2 # Copyright 2010-2016 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
534 $code.=<<___ if ($win64);
535 .LSEH_begin_gcm_init_clmul:
536 # I can't trust assembler to use specific encoding:-(
537 .byte 0x48,0x83,0xec,0x18 #sub $0x18,%rsp
538 .byte 0x0f,0x29,0x34,0x24 #movaps %xmm6,(%rsp)
542 pshufd \$0b01001110,$Hkey,$Hkey # dword swap
545 pshufd \$0b11111111,$Hkey,$T2 # broadcast uppermost dword
550 pcmpgtd $T2,$T3 # broadcast carry bit
552 por $T1,$Hkey # H<<=1
555 pand .L0x1c2_polynomial(%rip),$T3
556 pxor $T3,$Hkey # if(carry) H^=0x1c2_polynomial
559 pshufd \$0b01001110,$Hkey,$HK
563 &clmul64x64_T2 ($Xhi,$Xi,$Hkey,$HK);
564 &reduction_alg9 ($Xhi,$Xi);
566 pshufd \$0b01001110,$Hkey,$T1
567 pshufd \$0b01001110,$Xi,$T2
568 pxor $Hkey,$T1 # Karatsuba pre-processing
569 movdqu $Hkey,0x00($Htbl) # save H
570 pxor $Xi,$T2 # Karatsuba pre-processing
571 movdqu $Xi,0x10($Htbl) # save H^2
572 palignr \$8,$T1,$T2 # low part is H.lo^H.hi...
573 movdqu $T2,0x20($Htbl) # save Karatsuba "salt"
576 &clmul64x64_T2 ($Xhi,$Xi,$Hkey,$HK); # H^3
577 &reduction_alg9 ($Xhi,$Xi);
581 &clmul64x64_T2 ($Xhi,$Xi,$Hkey,$HK); # H^4
582 &reduction_alg9 ($Xhi,$Xi);
584 pshufd \$0b01001110,$T3,$T1
585 pshufd \$0b01001110,$Xi,$T2
586 pxor $T3,$T1 # Karatsuba pre-processing
587 movdqu $T3,0x30($Htbl) # save H^3
588 pxor $Xi,$T2 # Karatsuba pre-processing
589 movdqu $Xi,0x40($Htbl) # save H^4
590 palignr \$8,$T1,$T2 # low part is H^3.lo^H^3.hi...
591 movdqu $T2,0x50($Htbl) # save Karatsuba "salt"
594 $code.=<<___ if ($win64);
597 .LSEH_end_gcm_init_clmul:
601 .size gcm_init_clmul,.-gcm_init_clmul
605 { my ($Xip,$Htbl)=@_4args;
608 .globl gcm_gmult_clmul
609 .type gcm_gmult_clmul,\@abi-omnipotent
614 movdqa .Lbswap_mask(%rip),$T3
616 movdqu 0x20($Htbl),$T2
619 &clmul64x64_T2 ($Xhi,$Xi,$Hkey,$T2);
620 $code.=<<___ if (0 || (&reduction_alg9($Xhi,$Xi)&&0));
621 # experimental alternative. special thing about is that there
622 # no dependency between the two multiplications...
624 mov \$0xA040608020C0E000,%r10 # ((7..0)·0xE0)&0xff
628 movq %r11,$T3 # borrow $T3
630 pshufb $T3,$T2 # ($Xi&7)·0xE0
632 pclmulqdq \$0x00,$Xi,$T1 # ·(0xE1<<1)
635 paddd $T2,$T2 # <<(64+56+1)
637 pclmulqdq \$0x01,$T3,$Xi
638 movdqa .Lbswap_mask(%rip),$T3 # reload $T3
648 .size gcm_gmult_clmul,.-gcm_gmult_clmul
652 { my ($Xip,$Htbl,$inp,$len)=@_4args;
653 my ($Xln,$Xmn,$Xhn,$Hkey2,$HK) = map("%xmm$_",(3..7));
654 my ($T1,$T2,$T3)=map("%xmm$_",(8..10));
657 .globl gcm_ghash_clmul
658 .type gcm_ghash_clmul,\@abi-omnipotent
663 $code.=<<___ if ($win64);
665 .LSEH_begin_gcm_ghash_clmul:
666 # I can't trust assembler to use specific encoding:-(
667 .byte 0x48,0x8d,0x60,0xe0 #lea -0x20(%rax),%rsp
668 .byte 0x0f,0x29,0x70,0xe0 #movaps %xmm6,-0x20(%rax)
669 .byte 0x0f,0x29,0x78,0xf0 #movaps %xmm7,-0x10(%rax)
670 .byte 0x44,0x0f,0x29,0x00 #movaps %xmm8,0(%rax)
671 .byte 0x44,0x0f,0x29,0x48,0x10 #movaps %xmm9,0x10(%rax)
672 .byte 0x44,0x0f,0x29,0x50,0x20 #movaps %xmm10,0x20(%rax)
673 .byte 0x44,0x0f,0x29,0x58,0x30 #movaps %xmm11,0x30(%rax)
674 .byte 0x44,0x0f,0x29,0x60,0x40 #movaps %xmm12,0x40(%rax)
675 .byte 0x44,0x0f,0x29,0x68,0x50 #movaps %xmm13,0x50(%rax)
676 .byte 0x44,0x0f,0x29,0x70,0x60 #movaps %xmm14,0x60(%rax)
677 .byte 0x44,0x0f,0x29,0x78,0x70 #movaps %xmm15,0x70(%rax)
680 movdqa .Lbswap_mask(%rip),$T3
684 movdqu 0x20($Htbl),$HK
690 movdqu 0x10($Htbl),$Hkey2
693 my ($Xl,$Xm,$Xh,$Hkey3,$Hkey4)=map("%xmm$_",(11..15));
696 mov OPENSSL_ia32cap_P+4(%rip),%eax
700 and \$`1<<26|1<<22`,%eax # isolate MOVBE+XSAVE
701 cmp \$`1<<22`,%eax # check for MOVBE without XSAVE
705 mov \$0xA040608020C0E000,%rax # ((7..0)·0xE0)&0xff
706 movdqu 0x30($Htbl),$Hkey3
707 movdqu 0x40($Htbl),$Hkey4
710 # Xi+4 =[(H*Ii+3) + (H^2*Ii+2) + (H^3*Ii+1) + H^4*(Ii+Xi)] mod P
712 movdqu 0x30($inp),$Xln
713 movdqu 0x20($inp),$Xl
717 pshufd \$0b01001110,$Xln,$Xmn
719 pclmulqdq \$0x00,$Hkey,$Xln
720 pclmulqdq \$0x11,$Hkey,$Xhn
721 pclmulqdq \$0x00,$HK,$Xmn
724 pshufd \$0b01001110,$Xl,$Xm
726 pclmulqdq \$0x00,$Hkey2,$Xl
727 pclmulqdq \$0x11,$Hkey2,$Xh
728 pclmulqdq \$0x10,$HK,$Xm
731 movups 0x50($Htbl),$HK
734 movdqu 0x10($inp),$Xl
739 pshufd \$0b01001110,$Xl,$Xm
742 pclmulqdq \$0x00,$Hkey3,$Xl
744 pshufd \$0b01001110,$Xi,$T1
746 pclmulqdq \$0x11,$Hkey3,$Xh
747 pclmulqdq \$0x00,$HK,$Xm
758 pclmulqdq \$0x00,$Hkey4,$Xi
760 movdqu 0x30($inp),$Xl
762 pclmulqdq \$0x11,$Hkey4,$Xhi
764 movdqu 0x20($inp),$Xln
766 pclmulqdq \$0x10,$HK,$T1
767 pshufd \$0b01001110,$Xl,$Xm
771 movups 0x20($Htbl),$HK
773 pclmulqdq \$0x00,$Hkey,$Xl
774 pshufd \$0b01001110,$Xln,$Xmn
776 pxor $Xi,$T1 # aggregated Karatsuba post-processing
781 pclmulqdq \$0x11,$Hkey,$Xh
785 movdqa .L7_mask(%rip),$T1
789 pand $Xi,$T1 # 1st phase
792 pclmulqdq \$0x00,$HK,$Xm
796 pclmulqdq \$0x00,$Hkey2,$Xln
802 movdqa $Xi,$T2 # 2nd phase
804 pclmulqdq \$0x11,$Hkey2,$Xhn
806 movdqu 0x10($inp),$Xl
808 pclmulqdq \$0x10,$HK,$Xmn
810 movups 0x50($Htbl),$HK
818 pshufd \$0b01001110,$Xl,$Xm
822 pclmulqdq \$0x00,$Hkey3,$Xl
826 pclmulqdq \$0x11,$Hkey3,$Xh
828 pshufd \$0b01001110,$Xi,$T1
831 pclmulqdq \$0x00,$HK,$Xm
839 pclmulqdq \$0x00,$Hkey4,$Xi
840 pclmulqdq \$0x11,$Hkey4,$Xhi
841 pclmulqdq \$0x10,$HK,$T1
845 pxor $Xi,$Xhi # aggregated Karatsuba post-processing
857 &reduction_alg9($Xhi,$Xi);
861 movdqu 0x20($Htbl),$HK
869 # Xi+2 =[H*(Ii+1 + Xi+1)] mod P =
870 # [(H*Ii+1) + (H*Xi+1)] mod P =
871 # [(H*Ii+1) + H^2*(Ii+Xi)] mod P
873 movdqu ($inp),$T1 # Ii
874 movdqu 16($inp),$Xln # Ii+1
880 pshufd \$0b01001110,$Xln,$Xmn
882 pclmulqdq \$0x00,$Hkey,$Xln
883 pclmulqdq \$0x11,$Hkey,$Xhn
884 pclmulqdq \$0x00,$HK,$Xmn
886 lea 32($inp),$inp # i+=2
897 pshufd \$0b01001110,$Xi,$Xmn #
900 pclmulqdq \$0x00,$Hkey2,$Xi
901 pclmulqdq \$0x11,$Hkey2,$Xhi
902 pclmulqdq \$0x10,$HK,$Xmn
904 pxor $Xln,$Xi # (H*Ii+1) + H^2*(Ii+Xi)
906 movdqu ($inp),$T2 # Ii
907 pxor $Xi,$T1 # aggregated Karatsuba post-processing
909 movdqu 16($inp),$Xln # Ii+1
912 pxor $T2,$Xhi # "Ii+Xi", consume early
923 movdqa $Xi,$T2 # 1st phase
927 pclmulqdq \$0x00,$Hkey,$Xln #######
935 pshufd \$0b01001110,$Xhn,$Xmn
939 movdqa $Xi,$T2 # 2nd phase
941 pclmulqdq \$0x11,$Hkey,$Xhn #######
948 pclmulqdq \$0x00,$HK,$Xmn #######
957 pshufd \$0b01001110,$Xi,$Xmn #
960 pclmulqdq \$0x00,$Hkey2,$Xi
961 pclmulqdq \$0x11,$Hkey2,$Xhi
962 pclmulqdq \$0x10,$HK,$Xmn
964 pxor $Xln,$Xi # (H*Ii+1) + H^2*(Ii+Xi)
975 &reduction_alg9 ($Xhi,$Xi);
981 movdqu ($inp),$T1 # Ii
985 &clmul64x64_T2 ($Xhi,$Xi,$Hkey,$HK); # H*(Ii+Xi)
986 &reduction_alg9 ($Xhi,$Xi);
992 $code.=<<___ if ($win64);
994 movaps 0x10(%rsp),%xmm7
995 movaps 0x20(%rsp),%xmm8
996 movaps 0x30(%rsp),%xmm9
997 movaps 0x40(%rsp),%xmm10
998 movaps 0x50(%rsp),%xmm11
999 movaps 0x60(%rsp),%xmm12
1000 movaps 0x70(%rsp),%xmm13
1001 movaps 0x80(%rsp),%xmm14
1002 movaps 0x90(%rsp),%xmm15
1004 .LSEH_end_gcm_ghash_clmul:
1008 .size gcm_ghash_clmul,.-gcm_ghash_clmul
1014 .type gcm_init_avx,\@abi-omnipotent
1019 my ($Htbl,$Xip)=@_4args;
1022 $code.=<<___ if ($win64);
1023 .LSEH_begin_gcm_init_avx:
1024 # I can't trust assembler to use specific encoding:-(
1025 .byte 0x48,0x83,0xec,0x18 #sub $0x18,%rsp
1026 .byte 0x0f,0x29,0x34,0x24 #movaps %xmm6,(%rsp)
1031 vmovdqu ($Xip),$Hkey
1032 vpshufd \$0b01001110,$Hkey,$Hkey # dword swap
1035 vpshufd \$0b11111111,$Hkey,$T2 # broadcast uppermost dword
1036 vpsrlq \$63,$Hkey,$T1
1037 vpsllq \$1,$Hkey,$Hkey
1039 vpcmpgtd $T2,$T3,$T3 # broadcast carry bit
1041 vpor $T1,$Hkey,$Hkey # H<<=1
1044 vpand .L0x1c2_polynomial(%rip),$T3,$T3
1045 vpxor $T3,$Hkey,$Hkey # if(carry) H^=0x1c2_polynomial
1047 vpunpckhqdq $Hkey,$Hkey,$HK
1050 mov \$4,%r10 # up to H^8
1051 jmp .Linit_start_avx
1054 sub clmul64x64_avx {
1055 my ($Xhi,$Xi,$Hkey,$HK)=@_;
1057 if (!defined($HK)) { $HK = $T2;
1059 vpunpckhqdq $Xi,$Xi,$T1
1060 vpunpckhqdq $Hkey,$Hkey,$T2
1066 vpunpckhqdq $Xi,$Xi,$T1
1071 vpclmulqdq \$0x11,$Hkey,$Xi,$Xhi #######
1072 vpclmulqdq \$0x00,$Hkey,$Xi,$Xi #######
1073 vpclmulqdq \$0x00,$HK,$T1,$T1 #######
1074 vpxor $Xi,$Xhi,$T2 #
1077 vpslldq \$8,$T1,$T2 #
1088 vpsllq \$57,$Xi,$T1 # 1st phase
1093 vpslldq \$8,$T2,$T1 #
1098 vpsrlq \$1,$Xi,$T2 # 2nd phase
1103 vpsrlq \$1,$Xi,$Xi #
1104 vpxor $Xhi,$Xi,$Xi #
1111 vpalignr \$8,$T1,$T2,$T3 # low part is H.lo^H.hi...
1112 vmovdqu $T3,-0x10($Htbl) # save Karatsuba "salt"
1114 &clmul64x64_avx ($Xhi,$Xi,$Hkey,$HK); # calculate H^3,5,7
1115 &reduction_avx ($Xhi,$Xi);
1120 &clmul64x64_avx ($Xhi,$Xi,$Hkey,$HK); # calculate H^2,4,6,8
1121 &reduction_avx ($Xhi,$Xi);
1123 vpshufd \$0b01001110,$T3,$T1
1124 vpshufd \$0b01001110,$Xi,$T2
1125 vpxor $T3,$T1,$T1 # Karatsuba pre-processing
1126 vmovdqu $T3,0x00($Htbl) # save H^1,3,5,7
1127 vpxor $Xi,$T2,$T2 # Karatsuba pre-processing
1128 vmovdqu $Xi,0x10($Htbl) # save H^2,4,6,8
1129 lea 0x30($Htbl),$Htbl
1133 vpalignr \$8,$T2,$T1,$T3 # last "salt" is flipped
1134 vmovdqu $T3,-0x10($Htbl)
1138 $code.=<<___ if ($win64);
1141 .LSEH_end_gcm_init_avx:
1145 .size gcm_init_avx,.-gcm_init_avx
1150 .size gcm_init_avx,.-gcm_init_avx
1155 .globl gcm_gmult_avx
1156 .type gcm_gmult_avx,\@abi-omnipotent
1160 .size gcm_gmult_avx,.-gcm_gmult_avx
1164 .globl gcm_ghash_avx
1165 .type gcm_ghash_avx,\@abi-omnipotent
1170 my ($Xip,$Htbl,$inp,$len)=@_4args;
1174 $Xi,$Xo,$Tred,$bswap,$Ii,$Ij) = map("%xmm$_",(0..15));
1176 $code.=<<___ if ($win64);
1177 lea -0x88(%rsp),%rax
1178 .LSEH_begin_gcm_ghash_avx:
1179 # I can't trust assembler to use specific encoding:-(
1180 .byte 0x48,0x8d,0x60,0xe0 #lea -0x20(%rax),%rsp
1181 .byte 0x0f,0x29,0x70,0xe0 #movaps %xmm6,-0x20(%rax)
1182 .byte 0x0f,0x29,0x78,0xf0 #movaps %xmm7,-0x10(%rax)
1183 .byte 0x44,0x0f,0x29,0x00 #movaps %xmm8,0(%rax)
1184 .byte 0x44,0x0f,0x29,0x48,0x10 #movaps %xmm9,0x10(%rax)
1185 .byte 0x44,0x0f,0x29,0x50,0x20 #movaps %xmm10,0x20(%rax)
1186 .byte 0x44,0x0f,0x29,0x58,0x30 #movaps %xmm11,0x30(%rax)
1187 .byte 0x44,0x0f,0x29,0x60,0x40 #movaps %xmm12,0x40(%rax)
1188 .byte 0x44,0x0f,0x29,0x68,0x50 #movaps %xmm13,0x50(%rax)
1189 .byte 0x44,0x0f,0x29,0x70,0x60 #movaps %xmm14,0x60(%rax)
1190 .byte 0x44,0x0f,0x29,0x78,0x70 #movaps %xmm15,0x70(%rax)
1195 vmovdqu ($Xip),$Xi # load $Xi
1196 lea .L0x1c2_polynomial(%rip),%r10
1197 lea 0x40($Htbl),$Htbl # size optimization
1198 vmovdqu .Lbswap_mask(%rip),$bswap
1199 vpshufb $bswap,$Xi,$Xi
1204 vmovdqu 0x70($inp),$Ii # I[7]
1205 vmovdqu 0x00-0x40($Htbl),$Hkey # $Hkey^1
1206 vpshufb $bswap,$Ii,$Ii
1207 vmovdqu 0x20-0x40($Htbl),$HK
1209 vpunpckhqdq $Ii,$Ii,$T2
1210 vmovdqu 0x60($inp),$Ij # I[6]
1211 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1213 vpshufb $bswap,$Ij,$Ij
1214 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1215 vmovdqu 0x10-0x40($Htbl),$Hkey # $Hkey^2
1216 vpunpckhqdq $Ij,$Ij,$T1
1217 vmovdqu 0x50($inp),$Ii # I[5]
1218 vpclmulqdq \$0x00,$HK,$T2,$Xmi
1221 vpshufb $bswap,$Ii,$Ii
1222 vpclmulqdq \$0x00,$Hkey,$Ij,$Zlo
1223 vpunpckhqdq $Ii,$Ii,$T2
1224 vpclmulqdq \$0x11,$Hkey,$Ij,$Zhi
1225 vmovdqu 0x30-0x40($Htbl),$Hkey # $Hkey^3
1227 vmovdqu 0x40($inp),$Ij # I[4]
1228 vpclmulqdq \$0x10,$HK,$T1,$Zmi
1229 vmovdqu 0x50-0x40($Htbl),$HK
1231 vpshufb $bswap,$Ij,$Ij
1232 vpxor $Xlo,$Zlo,$Zlo
1233 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1234 vpxor $Xhi,$Zhi,$Zhi
1235 vpunpckhqdq $Ij,$Ij,$T1
1236 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1237 vmovdqu 0x40-0x40($Htbl),$Hkey # $Hkey^4
1238 vpxor $Xmi,$Zmi,$Zmi
1239 vpclmulqdq \$0x00,$HK,$T2,$Xmi
1242 vmovdqu 0x30($inp),$Ii # I[3]
1243 vpxor $Zlo,$Xlo,$Xlo
1244 vpclmulqdq \$0x00,$Hkey,$Ij,$Zlo
1245 vpxor $Zhi,$Xhi,$Xhi
1246 vpshufb $bswap,$Ii,$Ii
1247 vpclmulqdq \$0x11,$Hkey,$Ij,$Zhi
1248 vmovdqu 0x60-0x40($Htbl),$Hkey # $Hkey^5
1249 vpxor $Zmi,$Xmi,$Xmi
1250 vpunpckhqdq $Ii,$Ii,$T2
1251 vpclmulqdq \$0x10,$HK,$T1,$Zmi
1252 vmovdqu 0x80-0x40($Htbl),$HK
1255 vmovdqu 0x20($inp),$Ij # I[2]
1256 vpxor $Xlo,$Zlo,$Zlo
1257 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1258 vpxor $Xhi,$Zhi,$Zhi
1259 vpshufb $bswap,$Ij,$Ij
1260 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1261 vmovdqu 0x70-0x40($Htbl),$Hkey # $Hkey^6
1262 vpxor $Xmi,$Zmi,$Zmi
1263 vpunpckhqdq $Ij,$Ij,$T1
1264 vpclmulqdq \$0x00,$HK,$T2,$Xmi
1267 vmovdqu 0x10($inp),$Ii # I[1]
1268 vpxor $Zlo,$Xlo,$Xlo
1269 vpclmulqdq \$0x00,$Hkey,$Ij,$Zlo
1270 vpxor $Zhi,$Xhi,$Xhi
1271 vpshufb $bswap,$Ii,$Ii
1272 vpclmulqdq \$0x11,$Hkey,$Ij,$Zhi
1273 vmovdqu 0x90-0x40($Htbl),$Hkey # $Hkey^7
1274 vpxor $Zmi,$Xmi,$Xmi
1275 vpunpckhqdq $Ii,$Ii,$T2
1276 vpclmulqdq \$0x10,$HK,$T1,$Zmi
1277 vmovdqu 0xb0-0x40($Htbl),$HK
1280 vmovdqu ($inp),$Ij # I[0]
1281 vpxor $Xlo,$Zlo,$Zlo
1282 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1283 vpxor $Xhi,$Zhi,$Zhi
1284 vpshufb $bswap,$Ij,$Ij
1285 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1286 vmovdqu 0xa0-0x40($Htbl),$Hkey # $Hkey^8
1287 vpxor $Xmi,$Zmi,$Zmi
1288 vpclmulqdq \$0x10,$HK,$T2,$Xmi
1294 vpxor $Xi,$Ij,$Ij # accumulate $Xi
1300 vpunpckhqdq $Ij,$Ij,$T1
1301 vmovdqu 0x70($inp),$Ii # I[7]
1302 vpxor $Xlo,$Zlo,$Zlo
1304 vpclmulqdq \$0x00,$Hkey,$Ij,$Xi
1305 vpshufb $bswap,$Ii,$Ii
1306 vpxor $Xhi,$Zhi,$Zhi
1307 vpclmulqdq \$0x11,$Hkey,$Ij,$Xo
1308 vmovdqu 0x00-0x40($Htbl),$Hkey # $Hkey^1
1309 vpunpckhqdq $Ii,$Ii,$T2
1310 vpxor $Xmi,$Zmi,$Zmi
1311 vpclmulqdq \$0x00,$HK,$T1,$Tred
1312 vmovdqu 0x20-0x40($Htbl),$HK
1315 vmovdqu 0x60($inp),$Ij # I[6]
1316 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1317 vpxor $Zlo,$Xi,$Xi # collect result
1318 vpshufb $bswap,$Ij,$Ij
1319 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1321 vmovdqu 0x10-0x40($Htbl),$Hkey # $Hkey^2
1322 vpunpckhqdq $Ij,$Ij,$T1
1323 vpclmulqdq \$0x00,$HK, $T2,$Xmi
1324 vpxor $Zmi,$Tred,$Tred
1327 vmovdqu 0x50($inp),$Ii # I[5]
1328 vpxor $Xi,$Tred,$Tred # aggregated Karatsuba post-processing
1329 vpclmulqdq \$0x00,$Hkey,$Ij,$Zlo
1330 vpxor $Xo,$Tred,$Tred
1331 vpslldq \$8,$Tred,$T2
1332 vpxor $Xlo,$Zlo,$Zlo
1333 vpclmulqdq \$0x11,$Hkey,$Ij,$Zhi
1334 vpsrldq \$8,$Tred,$Tred
1336 vmovdqu 0x30-0x40($Htbl),$Hkey # $Hkey^3
1337 vpshufb $bswap,$Ii,$Ii
1338 vxorps $Tred,$Xo, $Xo
1339 vpxor $Xhi,$Zhi,$Zhi
1340 vpunpckhqdq $Ii,$Ii,$T2
1341 vpclmulqdq \$0x10,$HK, $T1,$Zmi
1342 vmovdqu 0x50-0x40($Htbl),$HK
1344 vpxor $Xmi,$Zmi,$Zmi
1346 vmovdqu 0x40($inp),$Ij # I[4]
1347 vpalignr \$8,$Xi,$Xi,$Tred # 1st phase
1348 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1349 vpshufb $bswap,$Ij,$Ij
1350 vpxor $Zlo,$Xlo,$Xlo
1351 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1352 vmovdqu 0x40-0x40($Htbl),$Hkey # $Hkey^4
1353 vpunpckhqdq $Ij,$Ij,$T1
1354 vpxor $Zhi,$Xhi,$Xhi
1355 vpclmulqdq \$0x00,$HK, $T2,$Xmi
1357 vpxor $Zmi,$Xmi,$Xmi
1359 vmovdqu 0x30($inp),$Ii # I[3]
1360 vpclmulqdq \$0x10,(%r10),$Xi,$Xi
1361 vpclmulqdq \$0x00,$Hkey,$Ij,$Zlo
1362 vpshufb $bswap,$Ii,$Ii
1363 vpxor $Xlo,$Zlo,$Zlo
1364 vpclmulqdq \$0x11,$Hkey,$Ij,$Zhi
1365 vmovdqu 0x60-0x40($Htbl),$Hkey # $Hkey^5
1366 vpunpckhqdq $Ii,$Ii,$T2
1367 vpxor $Xhi,$Zhi,$Zhi
1368 vpclmulqdq \$0x10,$HK, $T1,$Zmi
1369 vmovdqu 0x80-0x40($Htbl),$HK
1371 vpxor $Xmi,$Zmi,$Zmi
1373 vmovdqu 0x20($inp),$Ij # I[2]
1374 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1375 vpshufb $bswap,$Ij,$Ij
1376 vpxor $Zlo,$Xlo,$Xlo
1377 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1378 vmovdqu 0x70-0x40($Htbl),$Hkey # $Hkey^6
1379 vpunpckhqdq $Ij,$Ij,$T1
1380 vpxor $Zhi,$Xhi,$Xhi
1381 vpclmulqdq \$0x00,$HK, $T2,$Xmi
1383 vpxor $Zmi,$Xmi,$Xmi
1384 vxorps $Tred,$Xi,$Xi
1386 vmovdqu 0x10($inp),$Ii # I[1]
1387 vpalignr \$8,$Xi,$Xi,$Tred # 2nd phase
1388 vpclmulqdq \$0x00,$Hkey,$Ij,$Zlo
1389 vpshufb $bswap,$Ii,$Ii
1390 vpxor $Xlo,$Zlo,$Zlo
1391 vpclmulqdq \$0x11,$Hkey,$Ij,$Zhi
1392 vmovdqu 0x90-0x40($Htbl),$Hkey # $Hkey^7
1393 vpclmulqdq \$0x10,(%r10),$Xi,$Xi
1394 vxorps $Xo,$Tred,$Tred
1395 vpunpckhqdq $Ii,$Ii,$T2
1396 vpxor $Xhi,$Zhi,$Zhi
1397 vpclmulqdq \$0x10,$HK, $T1,$Zmi
1398 vmovdqu 0xb0-0x40($Htbl),$HK
1400 vpxor $Xmi,$Zmi,$Zmi
1402 vmovdqu ($inp),$Ij # I[0]
1403 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1404 vpshufb $bswap,$Ij,$Ij
1405 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1406 vmovdqu 0xa0-0x40($Htbl),$Hkey # $Hkey^8
1408 vpclmulqdq \$0x10,$HK, $T2,$Xmi
1409 vpxor $Xi,$Ij,$Ij # accumulate $Xi
1416 jmp .Ltail_no_xor_avx
1420 vmovdqu -0x10($inp,$len),$Ii # very last word
1421 lea ($inp,$len),$inp
1422 vmovdqu 0x00-0x40($Htbl),$Hkey # $Hkey^1
1423 vmovdqu 0x20-0x40($Htbl),$HK
1424 vpshufb $bswap,$Ii,$Ij
1426 vmovdqa $Xlo,$Zlo # subtle way to zero $Zlo,
1427 vmovdqa $Xhi,$Zhi # $Zhi and
1428 vmovdqa $Xmi,$Zmi # $Zmi
1432 vpunpckhqdq $Ij,$Ij,$T1
1433 vpxor $Xlo,$Zlo,$Zlo
1434 vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo
1436 vmovdqu -0x20($inp),$Ii
1437 vpxor $Xhi,$Zhi,$Zhi
1438 vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi
1439 vmovdqu 0x10-0x40($Htbl),$Hkey # $Hkey^2
1440 vpshufb $bswap,$Ii,$Ij
1441 vpxor $Xmi,$Zmi,$Zmi
1442 vpclmulqdq \$0x00,$HK,$T1,$Xmi
1447 vpunpckhqdq $Ij,$Ij,$T1
1448 vpxor $Xlo,$Zlo,$Zlo
1449 vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo
1451 vmovdqu -0x30($inp),$Ii
1452 vpxor $Xhi,$Zhi,$Zhi
1453 vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi
1454 vmovdqu 0x30-0x40($Htbl),$Hkey # $Hkey^3
1455 vpshufb $bswap,$Ii,$Ij
1456 vpxor $Xmi,$Zmi,$Zmi
1457 vpclmulqdq \$0x00,$HK,$T1,$Xmi
1458 vmovdqu 0x50-0x40($Htbl),$HK
1462 vpunpckhqdq $Ij,$Ij,$T1
1463 vpxor $Xlo,$Zlo,$Zlo
1464 vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo
1466 vmovdqu -0x40($inp),$Ii
1467 vpxor $Xhi,$Zhi,$Zhi
1468 vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi
1469 vmovdqu 0x40-0x40($Htbl),$Hkey # $Hkey^4
1470 vpshufb $bswap,$Ii,$Ij
1471 vpxor $Xmi,$Zmi,$Zmi
1472 vpclmulqdq \$0x00,$HK,$T1,$Xmi
1477 vpunpckhqdq $Ij,$Ij,$T1
1478 vpxor $Xlo,$Zlo,$Zlo
1479 vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo
1481 vmovdqu -0x50($inp),$Ii
1482 vpxor $Xhi,$Zhi,$Zhi
1483 vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi
1484 vmovdqu 0x60-0x40($Htbl),$Hkey # $Hkey^5
1485 vpshufb $bswap,$Ii,$Ij
1486 vpxor $Xmi,$Zmi,$Zmi
1487 vpclmulqdq \$0x00,$HK,$T1,$Xmi
1488 vmovdqu 0x80-0x40($Htbl),$HK
1492 vpunpckhqdq $Ij,$Ij,$T1
1493 vpxor $Xlo,$Zlo,$Zlo
1494 vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo
1496 vmovdqu -0x60($inp),$Ii
1497 vpxor $Xhi,$Zhi,$Zhi
1498 vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi
1499 vmovdqu 0x70-0x40($Htbl),$Hkey # $Hkey^6
1500 vpshufb $bswap,$Ii,$Ij
1501 vpxor $Xmi,$Zmi,$Zmi
1502 vpclmulqdq \$0x00,$HK,$T1,$Xmi
1507 vpunpckhqdq $Ij,$Ij,$T1
1508 vpxor $Xlo,$Zlo,$Zlo
1509 vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo
1511 vmovdqu -0x70($inp),$Ii
1512 vpxor $Xhi,$Zhi,$Zhi
1513 vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi
1514 vmovdqu 0x90-0x40($Htbl),$Hkey # $Hkey^7
1515 vpshufb $bswap,$Ii,$Ij
1516 vpxor $Xmi,$Zmi,$Zmi
1517 vpclmulqdq \$0x00,$HK,$T1,$Xmi
1518 vmovq 0xb8-0x40($Htbl),$HK
1524 vpxor $Xi,$Ij,$Ij # accumulate $Xi
1526 vpunpckhqdq $Ij,$Ij,$T1
1527 vpxor $Xlo,$Zlo,$Zlo
1528 vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo
1530 vpxor $Xhi,$Zhi,$Zhi
1531 vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi
1532 vpxor $Xmi,$Zmi,$Zmi
1533 vpclmulqdq \$0x00,$HK,$T1,$Xmi
1535 vmovdqu (%r10),$Tred
1539 vpxor $Xmi,$Zmi,$Zmi
1541 vpxor $Xi, $Zmi,$Zmi # aggregated Karatsuba post-processing
1542 vpxor $Xo, $Zmi,$Zmi
1543 vpslldq \$8, $Zmi,$T2
1544 vpsrldq \$8, $Zmi,$Zmi
1548 vpclmulqdq \$0x10,$Tred,$Xi,$T2 # 1st phase
1549 vpalignr \$8,$Xi,$Xi,$Xi
1552 vpclmulqdq \$0x10,$Tred,$Xi,$T2 # 2nd phase
1553 vpalignr \$8,$Xi,$Xi,$Xi
1560 vpshufb $bswap,$Xi,$Xi
1564 $code.=<<___ if ($win64);
1566 movaps 0x10(%rsp),%xmm7
1567 movaps 0x20(%rsp),%xmm8
1568 movaps 0x30(%rsp),%xmm9
1569 movaps 0x40(%rsp),%xmm10
1570 movaps 0x50(%rsp),%xmm11
1571 movaps 0x60(%rsp),%xmm12
1572 movaps 0x70(%rsp),%xmm13
1573 movaps 0x80(%rsp),%xmm14
1574 movaps 0x90(%rsp),%xmm15
1576 .LSEH_end_gcm_ghash_avx:
1580 .size gcm_ghash_avx,.-gcm_ghash_avx
1585 .size gcm_ghash_avx,.-gcm_ghash_avx
1592 .byte 15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0
1594 .byte 1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0xc2
1598 .long 7,0,`0xE1<<1`,0
1600 .type .Lrem_4bit,\@object
1602 .long 0,`0x0000<<16`,0,`0x1C20<<16`,0,`0x3840<<16`,0,`0x2460<<16`
1603 .long 0,`0x7080<<16`,0,`0x6CA0<<16`,0,`0x48C0<<16`,0,`0x54E0<<16`
1604 .long 0,`0xE100<<16`,0,`0xFD20<<16`,0,`0xD940<<16`,0,`0xC560<<16`
1605 .long 0,`0x9180<<16`,0,`0x8DA0<<16`,0,`0xA9C0<<16`,0,`0xB5E0<<16`
1606 .type .Lrem_8bit,\@object
1608 .value 0x0000,0x01C2,0x0384,0x0246,0x0708,0x06CA,0x048C,0x054E
1609 .value 0x0E10,0x0FD2,0x0D94,0x0C56,0x0918,0x08DA,0x0A9C,0x0B5E
1610 .value 0x1C20,0x1DE2,0x1FA4,0x1E66,0x1B28,0x1AEA,0x18AC,0x196E
1611 .value 0x1230,0x13F2,0x11B4,0x1076,0x1538,0x14FA,0x16BC,0x177E
1612 .value 0x3840,0x3982,0x3BC4,0x3A06,0x3F48,0x3E8A,0x3CCC,0x3D0E
1613 .value 0x3650,0x3792,0x35D4,0x3416,0x3158,0x309A,0x32DC,0x331E
1614 .value 0x2460,0x25A2,0x27E4,0x2626,0x2368,0x22AA,0x20EC,0x212E
1615 .value 0x2A70,0x2BB2,0x29F4,0x2836,0x2D78,0x2CBA,0x2EFC,0x2F3E
1616 .value 0x7080,0x7142,0x7304,0x72C6,0x7788,0x764A,0x740C,0x75CE
1617 .value 0x7E90,0x7F52,0x7D14,0x7CD6,0x7998,0x785A,0x7A1C,0x7BDE
1618 .value 0x6CA0,0x6D62,0x6F24,0x6EE6,0x6BA8,0x6A6A,0x682C,0x69EE
1619 .value 0x62B0,0x6372,0x6134,0x60F6,0x65B8,0x647A,0x663C,0x67FE
1620 .value 0x48C0,0x4902,0x4B44,0x4A86,0x4FC8,0x4E0A,0x4C4C,0x4D8E
1621 .value 0x46D0,0x4712,0x4554,0x4496,0x41D8,0x401A,0x425C,0x439E
1622 .value 0x54E0,0x5522,0x5764,0x56A6,0x53E8,0x522A,0x506C,0x51AE
1623 .value 0x5AF0,0x5B32,0x5974,0x58B6,0x5DF8,0x5C3A,0x5E7C,0x5FBE
1624 .value 0xE100,0xE0C2,0xE284,0xE346,0xE608,0xE7CA,0xE58C,0xE44E
1625 .value 0xEF10,0xEED2,0xEC94,0xED56,0xE818,0xE9DA,0xEB9C,0xEA5E
1626 .value 0xFD20,0xFCE2,0xFEA4,0xFF66,0xFA28,0xFBEA,0xF9AC,0xF86E
1627 .value 0xF330,0xF2F2,0xF0B4,0xF176,0xF438,0xF5FA,0xF7BC,0xF67E
1628 .value 0xD940,0xD882,0xDAC4,0xDB06,0xDE48,0xDF8A,0xDDCC,0xDC0E
1629 .value 0xD750,0xD692,0xD4D4,0xD516,0xD058,0xD19A,0xD3DC,0xD21E
1630 .value 0xC560,0xC4A2,0xC6E4,0xC726,0xC268,0xC3AA,0xC1EC,0xC02E
1631 .value 0xCB70,0xCAB2,0xC8F4,0xC936,0xCC78,0xCDBA,0xCFFC,0xCE3E
1632 .value 0x9180,0x9042,0x9204,0x93C6,0x9688,0x974A,0x950C,0x94CE
1633 .value 0x9F90,0x9E52,0x9C14,0x9DD6,0x9898,0x995A,0x9B1C,0x9ADE
1634 .value 0x8DA0,0x8C62,0x8E24,0x8FE6,0x8AA8,0x8B6A,0x892C,0x88EE
1635 .value 0x83B0,0x8272,0x8034,0x81F6,0x84B8,0x857A,0x873C,0x86FE
1636 .value 0xA9C0,0xA802,0xAA44,0xAB86,0xAEC8,0xAF0A,0xAD4C,0xAC8E
1637 .value 0xA7D0,0xA612,0xA454,0xA596,0xA0D8,0xA11A,0xA35C,0xA29E
1638 .value 0xB5E0,0xB422,0xB664,0xB7A6,0xB2E8,0xB32A,0xB16C,0xB0AE
1639 .value 0xBBF0,0xBA32,0xB874,0xB9B6,0xBCF8,0xBD3A,0xBF7C,0xBEBE
1641 .asciz "GHASH for x86_64, CRYPTOGAMS by <appro\@openssl.org>"
1645 # EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame,
1646 # CONTEXT *context,DISPATCHER_CONTEXT *disp)
1654 .extern __imp_RtlVirtualUnwind
1655 .type se_handler,\@abi-omnipotent
1669 mov 120($context),%rax # pull context->Rax
1670 mov 248($context),%rbx # pull context->Rip
1672 mov 8($disp),%rsi # disp->ImageBase
1673 mov 56($disp),%r11 # disp->HandlerData
1675 mov 0(%r11),%r10d # HandlerData[0]
1676 lea (%rsi,%r10),%r10 # prologue label
1677 cmp %r10,%rbx # context->Rip<prologue label
1680 mov 152($context),%rax # pull context->Rsp
1682 mov 4(%r11),%r10d # HandlerData[1]
1683 lea (%rsi,%r10),%r10 # epilogue label
1684 cmp %r10,%rbx # context->Rip>=epilogue label
1687 lea 48+280(%rax),%rax # adjust "rsp"
1695 mov %rbx,144($context) # restore context->Rbx
1696 mov %rbp,160($context) # restore context->Rbp
1697 mov %r12,216($context) # restore context->R12
1698 mov %r13,224($context) # restore context->R13
1699 mov %r14,232($context) # restore context->R14
1700 mov %r15,240($context) # restore context->R15
1705 mov %rax,152($context) # restore context->Rsp
1706 mov %rsi,168($context) # restore context->Rsi
1707 mov %rdi,176($context) # restore context->Rdi
1709 mov 40($disp),%rdi # disp->ContextRecord
1710 mov $context,%rsi # context
1711 mov \$`1232/8`,%ecx # sizeof(CONTEXT)
1712 .long 0xa548f3fc # cld; rep movsq
1715 xor %rcx,%rcx # arg1, UNW_FLAG_NHANDLER
1716 mov 8(%rsi),%rdx # arg2, disp->ImageBase
1717 mov 0(%rsi),%r8 # arg3, disp->ControlPc
1718 mov 16(%rsi),%r9 # arg4, disp->FunctionEntry
1719 mov 40(%rsi),%r10 # disp->ContextRecord
1720 lea 56(%rsi),%r11 # &disp->HandlerData
1721 lea 24(%rsi),%r12 # &disp->EstablisherFrame
1722 mov %r10,32(%rsp) # arg5
1723 mov %r11,40(%rsp) # arg6
1724 mov %r12,48(%rsp) # arg7
1725 mov %rcx,56(%rsp) # arg8, (NULL)
1726 call *__imp_RtlVirtualUnwind(%rip)
1728 mov \$1,%eax # ExceptionContinueSearch
1740 .size se_handler,.-se_handler
1744 .rva .LSEH_begin_gcm_gmult_4bit
1745 .rva .LSEH_end_gcm_gmult_4bit
1746 .rva .LSEH_info_gcm_gmult_4bit
1748 .rva .LSEH_begin_gcm_ghash_4bit
1749 .rva .LSEH_end_gcm_ghash_4bit
1750 .rva .LSEH_info_gcm_ghash_4bit
1752 .rva .LSEH_begin_gcm_init_clmul
1753 .rva .LSEH_end_gcm_init_clmul
1754 .rva .LSEH_info_gcm_init_clmul
1756 .rva .LSEH_begin_gcm_ghash_clmul
1757 .rva .LSEH_end_gcm_ghash_clmul
1758 .rva .LSEH_info_gcm_ghash_clmul
1760 $code.=<<___ if ($avx);
1761 .rva .LSEH_begin_gcm_init_avx
1762 .rva .LSEH_end_gcm_init_avx
1763 .rva .LSEH_info_gcm_init_clmul
1765 .rva .LSEH_begin_gcm_ghash_avx
1766 .rva .LSEH_end_gcm_ghash_avx
1767 .rva .LSEH_info_gcm_ghash_clmul
1772 .LSEH_info_gcm_gmult_4bit:
1775 .rva .Lgmult_prologue,.Lgmult_epilogue # HandlerData
1776 .LSEH_info_gcm_ghash_4bit:
1779 .rva .Lghash_prologue,.Lghash_epilogue # HandlerData
1780 .LSEH_info_gcm_init_clmul:
1781 .byte 0x01,0x08,0x03,0x00
1782 .byte 0x08,0x68,0x00,0x00 #movaps 0x00(rsp),xmm6
1783 .byte 0x04,0x22,0x00,0x00 #sub rsp,0x18
1784 .LSEH_info_gcm_ghash_clmul:
1785 .byte 0x01,0x33,0x16,0x00
1786 .byte 0x33,0xf8,0x09,0x00 #movaps 0x90(rsp),xmm15
1787 .byte 0x2e,0xe8,0x08,0x00 #movaps 0x80(rsp),xmm14
1788 .byte 0x29,0xd8,0x07,0x00 #movaps 0x70(rsp),xmm13
1789 .byte 0x24,0xc8,0x06,0x00 #movaps 0x60(rsp),xmm12
1790 .byte 0x1f,0xb8,0x05,0x00 #movaps 0x50(rsp),xmm11
1791 .byte 0x1a,0xa8,0x04,0x00 #movaps 0x40(rsp),xmm10
1792 .byte 0x15,0x98,0x03,0x00 #movaps 0x30(rsp),xmm9
1793 .byte 0x10,0x88,0x02,0x00 #movaps 0x20(rsp),xmm8
1794 .byte 0x0c,0x78,0x01,0x00 #movaps 0x10(rsp),xmm7
1795 .byte 0x08,0x68,0x00,0x00 #movaps 0x00(rsp),xmm6
1796 .byte 0x04,0x01,0x15,0x00 #sub rsp,0xa8
1800 $code =~ s/\`([^\`]*)\`/eval($1)/gem;