Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/bn/asm/x86_64-gf2m.pl

Index: openssl/crypto/bn/asm/x86_64-gf2m.pl
diff --git a/openssl/crypto/bn/asm/x86_64-gf2m.pl b/openssl/crypto/bn/asm/x86_64-gf2m.pl
deleted file mode 100644
index cf9f48ee7c238daf7cfadfdb3b138289dd9ad1d5..0000000000000000000000000000000000000000
--- a/openssl/crypto/bn/asm/x86_64-gf2m.pl
+++ /dev/null
@@ -1,389 +0,0 @@
-#!/usr/bin/env perl
-#
-# ====================================================================
-# Written by Andy Polyakov <appro@openssl.org> for the OpenSSL
-# project. The module is, however, dual licensed under OpenSSL and
-# CRYPTOGAMS licenses depending on where you obtain it. For further
-# details see http://www.openssl.org/~appro/cryptogams/.
-# ====================================================================
-#
-# May 2011
-#
-# The module implements bn_GF2m_mul_2x2 polynomial multiplication used
-# in bn_gf2m.c. It's kind of low-hanging mechanical port from C for
-# the time being... Except that it has two code paths: code suitable
-# for any x86_64 CPU and PCLMULQDQ one suitable for Westmere and
-# later. Improvement varies from one benchmark and µ-arch to another.
-# Vanilla code path is at most 20% faster than compiler-generated code
-# [not very impressive], while PCLMULQDQ - whole 85%-160% better on
-# 163- and 571-bit ECDH benchmarks on Intel CPUs. Keep in mind that
-# these coefficients are not ones for bn_GF2m_mul_2x2 itself, as not
-# all CPU time is burnt in it...
-
-$flavour = shift;
-$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 $xlate) or
-die "can't locate x86_64-xlate.pl";
-
-open STDOUT,"| \"$^X\" $xlate $flavour $output";
-
-($lo,$hi)=("%rax","%rdx");	$a=$lo;
-($i0,$i1)=("%rsi","%rdi");
-($t0,$t1)=("%rbx","%rcx");
-($b,$mask)=("%rbp","%r8");
-($a1,$a2,$a4,$a8,$a12,$a48)=map("%r$_",(9..15));
-($R,$Tx)=("%xmm0","%xmm1");
-
-$code.=<<___;
-.text
-
-.type	_mul_1x1,\@abi-omnipotent
-.align	16
-_mul_1x1:
-	sub	\$128+8,%rsp
-	mov	\$-1,$a1
-	lea	($a,$a),$i0
-	shr	\$3,$a1
-	lea	(,$a,4),$i1
-	and	$a,$a1			# a1=a&0x1fffffffffffffff
-	lea	(,$a,8),$a8
-	sar	\$63,$a			# broadcast 63rd bit
-	lea	($a1,$a1),$a2
-	sar	\$63,$i0		# broadcast 62nd bit
-	lea	(,$a1,4),$a4
-	and	$b,$a
-	sar	\$63,$i1		# boardcast 61st bit
-	mov	$a,$hi			# $a is $lo
-	shl	\$63,$lo
-	and	$b,$i0
-	shr	\$1,$hi
-	mov	$i0,$t1
-	shl	\$62,$i0
-	and	$b,$i1
-	shr	\$2,$t1
-	xor	$i0,$lo
-	mov	$i1,$t0
-	shl	\$61,$i1
-	xor	$t1,$hi
-	shr	\$3,$t0
-	xor	$i1,$lo
-	xor	$t0,$hi
-
-	mov	$a1,$a12
-	movq	\$0,0(%rsp)		# tab[0]=0
-	xor	$a2,$a12		# a1^a2
-	mov	$a1,8(%rsp)		# tab[1]=a1
-	 mov	$a4,$a48
-	mov	$a2,16(%rsp)		# tab[2]=a2
-	 xor	$a8,$a48		# a4^a8
-	mov	$a12,24(%rsp)		# tab[3]=a1^a2
-
-	xor	$a4,$a1
-	mov	$a4,32(%rsp)		# tab[4]=a4
-	xor	$a4,$a2
-	mov	$a1,40(%rsp)		# tab[5]=a1^a4
-	xor	$a4,$a12
-	mov	$a2,48(%rsp)		# tab[6]=a2^a4
-	 xor	$a48,$a1		# a1^a4^a4^a8=a1^a8
-	mov	$a12,56(%rsp)		# tab[7]=a1^a2^a4
-	 xor	$a48,$a2		# a2^a4^a4^a8=a1^a8
-
-	mov	$a8,64(%rsp)		# tab[8]=a8
-	xor	$a48,$a12		# a1^a2^a4^a4^a8=a1^a2^a8
-	mov	$a1,72(%rsp)		# tab[9]=a1^a8
-	 xor	$a4,$a1			# a1^a8^a4
-	mov	$a2,80(%rsp)		# tab[10]=a2^a8
-	 xor	$a4,$a2			# a2^a8^a4
-	mov	$a12,88(%rsp)		# tab[11]=a1^a2^a8
-
-	xor	$a4,$a12		# a1^a2^a8^a4
-	mov	$a48,96(%rsp)		# tab[12]=a4^a8
-	 mov	$mask,$i0
-	mov	$a1,104(%rsp)		# tab[13]=a1^a4^a8
-	 and	$b,$i0
-	mov	$a2,112(%rsp)		# tab[14]=a2^a4^a8
-	 shr	\$4,$b
-	mov	$a12,120(%rsp)		# tab[15]=a1^a2^a4^a8
-	 mov	$mask,$i1
-	 and	$b,$i1
-	 shr	\$4,$b
-
-	movq	(%rsp,$i0,8),$R		# half of calculations is done in SSE2
-	mov	$mask,$i0
-	and	$b,$i0
-	shr	\$4,$b
-___
-    for ($n=1;$n<8;$n++) {
-	$code.=<<___;
-	mov	(%rsp,$i1,8),$t1
-	mov	$mask,$i1
-	mov	$t1,$t0
-	shl	\$`8*$n-4`,$t1
-	and	$b,$i1
-	 movq	(%rsp,$i0,8),$Tx
-	shr	\$`64-(8*$n-4)`,$t0
-	xor	$t1,$lo
-	 pslldq	\$$n,$Tx
-	 mov	$mask,$i0
-	shr	\$4,$b
-	xor	$t0,$hi
-	 and	$b,$i0
-	 shr	\$4,$b
-	 pxor	$Tx,$R
-___
-    }
-$code.=<<___;
-	mov	(%rsp,$i1,8),$t1
-	mov	$t1,$t0
-	shl	\$`8*$n-4`,$t1
-	movq	$R,$i0
-	shr	\$`64-(8*$n-4)`,$t0
-	xor	$t1,$lo
-	psrldq	\$8,$R
-	xor	$t0,$hi
-	movq	$R,$i1
-	xor	$i0,$lo
-	xor	$i1,$hi
-
-	add	\$128+8,%rsp
-	ret
-.Lend_mul_1x1:
-.size	_mul_1x1,.-_mul_1x1
-___
-
-($rp,$a1,$a0,$b1,$b0) = $win64?	("%rcx","%rdx","%r8", "%r9","%r10") :	# Win64 order
-				("%rdi","%rsi","%rdx","%rcx","%r8");	# Unix order
-
-$code.=<<___;
-.extern	OPENSSL_ia32cap_P
-.globl	bn_GF2m_mul_2x2
-.type	bn_GF2m_mul_2x2,\@abi-omnipotent
-.align	16
-bn_GF2m_mul_2x2:
-	mov	OPENSSL_ia32cap_P(%rip),%rax
-	bt	\$33,%rax
-	jnc	.Lvanilla_mul_2x2
-
-	movq		$a1,%xmm0
-	movq		$b1,%xmm1
-	movq		$a0,%xmm2
-___
-$code.=<<___ if ($win64);
-	movq		40(%rsp),%xmm3
-___
-$code.=<<___ if (!$win64);
-	movq		$b0,%xmm3
-___
-$code.=<<___;
-	movdqa		%xmm0,%xmm4
-	movdqa		%xmm1,%xmm5
-	pclmulqdq	\$0,%xmm1,%xmm0	# a1·b1
-	pxor		%xmm2,%xmm4
-	pxor		%xmm3,%xmm5
-	pclmulqdq	\$0,%xmm3,%xmm2	# a0·b0
-	pclmulqdq	\$0,%xmm5,%xmm4	# (a0+a1)·(b0+b1)
-	xorps		%xmm0,%xmm4
-	xorps		%xmm2,%xmm4	# (a0+a1)·(b0+b1)-a0·b0-a1·b1
-	movdqa		%xmm4,%xmm5
-	pslldq		\$8,%xmm4
-	psrldq		\$8,%xmm5
-	pxor		%xmm4,%xmm2
-	pxor		%xmm5,%xmm0
-	movdqu		%xmm2,0($rp)
-	movdqu		%xmm0,16($rp)
-	ret
-
-.align	16
-.Lvanilla_mul_2x2:
-	lea	-8*17(%rsp),%rsp
-___
-$code.=<<___ if ($win64);
-	mov	`8*17+40`(%rsp),$b0
-	mov	%rdi,8*15(%rsp)
-	mov	%rsi,8*16(%rsp)
-___
-$code.=<<___;
-	mov	%r14,8*10(%rsp)
-	mov	%r13,8*11(%rsp)
-	mov	%r12,8*12(%rsp)
-	mov	%rbp,8*13(%rsp)
-	mov	%rbx,8*14(%rsp)
-.Lbody_mul_2x2:
-	mov	$rp,32(%rsp)		# save the arguments
-	mov	$a1,40(%rsp)
-	mov	$a0,48(%rsp)
-	mov	$b1,56(%rsp)
-	mov	$b0,64(%rsp)
-
-	mov	\$0xf,$mask
-	mov	$a1,$a
-	mov	$b1,$b
-	call	_mul_1x1		# a1·b1
-	mov	$lo,16(%rsp)
-	mov	$hi,24(%rsp)
-
-	mov	48(%rsp),$a
-	mov	64(%rsp),$b
-	call	_mul_1x1		# a0·b0
-	mov	$lo,0(%rsp)
-	mov	$hi,8(%rsp)
-
-	mov	40(%rsp),$a
-	mov	56(%rsp),$b
-	xor	48(%rsp),$a
-	xor	64(%rsp),$b
-	call	_mul_1x1		# (a0+a1)·(b0+b1)
-___
-	@r=("%rbx","%rcx","%rdi","%rsi");
-$code.=<<___;
-	mov	0(%rsp),@r[0]
-	mov	8(%rsp),@r[1]
-	mov	16(%rsp),@r[2]
-	mov	24(%rsp),@r[3]
-	mov	32(%rsp),%rbp
-
-	xor	$hi,$lo
-	xor	@r[1],$hi
-	xor	@r[0],$lo
-	mov	@r[0],0(%rbp)
-	xor	@r[2],$hi
-	mov	@r[3],24(%rbp)
-	xor	@r[3],$lo
-	xor	@r[3],$hi
-	xor	$hi,$lo
-	mov	$hi,16(%rbp)
-	mov	$lo,8(%rbp)
-
-	mov	8*10(%rsp),%r14
-	mov	8*11(%rsp),%r13
-	mov	8*12(%rsp),%r12
-	mov	8*13(%rsp),%rbp
-	mov	8*14(%rsp),%rbx
-___
-$code.=<<___ if ($win64);
-	mov	8*15(%rsp),%rdi
-	mov	8*16(%rsp),%rsi
-___
-$code.=<<___;
-	lea	8*17(%rsp),%rsp
-	ret
-.Lend_mul_2x2:
-.size	bn_GF2m_mul_2x2,.-bn_GF2m_mul_2x2
-.asciz	"GF(2^m) Multiplication for x86_64, CRYPTOGAMS by <appro\@openssl.org>"
-.align	16
-___
-
-# 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	152($context),%rax	# pull context->Rsp
-	mov	248($context),%rbx	# pull context->Rip
-
-	lea	.Lbody_mul_2x2(%rip),%r10
-	cmp	%r10,%rbx		# context->Rip<"prologue" label
-	jb	.Lin_prologue
-
-	mov	8*10(%rax),%r14		# mimic epilogue
-	mov	8*11(%rax),%r13
-	mov	8*12(%rax),%r12
-	mov	8*13(%rax),%rbp
-	mov	8*14(%rax),%rbx
-	mov	8*15(%rax),%rdi
-	mov	8*16(%rax),%rsi
-
-	mov	%rbx,144($context)	# restore context->Rbx
-	mov	%rbp,160($context)	# restore context->Rbp
-	mov	%rsi,168($context)	# restore context->Rsi
-	mov	%rdi,176($context)	# restore context->Rdi
-	mov	%r12,216($context)	# restore context->R12
-	mov	%r13,224($context)	# restore context->R13
-	mov	%r14,232($context)	# restore context->R14
-
-.Lin_prologue:
-	lea	8*17(%rax),%rax
-	mov	%rax,152($context)	# restore context->Rsp
-
-	mov	40($disp),%rdi		# disp->ContextRecord
-	mov	$context,%rsi		# context
-	mov	\$154,%ecx		# sizeof(CONTEXT)
-	.long	0xa548f3fc		# cld; rep movsq
-
-	mov	$disp,%rsi
-	xor	%rcx,%rcx		# arg1, UNW_FLAG_NHANDLER
-	mov	8(%rsi),%rdx		# arg2, disp->ImageBase
-	mov	0(%rsi),%r8		# arg3, disp->ControlPc
-	mov	16(%rsi),%r9		# arg4, disp->FunctionEntry
-	mov	40(%rsi),%r10		# disp->ContextRecord
-	lea	56(%rsi),%r11		# &disp->HandlerData
-	lea	24(%rsi),%r12		# &disp->EstablisherFrame
-	mov	%r10,32(%rsp)		# arg5
-	mov	%r11,40(%rsp)		# arg6
-	mov	%r12,48(%rsp)		# arg7
-	mov	%rcx,56(%rsp)		# arg8, (NULL)
-	call	*__imp_RtlVirtualUnwind(%rip)
-
-	mov	\$1,%eax		# ExceptionContinueSearch
-	add	\$64,%rsp
-	popfq
-	pop	%r15
-	pop	%r14
-	pop	%r13
-	pop	%r12
-	pop	%rbp
-	pop	%rbx
-	pop	%rdi
-	pop	%rsi
-	ret
-.size	se_handler,.-se_handler
-
-.section	.pdata
-.align	4
-	.rva	_mul_1x1
-	.rva	.Lend_mul_1x1
-	.rva	.LSEH_info_1x1
-
-	.rva	.Lvanilla_mul_2x2
-	.rva	.Lend_mul_2x2
-	.rva	.LSEH_info_2x2
-.section	.xdata
-.align	8
-.LSEH_info_1x1:
-	.byte	0x01,0x07,0x02,0x00
-	.byte	0x07,0x01,0x11,0x00	# sub rsp,128+8
-.LSEH_info_2x2:
-	.byte	9,0,0,0
-	.rva	se_handler
-___
-}
-
-$code =~ s/\`([^\`]*)\`/eval($1)/gem;
-print $code;
-close STDOUT;