2 # Copyright 2010-2016 The OpenSSL Project Authors. All Rights Reserved.
4 # Licensed under the Apache License 2.0 (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
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 # ====================================================================
19 # The module implements "4-bit" GCM GHASH function and underlying
20 # single multiplication operation in GF(2^128). "4-bit" means that
21 # it uses 256 bytes per-key table [+128 bytes shared table]. GHASH
22 # function features so called "528B" variant utilizing additional
23 # 256+16 bytes of per-key storage [+512 bytes shared table].
24 # Performance results are for this streamed GHASH subroutine and are
25 # expressed in cycles per processed byte, less is better:
27 # gcc 3.4.x(*) assembler
30 # Opteron 19.3 7.7 +150%
31 # Core2 17.8 8.1(**) +120%
33 # VIA Nano 21.8 10.1 +115%
35 # (*) comparison is not completely fair, because C results are
36 # for vanilla "256B" implementation, while assembler results
38 # (**) it's mystery [to me] why Core2 result is not same as for
43 # Add PCLMULQDQ version performing at 2.02 cycles per processed byte.
44 # See ghash-x86.pl for background information and details about coding
47 # Special thanks to David Woodhouse for providing access to a
48 # Westmere-based system on behalf of Intel Open Source Technology Centre.
52 # Overhaul: aggregate Karatsuba post-processing, improve ILP in
53 # reduction_alg9, increase reduction aggregate factor to 4x. As for
54 # the latter. ghash-x86.pl discusses that it makes lesser sense to
55 # increase aggregate factor. Then why increase here? Critical path
56 # consists of 3 independent pclmulqdq instructions, Karatsuba post-
57 # processing and reduction. "On top" of this we lay down aggregated
58 # multiplication operations, triplets of independent pclmulqdq's. As
59 # issue rate for pclmulqdq is limited, it makes lesser sense to
60 # aggregate more multiplications than it takes to perform remaining
61 # non-multiplication operations. 2x is near-optimal coefficient for
62 # contemporary Intel CPUs (therefore modest improvement coefficient),
63 # but not for Bulldozer. Latter is because logical SIMD operations
64 # are twice as slow in comparison to Intel, so that critical path is
65 # longer. A CPU with higher pclmulqdq issue rate would also benefit
66 # from higher aggregate factor...
69 # Sandy Bridge 1.80(+8%)
70 # Ivy Bridge 1.80(+7%)
71 # Haswell 0.55(+93%) (if system doesn't support AVX)
72 # Broadwell 0.45(+110%)(if system doesn't support AVX)
73 # Skylake 0.44(+110%)(if system doesn't support AVX)
74 # Bulldozer 1.49(+27%)
75 # Silvermont 2.88(+13%)
76 # Knights L 2.12(-) (if system doesn't support AVX)
81 # ... 8x aggregate factor AVX code path is using reduction algorithm
82 # suggested by Shay Gueron[1]. Even though contemporary AVX-capable
83 # CPUs such as Sandy and Ivy Bridge can execute it, the code performs
84 # sub-optimally in comparison to above mentioned version. But thanks
85 # to Ilya Albrekht and Max Locktyukhin of Intel Corp. we knew that
86 # it performs in 0.41 cycles per byte on Haswell processor, in
87 # 0.29 on Broadwell, and in 0.36 on Skylake.
89 # Knights Landing achieves 1.09 cpb.
91 # [1] http://rt.openssl.org/Ticket/Display.html?id=2900&user=guest&pass=guest
93 # $output is the last argument if it looks like a file (it has an extension)
94 # $flavour is the first argument if it doesn't look like a file
95 $output = $#ARGV >= 0 && $ARGV[$#ARGV] =~ m|\.\w+$| ? pop : undef;
96 $flavour = $#ARGV >= 0 && $ARGV[0] !~ m|\.| ? shift : undef;
98 $win64=0; $win64=1 if ($flavour =~ /[nm]asm|mingw64/ || $output =~ /\.asm$/);
100 $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
101 ( $xlate="${dir}x86_64-xlate.pl" and -f $xlate ) or
102 ( $xlate="${dir}../../perlasm/x86_64-xlate.pl" and -f $xlate) or
103 die "can't locate x86_64-xlate.pl";
105 if (`$ENV{CC} -Wa,-v -c -o /dev/null -x assembler /dev/null 2>&1`
106 =~ /GNU assembler version ([2-9]\.[0-9]+)/) {
107 $avx = ($1>=2.20) + ($1>=2.22);
110 if (!$avx && $win64 && ($flavour =~ /nasm/ || $ENV{ASM} =~ /nasm/) &&
111 `nasm -v 2>&1` =~ /NASM version ([2-9]\.[0-9]+)/) {
112 $avx = ($1>=2.09) + ($1>=2.10);
115 if (!$avx && $win64 && ($flavour =~ /masm/ || $ENV{ASM} =~ /ml64/) &&
116 `ml64 2>&1` =~ /Version ([0-9]+)\./) {
117 $avx = ($1>=10) + ($1>=11);
120 if (!$avx && `$ENV{CC} -v 2>&1` =~ /((?:^clang|LLVM) version|.*based on LLVM) ([0-9]+\.[0-9]+)/) {
121 $avx = ($2>=3.0) + ($2>3.0);
124 open OUT,"| \"$^X\" \"$xlate\" $flavour \"$output\""
125 or die "can't call $xlate: $!";
130 # common register layout
141 # per-function register layout
145 sub LB() { my $r=shift; $r =~ s/%[er]([a-d])x/%\1l/ or
146 $r =~ s/%[er]([sd]i)/%\1l/ or
147 $r =~ s/%[er](bp)/%\1l/ or
148 $r =~ s/%(r[0-9]+)[d]?/%\1b/; $r; }
150 sub AUTOLOAD() # thunk [simplified] 32-bit style perlasm
151 { my $opcode = $AUTOLOAD; $opcode =~ s/.*:://;
153 $arg = "\$$arg" if ($arg*1 eq $arg);
154 $code .= "\t$opcode\t".join(',',$arg,reverse @_)."\n";
165 mov `&LB("$Zlo")`,`&LB("$nlo")`
166 mov `&LB("$Zlo")`,`&LB("$nhi")`
167 shl \$4,`&LB("$nlo")`
169 mov 8($Htbl,$nlo),$Zlo
170 mov ($Htbl,$nlo),$Zhi
171 and \$0xf0,`&LB("$nhi")`
180 mov ($inp,$cnt),`&LB("$nlo")`
182 xor 8($Htbl,$nhi),$Zlo
184 xor ($Htbl,$nhi),$Zhi
185 mov `&LB("$nlo")`,`&LB("$nhi")`
186 xor ($rem_4bit,$rem,8),$Zhi
188 shl \$4,`&LB("$nlo")`
197 xor 8($Htbl,$nlo),$Zlo
199 xor ($Htbl,$nlo),$Zhi
200 and \$0xf0,`&LB("$nhi")`
201 xor ($rem_4bit,$rem,8),$Zhi
212 xor 8($Htbl,$nlo),$Zlo
214 xor ($Htbl,$nlo),$Zhi
215 and \$0xf0,`&LB("$nhi")`
216 xor ($rem_4bit,$rem,8),$Zhi
224 xor 8($Htbl,$nhi),$Zlo
226 xor ($Htbl,$nhi),$Zhi
228 xor ($rem_4bit,$rem,8),$Zhi
237 .extern OPENSSL_ia32cap_P
239 .globl gcm_gmult_4bit
240 .type gcm_gmult_4bit,\@function,2
246 push %rbp # %rbp and others are pushed exclusively in
248 push %r12 # order to reuse Win64 exception handler...
257 .cfi_adjust_cfa_offset 280
261 lea .Lrem_4bit(%rip),$rem_4bit
268 lea 280+48(%rsp),%rsi
273 .cfi_def_cfa_register %rsp
277 .size gcm_gmult_4bit,.-gcm_gmult_4bit
280 # per-function register layout
286 .globl gcm_ghash_4bit
287 .type gcm_ghash_4bit,\@function,4
304 .cfi_adjust_cfa_offset 280
306 mov $inp,%r14 # reassign couple of args
312 my @nhi=("%ebx","%ecx");
313 my @rem=("%r12","%r13");
316 &sub ($Htbl,-128); # size optimization
317 &lea ($Hshr4,"16+128(%rsp)");
318 { my @lo =($nlo,$nhi);
322 for ($i=0,$j=-2;$i<18;$i++,$j++) {
323 &mov ("$j(%rsp)",&LB($dat)) if ($i>1);
324 &or ($lo[0],$tmp) if ($i>1);
325 &mov (&LB($dat),&LB($lo[1])) if ($i>0 && $i<17);
326 &shr ($lo[1],4) if ($i>0 && $i<17);
327 &mov ($tmp,$hi[1]) if ($i>0 && $i<17);
328 &shr ($hi[1],4) if ($i>0 && $i<17);
329 &mov ("8*$j($Hshr4)",$hi[0]) if ($i>1);
330 &mov ($hi[0],"16*$i+0-128($Htbl)") if ($i<16);
331 &shl (&LB($dat),4) if ($i>0 && $i<17);
332 &mov ("8*$j-128($Hshr4)",$lo[0]) if ($i>1);
333 &mov ($lo[0],"16*$i+8-128($Htbl)") if ($i<16);
334 &shl ($tmp,60) if ($i>0 && $i<17);
336 push (@lo,shift(@lo));
337 push (@hi,shift(@hi));
341 &mov ($Zlo,"8($Xi)");
342 &mov ($Zhi,"0($Xi)");
343 &add ($len,$inp); # pointer to the end of data
344 &lea ($rem_8bit,".Lrem_8bit(%rip)");
345 &jmp (".Louter_loop");
347 $code.=".align 16\n.Louter_loop:\n";
348 &xor ($Zhi,"($inp)");
349 &mov ("%rdx","8($inp)");
350 &lea ($inp,"16($inp)");
353 &mov ("8($Xi)","%rdx");
358 &mov (&LB($nlo),&LB($dat));
359 &movz ($nhi[0],&LB($dat));
363 for ($j=11,$i=0;$i<15;$i++) {
365 &xor ($Zlo,"8($Htbl,$nlo)") if ($i>0);
366 &xor ($Zhi,"($Htbl,$nlo)") if ($i>0);
367 &mov ($Zlo,"8($Htbl,$nlo)") if ($i==0);
368 &mov ($Zhi,"($Htbl,$nlo)") if ($i==0);
370 &mov (&LB($nlo),&LB($dat));
371 &xor ($Zlo,$tmp) if ($i>0);
372 &movzw ($rem[1],"($rem_8bit,$rem[1],2)") if ($i>0);
374 &movz ($nhi[1],&LB($dat));
376 &movzb ($rem[0],"(%rsp,$nhi[0])");
378 &shr ($nhi[1],4) if ($i<14);
379 &and ($nhi[1],0xf0) if ($i==14);
380 &shl ($rem[1],48) if ($i>0);
384 &xor ($Zhi,$rem[1]) if ($i>0);
387 &movz ($rem[0],&LB($rem[0]));
388 &mov ($dat,"$j($Xi)") if (--$j%4==0);
391 &xor ($Zlo,"-128($Hshr4,$nhi[0],8)");
393 &xor ($Zhi,"($Hshr4,$nhi[0],8)");
395 unshift (@nhi,pop(@nhi)); # "rotate" registers
396 unshift (@rem,pop(@rem));
398 &movzw ($rem[1],"($rem_8bit,$rem[1],2)");
399 &xor ($Zlo,"8($Htbl,$nlo)");
400 &xor ($Zhi,"($Htbl,$nlo)");
406 &movz ($rem[0],&LB($Zlo));
410 &shl (&LB($rem[0]),4);
413 &xor ($Zlo,"8($Htbl,$nhi[0])");
414 &movzw ($rem[0],"($rem_8bit,$rem[0],2)");
417 &xor ($Zhi,"($Htbl,$nhi[0])");
426 &jb (".Louter_loop");
432 lea 280+48(%rsp),%rsi
447 .cfi_def_cfa_register %rsp
451 .size gcm_ghash_4bit,.-gcm_ghash_4bit
454 ######################################################################
457 @_4args=$win64? ("%rcx","%rdx","%r8", "%r9") : # Win64 order
458 ("%rdi","%rsi","%rdx","%rcx"); # Unix order
460 ($Xi,$Xhi)=("%xmm0","%xmm1"); $Hkey="%xmm2";
461 ($T1,$T2,$T3)=("%xmm3","%xmm4","%xmm5");
463 sub clmul64x64_T2 { # minimal register pressure
464 my ($Xhi,$Xi,$Hkey,$HK)=@_;
466 if (!defined($HK)) { $HK = $T2;
469 pshufd \$0b01001110,$Xi,$T1
470 pshufd \$0b01001110,$Hkey,$T2
477 pshufd \$0b01001110,$Xi,$T1
482 pclmulqdq \$0x00,$Hkey,$Xi #######
483 pclmulqdq \$0x11,$Hkey,$Xhi #######
484 pclmulqdq \$0x00,$HK,$T1 #######
496 sub reduction_alg9 { # 17/11 times faster than Intel version
526 { my ($Htbl,$Xip)=@_4args;
530 .globl gcm_init_clmul
531 .type gcm_init_clmul,\@abi-omnipotent
537 $code.=<<___ if ($win64);
538 .LSEH_begin_gcm_init_clmul:
539 # I can't trust assembler to use specific encoding:-(
540 .byte 0x48,0x83,0xec,0x18 #sub $0x18,%rsp
541 .byte 0x0f,0x29,0x34,0x24 #movaps %xmm6,(%rsp)
545 pshufd \$0b01001110,$Hkey,$Hkey # dword swap
548 pshufd \$0b11111111,$Hkey,$T2 # broadcast uppermost dword
553 pcmpgtd $T2,$T3 # broadcast carry bit
555 por $T1,$Hkey # H<<=1
558 pand .L0x1c2_polynomial(%rip),$T3
559 pxor $T3,$Hkey # if(carry) H^=0x1c2_polynomial
562 pshufd \$0b01001110,$Hkey,$HK
566 &clmul64x64_T2 ($Xhi,$Xi,$Hkey,$HK);
567 &reduction_alg9 ($Xhi,$Xi);
569 pshufd \$0b01001110,$Hkey,$T1
570 pshufd \$0b01001110,$Xi,$T2
571 pxor $Hkey,$T1 # Karatsuba pre-processing
572 movdqu $Hkey,0x00($Htbl) # save H
573 pxor $Xi,$T2 # Karatsuba pre-processing
574 movdqu $Xi,0x10($Htbl) # save H^2
575 palignr \$8,$T1,$T2 # low part is H.lo^H.hi...
576 movdqu $T2,0x20($Htbl) # save Karatsuba "salt"
579 &clmul64x64_T2 ($Xhi,$Xi,$Hkey,$HK); # H^3
580 &reduction_alg9 ($Xhi,$Xi);
584 &clmul64x64_T2 ($Xhi,$Xi,$Hkey,$HK); # H^4
585 &reduction_alg9 ($Xhi,$Xi);
587 pshufd \$0b01001110,$T3,$T1
588 pshufd \$0b01001110,$Xi,$T2
589 pxor $T3,$T1 # Karatsuba pre-processing
590 movdqu $T3,0x30($Htbl) # save H^3
591 pxor $Xi,$T2 # Karatsuba pre-processing
592 movdqu $Xi,0x40($Htbl) # save H^4
593 palignr \$8,$T1,$T2 # low part is H^3.lo^H^3.hi...
594 movdqu $T2,0x50($Htbl) # save Karatsuba "salt"
597 $code.=<<___ if ($win64);
600 .LSEH_end_gcm_init_clmul:
605 .size gcm_init_clmul,.-gcm_init_clmul
609 { my ($Xip,$Htbl)=@_4args;
612 .globl gcm_gmult_clmul
613 .type gcm_gmult_clmul,\@abi-omnipotent
619 movdqa .Lbswap_mask(%rip),$T3
621 movdqu 0x20($Htbl),$T2
624 &clmul64x64_T2 ($Xhi,$Xi,$Hkey,$T2);
625 $code.=<<___ if (0 || (&reduction_alg9($Xhi,$Xi)&&0));
626 # experimental alternative. special thing about is that there
627 # no dependency between the two multiplications...
629 mov \$0xA040608020C0E000,%r10 # ((7..0)·0xE0)&0xff
633 movq %r11,$T3 # borrow $T3
635 pshufb $T3,$T2 # ($Xi&7)·0xE0
637 pclmulqdq \$0x00,$Xi,$T1 # ·(0xE1<<1)
640 paddd $T2,$T2 # <<(64+56+1)
642 pclmulqdq \$0x01,$T3,$Xi
643 movdqa .Lbswap_mask(%rip),$T3 # reload $T3
654 .size gcm_gmult_clmul,.-gcm_gmult_clmul
658 { my ($Xip,$Htbl,$inp,$len)=@_4args;
659 my ($Xln,$Xmn,$Xhn,$Hkey2,$HK) = map("%xmm$_",(3..7));
660 my ($T1,$T2,$T3)=map("%xmm$_",(8..10));
663 .globl gcm_ghash_clmul
664 .type gcm_ghash_clmul,\@abi-omnipotent
670 $code.=<<___ if ($win64);
672 .LSEH_begin_gcm_ghash_clmul:
673 # I can't trust assembler to use specific encoding:-(
674 .byte 0x48,0x8d,0x60,0xe0 #lea -0x20(%rax),%rsp
675 .byte 0x0f,0x29,0x70,0xe0 #movaps %xmm6,-0x20(%rax)
676 .byte 0x0f,0x29,0x78,0xf0 #movaps %xmm7,-0x10(%rax)
677 .byte 0x44,0x0f,0x29,0x00 #movaps %xmm8,0(%rax)
678 .byte 0x44,0x0f,0x29,0x48,0x10 #movaps %xmm9,0x10(%rax)
679 .byte 0x44,0x0f,0x29,0x50,0x20 #movaps %xmm10,0x20(%rax)
680 .byte 0x44,0x0f,0x29,0x58,0x30 #movaps %xmm11,0x30(%rax)
681 .byte 0x44,0x0f,0x29,0x60,0x40 #movaps %xmm12,0x40(%rax)
682 .byte 0x44,0x0f,0x29,0x68,0x50 #movaps %xmm13,0x50(%rax)
683 .byte 0x44,0x0f,0x29,0x70,0x60 #movaps %xmm14,0x60(%rax)
684 .byte 0x44,0x0f,0x29,0x78,0x70 #movaps %xmm15,0x70(%rax)
687 movdqa .Lbswap_mask(%rip),$T3
691 movdqu 0x20($Htbl),$HK
697 movdqu 0x10($Htbl),$Hkey2
700 my ($Xl,$Xm,$Xh,$Hkey3,$Hkey4)=map("%xmm$_",(11..15));
703 mov OPENSSL_ia32cap_P+4(%rip),%eax
707 and \$`1<<26|1<<22`,%eax # isolate MOVBE+XSAVE
708 cmp \$`1<<22`,%eax # check for MOVBE without XSAVE
712 mov \$0xA040608020C0E000,%rax # ((7..0)·0xE0)&0xff
713 movdqu 0x30($Htbl),$Hkey3
714 movdqu 0x40($Htbl),$Hkey4
717 # Xi+4 =[(H*Ii+3) + (H^2*Ii+2) + (H^3*Ii+1) + H^4*(Ii+Xi)] mod P
719 movdqu 0x30($inp),$Xln
720 movdqu 0x20($inp),$Xl
724 pshufd \$0b01001110,$Xln,$Xmn
726 pclmulqdq \$0x00,$Hkey,$Xln
727 pclmulqdq \$0x11,$Hkey,$Xhn
728 pclmulqdq \$0x00,$HK,$Xmn
731 pshufd \$0b01001110,$Xl,$Xm
733 pclmulqdq \$0x00,$Hkey2,$Xl
734 pclmulqdq \$0x11,$Hkey2,$Xh
735 pclmulqdq \$0x10,$HK,$Xm
738 movups 0x50($Htbl),$HK
741 movdqu 0x10($inp),$Xl
746 pshufd \$0b01001110,$Xl,$Xm
749 pclmulqdq \$0x00,$Hkey3,$Xl
751 pshufd \$0b01001110,$Xi,$T1
753 pclmulqdq \$0x11,$Hkey3,$Xh
754 pclmulqdq \$0x00,$HK,$Xm
765 pclmulqdq \$0x00,$Hkey4,$Xi
767 movdqu 0x30($inp),$Xl
769 pclmulqdq \$0x11,$Hkey4,$Xhi
771 movdqu 0x20($inp),$Xln
773 pclmulqdq \$0x10,$HK,$T1
774 pshufd \$0b01001110,$Xl,$Xm
778 movups 0x20($Htbl),$HK
780 pclmulqdq \$0x00,$Hkey,$Xl
781 pshufd \$0b01001110,$Xln,$Xmn
783 pxor $Xi,$T1 # aggregated Karatsuba post-processing
788 pclmulqdq \$0x11,$Hkey,$Xh
792 movdqa .L7_mask(%rip),$T1
796 pand $Xi,$T1 # 1st phase
799 pclmulqdq \$0x00,$HK,$Xm
803 pclmulqdq \$0x00,$Hkey2,$Xln
809 movdqa $Xi,$T2 # 2nd phase
811 pclmulqdq \$0x11,$Hkey2,$Xhn
813 movdqu 0x10($inp),$Xl
815 pclmulqdq \$0x10,$HK,$Xmn
817 movups 0x50($Htbl),$HK
825 pshufd \$0b01001110,$Xl,$Xm
829 pclmulqdq \$0x00,$Hkey3,$Xl
833 pclmulqdq \$0x11,$Hkey3,$Xh
835 pshufd \$0b01001110,$Xi,$T1
838 pclmulqdq \$0x00,$HK,$Xm
846 pclmulqdq \$0x00,$Hkey4,$Xi
847 pclmulqdq \$0x11,$Hkey4,$Xhi
848 pclmulqdq \$0x10,$HK,$T1
852 pxor $Xi,$Xhi # aggregated Karatsuba post-processing
864 &reduction_alg9($Xhi,$Xi);
868 movdqu 0x20($Htbl),$HK
876 # Xi+2 =[H*(Ii+1 + Xi+1)] mod P =
877 # [(H*Ii+1) + (H*Xi+1)] mod P =
878 # [(H*Ii+1) + H^2*(Ii+Xi)] mod P
880 movdqu ($inp),$T1 # Ii
881 movdqu 16($inp),$Xln # Ii+1
887 pshufd \$0b01001110,$Xln,$Xmn
889 pclmulqdq \$0x00,$Hkey,$Xln
890 pclmulqdq \$0x11,$Hkey,$Xhn
891 pclmulqdq \$0x00,$HK,$Xmn
893 lea 32($inp),$inp # i+=2
904 pshufd \$0b01001110,$Xi,$Xmn #
907 pclmulqdq \$0x00,$Hkey2,$Xi
908 pclmulqdq \$0x11,$Hkey2,$Xhi
909 pclmulqdq \$0x10,$HK,$Xmn
911 pxor $Xln,$Xi # (H*Ii+1) + H^2*(Ii+Xi)
913 movdqu ($inp),$T2 # Ii
914 pxor $Xi,$T1 # aggregated Karatsuba post-processing
916 movdqu 16($inp),$Xln # Ii+1
919 pxor $T2,$Xhi # "Ii+Xi", consume early
930 movdqa $Xi,$T2 # 1st phase
934 pclmulqdq \$0x00,$Hkey,$Xln #######
942 pshufd \$0b01001110,$Xhn,$Xmn
946 movdqa $Xi,$T2 # 2nd phase
948 pclmulqdq \$0x11,$Hkey,$Xhn #######
955 pclmulqdq \$0x00,$HK,$Xmn #######
964 pshufd \$0b01001110,$Xi,$Xmn #
967 pclmulqdq \$0x00,$Hkey2,$Xi
968 pclmulqdq \$0x11,$Hkey2,$Xhi
969 pclmulqdq \$0x10,$HK,$Xmn
971 pxor $Xln,$Xi # (H*Ii+1) + H^2*(Ii+Xi)
982 &reduction_alg9 ($Xhi,$Xi);
988 movdqu ($inp),$T1 # Ii
992 &clmul64x64_T2 ($Xhi,$Xi,$Hkey,$HK); # H*(Ii+Xi)
993 &reduction_alg9 ($Xhi,$Xi);
999 $code.=<<___ if ($win64);
1001 movaps 0x10(%rsp),%xmm7
1002 movaps 0x20(%rsp),%xmm8
1003 movaps 0x30(%rsp),%xmm9
1004 movaps 0x40(%rsp),%xmm10
1005 movaps 0x50(%rsp),%xmm11
1006 movaps 0x60(%rsp),%xmm12
1007 movaps 0x70(%rsp),%xmm13
1008 movaps 0x80(%rsp),%xmm14
1009 movaps 0x90(%rsp),%xmm15
1011 .LSEH_end_gcm_ghash_clmul:
1016 .size gcm_ghash_clmul,.-gcm_ghash_clmul
1022 .type gcm_init_avx,\@abi-omnipotent
1028 my ($Htbl,$Xip)=@_4args;
1031 $code.=<<___ if ($win64);
1032 .LSEH_begin_gcm_init_avx:
1033 # I can't trust assembler to use specific encoding:-(
1034 .byte 0x48,0x83,0xec,0x18 #sub $0x18,%rsp
1035 .byte 0x0f,0x29,0x34,0x24 #movaps %xmm6,(%rsp)
1040 vmovdqu ($Xip),$Hkey
1041 vpshufd \$0b01001110,$Hkey,$Hkey # dword swap
1044 vpshufd \$0b11111111,$Hkey,$T2 # broadcast uppermost dword
1045 vpsrlq \$63,$Hkey,$T1
1046 vpsllq \$1,$Hkey,$Hkey
1048 vpcmpgtd $T2,$T3,$T3 # broadcast carry bit
1050 vpor $T1,$Hkey,$Hkey # H<<=1
1053 vpand .L0x1c2_polynomial(%rip),$T3,$T3
1054 vpxor $T3,$Hkey,$Hkey # if(carry) H^=0x1c2_polynomial
1056 vpunpckhqdq $Hkey,$Hkey,$HK
1059 mov \$4,%r10 # up to H^8
1060 jmp .Linit_start_avx
1063 sub clmul64x64_avx {
1064 my ($Xhi,$Xi,$Hkey,$HK)=@_;
1066 if (!defined($HK)) { $HK = $T2;
1068 vpunpckhqdq $Xi,$Xi,$T1
1069 vpunpckhqdq $Hkey,$Hkey,$T2
1075 vpunpckhqdq $Xi,$Xi,$T1
1080 vpclmulqdq \$0x11,$Hkey,$Xi,$Xhi #######
1081 vpclmulqdq \$0x00,$Hkey,$Xi,$Xi #######
1082 vpclmulqdq \$0x00,$HK,$T1,$T1 #######
1083 vpxor $Xi,$Xhi,$T2 #
1086 vpslldq \$8,$T1,$T2 #
1097 vpsllq \$57,$Xi,$T1 # 1st phase
1102 vpslldq \$8,$T2,$T1 #
1107 vpsrlq \$1,$Xi,$T2 # 2nd phase
1112 vpsrlq \$1,$Xi,$Xi #
1113 vpxor $Xhi,$Xi,$Xi #
1120 vpalignr \$8,$T1,$T2,$T3 # low part is H.lo^H.hi...
1121 vmovdqu $T3,-0x10($Htbl) # save Karatsuba "salt"
1123 &clmul64x64_avx ($Xhi,$Xi,$Hkey,$HK); # calculate H^3,5,7
1124 &reduction_avx ($Xhi,$Xi);
1129 &clmul64x64_avx ($Xhi,$Xi,$Hkey,$HK); # calculate H^2,4,6,8
1130 &reduction_avx ($Xhi,$Xi);
1132 vpshufd \$0b01001110,$T3,$T1
1133 vpshufd \$0b01001110,$Xi,$T2
1134 vpxor $T3,$T1,$T1 # Karatsuba pre-processing
1135 vmovdqu $T3,0x00($Htbl) # save H^1,3,5,7
1136 vpxor $Xi,$T2,$T2 # Karatsuba pre-processing
1137 vmovdqu $Xi,0x10($Htbl) # save H^2,4,6,8
1138 lea 0x30($Htbl),$Htbl
1142 vpalignr \$8,$T2,$T1,$T3 # last "salt" is flipped
1143 vmovdqu $T3,-0x10($Htbl)
1147 $code.=<<___ if ($win64);
1150 .LSEH_end_gcm_init_avx:
1155 .size gcm_init_avx,.-gcm_init_avx
1161 .size gcm_init_avx,.-gcm_init_avx
1166 .globl gcm_gmult_avx
1167 .type gcm_gmult_avx,\@abi-omnipotent
1173 .size gcm_gmult_avx,.-gcm_gmult_avx
1177 .globl gcm_ghash_avx
1178 .type gcm_ghash_avx,\@abi-omnipotent
1184 my ($Xip,$Htbl,$inp,$len)=@_4args;
1188 $Xi,$Xo,$Tred,$bswap,$Ii,$Ij) = map("%xmm$_",(0..15));
1190 $code.=<<___ if ($win64);
1191 lea -0x88(%rsp),%rax
1192 .LSEH_begin_gcm_ghash_avx:
1193 # I can't trust assembler to use specific encoding:-(
1194 .byte 0x48,0x8d,0x60,0xe0 #lea -0x20(%rax),%rsp
1195 .byte 0x0f,0x29,0x70,0xe0 #movaps %xmm6,-0x20(%rax)
1196 .byte 0x0f,0x29,0x78,0xf0 #movaps %xmm7,-0x10(%rax)
1197 .byte 0x44,0x0f,0x29,0x00 #movaps %xmm8,0(%rax)
1198 .byte 0x44,0x0f,0x29,0x48,0x10 #movaps %xmm9,0x10(%rax)
1199 .byte 0x44,0x0f,0x29,0x50,0x20 #movaps %xmm10,0x20(%rax)
1200 .byte 0x44,0x0f,0x29,0x58,0x30 #movaps %xmm11,0x30(%rax)
1201 .byte 0x44,0x0f,0x29,0x60,0x40 #movaps %xmm12,0x40(%rax)
1202 .byte 0x44,0x0f,0x29,0x68,0x50 #movaps %xmm13,0x50(%rax)
1203 .byte 0x44,0x0f,0x29,0x70,0x60 #movaps %xmm14,0x60(%rax)
1204 .byte 0x44,0x0f,0x29,0x78,0x70 #movaps %xmm15,0x70(%rax)
1209 vmovdqu ($Xip),$Xi # load $Xi
1210 lea .L0x1c2_polynomial(%rip),%r10
1211 lea 0x40($Htbl),$Htbl # size optimization
1212 vmovdqu .Lbswap_mask(%rip),$bswap
1213 vpshufb $bswap,$Xi,$Xi
1218 vmovdqu 0x70($inp),$Ii # I[7]
1219 vmovdqu 0x00-0x40($Htbl),$Hkey # $Hkey^1
1220 vpshufb $bswap,$Ii,$Ii
1221 vmovdqu 0x20-0x40($Htbl),$HK
1223 vpunpckhqdq $Ii,$Ii,$T2
1224 vmovdqu 0x60($inp),$Ij # I[6]
1225 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1227 vpshufb $bswap,$Ij,$Ij
1228 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1229 vmovdqu 0x10-0x40($Htbl),$Hkey # $Hkey^2
1230 vpunpckhqdq $Ij,$Ij,$T1
1231 vmovdqu 0x50($inp),$Ii # I[5]
1232 vpclmulqdq \$0x00,$HK,$T2,$Xmi
1235 vpshufb $bswap,$Ii,$Ii
1236 vpclmulqdq \$0x00,$Hkey,$Ij,$Zlo
1237 vpunpckhqdq $Ii,$Ii,$T2
1238 vpclmulqdq \$0x11,$Hkey,$Ij,$Zhi
1239 vmovdqu 0x30-0x40($Htbl),$Hkey # $Hkey^3
1241 vmovdqu 0x40($inp),$Ij # I[4]
1242 vpclmulqdq \$0x10,$HK,$T1,$Zmi
1243 vmovdqu 0x50-0x40($Htbl),$HK
1245 vpshufb $bswap,$Ij,$Ij
1246 vpxor $Xlo,$Zlo,$Zlo
1247 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1248 vpxor $Xhi,$Zhi,$Zhi
1249 vpunpckhqdq $Ij,$Ij,$T1
1250 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1251 vmovdqu 0x40-0x40($Htbl),$Hkey # $Hkey^4
1252 vpxor $Xmi,$Zmi,$Zmi
1253 vpclmulqdq \$0x00,$HK,$T2,$Xmi
1256 vmovdqu 0x30($inp),$Ii # I[3]
1257 vpxor $Zlo,$Xlo,$Xlo
1258 vpclmulqdq \$0x00,$Hkey,$Ij,$Zlo
1259 vpxor $Zhi,$Xhi,$Xhi
1260 vpshufb $bswap,$Ii,$Ii
1261 vpclmulqdq \$0x11,$Hkey,$Ij,$Zhi
1262 vmovdqu 0x60-0x40($Htbl),$Hkey # $Hkey^5
1263 vpxor $Zmi,$Xmi,$Xmi
1264 vpunpckhqdq $Ii,$Ii,$T2
1265 vpclmulqdq \$0x10,$HK,$T1,$Zmi
1266 vmovdqu 0x80-0x40($Htbl),$HK
1269 vmovdqu 0x20($inp),$Ij # I[2]
1270 vpxor $Xlo,$Zlo,$Zlo
1271 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1272 vpxor $Xhi,$Zhi,$Zhi
1273 vpshufb $bswap,$Ij,$Ij
1274 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1275 vmovdqu 0x70-0x40($Htbl),$Hkey # $Hkey^6
1276 vpxor $Xmi,$Zmi,$Zmi
1277 vpunpckhqdq $Ij,$Ij,$T1
1278 vpclmulqdq \$0x00,$HK,$T2,$Xmi
1281 vmovdqu 0x10($inp),$Ii # I[1]
1282 vpxor $Zlo,$Xlo,$Xlo
1283 vpclmulqdq \$0x00,$Hkey,$Ij,$Zlo
1284 vpxor $Zhi,$Xhi,$Xhi
1285 vpshufb $bswap,$Ii,$Ii
1286 vpclmulqdq \$0x11,$Hkey,$Ij,$Zhi
1287 vmovdqu 0x90-0x40($Htbl),$Hkey # $Hkey^7
1288 vpxor $Zmi,$Xmi,$Xmi
1289 vpunpckhqdq $Ii,$Ii,$T2
1290 vpclmulqdq \$0x10,$HK,$T1,$Zmi
1291 vmovdqu 0xb0-0x40($Htbl),$HK
1294 vmovdqu ($inp),$Ij # I[0]
1295 vpxor $Xlo,$Zlo,$Zlo
1296 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1297 vpxor $Xhi,$Zhi,$Zhi
1298 vpshufb $bswap,$Ij,$Ij
1299 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1300 vmovdqu 0xa0-0x40($Htbl),$Hkey # $Hkey^8
1301 vpxor $Xmi,$Zmi,$Zmi
1302 vpclmulqdq \$0x10,$HK,$T2,$Xmi
1308 vpxor $Xi,$Ij,$Ij # accumulate $Xi
1314 vpunpckhqdq $Ij,$Ij,$T1
1315 vmovdqu 0x70($inp),$Ii # I[7]
1316 vpxor $Xlo,$Zlo,$Zlo
1318 vpclmulqdq \$0x00,$Hkey,$Ij,$Xi
1319 vpshufb $bswap,$Ii,$Ii
1320 vpxor $Xhi,$Zhi,$Zhi
1321 vpclmulqdq \$0x11,$Hkey,$Ij,$Xo
1322 vmovdqu 0x00-0x40($Htbl),$Hkey # $Hkey^1
1323 vpunpckhqdq $Ii,$Ii,$T2
1324 vpxor $Xmi,$Zmi,$Zmi
1325 vpclmulqdq \$0x00,$HK,$T1,$Tred
1326 vmovdqu 0x20-0x40($Htbl),$HK
1329 vmovdqu 0x60($inp),$Ij # I[6]
1330 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1331 vpxor $Zlo,$Xi,$Xi # collect result
1332 vpshufb $bswap,$Ij,$Ij
1333 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1335 vmovdqu 0x10-0x40($Htbl),$Hkey # $Hkey^2
1336 vpunpckhqdq $Ij,$Ij,$T1
1337 vpclmulqdq \$0x00,$HK, $T2,$Xmi
1338 vpxor $Zmi,$Tred,$Tred
1341 vmovdqu 0x50($inp),$Ii # I[5]
1342 vpxor $Xi,$Tred,$Tred # aggregated Karatsuba post-processing
1343 vpclmulqdq \$0x00,$Hkey,$Ij,$Zlo
1344 vpxor $Xo,$Tred,$Tred
1345 vpslldq \$8,$Tred,$T2
1346 vpxor $Xlo,$Zlo,$Zlo
1347 vpclmulqdq \$0x11,$Hkey,$Ij,$Zhi
1348 vpsrldq \$8,$Tred,$Tred
1350 vmovdqu 0x30-0x40($Htbl),$Hkey # $Hkey^3
1351 vpshufb $bswap,$Ii,$Ii
1352 vxorps $Tred,$Xo, $Xo
1353 vpxor $Xhi,$Zhi,$Zhi
1354 vpunpckhqdq $Ii,$Ii,$T2
1355 vpclmulqdq \$0x10,$HK, $T1,$Zmi
1356 vmovdqu 0x50-0x40($Htbl),$HK
1358 vpxor $Xmi,$Zmi,$Zmi
1360 vmovdqu 0x40($inp),$Ij # I[4]
1361 vpalignr \$8,$Xi,$Xi,$Tred # 1st phase
1362 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1363 vpshufb $bswap,$Ij,$Ij
1364 vpxor $Zlo,$Xlo,$Xlo
1365 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1366 vmovdqu 0x40-0x40($Htbl),$Hkey # $Hkey^4
1367 vpunpckhqdq $Ij,$Ij,$T1
1368 vpxor $Zhi,$Xhi,$Xhi
1369 vpclmulqdq \$0x00,$HK, $T2,$Xmi
1371 vpxor $Zmi,$Xmi,$Xmi
1373 vmovdqu 0x30($inp),$Ii # I[3]
1374 vpclmulqdq \$0x10,(%r10),$Xi,$Xi
1375 vpclmulqdq \$0x00,$Hkey,$Ij,$Zlo
1376 vpshufb $bswap,$Ii,$Ii
1377 vpxor $Xlo,$Zlo,$Zlo
1378 vpclmulqdq \$0x11,$Hkey,$Ij,$Zhi
1379 vmovdqu 0x60-0x40($Htbl),$Hkey # $Hkey^5
1380 vpunpckhqdq $Ii,$Ii,$T2
1381 vpxor $Xhi,$Zhi,$Zhi
1382 vpclmulqdq \$0x10,$HK, $T1,$Zmi
1383 vmovdqu 0x80-0x40($Htbl),$HK
1385 vpxor $Xmi,$Zmi,$Zmi
1387 vmovdqu 0x20($inp),$Ij # I[2]
1388 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1389 vpshufb $bswap,$Ij,$Ij
1390 vpxor $Zlo,$Xlo,$Xlo
1391 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1392 vmovdqu 0x70-0x40($Htbl),$Hkey # $Hkey^6
1393 vpunpckhqdq $Ij,$Ij,$T1
1394 vpxor $Zhi,$Xhi,$Xhi
1395 vpclmulqdq \$0x00,$HK, $T2,$Xmi
1397 vpxor $Zmi,$Xmi,$Xmi
1398 vxorps $Tred,$Xi,$Xi
1400 vmovdqu 0x10($inp),$Ii # I[1]
1401 vpalignr \$8,$Xi,$Xi,$Tred # 2nd phase
1402 vpclmulqdq \$0x00,$Hkey,$Ij,$Zlo
1403 vpshufb $bswap,$Ii,$Ii
1404 vpxor $Xlo,$Zlo,$Zlo
1405 vpclmulqdq \$0x11,$Hkey,$Ij,$Zhi
1406 vmovdqu 0x90-0x40($Htbl),$Hkey # $Hkey^7
1407 vpclmulqdq \$0x10,(%r10),$Xi,$Xi
1408 vxorps $Xo,$Tred,$Tred
1409 vpunpckhqdq $Ii,$Ii,$T2
1410 vpxor $Xhi,$Zhi,$Zhi
1411 vpclmulqdq \$0x10,$HK, $T1,$Zmi
1412 vmovdqu 0xb0-0x40($Htbl),$HK
1414 vpxor $Xmi,$Zmi,$Zmi
1416 vmovdqu ($inp),$Ij # I[0]
1417 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1418 vpshufb $bswap,$Ij,$Ij
1419 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1420 vmovdqu 0xa0-0x40($Htbl),$Hkey # $Hkey^8
1422 vpclmulqdq \$0x10,$HK, $T2,$Xmi
1423 vpxor $Xi,$Ij,$Ij # accumulate $Xi
1430 jmp .Ltail_no_xor_avx
1434 vmovdqu -0x10($inp,$len),$Ii # very last word
1435 lea ($inp,$len),$inp
1436 vmovdqu 0x00-0x40($Htbl),$Hkey # $Hkey^1
1437 vmovdqu 0x20-0x40($Htbl),$HK
1438 vpshufb $bswap,$Ii,$Ij
1440 vmovdqa $Xlo,$Zlo # subtle way to zero $Zlo,
1441 vmovdqa $Xhi,$Zhi # $Zhi and
1442 vmovdqa $Xmi,$Zmi # $Zmi
1446 vpunpckhqdq $Ij,$Ij,$T1
1447 vpxor $Xlo,$Zlo,$Zlo
1448 vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo
1450 vmovdqu -0x20($inp),$Ii
1451 vpxor $Xhi,$Zhi,$Zhi
1452 vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi
1453 vmovdqu 0x10-0x40($Htbl),$Hkey # $Hkey^2
1454 vpshufb $bswap,$Ii,$Ij
1455 vpxor $Xmi,$Zmi,$Zmi
1456 vpclmulqdq \$0x00,$HK,$T1,$Xmi
1461 vpunpckhqdq $Ij,$Ij,$T1
1462 vpxor $Xlo,$Zlo,$Zlo
1463 vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo
1465 vmovdqu -0x30($inp),$Ii
1466 vpxor $Xhi,$Zhi,$Zhi
1467 vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi
1468 vmovdqu 0x30-0x40($Htbl),$Hkey # $Hkey^3
1469 vpshufb $bswap,$Ii,$Ij
1470 vpxor $Xmi,$Zmi,$Zmi
1471 vpclmulqdq \$0x00,$HK,$T1,$Xmi
1472 vmovdqu 0x50-0x40($Htbl),$HK
1476 vpunpckhqdq $Ij,$Ij,$T1
1477 vpxor $Xlo,$Zlo,$Zlo
1478 vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo
1480 vmovdqu -0x40($inp),$Ii
1481 vpxor $Xhi,$Zhi,$Zhi
1482 vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi
1483 vmovdqu 0x40-0x40($Htbl),$Hkey # $Hkey^4
1484 vpshufb $bswap,$Ii,$Ij
1485 vpxor $Xmi,$Zmi,$Zmi
1486 vpclmulqdq \$0x00,$HK,$T1,$Xmi
1491 vpunpckhqdq $Ij,$Ij,$T1
1492 vpxor $Xlo,$Zlo,$Zlo
1493 vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo
1495 vmovdqu -0x50($inp),$Ii
1496 vpxor $Xhi,$Zhi,$Zhi
1497 vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi
1498 vmovdqu 0x60-0x40($Htbl),$Hkey # $Hkey^5
1499 vpshufb $bswap,$Ii,$Ij
1500 vpxor $Xmi,$Zmi,$Zmi
1501 vpclmulqdq \$0x00,$HK,$T1,$Xmi
1502 vmovdqu 0x80-0x40($Htbl),$HK
1506 vpunpckhqdq $Ij,$Ij,$T1
1507 vpxor $Xlo,$Zlo,$Zlo
1508 vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo
1510 vmovdqu -0x60($inp),$Ii
1511 vpxor $Xhi,$Zhi,$Zhi
1512 vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi
1513 vmovdqu 0x70-0x40($Htbl),$Hkey # $Hkey^6
1514 vpshufb $bswap,$Ii,$Ij
1515 vpxor $Xmi,$Zmi,$Zmi
1516 vpclmulqdq \$0x00,$HK,$T1,$Xmi
1521 vpunpckhqdq $Ij,$Ij,$T1
1522 vpxor $Xlo,$Zlo,$Zlo
1523 vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo
1525 vmovdqu -0x70($inp),$Ii
1526 vpxor $Xhi,$Zhi,$Zhi
1527 vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi
1528 vmovdqu 0x90-0x40($Htbl),$Hkey # $Hkey^7
1529 vpshufb $bswap,$Ii,$Ij
1530 vpxor $Xmi,$Zmi,$Zmi
1531 vpclmulqdq \$0x00,$HK,$T1,$Xmi
1532 vmovq 0xb8-0x40($Htbl),$HK
1538 vpxor $Xi,$Ij,$Ij # accumulate $Xi
1540 vpunpckhqdq $Ij,$Ij,$T1
1541 vpxor $Xlo,$Zlo,$Zlo
1542 vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo
1544 vpxor $Xhi,$Zhi,$Zhi
1545 vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi
1546 vpxor $Xmi,$Zmi,$Zmi
1547 vpclmulqdq \$0x00,$HK,$T1,$Xmi
1549 vmovdqu (%r10),$Tred
1553 vpxor $Xmi,$Zmi,$Zmi
1555 vpxor $Xi, $Zmi,$Zmi # aggregated Karatsuba post-processing
1556 vpxor $Xo, $Zmi,$Zmi
1557 vpslldq \$8, $Zmi,$T2
1558 vpsrldq \$8, $Zmi,$Zmi
1562 vpclmulqdq \$0x10,$Tred,$Xi,$T2 # 1st phase
1563 vpalignr \$8,$Xi,$Xi,$Xi
1566 vpclmulqdq \$0x10,$Tred,$Xi,$T2 # 2nd phase
1567 vpalignr \$8,$Xi,$Xi,$Xi
1574 vpshufb $bswap,$Xi,$Xi
1578 $code.=<<___ if ($win64);
1580 movaps 0x10(%rsp),%xmm7
1581 movaps 0x20(%rsp),%xmm8
1582 movaps 0x30(%rsp),%xmm9
1583 movaps 0x40(%rsp),%xmm10
1584 movaps 0x50(%rsp),%xmm11
1585 movaps 0x60(%rsp),%xmm12
1586 movaps 0x70(%rsp),%xmm13
1587 movaps 0x80(%rsp),%xmm14
1588 movaps 0x90(%rsp),%xmm15
1590 .LSEH_end_gcm_ghash_avx:
1595 .size gcm_ghash_avx,.-gcm_ghash_avx
1601 .size gcm_ghash_avx,.-gcm_ghash_avx
1608 .byte 15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0
1610 .byte 1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0xc2
1614 .long 7,0,`0xE1<<1`,0
1616 .type .Lrem_4bit,\@object
1618 .long 0,`0x0000<<16`,0,`0x1C20<<16`,0,`0x3840<<16`,0,`0x2460<<16`
1619 .long 0,`0x7080<<16`,0,`0x6CA0<<16`,0,`0x48C0<<16`,0,`0x54E0<<16`
1620 .long 0,`0xE100<<16`,0,`0xFD20<<16`,0,`0xD940<<16`,0,`0xC560<<16`
1621 .long 0,`0x9180<<16`,0,`0x8DA0<<16`,0,`0xA9C0<<16`,0,`0xB5E0<<16`
1622 .type .Lrem_8bit,\@object
1624 .value 0x0000,0x01C2,0x0384,0x0246,0x0708,0x06CA,0x048C,0x054E
1625 .value 0x0E10,0x0FD2,0x0D94,0x0C56,0x0918,0x08DA,0x0A9C,0x0B5E
1626 .value 0x1C20,0x1DE2,0x1FA4,0x1E66,0x1B28,0x1AEA,0x18AC,0x196E
1627 .value 0x1230,0x13F2,0x11B4,0x1076,0x1538,0x14FA,0x16BC,0x177E
1628 .value 0x3840,0x3982,0x3BC4,0x3A06,0x3F48,0x3E8A,0x3CCC,0x3D0E
1629 .value 0x3650,0x3792,0x35D4,0x3416,0x3158,0x309A,0x32DC,0x331E
1630 .value 0x2460,0x25A2,0x27E4,0x2626,0x2368,0x22AA,0x20EC,0x212E
1631 .value 0x2A70,0x2BB2,0x29F4,0x2836,0x2D78,0x2CBA,0x2EFC,0x2F3E
1632 .value 0x7080,0x7142,0x7304,0x72C6,0x7788,0x764A,0x740C,0x75CE
1633 .value 0x7E90,0x7F52,0x7D14,0x7CD6,0x7998,0x785A,0x7A1C,0x7BDE
1634 .value 0x6CA0,0x6D62,0x6F24,0x6EE6,0x6BA8,0x6A6A,0x682C,0x69EE
1635 .value 0x62B0,0x6372,0x6134,0x60F6,0x65B8,0x647A,0x663C,0x67FE
1636 .value 0x48C0,0x4902,0x4B44,0x4A86,0x4FC8,0x4E0A,0x4C4C,0x4D8E
1637 .value 0x46D0,0x4712,0x4554,0x4496,0x41D8,0x401A,0x425C,0x439E
1638 .value 0x54E0,0x5522,0x5764,0x56A6,0x53E8,0x522A,0x506C,0x51AE
1639 .value 0x5AF0,0x5B32,0x5974,0x58B6,0x5DF8,0x5C3A,0x5E7C,0x5FBE
1640 .value 0xE100,0xE0C2,0xE284,0xE346,0xE608,0xE7CA,0xE58C,0xE44E
1641 .value 0xEF10,0xEED2,0xEC94,0xED56,0xE818,0xE9DA,0xEB9C,0xEA5E
1642 .value 0xFD20,0xFCE2,0xFEA4,0xFF66,0xFA28,0xFBEA,0xF9AC,0xF86E
1643 .value 0xF330,0xF2F2,0xF0B4,0xF176,0xF438,0xF5FA,0xF7BC,0xF67E
1644 .value 0xD940,0xD882,0xDAC4,0xDB06,0xDE48,0xDF8A,0xDDCC,0xDC0E
1645 .value 0xD750,0xD692,0xD4D4,0xD516,0xD058,0xD19A,0xD3DC,0xD21E
1646 .value 0xC560,0xC4A2,0xC6E4,0xC726,0xC268,0xC3AA,0xC1EC,0xC02E
1647 .value 0xCB70,0xCAB2,0xC8F4,0xC936,0xCC78,0xCDBA,0xCFFC,0xCE3E
1648 .value 0x9180,0x9042,0x9204,0x93C6,0x9688,0x974A,0x950C,0x94CE
1649 .value 0x9F90,0x9E52,0x9C14,0x9DD6,0x9898,0x995A,0x9B1C,0x9ADE
1650 .value 0x8DA0,0x8C62,0x8E24,0x8FE6,0x8AA8,0x8B6A,0x892C,0x88EE
1651 .value 0x83B0,0x8272,0x8034,0x81F6,0x84B8,0x857A,0x873C,0x86FE
1652 .value 0xA9C0,0xA802,0xAA44,0xAB86,0xAEC8,0xAF0A,0xAD4C,0xAC8E
1653 .value 0xA7D0,0xA612,0xA454,0xA596,0xA0D8,0xA11A,0xA35C,0xA29E
1654 .value 0xB5E0,0xB422,0xB664,0xB7A6,0xB2E8,0xB32A,0xB16C,0xB0AE
1655 .value 0xBBF0,0xBA32,0xB874,0xB9B6,0xBCF8,0xBD3A,0xBF7C,0xBEBE
1657 .asciz "GHASH for x86_64, CRYPTOGAMS by <appro\@openssl.org>"
1661 # EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame,
1662 # CONTEXT *context,DISPATCHER_CONTEXT *disp)
1670 .extern __imp_RtlVirtualUnwind
1671 .type se_handler,\@abi-omnipotent
1685 mov 120($context),%rax # pull context->Rax
1686 mov 248($context),%rbx # pull context->Rip
1688 mov 8($disp),%rsi # disp->ImageBase
1689 mov 56($disp),%r11 # disp->HandlerData
1691 mov 0(%r11),%r10d # HandlerData[0]
1692 lea (%rsi,%r10),%r10 # prologue label
1693 cmp %r10,%rbx # context->Rip<prologue label
1696 mov 152($context),%rax # pull context->Rsp
1698 mov 4(%r11),%r10d # HandlerData[1]
1699 lea (%rsi,%r10),%r10 # epilogue label
1700 cmp %r10,%rbx # context->Rip>=epilogue label
1703 lea 48+280(%rax),%rax # adjust "rsp"
1711 mov %rbx,144($context) # restore context->Rbx
1712 mov %rbp,160($context) # restore context->Rbp
1713 mov %r12,216($context) # restore context->R12
1714 mov %r13,224($context) # restore context->R13
1715 mov %r14,232($context) # restore context->R14
1716 mov %r15,240($context) # restore context->R15
1721 mov %rax,152($context) # restore context->Rsp
1722 mov %rsi,168($context) # restore context->Rsi
1723 mov %rdi,176($context) # restore context->Rdi
1725 mov 40($disp),%rdi # disp->ContextRecord
1726 mov $context,%rsi # context
1727 mov \$`1232/8`,%ecx # sizeof(CONTEXT)
1728 .long 0xa548f3fc # cld; rep movsq
1731 xor %rcx,%rcx # arg1, UNW_FLAG_NHANDLER
1732 mov 8(%rsi),%rdx # arg2, disp->ImageBase
1733 mov 0(%rsi),%r8 # arg3, disp->ControlPc
1734 mov 16(%rsi),%r9 # arg4, disp->FunctionEntry
1735 mov 40(%rsi),%r10 # disp->ContextRecord
1736 lea 56(%rsi),%r11 # &disp->HandlerData
1737 lea 24(%rsi),%r12 # &disp->EstablisherFrame
1738 mov %r10,32(%rsp) # arg5
1739 mov %r11,40(%rsp) # arg6
1740 mov %r12,48(%rsp) # arg7
1741 mov %rcx,56(%rsp) # arg8, (NULL)
1742 call *__imp_RtlVirtualUnwind(%rip)
1744 mov \$1,%eax # ExceptionContinueSearch
1756 .size se_handler,.-se_handler
1760 .rva .LSEH_begin_gcm_gmult_4bit
1761 .rva .LSEH_end_gcm_gmult_4bit
1762 .rva .LSEH_info_gcm_gmult_4bit
1764 .rva .LSEH_begin_gcm_ghash_4bit
1765 .rva .LSEH_end_gcm_ghash_4bit
1766 .rva .LSEH_info_gcm_ghash_4bit
1768 .rva .LSEH_begin_gcm_init_clmul
1769 .rva .LSEH_end_gcm_init_clmul
1770 .rva .LSEH_info_gcm_init_clmul
1772 .rva .LSEH_begin_gcm_ghash_clmul
1773 .rva .LSEH_end_gcm_ghash_clmul
1774 .rva .LSEH_info_gcm_ghash_clmul
1776 $code.=<<___ if ($avx);
1777 .rva .LSEH_begin_gcm_init_avx
1778 .rva .LSEH_end_gcm_init_avx
1779 .rva .LSEH_info_gcm_init_clmul
1781 .rva .LSEH_begin_gcm_ghash_avx
1782 .rva .LSEH_end_gcm_ghash_avx
1783 .rva .LSEH_info_gcm_ghash_clmul
1788 .LSEH_info_gcm_gmult_4bit:
1791 .rva .Lgmult_prologue,.Lgmult_epilogue # HandlerData
1792 .LSEH_info_gcm_ghash_4bit:
1795 .rva .Lghash_prologue,.Lghash_epilogue # HandlerData
1796 .LSEH_info_gcm_init_clmul:
1797 .byte 0x01,0x08,0x03,0x00
1798 .byte 0x08,0x68,0x00,0x00 #movaps 0x00(rsp),xmm6
1799 .byte 0x04,0x22,0x00,0x00 #sub rsp,0x18
1800 .LSEH_info_gcm_ghash_clmul:
1801 .byte 0x01,0x33,0x16,0x00
1802 .byte 0x33,0xf8,0x09,0x00 #movaps 0x90(rsp),xmm15
1803 .byte 0x2e,0xe8,0x08,0x00 #movaps 0x80(rsp),xmm14
1804 .byte 0x29,0xd8,0x07,0x00 #movaps 0x70(rsp),xmm13
1805 .byte 0x24,0xc8,0x06,0x00 #movaps 0x60(rsp),xmm12
1806 .byte 0x1f,0xb8,0x05,0x00 #movaps 0x50(rsp),xmm11
1807 .byte 0x1a,0xa8,0x04,0x00 #movaps 0x40(rsp),xmm10
1808 .byte 0x15,0x98,0x03,0x00 #movaps 0x30(rsp),xmm9
1809 .byte 0x10,0x88,0x02,0x00 #movaps 0x20(rsp),xmm8
1810 .byte 0x0c,0x78,0x01,0x00 #movaps 0x10(rsp),xmm7
1811 .byte 0x08,0x68,0x00,0x00 #movaps 0x00(rsp),xmm6
1812 .byte 0x04,0x01,0x15,0x00 #sub rsp,0xa8
1816 $code =~ s/\`([^\`]*)\`/eval($1)/gem;
1820 close STDOUT or die "error closing STDOUT";