2 # Copyright 2010-2019 The OpenSSL Project Authors. All Rights Reserved.
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
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
95 if ($flavour =~ /\./) { $output = $flavour; undef $flavour; }
97 $win64=0; $win64=1 if ($flavour =~ /[nm]asm|mingw64/ || $output =~ /\.asm$/);
99 $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
100 ( $xlate="${dir}x86_64-xlate.pl" and -f $xlate ) or
101 ( $xlate="${dir}../../perlasm/x86_64-xlate.pl" and -f $xlate) or
102 die "can't locate x86_64-xlate.pl";
104 if (`$ENV{CC} -Wa,-v -c -o /dev/null -x assembler /dev/null 2>&1`
105 =~ /GNU assembler version ([2-9]\.[0-9]+)/) {
106 $avx = ($1>=2.20) + ($1>=2.22);
109 if (!$avx && $win64 && ($flavour =~ /nasm/ || $ENV{ASM} =~ /nasm/) &&
110 `nasm -v 2>&1` =~ /NASM version ([2-9]\.[0-9]+)/) {
111 $avx = ($1>=2.09) + ($1>=2.10);
114 if (!$avx && $win64 && ($flavour =~ /masm/ || $ENV{ASM} =~ /ml64/) &&
115 `ml64 2>&1` =~ /Version ([0-9]+)\./) {
116 $avx = ($1>=10) + ($1>=11);
119 if (!$avx && `$ENV{CC} -v 2>&1` =~ /((?:^clang|LLVM) version|.*based on LLVM) ([3-9]\.[0-9]+)/) {
120 $avx = ($2>=3.0) + ($2>3.0);
123 open OUT,"| \"$^X\" \"$xlate\" $flavour \"$output\"";
128 # common register layout
139 # per-function register layout
143 sub LB() { my $r=shift; $r =~ s/%[er]([a-d])x/%\1l/ or
144 $r =~ s/%[er]([sd]i)/%\1l/ or
145 $r =~ s/%[er](bp)/%\1l/ or
146 $r =~ s/%(r[0-9]+)[d]?/%\1b/; $r; }
148 sub AUTOLOAD() # thunk [simplified] 32-bit style perlasm
149 { my $opcode = $AUTOLOAD; $opcode =~ s/.*:://;
151 $arg = "\$$arg" if ($arg*1 eq $arg);
152 $code .= "\t$opcode\t".join(',',$arg,reverse @_)."\n";
163 mov `&LB("$Zlo")`,`&LB("$nlo")`
164 mov `&LB("$Zlo")`,`&LB("$nhi")`
165 shl \$4,`&LB("$nlo")`
167 mov 8($Htbl,$nlo),$Zlo
168 mov ($Htbl,$nlo),$Zhi
169 and \$0xf0,`&LB("$nhi")`
178 mov ($inp,$cnt),`&LB("$nlo")`
180 xor 8($Htbl,$nhi),$Zlo
182 xor ($Htbl,$nhi),$Zhi
183 mov `&LB("$nlo")`,`&LB("$nhi")`
184 xor ($rem_4bit,$rem,8),$Zhi
186 shl \$4,`&LB("$nlo")`
195 xor 8($Htbl,$nlo),$Zlo
197 xor ($Htbl,$nlo),$Zhi
198 and \$0xf0,`&LB("$nhi")`
199 xor ($rem_4bit,$rem,8),$Zhi
210 xor 8($Htbl,$nlo),$Zlo
212 xor ($Htbl,$nlo),$Zhi
213 and \$0xf0,`&LB("$nhi")`
214 xor ($rem_4bit,$rem,8),$Zhi
222 xor 8($Htbl,$nhi),$Zlo
224 xor ($Htbl,$nhi),$Zhi
226 xor ($rem_4bit,$rem,8),$Zhi
235 .extern OPENSSL_ia32cap_P
237 .globl gcm_gmult_4bit
238 .type gcm_gmult_4bit,\@function,2
244 push %rbp # %rbp and others are pushed exclusively in
246 push %r12 # order to reuse Win64 exception handler...
255 .cfi_adjust_cfa_offset 280
259 lea .Lrem_4bit(%rip),$rem_4bit
266 lea 280+48(%rsp),%rsi
271 .cfi_def_cfa_register %rsp
275 .size gcm_gmult_4bit,.-gcm_gmult_4bit
278 # per-function register layout
284 .globl gcm_ghash_4bit
285 .type gcm_ghash_4bit,\@function,4
302 .cfi_adjust_cfa_offset 280
304 mov $inp,%r14 # reassign couple of args
310 my @nhi=("%ebx","%ecx");
311 my @rem=("%r12","%r13");
314 &sub ($Htbl,-128); # size optimization
315 &lea ($Hshr4,"16+128(%rsp)");
316 { my @lo =($nlo,$nhi);
320 for ($i=0,$j=-2;$i<18;$i++,$j++) {
321 &mov ("$j(%rsp)",&LB($dat)) if ($i>1);
322 &or ($lo[0],$tmp) if ($i>1);
323 &mov (&LB($dat),&LB($lo[1])) if ($i>0 && $i<17);
324 &shr ($lo[1],4) if ($i>0 && $i<17);
325 &mov ($tmp,$hi[1]) if ($i>0 && $i<17);
326 &shr ($hi[1],4) if ($i>0 && $i<17);
327 &mov ("8*$j($Hshr4)",$hi[0]) if ($i>1);
328 &mov ($hi[0],"16*$i+0-128($Htbl)") if ($i<16);
329 &shl (&LB($dat),4) if ($i>0 && $i<17);
330 &mov ("8*$j-128($Hshr4)",$lo[0]) if ($i>1);
331 &mov ($lo[0],"16*$i+8-128($Htbl)") if ($i<16);
332 &shl ($tmp,60) if ($i>0 && $i<17);
334 push (@lo,shift(@lo));
335 push (@hi,shift(@hi));
339 &mov ($Zlo,"8($Xi)");
340 &mov ($Zhi,"0($Xi)");
341 &add ($len,$inp); # pointer to the end of data
342 &lea ($rem_8bit,".Lrem_8bit(%rip)");
343 &jmp (".Louter_loop");
345 $code.=".align 16\n.Louter_loop:\n";
346 &xor ($Zhi,"($inp)");
347 &mov ("%rdx","8($inp)");
348 &lea ($inp,"16($inp)");
351 &mov ("8($Xi)","%rdx");
356 &mov (&LB($nlo),&LB($dat));
357 &movz ($nhi[0],&LB($dat));
361 for ($j=11,$i=0;$i<15;$i++) {
363 &xor ($Zlo,"8($Htbl,$nlo)") if ($i>0);
364 &xor ($Zhi,"($Htbl,$nlo)") if ($i>0);
365 &mov ($Zlo,"8($Htbl,$nlo)") if ($i==0);
366 &mov ($Zhi,"($Htbl,$nlo)") if ($i==0);
368 &mov (&LB($nlo),&LB($dat));
369 &xor ($Zlo,$tmp) if ($i>0);
370 &movzw ($rem[1],"($rem_8bit,$rem[1],2)") if ($i>0);
372 &movz ($nhi[1],&LB($dat));
374 &movzb ($rem[0],"(%rsp,$nhi[0])");
376 &shr ($nhi[1],4) if ($i<14);
377 &and ($nhi[1],0xf0) if ($i==14);
378 &shl ($rem[1],48) if ($i>0);
382 &xor ($Zhi,$rem[1]) if ($i>0);
385 &movz ($rem[0],&LB($rem[0]));
386 &mov ($dat,"$j($Xi)") if (--$j%4==0);
389 &xor ($Zlo,"-128($Hshr4,$nhi[0],8)");
391 &xor ($Zhi,"($Hshr4,$nhi[0],8)");
393 unshift (@nhi,pop(@nhi)); # "rotate" registers
394 unshift (@rem,pop(@rem));
396 &movzw ($rem[1],"($rem_8bit,$rem[1],2)");
397 &xor ($Zlo,"8($Htbl,$nlo)");
398 &xor ($Zhi,"($Htbl,$nlo)");
404 &movz ($rem[0],&LB($Zlo));
408 &shl (&LB($rem[0]),4);
411 &xor ($Zlo,"8($Htbl,$nhi[0])");
412 &movzw ($rem[0],"($rem_8bit,$rem[0],2)");
415 &xor ($Zhi,"($Htbl,$nhi[0])");
424 &jb (".Louter_loop");
430 lea 280+48(%rsp),%rsi
445 .cfi_def_cfa_register %rsp
449 .size gcm_ghash_4bit,.-gcm_ghash_4bit
452 ######################################################################
455 @_4args=$win64? ("%rcx","%rdx","%r8", "%r9") : # Win64 order
456 ("%rdi","%rsi","%rdx","%rcx"); # Unix order
458 ($Xi,$Xhi)=("%xmm0","%xmm1"); $Hkey="%xmm2";
459 ($T1,$T2,$T3)=("%xmm3","%xmm4","%xmm5");
461 sub clmul64x64_T2 { # minimal register pressure
462 my ($Xhi,$Xi,$Hkey,$HK)=@_;
464 if (!defined($HK)) { $HK = $T2;
467 pshufd \$0b01001110,$Xi,$T1
468 pshufd \$0b01001110,$Hkey,$T2
475 pshufd \$0b01001110,$Xi,$T1
480 pclmulqdq \$0x00,$Hkey,$Xi #######
481 pclmulqdq \$0x11,$Hkey,$Xhi #######
482 pclmulqdq \$0x00,$HK,$T1 #######
494 sub reduction_alg9 { # 17/11 times faster than Intel version
524 { my ($Htbl,$Xip)=@_4args;
528 .globl gcm_init_clmul
529 .type gcm_init_clmul,\@abi-omnipotent
535 $code.=<<___ if ($win64);
536 .LSEH_begin_gcm_init_clmul:
537 # I can't trust assembler to use specific encoding:-(
538 .byte 0x48,0x83,0xec,0x18 #sub $0x18,%rsp
539 .byte 0x0f,0x29,0x34,0x24 #movaps %xmm6,(%rsp)
543 pshufd \$0b01001110,$Hkey,$Hkey # dword swap
546 pshufd \$0b11111111,$Hkey,$T2 # broadcast uppermost dword
551 pcmpgtd $T2,$T3 # broadcast carry bit
553 por $T1,$Hkey # H<<=1
556 pand .L0x1c2_polynomial(%rip),$T3
557 pxor $T3,$Hkey # if(carry) H^=0x1c2_polynomial
560 pshufd \$0b01001110,$Hkey,$HK
564 &clmul64x64_T2 ($Xhi,$Xi,$Hkey,$HK);
565 &reduction_alg9 ($Xhi,$Xi);
567 pshufd \$0b01001110,$Hkey,$T1
568 pshufd \$0b01001110,$Xi,$T2
569 pxor $Hkey,$T1 # Karatsuba pre-processing
570 movdqu $Hkey,0x00($Htbl) # save H
571 pxor $Xi,$T2 # Karatsuba pre-processing
572 movdqu $Xi,0x10($Htbl) # save H^2
573 palignr \$8,$T1,$T2 # low part is H.lo^H.hi...
574 movdqu $T2,0x20($Htbl) # save Karatsuba "salt"
577 &clmul64x64_T2 ($Xhi,$Xi,$Hkey,$HK); # H^3
578 &reduction_alg9 ($Xhi,$Xi);
582 &clmul64x64_T2 ($Xhi,$Xi,$Hkey,$HK); # H^4
583 &reduction_alg9 ($Xhi,$Xi);
585 pshufd \$0b01001110,$T3,$T1
586 pshufd \$0b01001110,$Xi,$T2
587 pxor $T3,$T1 # Karatsuba pre-processing
588 movdqu $T3,0x30($Htbl) # save H^3
589 pxor $Xi,$T2 # Karatsuba pre-processing
590 movdqu $Xi,0x40($Htbl) # save H^4
591 palignr \$8,$T1,$T2 # low part is H^3.lo^H^3.hi...
592 movdqu $T2,0x50($Htbl) # save Karatsuba "salt"
595 $code.=<<___ if ($win64);
598 .LSEH_end_gcm_init_clmul:
603 .size gcm_init_clmul,.-gcm_init_clmul
607 { my ($Xip,$Htbl)=@_4args;
610 .globl gcm_gmult_clmul
611 .type gcm_gmult_clmul,\@abi-omnipotent
617 movdqa .Lbswap_mask(%rip),$T3
619 movdqu 0x20($Htbl),$T2
622 &clmul64x64_T2 ($Xhi,$Xi,$Hkey,$T2);
623 $code.=<<___ if (0 || (&reduction_alg9($Xhi,$Xi)&&0));
624 # experimental alternative. special thing about is that there
625 # no dependency between the two multiplications...
627 mov \$0xA040608020C0E000,%r10 # ((7..0)·0xE0)&0xff
631 movq %r11,$T3 # borrow $T3
633 pshufb $T3,$T2 # ($Xi&7)·0xE0
635 pclmulqdq \$0x00,$Xi,$T1 # ·(0xE1<<1)
638 paddd $T2,$T2 # <<(64+56+1)
640 pclmulqdq \$0x01,$T3,$Xi
641 movdqa .Lbswap_mask(%rip),$T3 # reload $T3
652 .size gcm_gmult_clmul,.-gcm_gmult_clmul
656 { my ($Xip,$Htbl,$inp,$len)=@_4args;
657 my ($Xln,$Xmn,$Xhn,$Hkey2,$HK) = map("%xmm$_",(3..7));
658 my ($T1,$T2,$T3)=map("%xmm$_",(8..10));
661 .globl gcm_ghash_clmul
662 .type gcm_ghash_clmul,\@abi-omnipotent
668 $code.=<<___ if ($win64);
670 .LSEH_begin_gcm_ghash_clmul:
671 # I can't trust assembler to use specific encoding:-(
672 .byte 0x48,0x8d,0x60,0xe0 #lea -0x20(%rax),%rsp
673 .byte 0x0f,0x29,0x70,0xe0 #movaps %xmm6,-0x20(%rax)
674 .byte 0x0f,0x29,0x78,0xf0 #movaps %xmm7,-0x10(%rax)
675 .byte 0x44,0x0f,0x29,0x00 #movaps %xmm8,0(%rax)
676 .byte 0x44,0x0f,0x29,0x48,0x10 #movaps %xmm9,0x10(%rax)
677 .byte 0x44,0x0f,0x29,0x50,0x20 #movaps %xmm10,0x20(%rax)
678 .byte 0x44,0x0f,0x29,0x58,0x30 #movaps %xmm11,0x30(%rax)
679 .byte 0x44,0x0f,0x29,0x60,0x40 #movaps %xmm12,0x40(%rax)
680 .byte 0x44,0x0f,0x29,0x68,0x50 #movaps %xmm13,0x50(%rax)
681 .byte 0x44,0x0f,0x29,0x70,0x60 #movaps %xmm14,0x60(%rax)
682 .byte 0x44,0x0f,0x29,0x78,0x70 #movaps %xmm15,0x70(%rax)
685 movdqa .Lbswap_mask(%rip),$T3
689 movdqu 0x20($Htbl),$HK
695 movdqu 0x10($Htbl),$Hkey2
698 my ($Xl,$Xm,$Xh,$Hkey3,$Hkey4)=map("%xmm$_",(11..15));
701 mov OPENSSL_ia32cap_P+4(%rip),%eax
705 and \$`1<<26|1<<22`,%eax # isolate MOVBE+XSAVE
706 cmp \$`1<<22`,%eax # check for MOVBE without XSAVE
710 mov \$0xA040608020C0E000,%rax # ((7..0)·0xE0)&0xff
711 movdqu 0x30($Htbl),$Hkey3
712 movdqu 0x40($Htbl),$Hkey4
715 # Xi+4 =[(H*Ii+3) + (H^2*Ii+2) + (H^3*Ii+1) + H^4*(Ii+Xi)] mod P
717 movdqu 0x30($inp),$Xln
718 movdqu 0x20($inp),$Xl
722 pshufd \$0b01001110,$Xln,$Xmn
724 pclmulqdq \$0x00,$Hkey,$Xln
725 pclmulqdq \$0x11,$Hkey,$Xhn
726 pclmulqdq \$0x00,$HK,$Xmn
729 pshufd \$0b01001110,$Xl,$Xm
731 pclmulqdq \$0x00,$Hkey2,$Xl
732 pclmulqdq \$0x11,$Hkey2,$Xh
733 pclmulqdq \$0x10,$HK,$Xm
736 movups 0x50($Htbl),$HK
739 movdqu 0x10($inp),$Xl
744 pshufd \$0b01001110,$Xl,$Xm
747 pclmulqdq \$0x00,$Hkey3,$Xl
749 pshufd \$0b01001110,$Xi,$T1
751 pclmulqdq \$0x11,$Hkey3,$Xh
752 pclmulqdq \$0x00,$HK,$Xm
763 pclmulqdq \$0x00,$Hkey4,$Xi
765 movdqu 0x30($inp),$Xl
767 pclmulqdq \$0x11,$Hkey4,$Xhi
769 movdqu 0x20($inp),$Xln
771 pclmulqdq \$0x10,$HK,$T1
772 pshufd \$0b01001110,$Xl,$Xm
776 movups 0x20($Htbl),$HK
778 pclmulqdq \$0x00,$Hkey,$Xl
779 pshufd \$0b01001110,$Xln,$Xmn
781 pxor $Xi,$T1 # aggregated Karatsuba post-processing
786 pclmulqdq \$0x11,$Hkey,$Xh
790 movdqa .L7_mask(%rip),$T1
794 pand $Xi,$T1 # 1st phase
797 pclmulqdq \$0x00,$HK,$Xm
801 pclmulqdq \$0x00,$Hkey2,$Xln
807 movdqa $Xi,$T2 # 2nd phase
809 pclmulqdq \$0x11,$Hkey2,$Xhn
811 movdqu 0x10($inp),$Xl
813 pclmulqdq \$0x10,$HK,$Xmn
815 movups 0x50($Htbl),$HK
823 pshufd \$0b01001110,$Xl,$Xm
827 pclmulqdq \$0x00,$Hkey3,$Xl
831 pclmulqdq \$0x11,$Hkey3,$Xh
833 pshufd \$0b01001110,$Xi,$T1
836 pclmulqdq \$0x00,$HK,$Xm
844 pclmulqdq \$0x00,$Hkey4,$Xi
845 pclmulqdq \$0x11,$Hkey4,$Xhi
846 pclmulqdq \$0x10,$HK,$T1
850 pxor $Xi,$Xhi # aggregated Karatsuba post-processing
862 &reduction_alg9($Xhi,$Xi);
866 movdqu 0x20($Htbl),$HK
874 # Xi+2 =[H*(Ii+1 + Xi+1)] mod P =
875 # [(H*Ii+1) + (H*Xi+1)] mod P =
876 # [(H*Ii+1) + H^2*(Ii+Xi)] mod P
878 movdqu ($inp),$T1 # Ii
879 movdqu 16($inp),$Xln # Ii+1
885 pshufd \$0b01001110,$Xln,$Xmn
887 pclmulqdq \$0x00,$Hkey,$Xln
888 pclmulqdq \$0x11,$Hkey,$Xhn
889 pclmulqdq \$0x00,$HK,$Xmn
891 lea 32($inp),$inp # i+=2
902 pshufd \$0b01001110,$Xi,$Xmn #
905 pclmulqdq \$0x00,$Hkey2,$Xi
906 pclmulqdq \$0x11,$Hkey2,$Xhi
907 pclmulqdq \$0x10,$HK,$Xmn
909 pxor $Xln,$Xi # (H*Ii+1) + H^2*(Ii+Xi)
911 movdqu ($inp),$T2 # Ii
912 pxor $Xi,$T1 # aggregated Karatsuba post-processing
914 movdqu 16($inp),$Xln # Ii+1
917 pxor $T2,$Xhi # "Ii+Xi", consume early
928 movdqa $Xi,$T2 # 1st phase
932 pclmulqdq \$0x00,$Hkey,$Xln #######
940 pshufd \$0b01001110,$Xhn,$Xmn
944 movdqa $Xi,$T2 # 2nd phase
946 pclmulqdq \$0x11,$Hkey,$Xhn #######
953 pclmulqdq \$0x00,$HK,$Xmn #######
962 pshufd \$0b01001110,$Xi,$Xmn #
965 pclmulqdq \$0x00,$Hkey2,$Xi
966 pclmulqdq \$0x11,$Hkey2,$Xhi
967 pclmulqdq \$0x10,$HK,$Xmn
969 pxor $Xln,$Xi # (H*Ii+1) + H^2*(Ii+Xi)
980 &reduction_alg9 ($Xhi,$Xi);
986 movdqu ($inp),$T1 # Ii
990 &clmul64x64_T2 ($Xhi,$Xi,$Hkey,$HK); # H*(Ii+Xi)
991 &reduction_alg9 ($Xhi,$Xi);
997 $code.=<<___ if ($win64);
999 movaps 0x10(%rsp),%xmm7
1000 movaps 0x20(%rsp),%xmm8
1001 movaps 0x30(%rsp),%xmm9
1002 movaps 0x40(%rsp),%xmm10
1003 movaps 0x50(%rsp),%xmm11
1004 movaps 0x60(%rsp),%xmm12
1005 movaps 0x70(%rsp),%xmm13
1006 movaps 0x80(%rsp),%xmm14
1007 movaps 0x90(%rsp),%xmm15
1009 .LSEH_end_gcm_ghash_clmul:
1014 .size gcm_ghash_clmul,.-gcm_ghash_clmul
1020 .type gcm_init_avx,\@abi-omnipotent
1026 my ($Htbl,$Xip)=@_4args;
1029 $code.=<<___ if ($win64);
1030 .LSEH_begin_gcm_init_avx:
1031 # I can't trust assembler to use specific encoding:-(
1032 .byte 0x48,0x83,0xec,0x18 #sub $0x18,%rsp
1033 .byte 0x0f,0x29,0x34,0x24 #movaps %xmm6,(%rsp)
1038 vmovdqu ($Xip),$Hkey
1039 vpshufd \$0b01001110,$Hkey,$Hkey # dword swap
1042 vpshufd \$0b11111111,$Hkey,$T2 # broadcast uppermost dword
1043 vpsrlq \$63,$Hkey,$T1
1044 vpsllq \$1,$Hkey,$Hkey
1046 vpcmpgtd $T2,$T3,$T3 # broadcast carry bit
1048 vpor $T1,$Hkey,$Hkey # H<<=1
1051 vpand .L0x1c2_polynomial(%rip),$T3,$T3
1052 vpxor $T3,$Hkey,$Hkey # if(carry) H^=0x1c2_polynomial
1054 vpunpckhqdq $Hkey,$Hkey,$HK
1057 mov \$4,%r10 # up to H^8
1058 jmp .Linit_start_avx
1061 sub clmul64x64_avx {
1062 my ($Xhi,$Xi,$Hkey,$HK)=@_;
1064 if (!defined($HK)) { $HK = $T2;
1066 vpunpckhqdq $Xi,$Xi,$T1
1067 vpunpckhqdq $Hkey,$Hkey,$T2
1073 vpunpckhqdq $Xi,$Xi,$T1
1078 vpclmulqdq \$0x11,$Hkey,$Xi,$Xhi #######
1079 vpclmulqdq \$0x00,$Hkey,$Xi,$Xi #######
1080 vpclmulqdq \$0x00,$HK,$T1,$T1 #######
1081 vpxor $Xi,$Xhi,$T2 #
1084 vpslldq \$8,$T1,$T2 #
1095 vpsllq \$57,$Xi,$T1 # 1st phase
1100 vpslldq \$8,$T2,$T1 #
1105 vpsrlq \$1,$Xi,$T2 # 2nd phase
1110 vpsrlq \$1,$Xi,$Xi #
1111 vpxor $Xhi,$Xi,$Xi #
1118 vpalignr \$8,$T1,$T2,$T3 # low part is H.lo^H.hi...
1119 vmovdqu $T3,-0x10($Htbl) # save Karatsuba "salt"
1121 &clmul64x64_avx ($Xhi,$Xi,$Hkey,$HK); # calculate H^3,5,7
1122 &reduction_avx ($Xhi,$Xi);
1127 &clmul64x64_avx ($Xhi,$Xi,$Hkey,$HK); # calculate H^2,4,6,8
1128 &reduction_avx ($Xhi,$Xi);
1130 vpshufd \$0b01001110,$T3,$T1
1131 vpshufd \$0b01001110,$Xi,$T2
1132 vpxor $T3,$T1,$T1 # Karatsuba pre-processing
1133 vmovdqu $T3,0x00($Htbl) # save H^1,3,5,7
1134 vpxor $Xi,$T2,$T2 # Karatsuba pre-processing
1135 vmovdqu $Xi,0x10($Htbl) # save H^2,4,6,8
1136 lea 0x30($Htbl),$Htbl
1140 vpalignr \$8,$T2,$T1,$T3 # last "salt" is flipped
1141 vmovdqu $T3,-0x10($Htbl)
1145 $code.=<<___ if ($win64);
1148 .LSEH_end_gcm_init_avx:
1153 .size gcm_init_avx,.-gcm_init_avx
1159 .size gcm_init_avx,.-gcm_init_avx
1164 .globl gcm_gmult_avx
1165 .type gcm_gmult_avx,\@abi-omnipotent
1171 .size gcm_gmult_avx,.-gcm_gmult_avx
1175 .globl gcm_ghash_avx
1176 .type gcm_ghash_avx,\@abi-omnipotent
1182 my ($Xip,$Htbl,$inp,$len)=@_4args;
1186 $Xi,$Xo,$Tred,$bswap,$Ii,$Ij) = map("%xmm$_",(0..15));
1188 $code.=<<___ if ($win64);
1189 lea -0x88(%rsp),%rax
1190 .LSEH_begin_gcm_ghash_avx:
1191 # I can't trust assembler to use specific encoding:-(
1192 .byte 0x48,0x8d,0x60,0xe0 #lea -0x20(%rax),%rsp
1193 .byte 0x0f,0x29,0x70,0xe0 #movaps %xmm6,-0x20(%rax)
1194 .byte 0x0f,0x29,0x78,0xf0 #movaps %xmm7,-0x10(%rax)
1195 .byte 0x44,0x0f,0x29,0x00 #movaps %xmm8,0(%rax)
1196 .byte 0x44,0x0f,0x29,0x48,0x10 #movaps %xmm9,0x10(%rax)
1197 .byte 0x44,0x0f,0x29,0x50,0x20 #movaps %xmm10,0x20(%rax)
1198 .byte 0x44,0x0f,0x29,0x58,0x30 #movaps %xmm11,0x30(%rax)
1199 .byte 0x44,0x0f,0x29,0x60,0x40 #movaps %xmm12,0x40(%rax)
1200 .byte 0x44,0x0f,0x29,0x68,0x50 #movaps %xmm13,0x50(%rax)
1201 .byte 0x44,0x0f,0x29,0x70,0x60 #movaps %xmm14,0x60(%rax)
1202 .byte 0x44,0x0f,0x29,0x78,0x70 #movaps %xmm15,0x70(%rax)
1207 vmovdqu ($Xip),$Xi # load $Xi
1208 lea .L0x1c2_polynomial(%rip),%r10
1209 lea 0x40($Htbl),$Htbl # size optimization
1210 vmovdqu .Lbswap_mask(%rip),$bswap
1211 vpshufb $bswap,$Xi,$Xi
1216 vmovdqu 0x70($inp),$Ii # I[7]
1217 vmovdqu 0x00-0x40($Htbl),$Hkey # $Hkey^1
1218 vpshufb $bswap,$Ii,$Ii
1219 vmovdqu 0x20-0x40($Htbl),$HK
1221 vpunpckhqdq $Ii,$Ii,$T2
1222 vmovdqu 0x60($inp),$Ij # I[6]
1223 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1225 vpshufb $bswap,$Ij,$Ij
1226 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1227 vmovdqu 0x10-0x40($Htbl),$Hkey # $Hkey^2
1228 vpunpckhqdq $Ij,$Ij,$T1
1229 vmovdqu 0x50($inp),$Ii # I[5]
1230 vpclmulqdq \$0x00,$HK,$T2,$Xmi
1233 vpshufb $bswap,$Ii,$Ii
1234 vpclmulqdq \$0x00,$Hkey,$Ij,$Zlo
1235 vpunpckhqdq $Ii,$Ii,$T2
1236 vpclmulqdq \$0x11,$Hkey,$Ij,$Zhi
1237 vmovdqu 0x30-0x40($Htbl),$Hkey # $Hkey^3
1239 vmovdqu 0x40($inp),$Ij # I[4]
1240 vpclmulqdq \$0x10,$HK,$T1,$Zmi
1241 vmovdqu 0x50-0x40($Htbl),$HK
1243 vpshufb $bswap,$Ij,$Ij
1244 vpxor $Xlo,$Zlo,$Zlo
1245 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1246 vpxor $Xhi,$Zhi,$Zhi
1247 vpunpckhqdq $Ij,$Ij,$T1
1248 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1249 vmovdqu 0x40-0x40($Htbl),$Hkey # $Hkey^4
1250 vpxor $Xmi,$Zmi,$Zmi
1251 vpclmulqdq \$0x00,$HK,$T2,$Xmi
1254 vmovdqu 0x30($inp),$Ii # I[3]
1255 vpxor $Zlo,$Xlo,$Xlo
1256 vpclmulqdq \$0x00,$Hkey,$Ij,$Zlo
1257 vpxor $Zhi,$Xhi,$Xhi
1258 vpshufb $bswap,$Ii,$Ii
1259 vpclmulqdq \$0x11,$Hkey,$Ij,$Zhi
1260 vmovdqu 0x60-0x40($Htbl),$Hkey # $Hkey^5
1261 vpxor $Zmi,$Xmi,$Xmi
1262 vpunpckhqdq $Ii,$Ii,$T2
1263 vpclmulqdq \$0x10,$HK,$T1,$Zmi
1264 vmovdqu 0x80-0x40($Htbl),$HK
1267 vmovdqu 0x20($inp),$Ij # I[2]
1268 vpxor $Xlo,$Zlo,$Zlo
1269 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1270 vpxor $Xhi,$Zhi,$Zhi
1271 vpshufb $bswap,$Ij,$Ij
1272 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1273 vmovdqu 0x70-0x40($Htbl),$Hkey # $Hkey^6
1274 vpxor $Xmi,$Zmi,$Zmi
1275 vpunpckhqdq $Ij,$Ij,$T1
1276 vpclmulqdq \$0x00,$HK,$T2,$Xmi
1279 vmovdqu 0x10($inp),$Ii # I[1]
1280 vpxor $Zlo,$Xlo,$Xlo
1281 vpclmulqdq \$0x00,$Hkey,$Ij,$Zlo
1282 vpxor $Zhi,$Xhi,$Xhi
1283 vpshufb $bswap,$Ii,$Ii
1284 vpclmulqdq \$0x11,$Hkey,$Ij,$Zhi
1285 vmovdqu 0x90-0x40($Htbl),$Hkey # $Hkey^7
1286 vpxor $Zmi,$Xmi,$Xmi
1287 vpunpckhqdq $Ii,$Ii,$T2
1288 vpclmulqdq \$0x10,$HK,$T1,$Zmi
1289 vmovdqu 0xb0-0x40($Htbl),$HK
1292 vmovdqu ($inp),$Ij # I[0]
1293 vpxor $Xlo,$Zlo,$Zlo
1294 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1295 vpxor $Xhi,$Zhi,$Zhi
1296 vpshufb $bswap,$Ij,$Ij
1297 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1298 vmovdqu 0xa0-0x40($Htbl),$Hkey # $Hkey^8
1299 vpxor $Xmi,$Zmi,$Zmi
1300 vpclmulqdq \$0x10,$HK,$T2,$Xmi
1306 vpxor $Xi,$Ij,$Ij # accumulate $Xi
1312 vpunpckhqdq $Ij,$Ij,$T1
1313 vmovdqu 0x70($inp),$Ii # I[7]
1314 vpxor $Xlo,$Zlo,$Zlo
1316 vpclmulqdq \$0x00,$Hkey,$Ij,$Xi
1317 vpshufb $bswap,$Ii,$Ii
1318 vpxor $Xhi,$Zhi,$Zhi
1319 vpclmulqdq \$0x11,$Hkey,$Ij,$Xo
1320 vmovdqu 0x00-0x40($Htbl),$Hkey # $Hkey^1
1321 vpunpckhqdq $Ii,$Ii,$T2
1322 vpxor $Xmi,$Zmi,$Zmi
1323 vpclmulqdq \$0x00,$HK,$T1,$Tred
1324 vmovdqu 0x20-0x40($Htbl),$HK
1327 vmovdqu 0x60($inp),$Ij # I[6]
1328 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1329 vpxor $Zlo,$Xi,$Xi # collect result
1330 vpshufb $bswap,$Ij,$Ij
1331 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1333 vmovdqu 0x10-0x40($Htbl),$Hkey # $Hkey^2
1334 vpunpckhqdq $Ij,$Ij,$T1
1335 vpclmulqdq \$0x00,$HK, $T2,$Xmi
1336 vpxor $Zmi,$Tred,$Tred
1339 vmovdqu 0x50($inp),$Ii # I[5]
1340 vpxor $Xi,$Tred,$Tred # aggregated Karatsuba post-processing
1341 vpclmulqdq \$0x00,$Hkey,$Ij,$Zlo
1342 vpxor $Xo,$Tred,$Tred
1343 vpslldq \$8,$Tred,$T2
1344 vpxor $Xlo,$Zlo,$Zlo
1345 vpclmulqdq \$0x11,$Hkey,$Ij,$Zhi
1346 vpsrldq \$8,$Tred,$Tred
1348 vmovdqu 0x30-0x40($Htbl),$Hkey # $Hkey^3
1349 vpshufb $bswap,$Ii,$Ii
1350 vxorps $Tred,$Xo, $Xo
1351 vpxor $Xhi,$Zhi,$Zhi
1352 vpunpckhqdq $Ii,$Ii,$T2
1353 vpclmulqdq \$0x10,$HK, $T1,$Zmi
1354 vmovdqu 0x50-0x40($Htbl),$HK
1356 vpxor $Xmi,$Zmi,$Zmi
1358 vmovdqu 0x40($inp),$Ij # I[4]
1359 vpalignr \$8,$Xi,$Xi,$Tred # 1st phase
1360 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1361 vpshufb $bswap,$Ij,$Ij
1362 vpxor $Zlo,$Xlo,$Xlo
1363 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1364 vmovdqu 0x40-0x40($Htbl),$Hkey # $Hkey^4
1365 vpunpckhqdq $Ij,$Ij,$T1
1366 vpxor $Zhi,$Xhi,$Xhi
1367 vpclmulqdq \$0x00,$HK, $T2,$Xmi
1369 vpxor $Zmi,$Xmi,$Xmi
1371 vmovdqu 0x30($inp),$Ii # I[3]
1372 vpclmulqdq \$0x10,(%r10),$Xi,$Xi
1373 vpclmulqdq \$0x00,$Hkey,$Ij,$Zlo
1374 vpshufb $bswap,$Ii,$Ii
1375 vpxor $Xlo,$Zlo,$Zlo
1376 vpclmulqdq \$0x11,$Hkey,$Ij,$Zhi
1377 vmovdqu 0x60-0x40($Htbl),$Hkey # $Hkey^5
1378 vpunpckhqdq $Ii,$Ii,$T2
1379 vpxor $Xhi,$Zhi,$Zhi
1380 vpclmulqdq \$0x10,$HK, $T1,$Zmi
1381 vmovdqu 0x80-0x40($Htbl),$HK
1383 vpxor $Xmi,$Zmi,$Zmi
1385 vmovdqu 0x20($inp),$Ij # I[2]
1386 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1387 vpshufb $bswap,$Ij,$Ij
1388 vpxor $Zlo,$Xlo,$Xlo
1389 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1390 vmovdqu 0x70-0x40($Htbl),$Hkey # $Hkey^6
1391 vpunpckhqdq $Ij,$Ij,$T1
1392 vpxor $Zhi,$Xhi,$Xhi
1393 vpclmulqdq \$0x00,$HK, $T2,$Xmi
1395 vpxor $Zmi,$Xmi,$Xmi
1396 vxorps $Tred,$Xi,$Xi
1398 vmovdqu 0x10($inp),$Ii # I[1]
1399 vpalignr \$8,$Xi,$Xi,$Tred # 2nd phase
1400 vpclmulqdq \$0x00,$Hkey,$Ij,$Zlo
1401 vpshufb $bswap,$Ii,$Ii
1402 vpxor $Xlo,$Zlo,$Zlo
1403 vpclmulqdq \$0x11,$Hkey,$Ij,$Zhi
1404 vmovdqu 0x90-0x40($Htbl),$Hkey # $Hkey^7
1405 vpclmulqdq \$0x10,(%r10),$Xi,$Xi
1406 vxorps $Xo,$Tred,$Tred
1407 vpunpckhqdq $Ii,$Ii,$T2
1408 vpxor $Xhi,$Zhi,$Zhi
1409 vpclmulqdq \$0x10,$HK, $T1,$Zmi
1410 vmovdqu 0xb0-0x40($Htbl),$HK
1412 vpxor $Xmi,$Zmi,$Zmi
1414 vmovdqu ($inp),$Ij # I[0]
1415 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1416 vpshufb $bswap,$Ij,$Ij
1417 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1418 vmovdqu 0xa0-0x40($Htbl),$Hkey # $Hkey^8
1420 vpclmulqdq \$0x10,$HK, $T2,$Xmi
1421 vpxor $Xi,$Ij,$Ij # accumulate $Xi
1428 jmp .Ltail_no_xor_avx
1432 vmovdqu -0x10($inp,$len),$Ii # very last word
1433 lea ($inp,$len),$inp
1434 vmovdqu 0x00-0x40($Htbl),$Hkey # $Hkey^1
1435 vmovdqu 0x20-0x40($Htbl),$HK
1436 vpshufb $bswap,$Ii,$Ij
1438 vmovdqa $Xlo,$Zlo # subtle way to zero $Zlo,
1439 vmovdqa $Xhi,$Zhi # $Zhi and
1440 vmovdqa $Xmi,$Zmi # $Zmi
1444 vpunpckhqdq $Ij,$Ij,$T1
1445 vpxor $Xlo,$Zlo,$Zlo
1446 vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo
1448 vmovdqu -0x20($inp),$Ii
1449 vpxor $Xhi,$Zhi,$Zhi
1450 vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi
1451 vmovdqu 0x10-0x40($Htbl),$Hkey # $Hkey^2
1452 vpshufb $bswap,$Ii,$Ij
1453 vpxor $Xmi,$Zmi,$Zmi
1454 vpclmulqdq \$0x00,$HK,$T1,$Xmi
1459 vpunpckhqdq $Ij,$Ij,$T1
1460 vpxor $Xlo,$Zlo,$Zlo
1461 vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo
1463 vmovdqu -0x30($inp),$Ii
1464 vpxor $Xhi,$Zhi,$Zhi
1465 vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi
1466 vmovdqu 0x30-0x40($Htbl),$Hkey # $Hkey^3
1467 vpshufb $bswap,$Ii,$Ij
1468 vpxor $Xmi,$Zmi,$Zmi
1469 vpclmulqdq \$0x00,$HK,$T1,$Xmi
1470 vmovdqu 0x50-0x40($Htbl),$HK
1474 vpunpckhqdq $Ij,$Ij,$T1
1475 vpxor $Xlo,$Zlo,$Zlo
1476 vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo
1478 vmovdqu -0x40($inp),$Ii
1479 vpxor $Xhi,$Zhi,$Zhi
1480 vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi
1481 vmovdqu 0x40-0x40($Htbl),$Hkey # $Hkey^4
1482 vpshufb $bswap,$Ii,$Ij
1483 vpxor $Xmi,$Zmi,$Zmi
1484 vpclmulqdq \$0x00,$HK,$T1,$Xmi
1489 vpunpckhqdq $Ij,$Ij,$T1
1490 vpxor $Xlo,$Zlo,$Zlo
1491 vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo
1493 vmovdqu -0x50($inp),$Ii
1494 vpxor $Xhi,$Zhi,$Zhi
1495 vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi
1496 vmovdqu 0x60-0x40($Htbl),$Hkey # $Hkey^5
1497 vpshufb $bswap,$Ii,$Ij
1498 vpxor $Xmi,$Zmi,$Zmi
1499 vpclmulqdq \$0x00,$HK,$T1,$Xmi
1500 vmovdqu 0x80-0x40($Htbl),$HK
1504 vpunpckhqdq $Ij,$Ij,$T1
1505 vpxor $Xlo,$Zlo,$Zlo
1506 vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo
1508 vmovdqu -0x60($inp),$Ii
1509 vpxor $Xhi,$Zhi,$Zhi
1510 vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi
1511 vmovdqu 0x70-0x40($Htbl),$Hkey # $Hkey^6
1512 vpshufb $bswap,$Ii,$Ij
1513 vpxor $Xmi,$Zmi,$Zmi
1514 vpclmulqdq \$0x00,$HK,$T1,$Xmi
1519 vpunpckhqdq $Ij,$Ij,$T1
1520 vpxor $Xlo,$Zlo,$Zlo
1521 vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo
1523 vmovdqu -0x70($inp),$Ii
1524 vpxor $Xhi,$Zhi,$Zhi
1525 vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi
1526 vmovdqu 0x90-0x40($Htbl),$Hkey # $Hkey^7
1527 vpshufb $bswap,$Ii,$Ij
1528 vpxor $Xmi,$Zmi,$Zmi
1529 vpclmulqdq \$0x00,$HK,$T1,$Xmi
1530 vmovq 0xb8-0x40($Htbl),$HK
1536 vpxor $Xi,$Ij,$Ij # accumulate $Xi
1538 vpunpckhqdq $Ij,$Ij,$T1
1539 vpxor $Xlo,$Zlo,$Zlo
1540 vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo
1542 vpxor $Xhi,$Zhi,$Zhi
1543 vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi
1544 vpxor $Xmi,$Zmi,$Zmi
1545 vpclmulqdq \$0x00,$HK,$T1,$Xmi
1547 vmovdqu (%r10),$Tred
1551 vpxor $Xmi,$Zmi,$Zmi
1553 vpxor $Xi, $Zmi,$Zmi # aggregated Karatsuba post-processing
1554 vpxor $Xo, $Zmi,$Zmi
1555 vpslldq \$8, $Zmi,$T2
1556 vpsrldq \$8, $Zmi,$Zmi
1560 vpclmulqdq \$0x10,$Tred,$Xi,$T2 # 1st phase
1561 vpalignr \$8,$Xi,$Xi,$Xi
1564 vpclmulqdq \$0x10,$Tred,$Xi,$T2 # 2nd phase
1565 vpalignr \$8,$Xi,$Xi,$Xi
1572 vpshufb $bswap,$Xi,$Xi
1576 $code.=<<___ if ($win64);
1578 movaps 0x10(%rsp),%xmm7
1579 movaps 0x20(%rsp),%xmm8
1580 movaps 0x30(%rsp),%xmm9
1581 movaps 0x40(%rsp),%xmm10
1582 movaps 0x50(%rsp),%xmm11
1583 movaps 0x60(%rsp),%xmm12
1584 movaps 0x70(%rsp),%xmm13
1585 movaps 0x80(%rsp),%xmm14
1586 movaps 0x90(%rsp),%xmm15
1588 .LSEH_end_gcm_ghash_avx:
1593 .size gcm_ghash_avx,.-gcm_ghash_avx
1599 .size gcm_ghash_avx,.-gcm_ghash_avx
1606 .byte 15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0
1608 .byte 1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0xc2
1612 .long 7,0,`0xE1<<1`,0
1614 .type .Lrem_4bit,\@object
1616 .long 0,`0x0000<<16`,0,`0x1C20<<16`,0,`0x3840<<16`,0,`0x2460<<16`
1617 .long 0,`0x7080<<16`,0,`0x6CA0<<16`,0,`0x48C0<<16`,0,`0x54E0<<16`
1618 .long 0,`0xE100<<16`,0,`0xFD20<<16`,0,`0xD940<<16`,0,`0xC560<<16`
1619 .long 0,`0x9180<<16`,0,`0x8DA0<<16`,0,`0xA9C0<<16`,0,`0xB5E0<<16`
1620 .type .Lrem_8bit,\@object
1622 .value 0x0000,0x01C2,0x0384,0x0246,0x0708,0x06CA,0x048C,0x054E
1623 .value 0x0E10,0x0FD2,0x0D94,0x0C56,0x0918,0x08DA,0x0A9C,0x0B5E
1624 .value 0x1C20,0x1DE2,0x1FA4,0x1E66,0x1B28,0x1AEA,0x18AC,0x196E
1625 .value 0x1230,0x13F2,0x11B4,0x1076,0x1538,0x14FA,0x16BC,0x177E
1626 .value 0x3840,0x3982,0x3BC4,0x3A06,0x3F48,0x3E8A,0x3CCC,0x3D0E
1627 .value 0x3650,0x3792,0x35D4,0x3416,0x3158,0x309A,0x32DC,0x331E
1628 .value 0x2460,0x25A2,0x27E4,0x2626,0x2368,0x22AA,0x20EC,0x212E
1629 .value 0x2A70,0x2BB2,0x29F4,0x2836,0x2D78,0x2CBA,0x2EFC,0x2F3E
1630 .value 0x7080,0x7142,0x7304,0x72C6,0x7788,0x764A,0x740C,0x75CE
1631 .value 0x7E90,0x7F52,0x7D14,0x7CD6,0x7998,0x785A,0x7A1C,0x7BDE
1632 .value 0x6CA0,0x6D62,0x6F24,0x6EE6,0x6BA8,0x6A6A,0x682C,0x69EE
1633 .value 0x62B0,0x6372,0x6134,0x60F6,0x65B8,0x647A,0x663C,0x67FE
1634 .value 0x48C0,0x4902,0x4B44,0x4A86,0x4FC8,0x4E0A,0x4C4C,0x4D8E
1635 .value 0x46D0,0x4712,0x4554,0x4496,0x41D8,0x401A,0x425C,0x439E
1636 .value 0x54E0,0x5522,0x5764,0x56A6,0x53E8,0x522A,0x506C,0x51AE
1637 .value 0x5AF0,0x5B32,0x5974,0x58B6,0x5DF8,0x5C3A,0x5E7C,0x5FBE
1638 .value 0xE100,0xE0C2,0xE284,0xE346,0xE608,0xE7CA,0xE58C,0xE44E
1639 .value 0xEF10,0xEED2,0xEC94,0xED56,0xE818,0xE9DA,0xEB9C,0xEA5E
1640 .value 0xFD20,0xFCE2,0xFEA4,0xFF66,0xFA28,0xFBEA,0xF9AC,0xF86E
1641 .value 0xF330,0xF2F2,0xF0B4,0xF176,0xF438,0xF5FA,0xF7BC,0xF67E
1642 .value 0xD940,0xD882,0xDAC4,0xDB06,0xDE48,0xDF8A,0xDDCC,0xDC0E
1643 .value 0xD750,0xD692,0xD4D4,0xD516,0xD058,0xD19A,0xD3DC,0xD21E
1644 .value 0xC560,0xC4A2,0xC6E4,0xC726,0xC268,0xC3AA,0xC1EC,0xC02E
1645 .value 0xCB70,0xCAB2,0xC8F4,0xC936,0xCC78,0xCDBA,0xCFFC,0xCE3E
1646 .value 0x9180,0x9042,0x9204,0x93C6,0x9688,0x974A,0x950C,0x94CE
1647 .value 0x9F90,0x9E52,0x9C14,0x9DD6,0x9898,0x995A,0x9B1C,0x9ADE
1648 .value 0x8DA0,0x8C62,0x8E24,0x8FE6,0x8AA8,0x8B6A,0x892C,0x88EE
1649 .value 0x83B0,0x8272,0x8034,0x81F6,0x84B8,0x857A,0x873C,0x86FE
1650 .value 0xA9C0,0xA802,0xAA44,0xAB86,0xAEC8,0xAF0A,0xAD4C,0xAC8E
1651 .value 0xA7D0,0xA612,0xA454,0xA596,0xA0D8,0xA11A,0xA35C,0xA29E
1652 .value 0xB5E0,0xB422,0xB664,0xB7A6,0xB2E8,0xB32A,0xB16C,0xB0AE
1653 .value 0xBBF0,0xBA32,0xB874,0xB9B6,0xBCF8,0xBD3A,0xBF7C,0xBEBE
1655 .asciz "GHASH for x86_64, CRYPTOGAMS by <appro\@openssl.org>"
1659 # EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame,
1660 # CONTEXT *context,DISPATCHER_CONTEXT *disp)
1668 .extern __imp_RtlVirtualUnwind
1669 .type se_handler,\@abi-omnipotent
1683 mov 120($context),%rax # pull context->Rax
1684 mov 248($context),%rbx # pull context->Rip
1686 mov 8($disp),%rsi # disp->ImageBase
1687 mov 56($disp),%r11 # disp->HandlerData
1689 mov 0(%r11),%r10d # HandlerData[0]
1690 lea (%rsi,%r10),%r10 # prologue label
1691 cmp %r10,%rbx # context->Rip<prologue label
1694 mov 152($context),%rax # pull context->Rsp
1696 mov 4(%r11),%r10d # HandlerData[1]
1697 lea (%rsi,%r10),%r10 # epilogue label
1698 cmp %r10,%rbx # context->Rip>=epilogue label
1701 lea 48+280(%rax),%rax # adjust "rsp"
1709 mov %rbx,144($context) # restore context->Rbx
1710 mov %rbp,160($context) # restore context->Rbp
1711 mov %r12,216($context) # restore context->R12
1712 mov %r13,224($context) # restore context->R13
1713 mov %r14,232($context) # restore context->R14
1714 mov %r15,240($context) # restore context->R15
1719 mov %rax,152($context) # restore context->Rsp
1720 mov %rsi,168($context) # restore context->Rsi
1721 mov %rdi,176($context) # restore context->Rdi
1723 mov 40($disp),%rdi # disp->ContextRecord
1724 mov $context,%rsi # context
1725 mov \$`1232/8`,%ecx # sizeof(CONTEXT)
1726 .long 0xa548f3fc # cld; rep movsq
1729 xor %rcx,%rcx # arg1, UNW_FLAG_NHANDLER
1730 mov 8(%rsi),%rdx # arg2, disp->ImageBase
1731 mov 0(%rsi),%r8 # arg3, disp->ControlPc
1732 mov 16(%rsi),%r9 # arg4, disp->FunctionEntry
1733 mov 40(%rsi),%r10 # disp->ContextRecord
1734 lea 56(%rsi),%r11 # &disp->HandlerData
1735 lea 24(%rsi),%r12 # &disp->EstablisherFrame
1736 mov %r10,32(%rsp) # arg5
1737 mov %r11,40(%rsp) # arg6
1738 mov %r12,48(%rsp) # arg7
1739 mov %rcx,56(%rsp) # arg8, (NULL)
1740 call *__imp_RtlVirtualUnwind(%rip)
1742 mov \$1,%eax # ExceptionContinueSearch
1754 .size se_handler,.-se_handler
1758 .rva .LSEH_begin_gcm_gmult_4bit
1759 .rva .LSEH_end_gcm_gmult_4bit
1760 .rva .LSEH_info_gcm_gmult_4bit
1762 .rva .LSEH_begin_gcm_ghash_4bit
1763 .rva .LSEH_end_gcm_ghash_4bit
1764 .rva .LSEH_info_gcm_ghash_4bit
1766 .rva .LSEH_begin_gcm_init_clmul
1767 .rva .LSEH_end_gcm_init_clmul
1768 .rva .LSEH_info_gcm_init_clmul
1770 .rva .LSEH_begin_gcm_ghash_clmul
1771 .rva .LSEH_end_gcm_ghash_clmul
1772 .rva .LSEH_info_gcm_ghash_clmul
1774 $code.=<<___ if ($avx);
1775 .rva .LSEH_begin_gcm_init_avx
1776 .rva .LSEH_end_gcm_init_avx
1777 .rva .LSEH_info_gcm_init_clmul
1779 .rva .LSEH_begin_gcm_ghash_avx
1780 .rva .LSEH_end_gcm_ghash_avx
1781 .rva .LSEH_info_gcm_ghash_clmul
1786 .LSEH_info_gcm_gmult_4bit:
1789 .rva .Lgmult_prologue,.Lgmult_epilogue # HandlerData
1790 .LSEH_info_gcm_ghash_4bit:
1793 .rva .Lghash_prologue,.Lghash_epilogue # HandlerData
1794 .LSEH_info_gcm_init_clmul:
1795 .byte 0x01,0x08,0x03,0x00
1796 .byte 0x08,0x68,0x00,0x00 #movaps 0x00(rsp),xmm6
1797 .byte 0x04,0x22,0x00,0x00 #sub rsp,0x18
1798 .LSEH_info_gcm_ghash_clmul:
1799 .byte 0x01,0x33,0x16,0x00
1800 .byte 0x33,0xf8,0x09,0x00 #movaps 0x90(rsp),xmm15
1801 .byte 0x2e,0xe8,0x08,0x00 #movaps 0x80(rsp),xmm14
1802 .byte 0x29,0xd8,0x07,0x00 #movaps 0x70(rsp),xmm13
1803 .byte 0x24,0xc8,0x06,0x00 #movaps 0x60(rsp),xmm12
1804 .byte 0x1f,0xb8,0x05,0x00 #movaps 0x50(rsp),xmm11
1805 .byte 0x1a,0xa8,0x04,0x00 #movaps 0x40(rsp),xmm10
1806 .byte 0x15,0x98,0x03,0x00 #movaps 0x30(rsp),xmm9
1807 .byte 0x10,0x88,0x02,0x00 #movaps 0x20(rsp),xmm8
1808 .byte 0x0c,0x78,0x01,0x00 #movaps 0x10(rsp),xmm7
1809 .byte 0x08,0x68,0x00,0x00 #movaps 0x00(rsp),xmm6
1810 .byte 0x04,0x01,0x15,0x00 #sub rsp,0xa8
1814 $code =~ s/\`([^\`]*)\`/eval($1)/gem;