| #! /usr/bin/env perl |
| # Copyright 2016 The OpenSSL Project Authors. All Rights Reserved. |
| # |
| # Licensed under the OpenSSL license (the "License"). You may not use |
| # this file except in compliance with the License. You can obtain a copy |
| # in the file LICENSE in the source distribution or at |
| # https://www.openssl.org/source/license.html |
| |
| # |
| # ==================================================================== |
| # 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/. |
| # ==================================================================== |
| # |
| # November 2014 |
| # |
| # ChaCha20 for x86_64. |
| # |
| # December 2016 |
| # |
| # Add AVX512F code path. |
| # |
| # Performance in cycles per byte out of large buffer. |
| # |
| # IALU/gcc 4.8(i) 1xSSSE3/SSE2 4xSSSE3 NxAVX(v) |
| # |
| # P4 9.48/+99% -/22.7(ii) - |
| # Core2 7.83/+55% 7.90/8.08 4.35 |
| # Westmere 7.19/+50% 5.60/6.70 3.00 |
| # Sandy Bridge 8.31/+42% 5.45/6.76 2.72 |
| # Ivy Bridge 6.71/+46% 5.40/6.49 2.41 |
| # Haswell 5.92/+43% 5.20/6.45 2.42 1.23 |
| # Skylake[-X] 5.87/+39% 4.70/- 2.31 1.19[0.57] |
| # Silvermont 12.0/+33% 7.75/7.40 7.03(iii) |
| # Knights L 11.7/- - 9.60(iii) 0.80 |
| # Goldmont 10.6/+17% 5.10/- 3.28 |
| # Sledgehammer 7.28/+52% -/14.2(ii) - |
| # Bulldozer 9.66/+28% 9.85/11.1 3.06(iv) |
| # Ryzen 5.96/+50% 5.19/- 2.40 2.09 |
| # VIA Nano 10.5/+46% 6.72/8.60 6.05 |
| # |
| # (i) compared to older gcc 3.x one can observe >2x improvement on |
| # most platforms; |
| # (ii) as it can be seen, SSE2 performance is too low on legacy |
| # processors; NxSSE2 results are naturally better, but not |
| # impressively better than IALU ones, which is why you won't |
| # find SSE2 code below; |
| # (iii) this is not optimal result for Atom because of MSROM |
| # limitations, SSE2 can do better, but gain is considered too |
| # low to justify the [maintenance] effort; |
| # (iv) Bulldozer actually executes 4xXOP code path that delivers 2.20; |
| # |
| # Modified from upstream OpenSSL to remove the XOP code. |
| |
| $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"; |
| |
| $avx = 2; |
| |
| open OUT,"| \"$^X\" \"$xlate\" $flavour \"$output\""; |
| *STDOUT=*OUT; |
| |
| # input parameter block |
| ($out,$inp,$len,$key,$counter)=("%rdi","%rsi","%rdx","%rcx","%r8"); |
| |
| $code.=<<___; |
| .text |
| |
| .extern OPENSSL_ia32cap_P |
| |
| .section .rodata |
| .align 64 |
| .Lzero: |
| .long 0,0,0,0 |
| .Lone: |
| .long 1,0,0,0 |
| .Linc: |
| .long 0,1,2,3 |
| .Lfour: |
| .long 4,4,4,4 |
| .Lincy: |
| .long 0,2,4,6,1,3,5,7 |
| .Leight: |
| .long 8,8,8,8,8,8,8,8 |
| .Lrot16: |
| .byte 0x2,0x3,0x0,0x1, 0x6,0x7,0x4,0x5, 0xa,0xb,0x8,0x9, 0xe,0xf,0xc,0xd |
| .Lrot24: |
| .byte 0x3,0x0,0x1,0x2, 0x7,0x4,0x5,0x6, 0xb,0x8,0x9,0xa, 0xf,0xc,0xd,0xe |
| .Lsigma: |
| .asciz "expand 32-byte k" |
| .align 64 |
| .Lzeroz: |
| .long 0,0,0,0, 1,0,0,0, 2,0,0,0, 3,0,0,0 |
| .Lfourz: |
| .long 4,0,0,0, 4,0,0,0, 4,0,0,0, 4,0,0,0 |
| .Lincz: |
| .long 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 |
| .Lsixteen: |
| .long 16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16 |
| .asciz "ChaCha20 for x86_64, CRYPTOGAMS by <appro\@openssl.org>" |
| .text |
| ___ |
| |
| 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(',',$arg,reverse @_)."\n"; |
| } |
| |
| @x=("%eax","%ebx","%ecx","%edx",map("%r${_}d",(8..11)), |
| "%nox","%nox","%nox","%nox",map("%r${_}d",(12..15))); |
| @t=("%esi","%edi"); |
| |
| sub ROUND { # critical path is 24 cycles per round |
| my ($a0,$b0,$c0,$d0)=@_; |
| my ($a1,$b1,$c1,$d1)=map(($_&~3)+(($_+1)&3),($a0,$b0,$c0,$d0)); |
| my ($a2,$b2,$c2,$d2)=map(($_&~3)+(($_+1)&3),($a1,$b1,$c1,$d1)); |
| my ($a3,$b3,$c3,$d3)=map(($_&~3)+(($_+1)&3),($a2,$b2,$c2,$d2)); |
| my ($xc,$xc_)=map("\"$_\"",@t); |
| my @x=map("\"$_\"",@x); |
| |
| # Consider order in which variables are addressed by their |
| # index: |
| # |
| # a b c d |
| # |
| # 0 4 8 12 < even round |
| # 1 5 9 13 |
| # 2 6 10 14 |
| # 3 7 11 15 |
| # 0 5 10 15 < odd round |
| # 1 6 11 12 |
| # 2 7 8 13 |
| # 3 4 9 14 |
| # |
| # 'a', 'b' and 'd's are permanently allocated in registers, |
| # @x[0..7,12..15], while 'c's are maintained in memory. If |
| # you observe 'c' column, you'll notice that pair of 'c's is |
| # invariant between rounds. This means that we have to reload |
| # them once per round, in the middle. This is why you'll see |
| # bunch of 'c' stores and loads in the middle, but none in |
| # the beginning or end. |
| |
| # Normally instructions would be interleaved to favour in-order |
| # execution. Generally out-of-order cores manage it gracefully, |
| # but not this time for some reason. As in-order execution |
| # cores are dying breed, old Atom is the only one around, |
| # instructions are left uninterleaved. Besides, Atom is better |
| # off executing 1xSSSE3 code anyway... |
| |
| ( |
| "&add (@x[$a0],@x[$b0])", # Q1 |
| "&xor (@x[$d0],@x[$a0])", |
| "&rol (@x[$d0],16)", |
| "&add (@x[$a1],@x[$b1])", # Q2 |
| "&xor (@x[$d1],@x[$a1])", |
| "&rol (@x[$d1],16)", |
| |
| "&add ($xc,@x[$d0])", |
| "&xor (@x[$b0],$xc)", |
| "&rol (@x[$b0],12)", |
| "&add ($xc_,@x[$d1])", |
| "&xor (@x[$b1],$xc_)", |
| "&rol (@x[$b1],12)", |
| |
| "&add (@x[$a0],@x[$b0])", |
| "&xor (@x[$d0],@x[$a0])", |
| "&rol (@x[$d0],8)", |
| "&add (@x[$a1],@x[$b1])", |
| "&xor (@x[$d1],@x[$a1])", |
| "&rol (@x[$d1],8)", |
| |
| "&add ($xc,@x[$d0])", |
| "&xor (@x[$b0],$xc)", |
| "&rol (@x[$b0],7)", |
| "&add ($xc_,@x[$d1])", |
| "&xor (@x[$b1],$xc_)", |
| "&rol (@x[$b1],7)", |
| |
| "&mov (\"4*$c0(%rsp)\",$xc)", # reload pair of 'c's |
| "&mov (\"4*$c1(%rsp)\",$xc_)", |
| "&mov ($xc,\"4*$c2(%rsp)\")", |
| "&mov ($xc_,\"4*$c3(%rsp)\")", |
| |
| "&add (@x[$a2],@x[$b2])", # Q3 |
| "&xor (@x[$d2],@x[$a2])", |
| "&rol (@x[$d2],16)", |
| "&add (@x[$a3],@x[$b3])", # Q4 |
| "&xor (@x[$d3],@x[$a3])", |
| "&rol (@x[$d3],16)", |
| |
| "&add ($xc,@x[$d2])", |
| "&xor (@x[$b2],$xc)", |
| "&rol (@x[$b2],12)", |
| "&add ($xc_,@x[$d3])", |
| "&xor (@x[$b3],$xc_)", |
| "&rol (@x[$b3],12)", |
| |
| "&add (@x[$a2],@x[$b2])", |
| "&xor (@x[$d2],@x[$a2])", |
| "&rol (@x[$d2],8)", |
| "&add (@x[$a3],@x[$b3])", |
| "&xor (@x[$d3],@x[$a3])", |
| "&rol (@x[$d3],8)", |
| |
| "&add ($xc,@x[$d2])", |
| "&xor (@x[$b2],$xc)", |
| "&rol (@x[$b2],7)", |
| "&add ($xc_,@x[$d3])", |
| "&xor (@x[$b3],$xc_)", |
| "&rol (@x[$b3],7)" |
| ); |
| } |
| |
| ######################################################################## |
| # Generic code path that handles all lengths on pre-SSSE3 processors. |
| $code.=<<___; |
| .globl ChaCha20_ctr32 |
| .type ChaCha20_ctr32,\@function,5 |
| .align 64 |
| ChaCha20_ctr32: |
| .cfi_startproc |
| cmp \$0,$len |
| je .Lno_data |
| mov OPENSSL_ia32cap_P+4(%rip),%r10 |
| ___ |
| $code.=<<___ if ($avx>2); |
| bt \$48,%r10 # check for AVX512F |
| jc .LChaCha20_avx512 |
| ___ |
| $code.=<<___; |
| test \$`1<<(41-32)`,%r10d |
| jnz .LChaCha20_ssse3 |
| |
| push %rbx |
| .cfi_push rbx |
| push %rbp |
| .cfi_push rbp |
| push %r12 |
| .cfi_push r12 |
| push %r13 |
| .cfi_push r13 |
| push %r14 |
| .cfi_push r14 |
| push %r15 |
| .cfi_push r15 |
| sub \$64+24,%rsp |
| .cfi_adjust_cfa_offset `64+24` |
| .Lctr32_body: |
| |
| #movdqa .Lsigma(%rip),%xmm0 |
| movdqu ($key),%xmm1 |
| movdqu 16($key),%xmm2 |
| movdqu ($counter),%xmm3 |
| movdqa .Lone(%rip),%xmm4 |
| |
| #movdqa %xmm0,4*0(%rsp) # key[0] |
| movdqa %xmm1,4*4(%rsp) # key[1] |
| movdqa %xmm2,4*8(%rsp) # key[2] |
| movdqa %xmm3,4*12(%rsp) # key[3] |
| mov $len,%rbp # reassign $len |
| jmp .Loop_outer |
| |
| .align 32 |
| .Loop_outer: |
| mov \$0x61707865,@x[0] # 'expa' |
| mov \$0x3320646e,@x[1] # 'nd 3' |
| mov \$0x79622d32,@x[2] # '2-by' |
| mov \$0x6b206574,@x[3] # 'te k' |
| mov 4*4(%rsp),@x[4] |
| mov 4*5(%rsp),@x[5] |
| mov 4*6(%rsp),@x[6] |
| mov 4*7(%rsp),@x[7] |
| movd %xmm3,@x[12] |
| mov 4*13(%rsp),@x[13] |
| mov 4*14(%rsp),@x[14] |
| mov 4*15(%rsp),@x[15] |
| |
| mov %rbp,64+0(%rsp) # save len |
| mov \$10,%ebp |
| mov $inp,64+8(%rsp) # save inp |
| movq %xmm2,%rsi # "@x[8]" |
| mov $out,64+16(%rsp) # save out |
| mov %rsi,%rdi |
| shr \$32,%rdi # "@x[9]" |
| jmp .Loop |
| |
| .align 32 |
| .Loop: |
| ___ |
| foreach (&ROUND (0, 4, 8,12)) { eval; } |
| foreach (&ROUND (0, 5,10,15)) { eval; } |
| &dec ("%ebp"); |
| &jnz (".Loop"); |
| |
| $code.=<<___; |
| mov @t[1],4*9(%rsp) # modulo-scheduled |
| mov @t[0],4*8(%rsp) |
| mov 64(%rsp),%rbp # load len |
| movdqa %xmm2,%xmm1 |
| mov 64+8(%rsp),$inp # load inp |
| paddd %xmm4,%xmm3 # increment counter |
| mov 64+16(%rsp),$out # load out |
| |
| add \$0x61707865,@x[0] # 'expa' |
| add \$0x3320646e,@x[1] # 'nd 3' |
| add \$0x79622d32,@x[2] # '2-by' |
| add \$0x6b206574,@x[3] # 'te k' |
| add 4*4(%rsp),@x[4] |
| add 4*5(%rsp),@x[5] |
| add 4*6(%rsp),@x[6] |
| add 4*7(%rsp),@x[7] |
| add 4*12(%rsp),@x[12] |
| add 4*13(%rsp),@x[13] |
| add 4*14(%rsp),@x[14] |
| add 4*15(%rsp),@x[15] |
| paddd 4*8(%rsp),%xmm1 |
| |
| cmp \$64,%rbp |
| jb .Ltail |
| |
| xor 4*0($inp),@x[0] # xor with input |
| xor 4*1($inp),@x[1] |
| xor 4*2($inp),@x[2] |
| xor 4*3($inp),@x[3] |
| xor 4*4($inp),@x[4] |
| xor 4*5($inp),@x[5] |
| xor 4*6($inp),@x[6] |
| xor 4*7($inp),@x[7] |
| movdqu 4*8($inp),%xmm0 |
| xor 4*12($inp),@x[12] |
| xor 4*13($inp),@x[13] |
| xor 4*14($inp),@x[14] |
| xor 4*15($inp),@x[15] |
| lea 4*16($inp),$inp # inp+=64 |
| pxor %xmm1,%xmm0 |
| |
| movdqa %xmm2,4*8(%rsp) |
| movd %xmm3,4*12(%rsp) |
| |
| mov @x[0],4*0($out) # write output |
| mov @x[1],4*1($out) |
| mov @x[2],4*2($out) |
| mov @x[3],4*3($out) |
| mov @x[4],4*4($out) |
| mov @x[5],4*5($out) |
| mov @x[6],4*6($out) |
| mov @x[7],4*7($out) |
| movdqu %xmm0,4*8($out) |
| mov @x[12],4*12($out) |
| mov @x[13],4*13($out) |
| mov @x[14],4*14($out) |
| mov @x[15],4*15($out) |
| lea 4*16($out),$out # out+=64 |
| |
| sub \$64,%rbp |
| jnz .Loop_outer |
| |
| jmp .Ldone |
| |
| .align 16 |
| .Ltail: |
| mov @x[0],4*0(%rsp) |
| mov @x[1],4*1(%rsp) |
| xor %rbx,%rbx |
| mov @x[2],4*2(%rsp) |
| mov @x[3],4*3(%rsp) |
| mov @x[4],4*4(%rsp) |
| mov @x[5],4*5(%rsp) |
| mov @x[6],4*6(%rsp) |
| mov @x[7],4*7(%rsp) |
| movdqa %xmm1,4*8(%rsp) |
| mov @x[12],4*12(%rsp) |
| mov @x[13],4*13(%rsp) |
| mov @x[14],4*14(%rsp) |
| mov @x[15],4*15(%rsp) |
| |
| .Loop_tail: |
| movzb ($inp,%rbx),%eax |
| movzb (%rsp,%rbx),%edx |
| lea 1(%rbx),%rbx |
| xor %edx,%eax |
| mov %al,-1($out,%rbx) |
| dec %rbp |
| jnz .Loop_tail |
| |
| .Ldone: |
| lea 64+24+48(%rsp),%rsi |
| mov -48(%rsi),%r15 |
| .cfi_restore r15 |
| mov -40(%rsi),%r14 |
| .cfi_restore r14 |
| mov -32(%rsi),%r13 |
| .cfi_restore r13 |
| mov -24(%rsi),%r12 |
| .cfi_restore r12 |
| mov -16(%rsi),%rbp |
| .cfi_restore rbp |
| mov -8(%rsi),%rbx |
| .cfi_restore rbx |
| lea (%rsi),%rsp |
| .cfi_adjust_cfa_offset `-64-24-48` |
| .Lno_data: |
| ret |
| .cfi_endproc |
| .size ChaCha20_ctr32,.-ChaCha20_ctr32 |
| ___ |
| |
| ######################################################################## |
| # SSSE3 code path that handles shorter lengths |
| { |
| my ($a,$b,$c,$d,$t,$t1,$rot16,$rot24)=map("%xmm$_",(0..7)); |
| |
| sub SSSE3ROUND { # critical path is 20 "SIMD ticks" per round |
| &paddd ($a,$b); |
| &pxor ($d,$a); |
| &pshufb ($d,$rot16); |
| |
| &paddd ($c,$d); |
| &pxor ($b,$c); |
| &movdqa ($t,$b); |
| &psrld ($b,20); |
| &pslld ($t,12); |
| &por ($b,$t); |
| |
| &paddd ($a,$b); |
| &pxor ($d,$a); |
| &pshufb ($d,$rot24); |
| |
| &paddd ($c,$d); |
| &pxor ($b,$c); |
| &movdqa ($t,$b); |
| &psrld ($b,25); |
| &pslld ($t,7); |
| &por ($b,$t); |
| } |
| |
| my $xframe = $win64 ? 32+8 : 8; |
| |
| $code.=<<___; |
| .type ChaCha20_ssse3,\@function,5 |
| .align 32 |
| ChaCha20_ssse3: |
| .LChaCha20_ssse3: |
| .cfi_startproc |
| mov %rsp,%r9 # frame pointer |
| .cfi_def_cfa_register r9 |
| ___ |
| $code.=<<___; |
| cmp \$128,$len # we might throw away some data, |
| ja .LChaCha20_4x # but overall it won't be slower |
| |
| .Ldo_sse3_after_all: |
| sub \$64+$xframe,%rsp |
| ___ |
| $code.=<<___ if ($win64); |
| movaps %xmm6,-0x28(%r9) |
| movaps %xmm7,-0x18(%r9) |
| .Lssse3_body: |
| ___ |
| $code.=<<___; |
| movdqa .Lsigma(%rip),$a |
| movdqu ($key),$b |
| movdqu 16($key),$c |
| movdqu ($counter),$d |
| movdqa .Lrot16(%rip),$rot16 |
| movdqa .Lrot24(%rip),$rot24 |
| |
| movdqa $a,0x00(%rsp) |
| movdqa $b,0x10(%rsp) |
| movdqa $c,0x20(%rsp) |
| movdqa $d,0x30(%rsp) |
| mov \$10,$counter # reuse $counter |
| jmp .Loop_ssse3 |
| |
| .align 32 |
| .Loop_outer_ssse3: |
| movdqa .Lone(%rip),$d |
| movdqa 0x00(%rsp),$a |
| movdqa 0x10(%rsp),$b |
| movdqa 0x20(%rsp),$c |
| paddd 0x30(%rsp),$d |
| mov \$10,$counter |
| movdqa $d,0x30(%rsp) |
| jmp .Loop_ssse3 |
| |
| .align 32 |
| .Loop_ssse3: |
| ___ |
| &SSSE3ROUND(); |
| &pshufd ($c,$c,0b01001110); |
| &pshufd ($b,$b,0b00111001); |
| &pshufd ($d,$d,0b10010011); |
| &nop (); |
| |
| &SSSE3ROUND(); |
| &pshufd ($c,$c,0b01001110); |
| &pshufd ($b,$b,0b10010011); |
| &pshufd ($d,$d,0b00111001); |
| |
| &dec ($counter); |
| &jnz (".Loop_ssse3"); |
| |
| $code.=<<___; |
| paddd 0x00(%rsp),$a |
| paddd 0x10(%rsp),$b |
| paddd 0x20(%rsp),$c |
| paddd 0x30(%rsp),$d |
| |
| cmp \$64,$len |
| jb .Ltail_ssse3 |
| |
| movdqu 0x00($inp),$t |
| movdqu 0x10($inp),$t1 |
| pxor $t,$a # xor with input |
| movdqu 0x20($inp),$t |
| pxor $t1,$b |
| movdqu 0x30($inp),$t1 |
| lea 0x40($inp),$inp # inp+=64 |
| pxor $t,$c |
| pxor $t1,$d |
| |
| movdqu $a,0x00($out) # write output |
| movdqu $b,0x10($out) |
| movdqu $c,0x20($out) |
| movdqu $d,0x30($out) |
| lea 0x40($out),$out # out+=64 |
| |
| sub \$64,$len |
| jnz .Loop_outer_ssse3 |
| |
| jmp .Ldone_ssse3 |
| |
| .align 16 |
| .Ltail_ssse3: |
| movdqa $a,0x00(%rsp) |
| movdqa $b,0x10(%rsp) |
| movdqa $c,0x20(%rsp) |
| movdqa $d,0x30(%rsp) |
| xor $counter,$counter |
| |
| .Loop_tail_ssse3: |
| movzb ($inp,$counter),%eax |
| movzb (%rsp,$counter),%ecx |
| lea 1($counter),$counter |
| xor %ecx,%eax |
| mov %al,-1($out,$counter) |
| dec $len |
| jnz .Loop_tail_ssse3 |
| |
| .Ldone_ssse3: |
| ___ |
| $code.=<<___ if ($win64); |
| movaps -0x28(%r9),%xmm6 |
| movaps -0x18(%r9),%xmm7 |
| ___ |
| $code.=<<___; |
| lea (%r9),%rsp |
| .cfi_def_cfa_register rsp |
| .Lssse3_epilogue: |
| ret |
| .cfi_endproc |
| .size ChaCha20_ssse3,.-ChaCha20_ssse3 |
| ___ |
| } |
| |
| ######################################################################## |
| # SSSE3 code path that handles longer messages. |
| { |
| # assign variables to favor Atom front-end |
| my ($xd0,$xd1,$xd2,$xd3, $xt0,$xt1,$xt2,$xt3, |
| $xa0,$xa1,$xa2,$xa3, $xb0,$xb1,$xb2,$xb3)=map("%xmm$_",(0..15)); |
| my @xx=($xa0,$xa1,$xa2,$xa3, $xb0,$xb1,$xb2,$xb3, |
| "%nox","%nox","%nox","%nox", $xd0,$xd1,$xd2,$xd3); |
| |
| sub SSSE3_lane_ROUND { |
| my ($a0,$b0,$c0,$d0)=@_; |
| my ($a1,$b1,$c1,$d1)=map(($_&~3)+(($_+1)&3),($a0,$b0,$c0,$d0)); |
| my ($a2,$b2,$c2,$d2)=map(($_&~3)+(($_+1)&3),($a1,$b1,$c1,$d1)); |
| my ($a3,$b3,$c3,$d3)=map(($_&~3)+(($_+1)&3),($a2,$b2,$c2,$d2)); |
| my ($xc,$xc_,$t0,$t1)=map("\"$_\"",$xt0,$xt1,$xt2,$xt3); |
| my @x=map("\"$_\"",@xx); |
| |
| # Consider order in which variables are addressed by their |
| # index: |
| # |
| # a b c d |
| # |
| # 0 4 8 12 < even round |
| # 1 5 9 13 |
| # 2 6 10 14 |
| # 3 7 11 15 |
| # 0 5 10 15 < odd round |
| # 1 6 11 12 |
| # 2 7 8 13 |
| # 3 4 9 14 |
| # |
| # 'a', 'b' and 'd's are permanently allocated in registers, |
| # @x[0..7,12..15], while 'c's are maintained in memory. If |
| # you observe 'c' column, you'll notice that pair of 'c's is |
| # invariant between rounds. This means that we have to reload |
| # them once per round, in the middle. This is why you'll see |
| # bunch of 'c' stores and loads in the middle, but none in |
| # the beginning or end. |
| |
| ( |
| "&paddd (@x[$a0],@x[$b0])", # Q1 |
| "&paddd (@x[$a1],@x[$b1])", # Q2 |
| "&pxor (@x[$d0],@x[$a0])", |
| "&pxor (@x[$d1],@x[$a1])", |
| "&pshufb (@x[$d0],$t1)", |
| "&pshufb (@x[$d1],$t1)", |
| |
| "&paddd ($xc,@x[$d0])", |
| "&paddd ($xc_,@x[$d1])", |
| "&pxor (@x[$b0],$xc)", |
| "&pxor (@x[$b1],$xc_)", |
| "&movdqa ($t0,@x[$b0])", |
| "&pslld (@x[$b0],12)", |
| "&psrld ($t0,20)", |
| "&movdqa ($t1,@x[$b1])", |
| "&pslld (@x[$b1],12)", |
| "&por (@x[$b0],$t0)", |
| "&psrld ($t1,20)", |
| "&movdqa ($t0,'(%r11)')", # .Lrot24(%rip) |
| "&por (@x[$b1],$t1)", |
| |
| "&paddd (@x[$a0],@x[$b0])", |
| "&paddd (@x[$a1],@x[$b1])", |
| "&pxor (@x[$d0],@x[$a0])", |
| "&pxor (@x[$d1],@x[$a1])", |
| "&pshufb (@x[$d0],$t0)", |
| "&pshufb (@x[$d1],$t0)", |
| |
| "&paddd ($xc,@x[$d0])", |
| "&paddd ($xc_,@x[$d1])", |
| "&pxor (@x[$b0],$xc)", |
| "&pxor (@x[$b1],$xc_)", |
| "&movdqa ($t1,@x[$b0])", |
| "&pslld (@x[$b0],7)", |
| "&psrld ($t1,25)", |
| "&movdqa ($t0,@x[$b1])", |
| "&pslld (@x[$b1],7)", |
| "&por (@x[$b0],$t1)", |
| "&psrld ($t0,25)", |
| "&movdqa ($t1,'(%r10)')", # .Lrot16(%rip) |
| "&por (@x[$b1],$t0)", |
| |
| "&movdqa (\"`16*($c0-8)`(%rsp)\",$xc)", # reload pair of 'c's |
| "&movdqa (\"`16*($c1-8)`(%rsp)\",$xc_)", |
| "&movdqa ($xc,\"`16*($c2-8)`(%rsp)\")", |
| "&movdqa ($xc_,\"`16*($c3-8)`(%rsp)\")", |
| |
| "&paddd (@x[$a2],@x[$b2])", # Q3 |
| "&paddd (@x[$a3],@x[$b3])", # Q4 |
| "&pxor (@x[$d2],@x[$a2])", |
| "&pxor (@x[$d3],@x[$a3])", |
| "&pshufb (@x[$d2],$t1)", |
| "&pshufb (@x[$d3],$t1)", |
| |
| "&paddd ($xc,@x[$d2])", |
| "&paddd ($xc_,@x[$d3])", |
| "&pxor (@x[$b2],$xc)", |
| "&pxor (@x[$b3],$xc_)", |
| "&movdqa ($t0,@x[$b2])", |
| "&pslld (@x[$b2],12)", |
| "&psrld ($t0,20)", |
| "&movdqa ($t1,@x[$b3])", |
| "&pslld (@x[$b3],12)", |
| "&por (@x[$b2],$t0)", |
| "&psrld ($t1,20)", |
| "&movdqa ($t0,'(%r11)')", # .Lrot24(%rip) |
| "&por (@x[$b3],$t1)", |
| |
| "&paddd (@x[$a2],@x[$b2])", |
| "&paddd (@x[$a3],@x[$b3])", |
| "&pxor (@x[$d2],@x[$a2])", |
| "&pxor (@x[$d3],@x[$a3])", |
| "&pshufb (@x[$d2],$t0)", |
| "&pshufb (@x[$d3],$t0)", |
| |
| "&paddd ($xc,@x[$d2])", |
| "&paddd ($xc_,@x[$d3])", |
| "&pxor (@x[$b2],$xc)", |
| "&pxor (@x[$b3],$xc_)", |
| "&movdqa ($t1,@x[$b2])", |
| "&pslld (@x[$b2],7)", |
| "&psrld ($t1,25)", |
| "&movdqa ($t0,@x[$b3])", |
| "&pslld (@x[$b3],7)", |
| "&por (@x[$b2],$t1)", |
| "&psrld ($t0,25)", |
| "&movdqa ($t1,'(%r10)')", # .Lrot16(%rip) |
| "&por (@x[$b3],$t0)" |
| ); |
| } |
| |
| my $xframe = $win64 ? 0xa8 : 8; |
| |
| $code.=<<___; |
| .type ChaCha20_4x,\@function,5 |
| .align 32 |
| ChaCha20_4x: |
| .LChaCha20_4x: |
| .cfi_startproc |
| mov %rsp,%r9 # frame pointer |
| .cfi_def_cfa_register r9 |
| mov %r10,%r11 |
| ___ |
| $code.=<<___ if ($avx>1); |
| shr \$32,%r10 # OPENSSL_ia32cap_P+8 |
| test \$`1<<5`,%r10 # test AVX2 |
| jnz .LChaCha20_8x |
| ___ |
| $code.=<<___; |
| cmp \$192,$len |
| ja .Lproceed4x |
| |
| and \$`1<<26|1<<22`,%r11 # isolate XSAVE+MOVBE |
| cmp \$`1<<22`,%r11 # check for MOVBE without XSAVE |
| je .Ldo_sse3_after_all # to detect Atom |
| |
| .Lproceed4x: |
| sub \$0x140+$xframe,%rsp |
| ___ |
| ################ stack layout |
| # +0x00 SIMD equivalent of @x[8-12] |
| # ... |
| # +0x40 constant copy of key[0-2] smashed by lanes |
| # ... |
| # +0x100 SIMD counters (with nonce smashed by lanes) |
| # ... |
| # +0x140 |
| $code.=<<___ if ($win64); |
| movaps %xmm6,-0xa8(%r9) |
| movaps %xmm7,-0x98(%r9) |
| movaps %xmm8,-0x88(%r9) |
| movaps %xmm9,-0x78(%r9) |
| movaps %xmm10,-0x68(%r9) |
| movaps %xmm11,-0x58(%r9) |
| movaps %xmm12,-0x48(%r9) |
| movaps %xmm13,-0x38(%r9) |
| movaps %xmm14,-0x28(%r9) |
| movaps %xmm15,-0x18(%r9) |
| .L4x_body: |
| ___ |
| $code.=<<___; |
| movdqa .Lsigma(%rip),$xa3 # key[0] |
| movdqu ($key),$xb3 # key[1] |
| movdqu 16($key),$xt3 # key[2] |
| movdqu ($counter),$xd3 # key[3] |
| lea 0x100(%rsp),%rcx # size optimization |
| lea .Lrot16(%rip),%r10 |
| lea .Lrot24(%rip),%r11 |
| |
| pshufd \$0x00,$xa3,$xa0 # smash key by lanes... |
| pshufd \$0x55,$xa3,$xa1 |
| movdqa $xa0,0x40(%rsp) # ... and offload |
| pshufd \$0xaa,$xa3,$xa2 |
| movdqa $xa1,0x50(%rsp) |
| pshufd \$0xff,$xa3,$xa3 |
| movdqa $xa2,0x60(%rsp) |
| movdqa $xa3,0x70(%rsp) |
| |
| pshufd \$0x00,$xb3,$xb0 |
| pshufd \$0x55,$xb3,$xb1 |
| movdqa $xb0,0x80-0x100(%rcx) |
| pshufd \$0xaa,$xb3,$xb2 |
| movdqa $xb1,0x90-0x100(%rcx) |
| pshufd \$0xff,$xb3,$xb3 |
| movdqa $xb2,0xa0-0x100(%rcx) |
| movdqa $xb3,0xb0-0x100(%rcx) |
| |
| pshufd \$0x00,$xt3,$xt0 # "$xc0" |
| pshufd \$0x55,$xt3,$xt1 # "$xc1" |
| movdqa $xt0,0xc0-0x100(%rcx) |
| pshufd \$0xaa,$xt3,$xt2 # "$xc2" |
| movdqa $xt1,0xd0-0x100(%rcx) |
| pshufd \$0xff,$xt3,$xt3 # "$xc3" |
| movdqa $xt2,0xe0-0x100(%rcx) |
| movdqa $xt3,0xf0-0x100(%rcx) |
| |
| pshufd \$0x00,$xd3,$xd0 |
| pshufd \$0x55,$xd3,$xd1 |
| paddd .Linc(%rip),$xd0 # don't save counters yet |
| pshufd \$0xaa,$xd3,$xd2 |
| movdqa $xd1,0x110-0x100(%rcx) |
| pshufd \$0xff,$xd3,$xd3 |
| movdqa $xd2,0x120-0x100(%rcx) |
| movdqa $xd3,0x130-0x100(%rcx) |
| |
| jmp .Loop_enter4x |
| |
| .align 32 |
| .Loop_outer4x: |
| movdqa 0x40(%rsp),$xa0 # re-load smashed key |
| movdqa 0x50(%rsp),$xa1 |
| movdqa 0x60(%rsp),$xa2 |
| movdqa 0x70(%rsp),$xa3 |
| movdqa 0x80-0x100(%rcx),$xb0 |
| movdqa 0x90-0x100(%rcx),$xb1 |
| movdqa 0xa0-0x100(%rcx),$xb2 |
| movdqa 0xb0-0x100(%rcx),$xb3 |
| movdqa 0xc0-0x100(%rcx),$xt0 # "$xc0" |
| movdqa 0xd0-0x100(%rcx),$xt1 # "$xc1" |
| movdqa 0xe0-0x100(%rcx),$xt2 # "$xc2" |
| movdqa 0xf0-0x100(%rcx),$xt3 # "$xc3" |
| movdqa 0x100-0x100(%rcx),$xd0 |
| movdqa 0x110-0x100(%rcx),$xd1 |
| movdqa 0x120-0x100(%rcx),$xd2 |
| movdqa 0x130-0x100(%rcx),$xd3 |
| paddd .Lfour(%rip),$xd0 # next SIMD counters |
| |
| .Loop_enter4x: |
| movdqa $xt2,0x20(%rsp) # SIMD equivalent of "@x[10]" |
| movdqa $xt3,0x30(%rsp) # SIMD equivalent of "@x[11]" |
| movdqa (%r10),$xt3 # .Lrot16(%rip) |
| mov \$10,%eax |
| movdqa $xd0,0x100-0x100(%rcx) # save SIMD counters |
| jmp .Loop4x |
| |
| .align 32 |
| .Loop4x: |
| ___ |
| foreach (&SSSE3_lane_ROUND(0, 4, 8,12)) { eval; } |
| foreach (&SSSE3_lane_ROUND(0, 5,10,15)) { eval; } |
| $code.=<<___; |
| dec %eax |
| jnz .Loop4x |
| |
| paddd 0x40(%rsp),$xa0 # accumulate key material |
| paddd 0x50(%rsp),$xa1 |
| paddd 0x60(%rsp),$xa2 |
| paddd 0x70(%rsp),$xa3 |
| |
| movdqa $xa0,$xt2 # "de-interlace" data |
| punpckldq $xa1,$xa0 |
| movdqa $xa2,$xt3 |
| punpckldq $xa3,$xa2 |
| punpckhdq $xa1,$xt2 |
| punpckhdq $xa3,$xt3 |
| movdqa $xa0,$xa1 |
| punpcklqdq $xa2,$xa0 # "a0" |
| movdqa $xt2,$xa3 |
| punpcklqdq $xt3,$xt2 # "a2" |
| punpckhqdq $xa2,$xa1 # "a1" |
| punpckhqdq $xt3,$xa3 # "a3" |
| ___ |
| ($xa2,$xt2)=($xt2,$xa2); |
| $code.=<<___; |
| paddd 0x80-0x100(%rcx),$xb0 |
| paddd 0x90-0x100(%rcx),$xb1 |
| paddd 0xa0-0x100(%rcx),$xb2 |
| paddd 0xb0-0x100(%rcx),$xb3 |
| |
| movdqa $xa0,0x00(%rsp) # offload $xaN |
| movdqa $xa1,0x10(%rsp) |
| movdqa 0x20(%rsp),$xa0 # "xc2" |
| movdqa 0x30(%rsp),$xa1 # "xc3" |
| |
| movdqa $xb0,$xt2 |
| punpckldq $xb1,$xb0 |
| movdqa $xb2,$xt3 |
| punpckldq $xb3,$xb2 |
| punpckhdq $xb1,$xt2 |
| punpckhdq $xb3,$xt3 |
| movdqa $xb0,$xb1 |
| punpcklqdq $xb2,$xb0 # "b0" |
| movdqa $xt2,$xb3 |
| punpcklqdq $xt3,$xt2 # "b2" |
| punpckhqdq $xb2,$xb1 # "b1" |
| punpckhqdq $xt3,$xb3 # "b3" |
| ___ |
| ($xb2,$xt2)=($xt2,$xb2); |
| my ($xc0,$xc1,$xc2,$xc3)=($xt0,$xt1,$xa0,$xa1); |
| $code.=<<___; |
| paddd 0xc0-0x100(%rcx),$xc0 |
| paddd 0xd0-0x100(%rcx),$xc1 |
| paddd 0xe0-0x100(%rcx),$xc2 |
| paddd 0xf0-0x100(%rcx),$xc3 |
| |
| movdqa $xa2,0x20(%rsp) # keep offloading $xaN |
| movdqa $xa3,0x30(%rsp) |
| |
| movdqa $xc0,$xt2 |
| punpckldq $xc1,$xc0 |
| movdqa $xc2,$xt3 |
| punpckldq $xc3,$xc2 |
| punpckhdq $xc1,$xt2 |
| punpckhdq $xc3,$xt3 |
| movdqa $xc0,$xc1 |
| punpcklqdq $xc2,$xc0 # "c0" |
| movdqa $xt2,$xc3 |
| punpcklqdq $xt3,$xt2 # "c2" |
| punpckhqdq $xc2,$xc1 # "c1" |
| punpckhqdq $xt3,$xc3 # "c3" |
| ___ |
| ($xc2,$xt2)=($xt2,$xc2); |
| ($xt0,$xt1)=($xa2,$xa3); # use $xaN as temporary |
| $code.=<<___; |
| paddd 0x100-0x100(%rcx),$xd0 |
| paddd 0x110-0x100(%rcx),$xd1 |
| paddd 0x120-0x100(%rcx),$xd2 |
| paddd 0x130-0x100(%rcx),$xd3 |
| |
| movdqa $xd0,$xt2 |
| punpckldq $xd1,$xd0 |
| movdqa $xd2,$xt3 |
| punpckldq $xd3,$xd2 |
| punpckhdq $xd1,$xt2 |
| punpckhdq $xd3,$xt3 |
| movdqa $xd0,$xd1 |
| punpcklqdq $xd2,$xd0 # "d0" |
| movdqa $xt2,$xd3 |
| punpcklqdq $xt3,$xt2 # "d2" |
| punpckhqdq $xd2,$xd1 # "d1" |
| punpckhqdq $xt3,$xd3 # "d3" |
| ___ |
| ($xd2,$xt2)=($xt2,$xd2); |
| $code.=<<___; |
| cmp \$64*4,$len |
| jb .Ltail4x |
| |
| movdqu 0x00($inp),$xt0 # xor with input |
| movdqu 0x10($inp),$xt1 |
| movdqu 0x20($inp),$xt2 |
| movdqu 0x30($inp),$xt3 |
| pxor 0x00(%rsp),$xt0 # $xaN is offloaded, remember? |
| pxor $xb0,$xt1 |
| pxor $xc0,$xt2 |
| pxor $xd0,$xt3 |
| |
| movdqu $xt0,0x00($out) |
| movdqu 0x40($inp),$xt0 |
| movdqu $xt1,0x10($out) |
| movdqu 0x50($inp),$xt1 |
| movdqu $xt2,0x20($out) |
| movdqu 0x60($inp),$xt2 |
| movdqu $xt3,0x30($out) |
| movdqu 0x70($inp),$xt3 |
| lea 0x80($inp),$inp # size optimization |
| pxor 0x10(%rsp),$xt0 |
| pxor $xb1,$xt1 |
| pxor $xc1,$xt2 |
| pxor $xd1,$xt3 |
| |
| movdqu $xt0,0x40($out) |
| movdqu 0x00($inp),$xt0 |
| movdqu $xt1,0x50($out) |
| movdqu 0x10($inp),$xt1 |
| movdqu $xt2,0x60($out) |
| movdqu 0x20($inp),$xt2 |
| movdqu $xt3,0x70($out) |
| lea 0x80($out),$out # size optimization |
| movdqu 0x30($inp),$xt3 |
| pxor 0x20(%rsp),$xt0 |
| pxor $xb2,$xt1 |
| pxor $xc2,$xt2 |
| pxor $xd2,$xt3 |
| |
| movdqu $xt0,0x00($out) |
| movdqu 0x40($inp),$xt0 |
| movdqu $xt1,0x10($out) |
| movdqu 0x50($inp),$xt1 |
| movdqu $xt2,0x20($out) |
| movdqu 0x60($inp),$xt2 |
| movdqu $xt3,0x30($out) |
| movdqu 0x70($inp),$xt3 |
| lea 0x80($inp),$inp # inp+=64*4 |
| pxor 0x30(%rsp),$xt0 |
| pxor $xb3,$xt1 |
| pxor $xc3,$xt2 |
| pxor $xd3,$xt3 |
| movdqu $xt0,0x40($out) |
| movdqu $xt1,0x50($out) |
| movdqu $xt2,0x60($out) |
| movdqu $xt3,0x70($out) |
| lea 0x80($out),$out # out+=64*4 |
| |
| sub \$64*4,$len |
| jnz .Loop_outer4x |
| |
| jmp .Ldone4x |
| |
| .Ltail4x: |
| cmp \$192,$len |
| jae .L192_or_more4x |
| cmp \$128,$len |
| jae .L128_or_more4x |
| cmp \$64,$len |
| jae .L64_or_more4x |
| |
| #movdqa 0x00(%rsp),$xt0 # $xaN is offloaded, remember? |
| xor %r10,%r10 |
| #movdqa $xt0,0x00(%rsp) |
| movdqa $xb0,0x10(%rsp) |
| movdqa $xc0,0x20(%rsp) |
| movdqa $xd0,0x30(%rsp) |
| jmp .Loop_tail4x |
| |
| .align 32 |
| .L64_or_more4x: |
| movdqu 0x00($inp),$xt0 # xor with input |
| movdqu 0x10($inp),$xt1 |
| movdqu 0x20($inp),$xt2 |
| movdqu 0x30($inp),$xt3 |
| pxor 0x00(%rsp),$xt0 # $xaxN is offloaded, remember? |
| pxor $xb0,$xt1 |
| pxor $xc0,$xt2 |
| pxor $xd0,$xt3 |
| movdqu $xt0,0x00($out) |
| movdqu $xt1,0x10($out) |
| movdqu $xt2,0x20($out) |
| movdqu $xt3,0x30($out) |
| je .Ldone4x |
| |
| movdqa 0x10(%rsp),$xt0 # $xaN is offloaded, remember? |
| lea 0x40($inp),$inp # inp+=64*1 |
| xor %r10,%r10 |
| movdqa $xt0,0x00(%rsp) |
| movdqa $xb1,0x10(%rsp) |
| lea 0x40($out),$out # out+=64*1 |
| movdqa $xc1,0x20(%rsp) |
| sub \$64,$len # len-=64*1 |
| movdqa $xd1,0x30(%rsp) |
| jmp .Loop_tail4x |
| |
| .align 32 |
| .L128_or_more4x: |
| movdqu 0x00($inp),$xt0 # xor with input |
| movdqu 0x10($inp),$xt1 |
| movdqu 0x20($inp),$xt2 |
| movdqu 0x30($inp),$xt3 |
| pxor 0x00(%rsp),$xt0 # $xaN is offloaded, remember? |
| pxor $xb0,$xt1 |
| pxor $xc0,$xt2 |
| pxor $xd0,$xt3 |
| |
| movdqu $xt0,0x00($out) |
| movdqu 0x40($inp),$xt0 |
| movdqu $xt1,0x10($out) |
| movdqu 0x50($inp),$xt1 |
| movdqu $xt2,0x20($out) |
| movdqu 0x60($inp),$xt2 |
| movdqu $xt3,0x30($out) |
| movdqu 0x70($inp),$xt3 |
| pxor 0x10(%rsp),$xt0 |
| pxor $xb1,$xt1 |
| pxor $xc1,$xt2 |
| pxor $xd1,$xt3 |
| movdqu $xt0,0x40($out) |
| movdqu $xt1,0x50($out) |
| movdqu $xt2,0x60($out) |
| movdqu $xt3,0x70($out) |
| je .Ldone4x |
| |
| movdqa 0x20(%rsp),$xt0 # $xaN is offloaded, remember? |
| lea 0x80($inp),$inp # inp+=64*2 |
| xor %r10,%r10 |
| movdqa $xt0,0x00(%rsp) |
| movdqa $xb2,0x10(%rsp) |
| lea 0x80($out),$out # out+=64*2 |
| movdqa $xc2,0x20(%rsp) |
| sub \$128,$len # len-=64*2 |
| movdqa $xd2,0x30(%rsp) |
| jmp .Loop_tail4x |
| |
| .align 32 |
| .L192_or_more4x: |
| movdqu 0x00($inp),$xt0 # xor with input |
| movdqu 0x10($inp),$xt1 |
| movdqu 0x20($inp),$xt2 |
| movdqu 0x30($inp),$xt3 |
| pxor 0x00(%rsp),$xt0 # $xaN is offloaded, remember? |
| pxor $xb0,$xt1 |
| pxor $xc0,$xt2 |
| pxor $xd0,$xt3 |
| |
| movdqu $xt0,0x00($out) |
| movdqu 0x40($inp),$xt0 |
| movdqu $xt1,0x10($out) |
| movdqu 0x50($inp),$xt1 |
| movdqu $xt2,0x20($out) |
| movdqu 0x60($inp),$xt2 |
| movdqu $xt3,0x30($out) |
| movdqu 0x70($inp),$xt3 |
| lea 0x80($inp),$inp # size optimization |
| pxor 0x10(%rsp),$xt0 |
| pxor $xb1,$xt1 |
| pxor $xc1,$xt2 |
| pxor $xd1,$xt3 |
| |
| movdqu $xt0,0x40($out) |
| movdqu 0x00($inp),$xt0 |
| movdqu $xt1,0x50($out) |
| movdqu 0x10($inp),$xt1 |
| movdqu $xt2,0x60($out) |
| movdqu 0x20($inp),$xt2 |
| movdqu $xt3,0x70($out) |
| lea 0x80($out),$out # size optimization |
| movdqu 0x30($inp),$xt3 |
| pxor 0x20(%rsp),$xt0 |
| pxor $xb2,$xt1 |
| pxor $xc2,$xt2 |
| pxor $xd2,$xt3 |
| movdqu $xt0,0x00($out) |
| movdqu $xt1,0x10($out) |
| movdqu $xt2,0x20($out) |
| movdqu $xt3,0x30($out) |
| je .Ldone4x |
| |
| movdqa 0x30(%rsp),$xt0 # $xaN is offloaded, remember? |
| lea 0x40($inp),$inp # inp+=64*3 |
| xor %r10,%r10 |
| movdqa $xt0,0x00(%rsp) |
| movdqa $xb3,0x10(%rsp) |
| lea 0x40($out),$out # out+=64*3 |
| movdqa $xc3,0x20(%rsp) |
| sub \$192,$len # len-=64*3 |
| movdqa $xd3,0x30(%rsp) |
| |
| .Loop_tail4x: |
| movzb ($inp,%r10),%eax |
| movzb (%rsp,%r10),%ecx |
| lea 1(%r10),%r10 |
| xor %ecx,%eax |
| mov %al,-1($out,%r10) |
| dec $len |
| jnz .Loop_tail4x |
| |
| .Ldone4x: |
| ___ |
| $code.=<<___ if ($win64); |
| movaps -0xa8(%r9),%xmm6 |
| movaps -0x98(%r9),%xmm7 |
| movaps -0x88(%r9),%xmm8 |
| movaps -0x78(%r9),%xmm9 |
| movaps -0x68(%r9),%xmm10 |
| movaps -0x58(%r9),%xmm11 |
| movaps -0x48(%r9),%xmm12 |
| movaps -0x38(%r9),%xmm13 |
| movaps -0x28(%r9),%xmm14 |
| movaps -0x18(%r9),%xmm15 |
| ___ |
| $code.=<<___; |
| lea (%r9),%rsp |
| .cfi_def_cfa_register rsp |
| .L4x_epilogue: |
| ret |
| .cfi_endproc |
| .size ChaCha20_4x,.-ChaCha20_4x |
| ___ |
| } |
| |
| ######################################################################## |
| # AVX2 code path |
| if ($avx>1) { |
| my ($xb0,$xb1,$xb2,$xb3, $xd0,$xd1,$xd2,$xd3, |
| $xa0,$xa1,$xa2,$xa3, $xt0,$xt1,$xt2,$xt3)=map("%ymm$_",(0..15)); |
| my @xx=($xa0,$xa1,$xa2,$xa3, $xb0,$xb1,$xb2,$xb3, |
| "%nox","%nox","%nox","%nox", $xd0,$xd1,$xd2,$xd3); |
| |
| sub AVX2_lane_ROUND { |
| my ($a0,$b0,$c0,$d0)=@_; |
| my ($a1,$b1,$c1,$d1)=map(($_&~3)+(($_+1)&3),($a0,$b0,$c0,$d0)); |
| my ($a2,$b2,$c2,$d2)=map(($_&~3)+(($_+1)&3),($a1,$b1,$c1,$d1)); |
| my ($a3,$b3,$c3,$d3)=map(($_&~3)+(($_+1)&3),($a2,$b2,$c2,$d2)); |
| my ($xc,$xc_,$t0,$t1)=map("\"$_\"",$xt0,$xt1,$xt2,$xt3); |
| my @x=map("\"$_\"",@xx); |
| |
| # Consider order in which variables are addressed by their |
| # index: |
| # |
| # a b c d |
| # |
| # 0 4 8 12 < even round |
| # 1 5 9 13 |
| # 2 6 10 14 |
| # 3 7 11 15 |
| # 0 5 10 15 < odd round |
| # 1 6 11 12 |
| # 2 7 8 13 |
| # 3 4 9 14 |
| # |
| # 'a', 'b' and 'd's are permanently allocated in registers, |
| # @x[0..7,12..15], while 'c's are maintained in memory. If |
| # you observe 'c' column, you'll notice that pair of 'c's is |
| # invariant between rounds. This means that we have to reload |
| # them once per round, in the middle. This is why you'll see |
| # bunch of 'c' stores and loads in the middle, but none in |
| # the beginning or end. |
| |
| ( |
| "&vpaddd (@x[$a0],@x[$a0],@x[$b0])", # Q1 |
| "&vpxor (@x[$d0],@x[$a0],@x[$d0])", |
| "&vpshufb (@x[$d0],@x[$d0],$t1)", |
| "&vpaddd (@x[$a1],@x[$a1],@x[$b1])", # Q2 |
| "&vpxor (@x[$d1],@x[$a1],@x[$d1])", |
| "&vpshufb (@x[$d1],@x[$d1],$t1)", |
| |
| "&vpaddd ($xc,$xc,@x[$d0])", |
| "&vpxor (@x[$b0],$xc,@x[$b0])", |
| "&vpslld ($t0,@x[$b0],12)", |
| "&vpsrld (@x[$b0],@x[$b0],20)", |
| "&vpor (@x[$b0],$t0,@x[$b0])", |
| "&vbroadcasti128($t0,'(%r11)')", # .Lrot24(%rip) |
| "&vpaddd ($xc_,$xc_,@x[$d1])", |
| "&vpxor (@x[$b1],$xc_,@x[$b1])", |
| "&vpslld ($t1,@x[$b1],12)", |
| "&vpsrld (@x[$b1],@x[$b1],20)", |
| "&vpor (@x[$b1],$t1,@x[$b1])", |
| |
| "&vpaddd (@x[$a0],@x[$a0],@x[$b0])", |
| "&vpxor (@x[$d0],@x[$a0],@x[$d0])", |
| "&vpshufb (@x[$d0],@x[$d0],$t0)", |
| "&vpaddd (@x[$a1],@x[$a1],@x[$b1])", |
| "&vpxor (@x[$d1],@x[$a1],@x[$d1])", |
| "&vpshufb (@x[$d1],@x[$d1],$t0)", |
| |
| "&vpaddd ($xc,$xc,@x[$d0])", |
| "&vpxor (@x[$b0],$xc,@x[$b0])", |
| "&vpslld ($t1,@x[$b0],7)", |
| "&vpsrld (@x[$b0],@x[$b0],25)", |
| "&vpor (@x[$b0],$t1,@x[$b0])", |
| "&vbroadcasti128($t1,'(%r10)')", # .Lrot16(%rip) |
| "&vpaddd ($xc_,$xc_,@x[$d1])", |
| "&vpxor (@x[$b1],$xc_,@x[$b1])", |
| "&vpslld ($t0,@x[$b1],7)", |
| "&vpsrld (@x[$b1],@x[$b1],25)", |
| "&vpor (@x[$b1],$t0,@x[$b1])", |
| |
| "&vmovdqa (\"`32*($c0-8)`(%rsp)\",$xc)", # reload pair of 'c's |
| "&vmovdqa (\"`32*($c1-8)`(%rsp)\",$xc_)", |
| "&vmovdqa ($xc,\"`32*($c2-8)`(%rsp)\")", |
| "&vmovdqa ($xc_,\"`32*($c3-8)`(%rsp)\")", |
| |
| "&vpaddd (@x[$a2],@x[$a2],@x[$b2])", # Q3 |
| "&vpxor (@x[$d2],@x[$a2],@x[$d2])", |
| "&vpshufb (@x[$d2],@x[$d2],$t1)", |
| "&vpaddd (@x[$a3],@x[$a3],@x[$b3])", # Q4 |
| "&vpxor (@x[$d3],@x[$a3],@x[$d3])", |
| "&vpshufb (@x[$d3],@x[$d3],$t1)", |
| |
| "&vpaddd ($xc,$xc,@x[$d2])", |
| "&vpxor (@x[$b2],$xc,@x[$b2])", |
| "&vpslld ($t0,@x[$b2],12)", |
| "&vpsrld (@x[$b2],@x[$b2],20)", |
| "&vpor (@x[$b2],$t0,@x[$b2])", |
| "&vbroadcasti128($t0,'(%r11)')", # .Lrot24(%rip) |
| "&vpaddd ($xc_,$xc_,@x[$d3])", |
| "&vpxor (@x[$b3],$xc_,@x[$b3])", |
| "&vpslld ($t1,@x[$b3],12)", |
| "&vpsrld (@x[$b3],@x[$b3],20)", |
| "&vpor (@x[$b3],$t1,@x[$b3])", |
| |
| "&vpaddd (@x[$a2],@x[$a2],@x[$b2])", |
| "&vpxor (@x[$d2],@x[$a2],@x[$d2])", |
| "&vpshufb (@x[$d2],@x[$d2],$t0)", |
| "&vpaddd (@x[$a3],@x[$a3],@x[$b3])", |
| "&vpxor (@x[$d3],@x[$a3],@x[$d3])", |
| "&vpshufb (@x[$d3],@x[$d3],$t0)", |
| |
| "&vpaddd ($xc,$xc,@x[$d2])", |
| "&vpxor (@x[$b2],$xc,@x[$b2])", |
| "&vpslld ($t1,@x[$b2],7)", |
| "&vpsrld (@x[$b2],@x[$b2],25)", |
| "&vpor (@x[$b2],$t1,@x[$b2])", |
| "&vbroadcasti128($t1,'(%r10)')", # .Lrot16(%rip) |
| "&vpaddd ($xc_,$xc_,@x[$d3])", |
| "&vpxor (@x[$b3],$xc_,@x[$b3])", |
| "&vpslld ($t0,@x[$b3],7)", |
| "&vpsrld (@x[$b3],@x[$b3],25)", |
| "&vpor (@x[$b3],$t0,@x[$b3])" |
| ); |
| } |
| |
| my $xframe = $win64 ? 0xa8 : 8; |
| |
| $code.=<<___; |
| .type ChaCha20_8x,\@function,5 |
| .align 32 |
| ChaCha20_8x: |
| .LChaCha20_8x: |
| .cfi_startproc |
| mov %rsp,%r9 # frame register |
| .cfi_def_cfa_register r9 |
| sub \$0x280+$xframe,%rsp |
| and \$-32,%rsp |
| ___ |
| $code.=<<___ if ($win64); |
| movaps %xmm6,-0xa8(%r9) |
| movaps %xmm7,-0x98(%r9) |
| movaps %xmm8,-0x88(%r9) |
| movaps %xmm9,-0x78(%r9) |
| movaps %xmm10,-0x68(%r9) |
| movaps %xmm11,-0x58(%r9) |
| movaps %xmm12,-0x48(%r9) |
| movaps %xmm13,-0x38(%r9) |
| movaps %xmm14,-0x28(%r9) |
| movaps %xmm15,-0x18(%r9) |
| .L8x_body: |
| ___ |
| $code.=<<___; |
| vzeroupper |
| |
| ################ stack layout |
| # +0x00 SIMD equivalent of @x[8-12] |
| # ... |
| # +0x80 constant copy of key[0-2] smashed by lanes |
| # ... |
| # +0x200 SIMD counters (with nonce smashed by lanes) |
| # ... |
| # +0x280 |
| |
| vbroadcasti128 .Lsigma(%rip),$xa3 # key[0] |
| vbroadcasti128 ($key),$xb3 # key[1] |
| vbroadcasti128 16($key),$xt3 # key[2] |
| vbroadcasti128 ($counter),$xd3 # key[3] |
| lea 0x100(%rsp),%rcx # size optimization |
| lea 0x200(%rsp),%rax # size optimization |
| lea .Lrot16(%rip),%r10 |
| lea .Lrot24(%rip),%r11 |
| |
| vpshufd \$0x00,$xa3,$xa0 # smash key by lanes... |
| vpshufd \$0x55,$xa3,$xa1 |
| vmovdqa $xa0,0x80-0x100(%rcx) # ... and offload |
| vpshufd \$0xaa,$xa3,$xa2 |
| vmovdqa $xa1,0xa0-0x100(%rcx) |
| vpshufd \$0xff,$xa3,$xa3 |
| vmovdqa $xa2,0xc0-0x100(%rcx) |
| vmovdqa $xa3,0xe0-0x100(%rcx) |
| |
| vpshufd \$0x00,$xb3,$xb0 |
| vpshufd \$0x55,$xb3,$xb1 |
| vmovdqa $xb0,0x100-0x100(%rcx) |
| vpshufd \$0xaa,$xb3,$xb2 |
| vmovdqa $xb1,0x120-0x100(%rcx) |
| vpshufd \$0xff,$xb3,$xb3 |
| vmovdqa $xb2,0x140-0x100(%rcx) |
| vmovdqa $xb3,0x160-0x100(%rcx) |
| |
| vpshufd \$0x00,$xt3,$xt0 # "xc0" |
| vpshufd \$0x55,$xt3,$xt1 # "xc1" |
| vmovdqa $xt0,0x180-0x200(%rax) |
| vpshufd \$0xaa,$xt3,$xt2 # "xc2" |
| vmovdqa $xt1,0x1a0-0x200(%rax) |
| vpshufd \$0xff,$xt3,$xt3 # "xc3" |
| vmovdqa $xt2,0x1c0-0x200(%rax) |
| vmovdqa $xt3,0x1e0-0x200(%rax) |
| |
| vpshufd \$0x00,$xd3,$xd0 |
| vpshufd \$0x55,$xd3,$xd1 |
| vpaddd .Lincy(%rip),$xd0,$xd0 # don't save counters yet |
| vpshufd \$0xaa,$xd3,$xd2 |
| vmovdqa $xd1,0x220-0x200(%rax) |
| vpshufd \$0xff,$xd3,$xd3 |
| vmovdqa $xd2,0x240-0x200(%rax) |
| vmovdqa $xd3,0x260-0x200(%rax) |
| |
| jmp .Loop_enter8x |
| |
| .align 32 |
| .Loop_outer8x: |
| vmovdqa 0x80-0x100(%rcx),$xa0 # re-load smashed key |
| vmovdqa 0xa0-0x100(%rcx),$xa1 |
| vmovdqa 0xc0-0x100(%rcx),$xa2 |
| vmovdqa 0xe0-0x100(%rcx),$xa3 |
| vmovdqa 0x100-0x100(%rcx),$xb0 |
| vmovdqa 0x120-0x100(%rcx),$xb1 |
| vmovdqa 0x140-0x100(%rcx),$xb2 |
| vmovdqa 0x160-0x100(%rcx),$xb3 |
| vmovdqa 0x180-0x200(%rax),$xt0 # "xc0" |
| vmovdqa 0x1a0-0x200(%rax),$xt1 # "xc1" |
| vmovdqa 0x1c0-0x200(%rax),$xt2 # "xc2" |
| vmovdqa 0x1e0-0x200(%rax),$xt3 # "xc3" |
| vmovdqa 0x200-0x200(%rax),$xd0 |
| vmovdqa 0x220-0x200(%rax),$xd1 |
| vmovdqa 0x240-0x200(%rax),$xd2 |
| vmovdqa 0x260-0x200(%rax),$xd3 |
| vpaddd .Leight(%rip),$xd0,$xd0 # next SIMD counters |
| |
| .Loop_enter8x: |
| vmovdqa $xt2,0x40(%rsp) # SIMD equivalent of "@x[10]" |
| vmovdqa $xt3,0x60(%rsp) # SIMD equivalent of "@x[11]" |
| vbroadcasti128 (%r10),$xt3 |
| vmovdqa $xd0,0x200-0x200(%rax) # save SIMD counters |
| mov \$10,%eax |
| jmp .Loop8x |
| |
| .align 32 |
| .Loop8x: |
| ___ |
| foreach (&AVX2_lane_ROUND(0, 4, 8,12)) { eval; } |
| foreach (&AVX2_lane_ROUND(0, 5,10,15)) { eval; } |
| $code.=<<___; |
| dec %eax |
| jnz .Loop8x |
| |
| lea 0x200(%rsp),%rax # size optimization |
| vpaddd 0x80-0x100(%rcx),$xa0,$xa0 # accumulate key |
| vpaddd 0xa0-0x100(%rcx),$xa1,$xa1 |
| vpaddd 0xc0-0x100(%rcx),$xa2,$xa2 |
| vpaddd 0xe0-0x100(%rcx),$xa3,$xa3 |
| |
| vpunpckldq $xa1,$xa0,$xt2 # "de-interlace" data |
| vpunpckldq $xa3,$xa2,$xt3 |
| vpunpckhdq $xa1,$xa0,$xa0 |
| vpunpckhdq $xa3,$xa2,$xa2 |
| vpunpcklqdq $xt3,$xt2,$xa1 # "a0" |
| vpunpckhqdq $xt3,$xt2,$xt2 # "a1" |
| vpunpcklqdq $xa2,$xa0,$xa3 # "a2" |
| vpunpckhqdq $xa2,$xa0,$xa0 # "a3" |
| ___ |
| ($xa0,$xa1,$xa2,$xa3,$xt2)=($xa1,$xt2,$xa3,$xa0,$xa2); |
| $code.=<<___; |
| vpaddd 0x100-0x100(%rcx),$xb0,$xb0 |
| vpaddd 0x120-0x100(%rcx),$xb1,$xb1 |
| vpaddd 0x140-0x100(%rcx),$xb2,$xb2 |
| vpaddd 0x160-0x100(%rcx),$xb3,$xb3 |
| |
| vpunpckldq $xb1,$xb0,$xt2 |
| vpunpckldq $xb3,$xb2,$xt3 |
| vpunpckhdq $xb1,$xb0,$xb0 |
| vpunpckhdq $xb3,$xb2,$xb2 |
| vpunpcklqdq $xt3,$xt2,$xb1 # "b0" |
| vpunpckhqdq $xt3,$xt2,$xt2 # "b1" |
| vpunpcklqdq $xb2,$xb0,$xb3 # "b2" |
| vpunpckhqdq $xb2,$xb0,$xb0 # "b3" |
| ___ |
| ($xb0,$xb1,$xb2,$xb3,$xt2)=($xb1,$xt2,$xb3,$xb0,$xb2); |
| $code.=<<___; |
| vperm2i128 \$0x20,$xb0,$xa0,$xt3 # "de-interlace" further |
| vperm2i128 \$0x31,$xb0,$xa0,$xb0 |
| vperm2i128 \$0x20,$xb1,$xa1,$xa0 |
| vperm2i128 \$0x31,$xb1,$xa1,$xb1 |
| vperm2i128 \$0x20,$xb2,$xa2,$xa1 |
| vperm2i128 \$0x31,$xb2,$xa2,$xb2 |
| vperm2i128 \$0x20,$xb3,$xa3,$xa2 |
| vperm2i128 \$0x31,$xb3,$xa3,$xb3 |
| ___ |
| ($xa0,$xa1,$xa2,$xa3,$xt3)=($xt3,$xa0,$xa1,$xa2,$xa3); |
| my ($xc0,$xc1,$xc2,$xc3)=($xt0,$xt1,$xa0,$xa1); |
| $code.=<<___; |
| vmovdqa $xa0,0x00(%rsp) # offload $xaN |
| vmovdqa $xa1,0x20(%rsp) |
| vmovdqa 0x40(%rsp),$xc2 # $xa0 |
| vmovdqa 0x60(%rsp),$xc3 # $xa1 |
| |
| vpaddd 0x180-0x200(%rax),$xc0,$xc0 |
| vpaddd 0x1a0-0x200(%rax),$xc1,$xc1 |
| vpaddd 0x1c0-0x200(%rax),$xc2,$xc2 |
| vpaddd 0x1e0-0x200(%rax),$xc3,$xc3 |
| |
| vpunpckldq $xc1,$xc0,$xt2 |
| vpunpckldq $xc3,$xc2,$xt3 |
| vpunpckhdq $xc1,$xc0,$xc0 |
| vpunpckhdq $xc3,$xc2,$xc2 |
| vpunpcklqdq $xt3,$xt2,$xc1 # "c0" |
| vpunpckhqdq $xt3,$xt2,$xt2 # "c1" |
| vpunpcklqdq $xc2,$xc0,$xc3 # "c2" |
| vpunpckhqdq $xc2,$xc0,$xc0 # "c3" |
| ___ |
| ($xc0,$xc1,$xc2,$xc3,$xt2)=($xc1,$xt2,$xc3,$xc0,$xc2); |
| $code.=<<___; |
| vpaddd 0x200-0x200(%rax),$xd0,$xd0 |
| vpaddd 0x220-0x200(%rax),$xd1,$xd1 |
| vpaddd 0x240-0x200(%rax),$xd2,$xd2 |
| vpaddd 0x260-0x200(%rax),$xd3,$xd3 |
| |
| vpunpckldq $xd1,$xd0,$xt2 |
| vpunpckldq $xd3,$xd2,$xt3 |
| vpunpckhdq $xd1,$xd0,$xd0 |
| vpunpckhdq $xd3,$xd2,$xd2 |
| vpunpcklqdq $xt3,$xt2,$xd1 # "d0" |
| vpunpckhqdq $xt3,$xt2,$xt2 # "d1" |
| vpunpcklqdq $xd2,$xd0,$xd3 # "d2" |
| vpunpckhqdq $xd2,$xd0,$xd0 # "d3" |
| ___ |
| ($xd0,$xd1,$xd2,$xd3,$xt2)=($xd1,$xt2,$xd3,$xd0,$xd2); |
| $code.=<<___; |
| vperm2i128 \$0x20,$xd0,$xc0,$xt3 # "de-interlace" further |
| vperm2i128 \$0x31,$xd0,$xc0,$xd0 |
| vperm2i128 \$0x20,$xd1,$xc1,$xc0 |
| vperm2i128 \$0x31,$xd1,$xc1,$xd1 |
| vperm2i128 \$0x20,$xd2,$xc2,$xc1 |
| vperm2i128 \$0x31,$xd2,$xc2,$xd2 |
| vperm2i128 \$0x20,$xd3,$xc3,$xc2 |
| vperm2i128 \$0x31,$xd3,$xc3,$xd3 |
| ___ |
| ($xc0,$xc1,$xc2,$xc3,$xt3)=($xt3,$xc0,$xc1,$xc2,$xc3); |
| ($xb0,$xb1,$xb2,$xb3,$xc0,$xc1,$xc2,$xc3)= |
| ($xc0,$xc1,$xc2,$xc3,$xb0,$xb1,$xb2,$xb3); |
| ($xa0,$xa1)=($xt2,$xt3); |
| $code.=<<___; |
| vmovdqa 0x00(%rsp),$xa0 # $xaN was offloaded, remember? |
| vmovdqa 0x20(%rsp),$xa1 |
| |
| cmp \$64*8,$len |
| jb .Ltail8x |
| |
| vpxor 0x00($inp),$xa0,$xa0 # xor with input |
| vpxor 0x20($inp),$xb0,$xb0 |
| vpxor 0x40($inp),$xc0,$xc0 |
| vpxor 0x60($inp),$xd0,$xd0 |
| lea 0x80($inp),$inp # size optimization |
| vmovdqu $xa0,0x00($out) |
| vmovdqu $xb0,0x20($out) |
| vmovdqu $xc0,0x40($out) |
| vmovdqu $xd0,0x60($out) |
| lea 0x80($out),$out # size optimization |
| |
| vpxor 0x00($inp),$xa1,$xa1 |
| vpxor 0x20($inp),$xb1,$xb1 |
| vpxor 0x40($inp),$xc1,$xc1 |
| vpxor 0x60($inp),$xd1,$xd1 |
| lea 0x80($inp),$inp # size optimization |
| vmovdqu $xa1,0x00($out) |
| vmovdqu $xb1,0x20($out) |
| vmovdqu $xc1,0x40($out) |
| vmovdqu $xd1,0x60($out) |
| lea 0x80($out),$out # size optimization |
| |
| vpxor 0x00($inp),$xa2,$xa2 |
| vpxor 0x20($inp),$xb2,$xb2 |
| vpxor 0x40($inp),$xc2,$xc2 |
| vpxor 0x60($inp),$xd2,$xd2 |
| lea 0x80($inp),$inp # size optimization |
| vmovdqu $xa2,0x00($out) |
| vmovdqu $xb2,0x20($out) |
| vmovdqu $xc2,0x40($out) |
| vmovdqu $xd2,0x60($out) |
| lea 0x80($out),$out # size optimization |
| |
| vpxor 0x00($inp),$xa3,$xa3 |
| vpxor 0x20($inp),$xb3,$xb3 |
| vpxor 0x40($inp),$xc3,$xc3 |
| vpxor 0x60($inp),$xd3,$xd3 |
| lea 0x80($inp),$inp # size optimization |
| vmovdqu $xa3,0x00($out) |
| vmovdqu $xb3,0x20($out) |
| vmovdqu $xc3,0x40($out) |
| vmovdqu $xd3,0x60($out) |
| lea 0x80($out),$out # size optimization |
| |
| sub \$64*8,$len |
| jnz .Loop_outer8x |
| |
| jmp .Ldone8x |
| |
| .Ltail8x: |
| cmp \$448,$len |
| jae .L448_or_more8x |
| cmp \$384,$len |
| jae .L384_or_more8x |
| cmp \$320,$len |
| jae .L320_or_more8x |
| cmp \$256,$len |
| jae .L256_or_more8x |
| cmp \$192,$len |
| jae .L192_or_more8x |
| cmp \$128,$len |
| jae .L128_or_more8x |
| cmp \$64,$len |
| jae .L64_or_more8x |
| |
| xor %r10,%r10 |
| vmovdqa $xa0,0x00(%rsp) |
| vmovdqa $xb0,0x20(%rsp) |
| jmp .Loop_tail8x |
| |
| .align 32 |
| .L64_or_more8x: |
| vpxor 0x00($inp),$xa0,$xa0 # xor with input |
| vpxor 0x20($inp),$xb0,$xb0 |
| vmovdqu $xa0,0x00($out) |
| vmovdqu $xb0,0x20($out) |
| je .Ldone8x |
| |
| lea 0x40($inp),$inp # inp+=64*1 |
| xor %r10,%r10 |
| vmovdqa $xc0,0x00(%rsp) |
| lea 0x40($out),$out # out+=64*1 |
| sub \$64,$len # len-=64*1 |
| vmovdqa $xd0,0x20(%rsp) |
| jmp .Loop_tail8x |
| |
| .align 32 |
| .L128_or_more8x: |
| vpxor 0x00($inp),$xa0,$xa0 # xor with input |
| vpxor 0x20($inp),$xb0,$xb0 |
| vpxor 0x40($inp),$xc0,$xc0 |
| vpxor 0x60($inp),$xd0,$xd0 |
| vmovdqu $xa0,0x00($out) |
| vmovdqu $xb0,0x20($out) |
| vmovdqu $xc0,0x40($out) |
| vmovdqu $xd0,0x60($out) |
| je .Ldone8x |
| |
| lea 0x80($inp),$inp # inp+=64*2 |
| xor %r10,%r10 |
| vmovdqa $xa1,0x00(%rsp) |
| lea 0x80($out),$out # out+=64*2 |
| sub \$128,$len # len-=64*2 |
| vmovdqa $xb1,0x20(%rsp) |
| jmp .Loop_tail8x |
| |
| .align 32 |
| .L192_or_more8x: |
| vpxor 0x00($inp),$xa0,$xa0 # xor with input |
| vpxor 0x20($inp),$xb0,$xb0 |
| vpxor 0x40($inp),$xc0,$xc0 |
| vpxor 0x60($inp),$xd0,$xd0 |
| vpxor 0x80($inp),$xa1,$xa1 |
| vpxor 0xa0($inp),$xb1,$xb1 |
| vmovdqu $xa0,0x00($out) |
| vmovdqu $xb0,0x20($out) |
| vmovdqu $xc0,0x40($out) |
| vmovdqu $xd0,0x60($out) |
| vmovdqu $xa1,0x80($out) |
| vmovdqu $xb1,0xa0($out) |
| je .Ldone8x |
| |
| lea 0xc0($inp),$inp # inp+=64*3 |
| xor %r10,%r10 |
| vmovdqa $xc1,0x00(%rsp) |
| lea 0xc0($out),$out # out+=64*3 |
| sub \$192,$len # len-=64*3 |
| vmovdqa $xd1,0x20(%rsp) |
| jmp .Loop_tail8x |
| |
| .align 32 |
| .L256_or_more8x: |
| vpxor 0x00($inp),$xa0,$xa0 # xor with input |
| vpxor 0x20($inp),$xb0,$xb0 |
| vpxor 0x40($inp),$xc0,$xc0 |
| vpxor 0x60($inp),$xd0,$xd0 |
| vpxor 0x80($inp),$xa1,$xa1 |
| vpxor 0xa0($inp),$xb1,$xb1 |
| vpxor 0xc0($inp),$xc1,$xc1 |
| vpxor 0xe0($inp),$xd1,$xd1 |
| vmovdqu $xa0,0x00($out) |
| vmovdqu $xb0,0x20($out) |
| vmovdqu $xc0,0x40($out) |
| vmovdqu $xd0,0x60($out) |
| vmovdqu $xa1,0x80($out) |
| vmovdqu $xb1,0xa0($out) |
| vmovdqu $xc1,0xc0($out) |
| vmovdqu $xd1,0xe0($out) |
| je .Ldone8x |
| |
| lea 0x100($inp),$inp # inp+=64*4 |
| xor %r10,%r10 |
| vmovdqa $xa2,0x00(%rsp) |
| lea 0x100($out),$out # out+=64*4 |
| sub \$256,$len # len-=64*4 |
| vmovdqa $xb2,0x20(%rsp) |
| jmp .Loop_tail8x |
| |
| .align 32 |
| .L320_or_more8x: |
| vpxor 0x00($inp),$xa0,$xa0 # xor with input |
| vpxor 0x20($inp),$xb0,$xb0 |
| vpxor 0x40($inp),$xc0,$xc0 |
| vpxor 0x60($inp),$xd0,$xd0 |
| vpxor 0x80($inp),$xa1,$xa1 |
| vpxor 0xa0($inp),$xb1,$xb1 |
| vpxor 0xc0($inp),$xc1,$xc1 |
| vpxor 0xe0($inp),$xd1,$xd1 |
| vpxor 0x100($inp),$xa2,$xa2 |
| vpxor 0x120($inp),$xb2,$xb2 |
| vmovdqu $xa0,0x00($out) |
| vmovdqu $xb0,0x20($out) |
| vmovdqu $xc0,0x40($out) |
| vmovdqu $xd0,0x60($out) |
| vmovdqu $xa1,0x80($out) |
| vmovdqu $xb1,0xa0($out) |
| vmovdqu $xc1,0xc0($out) |
| vmovdqu $xd1,0xe0($out) |
| vmovdqu $xa2,0x100($out) |
| vmovdqu $xb2,0x120($out) |
| je .Ldone8x |
| |
| lea 0x140($inp),$inp # inp+=64*5 |
| xor %r10,%r10 |
| vmovdqa $xc2,0x00(%rsp) |
| lea 0x140($out),$out # out+=64*5 |
| sub \$320,$len # len-=64*5 |
| vmovdqa $xd2,0x20(%rsp) |
| jmp .Loop_tail8x |
| |
| .align 32 |
| .L384_or_more8x: |
| vpxor 0x00($inp),$xa0,$xa0 # xor with input |
| vpxor 0x20($inp),$xb0,$xb0 |
| vpxor 0x40($inp),$xc0,$xc0 |
| vpxor 0x60($inp),$xd0,$xd0 |
| vpxor 0x80($inp),$xa1,$xa1 |
| vpxor 0xa0($inp),$xb1,$xb1 |
| vpxor 0xc0($inp),$xc1,$xc1 |
| vpxor 0xe0($inp),$xd1,$xd1 |
| vpxor 0x100($inp),$xa2,$xa2 |
| vpxor 0x120($inp),$xb2,$xb2 |
| vpxor 0x140($inp),$xc2,$xc2 |
| vpxor 0x160($inp),$xd2,$xd2 |
| vmovdqu $xa0,0x00($out) |
| vmovdqu $xb0,0x20($out) |
| vmovdqu $xc0,0x40($out) |
| vmovdqu $xd0,0x60($out) |
| vmovdqu $xa1,0x80($out) |
| vmovdqu $xb1,0xa0($out) |
| vmovdqu $xc1,0xc0($out) |
| vmovdqu $xd1,0xe0($out) |
| vmovdqu $xa2,0x100($out) |
| vmovdqu $xb2,0x120($out) |
| vmovdqu $xc2,0x140($out) |
| vmovdqu $xd2,0x160($out) |
| je .Ldone8x |
| |
| lea 0x180($inp),$inp # inp+=64*6 |
| xor %r10,%r10 |
| vmovdqa $xa3,0x00(%rsp) |
| lea 0x180($out),$out # out+=64*6 |
| sub \$384,$len # len-=64*6 |
| vmovdqa $xb3,0x20(%rsp) |
| jmp .Loop_tail8x |
| |
| .align 32 |
| .L448_or_more8x: |
| vpxor 0x00($inp),$xa0,$xa0 # xor with input |
| vpxor 0x20($inp),$xb0,$xb0 |
| vpxor 0x40($inp),$xc0,$xc0 |
| vpxor 0x60($inp),$xd0,$xd0 |
| vpxor 0x80($inp),$xa1,$xa1 |
| vpxor 0xa0($inp),$xb1,$xb1 |
| vpxor 0xc0($inp),$xc1,$xc1 |
| vpxor 0xe0($inp),$xd1,$xd1 |
| vpxor 0x100($inp),$xa2,$xa2 |
| vpxor 0x120($inp),$xb2,$xb2 |
| vpxor 0x140($inp),$xc2,$xc2 |
| vpxor 0x160($inp),$xd2,$xd2 |
| vpxor 0x180($inp),$xa3,$xa3 |
| vpxor 0x1a0($inp),$xb3,$xb3 |
| vmovdqu $xa0,0x00($out) |
| vmovdqu $xb0,0x20($out) |
| vmovdqu $xc0,0x40($out) |
| vmovdqu $xd0,0x60($out) |
| vmovdqu $xa1,0x80($out) |
| vmovdqu $xb1,0xa0($out) |
| vmovdqu $xc1,0xc0($out) |
| vmovdqu $xd1,0xe0($out) |
| vmovdqu $xa2,0x100($out) |
| vmovdqu $xb2,0x120($out) |
| vmovdqu $xc2,0x140($out) |
| vmovdqu $xd2,0x160($out) |
| vmovdqu $xa3,0x180($out) |
| vmovdqu $xb3,0x1a0($out) |
| je .Ldone8x |
| |
| lea 0x1c0($inp),$inp # inp+=64*7 |
| xor %r10,%r10 |
| vmovdqa $xc3,0x00(%rsp) |
| lea 0x1c0($out),$out # out+=64*7 |
| sub \$448,$len # len-=64*7 |
| vmovdqa $xd3,0x20(%rsp) |
| |
| .Loop_tail8x: |
| movzb ($inp,%r10),%eax |
| movzb (%rsp,%r10),%ecx |
| lea 1(%r10),%r10 |
| xor %ecx,%eax |
| mov %al,-1($out,%r10) |
| dec $len |
| jnz .Loop_tail8x |
| |
| .Ldone8x: |
| vzeroall |
| ___ |
| $code.=<<___ if ($win64); |
| movaps -0xa8(%r9),%xmm6 |
| movaps -0x98(%r9),%xmm7 |
| movaps -0x88(%r9),%xmm8 |
| movaps -0x78(%r9),%xmm9 |
| movaps -0x68(%r9),%xmm10 |
| movaps -0x58(%r9),%xmm11 |
| movaps -0x48(%r9),%xmm12 |
| movaps -0x38(%r9),%xmm13 |
| movaps -0x28(%r9),%xmm14 |
| movaps -0x18(%r9),%xmm15 |
| ___ |
| $code.=<<___; |
| lea (%r9),%rsp |
| .cfi_def_cfa_register rsp |
| .L8x_epilogue: |
| ret |
| .cfi_endproc |
| .size ChaCha20_8x,.-ChaCha20_8x |
| ___ |
| } |
| |
| ######################################################################## |
| # AVX512 code paths |
| if ($avx>2) { |
| # This one handles shorter inputs... |
| |
| my ($a,$b,$c,$d, $a_,$b_,$c_,$d_,$fourz) = map("%zmm$_",(0..3,16..20)); |
| my ($t0,$t1,$t2,$t3) = map("%xmm$_",(4..7)); |
| |
| sub AVX512ROUND { # critical path is 14 "SIMD ticks" per round |
| &vpaddd ($a,$a,$b); |
| &vpxord ($d,$d,$a); |
| &vprold ($d,$d,16); |
| |
| &vpaddd ($c,$c,$d); |
| &vpxord ($b,$b,$c); |
| &vprold ($b,$b,12); |
| |
| &vpaddd ($a,$a,$b); |
| &vpxord ($d,$d,$a); |
| &vprold ($d,$d,8); |
| |
| &vpaddd ($c,$c,$d); |
| &vpxord ($b,$b,$c); |
| &vprold ($b,$b,7); |
| } |
| |
| my $xframe = $win64 ? 32+8 : 8; |
| |
| $code.=<<___; |
| .type ChaCha20_avx512,\@function,5 |
| .align 32 |
| ChaCha20_avx512: |
| .LChaCha20_avx512: |
| .cfi_startproc |
| mov %rsp,%r9 # frame pointer |
| .cfi_def_cfa_register r9 |
| cmp \$512,$len |
| ja .LChaCha20_16x |
| |
| sub \$64+$xframe,%rsp |
| ___ |
| $code.=<<___ if ($win64); |
| movaps %xmm6,-0x28(%r9) |
| movaps %xmm7,-0x18(%r9) |
| .Lavx512_body: |
| ___ |
| $code.=<<___; |
| vbroadcasti32x4 .Lsigma(%rip),$a |
| vbroadcasti32x4 ($key),$b |
| vbroadcasti32x4 16($key),$c |
| vbroadcasti32x4 ($counter),$d |
| |
| vmovdqa32 $a,$a_ |
| vmovdqa32 $b,$b_ |
| vmovdqa32 $c,$c_ |
| vpaddd .Lzeroz(%rip),$d,$d |
| vmovdqa32 .Lfourz(%rip),$fourz |
| mov \$10,$counter # reuse $counter |
| vmovdqa32 $d,$d_ |
| jmp .Loop_avx512 |
| |
| .align 16 |
| .Loop_outer_avx512: |
| vmovdqa32 $a_,$a |
| vmovdqa32 $b_,$b |
| vmovdqa32 $c_,$c |
| vpaddd $fourz,$d_,$d |
| mov \$10,$counter |
| vmovdqa32 $d,$d_ |
| jmp .Loop_avx512 |
| |
| .align 32 |
| .Loop_avx512: |
| ___ |
| &AVX512ROUND(); |
| &vpshufd ($c,$c,0b01001110); |
| &vpshufd ($b,$b,0b00111001); |
| &vpshufd ($d,$d,0b10010011); |
| |
| &AVX512ROUND(); |
| &vpshufd ($c,$c,0b01001110); |
| &vpshufd ($b,$b,0b10010011); |
| &vpshufd ($d,$d,0b00111001); |
| |
| &dec ($counter); |
| &jnz (".Loop_avx512"); |
| |
| $code.=<<___; |
| vpaddd $a_,$a,$a |
| vpaddd $b_,$b,$b |
| vpaddd $c_,$c,$c |
| vpaddd $d_,$d,$d |
| |
| sub \$64,$len |
| jb .Ltail64_avx512 |
| |
| vpxor 0x00($inp),%x#$a,$t0 # xor with input |
| vpxor 0x10($inp),%x#$b,$t1 |
| vpxor 0x20($inp),%x#$c,$t2 |
| vpxor 0x30($inp),%x#$d,$t3 |
| lea 0x40($inp),$inp # inp+=64 |
| |
| vmovdqu $t0,0x00($out) # write output |
| vmovdqu $t1,0x10($out) |
| vmovdqu $t2,0x20($out) |
| vmovdqu $t3,0x30($out) |
| lea 0x40($out),$out # out+=64 |
| |
| jz .Ldone_avx512 |
| |
| vextracti32x4 \$1,$a,$t0 |
| vextracti32x4 \$1,$b,$t1 |
| vextracti32x4 \$1,$c,$t2 |
| vextracti32x4 \$1,$d,$t3 |
| |
| sub \$64,$len |
| jb .Ltail_avx512 |
| |
| vpxor 0x00($inp),$t0,$t0 # xor with input |
| vpxor 0x10($inp),$t1,$t1 |
| vpxor 0x20($inp),$t2,$t2 |
| vpxor 0x30($inp),$t3,$t3 |
| lea 0x40($inp),$inp # inp+=64 |
| |
| vmovdqu $t0,0x00($out) # write output |
| vmovdqu $t1,0x10($out) |
| vmovdqu $t2,0x20($out) |
| vmovdqu $t3,0x30($out) |
| lea 0x40($out),$out # out+=64 |
| |
| jz .Ldone_avx512 |
| |
| vextracti32x4 \$2,$a,$t0 |
| vextracti32x4 \$2,$b,$t1 |
| vextracti32x4 \$2,$c,$t2 |
| vextracti32x4 \$2,$d,$t3 |
| |
| sub \$64,$len |
| jb .Ltail_avx512 |
| |
| vpxor 0x00($inp),$t0,$t0 # xor with input |
| vpxor 0x10($inp),$t1,$t1 |
| vpxor 0x20($inp),$t2,$t2 |
| vpxor 0x30($inp),$t3,$t3 |
| lea 0x40($inp),$inp # inp+=64 |
| |
| vmovdqu $t0,0x00($out) # write output |
| vmovdqu $t1,0x10($out) |
| vmovdqu $t2,0x20($out) |
| vmovdqu $t3,0x30($out) |
| lea 0x40($out),$out # out+=64 |
| |
| jz .Ldone_avx512 |
| |
| vextracti32x4 \$3,$a,$t0 |
| vextracti32x4 \$3,$b,$t1 |
| vextracti32x4 \$3,$c,$t2 |
| vextracti32x4 \$3,$d,$t3 |
| |
| sub \$64,$len |
| jb .Ltail_avx512 |
| |
| vpxor 0x00($inp),$t0,$t0 # xor with input |
| vpxor 0x10($inp),$t1,$t1 |
| vpxor 0x20($inp),$t2,$t2 |
| vpxor 0x30($inp),$t3,$t3 |
| lea 0x40($inp),$inp # inp+=64 |
| |
| vmovdqu $t0,0x00($out) # write output |
| vmovdqu $t1,0x10($out) |
| vmovdqu $t2,0x20($out) |
| vmovdqu $t3,0x30($out) |
| lea 0x40($out),$out # out+=64 |
| |
| jnz .Loop_outer_avx512 |
| |
| jmp .Ldone_avx512 |
| |
| .align 16 |
| .Ltail64_avx512: |
| vmovdqa %x#$a,0x00(%rsp) |
| vmovdqa %x#$b,0x10(%rsp) |
| vmovdqa %x#$c,0x20(%rsp) |
| vmovdqa %x#$d,0x30(%rsp) |
| add \$64,$len |
| jmp .Loop_tail_avx512 |
| |
| .align 16 |
| .Ltail_avx512: |
| vmovdqa $t0,0x00(%rsp) |
| vmovdqa $t1,0x10(%rsp) |
| vmovdqa $t2,0x20(%rsp) |
| vmovdqa $t3,0x30(%rsp) |
| add \$64,$len |
| |
| .Loop_tail_avx512: |
| movzb ($inp,$counter),%eax |
| movzb (%rsp,$counter),%ecx |
| lea 1($counter),$counter |
| xor %ecx,%eax |
| mov %al,-1($out,$counter) |
| dec $len |
| jnz .Loop_tail_avx512 |
| |
| vmovdqa32 $a_,0x00(%rsp) |
| |
| .Ldone_avx512: |
| vzeroall |
| ___ |
| $code.=<<___ if ($win64); |
| movaps -0x28(%r9),%xmm6 |
| movaps -0x18(%r9),%xmm7 |
| ___ |
| $code.=<<___; |
| lea (%r9),%rsp |
| .cfi_def_cfa_register rsp |
| .Lavx512_epilogue: |
| ret |
| .cfi_endproc |
| .size ChaCha20_avx512,.-ChaCha20_avx512 |
| ___ |
| } |
| if ($avx>2) { |
| # This one handles longer inputs... |
| |
| my ($xa0,$xa1,$xa2,$xa3, $xb0,$xb1,$xb2,$xb3, |
| $xc0,$xc1,$xc2,$xc3, $xd0,$xd1,$xd2,$xd3)=map("%zmm$_",(0..15)); |
| my @xx=($xa0,$xa1,$xa2,$xa3, $xb0,$xb1,$xb2,$xb3, |
| $xc0,$xc1,$xc2,$xc3, $xd0,$xd1,$xd2,$xd3); |
| my @key=map("%zmm$_",(16..31)); |
| my ($xt0,$xt1,$xt2,$xt3)=@key[0..3]; |
| |
| sub AVX512_lane_ROUND { |
| my ($a0,$b0,$c0,$d0)=@_; |
| my ($a1,$b1,$c1,$d1)=map(($_&~3)+(($_+1)&3),($a0,$b0,$c0,$d0)); |
| my ($a2,$b2,$c2,$d2)=map(($_&~3)+(($_+1)&3),($a1,$b1,$c1,$d1)); |
| my ($a3,$b3,$c3,$d3)=map(($_&~3)+(($_+1)&3),($a2,$b2,$c2,$d2)); |
| my @x=map("\"$_\"",@xx); |
| |
| ( |
| "&vpaddd (@x[$a0],@x[$a0],@x[$b0])", # Q1 |
| "&vpaddd (@x[$a1],@x[$a1],@x[$b1])", # Q2 |
| "&vpaddd (@x[$a2],@x[$a2],@x[$b2])", # Q3 |
| "&vpaddd (@x[$a3],@x[$a3],@x[$b3])", # Q4 |
| "&vpxord (@x[$d0],@x[$d0],@x[$a0])", |
| "&vpxord (@x[$d1],@x[$d1],@x[$a1])", |
| "&vpxord (@x[$d2],@x[$d2],@x[$a2])", |
| "&vpxord (@x[$d3],@x[$d3],@x[$a3])", |
| "&vprold (@x[$d0],@x[$d0],16)", |
| "&vprold (@x[$d1],@x[$d1],16)", |
| "&vprold (@x[$d2],@x[$d2],16)", |
| "&vprold (@x[$d3],@x[$d3],16)", |
| |
| "&vpaddd (@x[$c0],@x[$c0],@x[$d0])", |
| "&vpaddd (@x[$c1],@x[$c1],@x[$d1])", |
| "&vpaddd (@x[$c2],@x[$c2],@x[$d2])", |
| "&vpaddd (@x[$c3],@x[$c3],@x[$d3])", |
| "&vpxord (@x[$b0],@x[$b0],@x[$c0])", |
| "&vpxord (@x[$b1],@x[$b1],@x[$c1])", |
| "&vpxord (@x[$b2],@x[$b2],@x[$c2])", |
| "&vpxord (@x[$b3],@x[$b3],@x[$c3])", |
| "&vprold (@x[$b0],@x[$b0],12)", |
| "&vprold (@x[$b1],@x[$b1],12)", |
| "&vprold (@x[$b2],@x[$b2],12)", |
| "&vprold (@x[$b3],@x[$b3],12)", |
| |
| "&vpaddd (@x[$a0],@x[$a0],@x[$b0])", |
| "&vpaddd (@x[$a1],@x[$a1],@x[$b1])", |
| "&vpaddd (@x[$a2],@x[$a2],@x[$b2])", |
| "&vpaddd (@x[$a3],@x[$a3],@x[$b3])", |
| "&vpxord (@x[$d0],@x[$d0],@x[$a0])", |
| "&vpxord (@x[$d1],@x[$d1],@x[$a1])", |
| "&vpxord (@x[$d2],@x[$d2],@x[$a2])", |
| "&vpxord (@x[$d3],@x[$d3],@x[$a3])", |
| "&vprold (@x[$d0],@x[$d0],8)", |
| "&vprold (@x[$d1],@x[$d1],8)", |
| "&vprold (@x[$d2],@x[$d2],8)", |
| "&vprold (@x[$d3],@x[$d3],8)", |
| |
| "&vpaddd (@x[$c0],@x[$c0],@x[$d0])", |
| "&vpaddd (@x[$c1],@x[$c1],@x[$d1])", |
| "&vpaddd (@x[$c2],@x[$c2],@x[$d2])", |
| "&vpaddd (@x[$c3],@x[$c3],@x[$d3])", |
| "&vpxord (@x[$b0],@x[$b0],@x[$c0])", |
| "&vpxord (@x[$b1],@x[$b1],@x[$c1])", |
| "&vpxord (@x[$b2],@x[$b2],@x[$c2])", |
| "&vpxord (@x[$b3],@x[$b3],@x[$c3])", |
| "&vprold (@x[$b0],@x[$b0],7)", |
| "&vprold (@x[$b1],@x[$b1],7)", |
| "&vprold (@x[$b2],@x[$b2],7)", |
| "&vprold (@x[$b3],@x[$b3],7)" |
| ); |
| } |
| |
| my $xframe = $win64 ? 0xa8 : 8; |
| |
| $code.=<<___; |
| .type ChaCha20_16x,\@function,5 |
| .align 32 |
| ChaCha20_16x: |
| .LChaCha20_16x: |
| .cfi_startproc |
| mov %rsp,%r9 # frame register |
| .cfi_def_cfa_register r9 |
| sub \$64+$xframe,%rsp |
| and \$-64,%rsp |
| ___ |
| $code.=<<___ if ($win64); |
| movaps %xmm6,-0xa8(%r9) |
| movaps %xmm7,-0x98(%r9) |
| movaps %xmm8,-0x88(%r9) |
| movaps %xmm9,-0x78(%r9) |
| movaps %xmm10,-0x68(%r9) |
| movaps %xmm11,-0x58(%r9) |
| movaps %xmm12,-0x48(%r9) |
| movaps %xmm13,-0x38(%r9) |
| movaps %xmm14,-0x28(%r9) |
| movaps %xmm15,-0x18(%r9) |
| .L16x_body: |
| ___ |
| $code.=<<___; |
| vzeroupper |
| |
| lea .Lsigma(%rip),%r10 |
| vbroadcasti32x4 (%r10),$xa3 # key[0] |
| vbroadcasti32x4 ($key),$xb3 # key[1] |
| vbroadcasti32x4 16($key),$xc3 # key[2] |
| vbroadcasti32x4 ($counter),$xd3 # key[3] |
| |
| vpshufd \$0x00,$xa3,$xa0 # smash key by lanes... |
| vpshufd \$0x55,$xa3,$xa1 |
| vpshufd \$0xaa,$xa3,$xa2 |
| vpshufd \$0xff,$xa3,$xa3 |
| vmovdqa64 $xa0,@key[0] |
| vmovdqa64 $xa1,@key[1] |
| vmovdqa64 $xa2,@key[2] |
| vmovdqa64 $xa3,@key[3] |
| |
| vpshufd \$0x00,$xb3,$xb0 |
| vpshufd \$0x55,$xb3,$xb1 |
| vpshufd \$0xaa,$xb3,$xb2 |
| vpshufd \$0xff,$xb3,$xb3 |
| vmovdqa64 $xb0,@key[4] |
| vmovdqa64 $xb1,@key[5] |
| vmovdqa64 $xb2,@key[6] |
| vmovdqa64 $xb3,@key[7] |
| |
| vpshufd \$0x00,$xc3,$xc0 |
| vpshufd \$0x55,$xc3,$xc1 |
| vpshufd \$0xaa,$xc3,$xc2 |
| vpshufd \$0xff,$xc3,$xc3 |
| vmovdqa64 $xc0,@key[8] |
| vmovdqa64 $xc1,@key[9] |
| vmovdqa64 $xc2,@key[10] |
| vmovdqa64 $xc3,@key[11] |
| |
| vpshufd \$0x00,$xd3,$xd0 |
| vpshufd \$0x55,$xd3,$xd1 |
| vpshufd \$0xaa,$xd3,$xd2 |
| vpshufd \$0xff,$xd3,$xd3 |
| vpaddd .Lincz(%rip),$xd0,$xd0 # don't save counters yet |
| vmovdqa64 $xd0,@key[12] |
| vmovdqa64 $xd1,@key[13] |
| vmovdqa64 $xd2,@key[14] |
| vmovdqa64 $xd3,@key[15] |
| |
| mov \$10,%eax |
| jmp .Loop16x |
| |
| .align 32 |
| .Loop_outer16x: |
| vpbroadcastd 0(%r10),$xa0 # reload key |
| vpbroadcastd 4(%r10),$xa1 |
| vpbroadcastd 8(%r10),$xa2 |
| vpbroadcastd 12(%r10),$xa3 |
| vpaddd .Lsixteen(%rip),@key[12],@key[12] # next SIMD counters |
| vmovdqa64 @key[4],$xb0 |
| vmovdqa64 @key[5],$xb1 |
| vmovdqa64 @key[6],$xb2 |
| vmovdqa64 @key[7],$xb3 |
| vmovdqa64 @key[8],$xc0 |
| vmovdqa64 @key[9],$xc1 |
| vmovdqa64 @key[10],$xc2 |
| vmovdqa64 @key[11],$xc3 |
| vmovdqa64 @key[12],$xd0 |
| vmovdqa64 @key[13],$xd1 |
| vmovdqa64 @key[14],$xd2 |
| vmovdqa64 @key[15],$xd3 |
| |
| vmovdqa64 $xa0,@key[0] |
| vmovdqa64 $xa1,@key[1] |
| vmovdqa64 $xa2,@key[2] |
| vmovdqa64 $xa3,@key[3] |
| |
| mov \$10,%eax |
| jmp .Loop16x |
| |
| .align 32 |
| .Loop16x: |
| ___ |
| foreach (&AVX512_lane_ROUND(0, 4, 8,12)) { eval; } |
| foreach (&AVX512_lane_ROUND(0, 5,10,15)) { eval; } |
| $code.=<<___; |
| dec %eax |
| jnz .Loop16x |
| |
| vpaddd @key[0],$xa0,$xa0 # accumulate key |
| vpaddd @key[1],$xa1,$xa1 |
| vpaddd @key[2],$xa2,$xa2 |
| vpaddd @key[3],$xa3,$xa3 |
| |
| vpunpckldq $xa1,$xa0,$xt2 # "de-interlace" data |
| vpunpckldq $xa3,$xa2,$xt3 |
| vpunpckhdq $xa1,$xa0,$xa0 |
| vpunpckhdq $xa3,$xa2,$xa2 |
| vpunpcklqdq $xt3,$xt2,$xa1 # "a0" |
| vpunpckhqdq $xt3,$xt2,$xt2 # "a1" |
| vpunpcklqdq $xa2,$xa0,$xa3 # "a2" |
| vpunpckhqdq $xa2,$xa0,$xa0 # "a3" |
| ___ |
| ($xa0,$xa1,$xa2,$xa3,$xt2)=($xa1,$xt2,$xa3,$xa0,$xa2); |
| $code.=<<___; |
| vpaddd @key[4],$xb0,$xb0 |
| vpaddd @key[5],$xb1,$xb1 |
| vpaddd @key[6],$xb2,$xb2 |
| vpaddd @key[7],$xb3,$xb3 |
| |
| vpunpckldq $xb1,$xb0,$xt2 |
| vpunpckldq $xb3,$xb2,$xt3 |
| vpunpckhdq $xb1,$xb0,$xb0 |
| vpunpckhdq $xb3,$xb2,$xb2 |
| vpunpcklqdq $xt3,$xt2,$xb1 # "b0" |
| vpunpckhqdq $xt3,$xt2,$xt2 # "b1" |
| vpunpcklqdq $xb2,$xb0,$xb3 # "b2" |
| vpunpckhqdq $xb2,$xb0,$xb0 # "b3" |
| ___ |
| ($xb0,$xb1,$xb2,$xb3,$xt2)=($xb1,$xt2,$xb3,$xb0,$xb2); |
| $code.=<<___; |
| vshufi32x4 \$0x44,$xb0,$xa0,$xt3 # "de-interlace" further |
| vshufi32x4 \$0xee,$xb0,$xa0,$xb0 |
| vshufi32x4 \$0x44,$xb1,$xa1,$xa0 |
| vshufi32x4 \$0xee,$xb1,$xa1,$xb1 |
| vshufi32x4 \$0x44,$xb2,$xa2,$xa1 |
| vshufi32x4 \$0xee,$xb2,$xa2,$xb2 |
| vshufi32x4 \$0x44,$xb3,$xa3,$xa2 |
| vshufi32x4 \$0xee,$xb3,$xa3,$xb3 |
| ___ |
| ($xa0,$xa1,$xa2,$xa3,$xt3)=($xt3,$xa0,$xa1,$xa2,$xa3); |
| $code.=<<___; |
| vpaddd @key[8],$xc0,$xc0 |
| vpaddd @key[9],$xc1,$xc1 |
| vpaddd @key[10],$xc2,$xc2 |
| vpaddd @key[11],$xc3,$xc3 |
| |
| vpunpckldq $xc1,$xc0,$xt2 |
| vpunpckldq $xc3,$xc2,$xt3 |
| vpunpckhdq $xc1,$xc0,$xc0 |
| vpunpckhdq $xc3,$xc2,$xc2 |
| vpunpcklqdq $xt3,$xt2,$xc1 # "c0" |
| vpunpckhqdq $xt3,$xt2,$xt2 # "c1" |
| vpunpcklqdq $xc2,$xc0,$xc3 # "c2" |
| vpunpckhqdq $xc2,$xc0,$xc0 # "c3" |
| ___ |
| ($xc0,$xc1,$xc2,$xc3,$xt2)=($xc1,$xt2,$xc3,$xc0,$xc2); |
| $code.=<<___; |
| vpaddd @key[12],$xd0,$xd0 |
| vpaddd @key[13],$xd1,$xd1 |
| vpaddd @key[14],$xd2,$xd2 |
| vpaddd @key[15],$xd3,$xd3 |
| |
| vpunpckldq $xd1,$xd0,$xt2 |
| vpunpckldq $xd3,$xd2,$xt3 |
| vpunpckhdq $xd1,$xd0,$xd0 |
| vpunpckhdq $xd3,$xd2,$xd2 |
| vpunpcklqdq $xt3,$xt2,$xd1 # "d0" |
| vpunpckhqdq $xt3,$xt2,$xt2 # "d1" |
| vpunpcklqdq $xd2,$xd0,$xd3 # "d2" |
| vpunpckhqdq $xd2,$xd0,$xd0 # "d3" |
| ___ |
| ($xd0,$xd1,$xd2,$xd3,$xt2)=($xd1,$xt2,$xd3,$xd0,$xd2); |
| $code.=<<___; |
| vshufi32x4 \$0x44,$xd0,$xc0,$xt3 # "de-interlace" further |
| vshufi32x4 \$0xee,$xd0,$xc0,$xd0 |
| vshufi32x4 \$0x44,$xd1,$xc1,$xc0 |
| vshufi32x4 \$0xee,$xd1,$xc1,$xd1 |
| vshufi32x4 \$0x44,$xd2,$xc2,$xc1 |
| vshufi32x4 \$0xee,$xd2,$xc2,$xd2 |
| vshufi32x4 \$0x44,$xd3,$xc3,$xc2 |
| vshufi32x4 \$0xee,$xd3,$xc3,$xd3 |
| ___ |
| ($xc0,$xc1,$xc2,$xc3,$xt3)=($xt3,$xc0,$xc1,$xc2,$xc3); |
| $code.=<<___; |
| vshufi32x4 \$0x88,$xc0,$xa0,$xt0 # "de-interlace" further |
| vshufi32x4 \$0xdd,$xc0,$xa0,$xa0 |
| vshufi32x4 \$0x88,$xd0,$xb0,$xc0 |
| vshufi32x4 \$0xdd,$xd0,$xb0,$xd0 |
| vshufi32x4 \$0x88,$xc1,$xa1,$xt1 |
| vshufi32x4 \$0xdd,$xc1,$xa1,$xa1 |
| vshufi32x4 \$0x88,$xd1,$xb1,$xc1 |
| vshufi32x4 \$0xdd,$xd1,$xb1,$xd1 |
| vshufi32x4 \$0x88,$xc2,$xa2,$xt2 |
| vshufi32x4 \$0xdd,$xc2,$xa2,$xa2 |
| vshufi32x4 \$0x88,$xd2,$xb2,$xc2 |
| vshufi32x4 \$0xdd,$xd2,$xb2,$xd2 |
| vshufi32x4 \$0x88,$xc3,$xa3,$xt3 |
| vshufi32x4 \$0xdd,$xc3,$xa3,$xa3 |
| vshufi32x4 \$0x88,$xd3,$xb3,$xc3 |
| vshufi32x4 \$0xdd,$xd3,$xb3,$xd3 |
| ___ |
| ($xa0,$xa1,$xa2,$xa3,$xb0,$xb1,$xb2,$xb3)= |
| ($xt0,$xt1,$xt2,$xt3,$xa0,$xa1,$xa2,$xa3); |
| |
| ($xa0,$xb0,$xc0,$xd0, $xa1,$xb1,$xc1,$xd1, |
| $xa2,$xb2,$xc2,$xd2, $xa3,$xb3,$xc3,$xd3) = |
| ($xa0,$xa1,$xa2,$xa3, $xb0,$xb1,$xb2,$xb3, |
| $xc0,$xc1,$xc2,$xc3, $xd0,$xd1,$xd2,$xd3); |
| $code.=<<___; |
| cmp \$64*16,$len |
| jb .Ltail16x |
| |
| vpxord 0x00($inp),$xa0,$xa0 # xor with input |
| vpxord 0x40($inp),$xb0,$xb0 |
| vpxord 0x80($inp),$xc0,$xc0 |
| vpxord 0xc0($inp),$xd0,$xd0 |
| vmovdqu32 $xa0,0x00($out) |
| vmovdqu32 $xb0,0x40($out) |
| vmovdqu32 $xc0,0x80($out) |
| vmovdqu32 $xd0,0xc0($out) |
| |
| vpxord 0x100($inp),$xa1,$xa1 |
| vpxord 0x140($inp),$xb1,$xb1 |
| vpxord 0x180($inp),$xc1,$xc1 |
| vpxord 0x1c0($inp),$xd1,$xd1 |
| vmovdqu32 $xa1,0x100($out) |
| vmovdqu32 $xb1,0x140($out) |
| vmovdqu32 $xc1,0x180($out) |
| vmovdqu32 $xd1,0x1c0($out) |
| |
| vpxord 0x200($inp),$xa2,$xa2 |
| vpxord 0x240($inp),$xb2,$xb2 |
| vpxord 0x280($inp),$xc2,$xc2 |
| vpxord 0x2c0($inp),$xd2,$xd2 |
| vmovdqu32 $xa2,0x200($out) |
| vmovdqu32 $xb2,0x240($out) |
| vmovdqu32 $xc2,0x280($out) |
| vmovdqu32 $xd2,0x2c0($out) |
| |
| vpxord 0x300($inp),$xa3,$xa3 |
| vpxord 0x340($inp),$xb3,$xb3 |
| vpxord 0x380($inp),$xc3,$xc3 |
| vpxord 0x3c0($inp),$xd3,$xd3 |
| lea 0x400($inp),$inp |
| vmovdqu32 $xa3,0x300($out) |
| vmovdqu32 $xb3,0x340($out) |
| vmovdqu32 $xc3,0x380($out) |
| vmovdqu32 $xd3,0x3c0($out) |
| lea 0x400($out),$out |
| |
| sub \$64*16,$len |
| jnz .Loop_outer16x |
| |
| jmp .Ldone16x |
| |
| .align 32 |
| .Ltail16x: |
| xor %r10,%r10 |
| sub $inp,$out |
| cmp \$64*1,$len |
| jb .Less_than_64_16x |
| vpxord ($inp),$xa0,$xa0 # xor with input |
| vmovdqu32 $xa0,($out,$inp) |
| je .Ldone16x |
| vmovdqa32 $xb0,$xa0 |
| lea 64($inp),$inp |
| |
| cmp \$64*2,$len |
| jb .Less_than_64_16x |
| vpxord ($inp),$xb0,$xb0 |
| vmovdqu32 $xb0,($out,$inp) |
| je .Ldone16x |
| vmovdqa32 $xc0,$xa0 |
| lea 64($inp),$inp |
| |
| cmp \$64*3,$len |
| jb .Less_than_64_16x |
| vpxord ($inp),$xc0,$xc0 |
| vmovdqu32 $xc0,($out,$inp) |
| je .Ldone16x |
| vmovdqa32 $xd0,$xa0 |
| lea 64($inp),$inp |
| |
| cmp \$64*4,$len |
| jb .Less_than_64_16x |
| vpxord ($inp),$xd0,$xd0 |
| vmovdqu32 $xd0,($out,$inp) |
| je .Ldone16x |
| vmovdqa32 $xa1,$xa0 |
| lea 64($inp),$inp |
| |
| cmp \$64*5,$len |
| jb .Less_than_64_16x |
| vpxord ($inp),$xa1,$xa1 |
| vmovdqu32 $xa1,($out,$inp) |
| je .Ldone16x |
| vmovdqa32 $xb1,$xa0 |
| lea 64($inp),$inp |
| |
| cmp \$64*6,$len |
| jb .Less_than_64_16x |
| vpxord ($inp),$xb1,$xb1 |
| vmovdqu32 $xb1,($out,$inp) |
| je .Ldone16x |
| vmovdqa32 $xc1,$xa0 |
| lea 64($inp),$inp |
| |
| cmp \$64*7,$len |
| jb .Less_than_64_16x |
| vpxord ($inp),$xc1,$xc1 |
| vmovdqu32 $xc1,($out,$inp) |
| je .Ldone16x |
| vmovdqa32 $xd1,$xa0 |
| lea 64($inp),$inp |
| |
| cmp \$64*8,$len |
| jb .Less_than_64_16x |
| vpxord ($inp),$xd1,$xd1 |
| vmovdqu32 $xd1,($out,$inp) |
| je .Ldone16x |
| vmovdqa32 $xa2,$xa0 |
| lea 64($inp),$inp |
| |
| cmp \$64*9,$len |
| jb .Less_than_64_16x |
| vpxord ($inp),$xa2,$xa2 |
| vmovdqu32 $xa2,($out,$inp) |
| je .Ldone16x |
| vmovdqa32 $xb2,$xa0 |
| lea 64($inp),$inp |
| |
| cmp \$64*10,$len |
| jb .Less_than_64_16x |
| vpxord ($inp),$xb2,$xb2 |
| vmovdqu32 $xb2,($out,$inp) |
| je .Ldone16x |
| vmovdqa32 $xc2,$xa0 |
| lea 64($inp),$inp |
| |
| cmp \$64*11,$len |
| jb .Less_than_64_16x |
| vpxord ($inp),$xc2,$xc2 |
| vmovdqu32 $xc2,($out,$inp) |
| je .Ldone16x |
| vmovdqa32 $xd2,$xa0 |
| lea 64($inp),$inp |
| |
| cmp \$64*12,$len |
| jb .Less_than_64_16x |
| vpxord ($inp),$xd2,$xd2 |
| vmovdqu32 $xd2,($out,$inp) |
| je .Ldone16x |
| vmovdqa32 $xa3,$xa0 |
| lea 64($inp),$inp |
| |
| cmp \$64*13,$len |
| jb .Less_than_64_16x |
| vpxord ($inp),$xa3,$xa3 |
| vmovdqu32 $xa3,($out,$inp) |
| je .Ldone16x |
| vmovdqa32 $xb3,$xa0 |
| lea 64($inp),$inp |
| |
| cmp \$64*14,$len |
| jb .Less_than_64_16x |
| vpxord ($inp),$xb3,$xb3 |
| vmovdqu32 $xb3,($out,$inp) |
| je .Ldone16x |
| vmovdqa32 $xc3,$xa0 |
| lea 64($inp),$inp |
| |
| cmp \$64*15,$len |
| jb .Less_than_64_16x |
| vpxord ($inp),$xc3,$xc3 |
| vmovdqu32 $xc3,($out,$inp) |
| je .Ldone16x |
| vmovdqa32 $xd3,$xa0 |
| lea 64($inp),$inp |
| |
| .Less_than_64_16x: |
| vmovdqa32 $xa0,0x00(%rsp) |
| lea ($out,$inp),$out |
| and \$63,$len |
| |
| .Loop_tail16x: |
| movzb ($inp,%r10),%eax |
| movzb (%rsp,%r10),%ecx |
| lea 1(%r10),%r10 |
| xor %ecx,%eax |
| mov %al,-1($out,%r10) |
| dec $len |
| jnz .Loop_tail16x |
| |
| vpxord $xa0,$xa0,$xa0 |
| vmovdqa32 $xa0,0(%rsp) |
| |
| .Ldone16x: |
| vzeroall |
| ___ |
| $code.=<<___ if ($win64); |
| movaps -0xa8(%r9),%xmm6 |
| movaps -0x98(%r9),%xmm7 |
| movaps -0x88(%r9),%xmm8 |
| movaps -0x78(%r9),%xmm9 |
| movaps -0x68(%r9),%xmm10 |
| movaps -0x58(%r9),%xmm11 |
| movaps -0x48(%r9),%xmm12 |
| movaps -0x38(%r9),%xmm13 |
| movaps -0x28(%r9),%xmm14 |
| movaps -0x18(%r9),%xmm15 |
| ___ |
| $code.=<<___; |
| lea (%r9),%rsp |
| .cfi_def_cfa_register rsp |
| .L16x_epilogue: |
| ret |
| .cfi_endproc |
| .size ChaCha20_16x,.-ChaCha20_16x |
| ___ |
| } |
| |
| # EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame, |
| # CONTEXT *context,DISPATCHER_CONTEXT *disp) |
| if ($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($disp),%r11 # disp->HandlerData |
| |
| lea .Lctr32_body(%rip),%r10 |
| cmp %r10,%rbx # context->Rip<.Lprologue |
| jb .Lcommon_seh_tail |
| |
| mov 152($context),%rax # pull context->Rsp |
| |
| lea .Lno_data(%rip),%r10 # epilogue label |
| cmp %r10,%rbx # context->Rip>=.Lepilogue |
| jae .Lcommon_seh_tail |
| |
| lea 64+24+48(%rax),%rax |
| |
| mov -8(%rax),%rbx |
| mov -16(%rax),%rbp |
| mov -24(%rax),%r12 |
| mov -32(%rax),%r13 |
| mov -40(%rax),%r14 |
| mov -48(%rax),%r15 |
| mov %rbx,144($context) # restore context->Rbx |
| mov %rbp,160($context) # restore context->Rbp |
| mov %r12,216($context) # restore context->R12 |
| mov %r13,224($context) # restore context->R13 |
| mov %r14,232($context) # restore context->R14 |
| mov %r15,240($context) # restore context->R14 |
| |
| .Lcommon_seh_tail: |
| 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 \$154,%ecx # sizeof(CONTEXT) |
| .long 0xa548f3fc # cld; rep movsq |
| |
| mov $disp,%rsi |
| xor %rcx,%rcx # arg1, UNW_FLAG_NHANDLER |
| mov 8(%rsi),%rdx # arg2, disp->ImageBase |
| mov 0(%rsi),%r8 # arg3, disp->ControlPc |
| mov 16(%rsi),%r9 # arg4, disp->FunctionEntry |
| mov 40(%rsi),%r10 # disp->ContextRecord |
| lea 56(%rsi),%r11 # &disp->HandlerData |
| lea 24(%rsi),%r12 # &disp->EstablisherFrame |
| mov %r10,32(%rsp) # arg5 |
| mov %r11,40(%rsp) # arg6 |
| mov %r12,48(%rsp) # arg7 |
| mov %rcx,56(%rsp) # arg8, (NULL) |
| call *__imp_RtlVirtualUnwind(%rip) |
| |
| mov \$1,%eax # ExceptionContinueSearch |
| add \$64,%rsp |
| popfq |
| pop %r15 |
| pop %r14 |
| pop %r13 |
| pop %r12 |
| pop %rbp |
| pop %rbx |
| pop %rdi |
| pop %rsi |
| ret |
| .size se_handler,.-se_handler |
| |
| .type ssse3_handler,\@abi-omnipotent |
| .align 16 |
| ssse3_handler: |
| push %rsi |
| push %rdi |
| push %rbx |
| push %rbp |
| push %r12 |
| push %r13 |
| push %r14 |
| push %r15 |
| pushfq |
| sub \$64,%rsp |
| |
| mov 120($context),%rax # pull context->Rax |
| mov 248($context),%rbx # pull context->Rip |
| |
| mov 8($disp),%rsi # disp->ImageBase |
| mov 56($disp),%r11 # disp->HandlerData |
| |
| mov 0(%r11),%r10d # HandlerData[0] |
| lea (%rsi,%r10),%r10 # prologue label |
| cmp %r10,%rbx # context->Rip<prologue label |
| jb .Lcommon_seh_tail |
| |
| mov 192($context),%rax # pull context->R9 |
| |
| mov 4(%r11),%r10d # HandlerData[1] |
| lea (%rsi,%r10),%r10 # epilogue label |
| cmp %r10,%rbx # context->Rip>=epilogue label |
| jae .Lcommon_seh_tail |
| |
| lea -0x28(%rax),%rsi |
| lea 512($context),%rdi # &context.Xmm6 |
| mov \$4,%ecx |
| .long 0xa548f3fc # cld; rep movsq |
| |
| jmp .Lcommon_seh_tail |
| .size ssse3_handler,.-ssse3_handler |
| |
| .type full_handler,\@abi-omnipotent |
| .align 16 |
| full_handler: |
| push %rsi |
| push %rdi |
| push %rbx |
| push %rbp |
| push %r12 |
| push %r13 |
| push %r14 |
| push %r15 |
| pushfq |
| sub \$64,%rsp |
| |
| mov 120($context),%rax # pull context->Rax |
| mov 248($context),%rbx # pull context->Rip |
| |
| mov 8($disp),%rsi # disp->ImageBase |
| mov 56($disp),%r11 # disp->HandlerData |
| |
| mov 0(%r11),%r10d # HandlerData[0] |
| lea (%rsi,%r10),%r10 # prologue label |
| cmp %r10,%rbx # context->Rip<prologue label |
| jb .Lcommon_seh_tail |
| |
| mov 192($context),%rax # pull context->R9 |
| |
| mov 4(%r11),%r10d # HandlerData[1] |
| lea (%rsi,%r10),%r10 # epilogue label |
| cmp %r10,%rbx # context->Rip>=epilogue label |
| jae .Lcommon_seh_tail |
| |
| lea -0xa8(%rax),%rsi |
| lea 512($context),%rdi # &context.Xmm6 |
| mov \$20,%ecx |
| .long 0xa548f3fc # cld; rep movsq |
| |
| jmp .Lcommon_seh_tail |
| .size full_handler,.-full_handler |
| |
| .section .pdata |
| .align 4 |
| .rva .LSEH_begin_ChaCha20_ctr32 |
| .rva .LSEH_end_ChaCha20_ctr32 |
| .rva .LSEH_info_ChaCha20_ctr32 |
| |
| .rva .LSEH_begin_ChaCha20_ssse3 |
| .rva .LSEH_end_ChaCha20_ssse3 |
| .rva .LSEH_info_ChaCha20_ssse3 |
| |
| .rva .LSEH_begin_ChaCha20_4x |
| .rva .LSEH_end_ChaCha20_4x |
| .rva .LSEH_info_ChaCha20_4x |
| ___ |
| $code.=<<___ if ($avx>1); |
| .rva .LSEH_begin_ChaCha20_8x |
| .rva .LSEH_end_ChaCha20_8x |
| .rva .LSEH_info_ChaCha20_8x |
| ___ |
| $code.=<<___ if ($avx>2); |
| .rva .LSEH_begin_ChaCha20_avx512 |
| .rva .LSEH_end_ChaCha20_avx512 |
| .rva .LSEH_info_ChaCha20_avx512 |
| |
| .rva .LSEH_begin_ChaCha20_16x |
| .rva .LSEH_end_ChaCha20_16x |
| .rva .LSEH_info_ChaCha20_16x |
| ___ |
| $code.=<<___; |
| .section .xdata |
| .align 8 |
| .LSEH_info_ChaCha20_ctr32: |
| .byte 9,0,0,0 |
| .rva se_handler |
| |
| .LSEH_info_ChaCha20_ssse3: |
| .byte 9,0,0,0 |
| .rva ssse3_handler |
| .rva .Lssse3_body,.Lssse3_epilogue |
| |
| .LSEH_info_ChaCha20_4x: |
| .byte 9,0,0,0 |
| .rva full_handler |
| .rva .L4x_body,.L4x_epilogue |
| ___ |
| $code.=<<___ if ($avx>1); |
| .LSEH_info_ChaCha20_8x: |
| .byte 9,0,0,0 |
| .rva full_handler |
| .rva .L8x_body,.L8x_epilogue # HandlerData[] |
| ___ |
| $code.=<<___ if ($avx>2); |
| .LSEH_info_ChaCha20_avx512: |
| .byte 9,0,0,0 |
| .rva ssse3_handler |
| .rva .Lavx512_body,.Lavx512_epilogue # HandlerData[] |
| |
| .LSEH_info_ChaCha20_16x: |
| .byte 9,0,0,0 |
| .rva full_handler |
| .rva .L16x_body,.L16x_epilogue # HandlerData[] |
| ___ |
| } |
| |
| foreach (split("\n",$code)) { |
| s/\`([^\`]*)\`/eval $1/ge; |
| |
| s/%x#%[yz]/%x/g; # "down-shift" |
| |
| print $_,"\n"; |
| } |
| |
| close STDOUT or die "error closing STDOUT: $!"; |
