--- /dev/null	Wed Jan  2 14:48:54 2008
+++ new/usr/src/common/crypto/md5/amd64/md5_amd64.pl	Wed Jan  2 14:48:54 2008
@@ -0,0 +1,352 @@
+#!/usr/bin/perl -w
+use strict;
+my $code .= <<EOF;
+#if !defined(lint) && !defined(__lint)
+/
+/ MD5 optimized for AMD64.
+/
+/ Author: Marc Bevand <bevand_m (at) epita.fr>
+/ Licence: I hereby disclaim the copyright on this code and place it
+/ in the public domain.
+/
+
+	.ident	"@(#)md5_amd64.pl	1.1	08/01/02 SMI"
+
+/
+/ The following is Marc Bevand's MD5 implementation optimized for
+/ AMD64.  It has been lifted intact, except for changing the comment
+/ character, adding comments, and a kludge to generate valid "lea"
+/ instructions that are not generated by the Solaris "as" assembler
+/ (CR 6628627).
+/
+/ typedef struct {
+/	uint32_t state[4];	/* state (ABCD) */
+/	uint32_t count[2];	/* number of bits, modulo 2^64 (lsb first) */
+/	union	{
+/		uint8_t		buf8[64];	/* undigested input */
+/		uint32_t	buf32[16];	/* realigned input */
+/		} buf_un;
+/	} MD5_CTX;
+/
+/ void md5_block_asm_host_order(MD5_CTX *ctx, const void *inpp,
+/        unsigned int input_length_in_blocks);
+/
+/ Registers used:
+/	rax  A		r8  old A
+/	rbx  B		r9  old B
+/	rcx  C		r10 tmp
+/	rdx  D		r11 tmp
+/	rsi  ptr	r12 tmp
+/	rdi  end	r13 -
+/	rbp  -		r14 old C
+/	rsp  stack	r15 old D
+/
+
+EOF
+
+
+sub lea_offset_register_r10d_ebx
+# Workaround for a Solaris "gas" assembler bug where compiling the source
+# errors out and does not generate a valid "lea" instruction.  Specifically,
+#	lea OFFSET(REGISTER,%r10d),REGISTER
+#
+# For Solaris as, "as -a32" must be used to compile this.
+# For Solaris gas 2.15, this errors out with this message:
+# Error: `0xf57c0faf(%eax,%r10d)' is not a valid 64 bit base/index expression
+# This should be fixed in Solaris gas 2.16.
+# It assembles with the Linux "as --64" gas 2.17 assembler and runs OK.
+#
+# For the ONBLD NV tools, the aw wrapper script fails when -a32 is used:
+# /ws/onnv-tools/onbld/bin/i386/aw -xarch=amd64 -P -a32 -o lea.o lea.s
+# aw: as->gas mapping failed at or near arg '-a32'
+#
+# For more information, see CRs 6644870 and 6628627.
+# Note2: Solaris "as" uses "/" for comments; Linux "as" uses "#" for comments.
+{
+	use Switch;
+	my ($offset, $register, $comment) = @_;
+
+	# Failed "lea" instruction.
+	# This instruction errors out from the Solaris as assembler.
+	# It assembles with the Linux "as --64" assembler and runs OK.
+	$code .= "	/ lea $offset($register,%r10d),$register"
+						. "	$comment\n";
+
+	# Workaround #1 (not used)
+	# One workaround is to generate two "add" instructions that are
+	# functionally equivalent to "lea."  The problem is this workaround
+	# is about 4.5% slower than a lea, so is not used.
+	#$code .= "	add	%r10d,$register\n";
+	#$code .= "	add	\&0x%0x,$offset\n";
+
+	# Workaround #2 (used)
+	# This workaround hand-generates hex machine code for lea.
+	$code .= "	/ Solaris as assembly bug CR 6628627 errors out for\n";
+	$code .= "	/ the above, so we specify the machine code in hex:\n";
+	$code .= "	.byte	0x67,0x42,0x8d	/ lea offset(reg,%r10d),reg\n";
+
+	switch ($register) {
+	case "%eax"	{ $code .= "	.byte	0x84,0x10	/ reg=%eax\n"; }
+	case "%ebx"	{ $code .= "	.byte	0x9c,0x13	/ reg=%ebx\n"; }
+	case "%ecx"	{ $code .= "	.byte	0x8c,0x11	/ reg=%ecx\n"; }
+	case "%edx"	{ $code .= "	.byte	0x94,0x12	/ reg=%edx\n"; }
+	else		{ $code .= "ERROR: unknown register $register\n"; }
+	}
+
+	$code .= "	.long	$offset	/ offset\n";
+}
+
+
+
+# round1_step() does:
+#   dst = x + ((dst + F(x,y,z) + X[k] + T_i) <<< s)
+#   %r10d = X[k_next]
+#   %r11d = z' (copy of z for the next step)
+# Each round1_step() takes about 5.3 clocks (9 instructions, 1.7 IPC)
+sub round1_step
+{
+    my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_;
+    $code .= "	mov	0*4(%rsi),	%r10d		/* (NEXT STEP) X[0] */\n" if ($pos == -1);
+    $code .= "	mov	%edx,		%r11d		/* (NEXT STEP) z' = %edx */\n" if ($pos == -1);
+    $code .= "	xor	$y,		%r11d		/* y ^ ... */\n";
+	#lea	$T_i($dst,%r10d),$dst		/* Const + dst + ... */
+	lea_offset_register_r10d_ebx($T_i, $dst, "/* Const + dst + ... */");
+    $code .= <<EOF;
+	and	$x,		%r11d		/* x & ... */
+	xor	$z,		%r11d		/* z ^ ... */
+	mov	$k_next*4(%rsi),%r10d		/* (NEXT STEP) X[$k_next] */
+	add	%r11d,		$dst		/* dst += ... */
+	rol	\$$s,		$dst		/* dst <<< s */
+	mov	$y,		%r11d		/* (NEXT STEP) z' = $y */
+	add	$x,		$dst		/* dst += x */
+EOF
+}
+
+# round2_step() does:
+#   dst = x + ((dst + G(x,y,z) + X[k] + T_i) <<< s)
+#   %r10d = X[k_next]
+#   %r11d = z' (copy of z for the next step)
+#   %r12d = z' (copy of z for the next step)
+# Each round2_step() takes about 5.4 clocks (11 instructions, 2.0 IPC)
+sub round2_step
+{
+    my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_;
+    $code .= "	mov	1*4(%rsi),	%r10d		/* (NEXT STEP) X[1] */\n" if ($pos == -1);
+    $code .= "	mov	%edx,		%r11d		/* (NEXT STEP) z' = %edx */\n" if ($pos == -1);
+    $code .= "	mov	%edx,		%r12d		/* (NEXT STEP) z' = %edx */\n" if ($pos == -1);
+    $code .= "	not	%r11d				/* not z */\n";
+	#lea	$T_i($dst,%r10d),$dst		/* Const + dst + ... */
+	lea_offset_register_r10d_ebx($T_i, $dst, "/* Const + dst + ... */");
+    $code .= <<EOF;
+	and	$x,		%r12d		/* x & z */
+	and	$y,		%r11d		/* y & (not z) */
+	mov	$k_next*4(%rsi),%r10d		/* (NEXT STEP) X[$k_next] */
+	or	%r11d,		%r12d		/* (y & (not z)) | (x & z) */
+	mov	$y,		%r11d		/* (NEXT STEP) z' = $y */
+	add	%r12d,		$dst		/* dst += ... */
+	mov	$y,		%r12d		/* (NEXT STEP) z' = $y */
+	rol	\$$s,		$dst		/* dst <<< s */
+	add	$x,		$dst		/* dst += x */
+EOF
+}
+
+# round3_step() does:
+#   dst = x + ((dst + H(x,y,z) + X[k] + T_i) <<< s)
+#   %r10d = X[k_next]
+#   %r11d = y' (copy of y for the next step)
+# Each round3_step() takes about 4.2 clocks (8 instructions, 1.9 IPC)
+sub round3_step
+{
+    my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_;
+    $code .= "	mov	5*4(%rsi),	%r10d		/* (NEXT STEP) X[5] */\n" if ($pos == -1);
+    $code .= "	mov	%ecx,		%r11d		/* (NEXT STEP) y' = %ecx */\n" if ($pos == -1);
+	#lea	$T_i($dst,%r10d),$dst		/* Const + dst + ... */
+	lea_offset_register_r10d_ebx($T_i, $dst, "/* Const + dst + ... */");
+    $code .= <<EOF;
+	mov	$k_next*4(%rsi),%r10d		/* (NEXT STEP) X[$k_next] */
+	xor	$z,		%r11d		/* z ^ ... */
+	xor	$x,		%r11d		/* x ^ ... */
+	add	%r11d,		$dst		/* dst += ... */
+	rol	\$$s,		$dst		/* dst <<< s */
+	mov	$x,		%r11d		/* (NEXT STEP) y' = $x */
+	add	$x,		$dst		/* dst += x */
+EOF
+}
+
+# round4_step() does:
+#   dst = x + ((dst + I(x,y,z) + X[k] + T_i) <<< s)
+#   %r10d = X[k_next]
+#   %r11d = not z' (copy of not z for the next step)
+# Each round4_step() takes about 5.2 clocks (9 instructions, 1.7 IPC)
+sub round4_step
+{
+    my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_;
+    $code .= "	mov	0*4(%rsi),	%r10d		/* (NEXT STEP) X[0] */\n" if ($pos == -1);
+    $code .= "	mov	\$0xffffffff,	%r11d\n" if ($pos == -1);
+    $code .= "	xor	%edx,		%r11d		/* (NEXT STEP) not z' = not %edx*/\n"
+    if ($pos == -1);
+	#lea	$T_i($dst,%r10d),$dst		/* Const + dst + ... */
+	lea_offset_register_r10d_ebx($T_i, $dst, "/* Const + dst + ... */");
+    $code .= <<EOF;
+	or	$x,		%r11d		/* x | ... */
+	xor	$y,		%r11d		/* y ^ ... */
+	add	%r11d,		$dst		/* dst += ... */
+	mov	$k_next*4(%rsi),%r10d		/* (NEXT STEP) X[$k_next] */
+	mov	\$0xffffffff,	%r11d
+	rol	\$$s,		$dst		/* dst <<< s */
+	xor	$y,		%r11d		/* (NEXT STEP) not z' = not $y */
+	add	$x,		$dst		/* dst += x */
+EOF
+}
+
+
+#
+# Execution begins here.
+#
+
+my $output = shift;
+open STDOUT,">$output" or die "can't open $output: $!";
+
+$code .= <<EOF;
+
+#include <sys/asm_linkage.h>
+
+	ENTRY_NP(md5_block_asm_host_order)
+	push	%rbp
+	push	%rbx
+	push	%r12
+	push	%r13
+	push	%r14
+	push	%r15
+
+	/ rdi = arg #1 (ctx, MD5_CTX pointer)
+	/ rsi = arg #2 (ptr, data pointer)
+	/ rdx = arg #3 (nbr, number of 64-byte blocks to process)
+	mov	%rdi,		%rbp	/ rbp = ctx
+	shl	\$6,		%rdx	/ rdx = nbr in bytes
+	lea	(%rsi,%rdx),	%rdi	/ rdi = end
+	mov	0*4(%rbp),	%eax	/ eax = ctx->A
+	mov	1*4(%rbp),	%ebx	/ ebx = ctx->B
+	mov	2*4(%rbp),	%ecx	/ ecx = ctx->C
+	mov	3*4(%rbp),	%edx	/ edx = ctx->D
+	push	%rbp			/ save ctx
+	/ end is 'rdi'
+	/ ptr is 'rsi'
+	/ A is 'eax'
+	/ B is 'ebx'
+	/ C is 'ecx'
+	/ D is 'edx'
+
+	cmp	%rdi,		%rsi		/ cmp end with ptr
+	je	1f				/ jmp if ptr == end
+
+	/ BEGIN of loop over 64-byte blocks
+2:	/ save old values of A, B, C, D
+	mov	%eax,		%r8d
+	mov	%ebx,		%r9d
+	mov	%ecx,		%r14d
+	mov	%edx,		%r15d
+EOF
+round1_step(-1,'%eax','%ebx','%ecx','%edx', '1','0xd76aa478', '7');
+round1_step( 0,'%edx','%eax','%ebx','%ecx', '2','0xe8c7b756','12');
+round1_step( 0,'%ecx','%edx','%eax','%ebx', '3','0x242070db','17');
+round1_step( 0,'%ebx','%ecx','%edx','%eax', '4','0xc1bdceee','22');
+round1_step( 0,'%eax','%ebx','%ecx','%edx', '5','0xf57c0faf', '7');
+round1_step( 0,'%edx','%eax','%ebx','%ecx', '6','0x4787c62a','12');
+round1_step( 0,'%ecx','%edx','%eax','%ebx', '7','0xa8304613','17');
+round1_step( 0,'%ebx','%ecx','%edx','%eax', '8','0xfd469501','22');
+round1_step( 0,'%eax','%ebx','%ecx','%edx', '9','0x698098d8', '7');
+round1_step( 0,'%edx','%eax','%ebx','%ecx','10','0x8b44f7af','12');
+round1_step( 0,'%ecx','%edx','%eax','%ebx','11','0xffff5bb1','17');
+round1_step( 0,'%ebx','%ecx','%edx','%eax','12','0x895cd7be','22');
+round1_step( 0,'%eax','%ebx','%ecx','%edx','13','0x6b901122', '7');
+round1_step( 0,'%edx','%eax','%ebx','%ecx','14','0xfd987193','12');
+round1_step( 0,'%ecx','%edx','%eax','%ebx','15','0xa679438e','17');
+round1_step( 1,'%ebx','%ecx','%edx','%eax', '0','0x49b40821','22');
+
+round2_step(-1,'%eax','%ebx','%ecx','%edx', '6','0xf61e2562', '5');
+round2_step( 0,'%edx','%eax','%ebx','%ecx','11','0xc040b340', '9');
+round2_step( 0,'%ecx','%edx','%eax','%ebx', '0','0x265e5a51','14');
+round2_step( 0,'%ebx','%ecx','%edx','%eax', '5','0xe9b6c7aa','20');
+round2_step( 0,'%eax','%ebx','%ecx','%edx','10','0xd62f105d', '5');
+round2_step( 0,'%edx','%eax','%ebx','%ecx','15', '0x2441453', '9');
+round2_step( 0,'%ecx','%edx','%eax','%ebx', '4','0xd8a1e681','14');
+round2_step( 0,'%ebx','%ecx','%edx','%eax', '9','0xe7d3fbc8','20');
+round2_step( 0,'%eax','%ebx','%ecx','%edx','14','0x21e1cde6', '5');
+round2_step( 0,'%edx','%eax','%ebx','%ecx', '3','0xc33707d6', '9');
+round2_step( 0,'%ecx','%edx','%eax','%ebx', '8','0xf4d50d87','14');
+round2_step( 0,'%ebx','%ecx','%edx','%eax','13','0x455a14ed','20');
+round2_step( 0,'%eax','%ebx','%ecx','%edx', '2','0xa9e3e905', '5');
+round2_step( 0,'%edx','%eax','%ebx','%ecx', '7','0xfcefa3f8', '9');
+round2_step( 0,'%ecx','%edx','%eax','%ebx','12','0x676f02d9','14');
+round2_step( 1,'%ebx','%ecx','%edx','%eax', '0','0x8d2a4c8a','20');
+
+round3_step(-1,'%eax','%ebx','%ecx','%edx', '8','0xfffa3942', '4');
+round3_step( 0,'%edx','%eax','%ebx','%ecx','11','0x8771f681','11');
+round3_step( 0,'%ecx','%edx','%eax','%ebx','14','0x6d9d6122','16');
+round3_step( 0,'%ebx','%ecx','%edx','%eax', '1','0xfde5380c','23');
+round3_step( 0,'%eax','%ebx','%ecx','%edx', '4','0xa4beea44', '4');
+round3_step( 0,'%edx','%eax','%ebx','%ecx', '7','0x4bdecfa9','11');
+round3_step( 0,'%ecx','%edx','%eax','%ebx','10','0xf6bb4b60','16');
+round3_step( 0,'%ebx','%ecx','%edx','%eax','13','0xbebfbc70','23');
+round3_step( 0,'%eax','%ebx','%ecx','%edx', '0','0x289b7ec6', '4');
+round3_step( 0,'%edx','%eax','%ebx','%ecx', '3','0xeaa127fa','11');
+round3_step( 0,'%ecx','%edx','%eax','%ebx', '6','0xd4ef3085','16');
+round3_step( 0,'%ebx','%ecx','%edx','%eax', '9', '0x4881d05','23');
+round3_step( 0,'%eax','%ebx','%ecx','%edx','12','0xd9d4d039', '4');
+round3_step( 0,'%edx','%eax','%ebx','%ecx','15','0xe6db99e5','11');
+round3_step( 0,'%ecx','%edx','%eax','%ebx', '2','0x1fa27cf8','16');
+round3_step( 1,'%ebx','%ecx','%edx','%eax', '0','0xc4ac5665','23');
+
+round4_step(-1,'%eax','%ebx','%ecx','%edx', '7','0xf4292244', '6');
+round4_step( 0,'%edx','%eax','%ebx','%ecx','14','0x432aff97','10');
+round4_step( 0,'%ecx','%edx','%eax','%ebx', '5','0xab9423a7','15');
+round4_step( 0,'%ebx','%ecx','%edx','%eax','12','0xfc93a039','21');
+round4_step( 0,'%eax','%ebx','%ecx','%edx', '3','0x655b59c3', '6');
+round4_step( 0,'%edx','%eax','%ebx','%ecx','10','0x8f0ccc92','10');
+round4_step( 0,'%ecx','%edx','%eax','%ebx', '1','0xffeff47d','15');
+round4_step( 0,'%ebx','%ecx','%edx','%eax', '8','0x85845dd1','21');
+round4_step( 0,'%eax','%ebx','%ecx','%edx','15','0x6fa87e4f', '6');
+round4_step( 0,'%edx','%eax','%ebx','%ecx', '6','0xfe2ce6e0','10');
+round4_step( 0,'%ecx','%edx','%eax','%ebx','13','0xa3014314','15');
+round4_step( 0,'%ebx','%ecx','%edx','%eax', '4','0x4e0811a1','21');
+round4_step( 0,'%eax','%ebx','%ecx','%edx','11','0xf7537e82', '6');
+round4_step( 0,'%edx','%eax','%ebx','%ecx', '2','0xbd3af235','10');
+round4_step( 0,'%ecx','%edx','%eax','%ebx', '9','0x2ad7d2bb','15');
+round4_step( 1,'%ebx','%ecx','%edx','%eax', '0','0xeb86d391','21');
+$code .= <<EOF;
+	/ add old values of A, B, C, D
+	add	%r8d,	%eax
+	add	%r9d,	%ebx
+	add	%r14d,	%ecx
+	add	%r15d,	%edx
+
+	/ loop control
+	add	\$64,		%rsi		/ ptr += 64
+	cmp	%rdi,		%rsi		/ cmp end with ptr
+	jb	2b				/ jmp if ptr < end
+	/ END of loop over 64-byte blocks
+
+1:	pop	%rbp				/ restore ctx
+	mov	%eax,		0*4(%rbp)	/ ctx->A = A
+	mov	%ebx,		1*4(%rbp)	/ ctx->B = B
+	mov	%ecx,		2*4(%rbp)	/ ctx->C = C
+	mov	%edx,		3*4(%rbp)	/ ctx->D = D
+
+	pop	%r15
+	pop	%r14
+	pop	%r13
+	pop	%r12
+	pop	%rbx
+	pop	%rbp
+	ret
+	SET_SIZE(md5_block_asm_host_order)
+
+
+#else
+	/* LINTED */
+	/* Nothing to be linted in this file--it's pure assembly source. */
+#endif /* !lint && !__lint */
+EOF
+
+print $code;
