval(shift(@insns));
+       &psrld          ($t2,18-7);
+         eval(shift(@insns));
+         eval(shift(@insns));
+         eval(shift(@insns));                  # @
+       &pxor           ($t0,$t1);
+         eval(shift(@insns));
+         eval(shift(@insns));
+       &pslld          ($t1,18-7);
+         eval(shift(@insns));
+         eval(shift(@insns));
+         eval(shift(@insns));                  # @
+       &pxor           ($t0,$t2);
+         eval(shift(@insns));
+         eval(shift(@insns));
+        &movdqa        ($t2,$t3);
+         eval(shift(@insns));
+         eval(shift(@insns));
+         eval(shift(@insns));                  # @
+       &pxor           ($t0,$t1);              # sigma0(X[1..4])
+         eval(shift(@insns));
+         eval(shift(@insns));
+        &psrld         ($t3,10);
+         eval(shift(@insns));
+         eval(shift(@insns));
+         eval(shift(@insns));                  # @
+       &paddd          (@X[0],$t0);            # X[0..3] += sigma0(X[1..4])
+         eval(shift(@insns));
+         eval(shift(@insns));
+        &psrlq         ($t2,17);
+         eval(shift(@insns));
+         eval(shift(@insns));
+         eval(shift(@insns));                  # @
+        &pxor          ($t3,$t2);
+         eval(shift(@insns));
+         eval(shift(@insns));
+        &psrlq         ($t2,19-17);
+         eval(shift(@insns));
+         eval(shift(@insns));
+         eval(shift(@insns));                  # @
+        &pxor          ($t3,$t2);
+         eval(shift(@insns));
+         eval(shift(@insns));
+        &pshufd        ($t3,$t3,0b10000000);
+         eval(shift(@insns));
+         eval(shift(@insns));
+         eval(shift(@insns));                  # @
+         eval(shift(@insns));
+         eval(shift(@insns));
+         eval(shift(@insns));
+         eval(shift(@insns));
+         eval(shift(@insns));                  # @
+         eval(shift(@insns));
+        &psrldq        ($t3,8);
+         eval(shift(@insns));
+         eval(shift(@insns));
+         eval(shift(@insns));
+       &paddd          (@X[0],$t3);            # X[0..1] += sigma1(X[14..15])
+         eval(shift(@insns));                  # @
+         eval(shift(@insns));
+         eval(shift(@insns));
+         eval(shift(@insns));
+         eval(shift(@insns));
+         eval(shift(@insns));                  # @
+         eval(shift(@insns));
+        &pshufd        ($t3,@X[0],0b01010000); # X[16..17]
+         eval(shift(@insns));
+         eval(shift(@insns));
+         eval(shift(@insns));
+        &movdqa        ($t2,$t3);
+         eval(shift(@insns));                  # @
+        &psrld         ($t3,10);
+         eval(shift(@insns));
+        &psrlq         ($t2,17);
+         eval(shift(@insns));
+         eval(shift(@insns));
+         eval(shift(@insns));
+         eval(shift(@insns));                  # @
+        &pxor          ($t3,$t2);
+         eval(shift(@insns));
+         eval(shift(@insns));
+        &psrlq         ($t2,19-17);
+         eval(shift(@insns));
+         eval(shift(@insns));
+         eval(shift(@insns));                  # @
+        &pxor          ($t3,$t2);
+         eval(shift(@insns));
+         eval(shift(@insns));
+         eval(shift(@insns));
+        &pshufd        ($t3,$t3,0b00001000);
+         eval(shift(@insns));
+         eval(shift(@insns));                  # @
+       &movdqa         ($t2,&QWP(16*$j,$K256));
+         eval(shift(@insns));
+         eval(shift(@insns));
+        &pslldq        ($t3,8);
+         eval(shift(@insns));
+         eval(shift(@insns));
+         eval(shift(@insns));                  # @
+         eval(shift(@insns));
+         eval(shift(@insns));
+         eval(shift(@insns));
+         eval(shift(@insns));
+         eval(shift(@insns));                  # @
+       &paddd          (@X[0],$t3);            # X[2..3] += sigma1(X[16..17])
+         eval(shift(@insns));
+         eval(shift(@insns));
+         eval(shift(@insns));
+         eval(shift(@insns));
+       &paddd          ($t2,@X[0]);
+         eval(shift(@insns));                  # @
+
+       foreach (@insns) { eval; }              # remaining instructions
+
+       &movdqa         (&QWP(32+16*$j,"esp"),$t2);
+}
+
+sub body_00_15 () {
+       (
+       '&mov   ("ecx",$E);',
+       '&ror   ($E,25-11);',
+        '&mov  ("esi",&off($f));',
+       '&xor   ($E,"ecx");',
+        '&mov  ("edi",&off($g));',
+        '&xor  ("esi","edi");',
+       '&ror   ($E,11-6);',
+        '&and  ("esi","ecx");',
+        '&mov  (&off($e),"ecx");',     # save $E, modulo-scheduled
+       '&xor   ($E,"ecx");',
+        '&xor  ("edi","esi");',        # Ch(e,f,g)
+       '&ror   ($E,6);',               # T = Sigma1(e)
+        '&mov  ("ecx",$AH[0]);',
+        '&add  ($E,"edi");',           # T += Ch(e,f,g)
+        '&mov  ("edi",&off($b));',
+       '&mov   ("esi",$AH[0]);',
+
+       '&ror   ("ecx",22-13);',
+        '&mov  (&off($a),$AH[0]);',    # save $A, modulo-scheduled
+       '&xor   ("ecx",$AH[0]);',
+        '&xor  ($AH[0],"edi");',       # a ^= b, (b^c) in next round
+        '&add  ($E,&off($h));',        # T += h
+       '&ror   ("ecx",13-2);',
+        '&and  ($AH[1],$AH[0]);',      # (b^c) &= (a^b)
+       '&xor   ("ecx","esi");',
+        '&add  ($E,&DWP(32+4*($i&15),"esp"));',        # T += K[i]+X[i]
+        '&xor  ($AH[1],"edi");',       # h = Maj(a,b,c) = Ch(a^b,c,b)
+       '&ror   ("ecx",2);',            # Sigma0(a)
+
+        '&add  ($AH[1],$E);',          # h += T
+        '&add  ($E,&off($d));',        # d += T
+       '&add   ($AH[1],"ecx");'.       # h += Sigma0(a)
+
+       '@AH = reverse(@AH); $i++;'     # rotate(a,h)
+       );
+}
+
+    for ($i=0,$j=0; $j<4; $j++) {
+       &SSSE3_00_47($j,\&body_00_15,@X);
+       push(@X,shift(@X));             # rotate(@X)
+    }
+       &cmp    (&DWP(16*$j,$K256),0x00010203);
+       &jne    (&label("ssse3_00_47"));
+
+    for ($i=0; $i<16; ) {
+       foreach(body_00_15()) { eval; }
+    }
+
+       &mov    ("esi",&DWP(96,"esp")); #ctx
+                                       #&mov   ($AH[0],&DWP(0,"esp"));
+       &xor    ($AH[1],"edi");         #&mov   ($AH[1],&DWP(4,"esp"));
+                                       #&mov   ("edi", &DWP(8,"esp"));
+       &mov    ("ecx",&DWP(12,"esp"));
+       &add    ($AH[0],&DWP(0,"esi"));
+       &add    ($AH[1],&DWP(4,"esi"));
+       &add    ("edi",&DWP(8,"esi"));
+       &add    ("ecx",&DWP(12,"esi"));
+       &mov    (&DWP(0,"esi"),$AH[0]);
+       &mov    (&DWP(4,"esi"),$AH[1]);
+       &mov    (&DWP(8,"esi"),"edi");
+       &mov    (&DWP(12,"esi"),"ecx");
+        #&mov  (&DWP(0,"esp"),$AH[0]);
+        &mov   (&DWP(4,"esp"),$AH[1]);
+        &xor   ($AH[1],"edi");                 # magic
+        &mov   (&DWP(8,"esp"),"edi");
+        &mov   (&DWP(12,"esp"),"ecx");
+       #&mov   ($E,&DWP(16,"esp"));
+       &mov    ("edi",&DWP(20,"esp"));
+       &mov    ("ecx",&DWP(24,"esp"));
+       &add    ($E,&DWP(16,"esi"));
+       &add    ("edi",&DWP(20,"esi"));
+       &add    ("ecx",&DWP(24,"esi"));
+       &mov    (&DWP(16,"esi"),$E);
+       &mov    (&DWP(20,"esi"),"edi");
+        &mov   (&DWP(20,"esp"),"edi");
+       &mov    ("edi",&DWP(28,"esp"));
+       &mov    (&DWP(24,"esi"),"ecx");
+        #&mov  (&DWP(16,"esp"),$E);
+       &add    ("edi",&DWP(28,"esi"));
+        &mov   (&DWP(24,"esp"),"ecx");
+       &mov    (&DWP(28,"esi"),"edi");
+        &mov   (&DWP(28,"esp"),"edi");
+       &mov    ("edi",&DWP(96+4,"esp"));       # inp
+
+       &movdqa ($t3,&QWP(64,$K256));
+       &sub    ($K256,3*64);                   # rewind K
+       &cmp    ("edi",&DWP(96+8,"esp"));       # are we done yet?
+       &jb     (&label("grand_ssse3"));
+
+       &mov    ("esp",&DWP(96+12,"esp"));      # restore sp
+&function_end_A();
+                                               if ($avx) {
+&set_label("AVX",32);
+                                               if ($avx>1) {
+       &and    ("edx",1<<8|1<<3);              # check for BMI2+BMI1
+       &cmp    ("edx",1<<8|1<<3);
+       &je     (&label("AVX_BMI"));
+                                               }
+       &lea    ("esp",&DWP(-96,"esp"));
+       &vzeroall       ();
+       # copy ctx->h[0-7] to A,B,C,D,E,F,G,H on stack
+       &mov    ($AH[0],&DWP(0,"esi"));
+       &mov    ($AH[1],&DWP(4,"esi"));
+       &mov    ("ecx",&DWP(8,"esi"));
+       &mov    ("edi",&DWP(12,"esi"));
+       #&mov   (&DWP(0,"esp"),$AH[0]);
+       &mov    (&DWP(4,"esp"),$AH[1]);
+       &xor    ($AH[1],"ecx");                 # magic
+       &mov    (&DWP(8,"esp"),"ecx");
+       &mov    (&DWP(12,"esp"),"edi");
+       &mov    ($E,&DWP(16,"esi"));
+       &mov    ("edi",&DWP(20,"esi"));
+       &mov    ("ecx",&DWP(24,"esi"));
+       &mov    ("esi",&DWP(28,"esi"));
+       #&mov   (&DWP(16,"esp"),$E);
+       &mov    (&DWP(20,"esp"),"edi");
+       &mov    ("edi",&DWP(96+4,"esp"));       # inp
+       &mov    (&DWP(24,"esp"),"ecx");
+       &mov    (&DWP(28,"esp"),"esi");
+       &vmovdqa        ($t3,&QWP(256,$K256));
+       &jmp    (&label("grand_avx"));
+
+&set_label("grand_avx",32);
+       # load input, reverse byte order, add K256[0..15], save to stack
+       &vmovdqu        (@X[0],&QWP(0,"edi"));
+       &vmovdqu        (@X[1],&QWP(16,"edi"));
+       &vmovdqu        (@X[2],&QWP(32,"edi"));
+       &vmovdqu        (@X[3],&QWP(48,"edi"));
+       &add            ("edi",64);
+       &vpshufb        (@X[0],@X[0],$t3);
+       &mov            (&DWP(96+4,"esp"),"edi");
+       &vpshufb        (@X[1],@X[1],$t3);
+       &vpshufb        (@X[2],@X[2],$t3);
+       &vpaddd         ($t0,@X[0],&QWP(0,$K256));
+       &vpshufb        (@X[3],@X[3],$t3);
+       &vpaddd         ($t1,@X[1],&QWP(16,$K256));
+       &vpaddd         ($t2,@X[2],&QWP(32,$K256));
+       &vpaddd         ($t3,@X[3],&QWP(48,$K256));
+       &vmovdqa        (&QWP(32+0,"esp"),$t0);
+       &vmovdqa        (&QWP(32+16,"esp"),$t1);
+       &vmovdqa        (&QWP(32+32,"esp"),$t2);
+       &vmovdqa        (&QWP(32+48,"esp"),$t3);
+       &jmp            (&label("avx_00_47"));
+
+&set_label("avx_00_47",16);
+       &add            ($K256,64);
+
+sub Xupdate_AVX () {
+       (
+       '&vpalignr      ($t0,@X[1],@X[0],4);',  # X[1..4]
+        '&vpalignr     ($t3,@X[3],@X[2],4);',  # X[9..12]
+       '&vpsrld        ($t2,$t0,7);',
+        '&vpaddd       (@X[0],@X[0],$t3);',    # X[0..3] += X[9..16]
+       '&vpsrld        ($t3,$t0,3);',
+       '&vpslld        ($t1,$t0,14);',
+       '&vpxor         ($t0,$t3,$t2);',
+        '&vpshufd      ($t3,@X[3],0b11111010)',# X[14..15]
+       '&vpsrld        ($t2,$t2,18-7);',
+       '&vpxor         ($t0,$t0,$t1);',
+       '&vpslld        ($t1,$t1,25-14);',
+       '&vpxor         ($t0,$t0,$t2);',
+        '&vpsrld       ($t2,$t3,10);',
+       '&vpxor         ($t0,$t0,$t1);',        # sigma0(X[1..4])
+        '&vpsrlq       ($t1,$t3,17);',
+       '&vpaddd        (@X[0],@X[0],$t0);',    # X[0..3] += sigma0(X[1..4])
+        '&vpxor        ($t2,$t2,$t1);',
+        '&vpsrlq       ($t3,$t3,19);',
+        '&vpxor        ($t2,$t2,$t3);',        # sigma1(X[14..15]
+        '&vpshufd      ($t3,$t2,0b10000100);',
+       '&vpsrldq       ($t3,$t3,8);',
+       '&vpaddd        (@X[0],@X[0],$t3);',    # X[0..1] += sigma1(X[14..15])
+        '&vpshufd      ($t3,@X[0],0b01010000)',# X[16..17]
+        '&vpsrld       ($t2,$t3,10);',
+        '&vpsrlq       ($t1,$t3,17);',
+        '&vpxor        ($t2,$t2,$t1);',
+        '&vpsrlq       ($t3,$t3,19);',
+        '&vpxor        ($t2,$t2,$t3);',        # sigma1(X[16..17]
+        '&vpshufd      ($t3,$t2,0b11101000);',
+       '&vpslldq       ($t3,$t3,8);',
+       '&vpaddd        (@X[0],@X[0],$t3);'     # X[2..3] += sigma1(X[16..17])
+       );
+}
+
+local *ror = sub { &shrd(@_[0],@_) };
+sub AVX_00_47 () {
+my $j = shift;
+my $body = shift;
+my @X = @_;
+my @insns = (&$body,&$body,&$body,&$body);     # 120 instructions
+my $insn;
+
+       foreach (Xupdate_AVX()) {               # 31 instructions
+           eval;
+           eval(shift(@insns));
+           eval(shift(@insns));
+           eval($insn = shift(@insns));
+           eval(shift(@insns)) if ($insn =~ /rorx/ && @insns[0] =~ /rorx/);
+       }
+       &vpaddd         ($t2,@X[0],&QWP(16*$j,$K256));
+       foreach (@insns) { eval; }              # remaining instructions
+       &vmovdqa        (&QWP(32+16*$j,"esp"),$t2);
+}
+
+    for ($i=0,$j=0; $j<4; $j++) {
+       &AVX_00_47($j,\&body_00_15,@X);
+       push(@X,shift(@X));             # rotate(@X)
+    }
+       &cmp    (&DWP(16*$j,$K256),0x00010203);
+       &jne    (&label("avx_00_47"));
+
+    for ($i=0; $i<16; ) {
+       foreach(body_00_15()) { eval; }
+    }
+
+       &mov    ("esi",&DWP(96,"esp")); #ctx
+                                       #&mov   ($AH[0],&DWP(0,"esp"));
+       &xor    ($AH[1],"edi");         #&mov   ($AH[1],&DWP(4,"esp"));
+                                       #&mov   ("edi", &DWP(8,"esp"));
+       &mov    ("ecx",&DWP(12,"esp"));
+       &add    ($AH[0],&DWP(0,"esi"));
+       &add    ($AH[1],&DWP(4,"esi"));
+       &add    ("edi",&DWP(8,"esi"));
+       &add    ("ecx",&DWP(12,"esi"));
+       &mov    (&DWP(0,"esi"),$AH[0]);
+       &mov    (&DWP(4,"esi"),$AH[1]);
+       &mov    (&DWP(8,"esi"),"edi");
+       &mov    (&DWP(12,"esi"),"ecx");
+        #&mov  (&DWP(0,"esp"),$AH[0]);
+        &mov   (&DWP(4,"esp"),$AH[1]);
+        &xor   ($AH[1],"edi");                 # magic
+        &mov   (&DWP(8,"esp"),"edi");
+        &mov   (&DWP(12,"esp"),"ecx");
+       #&mov   ($E,&DWP(16,"esp"));
+       &mov    ("edi",&DWP(20,"esp"));
+       &mov    ("ecx",&DWP(24,"esp"));
+       &add    ($E,&DWP(16,"esi"));
+       &add    ("edi",&DWP(20,"esi"));
+       &add    ("ecx",&DWP(24,"esi"));
+       &mov    (&DWP(16,"esi"),$E);
+       &mov    (&DWP(20,"esi"),"edi");
+        &mov   (&DWP(20,"esp"),"edi");
+       &mov    ("edi",&DWP(28,"esp"));
+       &mov    (&DWP(24,"esi"),"ecx");
+        #&mov  (&DWP(16,"esp"),$E);
+       &add    ("edi",&DWP(28,"esi"));
+        &mov   (&DWP(24,"esp"),"ecx");
+       &mov    (&DWP(28,"esi"),"edi");
+        &mov   (&DWP(28,"esp"),"edi");
+       &mov    ("edi",&DWP(96+4,"esp"));       # inp
+
+       &vmovdqa        ($t3,&QWP(64,$K256));
+       &sub    ($K256,3*64);                   # rewind K
+       &cmp    ("edi",&DWP(96+8,"esp"));       # are we done yet?
+       &jb     (&label("grand_avx"));
+
+       &mov    ("esp",&DWP(96+12,"esp"));      # restore sp
+       &vzeroall       ();
+&function_end_A();
+                                               if ($avx>1) {
+sub bodyx_00_15 () {                   # +10%
+       (
+       '&rorx  ("ecx",$E,6)',
+       '&rorx  ("esi",$E,11)',
+        '&mov  (&off($e),$E)',         # save $E, modulo-scheduled
+       '&rorx  ("edi",$E,25)',
+       '&xor   ("ecx","esi")',
+        '&andn ("esi",$E,&off($g))',
+       '&xor   ("ecx","edi")',         # Sigma1(e)
+        '&and  ($E,&off($f))',
+        '&mov  (&off($a),$AH[0]);',    # save $A, modulo-scheduled
+        '&or   ($E,"esi")',            # T = Ch(e,f,g)
+
+       '&rorx  ("edi",$AH[0],2)',
+       '&rorx  ("esi",$AH[0],13)',
+        '&lea  ($E,&DWP(0,$E,"ecx"))', # T += Sigma1(e)
+       '&rorx  ("ecx",$AH[0],22)',
+       '&xor   ("esi","edi")',
+        '&mov  ("edi",&off($b))',
+       '&xor   ("ecx","esi")',         # Sigma0(a)
+
+        '&xor  ($AH[0],"edi")',        # a ^= b, (b^c) in next round
+        '&add  ($E,&off($h))',         # T += h
+        '&and  ($AH[1],$AH[0])',       # (b^c) &= (a^b)
+        '&add  ($E,&DWP(32+4*($i&15),"esp"))', # T += K[i]+X[i]
+        '&xor  ($AH[1],"edi")',        # h = Maj(a,b,c) = Ch(a^b,c,b)
+
+        '&add  ("ecx",$E)',            # h += T
+        '&add  ($E,&off($d))',         # d += T
+       '&lea   ($AH[1],&DWP(0,$AH[1],"ecx"));'.        # h += Sigma0(a)
+
+       '@AH = reverse(@AH); $i++;'     # rotate(a,h)
+       );
+}
+
+&set_label("AVX_BMI",32);
+       &lea    ("esp",&DWP(-96,"esp"));
+       &vzeroall       ();
+       # copy ctx->h[0-7] to A,B,C,D,E,F,G,H on stack
+       &mov    ($AH[0],&DWP(0,"esi"));
+       &mov    ($AH[1],&DWP(4,"esi"));
+       &mov    ("ecx",&DWP(8,"esi"));
+       &mov    ("edi",&DWP(12,"esi"));
+       #&mov   (&DWP(0,"esp"),$AH[0]);
+       &mov    (&DWP(4,"esp"),$AH[1]);
+       &xor    ($AH[1],"ecx");                 # magic
+       &mov    (&DWP(8,"esp"),"ecx");
+       &mov    (&DWP(12,"esp"),"edi");
+       &mov    ($E,&DWP(16,"esi"));
+       &mov    ("edi",&DWP(20,"esi"));
+       &mov    ("ecx",&DWP(24,"esi"));
+       &mov    ("esi",&DWP(28,"esi"));
+       #&mov   (&DWP(16,"esp"),$E);
+       &mov    (&DWP(20,"esp"),"edi");
+       &mov    ("edi",&DWP(96+4,"esp"));       # inp
+       &mov    (&DWP(24,"esp"),"ecx");
+       &mov    (&DWP(28,"esp"),"esi");
+       &vmovdqa        ($t3,&QWP(256,$K256));
+       &jmp    (&label("grand_avx_bmi"));
+
+&set_label("grand_avx_bmi",32);
+       # load input, reverse byte order, add K256[0..15], save to stack
+       &vmovdqu        (@X[0],&QWP(0,"edi"));
+       &vmovdqu        (@X[1],&QWP(16,"edi"));
+       &vmovdqu        (@X[2],&QWP(32,"edi"));
+       &vmovdqu        (@X[3],&QWP(48,"edi"));
+       &add            ("edi",64);
+       &vpshufb        (@X[0],@X[0],$t3);
+       &mov            (&DWP(96+4,"esp"),"edi");
+       &vpshufb        (@X[1],@X[1],$t3);
+       &vpshufb        (@X[2],@X[2],$t3);
+       &vpaddd         ($t0,@X[0],&QWP(0,$K256));
+       &vpshufb        (@X[3],@X[3],$t3);
+       &vpaddd         ($t1,@X[1],&QWP(16,$K256));
+       &vpaddd         ($t2,@X[2],&QWP(32,$K256));
+       &vpaddd         ($t3,@X[3],&QWP(48,$K256));
+       &vmovdqa        (&QWP(32+0,"esp"),$t0);
+       &vmovdqa        (&QWP(32+16,"esp"),$t1);
+       &vmovdqa        (&QWP(32+32,"esp"),$t2);
+       &vmovdqa        (&QWP(32+48,"esp"),$t3);
+       &jmp            (&label("avx_bmi_00_47"));
+
+&set_label("avx_bmi_00_47",16);
+       &add            ($K256,64);
+
+    for ($i=0,$j=0; $j<4; $j++) {
+       &AVX_00_47($j,\&bodyx_00_15,@X);
+       push(@X,shift(@X));             # rotate(@X)
+    }
+       &cmp    (&DWP(16*$j,$K256),0x00010203);
+       &jne    (&label("avx_bmi_00_47"));
+
+    for ($i=0; $i<16; ) {
+       foreach(bodyx_00_15()) { eval; }
+    }
+
+       &mov    ("esi",&DWP(96,"esp")); #ctx
+                                       #&mov   ($AH[0],&DWP(0,"esp"));
+       &xor    ($AH[1],"edi");         #&mov   ($AH[1],&DWP(4,"esp"));
+                                       #&mov   ("edi", &DWP(8,"esp"));
+       &mov    ("ecx",&DWP(12,"esp"));
+       &add    ($AH[0],&DWP(0,"esi"));
+       &add    ($AH[1],&DWP(4,"esi"));
+       &add    ("edi",&DWP(8,"esi"));
+       &add    ("ecx",&DWP(12,"esi"));
+       &mov    (&DWP(0,"esi"),$AH[0]);
+       &mov    (&DWP(4,"esi"),$AH[1]);
+       &mov    (&DWP(8,"esi"),"edi");
+       &mov    (&DWP(12,"esi"),"ecx");
+        #&mov  (&DWP(0,"esp"),$AH[0]);
+        &mov   (&DWP(4,"esp"),$AH[1]);
+        &xor   ($AH[1],"edi");                 # magic
+        &mov   (&DWP(8,"esp"),"edi");
+        &mov   (&DWP(12,"esp"),"ecx");
+       #&mov   ($E,&DWP(16,"esp"));
+       &mov    ("edi",&DWP(20,"esp"));
+       &mov    ("ecx",&DWP(24,"esp"));
+       &add    ($E,&DWP(16,"esi"));
+       &add    ("edi",&DWP(20,"esi"));
+       &add    ("ecx",&DWP(24,"esi"));
+       &mov    (&DWP(16,"esi"),$E);
+       &mov    (&DWP(20,"esi"),"edi");
+        &mov   (&DWP(20,"esp"),"edi");
+       &mov    ("edi",&DWP(28,"esp"));
+       &mov    (&DWP(24,"esi"),"ecx");
+        #&mov  (&DWP(16,"esp"),$E);
+       &add    ("edi",&DWP(28,"esi"));
+        &mov   (&DWP(24,"esp"),"ecx");
+       &mov    (&DWP(28,"esi"),"edi");
+        &mov   (&DWP(28,"esp"),"edi");
+       &mov    ("edi",&DWP(96+4,"esp"));       # inp
+
+       &vmovdqa        ($t3,&QWP(64,$K256));
+       &sub    ($K256,3*64);                   # rewind K
+       &cmp    ("edi",&DWP(96+8,"esp"));       # are we done yet?
+       &jb     (&label("grand_avx_bmi"));
+
+       &mov    ("esp",&DWP(96+12,"esp"));      # restore sp
+       &vzeroall       ();
+&function_end_A();
+                                               }
+                                               }
+                                               }}}
+&function_end_B("sha256_block_data_order");
+
 &asm_finish();
+
+close STDOUT;