svn merge -r514:HEAD ^/branches/released .

1 files changed, 140 insertions, 16 deletions

diff --git a/openssl/crypto/md5/asm/md5-x86_64.pl b/openssl/crypto/md5/asm/md5-x86_64.pl
index 9a6fa6722..867885435 100644
--- a/openssl/crypto/md5/asm/md5-x86_64.pl
+++ b/openssl/crypto/md5/asm/md5-x86_64.pl
@@ -15,7 +15,7 @@ my $code;
 #   dst = x + ((dst + F(x,y,z) + X[k] + T_i) <<< s)
 #   %r10d = X[k_next]
 #   %r11d = z' (copy of z for the next step)
-# Each round1_step() takes about 5.71 clocks (9 instructions, 1.58 IPC)
+# Each round1_step() takes about 5.3 clocks (9 instructions, 1.7 IPC)
 sub round1_step
 {
     my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_;
@@ -37,22 +37,26 @@ EOF
 # round2_step() does:
 #   dst = x + ((dst + G(x,y,z) + X[k] + T_i) <<< s)
 #   %r10d = X[k_next]
-#   %r11d = y' (copy of y for the next step)
-# Each round2_step() takes about 6.22 clocks (9 instructions, 1.45 IPC)
+#   %r11d = z' (copy of z for the next step)
+#   %r12d = z' (copy of z for the next step)
+# Each round2_step() takes about 5.4 clocks (11 instructions, 2.0 IPC)
 sub round2_step
 {
     my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_;
     $code .= " mov	1*4(%rsi),	%r10d		/* (NEXT STEP) X[1] */\n" if ($pos == -1);
-    $code .= " mov	%ecx,		%r11d		/* (NEXT STEP) y' = %ecx */\n" if ($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 .= <<EOF;
-	xor	$x,		%r11d		/* x ^ ... */
+	not	%r11d				/* not z */
 	lea	$T_i($dst,%r10d),$dst		/* Const + dst + ... */
-	and	$z,		%r11d		/* z & ... */
-	xor	$y,		%r11d		/* y ^ ... */
+	and	$x,		%r12d		/* x & z */
+	and	$y,		%r11d		/* y & (not z) */
 	mov	$k_next*4(%rsi),%r10d		/* (NEXT STEP) X[$k_next] */
-	add	%r11d,		$dst		/* dst += ... */
+	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 */
-	mov	$x,		%r11d		/* (NEXT STEP) y' = $x */
 	add	$x,		$dst		/* dst += x */
 EOF
 }
@@ -61,7 +65,7 @@ EOF
 #   dst = x + ((dst + H(x,y,z) + X[k] + T_i) <<< s)
 #   %r10d = X[k_next]
 #   %r11d = y' (copy of y for the next step)
-# Each round3_step() takes about 4.26 clocks (8 instructions, 1.88 IPC)
+# Each round3_step() takes about 4.2 clocks (8 instructions, 1.9 IPC)
 sub round3_step
 {
     my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_;
@@ -83,7 +87,7 @@ EOF
 #   dst = x + ((dst + I(x,y,z) + X[k] + T_i) <<< s)
 #   %r10d = X[k_next]
 #   %r11d = not z' (copy of not z for the next step)
-# Each round4_step() takes about 5.27 clocks (9 instructions, 1.71 IPC)
+# Each round4_step() takes about 5.2 clocks (9 instructions, 1.7 IPC)
 sub round4_step
 {
     my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_;
@@ -104,8 +108,19 @@ sub round4_step
 EOF
 }
 
-my $output = shift;
-open STDOUT,"| $^X ../perlasm/x86_64-xlate.pl $output";
+my $flavour = shift;
+my $output  = shift;
+if ($flavour =~ /\./) { $output = $flavour; undef $flavour; }
+
+my $win64=0; $win64=1 if ($flavour =~ /[nm]asm|mingw64/ || $output =~ /\.asm$/);
+
+$0 =~ m/(.*[\/\\])[^\/\\]+$/; my $dir=$1; my $xlate;
+( $xlate="${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";
+
+no warnings qw(uninitialized);
+open STDOUT,"| $^X $xlate $flavour $output";
 
 $code .= <<EOF;
 .text
@@ -116,8 +131,10 @@ $code .= <<EOF;
 md5_block_asm_data_order:
 	push	%rbp
 	push	%rbx
+	push	%r12
 	push	%r14
 	push	%r15
+.Lprologue:
 
 	# rdi = arg #1 (ctx, MD5_CTX pointer)
 	# rsi = arg #2 (ptr, data pointer)
@@ -232,13 +249,120 @@ $code .= <<EOF;
 	mov	%ecx,		2*4(%rbp)	# ctx->C = C
 	mov	%edx,		3*4(%rbp)	# ctx->D = D
 
+	mov	(%rsp),%r15
+	mov	8(%rsp),%r14
+	mov	16(%rsp),%r12
+	mov	24(%rsp),%rbx
+	mov	32(%rsp),%rbp
+	add	\$40,%rsp
+.Lepilogue:
+	ret
+.size md5_block_asm_data_order,.-md5_block_asm_data_order
+EOF
+
+# EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame,
+#		CONTEXT *context,DISPATCHER_CONTEXT *disp)
+if ($win64) {
+my $rec="%rcx";
+my $frame="%rdx";
+my $context="%r8";
+my $disp="%r9";
+
+$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
+
+	lea	.Lprologue(%rip),%r10
+	cmp	%r10,%rbx		# context->Rip<.Lprologue
+	jb	.Lin_prologue
+
+	mov	152($context),%rax	# pull context->Rsp
+
+	lea	.Lepilogue(%rip),%r10
+	cmp	%r10,%rbx		# context->Rip>=.Lepilogue
+	jae	.Lin_prologue
+
+	lea	40(%rax),%rax
+
+	mov	-8(%rax),%rbp
+	mov	-16(%rax),%rbx
+	mov	-24(%rax),%r12
+	mov	-32(%rax),%r14
+	mov	-40(%rax),%r15
+	mov	%rbx,144($context)	# restore context->Rbx
+	mov	%rbp,160($context)	# restore context->Rbp
+	mov	%r12,216($context)	# restore context->R12
+	mov	%r14,232($context)	# restore context->R14
+	mov	%r15,240($context)	# restore context->R15
+
+.Lin_prologue:
+	mov	8(%rax),%rdi
+	mov	16(%rax),%rsi
+	mov	%rax,152($context)	# restore context->Rsp
+	mov	%rsi,168($context)	# restore context->Rsi
+	mov	%rdi,176($context)	# restore context->Rdi
+
+	mov	40($disp),%rdi		# disp->ContextRecord
+	mov	$context,%rsi		# context
+	mov	\$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	%rbx
+	pop	%r13
+	pop	%r12
 	pop	%rbp
+	pop	%rbx
+	pop	%rdi
+	pop	%rsi
 	ret
-.size md5_block_asm_data_order,.-md5_block_asm_data_order
-EOF
+.size	se_handler,.-se_handler
+
+.section	.pdata
+.align	4
+	.rva	.LSEH_begin_md5_block_asm_data_order
+	.rva	.LSEH_end_md5_block_asm_data_order
+	.rva	.LSEH_info_md5_block_asm_data_order
+
+.section	.xdata
+.align	8
+.LSEH_info_md5_block_asm_data_order:
+	.byte	9,0,0,0
+	.rva	se_handler
+___
+}
 
 print $code;