| #!/usr/bin/env perl |
| # |
| # ==================================================================== |
| # Written by Andy Polyakov <appro@openssl.org> for the OpenSSL |
| # project. The module is, however, dual licensed under OpenSSL and |
| # CRYPTOGAMS licenses depending on where you obtain it. For further |
| # details see http://www.openssl.org/~appro/cryptogams/. |
| # ==================================================================== |
| # |
| # March, June 2010 |
| # |
| # The module implements "4-bit" GCM GHASH function and underlying |
| # single multiplication operation in GF(2^128). "4-bit" means that |
| # it uses 256 bytes per-key table [+128 bytes shared table]. GHASH |
| # function features so called "528B" variant utilizing additional |
| # 256+16 bytes of per-key storage [+512 bytes shared table]. |
| # Performance results are for this streamed GHASH subroutine and are |
| # expressed in cycles per processed byte, less is better: |
| # |
| # gcc 3.4.x(*) assembler |
| # |
| # P4 28.6 14.0 +100% |
| # Opteron 19.3 7.7 +150% |
| # Core2 17.8 8.1(**) +120% |
| # Atom 31.6 16.8 +88% |
| # VIA Nano 21.8 10.1 +115% |
| # |
| # (*) comparison is not completely fair, because C results are |
| # for vanilla "256B" implementation, while assembler results |
| # are for "528B";-) |
| # (**) it's mystery [to me] why Core2 result is not same as for |
| # Opteron; |
| |
| # May 2010 |
| # |
| # Add PCLMULQDQ version performing at 2.02 cycles per processed byte. |
| # See ghash-x86.pl for background information and details about coding |
| # techniques. |
| # |
| # Special thanks to David Woodhouse <dwmw2@infradead.org> for |
| # providing access to a Westmere-based system on behalf of Intel |
| # Open Source Technology Centre. |
| |
| # December 2012 |
| # |
| # Overhaul: aggregate Karatsuba post-processing, improve ILP in |
| # reduction_alg9, increase reduction aggregate factor to 4x. As for |
| # the latter. ghash-x86.pl discusses that it makes lesser sense to |
| # increase aggregate factor. Then why increase here? Critical path |
| # consists of 3 independent pclmulqdq instructions, Karatsuba post- |
| # processing and reduction. "On top" of this we lay down aggregated |
| # multiplication operations, triplets of independent pclmulqdq's. As |
| # issue rate for pclmulqdq is limited, it makes lesser sense to |
| # aggregate more multiplications than it takes to perform remaining |
| # non-multiplication operations. 2x is near-optimal coefficient for |
| # contemporary Intel CPUs (therefore modest improvement coefficient), |
| # but not for Bulldozer. Latter is because logical SIMD operations |
| # are twice as slow in comparison to Intel, so that critical path is |
| # longer. A CPU with higher pclmulqdq issue rate would also benefit |
| # from higher aggregate factor... |
| # |
| # Westmere 1.78(+13%) |
| # Sandy Bridge 1.80(+8%) |
| # Ivy Bridge 1.80(+7%) |
| # Haswell 0.55(+93%) (if system doesn't support AVX) |
| # Bulldozer 1.49(+27%) |
| # Silvermont 2.88(+13%) |
| |
| # March 2013 |
| # |
| # ... 8x aggregate factor AVX code path is using reduction algorithm |
| # suggested by Shay Gueron[1]. Even though contemporary AVX-capable |
| # CPUs such as Sandy and Ivy Bridge can execute it, the code performs |
| # sub-optimally in comparison to above mentioned version. But thanks |
| # to Ilya Albrekht and Max Locktyukhin of Intel Corp. we knew that |
| # it performs in 0.41 cycles per byte on Haswell processor. |
| # |
| # [1] http://rt.openssl.org/Ticket/Display.html?id=2900&user=guest&pass=guest |
| |
| $flavour = shift; |
| $output = shift; |
| if ($flavour =~ /\./) { $output = $flavour; undef $flavour; } |
| |
| $win64=0; $win64=1 if ($flavour =~ /[nm]asm|mingw64/ || $output =~ /\.asm$/); |
| |
| $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; |
| ( $xlate="${dir}x86_64-xlate.pl" and -f $xlate ) or |
| ( $xlate="${dir}../../perlasm/x86_64-xlate.pl" and -f $xlate) or |
| die "can't locate x86_64-xlate.pl"; |
| |
| if (`$ENV{CC} -Wa,-v -c -o /dev/null -x assembler /dev/null 2>&1` |
| =~ /GNU assembler version ([2-9]\.[0-9]+)/) { |
| $avx = ($1>=2.19) + ($1>=2.22); |
| } |
| |
| if (!$avx && $win64 && ($flavour =~ /nasm/ || $ENV{ASM} =~ /nasm/) && |
| `nasm -v 2>&1` =~ /NASM version ([2-9]\.[0-9]+)/) { |
| $avx = ($1>=2.09) + ($1>=2.10); |
| } |
| |
| if (!$avx && $win64 && ($flavour =~ /masm/ || $ENV{ASM} =~ /ml64/) && |
| `ml64 2>&1` =~ /Version ([0-9]+)\./) { |
| $avx = ($1>=10) + ($1>=11); |
| } |
| |
| if (!$avx && `$ENV{CC} -v 2>&1` =~ /(^clang version|based on LLVM) ([3-9]\.[0-9]+)/) { |
| $avx = ($2>=3.0) + ($2>3.0); |
| } |
| |
| open OUT,"| \"$^X\" $xlate $flavour $output"; |
| *STDOUT=*OUT; |
| |
| $do4xaggr=1; |
| |
| # common register layout |
| $nlo="%rax"; |
| $nhi="%rbx"; |
| $Zlo="%r8"; |
| $Zhi="%r9"; |
| $tmp="%r10"; |
| $rem_4bit = "%r11"; |
| |
| $Xi="%rdi"; |
| $Htbl="%rsi"; |
| |
| # per-function register layout |
| $cnt="%rcx"; |
| $rem="%rdx"; |
| |
| sub LB() { my $r=shift; $r =~ s/%[er]([a-d])x/%\1l/ or |
| $r =~ s/%[er]([sd]i)/%\1l/ or |
| $r =~ s/%[er](bp)/%\1l/ or |
| $r =~ s/%(r[0-9]+)[d]?/%\1b/; $r; } |
| |
| sub AUTOLOAD() # thunk [simplified] 32-bit style perlasm |
| { my $opcode = $AUTOLOAD; $opcode =~ s/.*:://; |
| my $arg = pop; |
| $arg = "\$$arg" if ($arg*1 eq $arg); |
| $code .= "\t$opcode\t".join(',',$arg,reverse @_)."\n"; |
| } |
| |
| { my $N; |
| sub loop() { |
| my $inp = shift; |
| |
| $N++; |
| $code.=<<___; |
| xor $nlo,$nlo |
| xor $nhi,$nhi |
| mov `&LB("$Zlo")`,`&LB("$nlo")` |
| mov `&LB("$Zlo")`,`&LB("$nhi")` |
| shl \$4,`&LB("$nlo")` |
| mov \$14,$cnt |
| mov 8($Htbl,$nlo),$Zlo |
| mov ($Htbl,$nlo),$Zhi |
| and \$0xf0,`&LB("$nhi")` |
| mov $Zlo,$rem |
| jmp .Loop$N |
| |
| .align 16 |
| .Loop$N: |
| shr \$4,$Zlo |
| and \$0xf,$rem |
| mov $Zhi,$tmp |
| mov ($inp,$cnt),`&LB("$nlo")` |
| shr \$4,$Zhi |
| xor 8($Htbl,$nhi),$Zlo |
| shl \$60,$tmp |
| xor ($Htbl,$nhi),$Zhi |
| mov `&LB("$nlo")`,`&LB("$nhi")` |
| xor ($rem_4bit,$rem,8),$Zhi |
| mov $Zlo,$rem |
| shl \$4,`&LB("$nlo")` |
| xor $tmp,$Zlo |
| dec $cnt |
| js .Lbreak$N |
| |
| shr \$4,$Zlo |
| and \$0xf,$rem |
| mov $Zhi,$tmp |
| shr \$4,$Zhi |
| xor 8($Htbl,$nlo),$Zlo |
| shl \$60,$tmp |
| xor ($Htbl,$nlo),$Zhi |
| and \$0xf0,`&LB("$nhi")` |
| xor ($rem_4bit,$rem,8),$Zhi |
| mov $Zlo,$rem |
| xor $tmp,$Zlo |
| jmp .Loop$N |
| |
| .align 16 |
| .Lbreak$N: |
| shr \$4,$Zlo |
| and \$0xf,$rem |
| mov $Zhi,$tmp |
| shr \$4,$Zhi |
| xor 8($Htbl,$nlo),$Zlo |
| shl \$60,$tmp |
| xor ($Htbl,$nlo),$Zhi |
| and \$0xf0,`&LB("$nhi")` |
| xor ($rem_4bit,$rem,8),$Zhi |
| mov $Zlo,$rem |
| xor $tmp,$Zlo |
| |
| shr \$4,$Zlo |
| and \$0xf,$rem |
| mov $Zhi,$tmp |
| shr \$4,$Zhi |
| xor 8($Htbl,$nhi),$Zlo |
| shl \$60,$tmp |
| xor ($Htbl,$nhi),$Zhi |
| xor $tmp,$Zlo |
| xor ($rem_4bit,$rem,8),$Zhi |
| |
| bswap $Zlo |
| bswap $Zhi |
| ___ |
| }} |
| |
| $code=<<___; |
| .text |
| .extern OPENSSL_ia32cap_P |
| |
| .globl gcm_gmult_4bit |
| .type gcm_gmult_4bit,\@function,2 |
| .align 16 |
| gcm_gmult_4bit: |
| push %rbx |
| push %rbp # %rbp and %r12 are pushed exclusively in |
| push %r12 # order to reuse Win64 exception handler... |
| .Lgmult_prologue: |
| |
| movzb 15($Xi),$Zlo |
| lea .Lrem_4bit(%rip),$rem_4bit |
| ___ |
| &loop ($Xi); |
| $code.=<<___; |
| mov $Zlo,8($Xi) |
| mov $Zhi,($Xi) |
| |
| mov 16(%rsp),%rbx |
| lea 24(%rsp),%rsp |
| .Lgmult_epilogue: |
| ret |
| .size gcm_gmult_4bit,.-gcm_gmult_4bit |
| ___ |
| |
| # per-function register layout |
| $inp="%rdx"; |
| $len="%rcx"; |
| $rem_8bit=$rem_4bit; |
| |
| $code.=<<___; |
| .globl gcm_ghash_4bit |
| .type gcm_ghash_4bit,\@function,4 |
| .align 16 |
| gcm_ghash_4bit: |
| push %rbx |
| push %rbp |
| push %r12 |
| push %r13 |
| push %r14 |
| push %r15 |
| sub \$280,%rsp |
| .Lghash_prologue: |
| mov $inp,%r14 # reassign couple of args |
| mov $len,%r15 |
| ___ |
| { my $inp="%r14"; |
| my $dat="%edx"; |
| my $len="%r15"; |
| my @nhi=("%ebx","%ecx"); |
| my @rem=("%r12","%r13"); |
| my $Hshr4="%rbp"; |
| |
| &sub ($Htbl,-128); # size optimization |
| &lea ($Hshr4,"16+128(%rsp)"); |
| { my @lo =($nlo,$nhi); |
| my @hi =($Zlo,$Zhi); |
| |
| &xor ($dat,$dat); |
| for ($i=0,$j=-2;$i<18;$i++,$j++) { |
| &mov ("$j(%rsp)",&LB($dat)) if ($i>1); |
| &or ($lo[0],$tmp) if ($i>1); |
| &mov (&LB($dat),&LB($lo[1])) if ($i>0 && $i<17); |
| &shr ($lo[1],4) if ($i>0 && $i<17); |
| &mov ($tmp,$hi[1]) if ($i>0 && $i<17); |
| &shr ($hi[1],4) if ($i>0 && $i<17); |
| &mov ("8*$j($Hshr4)",$hi[0]) if ($i>1); |
| &mov ($hi[0],"16*$i+0-128($Htbl)") if ($i<16); |
| &shl (&LB($dat),4) if ($i>0 && $i<17); |
| &mov ("8*$j-128($Hshr4)",$lo[0]) if ($i>1); |
| &mov ($lo[0],"16*$i+8-128($Htbl)") if ($i<16); |
| &shl ($tmp,60) if ($i>0 && $i<17); |
| |
| push (@lo,shift(@lo)); |
| push (@hi,shift(@hi)); |
| } |
| } |
| &add ($Htbl,-128); |
| &mov ($Zlo,"8($Xi)"); |
| &mov ($Zhi,"0($Xi)"); |
| &add ($len,$inp); # pointer to the end of data |
| &lea ($rem_8bit,".Lrem_8bit(%rip)"); |
| &jmp (".Louter_loop"); |
| |
| $code.=".align 16\n.Louter_loop:\n"; |
| &xor ($Zhi,"($inp)"); |
| &mov ("%rdx","8($inp)"); |
| &lea ($inp,"16($inp)"); |
| &xor ("%rdx",$Zlo); |
| &mov ("($Xi)",$Zhi); |
| &mov ("8($Xi)","%rdx"); |
| &shr ("%rdx",32); |
| |
| &xor ($nlo,$nlo); |
| &rol ($dat,8); |
| &mov (&LB($nlo),&LB($dat)); |
| &movz ($nhi[0],&LB($dat)); |
| &shl (&LB($nlo),4); |
| &shr ($nhi[0],4); |
| |
| for ($j=11,$i=0;$i<15;$i++) { |
| &rol ($dat,8); |
| &xor ($Zlo,"8($Htbl,$nlo)") if ($i>0); |
| &xor ($Zhi,"($Htbl,$nlo)") if ($i>0); |
| &mov ($Zlo,"8($Htbl,$nlo)") if ($i==0); |
| &mov ($Zhi,"($Htbl,$nlo)") if ($i==0); |
| |
| &mov (&LB($nlo),&LB($dat)); |
| &xor ($Zlo,$tmp) if ($i>0); |
| &movzw ($rem[1],"($rem_8bit,$rem[1],2)") if ($i>0); |
| |
| &movz ($nhi[1],&LB($dat)); |
| &shl (&LB($nlo),4); |
| &movzb ($rem[0],"(%rsp,$nhi[0])"); |
| |
| &shr ($nhi[1],4) if ($i<14); |
| &and ($nhi[1],0xf0) if ($i==14); |
| &shl ($rem[1],48) if ($i>0); |
| &xor ($rem[0],$Zlo); |
| |
| &mov ($tmp,$Zhi); |
| &xor ($Zhi,$rem[1]) if ($i>0); |
| &shr ($Zlo,8); |
| |
| &movz ($rem[0],&LB($rem[0])); |
| &mov ($dat,"$j($Xi)") if (--$j%4==0); |
| &shr ($Zhi,8); |
| |
| &xor ($Zlo,"-128($Hshr4,$nhi[0],8)"); |
| &shl ($tmp,56); |
| &xor ($Zhi,"($Hshr4,$nhi[0],8)"); |
| |
| unshift (@nhi,pop(@nhi)); # "rotate" registers |
| unshift (@rem,pop(@rem)); |
| } |
| &movzw ($rem[1],"($rem_8bit,$rem[1],2)"); |
| &xor ($Zlo,"8($Htbl,$nlo)"); |
| &xor ($Zhi,"($Htbl,$nlo)"); |
| |
| &shl ($rem[1],48); |
| &xor ($Zlo,$tmp); |
| |
| &xor ($Zhi,$rem[1]); |
| &movz ($rem[0],&LB($Zlo)); |
| &shr ($Zlo,4); |
| |
| &mov ($tmp,$Zhi); |
| &shl (&LB($rem[0]),4); |
| &shr ($Zhi,4); |
| |
| &xor ($Zlo,"8($Htbl,$nhi[0])"); |
| &movzw ($rem[0],"($rem_8bit,$rem[0],2)"); |
| &shl ($tmp,60); |
| |
| &xor ($Zhi,"($Htbl,$nhi[0])"); |
| &xor ($Zlo,$tmp); |
| &shl ($rem[0],48); |
| |
| &bswap ($Zlo); |
| &xor ($Zhi,$rem[0]); |
| |
| &bswap ($Zhi); |
| &cmp ($inp,$len); |
| &jb (".Louter_loop"); |
| } |
| $code.=<<___; |
| mov $Zlo,8($Xi) |
| mov $Zhi,($Xi) |
| |
| lea 280(%rsp),%rsi |
| mov 0(%rsi),%r15 |
| mov 8(%rsi),%r14 |
| mov 16(%rsi),%r13 |
| mov 24(%rsi),%r12 |
| mov 32(%rsi),%rbp |
| mov 40(%rsi),%rbx |
| lea 48(%rsi),%rsp |
| .Lghash_epilogue: |
| ret |
| .size gcm_ghash_4bit,.-gcm_ghash_4bit |
| ___ |
| |
| ###################################################################### |
| # PCLMULQDQ version. |
| |
| @_4args=$win64? ("%rcx","%rdx","%r8", "%r9") : # Win64 order |
| ("%rdi","%rsi","%rdx","%rcx"); # Unix order |
| |
| ($Xi,$Xhi)=("%xmm0","%xmm1"); $Hkey="%xmm2"; |
| ($T1,$T2,$T3)=("%xmm3","%xmm4","%xmm5"); |
| |
| sub clmul64x64_T2 { # minimal register pressure |
| my ($Xhi,$Xi,$Hkey,$HK)=@_; |
| |
| if (!defined($HK)) { $HK = $T2; |
| $code.=<<___; |
| movdqa $Xi,$Xhi # |
| pshufd \$0b01001110,$Xi,$T1 |
| pshufd \$0b01001110,$Hkey,$T2 |
| pxor $Xi,$T1 # |
| pxor $Hkey,$T2 |
| ___ |
| } else { |
| $code.=<<___; |
| movdqa $Xi,$Xhi # |
| pshufd \$0b01001110,$Xi,$T1 |
| pxor $Xi,$T1 # |
| ___ |
| } |
| $code.=<<___; |
| pclmulqdq \$0x00,$Hkey,$Xi ####### |
| pclmulqdq \$0x11,$Hkey,$Xhi ####### |
| pclmulqdq \$0x00,$HK,$T1 ####### |
| pxor $Xi,$T1 # |
| pxor $Xhi,$T1 # |
| |
| movdqa $T1,$T2 # |
| psrldq \$8,$T1 |
| pslldq \$8,$T2 # |
| pxor $T1,$Xhi |
| pxor $T2,$Xi # |
| ___ |
| } |
| |
| sub reduction_alg9 { # 17/11 times faster than Intel version |
| my ($Xhi,$Xi) = @_; |
| |
| $code.=<<___; |
| # 1st phase |
| movdqa $Xi,$T2 # |
| movdqa $Xi,$T1 |
| psllq \$5,$Xi |
| pxor $Xi,$T1 # |
| psllq \$1,$Xi |
| pxor $T1,$Xi # |
| psllq \$57,$Xi # |
| movdqa $Xi,$T1 # |
| pslldq \$8,$Xi |
| psrldq \$8,$T1 # |
| pxor $T2,$Xi |
| pxor $T1,$Xhi # |
| |
| # 2nd phase |
| movdqa $Xi,$T2 |
| psrlq \$1,$Xi |
| pxor $T2,$Xhi # |
| pxor $Xi,$T2 |
| psrlq \$5,$Xi |
| pxor $T2,$Xi # |
| psrlq \$1,$Xi # |
| pxor $Xhi,$Xi # |
| ___ |
| } |
| |
| { my ($Htbl,$Xip)=@_4args; |
| my $HK="%xmm6"; |
| |
| $code.=<<___; |
| .globl gcm_init_clmul |
| .type gcm_init_clmul,\@abi-omnipotent |
| .align 16 |
| gcm_init_clmul: |
| .L_init_clmul: |
| ___ |
| $code.=<<___ if ($win64); |
| .LSEH_begin_gcm_init_clmul: |
| # I can't trust assembler to use specific encoding:-( |
| .byte 0x48,0x83,0xec,0x18 #sub $0x18,%rsp |
| .byte 0x0f,0x29,0x34,0x24 #movaps %xmm6,(%rsp) |
| ___ |
| $code.=<<___; |
| movdqu ($Xip),$Hkey |
| pshufd \$0b01001110,$Hkey,$Hkey # dword swap |
| |
| # <<1 twist |
| pshufd \$0b11111111,$Hkey,$T2 # broadcast uppermost dword |
| movdqa $Hkey,$T1 |
| psllq \$1,$Hkey |
| pxor $T3,$T3 # |
| psrlq \$63,$T1 |
| pcmpgtd $T2,$T3 # broadcast carry bit |
| pslldq \$8,$T1 |
| por $T1,$Hkey # H<<=1 |
| |
| # magic reduction |
| pand .L0x1c2_polynomial(%rip),$T3 |
| pxor $T3,$Hkey # if(carry) H^=0x1c2_polynomial |
| |
| # calculate H^2 |
| pshufd \$0b01001110,$Hkey,$HK |
| movdqa $Hkey,$Xi |
| pxor $Hkey,$HK |
| ___ |
| &clmul64x64_T2 ($Xhi,$Xi,$Hkey,$HK); |
| &reduction_alg9 ($Xhi,$Xi); |
| $code.=<<___; |
| pshufd \$0b01001110,$Hkey,$T1 |
| pshufd \$0b01001110,$Xi,$T2 |
| pxor $Hkey,$T1 # Karatsuba pre-processing |
| movdqu $Hkey,0x00($Htbl) # save H |
| pxor $Xi,$T2 # Karatsuba pre-processing |
| movdqu $Xi,0x10($Htbl) # save H^2 |
| palignr \$8,$T1,$T2 # low part is H.lo^H.hi... |
| movdqu $T2,0x20($Htbl) # save Karatsuba "salt" |
| ___ |
| if ($do4xaggr) { |
| &clmul64x64_T2 ($Xhi,$Xi,$Hkey,$HK); # H^3 |
| &reduction_alg9 ($Xhi,$Xi); |
| $code.=<<___; |
| movdqa $Xi,$T3 |
| ___ |
| &clmul64x64_T2 ($Xhi,$Xi,$Hkey,$HK); # H^4 |
| &reduction_alg9 ($Xhi,$Xi); |
| $code.=<<___; |
| pshufd \$0b01001110,$T3,$T1 |
| pshufd \$0b01001110,$Xi,$T2 |
| pxor $T3,$T1 # Karatsuba pre-processing |
| movdqu $T3,0x30($Htbl) # save H^3 |
| pxor $Xi,$T2 # Karatsuba pre-processing |
| movdqu $Xi,0x40($Htbl) # save H^4 |
| palignr \$8,$T1,$T2 # low part is H^3.lo^H^3.hi... |
| movdqu $T2,0x50($Htbl) # save Karatsuba "salt" |
| ___ |
| } |
| $code.=<<___ if ($win64); |
| movaps (%rsp),%xmm6 |
| lea 0x18(%rsp),%rsp |
| .LSEH_end_gcm_init_clmul: |
| ___ |
| $code.=<<___; |
| ret |
| .size gcm_init_clmul,.-gcm_init_clmul |
| ___ |
| } |
| |
| { my ($Xip,$Htbl)=@_4args; |
| |
| $code.=<<___; |
| .globl gcm_gmult_clmul |
| .type gcm_gmult_clmul,\@abi-omnipotent |
| .align 16 |
| gcm_gmult_clmul: |
| .L_gmult_clmul: |
| movdqu ($Xip),$Xi |
| movdqa .Lbswap_mask(%rip),$T3 |
| movdqu ($Htbl),$Hkey |
| movdqu 0x20($Htbl),$T2 |
| pshufb $T3,$Xi |
| ___ |
| &clmul64x64_T2 ($Xhi,$Xi,$Hkey,$T2); |
| $code.=<<___ if (0 || (&reduction_alg9($Xhi,$Xi)&&0)); |
| # experimental alternative. special thing about is that there |
| # no dependency between the two multiplications... |
| mov \$`0xE1<<1`,%eax |
| mov \$0xA040608020C0E000,%r10 # ((7..0)·0xE0)&0xff |
| mov \$0x07,%r11d |
| movq %rax,$T1 |
| movq %r10,$T2 |
| movq %r11,$T3 # borrow $T3 |
| pand $Xi,$T3 |
| pshufb $T3,$T2 # ($Xi&7)·0xE0 |
| movq %rax,$T3 |
| pclmulqdq \$0x00,$Xi,$T1 # ·(0xE1<<1) |
| pxor $Xi,$T2 |
| pslldq \$15,$T2 |
| paddd $T2,$T2 # <<(64+56+1) |
| pxor $T2,$Xi |
| pclmulqdq \$0x01,$T3,$Xi |
| movdqa .Lbswap_mask(%rip),$T3 # reload $T3 |
| psrldq \$1,$T1 |
| pxor $T1,$Xhi |
| pslldq \$7,$Xi |
| pxor $Xhi,$Xi |
| ___ |
| $code.=<<___; |
| pshufb $T3,$Xi |
| movdqu $Xi,($Xip) |
| ret |
| .size gcm_gmult_clmul,.-gcm_gmult_clmul |
| ___ |
| } |
| |
| { my ($Xip,$Htbl,$inp,$len)=@_4args; |
| my ($Xln,$Xmn,$Xhn,$Hkey2,$HK) = map("%xmm$_",(3..7)); |
| my ($T1,$T2,$T3)=map("%xmm$_",(8..10)); |
| |
| $code.=<<___; |
| .globl gcm_ghash_clmul |
| .type gcm_ghash_clmul,\@abi-omnipotent |
| .align 32 |
| gcm_ghash_clmul: |
| .L_ghash_clmul: |
| ___ |
| $code.=<<___ if ($win64); |
| lea -0x88(%rsp),%rax |
| .LSEH_begin_gcm_ghash_clmul: |
| # I can't trust assembler to use specific encoding:-( |
| .byte 0x48,0x8d,0x60,0xe0 #lea -0x20(%rax),%rsp |
| .byte 0x0f,0x29,0x70,0xe0 #movaps %xmm6,-0x20(%rax) |
| .byte 0x0f,0x29,0x78,0xf0 #movaps %xmm7,-0x10(%rax) |
| .byte 0x44,0x0f,0x29,0x00 #movaps %xmm8,0(%rax) |
| .byte 0x44,0x0f,0x29,0x48,0x10 #movaps %xmm9,0x10(%rax) |
| .byte 0x44,0x0f,0x29,0x50,0x20 #movaps %xmm10,0x20(%rax) |
| .byte 0x44,0x0f,0x29,0x58,0x30 #movaps %xmm11,0x30(%rax) |
| .byte 0x44,0x0f,0x29,0x60,0x40 #movaps %xmm12,0x40(%rax) |
| .byte 0x44,0x0f,0x29,0x68,0x50 #movaps %xmm13,0x50(%rax) |
| .byte 0x44,0x0f,0x29,0x70,0x60 #movaps %xmm14,0x60(%rax) |
| .byte 0x44,0x0f,0x29,0x78,0x70 #movaps %xmm15,0x70(%rax) |
| ___ |
| $code.=<<___; |
| movdqa .Lbswap_mask(%rip),$T3 |
| |
| movdqu ($Xip),$Xi |
| movdqu ($Htbl),$Hkey |
| movdqu 0x20($Htbl),$HK |
| pshufb $T3,$Xi |
| |
| sub \$0x10,$len |
| jz .Lodd_tail |
| |
| movdqu 0x10($Htbl),$Hkey2 |
| ___ |
| if ($do4xaggr) { |
| my ($Xl,$Xm,$Xh,$Hkey3,$Hkey4)=map("%xmm$_",(11..15)); |
| |
| $code.=<<___; |
| mov OPENSSL_ia32cap_P+4(%rip),%eax |
| cmp \$0x30,$len |
| jb .Lskip4x |
| |
| and \$`1<<26|1<<22`,%eax # isolate MOVBE+XSAVE |
| cmp \$`1<<22`,%eax # check for MOVBE without XSAVE |
| je .Lskip4x |
| |
| sub \$0x30,$len |
| mov \$0xA040608020C0E000,%rax # ((7..0)·0xE0)&0xff |
| movdqu 0x30($Htbl),$Hkey3 |
| movdqu 0x40($Htbl),$Hkey4 |
| |
| ####### |
| # Xi+4 =[(H*Ii+3) + (H^2*Ii+2) + (H^3*Ii+1) + H^4*(Ii+Xi)] mod P |
| # |
| movdqu 0x30($inp),$Xln |
| movdqu 0x20($inp),$Xl |
| pshufb $T3,$Xln |
| pshufb $T3,$Xl |
| movdqa $Xln,$Xhn |
| pshufd \$0b01001110,$Xln,$Xmn |
| pxor $Xln,$Xmn |
| pclmulqdq \$0x00,$Hkey,$Xln |
| pclmulqdq \$0x11,$Hkey,$Xhn |
| pclmulqdq \$0x00,$HK,$Xmn |
| |
| movdqa $Xl,$Xh |
| pshufd \$0b01001110,$Xl,$Xm |
| pxor $Xl,$Xm |
| pclmulqdq \$0x00,$Hkey2,$Xl |
| pclmulqdq \$0x11,$Hkey2,$Xh |
| pclmulqdq \$0x10,$HK,$Xm |
| xorps $Xl,$Xln |
| xorps $Xh,$Xhn |
| movups 0x50($Htbl),$HK |
| xorps $Xm,$Xmn |
| |
| movdqu 0x10($inp),$Xl |
| movdqu 0($inp),$T1 |
| pshufb $T3,$Xl |
| pshufb $T3,$T1 |
| movdqa $Xl,$Xh |
| pshufd \$0b01001110,$Xl,$Xm |
| pxor $T1,$Xi |
| pxor $Xl,$Xm |
| pclmulqdq \$0x00,$Hkey3,$Xl |
| movdqa $Xi,$Xhi |
| pshufd \$0b01001110,$Xi,$T1 |
| pxor $Xi,$T1 |
| pclmulqdq \$0x11,$Hkey3,$Xh |
| pclmulqdq \$0x00,$HK,$Xm |
| xorps $Xl,$Xln |
| xorps $Xh,$Xhn |
| |
| lea 0x40($inp),$inp |
| sub \$0x40,$len |
| jc .Ltail4x |
| |
| jmp .Lmod4_loop |
| .align 32 |
| .Lmod4_loop: |
| pclmulqdq \$0x00,$Hkey4,$Xi |
| xorps $Xm,$Xmn |
| movdqu 0x30($inp),$Xl |
| pshufb $T3,$Xl |
| pclmulqdq \$0x11,$Hkey4,$Xhi |
| xorps $Xln,$Xi |
| movdqu 0x20($inp),$Xln |
| movdqa $Xl,$Xh |
| pclmulqdq \$0x10,$HK,$T1 |
| pshufd \$0b01001110,$Xl,$Xm |
| xorps $Xhn,$Xhi |
| pxor $Xl,$Xm |
| pshufb $T3,$Xln |
| movups 0x20($Htbl),$HK |
| xorps $Xmn,$T1 |
| pclmulqdq \$0x00,$Hkey,$Xl |
| pshufd \$0b01001110,$Xln,$Xmn |
| |
| pxor $Xi,$T1 # aggregated Karatsuba post-processing |
| movdqa $Xln,$Xhn |
| pxor $Xhi,$T1 # |
| pxor $Xln,$Xmn |
| movdqa $T1,$T2 # |
| pclmulqdq \$0x11,$Hkey,$Xh |
| pslldq \$8,$T1 |
| psrldq \$8,$T2 # |
| pxor $T1,$Xi |
| movdqa .L7_mask(%rip),$T1 |
| pxor $T2,$Xhi # |
| movq %rax,$T2 |
| |
| pand $Xi,$T1 # 1st phase |
| pshufb $T1,$T2 # |
| pxor $Xi,$T2 # |
| pclmulqdq \$0x00,$HK,$Xm |
| psllq \$57,$T2 # |
| movdqa $T2,$T1 # |
| pslldq \$8,$T2 |
| pclmulqdq \$0x00,$Hkey2,$Xln |
| psrldq \$8,$T1 # |
| pxor $T2,$Xi |
| pxor $T1,$Xhi # |
| movdqu 0($inp),$T1 |
| |
| movdqa $Xi,$T2 # 2nd phase |
| psrlq \$1,$Xi |
| pclmulqdq \$0x11,$Hkey2,$Xhn |
| xorps $Xl,$Xln |
| movdqu 0x10($inp),$Xl |
| pshufb $T3,$Xl |
| pclmulqdq \$0x10,$HK,$Xmn |
| xorps $Xh,$Xhn |
| movups 0x50($Htbl),$HK |
| pshufb $T3,$T1 |
| pxor $T2,$Xhi # |
| pxor $Xi,$T2 |
| psrlq \$5,$Xi |
| |
| movdqa $Xl,$Xh |
| pxor $Xm,$Xmn |
| pshufd \$0b01001110,$Xl,$Xm |
| pxor $T2,$Xi # |
| pxor $T1,$Xhi |
| pxor $Xl,$Xm |
| pclmulqdq \$0x00,$Hkey3,$Xl |
| psrlq \$1,$Xi # |
| pxor $Xhi,$Xi # |
| movdqa $Xi,$Xhi |
| pclmulqdq \$0x11,$Hkey3,$Xh |
| xorps $Xl,$Xln |
| pshufd \$0b01001110,$Xi,$T1 |
| pxor $Xi,$T1 |
| |
| pclmulqdq \$0x00,$HK,$Xm |
| xorps $Xh,$Xhn |
| |
| lea 0x40($inp),$inp |
| sub \$0x40,$len |
| jnc .Lmod4_loop |
| |
| .Ltail4x: |
| pclmulqdq \$0x00,$Hkey4,$Xi |
| pclmulqdq \$0x11,$Hkey4,$Xhi |
| pclmulqdq \$0x10,$HK,$T1 |
| xorps $Xm,$Xmn |
| xorps $Xln,$Xi |
| xorps $Xhn,$Xhi |
| pxor $Xi,$Xhi # aggregated Karatsuba post-processing |
| pxor $Xmn,$T1 |
| |
| pxor $Xhi,$T1 # |
| pxor $Xi,$Xhi |
| |
| movdqa $T1,$T2 # |
| psrldq \$8,$T1 |
| pslldq \$8,$T2 # |
| pxor $T1,$Xhi |
| pxor $T2,$Xi # |
| ___ |
| &reduction_alg9($Xhi,$Xi); |
| $code.=<<___; |
| add \$0x40,$len |
| jz .Ldone |
| movdqu 0x20($Htbl),$HK |
| sub \$0x10,$len |
| jz .Lodd_tail |
| .Lskip4x: |
| ___ |
| } |
| $code.=<<___; |
| ####### |
| # Xi+2 =[H*(Ii+1 + Xi+1)] mod P = |
| # [(H*Ii+1) + (H*Xi+1)] mod P = |
| # [(H*Ii+1) + H^2*(Ii+Xi)] mod P |
| # |
| movdqu ($inp),$T1 # Ii |
| movdqu 16($inp),$Xln # Ii+1 |
| pshufb $T3,$T1 |
| pshufb $T3,$Xln |
| pxor $T1,$Xi # Ii+Xi |
| |
| movdqa $Xln,$Xhn |
| pshufd \$0b01001110,$Xln,$Xmn |
| pxor $Xln,$Xmn |
| pclmulqdq \$0x00,$Hkey,$Xln |
| pclmulqdq \$0x11,$Hkey,$Xhn |
| pclmulqdq \$0x00,$HK,$Xmn |
| |
| lea 32($inp),$inp # i+=2 |
| nop |
| sub \$0x20,$len |
| jbe .Leven_tail |
| nop |
| jmp .Lmod_loop |
| |
| .align 32 |
| .Lmod_loop: |
| movdqa $Xi,$Xhi |
| movdqa $Xmn,$T1 |
| pshufd \$0b01001110,$Xi,$Xmn # |
| pxor $Xi,$Xmn # |
| |
| pclmulqdq \$0x00,$Hkey2,$Xi |
| pclmulqdq \$0x11,$Hkey2,$Xhi |
| pclmulqdq \$0x10,$HK,$Xmn |
| |
| pxor $Xln,$Xi # (H*Ii+1) + H^2*(Ii+Xi) |
| pxor $Xhn,$Xhi |
| movdqu ($inp),$T2 # Ii |
| pxor $Xi,$T1 # aggregated Karatsuba post-processing |
| pshufb $T3,$T2 |
| movdqu 16($inp),$Xln # Ii+1 |
| |
| pxor $Xhi,$T1 |
| pxor $T2,$Xhi # "Ii+Xi", consume early |
| pxor $T1,$Xmn |
| pshufb $T3,$Xln |
| movdqa $Xmn,$T1 # |
| psrldq \$8,$T1 |
| pslldq \$8,$Xmn # |
| pxor $T1,$Xhi |
| pxor $Xmn,$Xi # |
| |
| movdqa $Xln,$Xhn # |
| |
| movdqa $Xi,$T2 # 1st phase |
| movdqa $Xi,$T1 |
| psllq \$5,$Xi |
| pxor $Xi,$T1 # |
| pclmulqdq \$0x00,$Hkey,$Xln ####### |
| psllq \$1,$Xi |
| pxor $T1,$Xi # |
| psllq \$57,$Xi # |
| movdqa $Xi,$T1 # |
| pslldq \$8,$Xi |
| psrldq \$8,$T1 # |
| pxor $T2,$Xi |
| pshufd \$0b01001110,$Xhn,$Xmn |
| pxor $T1,$Xhi # |
| pxor $Xhn,$Xmn # |
| |
| movdqa $Xi,$T2 # 2nd phase |
| psrlq \$1,$Xi |
| pclmulqdq \$0x11,$Hkey,$Xhn ####### |
| pxor $T2,$Xhi # |
| pxor $Xi,$T2 |
| psrlq \$5,$Xi |
| pxor $T2,$Xi # |
| lea 32($inp),$inp |
| psrlq \$1,$Xi # |
| pclmulqdq \$0x00,$HK,$Xmn ####### |
| pxor $Xhi,$Xi # |
| |
| sub \$0x20,$len |
| ja .Lmod_loop |
| |
| .Leven_tail: |
| movdqa $Xi,$Xhi |
| movdqa $Xmn,$T1 |
| pshufd \$0b01001110,$Xi,$Xmn # |
| pxor $Xi,$Xmn # |
| |
| pclmulqdq \$0x00,$Hkey2,$Xi |
| pclmulqdq \$0x11,$Hkey2,$Xhi |
| pclmulqdq \$0x10,$HK,$Xmn |
| |
| pxor $Xln,$Xi # (H*Ii+1) + H^2*(Ii+Xi) |
| pxor $Xhn,$Xhi |
| pxor $Xi,$T1 |
| pxor $Xhi,$T1 |
| pxor $T1,$Xmn |
| movdqa $Xmn,$T1 # |
| psrldq \$8,$T1 |
| pslldq \$8,$Xmn # |
| pxor $T1,$Xhi |
| pxor $Xmn,$Xi # |
| ___ |
| &reduction_alg9 ($Xhi,$Xi); |
| $code.=<<___; |
| test $len,$len |
| jnz .Ldone |
| |
| .Lodd_tail: |
| movdqu ($inp),$T1 # Ii |
| pshufb $T3,$T1 |
| pxor $T1,$Xi # Ii+Xi |
| ___ |
| &clmul64x64_T2 ($Xhi,$Xi,$Hkey,$HK); # H*(Ii+Xi) |
| &reduction_alg9 ($Xhi,$Xi); |
| $code.=<<___; |
| .Ldone: |
| pshufb $T3,$Xi |
| movdqu $Xi,($Xip) |
| ___ |
| $code.=<<___ if ($win64); |
| movaps (%rsp),%xmm6 |
| movaps 0x10(%rsp),%xmm7 |
| movaps 0x20(%rsp),%xmm8 |
| movaps 0x30(%rsp),%xmm9 |
| movaps 0x40(%rsp),%xmm10 |
| movaps 0x50(%rsp),%xmm11 |
| movaps 0x60(%rsp),%xmm12 |
| movaps 0x70(%rsp),%xmm13 |
| movaps 0x80(%rsp),%xmm14 |
| movaps 0x90(%rsp),%xmm15 |
| lea 0xa8(%rsp),%rsp |
| .LSEH_end_gcm_ghash_clmul: |
| ___ |
| $code.=<<___; |
| ret |
| .size gcm_ghash_clmul,.-gcm_ghash_clmul |
| ___ |
| } |
| |
| $code.=<<___; |
| .globl gcm_init_avx |
| .type gcm_init_avx,\@abi-omnipotent |
| .align 32 |
| gcm_init_avx: |
| ___ |
| if ($avx) { |
| my ($Htbl,$Xip)=@_4args; |
| my $HK="%xmm6"; |
| |
| $code.=<<___ if ($win64); |
| .LSEH_begin_gcm_init_avx: |
| # I can't trust assembler to use specific encoding:-( |
| .byte 0x48,0x83,0xec,0x18 #sub $0x18,%rsp |
| .byte 0x0f,0x29,0x34,0x24 #movaps %xmm6,(%rsp) |
| ___ |
| $code.=<<___; |
| vzeroupper |
| |
| vmovdqu ($Xip),$Hkey |
| vpshufd \$0b01001110,$Hkey,$Hkey # dword swap |
| |
| # <<1 twist |
| vpshufd \$0b11111111,$Hkey,$T2 # broadcast uppermost dword |
| vpsrlq \$63,$Hkey,$T1 |
| vpsllq \$1,$Hkey,$Hkey |
| vpxor $T3,$T3,$T3 # |
| vpcmpgtd $T2,$T3,$T3 # broadcast carry bit |
| vpslldq \$8,$T1,$T1 |
| vpor $T1,$Hkey,$Hkey # H<<=1 |
| |
| # magic reduction |
| vpand .L0x1c2_polynomial(%rip),$T3,$T3 |
| vpxor $T3,$Hkey,$Hkey # if(carry) H^=0x1c2_polynomial |
| |
| vpunpckhqdq $Hkey,$Hkey,$HK |
| vmovdqa $Hkey,$Xi |
| vpxor $Hkey,$HK,$HK |
| mov \$4,%r10 # up to H^8 |
| jmp .Linit_start_avx |
| ___ |
| |
| sub clmul64x64_avx { |
| my ($Xhi,$Xi,$Hkey,$HK)=@_; |
| |
| if (!defined($HK)) { $HK = $T2; |
| $code.=<<___; |
| vpunpckhqdq $Xi,$Xi,$T1 |
| vpunpckhqdq $Hkey,$Hkey,$T2 |
| vpxor $Xi,$T1,$T1 # |
| vpxor $Hkey,$T2,$T2 |
| ___ |
| } else { |
| $code.=<<___; |
| vpunpckhqdq $Xi,$Xi,$T1 |
| vpxor $Xi,$T1,$T1 # |
| ___ |
| } |
| $code.=<<___; |
| vpclmulqdq \$0x11,$Hkey,$Xi,$Xhi ####### |
| vpclmulqdq \$0x00,$Hkey,$Xi,$Xi ####### |
| vpclmulqdq \$0x00,$HK,$T1,$T1 ####### |
| vpxor $Xi,$Xhi,$T2 # |
| vpxor $T2,$T1,$T1 # |
| |
| vpslldq \$8,$T1,$T2 # |
| vpsrldq \$8,$T1,$T1 |
| vpxor $T2,$Xi,$Xi # |
| vpxor $T1,$Xhi,$Xhi |
| ___ |
| } |
| |
| sub reduction_avx { |
| my ($Xhi,$Xi) = @_; |
| |
| $code.=<<___; |
| vpsllq \$57,$Xi,$T1 # 1st phase |
| vpsllq \$62,$Xi,$T2 |
| vpxor $T1,$T2,$T2 # |
| vpsllq \$63,$Xi,$T1 |
| vpxor $T1,$T2,$T2 # |
| vpslldq \$8,$T2,$T1 # |
| vpsrldq \$8,$T2,$T2 |
| vpxor $T1,$Xi,$Xi # |
| vpxor $T2,$Xhi,$Xhi |
| |
| vpsrlq \$1,$Xi,$T2 # 2nd phase |
| vpxor $Xi,$Xhi,$Xhi |
| vpxor $T2,$Xi,$Xi # |
| vpsrlq \$5,$T2,$T2 |
| vpxor $T2,$Xi,$Xi # |
| vpsrlq \$1,$Xi,$Xi # |
| vpxor $Xhi,$Xi,$Xi # |
| ___ |
| } |
| |
| $code.=<<___; |
| .align 32 |
| .Linit_loop_avx: |
| vpalignr \$8,$T1,$T2,$T3 # low part is H.lo^H.hi... |
| vmovdqu $T3,-0x10($Htbl) # save Karatsuba "salt" |
| ___ |
| &clmul64x64_avx ($Xhi,$Xi,$Hkey,$HK); # calculate H^3,5,7 |
| &reduction_avx ($Xhi,$Xi); |
| $code.=<<___; |
| .Linit_start_avx: |
| vmovdqa $Xi,$T3 |
| ___ |
| &clmul64x64_avx ($Xhi,$Xi,$Hkey,$HK); # calculate H^2,4,6,8 |
| &reduction_avx ($Xhi,$Xi); |
| $code.=<<___; |
| vpshufd \$0b01001110,$T3,$T1 |
| vpshufd \$0b01001110,$Xi,$T2 |
| vpxor $T3,$T1,$T1 # Karatsuba pre-processing |
| vmovdqu $T3,0x00($Htbl) # save H^1,3,5,7 |
| vpxor $Xi,$T2,$T2 # Karatsuba pre-processing |
| vmovdqu $Xi,0x10($Htbl) # save H^2,4,6,8 |
| lea 0x30($Htbl),$Htbl |
| sub \$1,%r10 |
| jnz .Linit_loop_avx |
| |
| vpalignr \$8,$T2,$T1,$T3 # last "salt" is flipped |
| vmovdqu $T3,-0x10($Htbl) |
| |
| vzeroupper |
| ___ |
| $code.=<<___ if ($win64); |
| movaps (%rsp),%xmm6 |
| lea 0x18(%rsp),%rsp |
| .LSEH_end_gcm_init_avx: |
| ___ |
| $code.=<<___; |
| ret |
| .size gcm_init_avx,.-gcm_init_avx |
| ___ |
| } else { |
| $code.=<<___; |
| jmp .L_init_clmul |
| .size gcm_init_avx,.-gcm_init_avx |
| ___ |
| } |
| |
| $code.=<<___; |
| .globl gcm_gmult_avx |
| .type gcm_gmult_avx,\@abi-omnipotent |
| .align 32 |
| gcm_gmult_avx: |
| jmp .L_gmult_clmul |
| .size gcm_gmult_avx,.-gcm_gmult_avx |
| ___ |
| |
| $code.=<<___; |
| .globl gcm_ghash_avx |
| .type gcm_ghash_avx,\@abi-omnipotent |
| .align 32 |
| gcm_ghash_avx: |
| ___ |
| if ($avx) { |
| my ($Xip,$Htbl,$inp,$len)=@_4args; |
| my ($Xlo,$Xhi,$Xmi, |
| $Zlo,$Zhi,$Zmi, |
| $Hkey,$HK,$T1,$T2, |
| $Xi,$Xo,$Tred,$bswap,$Ii,$Ij) = map("%xmm$_",(0..15)); |
| |
| $code.=<<___ if ($win64); |
| lea -0x88(%rsp),%rax |
| .LSEH_begin_gcm_ghash_avx: |
| # I can't trust assembler to use specific encoding:-( |
| .byte 0x48,0x8d,0x60,0xe0 #lea -0x20(%rax),%rsp |
| .byte 0x0f,0x29,0x70,0xe0 #movaps %xmm6,-0x20(%rax) |
| .byte 0x0f,0x29,0x78,0xf0 #movaps %xmm7,-0x10(%rax) |
| .byte 0x44,0x0f,0x29,0x00 #movaps %xmm8,0(%rax) |
| .byte 0x44,0x0f,0x29,0x48,0x10 #movaps %xmm9,0x10(%rax) |
| .byte 0x44,0x0f,0x29,0x50,0x20 #movaps %xmm10,0x20(%rax) |
| .byte 0x44,0x0f,0x29,0x58,0x30 #movaps %xmm11,0x30(%rax) |
| .byte 0x44,0x0f,0x29,0x60,0x40 #movaps %xmm12,0x40(%rax) |
| .byte 0x44,0x0f,0x29,0x68,0x50 #movaps %xmm13,0x50(%rax) |
| .byte 0x44,0x0f,0x29,0x70,0x60 #movaps %xmm14,0x60(%rax) |
| .byte 0x44,0x0f,0x29,0x78,0x70 #movaps %xmm15,0x70(%rax) |
| ___ |
| $code.=<<___; |
| vzeroupper |
| |
| vmovdqu ($Xip),$Xi # load $Xi |
| lea .L0x1c2_polynomial(%rip),%r10 |
| lea 0x40($Htbl),$Htbl # size optimization |
| vmovdqu .Lbswap_mask(%rip),$bswap |
| vpshufb $bswap,$Xi,$Xi |
| cmp \$0x80,$len |
| jb .Lshort_avx |
| sub \$0x80,$len |
| |
| vmovdqu 0x70($inp),$Ii # I[7] |
| vmovdqu 0x00-0x40($Htbl),$Hkey # $Hkey^1 |
| vpshufb $bswap,$Ii,$Ii |
| vmovdqu 0x20-0x40($Htbl),$HK |
| |
| vpunpckhqdq $Ii,$Ii,$T2 |
| vmovdqu 0x60($inp),$Ij # I[6] |
| vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo |
| vpxor $Ii,$T2,$T2 |
| vpshufb $bswap,$Ij,$Ij |
| vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi |
| vmovdqu 0x10-0x40($Htbl),$Hkey # $Hkey^2 |
| vpunpckhqdq $Ij,$Ij,$T1 |
| vmovdqu 0x50($inp),$Ii # I[5] |
| vpclmulqdq \$0x00,$HK,$T2,$Xmi |
| vpxor $Ij,$T1,$T1 |
| |
| vpshufb $bswap,$Ii,$Ii |
| vpclmulqdq \$0x00,$Hkey,$Ij,$Zlo |
| vpunpckhqdq $Ii,$Ii,$T2 |
| vpclmulqdq \$0x11,$Hkey,$Ij,$Zhi |
| vmovdqu 0x30-0x40($Htbl),$Hkey # $Hkey^3 |
| vpxor $Ii,$T2,$T2 |
| vmovdqu 0x40($inp),$Ij # I[4] |
| vpclmulqdq \$0x10,$HK,$T1,$Zmi |
| vmovdqu 0x50-0x40($Htbl),$HK |
| |
| vpshufb $bswap,$Ij,$Ij |
| vpxor $Xlo,$Zlo,$Zlo |
| vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo |
| vpxor $Xhi,$Zhi,$Zhi |
| vpunpckhqdq $Ij,$Ij,$T1 |
| vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi |
| vmovdqu 0x40-0x40($Htbl),$Hkey # $Hkey^4 |
| vpxor $Xmi,$Zmi,$Zmi |
| vpclmulqdq \$0x00,$HK,$T2,$Xmi |
| vpxor $Ij,$T1,$T1 |
| |
| vmovdqu 0x30($inp),$Ii # I[3] |
| vpxor $Zlo,$Xlo,$Xlo |
| vpclmulqdq \$0x00,$Hkey,$Ij,$Zlo |
| vpxor $Zhi,$Xhi,$Xhi |
| vpshufb $bswap,$Ii,$Ii |
| vpclmulqdq \$0x11,$Hkey,$Ij,$Zhi |
| vmovdqu 0x60-0x40($Htbl),$Hkey # $Hkey^5 |
| vpxor $Zmi,$Xmi,$Xmi |
| vpunpckhqdq $Ii,$Ii,$T2 |
| vpclmulqdq \$0x10,$HK,$T1,$Zmi |
| vmovdqu 0x80-0x40($Htbl),$HK |
| vpxor $Ii,$T2,$T2 |
| |
| vmovdqu 0x20($inp),$Ij # I[2] |
| vpxor $Xlo,$Zlo,$Zlo |
| vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo |
| vpxor $Xhi,$Zhi,$Zhi |
| vpshufb $bswap,$Ij,$Ij |
| vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi |
| vmovdqu 0x70-0x40($Htbl),$Hkey # $Hkey^6 |
| vpxor $Xmi,$Zmi,$Zmi |
| vpunpckhqdq $Ij,$Ij,$T1 |
| vpclmulqdq \$0x00,$HK,$T2,$Xmi |
| vpxor $Ij,$T1,$T1 |
| |
| vmovdqu 0x10($inp),$Ii # I[1] |
| vpxor $Zlo,$Xlo,$Xlo |
| vpclmulqdq \$0x00,$Hkey,$Ij,$Zlo |
| vpxor $Zhi,$Xhi,$Xhi |
| vpshufb $bswap,$Ii,$Ii |
| vpclmulqdq \$0x11,$Hkey,$Ij,$Zhi |
| vmovdqu 0x90-0x40($Htbl),$Hkey # $Hkey^7 |
| vpxor $Zmi,$Xmi,$Xmi |
| vpunpckhqdq $Ii,$Ii,$T2 |
| vpclmulqdq \$0x10,$HK,$T1,$Zmi |
| vmovdqu 0xb0-0x40($Htbl),$HK |
| vpxor $Ii,$T2,$T2 |
| |
| vmovdqu ($inp),$Ij # I[0] |
| vpxor $Xlo,$Zlo,$Zlo |
| vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo |
| vpxor $Xhi,$Zhi,$Zhi |
| vpshufb $bswap,$Ij,$Ij |
| vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi |
| vmovdqu 0xa0-0x40($Htbl),$Hkey # $Hkey^8 |
| vpxor $Xmi,$Zmi,$Zmi |
| vpclmulqdq \$0x10,$HK,$T2,$Xmi |
| |
| lea 0x80($inp),$inp |
| cmp \$0x80,$len |
| jb .Ltail_avx |
| |
| vpxor $Xi,$Ij,$Ij # accumulate $Xi |
| sub \$0x80,$len |
| jmp .Loop8x_avx |
| |
| .align 32 |
| .Loop8x_avx: |
| vpunpckhqdq $Ij,$Ij,$T1 |
| vmovdqu 0x70($inp),$Ii # I[7] |
| vpxor $Xlo,$Zlo,$Zlo |
| vpxor $Ij,$T1,$T1 |
| vpclmulqdq \$0x00,$Hkey,$Ij,$Xi |
| vpshufb $bswap,$Ii,$Ii |
| vpxor $Xhi,$Zhi,$Zhi |
| vpclmulqdq \$0x11,$Hkey,$Ij,$Xo |
| vmovdqu 0x00-0x40($Htbl),$Hkey # $Hkey^1 |
| vpunpckhqdq $Ii,$Ii,$T2 |
| vpxor $Xmi,$Zmi,$Zmi |
| vpclmulqdq \$0x00,$HK,$T1,$Tred |
| vmovdqu 0x20-0x40($Htbl),$HK |
| vpxor $Ii,$T2,$T2 |
| |
| vmovdqu 0x60($inp),$Ij # I[6] |
| vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo |
| vpxor $Zlo,$Xi,$Xi # collect result |
| vpshufb $bswap,$Ij,$Ij |
| vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi |
| vxorps $Zhi,$Xo,$Xo |
| vmovdqu 0x10-0x40($Htbl),$Hkey # $Hkey^2 |
| vpunpckhqdq $Ij,$Ij,$T1 |
| vpclmulqdq \$0x00,$HK, $T2,$Xmi |
| vpxor $Zmi,$Tred,$Tred |
| vxorps $Ij,$T1,$T1 |
| |
| vmovdqu 0x50($inp),$Ii # I[5] |
| vpxor $Xi,$Tred,$Tred # aggregated Karatsuba post-processing |
| vpclmulqdq \$0x00,$Hkey,$Ij,$Zlo |
| vpxor $Xo,$Tred,$Tred |
| vpslldq \$8,$Tred,$T2 |
| vpxor $Xlo,$Zlo,$Zlo |
| vpclmulqdq \$0x11,$Hkey,$Ij,$Zhi |
| vpsrldq \$8,$Tred,$Tred |
| vpxor $T2, $Xi, $Xi |
| vmovdqu 0x30-0x40($Htbl),$Hkey # $Hkey^3 |
| vpshufb $bswap,$Ii,$Ii |
| vxorps $Tred,$Xo, $Xo |
| vpxor $Xhi,$Zhi,$Zhi |
| vpunpckhqdq $Ii,$Ii,$T2 |
| vpclmulqdq \$0x10,$HK, $T1,$Zmi |
| vmovdqu 0x50-0x40($Htbl),$HK |
| vpxor $Ii,$T2,$T2 |
| vpxor $Xmi,$Zmi,$Zmi |
| |
| vmovdqu 0x40($inp),$Ij # I[4] |
| vpalignr \$8,$Xi,$Xi,$Tred # 1st phase |
| vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo |
| vpshufb $bswap,$Ij,$Ij |
| vpxor $Zlo,$Xlo,$Xlo |
| vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi |
| vmovdqu 0x40-0x40($Htbl),$Hkey # $Hkey^4 |
| vpunpckhqdq $Ij,$Ij,$T1 |
| vpxor $Zhi,$Xhi,$Xhi |
| vpclmulqdq \$0x00,$HK, $T2,$Xmi |
| vxorps $Ij,$T1,$T1 |
| vpxor $Zmi,$Xmi,$Xmi |
| |
| vmovdqu 0x30($inp),$Ii # I[3] |
| vpclmulqdq \$0x10,(%r10),$Xi,$Xi |
| vpclmulqdq \$0x00,$Hkey,$Ij,$Zlo |
| vpshufb $bswap,$Ii,$Ii |
| vpxor $Xlo,$Zlo,$Zlo |
| vpclmulqdq \$0x11,$Hkey,$Ij,$Zhi |
| vmovdqu 0x60-0x40($Htbl),$Hkey # $Hkey^5 |
| vpunpckhqdq $Ii,$Ii,$T2 |
| vpxor $Xhi,$Zhi,$Zhi |
| vpclmulqdq \$0x10,$HK, $T1,$Zmi |
| vmovdqu 0x80-0x40($Htbl),$HK |
| vpxor $Ii,$T2,$T2 |
| vpxor $Xmi,$Zmi,$Zmi |
| |
| vmovdqu 0x20($inp),$Ij # I[2] |
| vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo |
| vpshufb $bswap,$Ij,$Ij |
| vpxor $Zlo,$Xlo,$Xlo |
| vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi |
| vmovdqu 0x70-0x40($Htbl),$Hkey # $Hkey^6 |
| vpunpckhqdq $Ij,$Ij,$T1 |
| vpxor $Zhi,$Xhi,$Xhi |
| vpclmulqdq \$0x00,$HK, $T2,$Xmi |
| vpxor $Ij,$T1,$T1 |
| vpxor $Zmi,$Xmi,$Xmi |
| vxorps $Tred,$Xi,$Xi |
| |
| vmovdqu 0x10($inp),$Ii # I[1] |
| vpalignr \$8,$Xi,$Xi,$Tred # 2nd phase |
| vpclmulqdq \$0x00,$Hkey,$Ij,$Zlo |
| vpshufb $bswap,$Ii,$Ii |
| vpxor $Xlo,$Zlo,$Zlo |
| vpclmulqdq \$0x11,$Hkey,$Ij,$Zhi |
| vmovdqu 0x90-0x40($Htbl),$Hkey # $Hkey^7 |
| vpclmulqdq \$0x10,(%r10),$Xi,$Xi |
| vxorps $Xo,$Tred,$Tred |
| vpunpckhqdq $Ii,$Ii,$T2 |
| vpxor $Xhi,$Zhi,$Zhi |
| vpclmulqdq \$0x10,$HK, $T1,$Zmi |
| vmovdqu 0xb0-0x40($Htbl),$HK |
| vpxor $Ii,$T2,$T2 |
| vpxor $Xmi,$Zmi,$Zmi |
| |
| vmovdqu ($inp),$Ij # I[0] |
| vpclmulqdq \$0x00,$Hkey,$Ii,$Xlo |
| vpshufb $bswap,$Ij,$Ij |
| vpclmulqdq \$0x11,$Hkey,$Ii,$Xhi |
| vmovdqu 0xa0-0x40($Htbl),$Hkey # $Hkey^8 |
| vpxor $Tred,$Ij,$Ij |
| vpclmulqdq \$0x10,$HK, $T2,$Xmi |
| vpxor $Xi,$Ij,$Ij # accumulate $Xi |
| |
| lea 0x80($inp),$inp |
| sub \$0x80,$len |
| jnc .Loop8x_avx |
| |
| add \$0x80,$len |
| jmp .Ltail_no_xor_avx |
| |
| .align 32 |
| .Lshort_avx: |
| vmovdqu -0x10($inp,$len),$Ii # very last word |
| lea ($inp,$len),$inp |
| vmovdqu 0x00-0x40($Htbl),$Hkey # $Hkey^1 |
| vmovdqu 0x20-0x40($Htbl),$HK |
| vpshufb $bswap,$Ii,$Ij |
| |
| vmovdqa $Xlo,$Zlo # subtle way to zero $Zlo, |
| vmovdqa $Xhi,$Zhi # $Zhi and |
| vmovdqa $Xmi,$Zmi # $Zmi |
| sub \$0x10,$len |
| jz .Ltail_avx |
| |
| vpunpckhqdq $Ij,$Ij,$T1 |
| vpxor $Xlo,$Zlo,$Zlo |
| vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo |
| vpxor $Ij,$T1,$T1 |
| vmovdqu -0x20($inp),$Ii |
| vpxor $Xhi,$Zhi,$Zhi |
| vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi |
| vmovdqu 0x10-0x40($Htbl),$Hkey # $Hkey^2 |
| vpshufb $bswap,$Ii,$Ij |
| vpxor $Xmi,$Zmi,$Zmi |
| vpclmulqdq \$0x00,$HK,$T1,$Xmi |
| vpsrldq \$8,$HK,$HK |
| sub \$0x10,$len |
| jz .Ltail_avx |
| |
| vpunpckhqdq $Ij,$Ij,$T1 |
| vpxor $Xlo,$Zlo,$Zlo |
| vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo |
| vpxor $Ij,$T1,$T1 |
| vmovdqu -0x30($inp),$Ii |
| vpxor $Xhi,$Zhi,$Zhi |
| vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi |
| vmovdqu 0x30-0x40($Htbl),$Hkey # $Hkey^3 |
| vpshufb $bswap,$Ii,$Ij |
| vpxor $Xmi,$Zmi,$Zmi |
| vpclmulqdq \$0x00,$HK,$T1,$Xmi |
| vmovdqu 0x50-0x40($Htbl),$HK |
| sub \$0x10,$len |
| jz .Ltail_avx |
| |
| vpunpckhqdq $Ij,$Ij,$T1 |
| vpxor $Xlo,$Zlo,$Zlo |
| vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo |
| vpxor $Ij,$T1,$T1 |
| vmovdqu -0x40($inp),$Ii |
| vpxor $Xhi,$Zhi,$Zhi |
| vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi |
| vmovdqu 0x40-0x40($Htbl),$Hkey # $Hkey^4 |
| vpshufb $bswap,$Ii,$Ij |
| vpxor $Xmi,$Zmi,$Zmi |
| vpclmulqdq \$0x00,$HK,$T1,$Xmi |
| vpsrldq \$8,$HK,$HK |
| sub \$0x10,$len |
| jz .Ltail_avx |
| |
| vpunpckhqdq $Ij,$Ij,$T1 |
| vpxor $Xlo,$Zlo,$Zlo |
| vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo |
| vpxor $Ij,$T1,$T1 |
| vmovdqu -0x50($inp),$Ii |
| vpxor $Xhi,$Zhi,$Zhi |
| vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi |
| vmovdqu 0x60-0x40($Htbl),$Hkey # $Hkey^5 |
| vpshufb $bswap,$Ii,$Ij |
| vpxor $Xmi,$Zmi,$Zmi |
| vpclmulqdq \$0x00,$HK,$T1,$Xmi |
| vmovdqu 0x80-0x40($Htbl),$HK |
| sub \$0x10,$len |
| jz .Ltail_avx |
| |
| vpunpckhqdq $Ij,$Ij,$T1 |
| vpxor $Xlo,$Zlo,$Zlo |
| vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo |
| vpxor $Ij,$T1,$T1 |
| vmovdqu -0x60($inp),$Ii |
| vpxor $Xhi,$Zhi,$Zhi |
| vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi |
| vmovdqu 0x70-0x40($Htbl),$Hkey # $Hkey^6 |
| vpshufb $bswap,$Ii,$Ij |
| vpxor $Xmi,$Zmi,$Zmi |
| vpclmulqdq \$0x00,$HK,$T1,$Xmi |
| vpsrldq \$8,$HK,$HK |
| sub \$0x10,$len |
| jz .Ltail_avx |
| |
| vpunpckhqdq $Ij,$Ij,$T1 |
| vpxor $Xlo,$Zlo,$Zlo |
| vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo |
| vpxor $Ij,$T1,$T1 |
| vmovdqu -0x70($inp),$Ii |
| vpxor $Xhi,$Zhi,$Zhi |
| vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi |
| vmovdqu 0x90-0x40($Htbl),$Hkey # $Hkey^7 |
| vpshufb $bswap,$Ii,$Ij |
| vpxor $Xmi,$Zmi,$Zmi |
| vpclmulqdq \$0x00,$HK,$T1,$Xmi |
| vmovq 0xb8-0x40($Htbl),$HK |
| sub \$0x10,$len |
| jmp .Ltail_avx |
| |
| .align 32 |
| .Ltail_avx: |
| vpxor $Xi,$Ij,$Ij # accumulate $Xi |
| .Ltail_no_xor_avx: |
| vpunpckhqdq $Ij,$Ij,$T1 |
| vpxor $Xlo,$Zlo,$Zlo |
| vpclmulqdq \$0x00,$Hkey,$Ij,$Xlo |
| vpxor $Ij,$T1,$T1 |
| vpxor $Xhi,$Zhi,$Zhi |
| vpclmulqdq \$0x11,$Hkey,$Ij,$Xhi |
| vpxor $Xmi,$Zmi,$Zmi |
| vpclmulqdq \$0x00,$HK,$T1,$Xmi |
| |
| vmovdqu (%r10),$Tred |
| |
| vpxor $Xlo,$Zlo,$Xi |
| vpxor $Xhi,$Zhi,$Xo |
| vpxor $Xmi,$Zmi,$Zmi |
| |
| vpxor $Xi, $Zmi,$Zmi # aggregated Karatsuba post-processing |
| vpxor $Xo, $Zmi,$Zmi |
| vpslldq \$8, $Zmi,$T2 |
| vpsrldq \$8, $Zmi,$Zmi |
| vpxor $T2, $Xi, $Xi |
| vpxor $Zmi,$Xo, $Xo |
| |
| vpclmulqdq \$0x10,$Tred,$Xi,$T2 # 1st phase |
| vpalignr \$8,$Xi,$Xi,$Xi |
| vpxor $T2,$Xi,$Xi |
| |
| vpclmulqdq \$0x10,$Tred,$Xi,$T2 # 2nd phase |
| vpalignr \$8,$Xi,$Xi,$Xi |
| vpxor $Xo,$Xi,$Xi |
| vpxor $T2,$Xi,$Xi |
| |
| cmp \$0,$len |
| jne .Lshort_avx |
| |
| vpshufb $bswap,$Xi,$Xi |
| vmovdqu $Xi,($Xip) |
| vzeroupper |
| ___ |
| $code.=<<___ if ($win64); |
| movaps (%rsp),%xmm6 |
| movaps 0x10(%rsp),%xmm7 |
| movaps 0x20(%rsp),%xmm8 |
| movaps 0x30(%rsp),%xmm9 |
| movaps 0x40(%rsp),%xmm10 |
| movaps 0x50(%rsp),%xmm11 |
| movaps 0x60(%rsp),%xmm12 |
| movaps 0x70(%rsp),%xmm13 |
| movaps 0x80(%rsp),%xmm14 |
| movaps 0x90(%rsp),%xmm15 |
| lea 0xa8(%rsp),%rsp |
| .LSEH_end_gcm_ghash_avx: |
| ___ |
| $code.=<<___; |
| ret |
| .size gcm_ghash_avx,.-gcm_ghash_avx |
| ___ |
| } else { |
| $code.=<<___; |
| jmp .L_ghash_clmul |
| .size gcm_ghash_avx,.-gcm_ghash_avx |
| ___ |
| } |
| |
| $code.=<<___; |
| .align 64 |
| .Lbswap_mask: |
| .byte 15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0 |
| .L0x1c2_polynomial: |
| .byte 1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0xc2 |
| .L7_mask: |
| .long 7,0,7,0 |
| .L7_mask_poly: |
| .long 7,0,`0xE1<<1`,0 |
| .align 64 |
| .type .Lrem_4bit,\@object |
| .Lrem_4bit: |
| .long 0,`0x0000<<16`,0,`0x1C20<<16`,0,`0x3840<<16`,0,`0x2460<<16` |
| .long 0,`0x7080<<16`,0,`0x6CA0<<16`,0,`0x48C0<<16`,0,`0x54E0<<16` |
| .long 0,`0xE100<<16`,0,`0xFD20<<16`,0,`0xD940<<16`,0,`0xC560<<16` |
| .long 0,`0x9180<<16`,0,`0x8DA0<<16`,0,`0xA9C0<<16`,0,`0xB5E0<<16` |
| .type .Lrem_8bit,\@object |
| .Lrem_8bit: |
| .value 0x0000,0x01C2,0x0384,0x0246,0x0708,0x06CA,0x048C,0x054E |
| .value 0x0E10,0x0FD2,0x0D94,0x0C56,0x0918,0x08DA,0x0A9C,0x0B5E |
| .value 0x1C20,0x1DE2,0x1FA4,0x1E66,0x1B28,0x1AEA,0x18AC,0x196E |
| .value 0x1230,0x13F2,0x11B4,0x1076,0x1538,0x14FA,0x16BC,0x177E |
| .value 0x3840,0x3982,0x3BC4,0x3A06,0x3F48,0x3E8A,0x3CCC,0x3D0E |
| .value 0x3650,0x3792,0x35D4,0x3416,0x3158,0x309A,0x32DC,0x331E |
| .value 0x2460,0x25A2,0x27E4,0x2626,0x2368,0x22AA,0x20EC,0x212E |
| .value 0x2A70,0x2BB2,0x29F4,0x2836,0x2D78,0x2CBA,0x2EFC,0x2F3E |
| .value 0x7080,0x7142,0x7304,0x72C6,0x7788,0x764A,0x740C,0x75CE |
| .value 0x7E90,0x7F52,0x7D14,0x7CD6,0x7998,0x785A,0x7A1C,0x7BDE |
| .value 0x6CA0,0x6D62,0x6F24,0x6EE6,0x6BA8,0x6A6A,0x682C,0x69EE |
| .value 0x62B0,0x6372,0x6134,0x60F6,0x65B8,0x647A,0x663C,0x67FE |
| .value 0x48C0,0x4902,0x4B44,0x4A86,0x4FC8,0x4E0A,0x4C4C,0x4D8E |
| .value 0x46D0,0x4712,0x4554,0x4496,0x41D8,0x401A,0x425C,0x439E |
| .value 0x54E0,0x5522,0x5764,0x56A6,0x53E8,0x522A,0x506C,0x51AE |
| .value 0x5AF0,0x5B32,0x5974,0x58B6,0x5DF8,0x5C3A,0x5E7C,0x5FBE |
| .value 0xE100,0xE0C2,0xE284,0xE346,0xE608,0xE7CA,0xE58C,0xE44E |
| .value 0xEF10,0xEED2,0xEC94,0xED56,0xE818,0xE9DA,0xEB9C,0xEA5E |
| .value 0xFD20,0xFCE2,0xFEA4,0xFF66,0xFA28,0xFBEA,0xF9AC,0xF86E |
| .value 0xF330,0xF2F2,0xF0B4,0xF176,0xF438,0xF5FA,0xF7BC,0xF67E |
| .value 0xD940,0xD882,0xDAC4,0xDB06,0xDE48,0xDF8A,0xDDCC,0xDC0E |
| .value 0xD750,0xD692,0xD4D4,0xD516,0xD058,0xD19A,0xD3DC,0xD21E |
| .value 0xC560,0xC4A2,0xC6E4,0xC726,0xC268,0xC3AA,0xC1EC,0xC02E |
| .value 0xCB70,0xCAB2,0xC8F4,0xC936,0xCC78,0xCDBA,0xCFFC,0xCE3E |
| .value 0x9180,0x9042,0x9204,0x93C6,0x9688,0x974A,0x950C,0x94CE |
| .value 0x9F90,0x9E52,0x9C14,0x9DD6,0x9898,0x995A,0x9B1C,0x9ADE |
| .value 0x8DA0,0x8C62,0x8E24,0x8FE6,0x8AA8,0x8B6A,0x892C,0x88EE |
| .value 0x83B0,0x8272,0x8034,0x81F6,0x84B8,0x857A,0x873C,0x86FE |
| .value 0xA9C0,0xA802,0xAA44,0xAB86,0xAEC8,0xAF0A,0xAD4C,0xAC8E |
| .value 0xA7D0,0xA612,0xA454,0xA596,0xA0D8,0xA11A,0xA35C,0xA29E |
| .value 0xB5E0,0xB422,0xB664,0xB7A6,0xB2E8,0xB32A,0xB16C,0xB0AE |
| .value 0xBBF0,0xBA32,0xB874,0xB9B6,0xBCF8,0xBD3A,0xBF7C,0xBEBE |
| |
| .asciz "GHASH for x86_64, CRYPTOGAMS by <appro\@openssl.org>" |
| .align 64 |
| ___ |
| |
| # EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame, |
| # CONTEXT *context,DISPATCHER_CONTEXT *disp) |
| if ($win64) { |
| $rec="%rcx"; |
| $frame="%rdx"; |
| $context="%r8"; |
| $disp="%r9"; |
| |
| $code.=<<___; |
| .extern __imp_RtlVirtualUnwind |
| .type se_handler,\@abi-omnipotent |
| .align 16 |
| se_handler: |
| push %rsi |
| push %rdi |
| push %rbx |
| push %rbp |
| push %r12 |
| push %r13 |
| push %r14 |
| push %r15 |
| pushfq |
| sub \$64,%rsp |
| |
| mov 120($context),%rax # pull context->Rax |
| mov 248($context),%rbx # pull context->Rip |
| |
| mov 8($disp),%rsi # disp->ImageBase |
| mov 56($disp),%r11 # disp->HandlerData |
| |
| mov 0(%r11),%r10d # HandlerData[0] |
| lea (%rsi,%r10),%r10 # prologue label |
| cmp %r10,%rbx # context->Rip<prologue label |
| jb .Lin_prologue |
| |
| mov 152($context),%rax # pull context->Rsp |
| |
| mov 4(%r11),%r10d # HandlerData[1] |
| lea (%rsi,%r10),%r10 # epilogue label |
| cmp %r10,%rbx # context->Rip>=epilogue label |
| jae .Lin_prologue |
| |
| lea 24(%rax),%rax # adjust "rsp" |
| |
| mov -8(%rax),%rbx |
| mov -16(%rax),%rbp |
| mov -24(%rax),%r12 |
| mov %rbx,144($context) # restore context->Rbx |
| mov %rbp,160($context) # restore context->Rbp |
| mov %r12,216($context) # restore context->R12 |
| |
| .Lin_prologue: |
| mov 8(%rax),%rdi |
| mov 16(%rax),%rsi |
| mov %rax,152($context) # restore context->Rsp |
| mov %rsi,168($context) # restore context->Rsi |
| mov %rdi,176($context) # restore context->Rdi |
| |
| mov 40($disp),%rdi # disp->ContextRecord |
| mov $context,%rsi # context |
| mov \$`1232/8`,%ecx # sizeof(CONTEXT) |
| .long 0xa548f3fc # cld; rep movsq |
| |
| mov $disp,%rsi |
| xor %rcx,%rcx # arg1, UNW_FLAG_NHANDLER |
| mov 8(%rsi),%rdx # arg2, disp->ImageBase |
| mov 0(%rsi),%r8 # arg3, disp->ControlPc |
| mov 16(%rsi),%r9 # arg4, disp->FunctionEntry |
| mov 40(%rsi),%r10 # disp->ContextRecord |
| lea 56(%rsi),%r11 # &disp->HandlerData |
| lea 24(%rsi),%r12 # &disp->EstablisherFrame |
| mov %r10,32(%rsp) # arg5 |
| mov %r11,40(%rsp) # arg6 |
| mov %r12,48(%rsp) # arg7 |
| mov %rcx,56(%rsp) # arg8, (NULL) |
| call *__imp_RtlVirtualUnwind(%rip) |
| |
| mov \$1,%eax # ExceptionContinueSearch |
| add \$64,%rsp |
| popfq |
| pop %r15 |
| pop %r14 |
| pop %r13 |
| pop %r12 |
| pop %rbp |
| pop %rbx |
| pop %rdi |
| pop %rsi |
| ret |
| .size se_handler,.-se_handler |
| |
| .section .pdata |
| .align 4 |
| .rva .LSEH_begin_gcm_gmult_4bit |
| .rva .LSEH_end_gcm_gmult_4bit |
| .rva .LSEH_info_gcm_gmult_4bit |
| |
| .rva .LSEH_begin_gcm_ghash_4bit |
| .rva .LSEH_end_gcm_ghash_4bit |
| .rva .LSEH_info_gcm_ghash_4bit |
| |
| .rva .LSEH_begin_gcm_init_clmul |
| .rva .LSEH_end_gcm_init_clmul |
| .rva .LSEH_info_gcm_init_clmul |
| |
| .rva .LSEH_begin_gcm_ghash_clmul |
| .rva .LSEH_end_gcm_ghash_clmul |
| .rva .LSEH_info_gcm_ghash_clmul |
| ___ |
| $code.=<<___ if ($avx); |
| .rva .LSEH_begin_gcm_init_avx |
| .rva .LSEH_end_gcm_init_avx |
| .rva .LSEH_info_gcm_init_clmul |
| |
| .rva .LSEH_begin_gcm_ghash_avx |
| .rva .LSEH_end_gcm_ghash_avx |
| .rva .LSEH_info_gcm_ghash_clmul |
| ___ |
| $code.=<<___; |
| .section .xdata |
| .align 8 |
| .LSEH_info_gcm_gmult_4bit: |
| .byte 9,0,0,0 |
| .rva se_handler |
| .rva .Lgmult_prologue,.Lgmult_epilogue # HandlerData |
| .LSEH_info_gcm_ghash_4bit: |
| .byte 9,0,0,0 |
| .rva se_handler |
| .rva .Lghash_prologue,.Lghash_epilogue # HandlerData |
| .LSEH_info_gcm_init_clmul: |
| .byte 0x01,0x08,0x03,0x00 |
| .byte 0x08,0x68,0x00,0x00 #movaps 0x00(rsp),xmm6 |
| .byte 0x04,0x22,0x00,0x00 #sub rsp,0x18 |
| .LSEH_info_gcm_ghash_clmul: |
| .byte 0x01,0x33,0x16,0x00 |
| .byte 0x33,0xf8,0x09,0x00 #movaps 0x90(rsp),xmm15 |
| .byte 0x2e,0xe8,0x08,0x00 #movaps 0x80(rsp),xmm14 |
| .byte 0x29,0xd8,0x07,0x00 #movaps 0x70(rsp),xmm13 |
| .byte 0x24,0xc8,0x06,0x00 #movaps 0x60(rsp),xmm12 |
| .byte 0x1f,0xb8,0x05,0x00 #movaps 0x50(rsp),xmm11 |
| .byte 0x1a,0xa8,0x04,0x00 #movaps 0x40(rsp),xmm10 |
| .byte 0x15,0x98,0x03,0x00 #movaps 0x30(rsp),xmm9 |
| .byte 0x10,0x88,0x02,0x00 #movaps 0x20(rsp),xmm8 |
| .byte 0x0c,0x78,0x01,0x00 #movaps 0x10(rsp),xmm7 |
| .byte 0x08,0x68,0x00,0x00 #movaps 0x00(rsp),xmm6 |
| .byte 0x04,0x01,0x15,0x00 #sub rsp,0xa8 |
| ___ |
| } |
| |
| $code =~ s/\`([^\`]*)\`/eval($1)/gem; |
| |
| print $code; |
| |
| close STDOUT; |