diff options
Diffstat (limited to '')
-rwxr-xr-x | crypto/bn/asm/rsaz-avx2.pl | 1863 | ||||
-rwxr-xr-x | crypto/bn/asm/rsaz-x86_64.pl | 1706 |
2 files changed, 3569 insertions, 0 deletions
diff --git a/crypto/bn/asm/rsaz-avx2.pl b/crypto/bn/asm/rsaz-avx2.pl new file mode 100755 index 0000000000..33f20e64a1 --- /dev/null +++ b/crypto/bn/asm/rsaz-avx2.pl @@ -0,0 +1,1863 @@ +#!/usr/bin/env perl + +#****************************************************************************** +#* Copyright(c) 2012, Intel Corp. +#* Developers and authors: +#* Shay Gueron (1, 2), and Vlad Krasnov (1) +#* (1) Intel Corporation, Israel Development Center, Haifa, Israel +#* (2) University of Haifa, Israel +#****************************************************************************** +#* LICENSE: +#* This submission to OpenSSL is to be made available under the OpenSSL +#* license, and only to the OpenSSL project, in order to allow integration +#* into the publicly distributed code. +#* The use of this code, or portions of this code, or concepts embedded in +#* this code, or modification of this code and/or algorithm(s) in it, or the +#* use of this code for any other purpose than stated above, requires special +#* licensing. +#****************************************************************************** +#* DISCLAIMER: +#* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS AND THE COPYRIGHT OWNERS +#* ``AS IS''. ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED +#* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +#* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS OR THE COPYRIGHT +#* OWNERS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, +#* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +#* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +#* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +#* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +#* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +#* POSSIBILITY OF SUCH DAMAGE. +#****************************************************************************** +#* Reference: +#* [1] S. Gueron, V. Krasnov: "Software Implementation of Modular +#* Exponentiation, Using Advanced Vector Instructions Architectures", +#* F. Ozbudak and F. Rodriguez-Henriquez (Eds.): WAIFI 2012, LNCS 7369, +#* pp. 119?135, 2012. Springer-Verlag Berlin Heidelberg 2012 +#* [2] S. Gueron: "Efficient Software Implementations of Modular +#* Exponentiation", Journal of Cryptographic Engineering 2:31-43 (2012). +#* [3] S. Gueron, V. Krasnov: "Speeding up Big-numbers Squaring",IEEE +#* Proceedings of 9th International Conference on Information Technology: +#* New Generations (ITNG 2012), pp.821-823 (2012) +#* [4] S. Gueron, V. Krasnov: "[PATCH] Efficient and side channel analysis +#* resistant 1024-bit modular exponentiation, for optimizing RSA2048 +#* on AVX2 capable x86_64 platforms", +#* http://rt.openssl.org/Ticket/Display.html?id=2850&user=guest&pass=guest +#****************************************************************************** + +# +10% improvement by <appro@openssl.org> +# +# rsa2048 sign/sec OpenSSL 1.0.1 scalar(*) this +# 2GHz Haswell 544 632/+16% 947/+74% +# +# (*) if system doesn't support AVX2, for reference purposes; + +$flavour = shift; +$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) + ($1>=2.11); +} + +if (!$avx && $win64 && ($flavour =~ /masm/ || $ENV{ASM} =~ /ml64/) && + `ml64 2>&1` =~ /Version ([0-9]+)\./) { + $avx = ($1>=10) + ($1>=11); +} + +open OUT,"| $^X $xlate $flavour $output"; +*STDOUT = *OUT; + +if ($avx>1) {{{ +{ # void AMS_WW( +my $rp="%rdi"; # BN_ULONG *rp, +my $ap="%rsi"; # const BN_ULONG *ap, +my $np="%rdx"; # const BN_ULONG *np, +my $n0="%ecx"; # const BN_ULONG n0, +my $rep="%r8d"; # int repeat); + +# The registers that hold the accumulated redundant result +# The AMM works on 1024 bit operands, and redundant word size is 29 +# Therefore: ceil(1024/29)/4 = 9 +my $ACC0="%ymm0"; +my $ACC1="%ymm1"; +my $ACC2="%ymm2"; +my $ACC3="%ymm3"; +my $ACC4="%ymm4"; +my $ACC5="%ymm5"; +my $ACC6="%ymm6"; +my $ACC7="%ymm7"; +my $ACC8="%ymm8"; +my $ACC9="%ymm9"; +# Registers that hold the broadcasted words of bp, currently used +my $B1="%ymm10"; +my $B2="%ymm11"; +# Registers that hold the broadcasted words of Y, currently used +my $Y1="%ymm12"; +my $Y2="%ymm13"; +# Helper registers +my $TEMP1="%ymm14"; +my $AND_MASK="%ymm15"; +# alu registers that hold the first words of the ACC +my $r0="%r9"; +my $r1="%r10"; +my $r2="%r11"; +my $r3="%r12"; + +my $i="%r14d"; # loop counter +my $tmp = "%r15"; + +my $FrameSize=32*18+32*8; # place for A^2 and 2*A + +my $aap=$r0; +my $tp0="%rbx"; +my $tp1=$r3; + +$np="%r13"; # reassigned argument + +$code.=<<___; +.globl rsaz_1024_sqr_avx2 +.type rsaz_1024_sqr_avx2,\@function,5 +.align 64 +rsaz_1024_sqr_avx2: # 702 cycles, 14% faster than rsaz_1024_mul_avx2 + lea (%rsp), %rax + push %rbx + push %rbp + push %r12 + push %r13 + push %r14 + push %r15 +___ +$code.=<<___ if ($win64); + lea -0xa8(%rsp),%rsp + movaps %xmm6,-0xd8(%rax) + movaps %xmm7,-0xc8(%rax) + movaps %xmm8,-0xb8(%rax) + movaps %xmm9,-0xa8(%rax) + movaps %xmm10,-0x98(%rax) + movaps %xmm11,-0x88(%rax) + movaps %xmm12,-0x78(%rax) + movaps %xmm13,-0x68(%rax) + movaps %xmm14,-0x58(%rax) + movaps %xmm15,-0x48(%rax) +.Lsqr_1024_body: +___ +$code.=<<___; + mov %rax,%rbp + vzeroall + mov %rdx, $np # reassigned argument + sub \$$FrameSize, %rsp + mov $np, $tmp + sub \$-128, $rp # size optimization + sub \$-128, $ap + sub \$-128, $np + + and \$4095, $tmp # see if $np crosses page + add \$32*10, $tmp + shr \$12, $tmp + jz .Lsqr_1024_no_n_copy + + # unaligned 256-bit load that crosses page boundary can + # cause >2x performance degradation here, so if $np does + # cross page boundary, copy it to stack and make sure stack + # frame doesn't... + sub \$32*10,%rsp + vmovdqu 32*0-128($np), $ACC0 + and \$-2048, %rsp + vmovdqu 32*1-128($np), $ACC1 + vmovdqu 32*2-128($np), $ACC2 + vmovdqu 32*3-128($np), $ACC3 + vmovdqu 32*4-128($np), $ACC4 + vmovdqu 32*5-128($np), $ACC5 + vmovdqu 32*6-128($np), $ACC6 + vmovdqu 32*7-128($np), $ACC7 + vmovdqu 32*8-128($np), $ACC8 + lea $FrameSize+128(%rsp),$np + vmovdqu $ACC0, 32*0-128($np) + vmovdqu $ACC1, 32*1-128($np) + vmovdqu $ACC2, 32*2-128($np) + vmovdqu $ACC3, 32*3-128($np) + vmovdqu $ACC4, 32*4-128($np) + vmovdqu $ACC5, 32*5-128($np) + vmovdqu $ACC6, 32*6-128($np) + vmovdqu $ACC7, 32*7-128($np) + vmovdqu $ACC8, 32*8-128($np) + vmovdqu $ACC9, 32*9-128($np) # $ACC9 is zero after vzeroall + +.Lsqr_1024_no_n_copy: + and \$-1024, %rsp + + vmovdqu 32*1-128($ap), $ACC1 + vmovdqu 32*2-128($ap), $ACC2 + vmovdqu 32*3-128($ap), $ACC3 + vmovdqu 32*4-128($ap), $ACC4 + vmovdqu 32*5-128($ap), $ACC5 + vmovdqu 32*6-128($ap), $ACC6 + vmovdqu 32*7-128($ap), $ACC7 + vmovdqu 32*8-128($ap), $ACC8 + + lea 192(%rsp), $tp0 # 64+128=192 + vpbroadcastq .Land_mask(%rip), $AND_MASK + jmp .LOOP_GRANDE_SQR_1024 + +.align 32 +.LOOP_GRANDE_SQR_1024: + lea 32*18+128(%rsp), $aap # size optimization + lea 448(%rsp), $tp1 # 64+128+256=448 + + # the squaring is performed as described in Variant B of + # "Speeding up Big-Number Squaring", so start by calculating + # the A*2=A+A vector + vpaddq $ACC1, $ACC1, $ACC1 + vpbroadcastq 32*0-128($ap), $B1 + vpaddq $ACC2, $ACC2, $ACC2 + vmovdqa $ACC1, 32*0-128($aap) + vpaddq $ACC3, $ACC3, $ACC3 + vmovdqa $ACC2, 32*1-128($aap) + vpaddq $ACC4, $ACC4, $ACC4 + vmovdqa $ACC3, 32*2-128($aap) + vpaddq $ACC5, $ACC5, $ACC5 + vmovdqa $ACC4, 32*3-128($aap) + vpaddq $ACC6, $ACC6, $ACC6 + vmovdqa $ACC5, 32*4-128($aap) + vpaddq $ACC7, $ACC7, $ACC7 + vmovdqa $ACC6, 32*5-128($aap) + vpaddq $ACC8, $ACC8, $ACC8 + vmovdqa $ACC7, 32*6-128($aap) + vpxor $ACC9, $ACC9, $ACC9 + vmovdqa $ACC8, 32*7-128($aap) + + vpmuludq 32*0-128($ap), $B1, $ACC0 + vpbroadcastq 32*1-128($ap), $B2 + vmovdqu $ACC9, 32*9-192($tp0) # zero upper half + vpmuludq $B1, $ACC1, $ACC1 + vmovdqu $ACC9, 32*10-448($tp1) + vpmuludq $B1, $ACC2, $ACC2 + vmovdqu $ACC9, 32*11-448($tp1) + vpmuludq $B1, $ACC3, $ACC3 + vmovdqu $ACC9, 32*12-448($tp1) + vpmuludq $B1, $ACC4, $ACC4 + vmovdqu $ACC9, 32*13-448($tp1) + vpmuludq $B1, $ACC5, $ACC5 + vmovdqu $ACC9, 32*14-448($tp1) + vpmuludq $B1, $ACC6, $ACC6 + vmovdqu $ACC9, 32*15-448($tp1) + vpmuludq $B1, $ACC7, $ACC7 + vmovdqu $ACC9, 32*16-448($tp1) + vpmuludq $B1, $ACC8, $ACC8 + vpbroadcastq 32*2-128($ap), $B1 + vmovdqu $ACC9, 32*17-448($tp1) + + xor $tmp, $tmp + mov \$4, $i + jmp .Lentry_1024 +___ +$TEMP0=$Y1; +$TEMP2=$Y2; +$code.=<<___; +.align 32 +.LOOP_SQR_1024: + vmovdqu 32*0(%rsp,$tmp), $TEMP0 # 32*0-192($tp0,$tmp) + vmovdqu 32*1(%rsp,$tmp), $TEMP1 # 32*1-192($tp0,$tmp) + vpbroadcastq 32*1-128($ap,$tmp), $B2 + vpmuludq 32*0-128($ap), $B1, $ACC0 + vmovdqu 32*2-192($tp0,$tmp), $TEMP2 + vpaddq $TEMP0, $ACC0, $ACC0 + vpmuludq 32*0-128($aap), $B1, $ACC1 + vmovdqu 32*3-192($tp0,$tmp), $TEMP0 + vpaddq $TEMP1, $ACC1, $ACC1 + vpmuludq 32*1-128($aap), $B1, $ACC2 + vmovdqu 32*4-192($tp0,$tmp), $TEMP1 + vpaddq $TEMP2, $ACC2, $ACC2 + vpmuludq 32*2-128($aap), $B1, $ACC3 + vmovdqu 32*5-192($tp0,$tmp), $TEMP2 + vpaddq $TEMP0, $ACC3, $ACC3 + vpmuludq 32*3-128($aap), $B1, $ACC4 + vmovdqu 32*6-192($tp0,$tmp), $TEMP0 + vpaddq $TEMP1, $ACC4, $ACC4 + vpmuludq 32*4-128($aap), $B1, $ACC5 + vmovdqu 32*7-192($tp0,$tmp), $TEMP1 + vpaddq $TEMP2, $ACC5, $ACC5 + vpmuludq 32*5-128($aap), $B1, $ACC6 + vmovdqu 32*8-192($tp0,$tmp), $TEMP2 + vpaddq $TEMP0, $ACC6, $ACC6 + vpmuludq 32*6-128($aap), $B1, $ACC7 + vpaddq $TEMP1, $ACC7, $ACC7 + vpmuludq 32*7-128($aap), $B1, $ACC8 + vpbroadcastq 32*2-128($ap,$tmp), $B1 + vpaddq $TEMP2, $ACC8, $ACC8 +.Lentry_1024: + vmovdqu $ACC0, 32*0(%rsp,$tmp) # 32*0-192($tp0,$tmp) + vmovdqu $ACC1, 32*1(%rsp,$tmp) # 32*1-192($tp0,$tmp) + + vpmuludq 32*1-128($ap), $B2, $TEMP0 + vpaddq $TEMP0, $ACC2, $ACC2 + vpmuludq 32*1-128($aap), $B2, $TEMP1 + vpaddq $TEMP1, $ACC3, $ACC3 + vpmuludq 32*2-128($aap), $B2, $TEMP2 + vpaddq $TEMP2, $ACC4, $ACC4 + vpmuludq 32*3-128($aap), $B2, $TEMP0 + vpaddq $TEMP0, $ACC5, $ACC5 + vpmuludq 32*4-128($aap), $B2, $TEMP1 + vpaddq $TEMP1, $ACC6, $ACC6 + vpmuludq 32*5-128($aap), $B2, $TEMP2 + vmovdqu 32*9-192($tp0,$tmp), $TEMP1 + vpaddq $TEMP2, $ACC7, $ACC7 + vpmuludq 32*6-128($aap), $B2, $TEMP0 + vpaddq $TEMP0, $ACC8, $ACC8 + vpmuludq 32*7-128($aap), $B2, $ACC0 + vpbroadcastq 32*3-128($ap,$tmp), $B2 + vpaddq $TEMP1, $ACC0, $ACC0 + + vmovdqu $ACC2, 32*2-192($tp0,$tmp) + vmovdqu $ACC3, 32*3-192($tp0,$tmp) + + vpmuludq 32*2-128($ap), $B1, $TEMP2 + vpaddq $TEMP2, $ACC4, $ACC4 + vpmuludq 32*2-128($aap), $B1, $TEMP0 + vpaddq $TEMP0, $ACC5, $ACC5 + vpmuludq 32*3-128($aap), $B1, $TEMP1 + vpaddq $TEMP1, $ACC6, $ACC6 + vpmuludq 32*4-128($aap), $B1, $TEMP2 + vpaddq $TEMP2, $ACC7, $ACC7 + vpmuludq 32*5-128($aap), $B1, $TEMP0 + vmovdqu 32*10-448($tp1,$tmp), $TEMP2 + vpaddq $TEMP0, $ACC8, $ACC8 + vpmuludq 32*6-128($aap), $B1, $TEMP1 + vpaddq $TEMP1, $ACC0, $ACC0 + vpmuludq 32*7-128($aap), $B1, $ACC1 + vpbroadcastq 32*4-128($ap,$tmp), $B1 + vpaddq $TEMP2, $ACC1, $ACC1 + + vmovdqu $ACC4, 32*4-192($tp0,$tmp) + vmovdqu $ACC5, 32*5-192($tp0,$tmp) + + vpmuludq 32*3-128($ap), $B2, $TEMP0 + vpaddq $TEMP0, $ACC6, $ACC6 + vpmuludq 32*3-128($aap), $B2, $TEMP1 + vpaddq $TEMP1, $ACC7, $ACC7 + vpmuludq 32*4-128($aap), $B2, $TEMP2 + vpaddq $TEMP2, $ACC8, $ACC8 + vpmuludq 32*5-128($aap), $B2, $TEMP0 + vmovdqu 32*11-448($tp1,$tmp), $TEMP2 + vpaddq $TEMP0, $ACC0, $ACC0 + vpmuludq 32*6-128($aap), $B2, $TEMP1 + vpaddq $TEMP1, $ACC1, $ACC1 + vpmuludq 32*7-128($aap), $B2, $ACC2 + vpbroadcastq 32*5-128($ap,$tmp), $B2 + vpaddq $TEMP2, $ACC2, $ACC2 + + vmovdqu $ACC6, 32*6-192($tp0,$tmp) + vmovdqu $ACC7, 32*7-192($tp0,$tmp) + + vpmuludq 32*4-128($ap), $B1, $TEMP0 + vpaddq $TEMP0, $ACC8, $ACC8 + vpmuludq 32*4-128($aap), $B1, $TEMP1 + vpaddq $TEMP1, $ACC0, $ACC0 + vpmuludq 32*5-128($aap), $B1, $TEMP2 + vmovdqu 32*12-448($tp1,$tmp), $TEMP1 + vpaddq $TEMP2, $ACC1, $ACC1 + vpmuludq 32*6-128($aap), $B1, $TEMP0 + vpaddq $TEMP0, $ACC2, $ACC2 + vpmuludq 32*7-128($aap), $B1, $ACC3 + vpbroadcastq 32*6-128($ap,$tmp), $B1 + vpaddq $TEMP1, $ACC3, $ACC3 + + vmovdqu $ACC8, 32*8-192($tp0,$tmp) + vmovdqu $ACC0, 32*9-192($tp0,$tmp) + + vpmuludq 32*5-128($ap), $B2, $TEMP2 + vpaddq $TEMP2, $ACC1, $ACC1 + vpmuludq 32*5-128($aap), $B2, $TEMP0 + vmovdqu 32*13-448($tp1,$tmp), $TEMP2 + vpaddq $TEMP0, $ACC2, $ACC2 + vpmuludq 32*6-128($aap), $B2, $TEMP1 + vpaddq $TEMP1, $ACC3, $ACC3 + vpmuludq 32*7-128($aap), $B2, $ACC4 + vpbroadcastq 32*7-128($ap,$tmp), $B2 + vpaddq $TEMP2, $ACC4, $ACC4 + + vmovdqu $ACC1, 32*10-448($tp1,$tmp) + vmovdqu $ACC2, 32*11-448($tp1,$tmp) + + vpmuludq 32*6-128($ap), $B1, $TEMP0 + vmovdqu 32*14-448($tp1,$tmp), $TEMP2 + vpaddq $TEMP0, $ACC3, $ACC3 + vpmuludq 32*6-128($aap), $B1, $TEMP1 + vpbroadcastq 32*8-128($ap,$tmp), $ACC0 # borrow $ACC0 for $B1 + vpaddq $TEMP1, $ACC4, $ACC4 + vpmuludq 32*7-128($aap), $B1, $ACC5 + vpbroadcastq 32*0+8-128($ap,$tmp), $B1 # for next iteration + vpaddq $TEMP2, $ACC5, $ACC5 + vmovdqu 32*15-448($tp1,$tmp), $TEMP1 + + vmovdqu $ACC3, 32*12-448($tp1,$tmp) + vmovdqu $ACC4, 32*13-448($tp1,$tmp) + + vpmuludq 32*7-128($ap), $B2, $TEMP0 + vmovdqu 32*16-448($tp1,$tmp), $TEMP2 + vpaddq $TEMP0, $ACC5, $ACC5 + vpmuludq 32*7-128($aap), $B2, $ACC6 + vpaddq $TEMP1, $ACC6, $ACC6 + + vpmuludq 32*8-128($ap), $ACC0, $ACC7 + vmovdqu $ACC5, 32*14-448($tp1,$tmp) + vpaddq $TEMP2, $ACC7, $ACC7 + vmovdqu $ACC6, 32*15-448($tp1,$tmp) + vmovdqu $ACC7, 32*16-448($tp1,$tmp) + + lea 8($tmp), $tmp + dec $i + jnz .LOOP_SQR_1024 +___ +$ZERO = $ACC9; +$TEMP0 = $B1; +$TEMP2 = $B2; +$TEMP3 = $Y1; +$TEMP4 = $Y2; +$code.=<<___; + #we need to fix indexes 32-39 to avoid overflow + vmovdqu 32*8-192($tp0), $ACC8 + vmovdqu 32*9-192($tp0), $ACC1 + vmovdqu 32*10-448($tp1), $ACC2 + + vpsrlq \$29, $ACC8, $TEMP1 + vpand $AND_MASK, $ACC8, $ACC8 + vpsrlq \$29, $ACC1, $TEMP2 + vpand $AND_MASK, $ACC1, $ACC1 + + vpermq \$0x93, $TEMP1, $TEMP1 + vpxor $ZERO, $ZERO, $ZERO + vpermq \$0x93, $TEMP2, $TEMP2 + + vpblendd \$3, $ZERO, $TEMP1, $TEMP0 + vpblendd \$3, $TEMP1, $TEMP2, $TEMP1 + vpaddq $TEMP0, $ACC8, $ACC8 + vpblendd \$3, $TEMP2, $ZERO, $TEMP2 + vpaddq $TEMP1, $ACC1, $ACC1 + vpaddq $TEMP2, $ACC2, $ACC2 + vmovdqu $ACC1, 32*9-192($tp0) + vmovdqu $ACC2, 32*10-448($tp1) + + mov (%rsp), %rax + mov 8(%rsp), $r1 + mov 16(%rsp), $r2 + mov 24(%rsp), $r3 + vmovdqu 32*1(%rsp), $ACC1 + vmovdqu 32*2-192($tp0), $ACC2 + vmovdqu 32*3-192($tp0), $ACC3 + vmovdqu 32*4-192($tp0), $ACC4 + vmovdqu 32*5-192($tp0), $ACC5 + vmovdqu 32*6-192($tp0), $ACC6 + vmovdqu 32*7-192($tp0), $ACC7 + + mov %rax, $r0 + imull $n0, %eax + and \$0x1fffffff, %eax + vmovd %eax, $Y1 + + mov %rax, %rdx + imulq -128($np), %rax + vpbroadcastq $Y1, $Y1 + add %rax, $r0 + mov %rdx, %rax + imulq 8-128($np), %rax + shr \$29, $r0 + add %rax, $r1 + mov %rdx, %rax + imulq 16-128($np), %rax + add $r0, $r1 + add %rax, $r2 + imulq 24-128($np), %rdx + add %rdx, $r3 + + mov $r1, %rax + imull $n0, %eax + and \$0x1fffffff, %eax + + mov \$9, $i + jmp .LOOP_REDUCE_1024 + +.align 32 +.LOOP_REDUCE_1024: + vmovd %eax, $Y2 + vpbroadcastq $Y2, $Y2 + + vpmuludq 32*1-128($np), $Y1, $TEMP0 + mov %rax, %rdx + imulq -128($np), %rax + vpaddq $TEMP0, $ACC1, $ACC1 + vpmuludq 32*2-128($np), $Y1, $TEMP1 + add %rax, $r1 + mov %rdx, %rax + imulq 8-128($np), %rax + vpaddq $TEMP1, $ACC2, $ACC2 + vpmuludq 32*3-128($np), $Y1, $TEMP2 + add %rax, $r2 + mov %rdx, %rax + imulq 16-128($np), %rax + shr \$29, $r1 + vpaddq $TEMP2, $ACC3, $ACC3 + vpmuludq 32*4-128($np), $Y1, $TEMP0 + add %rax, $r3 + add $r1, $r2 + vpaddq $TEMP0, $ACC4, $ACC4 + vpmuludq 32*5-128($np), $Y1, $TEMP1 + mov $r2, %rax + imull $n0, %eax + vpaddq $TEMP1, $ACC5, $ACC5 + vpmuludq 32*6-128($np), $Y1, $TEMP2 + and \$0x1fffffff, %eax + vpaddq $TEMP2, $ACC6, $ACC6 + vpmuludq 32*7-128($np), $Y1, $TEMP0 + vpaddq $TEMP0, $ACC7, $ACC7 + vpmuludq 32*8-128($np), $Y1, $TEMP1 + vmovd %eax, $Y1 + vmovdqu 32*1-8-128($np), $TEMP2 + vpaddq $TEMP1, $ACC8, $ACC8 + vmovdqu 32*2-8-128($np), $TEMP0 + vpbroadcastq $Y1, $Y1 + + vpmuludq $Y2, $TEMP2, $TEMP2 + vmovdqu 32*3-8-128($np), $TEMP1 + mov %rax, %rdx + imulq -128($np), %rax + vpaddq $TEMP2, $ACC1, $ACC1 + vpmuludq $Y2, $TEMP0, $TEMP0 + vmovdqu 32*4-8-128($np), $TEMP2 + add %rax, $r2 + mov %rdx, %rax + imulq 8-128($np), %rax + vpaddq $TEMP0, $ACC2, $ACC2 + add $r3, %rax + shr \$29, $r2 + vpmuludq $Y2, $TEMP1, $TEMP1 + vmovdqu 32*5-8-128($np), $TEMP0 + add $r2, %rax + vpaddq $TEMP1, $ACC3, $ACC3 + vpmuludq $Y2, $TEMP2, $TEMP2 + vmovdqu 32*6-8-128($np), $TEMP1 + mov %rax, $r3 + imull $n0, %eax + vpaddq $TEMP2, $ACC4, $ACC4 + vpmuludq $Y2, $TEMP0, $TEMP0 + vmovdqu 32*7-8-128($np), $TEMP2 + and \$0x1fffffff, %eax + vpaddq $TEMP0, $ACC5, $ACC5 + vpmuludq $Y2, $TEMP1, $TEMP1 + vmovdqu 32*8-8-128($np), $TEMP0 + vpaddq $TEMP1, $ACC6, $ACC6 + vpmuludq $Y2, $TEMP2, $TEMP2 + vmovdqu 32*9-8-128($np), $ACC9 + vmovd %eax, $ACC0 # borrow ACC0 for Y2 + imulq -128($np), %rax + vpaddq $TEMP2, $ACC7, $ACC7 + vpmuludq $Y2, $TEMP0, $TEMP0 + vmovdqu 32*1-16-128($np), $TEMP1 + vpbroadcastq $ACC0, $ACC0 + vpaddq $TEMP0, $ACC8, $ACC8 + vpmuludq $Y2, $ACC9, $ACC9 + vmovdqu 32*2-16-128($np), $TEMP2 + add %rax, $r3 + +___ +($ACC0,$Y2)=($Y2,$ACC0); +$code.=<<___; + vmovdqu 32*1-24-128($np), $ACC0 + vpmuludq $Y1, $TEMP1, $TEMP1 + vmovdqu 32*3-16-128($np), $TEMP0 + vpaddq $TEMP1, $ACC1, $ACC1 + vpmuludq $Y2, $ACC0, $ACC0 + vpmuludq $Y1, $TEMP2, $TEMP2 + vmovdqu 32*4-16-128($np), $TEMP1 + vpaddq $ACC1, $ACC0, $ACC0 + vpaddq $TEMP2, $ACC2, $ACC2 + vpmuludq $Y1, $TEMP0, $TEMP0 + vmovdqu 32*5-16-128($np), $TEMP2 + vmovq $ACC0, %rax + vmovdqu $ACC0, (%rsp) # transfer $r0-$r3 + vpaddq $TEMP0, $ACC3, $ACC3 + vpmuludq $Y1, $TEMP1, $TEMP1 + vmovdqu 32*6-16-128($np), $TEMP0 + vpaddq $TEMP1, $ACC4, $ACC4 + vpmuludq $Y1, $TEMP2, $TEMP2 + vmovdqu 32*7-16-128($np), $TEMP1 + vpaddq $TEMP2, $ACC5, $ACC5 + vpmuludq $Y1, $TEMP0, $TEMP0 + vmovdqu 32*8-16-128($np), $TEMP2 + vpaddq $TEMP0, $ACC6, $ACC6 + vpmuludq $Y1, $TEMP1, $TEMP1 + vmovdqu 32*9-16-128($np), $TEMP0 + shr \$29, $r3 + vpaddq $TEMP1, $ACC7, $ACC7 + vpmuludq $Y1, $TEMP2, $TEMP2 + vmovdqu 32*2-24-128($np), $TEMP1 + add $r3, %rax + mov %rax, $r0 + imull $n0, %eax + vpaddq $TEMP2, $ACC8, $ACC8 + vpmuludq $Y1, $TEMP0, $TEMP0 + and \$0x1fffffff, %eax + vmovd %eax, $Y1 + vmovdqu 32*3-24-128($np), $TEMP2 + vpaddq $TEMP0, $ACC9, $ACC9 + vpbroadcastq $Y1, $Y1 + + vpmuludq $Y2, $TEMP1, $TEMP1 + vmovdqu 32*4-24-128($np), $TEMP0 + mov %rax, %rdx + imulq -128($np), %rax + mov 8(%rsp), $r1 + vpaddq $TEMP1, $ACC2, $ACC1 + vpmuludq $Y2, $TEMP2, $TEMP2 + vmovdqu 32*5-24-128($np), $TEMP1 + add %rax, $r0 + mov %rdx, %rax + imulq 8-128($np), %rax + shr \$29, $r0 + mov 16(%rsp), $r2 + vpaddq $TEMP2, $ACC3, $ACC2 + vpmuludq $Y2, $TEMP0, $TEMP0 + vmovdqu 32*6-24-128($np), $TEMP2 + add %rax, $r1 + mov %rdx, %rax + imulq 16-128($np), %rax + vpaddq $TEMP0, $ACC4, $ACC3 + vpmuludq $Y2, $TEMP1, $TEMP1 + vmovdqu 32*7-24-128($np), $TEMP0 + imulq 24-128($np), %rdx # future $r3 + add %rax, $r2 + lea ($r0,$r1), %rax + vpaddq $TEMP1, $ACC5, $ACC4 + vpmuludq $Y2, $TEMP2, $TEMP2 + vmovdqu 32*8-24-128($np), $TEMP1 + mov %rax, $r1 + imull $n0, %eax + vpaddq $TEMP2, $ACC6, $ACC5 + vpmuludq $Y2, $TEMP0, $TEMP0 + vmovdqu 32*9-24-128($np), $TEMP2 + and \$0x1fffffff, %eax + vpaddq $TEMP0, $ACC7, $ACC6 + vpmuludq $Y2, $TEMP1, $TEMP1 + add 24(%rsp), %rdx + vpaddq $TEMP1, $ACC8, $ACC7 + vpmuludq $Y2, $TEMP2, $TEMP2 + vpaddq $TEMP2, $ACC9, $ACC8 + vmovq $r3, $ACC9 + mov %rdx, $r3 + + dec $i + jnz .LOOP_REDUCE_1024 +___ +($ACC0,$Y2)=($Y2,$ACC0); +$code.=<<___; + lea 448(%rsp), $tp1 # size optimization + vpaddq $ACC9, $Y2, $ACC0 + vpxor $ZERO, $ZERO, $ZERO + + vpaddq 32*9-192($tp0), $ACC0, $ACC0 + vpaddq 32*10-448($tp1), $ACC1, $ACC1 + vpaddq 32*11-448($tp1), $ACC2, $ACC2 + vpaddq 32*12-448($tp1), $ACC3, $ACC3 + vpaddq 32*13-448($tp1), $ACC4, $ACC4 + vpaddq 32*14-448($tp1), $ACC5, $ACC5 + vpaddq 32*15-448($tp1), $ACC6, $ACC6 + vpaddq 32*16-448($tp1), $ACC7, $ACC7 + vpaddq 32*17-448($tp1), $ACC8, $ACC8 + + vpsrlq \$29, $ACC0, $TEMP1 + vpand $AND_MASK, $ACC0, $ACC0 + vpsrlq \$29, $ACC1, $TEMP2 + vpand $AND_MASK, $ACC1, $ACC1 + vpsrlq \$29, $ACC2, $TEMP3 + vpermq \$0x93, $TEMP1, $TEMP1 + vpand $AND_MASK, $ACC2, $ACC2 + vpsrlq \$29, $ACC3, $TEMP4 + vpermq \$0x93, $TEMP2, $TEMP2 + vpand $AND_MASK, $ACC3, $ACC3 + vpermq \$0x93, $TEMP3, $TEMP3 + + vpblendd \$3, $ZERO, $TEMP1, $TEMP0 + vpermq \$0x93, $TEMP4, $TEMP4 + vpblendd \$3, $TEMP1, $TEMP2, $TEMP1 + vpaddq $TEMP0, $ACC0, $ACC0 + vpblendd \$3, $TEMP2, $TEMP3, $TEMP2 + vpaddq $TEMP1, $ACC1, $ACC1 + vpblendd \$3, $TEMP3, $TEMP4, $TEMP3 + vpaddq $TEMP2, $ACC2, $ACC2 + vpblendd \$3, $TEMP4, $ZERO, $TEMP4 + vpaddq $TEMP3, $ACC3, $ACC3 + vpaddq $TEMP4, $ACC4, $ACC4 + + vpsrlq \$29, $ACC0, $TEMP1 + vpand $AND_MASK, $ACC0, $ACC0 + vpsrlq \$29, $ACC1, $TEMP2 + vpand $AND_MASK, $ACC1, $ACC1 + vpsrlq \$29, $ACC2, $TEMP3 + vpermq \$0x93, $TEMP1, $TEMP1 + vpand $AND_MASK, $ACC2, $ACC2 + vpsrlq \$29, $ACC3, $TEMP4 + vpermq \$0x93, $TEMP2, $TEMP2 + vpand $AND_MASK, $ACC3, $ACC3 + vpermq \$0x93, $TEMP3, $TEMP3 + + vpblendd \$3, $ZERO, $TEMP1, $TEMP0 + vpermq \$0x93, $TEMP4, $TEMP4 + vpblendd \$3, $TEMP1, $TEMP2, $TEMP1 + vpaddq $TEMP0, $ACC0, $ACC0 + vpblendd \$3, $TEMP2, $TEMP3, $TEMP2 + vpaddq $TEMP1, $ACC1, $ACC1 + vmovdqu $ACC0, 32*0-128($rp) + vpblendd \$3, $TEMP3, $TEMP4, $TEMP3 + vpaddq $TEMP2, $ACC2, $ACC2 + vmovdqu $ACC1, 32*1-128($rp) + vpblendd \$3, $TEMP4, $ZERO, $TEMP4 + vpaddq $TEMP3, $ACC3, $ACC3 + vmovdqu $ACC2, 32*2-128($rp) + vpaddq $TEMP4, $ACC4, $ACC4 + vmovdqu $ACC3, 32*3-128($rp) +___ +$TEMP5=$ACC0; +$code.=<<___; + vpsrlq \$29, $ACC4, $TEMP1 + vpand $AND_MASK, $ACC4, $ACC4 + vpsrlq \$29, $ACC5, $TEMP2 + vpand $AND_MASK, $ACC5, $ACC5 + vpsrlq \$29, $ACC6, $TEMP3 + vpermq \$0x93, $TEMP1, $TEMP1 + vpand $AND_MASK, $ACC6, $ACC6 + vpsrlq \$29, $ACC7, $TEMP4 + vpermq \$0x93, $TEMP2, $TEMP2 + vpand $AND_MASK, $ACC7, $ACC7 + vpsrlq \$29, $ACC8, $TEMP5 + vpermq \$0x93, $TEMP3, $TEMP3 + vpand $AND_MASK, $ACC8, $ACC8 + vpermq \$0x93, $TEMP4, $TEMP4 + + vpblendd \$3, $ZERO, $TEMP1, $TEMP0 + vpermq \$0x93, $TEMP5, $TEMP5 + vpblendd \$3, $TEMP1, $TEMP2, $TEMP1 + vpaddq $TEMP0, $ACC4, $ACC4 + vpblendd \$3, $TEMP2, $TEMP3, $TEMP2 + vpaddq $TEMP1, $ACC5, $ACC5 + vpblendd \$3, $TEMP3, $TEMP4, $TEMP3 + vpaddq $TEMP2, $ACC6, $ACC6 + vpblendd \$3, $TEMP4, $TEMP5, $TEMP4 + vpaddq $TEMP3, $ACC7, $ACC7 + vpaddq $TEMP4, $ACC8, $ACC8 + + vpsrlq \$29, $ACC4, $TEMP1 + vpand $AND_MASK, $ACC4, $ACC4 + vpsrlq \$29, $ACC5, $TEMP2 + vpand $AND_MASK, $ACC5, $ACC5 + vpsrlq \$29, $ACC6, $TEMP3 + vpermq \$0x93, $TEMP1, $TEMP1 + vpand $AND_MASK, $ACC6, $ACC6 + vpsrlq \$29, $ACC7, $TEMP4 + vpermq \$0x93, $TEMP2, $TEMP2 + vpand $AND_MASK, $ACC7, $ACC7 + vpsrlq \$29, $ACC8, $TEMP5 + vpermq \$0x93, $TEMP3, $TEMP3 + vpand $AND_MASK, $ACC8, $ACC8 + vpermq \$0x93, $TEMP4, $TEMP4 + + vpblendd \$3, $ZERO, $TEMP1, $TEMP0 + vpermq \$0x93, $TEMP5, $TEMP5 + vpblendd \$3, $TEMP1, $TEMP2, $TEMP1 + vpaddq $TEMP0, $ACC4, $ACC4 + vpblendd \$3, $TEMP2, $TEMP3, $TEMP2 + vpaddq $TEMP1, $ACC5, $ACC5 + vmovdqu $ACC4, 32*4-128($rp) + vpblendd \$3, $TEMP3, $TEMP4, $TEMP3 + vpaddq $TEMP2, $ACC6, $ACC6 + vmovdqu $ACC5, 32*5-128($rp) + vpblendd \$3, $TEMP4, $TEMP5, $TEMP4 + vpaddq $TEMP3, $ACC7, $ACC7 + vmovdqu $ACC6, 32*6-128($rp) + vpaddq $TEMP4, $ACC8, $ACC8 + vmovdqu $ACC7, 32*7-128($rp) + vmovdqu $ACC8, 32*8-128($rp) + + mov $rp, $ap + dec $rep + jne .LOOP_GRANDE_SQR_1024 + + vzeroall + mov %rbp, %rax +___ +$code.=<<___ if ($win64); + movaps -0xd8(%rax),%xmm6 + movaps -0xc8(%rax),%xmm7 + movaps -0xb8(%rax),%xmm8 + movaps -0xa8(%rax),%xmm9 + movaps -0x98(%rax),%xmm10 + movaps -0x88(%rax),%xmm11 + movaps -0x78(%rax),%xmm12 + movaps -0x68(%rax),%xmm13 + movaps -0x58(%rax),%xmm14 + movaps -0x48(%rax),%xmm15 +___ +$code.=<<___; + mov -48(%rax),%r15 + mov -40(%rax),%r14 + mov -32(%rax),%r13 + mov -24(%rax),%r12 + mov -16(%rax),%rbp + mov -8(%rax),%rbx + lea (%rax),%rsp # restore %rsp +.Lsqr_1024_epilogue: + ret +.size rsaz_1024_sqr_avx2,.-rsaz_1024_sqr_avx2 +___ +} + +{ # void AMM_WW( +my $rp="%rdi"; # BN_ULONG *rp, +my $ap="%rsi"; # const BN_ULONG *ap, +my $bp="%rdx"; # const BN_ULONG *bp, +my $np="%rcx"; # const BN_ULONG *np, +my $n0="%r8d"; # unsigned int n0); + +# The registers that hold the accumulated redundant result +# The AMM works on 1024 bit operands, and redundant word size is 29 +# Therefore: ceil(1024/29)/4 = 9 +my $ACC0="%ymm0"; +my $ACC1="%ymm1"; +my $ACC2="%ymm2"; +my $ACC3="%ymm3"; +my $ACC4="%ymm4"; +my $ACC5="%ymm5"; +my $ACC6="%ymm6"; +my $ACC7="%ymm7"; +my $ACC8="%ymm8"; +my $ACC9="%ymm9"; + +# Registers that hold the broadcasted words of multiplier, currently used +my $Bi="%ymm10"; +my $Yi="%ymm11"; + +# Helper registers +my $TEMP0=$ACC0; +my $TEMP1="%ymm12"; +my $TEMP2="%ymm13"; +my $ZERO="%ymm14"; +my $AND_MASK="%ymm15"; + +# alu registers that hold the first words of the ACC +my $r0="%r9"; +my $r1="%r10"; +my $r2="%r11"; +my $r3="%r12"; + +my $i="%r14d"; +my $tmp="%r15"; + +$bp="%r13"; # reassigned argument + +$code.=<<___; +.globl rsaz_1024_mul_avx2 +.type rsaz_1024_mul_avx2,\@function,5 +.align 64 +rsaz_1024_mul_avx2: + lea (%rsp), %rax + push %rbx + push %rbp + push %r12 + push %r13 + push %r14 + push %r15 +___ +$code.=<<___ if ($win64); + lea -0xa8(%rsp),%rsp + movaps %xmm6,-0xd8(%rax) + movaps %xmm7,-0xc8(%rax) + movaps %xmm8,-0xb8(%rax) + movaps %xmm9,-0xa8(%rax) + movaps %xmm10,-0x98(%rax) + movaps %xmm11,-0x88(%rax) + movaps %xmm12,-0x78(%rax) + movaps %xmm13,-0x68(%rax) + movaps %xmm14,-0x58(%rax) + movaps %xmm15,-0x48(%rax) +.Lmul_1024_body: +___ +$code.=<<___; + mov %rax,%rbp + vzeroall + mov %rdx, $bp # reassigned argument + sub \$64,%rsp + + # unaligned 256-bit load that crosses page boundary can + # cause severe performance degradation here, so if $ap does + # cross page boundary, swap it with $bp [meaning that caller + # is advised to lay down $ap and $bp next to each other, so + # that only one can cross page boundary]. + mov $ap, $tmp + and \$4095, $tmp + add \$32*10, $tmp + shr \$12, $tmp + mov $ap, $tmp + cmovnz $bp, $ap + cmovnz $tmp, $bp + + mov $np, $tmp + sub \$-128,$ap # size optimization + sub \$-128,$np + sub \$-128,$rp + + and \$4095, $tmp # see if $np crosses page + add \$32*10, $tmp + shr \$12, $tmp + jz .Lmul_1024_no_n_copy + + # unaligned 256-bit load that crosses page boundary can + # cause severe performance degradation here, so if $np does + # cross page boundary, copy it to stack and make sure stack + # frame doesn't... + sub \$32*10,%rsp + vmovdqu 32*0-128($np), $ACC0 + and \$-512, %rsp + vmovdqu 32*1-128($np), $ACC1 + vmovdqu 32*2-128($np), $ACC2 + vmovdqu 32*3-128($np), $ACC3 + vmovdqu 32*4-128($np), $ACC4 + vmovdqu 32*5-128($np), $ACC5 + vmovdqu 32*6-128($np), $ACC6 + vmovdqu 32*7-128($np), $ACC7 + vmovdqu 32*8-128($np), $ACC8 + lea 64+128(%rsp),$np + vmovdqu $ACC0, 32*0-128($np) + vpxor $ACC0, $ACC0, $ACC0 + vmovdqu $ACC1, 32*1-128($np) + vpxor $ACC1, $ACC1, $ACC1 + vmovdqu $ACC2, 32*2-128($np) + vpxor $ACC2, $ACC2, $ACC2 + vmovdqu $ACC3, 32*3-128($np) + vpxor $ACC3, $ACC3, $ACC3 + vmovdqu $ACC4, 32*4-128($np) + vpxor $ACC4, $ACC4, $ACC4 + vmovdqu $ACC5, 32*5-128($np) + vpxor $ACC5, $ACC5, $ACC5 + vmovdqu $ACC6, 32*6-128($np) + vpxor $ACC6, $ACC6, $ACC6 + vmovdqu $ACC7, 32*7-128($np) + vpxor $ACC7, $ACC7, $ACC7 + vmovdqu $ACC8, 32*8-128($np) + vmovdqa $ACC0, $ACC8 + vmovdqu $ACC9, 32*9-128($np) # $ACC9 is zero after vzeroall +.Lmul_1024_no_n_copy: + and \$-64,%rsp + + mov ($bp), %rbx + vpbroadcastq ($bp), $Bi + vmovdqu $ACC0, (%rsp) # clear top of stack + xor $r0, $r0 + xor $r1, $r1 + xor $r2, $r2 + xor $r3, $r3 + + vmovdqu .Land_mask(%rip), $AND_MASK + mov \$9, $i + jmp .Loop_mul_1024 + +.align 32 +.Loop_mul_1024: + vpsrlq \$29, $ACC3, $ACC9 # correct $ACC3(*) + mov %rbx, %rax + imulq -128($ap), %rax + add $r0, %rax + mov %rbx, $r1 + imulq 8-128($ap), $r1 + add 8(%rsp), $r1 + + mov %rax, $r0 + imull $n0, %eax + and \$0x1fffffff, %eax + + mov %rbx, $r2 + imulq 16-128($ap), $r2 + add 16(%rsp), $r2 + + mov %rbx, $r3 + imulq 24-128($ap), $r3 + add 24(%rsp), $r3 + vpmuludq 32*1-128($ap),$Bi,$TEMP0 + vmovd %eax, $Yi + vpaddq $TEMP0,$ACC1,$ACC1 + vpmuludq 32*2-128($ap),$Bi,$TEMP1 + vpbroadcastq $Yi, $Yi + vpaddq $TEMP1,$ACC2,$ACC2 + vpmuludq 32*3-128($ap),$Bi,$TEMP2 + vpand $AND_MASK, $ACC3, $ACC3 # correct $ACC3 + vpaddq $TEMP2,$ACC3,$ACC3 + vpmuludq 32*4-128($ap),$Bi,$TEMP0 + vpaddq $TEMP0,$ACC4,$ACC4 + vpmuludq 32*5-128($ap),$Bi,$TEMP1 + vpaddq $TEMP1,$ACC5,$ACC5 + vpmuludq 32*6-128($ap),$Bi,$TEMP2 + vpaddq $TEMP2,$ACC6,$ACC6 + vpmuludq 32*7-128($ap),$Bi,$TEMP0 + vpermq \$0x93, $ACC9, $ACC9 # correct $ACC3 + vpaddq $TEMP0,$ACC7,$ACC7 + vpmuludq 32*8-128($ap),$Bi,$TEMP1 + vpbroadcastq 8($bp), $Bi + vpaddq $TEMP1,$ACC8,$ACC8 + + mov %rax,%rdx + imulq -128($np),%rax + add %rax,$r0 + mov %rdx,%rax + imulq 8-128($np),%rax + add %rax,$r1 + mov %rdx,%rax + imulq 16-128($np),%rax + add %rax,$r2 + shr \$29, $r0 + imulq 24-128($np),%rdx + add %rdx,$r3 + add $r0, $r1 + + vpmuludq 32*1-128($np),$Yi,$TEMP2 + vmovq $Bi, %rbx + vpaddq $TEMP2,$ACC1,$ACC1 + vpmuludq 32*2-128($np),$Yi,$TEMP0 + vpaddq $TEMP0,$ACC2,$ACC2 + vpmuludq 32*3-128($np),$Yi,$TEMP1 + vpaddq $TEMP1,$ACC3,$ACC3 + vpmuludq 32*4-128($np),$Yi,$TEMP2 + vpaddq $TEMP2,$ACC4,$ACC4 + vpmuludq 32*5-128($np),$Yi,$TEMP0 + vpaddq $TEMP0,$ACC5,$ACC5 + vpmuludq 32*6-128($np),$Yi,$TEMP1 + vpaddq $TEMP1,$ACC6,$ACC6 + vpmuludq 32*7-128($np),$Yi,$TEMP2 + vpblendd \$3, $ZERO, $ACC9, $ACC9 # correct $ACC3 + vpaddq $TEMP2,$ACC7,$ACC7 + vpmuludq 32*8-128($np),$Yi,$TEMP0 + vpaddq $ACC9, $ACC3, $ACC3 # correct $ACC3 + vpaddq $TEMP0,$ACC8,$ACC8 + + mov %rbx, %rax + imulq -128($ap),%rax + add %rax,$r1 + vmovdqu -8+32*1-128($ap),$TEMP1 + mov %rbx, %rax + imulq 8-128($ap),%rax + add %rax,$r2 + vmovdqu -8+32*2-128($ap),$TEMP2 + + mov $r1, %rax + imull $n0, %eax + and \$0x1fffffff, %eax + + imulq 16-128($ap),%rbx + add %rbx,$r3 + vpmuludq $Bi,$TEMP1,$TEMP1 + vmovd %eax, $Yi + vmovdqu -8+32*3-128($ap),$TEMP0 + vpaddq $TEMP1,$ACC1,$ACC1 + vpmuludq $Bi,$TEMP2,$TEMP2 + vpbroadcastq $Yi, $Yi + vmovdqu -8+32*4-128($ap),$TEMP1 + vpaddq $TEMP2,$ACC2,$ACC2 + vpmuludq $Bi,$TEMP0,$TEMP0 + vmovdqu -8+32*5-128($ap),$TEMP2 + vpaddq $TEMP0,$ACC3,$ACC3 + vpmuludq $Bi,$TEMP1,$TEMP1 + vmovdqu -8+32*6-128($ap),$TEMP0 + vpaddq $TEMP1,$ACC4,$ACC4 + vpmuludq $Bi,$TEMP2,$TEMP2 + vmovdqu -8+32*7-128($ap),$TEMP1 + vpaddq $TEMP2,$ACC5,$ACC5 + vpmuludq $Bi,$TEMP0,$TEMP0 + vmovdqu -8+32*8-128($ap),$TEMP2 + vpaddq $TEMP0,$ACC6,$ACC6 + vpmuludq $Bi,$TEMP1,$TEMP1 + vmovdqu -8+32*9-128($ap),$ACC9 + vpaddq $TEMP1,$ACC7,$ACC7 + vpmuludq $Bi,$TEMP2,$TEMP2 + vpaddq $TEMP2,$ACC8,$ACC8 + vpmuludq $Bi,$ACC9,$ACC9 + vpbroadcastq 16($bp), $Bi + + mov %rax,%rdx + imulq -128($np),%rax + add %rax,$r1 + vmovdqu -8+32*1-128($np),$TEMP0 + mov %rdx,%rax + imulq 8-128($np),%rax + add %rax,$r2 + vmovdqu -8+32*2-128($np),$TEMP1 + shr \$29, $r1 + imulq 16-128($np),%rdx + add %rdx,$r3 + add $r1, $r2 + + vpmuludq $Yi,$TEMP0,$TEMP0 + vmovq $Bi, %rbx + vmovdqu -8+32*3-128($np),$TEMP2 + vpaddq $TEMP0,$ACC1,$ACC1 + vpmuludq $Yi,$TEMP1,$TEMP1 + vmovdqu -8+32*4-128($np),$TEMP0 + vpaddq $TEMP1,$ACC2,$ACC2 + vpmuludq $Yi,$TEMP2,$TEMP2 + vmovdqu -8+32*5-128($np),$TEMP1 + vpaddq $TEMP2,$ACC3,$ACC3 + vpmuludq $Yi,$TEMP0,$TEMP0 + vmovdqu -8+32*6-128($np),$TEMP2 + vpaddq $TEMP0,$ACC4,$ACC4 + vpmuludq $Yi,$TEMP1,$TEMP1 + vmovdqu -8+32*7-128($np),$TEMP0 + vpaddq $TEMP1,$ACC5,$ACC5 + vpmuludq $Yi,$TEMP2,$TEMP2 + vmovdqu -8+32*8-128($np),$TEMP1 + vpaddq $TEMP2,$ACC6,$ACC6 + vpmuludq $Yi,$TEMP0,$TEMP0 + vmovdqu -8+32*9-128($np),$TEMP2 + vpaddq $TEMP0,$ACC7,$ACC7 + vpmuludq $Yi,$TEMP1,$TEMP1 + vpaddq $TEMP1,$ACC8,$ACC8 + vpmuludq $Yi,$TEMP2,$TEMP2 + vpaddq $TEMP2,$ACC9,$ACC9 + + vmovdqu -16+32*1-128($ap),$TEMP0 + mov %rbx,%rax + imulq -128($ap),%rax + add $r2,%rax + + vmovdqu -16+32*2-128($ap),$TEMP1 + mov %rax,$r2 + imull $n0, %eax + and \$0x1fffffff, %eax + + imulq 8-128($ap),%rbx + add %rbx,$r3 + vpmuludq $Bi,$TEMP0,$TEMP0 + vmovd %eax, $Yi + vmovdqu -16+32*3-128($ap),$TEMP2 + vpaddq $TEMP0,$ACC1,$ACC1 + vpmuludq $Bi,$TEMP1,$TEMP1 + vpbroadcastq $Yi, $Yi + vmovdqu -16+32*4-128($ap),$TEMP0 + vpaddq $TEMP1,$ACC2,$ACC2 + vpmuludq $Bi,$TEMP2,$TEMP2 + vmovdqu -16+32*5-128($ap),$TEMP1 + vpaddq $TEMP2,$ACC3,$ACC3 + vpmuludq $Bi,$TEMP0,$TEMP0 + vmovdqu -16+32*6-128($ap),$TEMP2 + vpaddq $TEMP0,$ACC4,$ACC4 + vpmuludq $Bi,$TEMP1,$TEMP1 + vmovdqu -16+32*7-128($ap),$TEMP0 + vpaddq $TEMP1,$ACC5,$ACC5 + vpmuludq $Bi,$TEMP2,$TEMP2 + vmovdqu -16+32*8-128($ap),$TEMP1 + vpaddq $TEMP2,$ACC6,$ACC6 + vpmuludq $Bi,$TEMP0,$TEMP0 + vmovdqu -16+32*9-128($ap),$TEMP2 + vpaddq $TEMP0,$ACC7,$ACC7 + vpmuludq $Bi,$TEMP1,$TEMP1 + vpaddq $TEMP1,$ACC8,$ACC8 + vpmuludq $Bi,$TEMP2,$TEMP2 + vpbroadcastq 24($bp), $Bi + vpaddq $TEMP2,$ACC9,$ACC9 + + vmovdqu -16+32*1-128($np),$TEMP0 + mov %rax,%rdx + imulq -128($np),%rax + add %rax,$r2 + vmovdqu -16+32*2-128($np),$TEMP1 + imulq 8-128($np),%rdx + add %rdx,$r3 + shr \$29, $r2 + + vpmuludq $Yi,$TEMP0,$TEMP0 + vmovq $Bi, %rbx + vmovdqu -16+32*3-128($np),$TEMP2 + vpaddq $TEMP0,$ACC1,$ACC1 + vpmuludq $Yi,$TEMP1,$TEMP1 + vmovdqu -16+32*4-128($np),$TEMP0 + vpaddq $TEMP1,$ACC2,$ACC2 + vpmuludq $Yi,$TEMP2,$TEMP2 + vmovdqu -16+32*5-128($np),$TEMP1 + vpaddq $TEMP2,$ACC3,$ACC3 + vpmuludq $Yi,$TEMP0,$TEMP0 + vmovdqu -16+32*6-128($np),$TEMP2 + vpaddq $TEMP0,$ACC4,$ACC4 + vpmuludq $Yi,$TEMP1,$TEMP1 + vmovdqu -16+32*7-128($np),$TEMP0 + vpaddq $TEMP1,$ACC5,$ACC5 + vpmuludq $Yi,$TEMP2,$TEMP2 + vmovdqu -16+32*8-128($np),$TEMP1 + vpaddq $TEMP2,$ACC6,$ACC6 + vpmuludq $Yi,$TEMP0,$TEMP0 + vmovdqu -16+32*9-128($np),$TEMP2 + vpaddq $TEMP0,$ACC7,$ACC7 + vpmuludq $Yi,$TEMP1,$TEMP1 + vmovdqu -24+32*1-128($ap),$TEMP0 + vpaddq $TEMP1,$ACC8,$ACC8 + vpmuludq $Yi,$TEMP2,$TEMP2 + vmovdqu -24+32*2-128($ap),$TEMP1 + vpaddq $TEMP2,$ACC9,$ACC9 + + add $r2, $r3 + imulq -128($ap),%rbx + add %rbx,$r3 + + mov $r3, %rax + imull $n0, %eax + and \$0x1fffffff, %eax + + vpmuludq $Bi,$TEMP0,$TEMP0 + vmovd %eax, $Yi + vmovdqu -24+32*3-128($ap),$TEMP2 + vpaddq $TEMP0,$ACC1,$ACC1 + vpmuludq $Bi,$TEMP1,$TEMP1 + vpbroadcastq $Yi, $Yi + vmovdqu -24+32*4-128($ap),$TEMP0 + vpaddq $TEMP1,$ACC2,$ACC2 + vpmuludq $Bi,$TEMP2,$TEMP2 + vmovdqu -24+32*5-128($ap),$TEMP1 + vpaddq $TEMP2,$ACC3,$ACC3 + vpmuludq $Bi,$TEMP0,$TEMP0 + vmovdqu -24+32*6-128($ap),$TEMP2 + vpaddq $TEMP0,$ACC4,$ACC4 + vpmuludq $Bi,$TEMP1,$TEMP1 + vmovdqu -24+32*7-128($ap),$TEMP0 + vpaddq $TEMP1,$ACC5,$ACC5 + vpmuludq $Bi,$TEMP2,$TEMP2 + vmovdqu -24+32*8-128($ap),$TEMP1 + vpaddq $TEMP2,$ACC6,$ACC6 + vpmuludq $Bi,$TEMP0,$TEMP0 + vmovdqu -24+32*9-128($ap),$TEMP2 + vpaddq $TEMP0,$ACC7,$ACC7 + vpmuludq $Bi,$TEMP1,$TEMP1 + vpaddq $TEMP1,$ACC8,$ACC8 + vpmuludq $Bi,$TEMP2,$TEMP2 + vpbroadcastq 32($bp), $Bi + vpaddq $TEMP2,$ACC9,$ACC9 + add \$32, $bp # $bp++ + + vmovdqu -24+32*1-128($np),$TEMP0 + imulq -128($np),%rax + add %rax,$r3 + shr \$29, $r3 + + vmovdqu -24+32*2-128($np),$TEMP1 + vpmuludq $Yi,$TEMP0,$TEMP0 + vmovq $Bi, %rbx + vmovdqu -24+32*3-128($np),$TEMP2 + vpaddq $TEMP0,$ACC1,$ACC0 # $ACC0==$TEMP0 + vpmuludq $Yi,$TEMP1,$TEMP1 + vmovdqu $ACC0, (%rsp) # transfer $r0-$r3 + vpaddq $TEMP1,$ACC2,$ACC1 + vmovdqu -24+32*4-128($np),$TEMP0 + vpmuludq $Yi,$TEMP2,$TEMP2 + vmovdqu -24+32*5-128($np),$TEMP1 + vpaddq $TEMP2,$ACC3,$ACC2 + vpmuludq $Yi,$TEMP0,$TEMP0 + vmovdqu -24+32*6-128($np),$TEMP2 + vpaddq $TEMP0,$ACC4,$ACC3 + vpmuludq $Yi,$TEMP1,$TEMP1 + vmovdqu -24+32*7-128($np),$TEMP0 + vpaddq $TEMP1,$ACC5,$ACC4 + vpmuludq $Yi,$TEMP2,$TEMP2 + vmovdqu -24+32*8-128($np),$TEMP1 + vpaddq $TEMP2,$ACC6,$ACC5 + vpmuludq $Yi,$TEMP0,$TEMP0 + vmovdqu -24+32*9-128($np),$TEMP2 + mov $r3, $r0 + vpaddq $TEMP0,$ACC7,$ACC6 + vpmuludq $Yi,$TEMP1,$TEMP1 + add (%rsp), $r0 + vpaddq $TEMP1,$ACC8,$ACC7 + vpmuludq $Yi,$TEMP2,$TEMP2 + vmovq $r3, $TEMP1 + vpaddq $TEMP2,$ACC9,$ACC8 + + dec $i + jnz .Loop_mul_1024 +___ + +# (*) Original implementation was correcting ACC1-ACC3 for overflow +# after 7 loop runs, or after 28 iterations, or 56 additions. +# But as we underutilize resources, it's possible to correct in +# each iteration with marginal performance loss. But then, as +# we do it in each iteration, we can correct less digits, and +# avoid performance penalties completely. Also note that we +# correct only three digits out of four. This works because +# most significant digit is subjected to less additions. + +$TEMP0 = $ACC9; +$TEMP3 = $Bi; +$TEMP4 = $Yi; +$code.=<<___; + vpermq \$0, $AND_MASK, $AND_MASK + vpaddq (%rsp), $TEMP1, $ACC0 + + vpsrlq \$29, $ACC0, $TEMP1 + vpand $AND_MASK, $ACC0, $ACC0 + vpsrlq \$29, $ACC1, $TEMP2 + vpand $AND_MASK, $ACC1, $ACC1 + vpsrlq \$29, $ACC2, $TEMP3 + vpermq \$0x93, $TEMP1, $TEMP1 + vpand $AND_MASK, $ACC2, $ACC2 + vpsrlq \$29, $ACC3, $TEMP4 + vpermq \$0x93, $TEMP2, $TEMP2 + vpand $AND_MASK, $ACC3, $ACC3 + + vpblendd \$3, $ZERO, $TEMP1, $TEMP0 + vpermq \$0x93, $TEMP3, $TEMP3 + vpblendd \$3, $TEMP1, $TEMP2, $TEMP1 + vpermq \$0x93, $TEMP4, $TEMP4 + vpaddq $TEMP0, $ACC0, $ACC0 + vpblendd \$3, $TEMP2, $TEMP3, $TEMP2 + vpaddq $TEMP1, $ACC1, $ACC1 + vpblendd \$3, $TEMP3, $TEMP4, $TEMP3 + vpaddq $TEMP2, $ACC2, $ACC2 + vpblendd \$3, $TEMP4, $ZERO, $TEMP4 + vpaddq $TEMP3, $ACC3, $ACC3 + vpaddq $TEMP4, $ACC4, $ACC4 + + vpsrlq \$29, $ACC0, $TEMP1 + vpand $AND_MASK, $ACC0, $ACC0 + vpsrlq \$29, $ACC1, $TEMP2 + vpand $AND_MASK, $ACC1, $ACC1 + vpsrlq \$29, $ACC2, $TEMP3 + vpermq \$0x93, $TEMP1, $TEMP1 + vpand $AND_MASK, $ACC2, $ACC2 + vpsrlq \$29, $ACC3, $TEMP4 + vpermq \$0x93, $TEMP2, $TEMP2 + vpand $AND_MASK, $ACC3, $ACC3 + vpermq \$0x93, $TEMP3, $TEMP3 + + vpblendd \$3, $ZERO, $TEMP1, $TEMP0 + vpermq \$0x93, $TEMP4, $TEMP4 + vpblendd \$3, $TEMP1, $TEMP2, $TEMP1 + vpaddq $TEMP0, $ACC0, $ACC0 + vpblendd \$3, $TEMP2, $TEMP3, $TEMP2 + vpaddq $TEMP1, $ACC1, $ACC1 + vpblendd \$3, $TEMP3, $TEMP4, $TEMP3 + vpaddq $TEMP2, $ACC2, $ACC2 + vpblendd \$3, $TEMP4, $ZERO, $TEMP4 + vpaddq $TEMP3, $ACC3, $ACC3 + vpaddq $TEMP4, $ACC4, $ACC4 + + vmovdqu $ACC0, 0-128($rp) + vmovdqu $ACC1, 32-128($rp) + vmovdqu $ACC2, 64-128($rp) + vmovdqu $ACC3, 96-128($rp) +___ + +$TEMP5=$ACC0; +$code.=<<___; + vpsrlq \$29, $ACC4, $TEMP1 + vpand $AND_MASK, $ACC4, $ACC4 + vpsrlq \$29, $ACC5, $TEMP2 + vpand $AND_MASK, $ACC5, $ACC5 + vpsrlq \$29, $ACC6, $TEMP3 + vpermq \$0x93, $TEMP1, $TEMP1 + vpand $AND_MASK, $ACC6, $ACC6 + vpsrlq \$29, $ACC7, $TEMP4 + vpermq \$0x93, $TEMP2, $TEMP2 + vpand $AND_MASK, $ACC7, $ACC7 + vpsrlq \$29, $ACC8, $TEMP5 + vpermq \$0x93, $TEMP3, $TEMP3 + vpand $AND_MASK, $ACC8, $ACC8 + vpermq \$0x93, $TEMP4, $TEMP4 + + vpblendd \$3, $ZERO, $TEMP1, $TEMP0 + vpermq \$0x93, $TEMP5, $TEMP5 + vpblendd \$3, $TEMP1, $TEMP2, $TEMP1 + vpaddq $TEMP0, $ACC4, $ACC4 + vpblendd \$3, $TEMP2, $TEMP3, $TEMP2 + vpaddq $TEMP1, $ACC5, $ACC5 + vpblendd \$3, $TEMP3, $TEMP4, $TEMP3 + vpaddq $TEMP2, $ACC6, $ACC6 + vpblendd \$3, $TEMP4, $TEMP5, $TEMP4 + vpaddq $TEMP3, $ACC7, $ACC7 + vpaddq $TEMP4, $ACC8, $ACC8 + + vpsrlq \$29, $ACC4, $TEMP1 + vpand $AND_MASK, $ACC4, $ACC4 + vpsrlq \$29, $ACC5, $TEMP2 + vpand $AND_MASK, $ACC5, $ACC5 + vpsrlq \$29, $ACC6, $TEMP3 + vpermq \$0x93, $TEMP1, $TEMP1 + vpand $AND_MASK, $ACC6, $ACC6 + vpsrlq \$29, $ACC7, $TEMP4 + vpermq \$0x93, $TEMP2, $TEMP2 + vpand $AND_MASK, $ACC7, $ACC7 + vpsrlq \$29, $ACC8, $TEMP5 + vpermq \$0x93, $TEMP3, $TEMP3 + vpand $AND_MASK, $ACC8, $ACC8 + vpermq \$0x93, $TEMP4, $TEMP4 + + vpblendd \$3, $ZERO, $TEMP1, $TEMP0 + vpermq \$0x93, $TEMP5, $TEMP5 + vpblendd \$3, $TEMP1, $TEMP2, $TEMP1 + vpaddq $TEMP0, $ACC4, $ACC4 + vpblendd \$3, $TEMP2, $TEMP3, $TEMP2 + vpaddq $TEMP1, $ACC5, $ACC5 + vpblendd \$3, $TEMP3, $TEMP4, $TEMP3 + vpaddq $TEMP2, $ACC6, $ACC6 + vpblendd \$3, $TEMP4, $TEMP5, $TEMP4 + vpaddq $TEMP3, $ACC7, $ACC7 + vpaddq $TEMP4, $ACC8, $ACC8 + + vmovdqu $ACC4, 128-128($rp) + vmovdqu $ACC5, 160-128($rp) + vmovdqu $ACC6, 192-128($rp) + vmovdqu $ACC7, 224-128($rp) + vmovdqu $ACC8, 256-128($rp) + vzeroupper + + mov %rbp, %rax +___ +$code.=<<___ if ($win64); + movaps -0xd8(%rax),%xmm6 + movaps -0xc8(%rax),%xmm7 + movaps -0xb8(%rax),%xmm8 + movaps -0xa8(%rax),%xmm9 + movaps -0x98(%rax),%xmm10 + movaps -0x88(%rax),%xmm11 + movaps -0x78(%rax),%xmm12 + movaps -0x68(%rax),%xmm13 + movaps -0x58(%rax),%xmm14 + movaps -0x48(%rax),%xmm15 +___ +$code.=<<___; + mov -48(%rax),%r15 + mov -40(%rax),%r14 + mov -32(%rax),%r13 + mov -24(%rax),%r12 + mov -16(%rax),%rbp + mov -8(%rax),%rbx + lea (%rax),%rsp # restore %rsp +.Lmul_1024_epilogue: + ret +.size rsaz_1024_mul_avx2,.-rsaz_1024_mul_avx2 +___ +} +{ +my ($out,$inp) = $win64 ? ("%rcx","%rdx") : ("%rdi","%rsi"); +my @T = map("%r$_",(8..11)); + +$code.=<<___; +.globl rsaz_1024_red2norm_avx2 +.type rsaz_1024_red2norm_avx2,\@abi-omnipotent +.align 32 +rsaz_1024_red2norm_avx2: + sub \$-128,$inp # size optimization + xor %rax,%rax +___ + +for ($j=0,$i=0; $i<16; $i++) { + my $k=0; + while (29*$j<64*($i+1)) { # load data till boundary + $code.=" mov `8*$j-128`($inp), @T[0]\n"; + $j++; $k++; push(@T,shift(@T)); + } + $l=$k; + while ($k>1) { # shift loaded data but last value + $code.=" shl \$`29*($j-$k)`,@T[-$k]\n"; + $k--; + } + $code.=<<___; # shift last value + mov @T[-1], @T[0] + shl \$`29*($j-1)`, @T[-1] + shr \$`-29*($j-1)`, @T[0] +___ + while ($l) { # accumulate all values + $code.=" add @T[-$l], %rax\n"; + $l--; + } + $code.=<<___; + adc \$0, @T[0] # consume eventual carry + mov %rax, 8*$i($out) + mov @T[0], %rax +___ + push(@T,shift(@T)); +} +$code.=<<___; + ret +.size rsaz_1024_red2norm_avx2,.-rsaz_1024_red2norm_avx2 + +.globl rsaz_1024_norm2red_avx2 +.type rsaz_1024_norm2red_avx2,\@abi-omnipotent +.align 32 +rsaz_1024_norm2red_avx2: + sub \$-128,$out # size optimization + mov ($inp),@T[0] + mov \$0x1fffffff,%eax +___ +for ($j=0,$i=0; $i<16; $i++) { + $code.=" mov `8*($i+1)`($inp),@T[1]\n" if ($i<15); + $code.=" xor @T[1],@T[1]\n" if ($i==15); + my $k=1; + while (29*($j+1)<64*($i+1)) { + $code.=<<___; + mov @T[0],@T[-$k] + shr \$`29*$j`,@T[-$k] + and %rax,@T[-$k] # &0x1fffffff + mov @T[-$k],`8*$j-128`($out) +___ + $j++; $k++; + } + $code.=<<___; + shrd \$`29*$j`,@T[1],@T[0] + and %rax,@T[0] + mov @T[0],`8*$j-128`($out) +___ + $j++; + push(@T,shift(@T)); +} +$code.=<<___; + mov @T[0],`8*$j-128`($out) # zero + mov @T[0],`8*($j+1)-128`($out) + mov @T[0],`8*($j+2)-128`($out) + mov @T[0],`8*($j+3)-128`($out) + ret +.size rsaz_1024_norm2red_avx2,.-rsaz_1024_norm2red_avx2 +___ +} +{ +my ($out,$inp,$power) = $win64 ? ("%rcx","%rdx","%r8d") : ("%rdi","%rsi","%edx"); + +$code.=<<___; +.globl rsaz_1024_scatter5_avx2 +.type rsaz_1024_scatter5_avx2,\@abi-omnipotent +.align 32 +rsaz_1024_scatter5_avx2: + vzeroupper + vmovdqu .Lscatter_permd(%rip),%ymm5 + shl \$4,$power + lea ($out,$power),$out + mov \$9,%eax + jmp .Loop_scatter_1024 + +.align 32 +.Loop_scatter_1024: + vmovdqu ($inp),%ymm0 + lea 32($inp),$inp + vpermd %ymm0,%ymm5,%ymm0 + vmovdqu %xmm0,($out) + lea 16*32($out),$out + dec %eax + jnz .Loop_scatter_1024 + + vzeroupper + ret +.size rsaz_1024_scatter5_avx2,.-rsaz_1024_scatter5_avx2 + +.globl rsaz_1024_gather5_avx2 +.type rsaz_1024_gather5_avx2,\@abi-omnipotent +.align 32 +rsaz_1024_gather5_avx2: +___ +$code.=<<___ if ($win64); + lea -0x88(%rsp),%rax +.LSEH_begin_rsaz_1024_gather5: + # 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 + lea .Lgather_table(%rip),%r11 + mov $power,%eax + and \$3,$power + shr \$2,%eax # cache line number + shl \$4,$power # offset within cache line + + vmovdqu -32(%r11),%ymm7 # .Lgather_permd + vpbroadcastb 8(%r11,%rax), %xmm8 + vpbroadcastb 7(%r11,%rax), %xmm9 + vpbroadcastb 6(%r11,%rax), %xmm10 + vpbroadcastb 5(%r11,%rax), %xmm11 + vpbroadcastb 4(%r11,%rax), %xmm12 + vpbroadcastb 3(%r11,%rax), %xmm13 + vpbroadcastb 2(%r11,%rax), %xmm14 + vpbroadcastb 1(%r11,%rax), %xmm15 + + lea ($inp,$power),$inp + mov \$64,%r11 # size optimization + mov \$9,%eax + jmp .Loop_gather_1024 + +.align 32 +.Loop_gather_1024: + vpand ($inp), %xmm8,%xmm0 + vpand ($inp,%r11), %xmm9,%xmm1 + vpand ($inp,%r11,2), %xmm10,%xmm2 + vpand 64($inp,%r11,2), %xmm11,%xmm3 + vpor %xmm0,%xmm1,%xmm1 + vpand ($inp,%r11,4), %xmm12,%xmm4 + vpor %xmm2,%xmm3,%xmm3 + vpand 64($inp,%r11,4), %xmm13,%xmm5 + vpor %xmm1,%xmm3,%xmm3 + vpand -128($inp,%r11,8), %xmm14,%xmm6 + vpor %xmm4,%xmm5,%xmm5 + vpand -64($inp,%r11,8), %xmm15,%xmm2 + lea ($inp,%r11,8),$inp + vpor %xmm3,%xmm5,%xmm5 + vpor %xmm2,%xmm6,%xmm6 + vpor %xmm5,%xmm6,%xmm6 + vpermd %ymm6,%ymm7,%ymm6 + vmovdqu %ymm6,($out) + lea 32($out),$out + dec %eax + jnz .Loop_gather_1024 + + vpxor %ymm0,%ymm0,%ymm0 + vmovdqu %ymm0,($out) + 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_rsaz_1024_gather5: +___ +$code.=<<___; + ret +.size rsaz_1024_gather5_avx2,.-rsaz_1024_gather5_avx2 +___ +} + +$code.=<<___; +.extern OPENSSL_ia32cap_P +.globl rsaz_avx2_eligible +.type rsaz_avx2_eligible,\@abi-omnipotent +.align 32 +rsaz_avx2_eligible: + mov OPENSSL_ia32cap_P+8(%rip),%eax + and \$`1<<5`,%eax + shr \$5,%eax + ret +.size rsaz_avx2_eligible,.-rsaz_avx2_eligible + +.align 64 +.Land_mask: + .quad 0x1fffffff,0x1fffffff,0x1fffffff,-1 +.Lscatter_permd: + .long 0,2,4,6,7,7,7,7 +.Lgather_permd: + .long 0,7,1,7,2,7,3,7 +.Lgather_table: + .byte 0,0,0,0,0,0,0,0, 0xff,0,0,0,0,0,0,0 +.align 64 +___ + +if ($win64) { +$rec="%rcx"; +$frame="%rdx"; +$context="%r8"; +$disp="%r9"; + +$code.=<<___ +.extern __imp_RtlVirtualUnwind +.type rsaz_se_handler,\@abi-omnipotent +.align 16 +rsaz_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 .Lcommon_seh_tail + + mov 152($context),%rax # pull context->Rsp + + mov 4(%r11),%r10d # HandlerData[1] + lea (%rsi,%r10),%r10 # epilogue label + cmp %r10,%rbx # context->Rip>=epilogue label + jae .Lcommon_seh_tail + + mov 160($context),%rax # pull context->Rbp + + mov -48(%rax),%r15 + mov -40(%rax),%r14 + mov -32(%rax),%r13 + mov -24(%rax),%r12 + mov -16(%rax),%rbp + mov -8(%rax),%rbx + mov %r15,240($context) + mov %r14,232($context) + mov %r13,224($context) + mov %r12,216($context) + mov %rbp,160($context) + mov %rbx,144($context) + + lea -0xd8(%rax),%rsi # %xmm save area + lea 512($context),%rdi # & context.Xmm6 + mov \$20,%ecx # 10*sizeof(%xmm0)/sizeof(%rax) + .long 0xa548f3fc # cld; rep movsq + +.Lcommon_seh_tail: + mov 8(%rax),%rdi + mov 16(%rax),%rsi + mov %rax,152($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 $disp,%rsi + xor %rcx,%rcx # arg1, UNW_FLAG_NHANDLER + mov 8(%rsi),%rdx # arg2, disp->ImageBase + mov 0(%rsi),%r8 # arg3, disp->ControlPc + mov 16(%rsi),%r9 # arg4, disp->FunctionEntry + mov 40(%rsi),%r10 # disp->ContextRecord + lea 56(%rsi),%r11 # &disp->HandlerData + lea 24(%rsi),%r12 # &disp->EstablisherFrame + mov %r10,32(%rsp) # arg5 + mov %r11,40(%rsp) # arg6 + mov %r12,48(%rsp) # arg7 + mov %rcx,56(%rsp) # arg8, (NULL) + call *__imp_RtlVirtualUnwind(%rip) + + mov \$1,%eax # ExceptionContinueSearch + add \$64,%rsp + popfq + pop %r15 + pop %r14 + pop %r13 + pop %r12 + pop %rbp + pop %rbx + pop %rdi + pop %rsi + ret +.size rsaz_se_handler,.-rsaz_se_handler + +.section .pdata +.align 4 + .rva .LSEH_begin_rsaz_1024_sqr_avx2 + .rva .LSEH_end_rsaz_1024_sqr_avx2 + .rva .LSEH_info_rsaz_1024_sqr_avx2 + + .rva .LSEH_begin_rsaz_1024_mul_avx2 + .rva .LSEH_end_rsaz_1024_mul_avx2 + .rva .LSEH_info_rsaz_1024_mul_avx2 + + .rva .LSEH_begin_rsaz_1024_gather5 + .rva .LSEH_end_rsaz_1024_gather5 + .rva .LSEH_info_rsaz_1024_gather5 +.section .xdata +.align 8 +.LSEH_info_rsaz_1024_sqr_avx2: + .byte 9,0,0,0 + .rva rsaz_se_handler + .rva .Lsqr_1024_body,.Lsqr_1024_epilogue +.LSEH_info_rsaz_1024_mul_avx2: + .byte 9,0,0,0 + .rva rsaz_se_handler + .rva .Lmul_1024_body,.Lmul_1024_epilogue +.LSEH_info_rsaz_1024_gather5: + .byte 0x01,0x33,0x16,0x00 + .byte 0x33,0xf8,0x09,0x00 #movaps 0x90(rsp),xmm15 + .byte 0x2e,0xe8,0x08,0x00 #movaps 0x80(rsp),xmm14 + .byte 0x29,0xd8,0x07,0x00 #movaps 0x70(rsp),xmm13 + .byte 0x24,0xc8,0x06,0x00 #movaps 0x60(rsp),xmm12 + .byte 0x1f,0xb8,0x05,0x00 #movaps 0x50(rsp),xmm11 + .byte 0x1a,0xa8,0x04,0x00 #movaps 0x40(rsp),xmm10 + .byte 0x15,0x98,0x03,0x00 #movaps 0x30(rsp),xmm9 + .byte 0x10,0x88,0x02,0x00 #movaps 0x20(rsp),xmm8 + .byte 0x0c,0x78,0x01,0x00 #movaps 0x10(rsp),xmm7 + .byte 0x08,0x68,0x00,0x00 #movaps 0x00(rsp),xmm6 + .byte 0x04,0x01,0x15,0x00 #sub rsp,0xa8 +___ +} + +foreach (split("\n",$code)) { + s/\`([^\`]*)\`/eval($1)/ge; + + s/\b(sh[rl]d?\s+\$)(-?[0-9]+)/$1.$2%64/ge or + + s/\b(vmov[dq])\b(.+)%ymm([0-9]+)/$1$2%xmm$3/go or + s/\b(vmovdqu)\b(.+)%x%ymm([0-9]+)/$1$2%xmm$3/go or + s/\b(vpinsr[qd])\b(.+)%ymm([0-9]+)/$1$2%xmm$3/go or + s/\b(vpextr[qd])\b(.+)%ymm([0-9]+)/$1$2%xmm$3/go or + s/\b(vpbroadcast[qd]\s+)%ymm([0-9]+)/$1%xmm$2/go; + print $_,"\n"; +} + +}}} else {{{ +print <<___; # assembler is too old +.text + +.globl rsaz_avx2_eligible +.type rsaz_avx2_eligible,\@abi-omnipotent +rsaz_eligible: + xor %eax,%eax + ret +.size rsaz_avx2_eligible,.-rsaz_avx2_eligible + +.globl rsaz_1024_sqr_avx2 +.globl rsaz_1024_mul_avx2 +.globl rsaz_1024_norm2red_avx2 +.globl rsaz_1024_red2norm_avx2 +.globl rsaz_1024_scatter5_avx2 +.globl rsaz_1024_gather5_avx2 +.type rsaz_1024_sqr_avx2,\@abi-omnipotent +rsaz_1024_sqr_avx2: +rsaz_1024_mul_avx2: +rsaz_1024_norm2red_avx2: +rsaz_1024_red2norm_avx2: +rsaz_1024_scatter5_avx2: +rsaz_1024_gather5_avx2: + .byte 0x0f,0x0b # ud2 + ret +.size rsaz_1024_sqr_avx2,.-rsaz_1024_sqr_avx2 +___ +}}} + +close STDOUT; diff --git a/crypto/bn/asm/rsaz-x86_64.pl b/crypto/bn/asm/rsaz-x86_64.pl new file mode 100755 index 0000000000..ed84463697 --- /dev/null +++ b/crypto/bn/asm/rsaz-x86_64.pl @@ -0,0 +1,1706 @@ +#!/usr/bin/env perl + +#******************************************************************************# +#* Copyright(c) 2012, Intel Corp. *# +#* Developers and authors: *# +#* Shay Gueron (1, 2), and Vlad Krasnov (1) *# +#* (1) Intel Architecture Group, Microprocessor and Chipset Development, *# +#* Israel Development Center, Haifa, Israel *# +#* (2) University of Haifa *# +#******************************************************************************# +#* This submission to OpenSSL is to be made available under the OpenSSL *# +#* license, and only to the OpenSSL project, in order to allow integration *# +#* into the publicly distributed code. ? *# +#* The use of this code, or portions of this code, or concepts embedded in *# +#* this code, or modification of this code and/or algorithm(s) in it, or the *# +#* use of this code for any other purpose than stated above, requires special *# +#* licensing. *# +#******************************************************************************# +#******************************************************************************# +#* DISCLAIMER: *# +#* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS AND THE COPYRIGHT OWNERS *# +#* ``AS IS''. ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *# +#* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR *# +#* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS OR THE COPYRIGHT*# +#* OWNERS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, *# +#* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF *# +#* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS *# +#* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN *# +#* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) *# +#* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE *# +#* POSSIBILITY OF SUCH DAMAGE. *# +#******************************************************************************# +#* Reference: *# +#* [1] S. Gueron, "Efficient Software Implementations of Modular *# +#* Exponentiation", http://eprint.iacr.org/2011/239 *# +#* [2] S. Gueron, V. Krasnov. "Speeding up Big-Numbers Squaring". *# +#* IEEE Proceedings of 9th International Conference on Information *# +#* Technology: New Generations (ITNG 2012), 821-823 (2012). *# +#* [3] S. Gueron, Efficient Software Implementations of Modular Exponentiation*# +#* Journal of Cryptographic Engineering 2:31-43 (2012). *# +#* [4] S. Gueron, V. Krasnov: "[PATCH] Efficient and side channel analysis *# +#* resistant 512-bit and 1024-bit modular exponentiation for optimizing *# +#* RSA1024 and RSA2048 on x86_64 platforms", *# +#* http://rt.openssl.org/Ticket/Display.html?id=2582&user=guest&pass=guest*# +################################################################################ + +# While original submission covers 512- and 1024-bit exponentiation, +# this module is limited to 512-bit version only (and as such +# accelerates RSA1024 sign). This is because improvement for longer +# keys is not high enough to justify the effort, highest measured +# was ~5% on Westmere. [This is relative to OpenSSL 1.0.2, upcoming +# for the moment of this writing!] Nor does this module implement +# "monolithic" complete exponentiation jumbo-subroutine, but adheres +# to more modular mixture of C and assembly. And it's optimized even +# for processors other than Intel Core family (see table below for +# improvement coefficients). +# <appro@openssl.org> +# +# RSA1024 sign/sec this/original |this/rsax(*) this/fips(*) +# ----------------+--------------------------- +# Opteron +13% |+5% +20% +# Bulldozer -0% |-1% +10% +# P4 +11% |+7% +8% +# Westmere +5% |+14% +17% +# Sandy Bridge +2% |+12% +29% +# Ivy Bridge +1% |+11% +35% +# Haswell(**) -0% |+12% +39% +# Atom +13% |+11% +4% +# VIA Nano +70% |+9% +25% +# +# (*) rsax engine and fips numbers are presented for reference +# purposes; +# (**) you might notice MULX code below, strangely enough gain is +# marginal, which is why code remains disabled; + +$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"; + +open OUT,"| $^X $xlate $flavour $output"; +*STDOUT=*OUT; + +($out, $inp, $mod) = ("%rdi", "%rsi", "%rbp"); # common internal API +{ +my ($out,$inp,$mod,$n0,$times) = ("%rdi","%rsi","%rdx","%rcx","%r8d"); + +$code.=<<___; +.text + +.globl rsaz_512_sqr +.type rsaz_512_sqr,\@function,4 +.align 32 +rsaz_512_sqr: # 25-29% faster than rsaz_512_mul + push %rbx + push %rbp + push %r12 + push %r13 + push %r14 + push %r15 + + subq \$128+24, %rsp +.Lsqr_body: + movq $mod, %rbp # common argument + movq ($inp), %rdx + movq 8($inp), %rax + movq $n0, 128(%rsp) + jmp .Loop_sqr + +.align 32 +.Loop_sqr: + movl $times,128+8(%rsp) +___ +if (1) { +$code.=<<___; +#first iteration + movq %rdx, %rbx + mulq %rdx + movq %rax, %r8 + movq 16($inp), %rax + movq %rdx, %r9 + + mulq %rbx + addq %rax, %r9 + movq 24($inp), %rax + movq %rdx, %r10 + adcq \$0, %r10 + + mulq %rbx + addq %rax, %r10 + movq 32($inp), %rax + movq %rdx, %r11 + adcq \$0, %r11 + + mulq %rbx + addq %rax, %r11 + movq 40($inp), %rax + movq %rdx, %r12 + adcq \$0, %r12 + + mulq %rbx + addq %rax, %r12 + movq 48($inp), %rax + movq %rdx, %r13 + adcq \$0, %r13 + + mulq %rbx + addq %rax, %r13 + movq 56($inp), %rax + movq %rdx, %r14 + adcq \$0, %r14 + + mulq %rbx + addq %rax, %r14 + movq %rbx, %rax + movq %rdx, %r15 + adcq \$0, %r15 + + addq %r8, %r8 #shlq \$1, %r8 + movq %r9, %rcx + adcq %r9, %r9 #shld \$1, %r8, %r9 + + mulq %rax + movq %rax, (%rsp) + addq %rdx, %r8 + adcq \$0, %r9 + + movq %r8, 8(%rsp) + shrq \$63, %rcx + +#second iteration + movq 8($inp), %r8 + movq 16($inp), %rax + mulq %r8 + addq %rax, %r10 + movq 24($inp), %rax + movq %rdx, %rbx + adcq \$0, %rbx + + mulq %r8 + addq %rax, %r11 + movq 32($inp), %rax + adcq \$0, %rdx + addq %rbx, %r11 + movq %rdx, %rbx + adcq \$0, %rbx + + mulq %r8 + addq %rax, %r12 + movq 40($inp), %rax + adcq \$0, %rdx + addq %rbx, %r12 + movq %rdx, %rbx + adcq \$0, %rbx + + mulq %r8 + addq %rax, %r13 + movq 48($inp), %rax + adcq \$0, %rdx + addq %rbx, %r13 + movq %rdx, %rbx + adcq \$0, %rbx + + mulq %r8 + addq %rax, %r14 + movq 56($inp), %rax + adcq \$0, %rdx + addq %rbx, %r14 + movq %rdx, %rbx + adcq \$0, %rbx + + mulq %r8 + addq %rax, %r15 + movq %r8, %rax + adcq \$0, %rdx + addq %rbx, %r15 + movq %rdx, %r8 + movq %r10, %rdx + adcq \$0, %r8 + + add %rdx, %rdx + lea (%rcx,%r10,2), %r10 #shld \$1, %rcx, %r10 + movq %r11, %rbx + adcq %r11, %r11 #shld \$1, %r10, %r11 + + mulq %rax + addq %rax, %r9 + adcq %rdx, %r10 + adcq \$0, %r11 + + movq %r9, 16(%rsp) + movq %r10, 24(%rsp) + shrq \$63, %rbx + +#third iteration + movq 16($inp), %r9 + movq 24($inp), %rax + mulq %r9 + addq %rax, %r12 + movq 32($inp), %rax + movq %rdx, %rcx + adcq \$0, %rcx + + mulq %r9 + addq %rax, %r13 + movq 40($inp), %rax + adcq \$0, %rdx + addq %rcx, %r13 + movq %rdx, %rcx + adcq \$0, %rcx + + mulq %r9 + addq %rax, %r14 + movq 48($inp), %rax + adcq \$0, %rdx + addq %rcx, %r14 + movq %rdx, %rcx + adcq \$0, %rcx + + mulq %r9 + movq %r12, %r10 + lea (%rbx,%r12,2), %r12 #shld \$1, %rbx, %r12 + addq %rax, %r15 + movq 56($inp), %rax + adcq \$0, %rdx + addq %rcx, %r15 + movq %rdx, %rcx + adcq \$0, %rcx + + mulq %r9 + shrq \$63, %r10 + addq %rax, %r8 + movq %r9, %rax + adcq \$0, %rdx + addq %rcx, %r8 + movq %rdx, %r9 + adcq \$0, %r9 + + movq %r13, %rcx + leaq (%r10,%r13,2), %r13 #shld \$1, %r12, %r13 + + mulq %rax + addq %rax, %r11 + adcq %rdx, %r12 + adcq \$0, %r13 + + movq %r11, 32(%rsp) + movq %r12, 40(%rsp) + shrq \$63, %rcx + +#fourth iteration + movq 24($inp), %r10 + movq 32($inp), %rax + mulq %r10 + addq %rax, %r14 + movq 40($inp), %rax + movq %rdx, %rbx + adcq \$0, %rbx + + mulq %r10 + addq %rax, %r15 + movq 48($inp), %rax + adcq \$0, %rdx + addq %rbx, %r15 + movq %rdx, %rbx + adcq \$0, %rbx + + mulq %r10 + movq %r14, %r12 + leaq (%rcx,%r14,2), %r14 #shld \$1, %rcx, %r14 + addq %rax, %r8 + movq 56($inp), %rax + adcq \$0, %rdx + addq %rbx, %r8 + movq %rdx, %rbx + adcq \$0, %rbx + + mulq %r10 + shrq \$63, %r12 + addq %rax, %r9 + movq %r10, %rax + adcq \$0, %rdx + addq %rbx, %r9 + movq %rdx, %r10 + adcq \$0, %r10 + + movq %r15, %rbx + leaq (%r12,%r15,2),%r15 #shld \$1, %r14, %r15 + + mulq %rax + addq %rax, %r13 + adcq %rdx, %r14 + adcq \$0, %r15 + + movq %r13, 48(%rsp) + movq %r14, 56(%rsp) + shrq \$63, %rbx + +#fifth iteration + movq 32($inp), %r11 + movq 40($inp), %rax + mulq %r11 + addq %rax, %r8 + movq 48($inp), %rax + movq %rdx, %rcx + adcq \$0, %rcx + + mulq %r11 + addq %rax, %r9 + movq 56($inp), %rax + adcq \$0, %rdx + movq %r8, %r12 + leaq (%rbx,%r8,2), %r8 #shld \$1, %rbx, %r8 + addq %rcx, %r9 + movq %rdx, %rcx + adcq \$0, %rcx + + mulq %r11 + shrq \$63, %r12 + addq %rax, %r10 + movq %r11, %rax + adcq \$0, %rdx + addq %rcx, %r10 + movq %rdx, %r11 + adcq \$0, %r11 + + movq %r9, %rcx + leaq (%r12,%r9,2), %r9 #shld \$1, %r8, %r9 + + mulq %rax + addq %rax, %r15 + adcq %rdx, %r8 + adcq \$0, %r9 + + movq %r15, 64(%rsp) + movq %r8, 72(%rsp) + shrq \$63, %rcx + +#sixth iteration + movq 40($inp), %r12 + movq 48($inp), %rax + mulq %r12 + addq %rax, %r10 + movq 56($inp), %rax + movq %rdx, %rbx + adcq \$0, %rbx + + mulq %r12 + addq %rax, %r11 + movq %r12, %rax + movq %r10, %r15 + leaq (%rcx,%r10,2), %r10 #shld \$1, %rcx, %r10 + adcq \$0, %rdx + shrq \$63, %r15 + addq %rbx, %r11 + movq %rdx, %r12 + adcq \$0, %r12 + + movq %r11, %rbx + leaq (%r15,%r11,2), %r11 #shld \$1, %r10, %r11 + + mulq %rax + addq %rax, %r9 + adcq %rdx, %r10 + adcq \$0, %r11 + + movq %r9, 80(%rsp) + movq %r10, 88(%rsp) + +#seventh iteration + movq 48($inp), %r13 + movq 56($inp), %rax + mulq %r13 + addq %rax, %r12 + movq %r13, %rax + movq %rdx, %r13 + adcq \$0, %r13 + + xorq %r14, %r14 + shlq \$1, %rbx + adcq %r12, %r12 #shld \$1, %rbx, %r12 + adcq %r13, %r13 #shld \$1, %r12, %r13 + adcq %r14, %r14 #shld \$1, %r13, %r14 + + mulq %rax + addq %rax, %r11 + adcq %rdx, %r12 + adcq \$0, %r13 + + movq %r11, 96(%rsp) + movq %r12, 104(%rsp) + +#eighth iteration + movq 56($inp), %rax + mulq %rax + addq %rax, %r13 + adcq \$0, %rdx + + addq %rdx, %r14 + + movq %r13, 112(%rsp) + movq %r14, 120(%rsp) +___ +} else { +$code.=<<___; + movq $out, %xmm0 # off-load +#first iteration + mulx %rax, %r8, %r9 + + mulx 16($inp), %rcx, %r10 + + mulx 24($inp), %rax, %r11 + add %rcx, %r9 + + mulx 32($inp), %rcx, %r12 + adc %rax, %r10 + + mulx 40($inp), %rax, %r13 + adc %rcx, %r11 + + mulx 48($inp), %rcx, %r14 + adc %rax, %r12 + + mulx 56($inp), %rax, %r15 + adc %rcx, %r13 + mov %r9, %rcx + adc %rax, %r14 + adc \$0, %r15 + + shld \$1, %r8, %r9 + shl \$1, %r8 + + mulx %rdx, %rax, %rdx + add %rdx, %r8 + adc \$0, %r9 + + mov %rax, (%rsp) + mov %r8, 8(%rsp) + +#second iteration + mov 8($inp), %rdx + mulx 16($inp), %rax, %rbx + + mulx 24($inp), $out, %r8 + add %rax, %r10 + adc %rbx, %r11 + adc \$0, %r8 + + mulx 32($inp), %rax, %rbx + add $out, %r11 + adc %r8, %r12 + adc \$0, %rbx + + mulx 40($inp), $out, %r8 + add %rax, %r12 + adc %rbx, %r13 + adc \$0, %r8 + + mulx 48($inp), %rax, %rbx + add $out, %r13 + adc %r8, %r14 + adc \$0, %rbx + + mulx 56($inp), $out, %r8 + add %rax, %r14 + adc %rbx, %r15 + mov %r11, %rbx + adc \$0, %r8 + add $out, %r15 + adc \$0, %r8 + + shld \$1, %r10, %r11 + shld \$1, %rcx, %r10 + + mulx %rdx, %rax, %rcx + add %rax, %r9 + adc %rcx, %r10 + adc \$0, %r11 + + mov %r9, 16(%rsp) + mov %r10, 24(%rsp) + +#third iteration + mov 16($inp), %rdx + mulx 24($inp), $out, %r9 + + mulx 32($inp), %rax, %rcx + add $out, %r12 + adc %r9, %r13 + adc \$0, %rcx + + mulx 40($inp), $out, %r9 + add %rax, %r13 + adc %rcx, %r14 + adc \$0, %r9 + + mulx 48($inp), %rax, %rcx + add $out, %r14 + adc %r9, %r15 + adc \$0, %rcx + + mulx 56($inp), $out, %r9 + add %rax, %r15 + adc %rcx, %r8 + mov %r13, %rcx + adc \$0, %r9 + add $out, %r8 + adc \$0, %r9 + + shld \$1, %r12, %r13 + shld \$1, %rbx, %r12 + + mulx %rdx, %rax, %rdx + add %rax, %r11 + adc %rdx, %r12 + adc \$0, %r13 + + mov %r11, 32(%rsp) + mov %r12, 40(%rsp) + +#fourth iteration + mov 24($inp), %rdx + mulx 32($inp), %rax, %rbx + + mulx 40($inp), $out, %r10 + add %rax, %r14 + adc %rbx, %r15 + adc \$0, %r10 + + mulx 48($inp), %rax, %rbx + add $out, %r15 + adc %r10, %r8 + adc \$0, %rbx + + mulx 56($inp), $out, %r10 + add %rax, %r8 + adc \$0, %rbx + add $out, %r9 + adc \$0, %r10 + add %rbx, %r9 + mov %r15, %rbx + adc \$0, %r10 + + shld \$1, %r14, %r15 + shld \$1, %rcx, %r14 + + mulx %rdx, %rax, %rdx + add %rax, %r13 + adc %rdx, %r14 + adc \$0, %r15 + + mov %r13, 48(%rsp) + mov %r14, 56(%rsp) + +#fifth iteration + mov 32($inp), %rdx + mulx 40($inp), $out, %r11 + + mulx 48($inp), %rax, %rcx + add $out, %r8 + adc %r11, %r9 + adc \$0, %rcx + + mulx 56($inp), $out, %r11 + add %rax, %r9 + adc %rcx, %r10 + adc \$0, %r11 + add $out, %r10 + adc \$0, %r11 + + mov %r9, %rcx + shld \$1, %r8, %r9 + shld \$1, %rbx, %r8 + + mulx %rdx, %rax, %rdx + add %rax, %r15 + adc %rdx, %r8 + adc \$0, %r9 + + mov %r15, 64(%rsp) + mov %r8, 72(%rsp) + +#sixth iteration + mov 40($inp), %rdx + mulx 48($inp), %rax, %rbx + + mulx 56($inp), $out, %r12 + add %rax, %r10 + adc %rbx, %r11 + adc \$0, %r12 + add $out, %r11 + adc \$0, %r12 + + mov %r11, %rbx + shld \$1, %r10, %r11 + shld \$1, %rcx, %r10 + + mulx %rdx, %rax, %rdx + add %rax, %r9 + adc %rdx, %r10 + adc \$0, %r11 + + mov %r9, 80(%rsp) + mov %r10, 88(%rsp) + +#seventh iteration + mov 48($inp), %rdx + mulx 56($inp), %rax, %r13 + add %rax, %r12 + adc \$0, %r13 + + xor %r14, %r14 + shld \$1, %r13, %r14 + shld \$1, %r12, %r13 + shld \$1, %rbx, %r12 + + mulx %rdx, %rax, %rdx + add %rax, %r11 + adc %rdx, %r12 + adc \$0, %r13 + + mov %r11, 96(%rsp) + mov %r12, 104(%rsp) + +#eighth iteration + mov 56($inp), %rdx + mulx %rdx, %rax, %rdx + add %rax, %r13 + adc \$0, %rdx + + add %rdx, %r14 + + movq %r13, 112(%rsp) + movq %r14, 120(%rsp) + movq %xmm0, $out +___ +} +$code.=<<___; + movq (%rsp), %r8 + movq 8(%rsp), %r9 + movq 16(%rsp), %r10 + movq 24(%rsp), %r11 + movq 32(%rsp), %r12 + movq 40(%rsp), %r13 + movq 48(%rsp), %r14 + movq 56(%rsp), %r15 + + call _rsaz_512_reduce + + addq 64(%rsp), %r8 + adcq 72(%rsp), %r9 + adcq 80(%rsp), %r10 + adcq 88(%rsp), %r11 + adcq 96(%rsp), %r12 + adcq 104(%rsp), %r13 + adcq 112(%rsp), %r14 + adcq 120(%rsp), %r15 + sbbq %rcx, %rcx + + call _rsaz_512_subtract + + movq %r8, %rdx + movq %r9, %rax + movl 128+8(%rsp), $times + movq $out, $inp + + decl $times + jnz .Loop_sqr + + leaq 128+24+48(%rsp), %rax + movq -48(%rax), %r15 + movq -40(%rax), %r14 + movq -32(%rax), %r13 + movq -24(%rax), %r12 + movq -16(%rax), %rbp + movq -8(%rax), %rbx + leaq (%rax), %rsp +.Lsqr_epilogue: + ret +.size rsaz_512_sqr,.-rsaz_512_sqr +___ +} +{ +my ($out,$ap,$bp,$mod,$n0) = ("%rdi","%rsi","%rdx","%rcx","%r8"); +$code.=<<___; +.global rsaz_512_mul +.type rsaz_512_mul,\@function,5 +.align 32 +rsaz_512_mul: + push %rbx + push %rbp + push %r12 + push %r13 + push %r14 + push %r15 + + subq \$128+24, %rsp +.Lmul_body: + movq $out, %xmm0 # off-load arguments + movq $mod, %xmm1 + movq $n0, 128(%rsp) + + movq $bp, %rbp # pass argument + call _rsaz_512_mul + + movq %xmm0, $out + movq %xmm1, %rbp + + movq (%rsp), %r8 + movq 8(%rsp), %r9 + movq 16(%rsp), %r10 + movq 24(%rsp), %r11 + movq 32(%rsp), %r12 + movq 40(%rsp), %r13 + movq 48(%rsp), %r14 + movq 56(%rsp), %r15 + + call _rsaz_512_reduce + + addq 64(%rsp), %r8 + adcq 72(%rsp), %r9 + adcq 80(%rsp), %r10 + adcq 88(%rsp), %r11 + adcq 96(%rsp), %r12 + adcq 104(%rsp), %r13 + adcq 112(%rsp), %r14 + adcq 120(%rsp), %r15 + sbbq %rcx, %rcx + + call _rsaz_512_subtract + + leaq 128+24+48(%rsp), %rax + movq -48(%rax), %r15 + movq -40(%rax), %r14 + movq -32(%rax), %r13 + movq -24(%rax), %r12 + movq -16(%rax), %rbp + movq -8(%rax), %rbx + leaq (%rax), %rsp +.Lmul_epilogue: + ret +.size rsaz_512_mul,.-rsaz_512_mul +___ +} +{ +my ($out,$ap,$bp,$mod,$n0,$pwr) = ("%rdi","%rsi","%rdx","%rcx","%r8","%r9d"); +$code.=<<___; +.global rsaz_512_mul_gather4 +.type rsaz_512_mul_gather4,\@function,6 +.align 32 +rsaz_512_mul_gather4: + push %rbx + push %rbp + push %r12 + push %r13 + push %r14 + push %r15 + + subq \$128+24, %rsp +.Lmul_gather4_body: + movl 64($bp,$pwr,4), %eax + movq $out, %xmm0 # off-load arguments + movl ($bp,$pwr,4), %ebx + movq $mod, %xmm1 + movq $n0, 128(%rsp) + + shlq \$32, %rax + or %rax, %rbx + movq ($ap), %rax + movq 8($ap), %rcx + leaq 128($bp,$pwr,4), %rbp + mulq %rbx # 0 iteration + movq %rax, (%rsp) + movq %rcx, %rax + movq %rdx, %r8 + + mulq %rbx + movd (%rbp), %xmm4 + addq %rax, %r8 + movq 16($ap), %rax + movq %rdx, %r9 + adcq \$0, %r9 + + mulq %rbx + movd 64(%rbp), %xmm5 + addq %rax, %r9 + movq 24($ap), %rax + movq %rdx, %r10 + adcq \$0, %r10 + + mulq %rbx + pslldq \$4, %xmm5 + addq %rax, %r10 + movq 32($ap), %rax + movq %rdx, %r11 + adcq \$0, %r11 + + mulq %rbx + por %xmm5, %xmm4 + addq %rax, %r11 + movq 40($ap), %rax + movq %rdx, %r12 + adcq \$0, %r12 + + mulq %rbx + addq %rax, %r12 + movq 48($ap), %rax + movq %rdx, %r13 + adcq \$0, %r13 + + mulq %rbx + leaq 128(%rbp), %rbp + addq %rax, %r13 + movq 56($ap), %rax + movq %rdx, %r14 + adcq \$0, %r14 + + mulq %rbx + movq %xmm4, %rbx + addq %rax, %r14 + movq ($ap), %rax + movq %rdx, %r15 + adcq \$0, %r15 + + leaq 8(%rsp), %rdi + movl \$7, %ecx + jmp .Loop_mul_gather + +.align 32 +.Loop_mul_gather: + mulq %rbx + addq %rax, %r8 + movq 8($ap), %rax + movq %r8, (%rdi) + movq %rdx, %r8 + adcq \$0, %r8 + + mulq %rbx + movd (%rbp), %xmm4 + addq %rax, %r9 + movq 16($ap), %rax + adcq \$0, %rdx + addq %r9, %r8 + movq %rdx, %r9 + adcq \$0, %r9 + + mulq %rbx + movd 64(%rbp), %xmm5 + addq %rax, %r10 + movq 24($ap), %rax + adcq \$0, %rdx + addq %r10, %r9 + movq %rdx, %r10 + adcq \$0, %r10 + + mulq %rbx + pslldq \$4, %xmm5 + addq %rax, %r11 + movq 32($ap), %rax + adcq \$0, %rdx + addq %r11, %r10 + movq %rdx, %r11 + adcq \$0, %r11 + + mulq %rbx + por %xmm5, %xmm4 + addq %rax, %r12 + movq 40($ap), %rax + adcq \$0, %rdx + addq %r12, %r11 + movq %rdx, %r12 + adcq \$0, %r12 + + mulq %rbx + addq %rax, %r13 + movq 48($ap), %rax + adcq \$0, %rdx + addq %r13, %r12 + movq %rdx, %r13 + adcq \$0, %r13 + + mulq %rbx + addq %rax, %r14 + movq 56($ap), %rax + adcq \$0, %rdx + addq %r14, %r13 + movq %rdx, %r14 + adcq \$0, %r14 + + mulq %rbx + movq %xmm4, %rbx + addq %rax, %r15 + movq ($ap), %rax + adcq \$0, %rdx + addq %r15, %r14 + movq %rdx, %r15 + adcq \$0, %r15 + + leaq 128(%rbp), %rbp + leaq 8(%rdi), %rdi + + decl %ecx + jnz .Loop_mul_gather + + movq %r8, (%rdi) + movq %r9, 8(%rdi) + movq %r10, 16(%rdi) + movq %r11, 24(%rdi) + movq %r12, 32(%rdi) + movq %r13, 40(%rdi) + movq %r14, 48(%rdi) + movq %r15, 56(%rdi) + + movq %xmm0, $out + movq %xmm1, %rbp + + movq (%rsp), %r8 + movq 8(%rsp), %r9 + movq 16(%rsp), %r10 + movq 24(%rsp), %r11 + movq 32(%rsp), %r12 + movq 40(%rsp), %r13 + movq 48(%rsp), %r14 + movq 56(%rsp), %r15 + + call _rsaz_512_reduce + + addq 64(%rsp), %r8 + adcq 72(%rsp), %r9 + adcq 80(%rsp), %r10 + adcq 88(%rsp), %r11 + adcq 96(%rsp), %r12 + adcq 104(%rsp), %r13 + adcq 112(%rsp), %r14 + adcq 120(%rsp), %r15 + sbbq %rcx, %rcx + + call _rsaz_512_subtract + + leaq 128+24+48(%rsp), %rax + movq -48(%rax), %r15 + movq -40(%rax), %r14 + movq -32(%rax), %r13 + movq -24(%rax), %r12 + movq -16(%rax), %rbp + movq -8(%rax), %rbx + leaq (%rax), %rsp +.Lmul_gather4_epilogue: + ret +.size rsaz_512_mul_gather4,.-rsaz_512_mul_gather4 +___ +} +{ +my ($out,$ap,$mod,$n0,$tbl,$pwr) = ("%rdi","%rsi","%rdx","%rcx","%r8","%r9d"); +$code.=<<___; +.global rsaz_512_mul_scatter4 +.type rsaz_512_mul_scatter4,\@function,6 +.align 32 +rsaz_512_mul_scatter4: + push %rbx + push %rbp + push %r12 + push %r13 + push %r14 + push %r15 + + subq \$128+24, %rsp +.Lmul_scatter4_body: + leaq ($tbl,$pwr,4), $tbl + movq $out, %xmm0 # off-load arguments + movq $mod, %xmm1 + movq $tbl, %xmm2 + movq $n0, 128(%rsp) + + movq $out, %rbp + call _rsaz_512_mul + + movq %xmm0, $out + movq %xmm1, %rbp + + movq (%rsp), %r8 + movq 8(%rsp), %r9 + movq 16(%rsp), %r10 + movq 24(%rsp), %r11 + movq 32(%rsp), %r12 + movq 40(%rsp), %r13 + movq 48(%rsp), %r14 + movq 56(%rsp), %r15 + + call _rsaz_512_reduce + + addq 64(%rsp), %r8 + adcq 72(%rsp), %r9 + adcq 80(%rsp), %r10 + adcq 88(%rsp), %r11 + adcq 96(%rsp), %r12 + adcq 104(%rsp), %r13 + adcq 112(%rsp), %r14 + adcq 120(%rsp), %r15 + movq %xmm2, $inp + sbbq %rcx, %rcx + + call _rsaz_512_subtract + + movl %r8d, 64*0($inp) # scatter + shrq \$32, %r8 + movl %r9d, 64*2($inp) + shrq \$32, %r9 + movl %r10d, 64*4($inp) + shrq \$32, %r10 + movl %r11d, 64*6($inp) + shrq \$32, %r11 + movl %r12d, 64*8($inp) + shrq \$32, %r12 + movl %r13d, 64*10($inp) + shrq \$32, %r13 + movl %r14d, 64*12($inp) + shrq \$32, %r14 + movl %r15d, 64*14($inp) + shrq \$32, %r15 + movl %r8d, 64*1($inp) + movl %r9d, 64*3($inp) + movl %r10d, 64*5($inp) + movl %r11d, 64*7($inp) + movl %r12d, 64*9($inp) + movl %r13d, 64*11($inp) + movl %r14d, 64*13($inp) + movl %r15d, 64*15($inp) + + leaq 128+24+48(%rsp), %rax + movq -48(%rax), %r15 + movq -40(%rax), %r14 + movq -32(%rax), %r13 + movq -24(%rax), %r12 + movq -16(%rax), %rbp + movq -8(%rax), %rbx + leaq (%rax), %rsp +.Lmul_scatter4_epilogue: + ret +.size rsaz_512_mul_scatter4,.-rsaz_512_mul_scatter4 +___ +} +{ +my ($out,$inp,$mod,$n0) = ("%rdi","%rsi","%rdx","%rcx"); +$code.=<<___; +.globl rsaz_512_mul_by_one +.type rsaz_512_mul_by_one,\@function,4 +.align 32 +rsaz_512_mul_by_one: + push %rbx + push %rbp + push %r12 + push %r13 + push %r14 + push %r15 + + subq \$128+24, %rsp +.Lmul_by_one_body: + movq $mod, %rbp # reassign argument + movq $n0, 128(%rsp) + + movq ($inp), %r8 + pxor %xmm0, %xmm0 + movq 8($inp), %r9 + movq 16($inp), %r10 + movq 24($inp), %r11 + movq 32($inp), %r12 + movq 40($inp), %r13 + movq 48($inp), %r14 + movq 56($inp), %r15 + + movdqa %xmm0, (%rsp) + movdqa %xmm0, 16(%rsp) + movdqa %xmm0, 32(%rsp) + movdqa %xmm0, 48(%rsp) + movdqa %xmm0, 64(%rsp) + movdqa %xmm0, 80(%rsp) + movdqa %xmm0, 96(%rsp) + + call _rsaz_512_reduce + + movq %r8, ($out) + movq %r9, 8($out) + movq %r10, 16($out) + movq %r11, 24($out) + movq %r12, 32($out) + movq %r13, 40($out) + movq %r14, 48($out) + movq %r15, 56($out) + + leaq 128+24+48(%rsp), %rax + movq -48(%rax), %r15 + movq -40(%rax), %r14 + movq -32(%rax), %r13 + movq -24(%rax), %r12 + movq -16(%rax), %rbp + movq -8(%rax), %rbx + leaq (%rax), %rsp +.Lmul_by_one_epilogue: + ret +.size rsaz_512_mul_by_one,.-rsaz_512_mul_by_one +___ +} +{ # _rsaz_512_reduce + # + # input: %r8-%r15, %rbp - mod, 128(%rsp) - n0 + # output: %r8-%r15 + # clobbers: everything except %rbp and %rdi +$code.=<<___; +.type _rsaz_512_reduce,\@abi-omnipotent +.align 32 +_rsaz_512_reduce: +___ +if (1) { +$code.=<<___; + movq %r8, %rbx + imulq 128+8(%rsp), %rbx + movq 0(%rbp), %rax + movl \$8, %ecx + jmp .Lreduction_loop + +.align 32 +.Lreduction_loop: + mulq %rbx + movq 8(%rbp), %rax + negq %r8 + movq %rdx, %r8 + adcq \$0, %r8 + + mulq %rbx + addq %rax, %r9 + movq 16(%rbp), %rax + adcq \$0, %rdx + addq %r9, %r8 + movq %rdx, %r9 + adcq \$0, %r9 + + mulq %rbx + addq %rax, %r10 + movq 24(%rbp), %rax + adcq \$0, %rdx + addq %r10, %r9 + movq %rdx, %r10 + adcq \$0, %r10 + + mulq %rbx + addq %rax, %r11 + movq 32(%rbp), %rax + adcq \$0, %rdx + addq %r11, %r10 + movq 128+8(%rsp), %rsi + movq %rdx, %r11 + adcq \$0, %r11 + + mulq %rbx + addq %rax, %r12 + movq 40(%rbp), %rax + adcq \$0, %rdx + imulq %r8, %rsi + addq %r12, %r11 + movq %rdx, %r12 + adcq \$0, %r12 + + mulq %rbx + addq %rax, %r13 + movq 48(%rbp), %rax + adcq \$0, %rdx + addq %r13, %r12 + movq %rdx, %r13 + adcq \$0, %r13 + + mulq %rbx + addq %rax, %r14 + movq 56(%rbp), %rax + adcq \$0, %rdx + addq %r14, %r13 + movq %rdx, %r14 + adcq \$0, %r14 + + mulq %rbx + movq %rsi, %rbx + addq %rax, %r15 + movq 0(%rbp), %rax + adcq \$0, %rdx + addq %r15, %r14 + movq %rdx, %r15 + adcq \$0, %r15 + + decl %ecx + jne .Lreduction_loop +___ +} else { +$code.=<<___; + movq 128+8(%rsp), %rdx # pull $n0 + imulq %r8, %rdx + movl \$8, %ecx + jmp .Lreduction_loop + +.align 32 +.Lreduction_loop: + neg %r8 + mulx 0(%rbp), %rax, %r8 + adc %r9, %r8 + + mulx 8(%rbp), %rax, %r9 + adc \$0, %r9 + add %rax, %r8 + adc %r10, %r9 + + mulx 16(%rbp), %rax, %r10 + adc \$0, %r10 + mov 128+8(%rsp), %rbx # pull $n0 + imul %r8, %rbx + add %rax, %r9 + adc %r11, %r10 + + mulx 24(%rbp), %rax, %r11 + adc \$0, %r11 + add %rax, %r10 + adc %r12, %r11 + + mulx 32(%rbp), %rax, %r12 + adc \$0, %r12 + add %rax, %r11 + adc %r13, %r12 + + mulx 40(%rbp), %rax, %r13 + adc \$0, %r13 + add %rax, %r12 + adc %r14, %r13 + + mulx 48(%rbp), %rax, %r14 + adc \$0, %r14 + add %rax, %r13 + adc %r15, %r14 + + mulx 56(%rbp), %rax, %r15 + mov %rbx, %rdx + adc \$0, %r15 + add %rax, %r14 + adc \$0, %r15 + + dec %ecx + jne .Lreduction_loop +___ +} +$code.=<<___; + ret +.size _rsaz_512_reduce,.-_rsaz_512_reduce +___ +} +{ # _rsaz_512_subtract + # input: %r8-%r15, %rdi - $out, %rbp - $mod, %rcx - mask + # output: + # clobbers: everything but %rdi, %rsi and %rbp +$code.=<<___; +.type _rsaz_512_subtract,\@abi-omnipotent +.align 32 +_rsaz_512_subtract: + movq %r8, ($out) + movq %r9, 8($out) + movq %r10, 16($out) + movq %r11, 24($out) + movq %r12, 32($out) + movq %r13, 40($out) + movq %r14, 48($out) + movq %r15, 56($out) + + movq 0($mod), %r8 + movq 8($mod), %r9 + negq %r8 + notq %r9 + andq %rcx, %r8 + movq 16($mod), %r10 + andq %rcx, %r9 + notq %r10 + movq 24($mod), %r11 + andq %rcx, %r10 + notq %r11 + movq 32($mod), %r12 + andq %rcx, %r11 + notq %r12 + movq 40($mod), %r13 + andq %rcx, %r12 + notq %r13 + movq 48($mod), %r14 + andq %rcx, %r13 + notq %r14 + movq 56($mod), %r15 + andq %rcx, %r14 + notq %r15 + andq %rcx, %r15 + + addq ($out), %r8 + adcq 8($out), %r9 + adcq 16($out), %r10 + adcq 24($out), %r11 + adcq 32($out), %r12 + adcq 40($out), %r13 + adcq 48($out), %r14 + adcq 56($out), %r15 + + movq %r8, ($out) + movq %r9, 8($out) + movq %r10, 16($out) + movq %r11, 24($out) + movq %r12, 32($out) + movq %r13, 40($out) + movq %r14, 48($out) + movq %r15, 56($out) + + ret +.size _rsaz_512_subtract,.-_rsaz_512_subtract +___ +} +{ # _rsaz_512_mul + # + # input: %rsi - ap, %rbp - bp + # ouput: + # clobbers: everything +my ($ap,$bp) = ("%rsi","%rbp"); +$code.=<<___; +.type _rsaz_512_mul,\@abi-omnipotent +.align 32 +_rsaz_512_mul: + leaq 8(%rsp), %rdi + + movq ($bp), %rbx + movq ($ap), %rax + mulq %rbx + movq %rax, (%rdi) + movq 8($ap), %rax + movq %rdx, %r8 + + mulq %rbx + addq %rax, %r8 + movq 16($ap), %rax + movq %rdx, %r9 + adcq \$0, %r9 + + mulq %rbx + addq %rax, %r9 + movq 24($ap), %rax + movq %rdx, %r10 + adcq \$0, %r10 + + mulq %rbx + addq %rax, %r10 + movq 32($ap), %rax + movq %rdx, %r11 + adcq \$0, %r11 + + mulq %rbx + addq %rax, %r11 + movq 40($ap), %rax + movq %rdx, %r12 + adcq \$0, %r12 + + mulq %rbx + addq %rax, %r12 + movq 48($ap), %rax + movq %rdx, %r13 + adcq \$0, %r13 + + mulq %rbx + addq %rax, %r13 + movq 56($ap), %rax + movq %rdx, %r14 + adcq \$0, %r14 + + mulq %rbx + addq %rax, %r14 + movq ($ap), %rax + movq %rdx, %r15 + adcq \$0, %r15 + + leaq 8($bp), $bp + leaq 8(%rdi), %rdi + + movl \$7, %ecx + jmp .Loop_mul + +.align 32 +.Loop_mul: + movq ($bp), %rbx + mulq %rbx + addq %rax, %r8 + movq 8($ap), %rax + movq %r8, (%rdi) + movq %rdx, %r8 + adcq \$0, %r8 + + mulq %rbx + addq %rax, %r9 + movq 16($ap), %rax + adcq \$0, %rdx + addq %r9, %r8 + movq %rdx, %r9 + adcq \$0, %r9 + + mulq %rbx + addq %rax, %r10 + movq 24($ap), %rax + adcq \$0, %rdx + addq %r10, %r9 + movq %rdx, %r10 + adcq \$0, %r10 + + mulq %rbx + addq %rax, %r11 + movq 32($ap), %rax + adcq \$0, %rdx + addq %r11, %r10 + movq %rdx, %r11 + adcq \$0, %r11 + + mulq %rbx + addq %rax, %r12 + movq 40($ap), %rax + adcq \$0, %rdx + addq %r12, %r11 + movq %rdx, %r12 + adcq \$0, %r12 + + mulq %rbx + addq %rax, %r13 + movq 48($ap), %rax + adcq \$0, %rdx + addq %r13, %r12 + movq %rdx, %r13 + adcq \$0, %r13 + + mulq %rbx + addq %rax, %r14 + movq 56($ap), %rax + adcq \$0, %rdx + addq %r14, %r13 + movq %rdx, %r14 + leaq 8($bp), $bp + adcq \$0, %r14 + + mulq %rbx + addq %rax, %r15 + movq ($ap), %rax + adcq \$0, %rdx + addq %r15, %r14 + movq %rdx, %r15 + adcq \$0, %r15 + + leaq 8(%rdi), %rdi + + decl %ecx + jnz .Loop_mul + + movq %r8, (%rdi) + movq %r9, 8(%rdi) + movq %r10, 16(%rdi) + movq %r11, 24(%rdi) + movq %r12, 32(%rdi) + movq %r13, 40(%rdi) + movq %r14, 48(%rdi) + movq %r15, 56(%rdi) + + ret +.size _rsaz_512_mul,.-_rsaz_512_mul +___ +} +{ +my ($out,$inp,$power)= $win64 ? ("%rcx","%rdx","%r8d") : ("%rdi","%rsi","%edx"); +$code.=<<___; +.globl rsaz_512_scatter4 +.type rsaz_512_scatter4,\@abi-omnipotent +.align 16 +rsaz_512_scatter4: + leaq ($out,$power,4), $out + movl \$8, %r9d + jmp .Loop_scatter +.align 16 +.Loop_scatter: + movq ($inp), %rax + leaq 8($inp), $inp + movl %eax, ($out) + shrq \$32, %rax + movl %eax, 64($out) + leaq 128($out), $out + decl %r9d + jnz .Loop_scatter + ret +.size rsaz_512_scatter4,.-rsaz_512_scatter4 + +.globl rsaz_512_gather4 +.type rsaz_512_gather4,\@abi-omnipotent +.align 16 +rsaz_512_gather4: + leaq ($inp,$power,4), $inp + movl \$8, %r9d + jmp .Loop_gather +.align 16 +.Loop_gather: + movl ($inp), %eax + movl 64($inp), %r8d + leaq 128($inp), $inp + shlq \$32, %r8 + or %r8, %rax + movq %rax, ($out) + leaq 8($out), $out + decl %r9d + jnz .Loop_gather + ret +.size rsaz_512_gather4,.-rsaz_512_gather4 +___ +} + +# EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame, +# CONTEXT *context,DISPATCHER_CONTEXT *disp) +if ($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($disp),%r11 # disp->HandlerData + + mov 0(%r11),%r10d # HandlerData[0] + lea (%rsi,%r10),%r10 # end of prologue label + cmp %r10,%rbx # context->Rip<end of prologue label + jb .Lcommon_seh_tail + + mov 152($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 .Lcommon_seh_tail + + lea 128+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->R15 + +.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 $disp,%rsi + xor %rcx,%rcx # arg1, UNW_FLAG_NHANDLER + mov 8(%rsi),%rdx # arg2, disp->ImageBase + mov 0(%rsi),%r8 # arg3, disp->ControlPc + mov 16(%rsi),%r9 # arg4, disp->FunctionEntry + mov 40(%rsi),%r10 # disp->ContextRecord + lea 56(%rsi),%r11 # &disp->HandlerData + lea 24(%rsi),%r12 # &disp->EstablisherFrame + mov %r10,32(%rsp) # arg5 + mov %r11,40(%rsp) # arg6 + mov %r12,48(%rsp) # arg7 + mov %rcx,56(%rsp) # arg8, (NULL) + call *__imp_RtlVirtualUnwind(%rip) + + mov \$1,%eax # ExceptionContinueSearch + add \$64,%rsp + popfq + pop %r15 + pop %r14 + pop %r13 + pop %r12 + pop %rbp + pop %rbx + pop %rdi + pop %rsi + ret +.size sqr_handler,.-sqr_handler + +.section .pdata +.align 4 + .rva .LSEH_begin_rsaz_512_sqr + .rva .LSEH_end_rsaz_512_sqr + .rva .LSEH_info_rsaz_512_sqr + + .rva .LSEH_begin_rsaz_512_mul + .rva .LSEH_end_rsaz_512_mul + .rva .LSEH_info_rsaz_512_mul + + .rva .LSEH_begin_rsaz_512_mul_gather4 + .rva .LSEH_end_rsaz_512_mul_gather4 + .rva .LSEH_info_rsaz_512_mul_gather4 + + .rva .LSEH_begin_rsaz_512_mul_scatter4 + .rva .LSEH_end_rsaz_512_mul_scatter4 + .rva .LSEH_info_rsaz_512_mul_scatter4 + + .rva .LSEH_begin_rsaz_512_mul_by_one + .rva .LSEH_end_rsaz_512_mul_by_one + .rva .LSEH_info_rsaz_512_mul_by_one + +.section .xdata +.align 8 +.LSEH_info_rsaz_512_sqr: + .byte 9,0,0,0 + .rva se_handler + .rva .Lsqr_body,.Lsqr_epilogue # HandlerData[] +.LSEH_info_rsaz_512_mul: + .byte 9,0,0,0 + .rva se_handler + .rva .Lmul_body,.Lmul_epilogue # HandlerData[] +.LSEH_info_rsaz_512_mul_gather4: + .byte 9,0,0,0 + .rva se_handler + .rva .Lmul_gather4_body,.Lmul_gather4_epilogue # HandlerData[] +.LSEH_info_rsaz_512_mul_scatter4: + .byte 9,0,0,0 + .rva se_handler + .rva .Lmul_scatter4_body,.Lmul_scatter4_epilogue # HandlerData[] +.LSEH_info_rsaz_512_mul_by_one: + .byte 9,0,0,0 + .rva se_handler + .rva .Lmul_by_one_body,.Lmul_by_one_epilogue # HandlerData[] +___ +} + +$code =~ s/\`([^\`]*)\`/eval $1/gem; +print $code; +close STDOUT; |