3 # ====================================================================
4 # Written by Andy Polyakov <appro@openssl.org> for the OpenSSL
5 # project. The module is, however, dual licensed under OpenSSL and
6 # CRYPTOGAMS licenses depending on where you obtain it. For further
7 # details see http://www.openssl.org/~appro/cryptogams/.
8 # ====================================================================
12 # The module implements "4-bit" GCM GHASH function and underlying
13 # single multiplication operation in GF(2^128). "4-bit" means that
14 # it uses 256 bytes per-key table [+128 bytes shared table]. GHASH
15 # function features so called "528B" variant utilizing additional
16 # 256+16 bytes of per-key storage [+512 bytes shared table].
17 # Performance results are for this streamed GHASH subroutine and are
18 # expressed in cycles per processed byte, less is better:
20 # gcc 3.4.x(*) assembler
23 # Opteron 19.3 7.7 +150%
24 # Core2 17.8 8.1(**) +120%
26 # VIA Nano 21.8 10.1 +115%
28 # (*) comparison is not completely fair, because C results are
29 # for vanilla "256B" implementation, while assembler results
31 # (**) it's mystery [to me] why Core2 result is not same as for
36 # Add PCLMULQDQ version performing at 2.02 cycles per processed byte.
37 # See ghash-x86.pl for background information and details about coding
40 # Special thanks to David Woodhouse <dwmw2@infradead.org> for
41 # providing access to a Westmere-based system on behalf of Intel
42 # Open Source Technology Centre.
46 # Overhaul: aggregate Karatsuba post-processing, improve ILP in
47 # reduction_alg9, increase reduction aggregate factor to 4x. As for
48 # the latter. ghash-x86.pl discusses that it makes lesser sense to
49 # increase aggregate factor. Then why increase here? Critical path
50 # consists of 3 independent pclmulqdq instructions, Karatsuba post-
51 # processing and reduction. "On top" of this we lay down aggregated
52 # multiplication operations, triplets of independent pclmulqdq's. As
53 # issue rate for pclmulqdq is limited, it makes lesser sense to
54 # aggregate more multiplications than it takes to perform remaining
55 # non-multiplication operations. 2x is near-optimal coefficient for
56 # contemporary Intel CPUs (therefore modest improvement coefficient),
57 # but not for Bulldozer. Latter is because logical SIMD operations
58 # are twice as slow in comparison to Intel, so that critical path is
59 # longer. A CPU with higher pclmulqdq issue rate would also benefit
60 # from higher aggregate factor...
63 # Sandy Bridge 1.80(+8%)
64 # Ivy Bridge 1.80(+7%)
65 # Haswell 0.55(+93%) (if system doesn't support AVX)
66 # Bulldozer 1.49(+27%)
70 # ... 8x aggregate factor AVX code path is using reduction algorithm
71 # suggested by Shay Gueron[1]. Even though contemporary AVX-capable
72 # CPUs such as Sandy and Ivy Bridge can execute it, the code performs
73 # sub-optimally in comparison to above mentioned version. But thanks
74 # to Ilya Albrekht and Max Locktyukhin of Intel Corp. we knew that
75 # it performs in 0.41 cycles per byte on Haswell processor.
77 # [1] http://rt.openssl.org/Ticket/Display.html?id=2900&user=guest&pass=guest
81 if ($flavour =~ /\./) { $output = $flavour; undef $flavour; }
83 $win64=0; $win64=1 if ($flavour =~ /[nm]asm|mingw64/ || $output =~ /\.asm$/);
85 $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
86 ( $xlate="${dir}x86_64-xlate.pl" and -f $xlate ) or
87 ( $xlate="${dir}../../perlasm/x86_64-xlate.pl" and -f $xlate) or
88 die "can't locate x86_64-xlate.pl";
90 if (`$ENV{CC} -Wa,-v -c -o /dev/null -x assembler /dev/null 2>&1`
91 =~ /GNU assembler version ([2-9]\.[0-9]+)/) {
92 $avx = ($1>=2.19) + ($1>=2.22);
95 if (!$avx && $win64 && ($flavour =~ /nasm/ || $ENV{ASM} =~ /nasm/) &&
96 `nasm -v 2>&1` =~ /NASM version ([2-9]\.[0-9]+)/) {
97 $avx = ($1>=2.09) + ($1>=2.10);
100 if (!$avx && $win64 && ($flavour =~ /masm/ || $ENV{ASM} =~ /ml64/) &&
101 `ml64 2>&1` =~ /Version ([0-9]+)\./) {
102 $avx = ($1>=10) + ($1>=11);
105 if (!$avx && `$ENV{CC} -v 2>&1` =~ /(^clang version|based on LLVM) ([3-9]\.[0-9]+)/) {
106 $avx = ($2>=3.0) + ($2>3.0);
109 open OUT,"| \"$^X\" $xlate $flavour $output";
114 # common register layout
125 # per-function register layout
129 sub LB() { my $r=shift; $r =~ s/%[er]([a-d])x/%\1l/ or
130 $r =~ s/%[er]([sd]i)/%\1l/ or
131 $r =~ s/%[er](bp)/%\1l/ or
132 $r =~ s/%(r[0-9]+)[d]?/%\1b/; $r; }
134 sub AUTOLOAD() # thunk [simplified] 32-bit style perlasm
135 { my $opcode = $AUTOLOAD; $opcode =~ s/.*:://;
137 $arg = "\$$arg" if ($arg*1 eq $arg);
138 $code .= "\t$opcode\t".join(',',$arg,reverse @_)."\n";
149 mov `&LB("$Zlo")`,`&LB("$nlo")`
150 mov `&LB("$Zlo")`,`&LB("$nhi")`
151 shl \$4,`&LB("$nlo")`
153 mov 8($Htbl,$nlo),$Zlo
154 mov ($Htbl,$nlo),$Zhi
155 and \$0xf0,`&LB("$nhi")`
164 mov ($inp,$cnt),`&LB("$nlo")`
166 xor 8($Htbl,$nhi),$Zlo
168 xor ($Htbl,$nhi),$Zhi
169 mov `&LB("$nlo")`,`&LB("$nhi")`
170 xor ($rem_4bit,$rem,8),$Zhi
172 shl \$4,`&LB("$nlo")`
181 xor 8($Htbl,$nlo),$Zlo
183 xor ($Htbl,$nlo),$Zhi
184 and \$0xf0,`&LB("$nhi")`
185 xor ($rem_4bit,$rem,8),$Zhi
196 xor 8($Htbl,$nlo),$Zlo
198 xor ($Htbl,$nlo),$Zhi
199 and \$0xf0,`&LB("$nhi")`
200 xor ($rem_4bit,$rem,8),$Zhi
208 xor 8($Htbl,$nhi),$Zlo
210 xor ($Htbl,$nhi),$Zhi
212 xor ($rem_4bit,$rem,8),$Zhi
221 .extern OPENSSL_ia32cap_P
223 .globl gcm_gmult_4bit
224 .type gcm_gmult_4bit,\@function,2
228 push %rbp # %rbp and %r12 are pushed exclusively in
229 push %r12 # order to reuse Win64 exception handler...
233 lea .Lrem_4bit(%rip),$rem_4bit
244 .size gcm_gmult_4bit,.-gcm_gmult_4bit
247 # per-function register layout
253 .globl gcm_ghash_4bit
254 .type gcm_ghash_4bit,\@function,4
265 mov $inp,%r14 # reassign couple of args
271 my @nhi=("%ebx","%ecx");
272 my @rem=("%r12","%r13");
275 &sub ($Htbl,-128); # size optimization
276 &lea ($Hshr4,"16+128(%rsp)");
277 { my @lo =($nlo,$nhi);
281 for ($i=0,$j=-2;$i<18;$i++,$j++) {
282 &mov ("$j(%rsp)",&LB($dat)) if ($i>1);
283 &or ($lo[0],$tmp) if ($i>1);
284 &mov (&LB($dat),&LB($lo[1])) if ($i>0 && $i<17);
285 &shr ($lo[1],4) if ($i>0 && $i<17);
286 &mov ($tmp,$hi[1]) if ($i>0 && $i<17);
287 &shr ($hi[1],4) if ($i>0 && $i<17);
288 &mov ("8*$j($Hshr4)",$hi[0]) if ($i>1);
289 &mov ($hi[0],"16*$i+0-128($Htbl)") if ($i<16);
290 &shl (&LB($dat),4) if ($i>0 && $i<17);
291 &mov ("8*$j-128($Hshr4)",$lo[0]) if ($i>1);
292 &mov ($lo[0],"16*$i+8-128($Htbl)") if ($i<16);
293 &shl ($tmp,60) if ($i>0 && $i<17);
295 push (@lo,shift(@lo));
296 push (@hi,shift(@hi));
300 &mov ($Zlo,"8($Xi)");
301 &mov ($Zhi,"0($Xi)");
302 &add ($len,$inp); # pointer to the end of data
303 &lea ($rem_8bit,".Lrem_8bit(%rip)");
304 &jmp (".Louter_loop");
306 $code.=".align 16\n.Louter_loop:\n";
307 &xor ($Zhi,"($inp)");
308 &mov ("%rdx","8($inp)");
309 &lea ($inp,"16($inp)");
312 &mov ("8($Xi)","%rdx");
317 &mov (&LB($nlo),&LB($dat));
318 &movz ($nhi[0],&LB($dat));
322 for ($j=11,$i=0;$i<15;$i++) {
324 &xor ($Zlo,"8($Htbl,$nlo)") if ($i>0);
325 &xor ($Zhi,"($Htbl,$nlo)") if ($i>0);
326 &mov ($Zlo,"8($Htbl,$nlo)") if ($i==0);
327 &mov ($Zhi,"($Htbl,$nlo)") if ($i==0);
329 &mov (&LB($nlo),&LB($dat));
330 &xor ($Zlo,$tmp) if ($i>0);
331 &movzw ($rem[1],"($rem_8bit,$rem[1],2)") if ($i>0);
333 &movz ($nhi[1],&LB($dat));
335 &movzb ($rem[0],"(%rsp,$nhi[0])");
337 &shr ($nhi[1],4) if ($i<14);
338 &and ($nhi[1],0xf0) if ($i==14);
339 &shl ($rem[1],48) if ($i>0);
343 &xor ($Zhi,$rem[1]) if ($i>0);
346 &movz ($rem[0],&LB($rem[0]));
347 &mov ($dat,"$j($Xi)") if (--$j%4==0);
350 &xor ($Zlo,"-128($Hshr4,$nhi[0],8)");
352 &xor ($Zhi,"($Hshr4,$nhi[0],8)");
354 unshift (@nhi,pop(@nhi)); # "rotate" registers
355 unshift (@rem,pop(@rem));
357 &movzw ($rem[1],"($rem_8bit,$rem[1],2)");
358 &xor ($Zlo,"8($Htbl,$nlo)");
359 &xor ($Zhi,"($Htbl,$nlo)");
365 &movz ($rem[0],&LB($Zlo));
369 &shl (&LB($rem[0]),4);
372 &xor ($Zlo,"8($Htbl,$nhi[0])");
373 &movzw ($rem[0],"($rem_8bit,$rem[0],2)");
376 &xor ($Zhi,"($Htbl,$nhi[0])");
385 &jb (".Louter_loop");
401 .size gcm_ghash_4bit,.-gcm_ghash_4bit
404 ######################################################################
407 @_4args=$win64? ("%rcx","%rdx","%r8", "%r9") : # Win64 order
408 ("%rdi","%rsi","%rdx","%rcx"); # Unix order
410 ($Xi,$Xhi)=("%xmm0","%xmm1"); $Hkey="%xmm2";
411 ($T1,$T2,$T3)=("%xmm3","%xmm4","%xmm5");
413 sub clmul64x64_T2 { # minimal register pressure
414 my ($Xhi,$Xi,$Hkey,$HK)=@_;
416 if (!defined($HK)) { $HK = $T2;
419 pshufd \$0b01001110,$Xi,$T1
420 pshufd \$0b01001110,$Hkey,$T2
427 pshufd \$0b01001110,$Xi,$T1
432 pclmulqdq \$0x00,$Hkey,$Xi #######
433 pclmulqdq \$0x11,$Hkey,$Xhi #######
434 pclmulqdq \$0x00,$HK,$T1 #######
446 sub reduction_alg9 { # 17/11 times faster than Intel version
476 { my ($Htbl,$Xip)=@_4args;
480 .globl gcm_init_clmul
481 .type gcm_init_clmul,\@abi-omnipotent
486 $code.=<<___ if ($win64);
487 .LSEH_begin_gcm_init_clmul:
488 # I can't trust assembler to use specific encoding:-(
489 .byte 0x48,0x83,0xec,0x18 #sub $0x18,%rsp
490 .byte 0x0f,0x29,0x34,0x24 #movaps %xmm6,(%rsp)
494 pshufd \$0b01001110,$Hkey,$Hkey # dword swap
497 pshufd \$0b11111111,$Hkey,$T2 # broadcast uppermost dword
502 pcmpgtd $T2,$T3 # broadcast carry bit
504 por $T1,$Hkey # H<<=1
507 pand .L0x1c2_polynomial(%rip),$T3
508 pxor $T3,$Hkey # if(carry) H^=0x1c2_polynomial
511 pshufd \$0b01001110,$Hkey,$HK
515 &clmul64x64_T2 ($Xhi,$Xi,$Hkey,$HK);
516 &reduction_alg9 ($Xhi,$Xi);
518 pshufd \$0b01001110,$Hkey,$T1
519 pshufd \$0b01001110,$Xi,$T2
520 pxor $Hkey,$T1 # Karatsuba pre-processing
521 movdqu $Hkey,0x00($Htbl) # save H
522 pxor $Xi,$T2 # Karatsuba pre-processing
523 movdqu $Xi,0x10($Htbl) # save H^2
524 palignr \$8,$T1,$T2 # low part is H.lo^H.hi...
525 movdqu $T2,0x20($Htbl) # save Karatsuba "salt"
528 &clmul64x64_T2 ($Xhi,$Xi,$Hkey,$HK); # H^3
529 &reduction_alg9 ($Xhi,$Xi);
533 &clmul64x64_T2 ($Xhi,$Xi,$Hkey,$HK); # H^4
534 &reduction_alg9 ($Xhi,$Xi);
536 pshufd \$0b01001110,$T3,$T1
537 pshufd \$0b01001110,$Xi,$T2
538 pxor $T3,$T1 # Karatsuba pre-processing
539 movdqu $T3,0x30($Htbl) # save H^3
540 pxor $Xi,$T2 # Karatsuba pre-processing
541 movdqu $Xi,0x40($Htbl) # save H^4
542 palignr \$8,$T1,$T2 # low part is H^3.lo^H^3.hi...
543 movdqu $T2,0x50($Htbl) # save Karatsuba "salt"
546 $code.=<<___ if ($win64);
549 .LSEH_end_gcm_init_clmul:
553 .size gcm_init_clmul,.-gcm_init_clmul
557 { my ($Xip,$Htbl)=@_4args;
560 .globl gcm_gmult_clmul
561 .type gcm_gmult_clmul,\@abi-omnipotent
566 movdqa .Lbswap_mask(%rip),$T3
568 movdqu 0x20($Htbl),$T2
571 &clmul64x64_T2 ($Xhi,$Xi,$Hkey,$T2);
572 $code.=<<___ if (0 || (&reduction_alg9($Xhi,$Xi)&&0));
573 # experimental alternative. special thing about is that there
574 # no dependency between the two multiplications...
576 mov \$0xA040608020C0E000,%r10 # ((7..0)·0xE0)&0xff
580 movq %r11,$T3 # borrow $T3
582 pshufb $T3,$T2 # ($Xi&7)·0xE0
584 pclmulqdq \$0x00,$Xi,$T1 # ·(0xE1<<1)
587 paddd $T2,$T2 # <<(64+56+1)
589 pclmulqdq \$0x01,$T3,$Xi
590 movdqa .Lbswap_mask(%rip),$T3 # reload $T3
600 .size gcm_gmult_clmul,.-gcm_gmult_clmul
604 { my ($Xip,$Htbl,$inp,$len)=@_4args;
605 my ($Xln,$Xmn,$Xhn,$Hkey2,$HK) = map("%xmm$_",(3..7));
606 my ($T1,$T2,$T3)=map("%xmm$_",(8..10));
609 .globl gcm_ghash_clmul
610 .type gcm_ghash_clmul,\@abi-omnipotent
615 $code.=<<___ if ($win64);
617 .LSEH_begin_gcm_ghash_clmul:
618 # I can't trust assembler to use specific encoding:-(
619 .byte 0x48,0x8d,0x60,0xe0 #lea -0x20(%rax),%rsp
620 .byte 0x0f,0x29,0x70,0xe0 #movaps %xmm6,-0x20(%rax)
621 .byte 0x0f,0x29,0x78,0xf0 #movaps %xmm7,-0x10(%rax)
622 .byte 0x44,0x0f,0x29,0x00 #movaps %xmm8,0(%rax)
623 .byte 0x44,0x0f,0x29,0x48,0x10 #movaps %xmm9,0x10(%rax)
624 .byte 0x44,0x0f,0x29,0x50,0x20 #movaps %xmm10,0x20(%rax)
625 .byte 0x44,0x0f,0x29,0x58,0x30 #movaps %xmm11,0x30(%rax)
626 .byte 0x44,0x0f,0x29,0x60,0x40 #movaps %xmm12,0x40(%rax)
627 .byte 0x44,0x0f,0x29,0x68,0x50 #movaps %xmm13,0x50(%rax)
628 .byte 0x44,0x0f,0x29,0x70,0x60 #movaps %xmm14,0x60(%rax)
629 .byte 0x44,0x0f,0x29,0x78,0x70 #movaps %xmm15,0x70(%rax)
632 movdqa .Lbswap_mask(%rip),$T3
636 movdqu 0x20($Htbl),$HK
642 movdqu 0x10($Htbl),$Hkey2
645 my ($Xl,$Xm,$Xh,$Hkey3,$Hkey4)=map("%xmm$_",(11..15));
648 mov OPENSSL_ia32cap_P+4(%rip),%eax
652 and \$`1<<26|1<<22`,%eax # isolate MOVBE+XSAVE
653 cmp \$`1<<22`,%eax # check for MOVBE without XSAVE
657 mov \$0xA040608020C0E000,%rax # ((7..0)·0xE0)&0xff
658 movdqu 0x30($Htbl),$Hkey3
659 movdqu 0x40($Htbl),$Hkey4
662 # Xi+4 =[(H*Ii+3) + (H^2*Ii+2) + (H^3*Ii+1) + H^4*(Ii+Xi)] mod P
664 movdqu 0x30($inp),$Xln
665 movdqu 0x20($inp),$Xl
669 pshufd \$0b01001110,$Xln,$Xmn
671 pclmulqdq \$0x00,$Hkey,$Xln
672 pclmulqdq \$0x11,$Hkey,$Xhn
673 pclmulqdq \$0x00,$HK,$Xmn
676 pshufd \$0b01001110,$Xl,$Xm
678 pclmulqdq \$0x00,$Hkey2,$Xl
679 pclmulqdq \$0x11,$Hkey2,$Xh
680 pclmulqdq \$0x10,$HK,$Xm
683 movups 0x50($Htbl),$HK
686 movdqu 0x10($inp),$Xl
691 pshufd \$0b01001110,$Xl,$Xm
694 pclmulqdq \$0x00,$Hkey3,$Xl
696 pshufd \$0b01001110,$Xi,$T1
698 pclmulqdq \$0x11,$Hkey3,$Xh
699 pclmulqdq \$0x00,$HK,$Xm
710 pclmulqdq \$0x00,$Hkey4,$Xi
712 movdqu 0x30($inp),$Xl
714 pclmulqdq \$0x11,$Hkey4,$Xhi
716 movdqu 0x20($inp),$Xln
718 pclmulqdq \$0x10,$HK,$T1
719 pshufd \$0b01001110,$Xl,$Xm
723 movups 0x20($Htbl),$HK
725 pclmulqdq \$0x00,$Hkey,$Xl
726 pshufd \$0b01001110,$Xln,$Xmn
728 pxor $Xi,$T1 # aggregated Karatsuba post-processing
733 pclmulqdq \$0x11,$Hkey,$Xh
737 movdqa .L7_mask(%rip),$T1
741 pand $Xi,$T1 # 1st phase
744 pclmulqdq \$0x00,$HK,$Xm
748 pclmulqdq \$0x00,$Hkey2,$Xln
754 movdqa $Xi,$T2 # 2nd phase
756 pclmulqdq \$0x11,$Hkey2,$Xhn
758 movdqu 0x10($inp),$Xl
760 pclmulqdq \$0x10,$HK,$Xmn
762 movups 0x50($Htbl),$HK
770 pshufd \$0b01001110,$Xl,$Xm
774 pclmulqdq \$0x00,$Hkey3,$Xl
778 pclmulqdq \$0x11,$Hkey3,$Xh
780 pshufd \$0b01001110,$Xi,$T1
783 pclmulqdq \$0x00,$HK,$Xm
791 pclmulqdq \$0x00,$Hkey4,$Xi
792 pclmulqdq \$0x11,$Hkey4,$Xhi
793 pclmulqdq \$0x10,$HK,$T1
797 pxor $Xi,$Xhi # aggregated Karatsuba post-processing
809 &reduction_alg9($Xhi,$Xi);
813 movdqu 0x20($Htbl),$HK
821 # Xi+2 =[H*(Ii+1 + Xi+1)] mod P =
822 # [(H*Ii+1) + (H*Xi+1)] mod P =
823 # [(H*Ii+1) + H^2*(Ii+Xi)] mod P
825 movdqu ($inp),$T1 # Ii
826 movdqu 16($inp),$Xln # Ii+1
832 pshufd \$0b01001110,$Xln,$Xmn
834 pclmulqdq \$0x00,$Hkey,$Xln
835 pclmulqdq \$0x11,$Hkey,$Xhn
836 pclmulqdq \$0x00,$HK,$Xmn
838 lea 32($inp),$inp # i+=2
849 pshufd \$0b01001110,$Xi,$Xmn #
852 pclmulqdq \$0x00,$Hkey2,$Xi
853 pclmulqdq \$0x11,$Hkey2,$Xhi
854 pclmulqdq \$0x10,$HK,$Xmn
856 pxor $Xln,$Xi # (H*Ii+1) + H^2*(Ii+Xi)
858 movdqu ($inp),$T2 # Ii
859 pxor $Xi,$T1 # aggregated Karatsuba post-processing
861 movdqu 16($inp),$Xln # Ii+1
864 pxor $T2,$Xhi # "Ii+Xi", consume early
875 movdqa $Xi,$T2 # 1st phase
879 pclmulqdq \$0x00,$Hkey,$Xln #######
887 pshufd \$0b01001110,$Xhn,$Xmn
891 movdqa $Xi,$T2 # 2nd phase
893 pclmulqdq \$0x11,$Hkey,$Xhn #######
900 pclmulqdq \$0x00,$HK,$Xmn #######
909 pshufd \$0b01001110,$Xi,$Xmn #
912 pclmulqdq \$0x00,$Hkey2,$Xi
913 pclmulqdq \$0x11,$Hkey2,$Xhi
914 pclmulqdq \$0x10,$HK,$Xmn
916 pxor $Xln,$Xi # (H*Ii+1) + H^2*(Ii+Xi)
927 &reduction_alg9 ($Xhi,$Xi);
933 movdqu ($inp),$T1 # Ii
937 &clmul64x64_T2 ($Xhi,$Xi,$Hkey,$HK); # H*(Ii+Xi)
938 &reduction_alg9 ($Xhi,$Xi);
944 $code.=<<___ if ($win64);
946 movaps 0x10(%rsp),%xmm7
947 movaps 0x20(%rsp),%xmm8
948 movaps 0x30(%rsp),%xmm9
949 movaps 0x40(%rsp),%xmm10
950 movaps 0x50(%rsp),%xmm11
951 movaps 0x60(%rsp),%xmm12
952 movaps 0x70(%rsp),%xmm13
953 movaps 0x80(%rsp),%xmm14
954 movaps 0x90(%rsp),%xmm15
956 .LSEH_end_gcm_ghash_clmul:
960 .size gcm_ghash_clmul,.-gcm_ghash_clmul
966 .type gcm_init_avx,\@abi-omnipotent
971 my ($Htbl,$Xip)=@_4args;
974 $code.=<<___ if ($win64);
975 .LSEH_begin_gcm_init_avx:
976 # I can't trust assembler to use specific encoding:-(
977 .byte 0x48,0x83,0xec,0x18 #sub $0x18,%rsp
978 .byte 0x0f,0x29,0x34,0x24 #movaps %xmm6,(%rsp)
984 vpshufd \$0b01001110,$Hkey,$Hkey # dword swap
987 vpshufd \$0b11111111,$Hkey,$T2 # broadcast uppermost dword
988 vpsrlq \$63,$Hkey,$T1
989 vpsllq \$1,$Hkey,$Hkey
991 vpcmpgtd $T2,$T3,$T3 # broadcast carry bit
993 vpor $T1,$Hkey,$Hkey # H<<=1
996 vpand .L0x1c2_polynomial(%rip),$T3,$T3
997 vpxor $T3,$Hkey,$Hkey # if(carry) H^=0x1c2_polynomial
999 vpunpckhqdq $Hkey,$Hkey,$HK
1002 mov \$4,%r10 # up to H^8
1003 jmp .Linit_start_avx
1006 sub clmul64x64_avx {
1007 my ($Xhi,$Xi,$Hkey,$HK)=@_;
1009 if (!defined($HK)) { $HK = $T2;
1011 vpunpckhqdq $Xi,$Xi,$T1
1012 vpunpckhqdq $Hkey,$Hkey,$T2
1018 vpunpckhqdq $Xi,$Xi,$T1
1023 vpclmulqdq \$0x11,$Hkey,$Xi,$Xhi #######
1024 vpclmulqdq \$0x00,$Hkey,$Xi,$Xi #######
1025 vpclmulqdq \$0x00,$HK,$T1,$T1 #######
1026 vpxor $Xi,$Xhi,$T2 #
1029 vpslldq \$8,$T1,$T2 #
1040 vpsllq \$57,$Xi,$T1 # 1st phase
1045 vpslldq \$8,$T2,$T1 #
1050 vpsrlq \$1,$Xi,$T2 # 2nd phase
1055 vpsrlq \$1,$Xi,$Xi #
1056 vpxor $Xhi,$Xi,$Xi #
1063 vpalignr \$8,$T1,$T2,$T3 # low part is H.lo^H.hi...
1064 vmovdqu $T3,-0x10($Htbl) # save Karatsuba "salt"
1066 &clmul64x64_avx ($Xhi,$Xi,$Hkey,$HK); # calculate H^3,5,7
1067 &reduction_avx ($Xhi,$Xi);
1072 &clmul64x64_avx ($Xhi,$Xi,$Hkey,$HK); # calculate H^2,4,6,8
1073 &reduction_avx ($Xhi,$Xi);
1075 vpshufd \$0b01001110,$T3,$T1
1076 vpshufd \$0b01001110,$Xi,$T2
1077 vpxor $T3,$T1,$T1 # Karatsuba pre-processing
1078 vmovdqu $T3,0x00($Htbl) # save H^1,3,5,7
1079 vpxor $Xi,$T2,$T2 # Karatsuba pre-processing
1080 vmovdqu $Xi,0x10($Htbl) # save H^2,4,6,8
1081 lea 0x30($Htbl),$Htbl
1085 vpalignr \$8,$T2,$T1,$T3 # last "salt" is flipped
1086 vmovdqu $T3,-0x10($Htbl)
1090 $code.=<<___ if ($win64);
1093 .LSEH_end_gcm_init_avx:
1097 .size gcm_init_avx,.-gcm_init_avx
1102 .size gcm_init_avx,.-gcm_init_avx
1107 .globl gcm_gmult_avx
1108 .type gcm_gmult_avx,\@abi-omnipotent
1112 .size gcm_gmult_avx,.-gcm_gmult_avx
1116 .globl gcm_ghash_avx
1117 .type gcm_ghash_avx,\@abi-omnipotent
1122 my ($Xip,$Htbl,$inp,$len)=@_4args;
1126 $Xi,$Xo,$Tred,$bswap,$Ii,$Ij) = map("%xmm$_",(0..15));
1128 $code.=<<___ if ($win64);
1129 lea -0x88(%rsp),%rax
1130 .LSEH_begin_gcm_ghash_avx:
1131 # I can't trust assembler to use specific encoding:-(
1132 .byte 0x48,0x8d,0x60,0xe0 #lea -0x20(%rax),%rsp
1133 .byte 0x0f,0x29,0x70,0xe0 #movaps %xmm6,-0x20(%rax)
1134 .byte 0x0f,0x29,0x78,0xf0 #movaps %xmm7,-0x10(%rax)
1135 .byte 0x44,0x0f,0x29,0x00 #movaps %xmm8,0(%rax)
1136 .byte 0x44,0x0f,0x29,0x48,0x10 #movaps %xmm9,0x10(%rax)
1137 .byte 0x44,0x0f,0x29,0x50,0x20 #movaps %xmm10,0x20(%rax)
1138 .byte 0x44,0x0f,0x29,0x58,0x30 #movaps %xmm11,0x30(%rax)
1139 .byte 0x44,0x0f,0x29,0x60,0x40 #movaps %xmm12,0x40(%rax)
1140 .byte 0x44,0x0f,0x29,0x68,0x50 #movaps %xmm13,0x50(%rax)
1141 .byte 0x44,0x0f,0x29,0x70,0x60 #movaps %xmm14,0x60(%rax)
1142 .byte 0x44,0x0f,0x29,0x78,0x70 #movaps %xmm15,0x70(%rax)
1147 vmovdqu ($Xip),$Xi # load $Xi
1148 lea .L0x1c2_polynomial(%rip),%r10
1149 lea 0x40($Htbl),$Htbl # size optimization
1150 vmovdqu .Lbswap_mask(%rip),$bswap
1151 vpshufb $bswap,$Xi,$Xi
1156 vmovdqu 0x70($inp),$Ii # I[7]
1157 vmovdqu 0x00-0x40($Htbl),$Hkey # $Hkey^1
1158 vpshufb $bswap,$Ii,$Ii
1159 vmovdqu 0x20-0x40($Htbl),$HK
1161 vpunpckhqdq $Ii,$Ii,$T2
1162 vmovdqu 0x60($inp),$Ij # I[6]
1163 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1165 vpshufb $bswap,$Ij,$Ij
1166 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1167 vmovdqu 0x10-0x40($Htbl),$Hkey # $Hkey^2
1168 vpunpckhqdq $Ij,$Ij,$T1
1169 vmovdqu 0x50($inp),$Ii # I[5]
1170 vpclmulqdq \$0x00,$HK,$T2,$Xmi
1173 vpshufb $bswap,$Ii,$Ii
1174 vpclmulqdq \$0x00,$Hkey,$Ij,$Zlo
1175 vpunpckhqdq $Ii,$Ii,$T2
1176 vpclmulqdq \$0x11,$Hkey,$Ij,$Zhi
1177 vmovdqu 0x30-0x40($Htbl),$Hkey # $Hkey^3
1179 vmovdqu 0x40($inp),$Ij # I[4]
1180 vpclmulqdq \$0x10,$HK,$T1,$Zmi
1181 vmovdqu 0x50-0x40($Htbl),$HK
1183 vpshufb $bswap,$Ij,$Ij
1184 vpxor $Xlo,$Zlo,$Zlo
1185 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1186 vpxor $Xhi,$Zhi,$Zhi
1187 vpunpckhqdq $Ij,$Ij,$T1
1188 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1189 vmovdqu 0x40-0x40($Htbl),$Hkey # $Hkey^4
1190 vpxor $Xmi,$Zmi,$Zmi
1191 vpclmulqdq \$0x00,$HK,$T2,$Xmi
1194 vmovdqu 0x30($inp),$Ii # I[3]
1195 vpxor $Zlo,$Xlo,$Xlo
1196 vpclmulqdq \$0x00,$Hkey,$Ij,$Zlo
1197 vpxor $Zhi,$Xhi,$Xhi
1198 vpshufb $bswap,$Ii,$Ii
1199 vpclmulqdq \$0x11,$Hkey,$Ij,$Zhi
1200 vmovdqu 0x60-0x40($Htbl),$Hkey # $Hkey^5
1201 vpxor $Zmi,$Xmi,$Xmi
1202 vpunpckhqdq $Ii,$Ii,$T2
1203 vpclmulqdq \$0x10,$HK,$T1,$Zmi
1204 vmovdqu 0x80-0x40($Htbl),$HK
1207 vmovdqu 0x20($inp),$Ij # I[2]
1208 vpxor $Xlo,$Zlo,$Zlo
1209 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1210 vpxor $Xhi,$Zhi,$Zhi
1211 vpshufb $bswap,$Ij,$Ij
1212 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1213 vmovdqu 0x70-0x40($Htbl),$Hkey # $Hkey^6
1214 vpxor $Xmi,$Zmi,$Zmi
1215 vpunpckhqdq $Ij,$Ij,$T1
1216 vpclmulqdq \$0x00,$HK,$T2,$Xmi
1219 vmovdqu 0x10($inp),$Ii # I[1]
1220 vpxor $Zlo,$Xlo,$Xlo
1221 vpclmulqdq \$0x00,$Hkey,$Ij,$Zlo
1222 vpxor $Zhi,$Xhi,$Xhi
1223 vpshufb $bswap,$Ii,$Ii
1224 vpclmulqdq \$0x11,$Hkey,$Ij,$Zhi
1225 vmovdqu 0x90-0x40($Htbl),$Hkey # $Hkey^7
1226 vpxor $Zmi,$Xmi,$Xmi
1227 vpunpckhqdq $Ii,$Ii,$T2
1228 vpclmulqdq \$0x10,$HK,$T1,$Zmi
1229 vmovdqu 0xb0-0x40($Htbl),$HK
1232 vmovdqu ($inp),$Ij # I[0]
1233 vpxor $Xlo,$Zlo,$Zlo
1234 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1235 vpxor $Xhi,$Zhi,$Zhi
1236 vpshufb $bswap,$Ij,$Ij
1237 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1238 vmovdqu 0xa0-0x40($Htbl),$Hkey # $Hkey^8
1239 vpxor $Xmi,$Zmi,$Zmi
1240 vpclmulqdq \$0x10,$HK,$T2,$Xmi
1246 vpxor $Xi,$Ij,$Ij # accumulate $Xi
1252 vpunpckhqdq $Ij,$Ij,$T1
1253 vmovdqu 0x70($inp),$Ii # I[7]
1254 vpxor $Xlo,$Zlo,$Zlo
1256 vpclmulqdq \$0x00,$Hkey,$Ij,$Xi
1257 vpshufb $bswap,$Ii,$Ii
1258 vpxor $Xhi,$Zhi,$Zhi
1259 vpclmulqdq \$0x11,$Hkey,$Ij,$Xo
1260 vmovdqu 0x00-0x40($Htbl),$Hkey # $Hkey^1
1261 vpunpckhqdq $Ii,$Ii,$T2
1262 vpxor $Xmi,$Zmi,$Zmi
1263 vpclmulqdq \$0x00,$HK,$T1,$Tred
1264 vmovdqu 0x20-0x40($Htbl),$HK
1267 vmovdqu 0x60($inp),$Ij # I[6]
1268 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1269 vpxor $Zlo,$Xi,$Xi # collect result
1270 vpshufb $bswap,$Ij,$Ij
1271 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1273 vmovdqu 0x10-0x40($Htbl),$Hkey # $Hkey^2
1274 vpunpckhqdq $Ij,$Ij,$T1
1275 vpclmulqdq \$0x00,$HK, $T2,$Xmi
1276 vpxor $Zmi,$Tred,$Tred
1279 vmovdqu 0x50($inp),$Ii # I[5]
1280 vpxor $Xi,$Tred,$Tred # aggregated Karatsuba post-processing
1281 vpclmulqdq \$0x00,$Hkey,$Ij,$Zlo
1282 vpxor $Xo,$Tred,$Tred
1283 vpslldq \$8,$Tred,$T2
1284 vpxor $Xlo,$Zlo,$Zlo
1285 vpclmulqdq \$0x11,$Hkey,$Ij,$Zhi
1286 vpsrldq \$8,$Tred,$Tred
1288 vmovdqu 0x30-0x40($Htbl),$Hkey # $Hkey^3
1289 vpshufb $bswap,$Ii,$Ii
1290 vxorps $Tred,$Xo, $Xo
1291 vpxor $Xhi,$Zhi,$Zhi
1292 vpunpckhqdq $Ii,$Ii,$T2
1293 vpclmulqdq \$0x10,$HK, $T1,$Zmi
1294 vmovdqu 0x50-0x40($Htbl),$HK
1296 vpxor $Xmi,$Zmi,$Zmi
1298 vmovdqu 0x40($inp),$Ij # I[4]
1299 vpalignr \$8,$Xi,$Xi,$Tred # 1st phase
1300 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1301 vpshufb $bswap,$Ij,$Ij
1302 vpxor $Zlo,$Xlo,$Xlo
1303 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1304 vmovdqu 0x40-0x40($Htbl),$Hkey # $Hkey^4
1305 vpunpckhqdq $Ij,$Ij,$T1
1306 vpxor $Zhi,$Xhi,$Xhi
1307 vpclmulqdq \$0x00,$HK, $T2,$Xmi
1309 vpxor $Zmi,$Xmi,$Xmi
1311 vmovdqu 0x30($inp),$Ii # I[3]
1312 vpclmulqdq \$0x10,(%r10),$Xi,$Xi
1313 vpclmulqdq \$0x00,$Hkey,$Ij,$Zlo
1314 vpshufb $bswap,$Ii,$Ii
1315 vpxor $Xlo,$Zlo,$Zlo
1316 vpclmulqdq \$0x11,$Hkey,$Ij,$Zhi
1317 vmovdqu 0x60-0x40($Htbl),$Hkey # $Hkey^5
1318 vpunpckhqdq $Ii,$Ii,$T2
1319 vpxor $Xhi,$Zhi,$Zhi
1320 vpclmulqdq \$0x10,$HK, $T1,$Zmi
1321 vmovdqu 0x80-0x40($Htbl),$HK
1323 vpxor $Xmi,$Zmi,$Zmi
1325 vmovdqu 0x20($inp),$Ij # I[2]
1326 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1327 vpshufb $bswap,$Ij,$Ij
1328 vpxor $Zlo,$Xlo,$Xlo
1329 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1330 vmovdqu 0x70-0x40($Htbl),$Hkey # $Hkey^6
1331 vpunpckhqdq $Ij,$Ij,$T1
1332 vpxor $Zhi,$Xhi,$Xhi
1333 vpclmulqdq \$0x00,$HK, $T2,$Xmi
1335 vpxor $Zmi,$Xmi,$Xmi
1336 vxorps $Tred,$Xi,$Xi
1338 vmovdqu 0x10($inp),$Ii # I[1]
1339 vpalignr \$8,$Xi,$Xi,$Tred # 2nd phase
1340 vpclmulqdq \$0x00,$Hkey,$Ij,$Zlo
1341 vpshufb $bswap,$Ii,$Ii
1342 vpxor $Xlo,$Zlo,$Zlo
1343 vpclmulqdq \$0x11,$Hkey,$Ij,$Zhi
1344 vmovdqu 0x90-0x40($Htbl),$Hkey # $Hkey^7
1345 vpclmulqdq \$0x10,(%r10),$Xi,$Xi
1346 vxorps $Xo,$Tred,$Tred
1347 vpunpckhqdq $Ii,$Ii,$T2
1348 vpxor $Xhi,$Zhi,$Zhi
1349 vpclmulqdq \$0x10,$HK, $T1,$Zmi
1350 vmovdqu 0xb0-0x40($Htbl),$HK
1352 vpxor $Xmi,$Zmi,$Zmi
1354 vmovdqu ($inp),$Ij # I[0]
1355 vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo
1356 vpshufb $bswap,$Ij,$Ij
1357 vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi
1358 vmovdqu 0xa0-0x40($Htbl),$Hkey # $Hkey^8
1360 vpclmulqdq \$0x10,$HK, $T2,$Xmi
1361 vpxor $Xi,$Ij,$Ij # accumulate $Xi
1368 jmp .Ltail_no_xor_avx
1372 vmovdqu -0x10($inp,$len),$Ii # very last word
1373 lea ($inp,$len),$inp
1374 vmovdqu 0x00-0x40($Htbl),$Hkey # $Hkey^1
1375 vmovdqu 0x20-0x40($Htbl),$HK
1376 vpshufb $bswap,$Ii,$Ij
1378 vmovdqa $Xlo,$Zlo # subtle way to zero $Zlo,
1379 vmovdqa $Xhi,$Zhi # $Zhi and
1380 vmovdqa $Xmi,$Zmi # $Zmi
1384 vpunpckhqdq $Ij,$Ij,$T1
1385 vpxor $Xlo,$Zlo,$Zlo
1386 vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo
1388 vmovdqu -0x20($inp),$Ii
1389 vpxor $Xhi,$Zhi,$Zhi
1390 vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi
1391 vmovdqu 0x10-0x40($Htbl),$Hkey # $Hkey^2
1392 vpshufb $bswap,$Ii,$Ij
1393 vpxor $Xmi,$Zmi,$Zmi
1394 vpclmulqdq \$0x00,$HK,$T1,$Xmi
1399 vpunpckhqdq $Ij,$Ij,$T1
1400 vpxor $Xlo,$Zlo,$Zlo
1401 vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo
1403 vmovdqu -0x30($inp),$Ii
1404 vpxor $Xhi,$Zhi,$Zhi
1405 vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi
1406 vmovdqu 0x30-0x40($Htbl),$Hkey # $Hkey^3
1407 vpshufb $bswap,$Ii,$Ij
1408 vpxor $Xmi,$Zmi,$Zmi
1409 vpclmulqdq \$0x00,$HK,$T1,$Xmi
1410 vmovdqu 0x50-0x40($Htbl),$HK
1414 vpunpckhqdq $Ij,$Ij,$T1
1415 vpxor $Xlo,$Zlo,$Zlo
1416 vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo
1418 vmovdqu -0x40($inp),$Ii
1419 vpxor $Xhi,$Zhi,$Zhi
1420 vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi
1421 vmovdqu 0x40-0x40($Htbl),$Hkey # $Hkey^4
1422 vpshufb $bswap,$Ii,$Ij
1423 vpxor $Xmi,$Zmi,$Zmi
1424 vpclmulqdq \$0x00,$HK,$T1,$Xmi
1429 vpunpckhqdq $Ij,$Ij,$T1
1430 vpxor $Xlo,$Zlo,$Zlo
1431 vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo
1433 vmovdqu -0x50($inp),$Ii
1434 vpxor $Xhi,$Zhi,$Zhi
1435 vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi
1436 vmovdqu 0x60-0x40($Htbl),$Hkey # $Hkey^5
1437 vpshufb $bswap,$Ii,$Ij
1438 vpxor $Xmi,$Zmi,$Zmi
1439 vpclmulqdq \$0x00,$HK,$T1,$Xmi
1440 vmovdqu 0x80-0x40($Htbl),$HK
1444 vpunpckhqdq $Ij,$Ij,$T1
1445 vpxor $Xlo,$Zlo,$Zlo
1446 vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo
1448 vmovdqu -0x60($inp),$Ii
1449 vpxor $Xhi,$Zhi,$Zhi
1450 vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi
1451 vmovdqu 0x70-0x40($Htbl),$Hkey # $Hkey^6
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 -0x70($inp),$Ii
1464 vpxor $Xhi,$Zhi,$Zhi
1465 vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi
1466 vmovdqu 0x90-0x40($Htbl),$Hkey # $Hkey^7
1467 vpshufb $bswap,$Ii,$Ij
1468 vpxor $Xmi,$Zmi,$Zmi
1469 vpclmulqdq \$0x00,$HK,$T1,$Xmi
1470 vmovq 0xb8-0x40($Htbl),$HK
1476 vpxor $Xi,$Ij,$Ij # accumulate $Xi
1478 vpunpckhqdq $Ij,$Ij,$T1
1479 vpxor $Xlo,$Zlo,$Zlo
1480 vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo
1482 vpxor $Xhi,$Zhi,$Zhi
1483 vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi
1484 vpxor $Xmi,$Zmi,$Zmi
1485 vpclmulqdq \$0x00,$HK,$T1,$Xmi
1487 vmovdqu (%r10),$Tred
1491 vpxor $Xmi,$Zmi,$Zmi
1493 vpxor $Xi, $Zmi,$Zmi # aggregated Karatsuba post-processing
1494 vpxor $Xo, $Zmi,$Zmi
1495 vpslldq \$8, $Zmi,$T2
1496 vpsrldq \$8, $Zmi,$Zmi
1500 vpclmulqdq \$0x10,$Tred,$Xi,$T2 # 1st phase
1501 vpalignr \$8,$Xi,$Xi,$Xi
1504 vpclmulqdq \$0x10,$Tred,$Xi,$T2 # 2nd phase
1505 vpalignr \$8,$Xi,$Xi,$Xi
1512 vpshufb $bswap,$Xi,$Xi
1516 $code.=<<___ if ($win64);
1518 movaps 0x10(%rsp),%xmm7
1519 movaps 0x20(%rsp),%xmm8
1520 movaps 0x30(%rsp),%xmm9
1521 movaps 0x40(%rsp),%xmm10
1522 movaps 0x50(%rsp),%xmm11
1523 movaps 0x60(%rsp),%xmm12
1524 movaps 0x70(%rsp),%xmm13
1525 movaps 0x80(%rsp),%xmm14
1526 movaps 0x90(%rsp),%xmm15
1528 .LSEH_end_gcm_ghash_avx:
1532 .size gcm_ghash_avx,.-gcm_ghash_avx
1537 .size gcm_ghash_avx,.-gcm_ghash_avx
1544 .byte 15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0
1546 .byte 1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0xc2
1550 .long 7,0,`0xE1<<1`,0
1552 .type .Lrem_4bit,\@object
1554 .long 0,`0x0000<<16`,0,`0x1C20<<16`,0,`0x3840<<16`,0,`0x2460<<16`
1555 .long 0,`0x7080<<16`,0,`0x6CA0<<16`,0,`0x48C0<<16`,0,`0x54E0<<16`
1556 .long 0,`0xE100<<16`,0,`0xFD20<<16`,0,`0xD940<<16`,0,`0xC560<<16`
1557 .long 0,`0x9180<<16`,0,`0x8DA0<<16`,0,`0xA9C0<<16`,0,`0xB5E0<<16`
1558 .type .Lrem_8bit,\@object
1560 .value 0x0000,0x01C2,0x0384,0x0246,0x0708,0x06CA,0x048C,0x054E
1561 .value 0x0E10,0x0FD2,0x0D94,0x0C56,0x0918,0x08DA,0x0A9C,0x0B5E
1562 .value 0x1C20,0x1DE2,0x1FA4,0x1E66,0x1B28,0x1AEA,0x18AC,0x196E
1563 .value 0x1230,0x13F2,0x11B4,0x1076,0x1538,0x14FA,0x16BC,0x177E
1564 .value 0x3840,0x3982,0x3BC4,0x3A06,0x3F48,0x3E8A,0x3CCC,0x3D0E
1565 .value 0x3650,0x3792,0x35D4,0x3416,0x3158,0x309A,0x32DC,0x331E
1566 .value 0x2460,0x25A2,0x27E4,0x2626,0x2368,0x22AA,0x20EC,0x212E
1567 .value 0x2A70,0x2BB2,0x29F4,0x2836,0x2D78,0x2CBA,0x2EFC,0x2F3E
1568 .value 0x7080,0x7142,0x7304,0x72C6,0x7788,0x764A,0x740C,0x75CE
1569 .value 0x7E90,0x7F52,0x7D14,0x7CD6,0x7998,0x785A,0x7A1C,0x7BDE
1570 .value 0x6CA0,0x6D62,0x6F24,0x6EE6,0x6BA8,0x6A6A,0x682C,0x69EE
1571 .value 0x62B0,0x6372,0x6134,0x60F6,0x65B8,0x647A,0x663C,0x67FE
1572 .value 0x48C0,0x4902,0x4B44,0x4A86,0x4FC8,0x4E0A,0x4C4C,0x4D8E
1573 .value 0x46D0,0x4712,0x4554,0x4496,0x41D8,0x401A,0x425C,0x439E
1574 .value 0x54E0,0x5522,0x5764,0x56A6,0x53E8,0x522A,0x506C,0x51AE
1575 .value 0x5AF0,0x5B32,0x5974,0x58B6,0x5DF8,0x5C3A,0x5E7C,0x5FBE
1576 .value 0xE100,0xE0C2,0xE284,0xE346,0xE608,0xE7CA,0xE58C,0xE44E
1577 .value 0xEF10,0xEED2,0xEC94,0xED56,0xE818,0xE9DA,0xEB9C,0xEA5E
1578 .value 0xFD20,0xFCE2,0xFEA4,0xFF66,0xFA28,0xFBEA,0xF9AC,0xF86E
1579 .value 0xF330,0xF2F2,0xF0B4,0xF176,0xF438,0xF5FA,0xF7BC,0xF67E
1580 .value 0xD940,0xD882,0xDAC4,0xDB06,0xDE48,0xDF8A,0xDDCC,0xDC0E
1581 .value 0xD750,0xD692,0xD4D4,0xD516,0xD058,0xD19A,0xD3DC,0xD21E
1582 .value 0xC560,0xC4A2,0xC6E4,0xC726,0xC268,0xC3AA,0xC1EC,0xC02E
1583 .value 0xCB70,0xCAB2,0xC8F4,0xC936,0xCC78,0xCDBA,0xCFFC,0xCE3E
1584 .value 0x9180,0x9042,0x9204,0x93C6,0x9688,0x974A,0x950C,0x94CE
1585 .value 0x9F90,0x9E52,0x9C14,0x9DD6,0x9898,0x995A,0x9B1C,0x9ADE
1586 .value 0x8DA0,0x8C62,0x8E24,0x8FE6,0x8AA8,0x8B6A,0x892C,0x88EE
1587 .value 0x83B0,0x8272,0x8034,0x81F6,0x84B8,0x857A,0x873C,0x86FE
1588 .value 0xA9C0,0xA802,0xAA44,0xAB86,0xAEC8,0xAF0A,0xAD4C,0xAC8E
1589 .value 0xA7D0,0xA612,0xA454,0xA596,0xA0D8,0xA11A,0xA35C,0xA29E
1590 .value 0xB5E0,0xB422,0xB664,0xB7A6,0xB2E8,0xB32A,0xB16C,0xB0AE
1591 .value 0xBBF0,0xBA32,0xB874,0xB9B6,0xBCF8,0xBD3A,0xBF7C,0xBEBE
1593 .asciz "GHASH for x86_64, CRYPTOGAMS by <appro\@openssl.org>"
1597 # EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame,
1598 # CONTEXT *context,DISPATCHER_CONTEXT *disp)
1606 .extern __imp_RtlVirtualUnwind
1607 .type se_handler,\@abi-omnipotent
1621 mov 120($context),%rax # pull context->Rax
1622 mov 248($context),%rbx # pull context->Rip
1624 mov 8($disp),%rsi # disp->ImageBase
1625 mov 56($disp),%r11 # disp->HandlerData
1627 mov 0(%r11),%r10d # HandlerData[0]
1628 lea (%rsi,%r10),%r10 # prologue label
1629 cmp %r10,%rbx # context->Rip<prologue label
1632 mov 152($context),%rax # pull context->Rsp
1634 mov 4(%r11),%r10d # HandlerData[1]
1635 lea (%rsi,%r10),%r10 # epilogue label
1636 cmp %r10,%rbx # context->Rip>=epilogue label
1639 lea 24(%rax),%rax # adjust "rsp"
1644 mov %rbx,144($context) # restore context->Rbx
1645 mov %rbp,160($context) # restore context->Rbp
1646 mov %r12,216($context) # restore context->R12
1651 mov %rax,152($context) # restore context->Rsp
1652 mov %rsi,168($context) # restore context->Rsi
1653 mov %rdi,176($context) # restore context->Rdi
1655 mov 40($disp),%rdi # disp->ContextRecord
1656 mov $context,%rsi # context
1657 mov \$`1232/8`,%ecx # sizeof(CONTEXT)
1658 .long 0xa548f3fc # cld; rep movsq
1661 xor %rcx,%rcx # arg1, UNW_FLAG_NHANDLER
1662 mov 8(%rsi),%rdx # arg2, disp->ImageBase
1663 mov 0(%rsi),%r8 # arg3, disp->ControlPc
1664 mov 16(%rsi),%r9 # arg4, disp->FunctionEntry
1665 mov 40(%rsi),%r10 # disp->ContextRecord
1666 lea 56(%rsi),%r11 # &disp->HandlerData
1667 lea 24(%rsi),%r12 # &disp->EstablisherFrame
1668 mov %r10,32(%rsp) # arg5
1669 mov %r11,40(%rsp) # arg6
1670 mov %r12,48(%rsp) # arg7
1671 mov %rcx,56(%rsp) # arg8, (NULL)
1672 call *__imp_RtlVirtualUnwind(%rip)
1674 mov \$1,%eax # ExceptionContinueSearch
1686 .size se_handler,.-se_handler
1690 .rva .LSEH_begin_gcm_gmult_4bit
1691 .rva .LSEH_end_gcm_gmult_4bit
1692 .rva .LSEH_info_gcm_gmult_4bit
1694 .rva .LSEH_begin_gcm_ghash_4bit
1695 .rva .LSEH_end_gcm_ghash_4bit
1696 .rva .LSEH_info_gcm_ghash_4bit
1698 .rva .LSEH_begin_gcm_init_clmul
1699 .rva .LSEH_end_gcm_init_clmul
1700 .rva .LSEH_info_gcm_init_clmul
1702 .rva .LSEH_begin_gcm_ghash_clmul
1703 .rva .LSEH_end_gcm_ghash_clmul
1704 .rva .LSEH_info_gcm_ghash_clmul
1706 $code.=<<___ if ($avx);
1707 .rva .LSEH_begin_gcm_init_avx
1708 .rva .LSEH_end_gcm_init_avx
1709 .rva .LSEH_info_gcm_init_clmul
1711 .rva .LSEH_begin_gcm_ghash_avx
1712 .rva .LSEH_end_gcm_ghash_avx
1713 .rva .LSEH_info_gcm_ghash_clmul
1718 .LSEH_info_gcm_gmult_4bit:
1721 .rva .Lgmult_prologue,.Lgmult_epilogue # HandlerData
1722 .LSEH_info_gcm_ghash_4bit:
1725 .rva .Lghash_prologue,.Lghash_epilogue # HandlerData
1726 .LSEH_info_gcm_init_clmul:
1727 .byte 0x01,0x08,0x03,0x00
1728 .byte 0x08,0x68,0x00,0x00 #movaps 0x00(rsp),xmm6
1729 .byte 0x04,0x22,0x00,0x00 #sub rsp,0x18
1730 .LSEH_info_gcm_ghash_clmul:
1731 .byte 0x01,0x33,0x16,0x00
1732 .byte 0x33,0xf8,0x09,0x00 #movaps 0x90(rsp),xmm15
1733 .byte 0x2e,0xe8,0x08,0x00 #movaps 0x80(rsp),xmm14
1734 .byte 0x29,0xd8,0x07,0x00 #movaps 0x70(rsp),xmm13
1735 .byte 0x24,0xc8,0x06,0x00 #movaps 0x60(rsp),xmm12
1736 .byte 0x1f,0xb8,0x05,0x00 #movaps 0x50(rsp),xmm11
1737 .byte 0x1a,0xa8,0x04,0x00 #movaps 0x40(rsp),xmm10
1738 .byte 0x15,0x98,0x03,0x00 #movaps 0x30(rsp),xmm9
1739 .byte 0x10,0x88,0x02,0x00 #movaps 0x20(rsp),xmm8
1740 .byte 0x0c,0x78,0x01,0x00 #movaps 0x10(rsp),xmm7
1741 .byte 0x08,0x68,0x00,0x00 #movaps 0x00(rsp),xmm6
1742 .byte 0x04,0x01,0x15,0x00 #sub rsp,0xa8
1746 $code =~ s/\`([^\`]*)\`/eval($1)/gem;