Commit 53b33100 authored by Andy Polyakov's avatar Andy Polyakov
Browse files

bn/asm/rsaz-avx2.pl: refine Win64 SE handler. 



Reviewed-by: default avatarRich Salz <rsalz@openssl.org>
parent fbc9eeaa

crypto/bn/asm/rsaz-avx2.pl

+12 −5
Original line number Diff line number Diff line
@@ -827,6 +827,7 @@ $code.=<<___; 
	mov	%rbp, %rax

___

$code.=<<___ if ($win64);

.Lsqr_1024_in_tail:

	movaps	-0xd8(%rax),%xmm6

	movaps	-0xc8(%rax),%xmm7

	movaps	-0xb8(%rax),%xmm8
@@ -1460,6 +1461,7 @@ $code.=<<___; 
	mov	%rbp, %rax

___

$code.=<<___ if ($win64);

.Lmul_1024_in_tail:

	movaps	-0xd8(%rax),%xmm6

	movaps	-0xc8(%rax),%xmm7

	movaps	-0xb8(%rax),%xmm8
@@ -1815,14 +1817,17 @@ rsaz_se_handler: 
	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	160($context),%rbp	# pull context->Rbp



	mov	8(%r11),%r10d		# HandlerData[2]

	lea	(%rsi,%r10),%r10	# "in tail" label

	cmp	%r10,%rbx		# context->Rip>="in tail" label

	cmovc	%rbp,%rax



	mov	-48(%rax),%r15

	mov	-40(%rax),%r14
@@ -1900,11 +1905,13 @@ rsaz_se_handler: 
.LSEH_info_rsaz_1024_sqr_avx2:

	.byte	9,0,0,0

	.rva	rsaz_se_handler

	.rva	.Lsqr_1024_body,.Lsqr_1024_epilogue

	.rva	.Lsqr_1024_body,.Lsqr_1024_epilogue,.Lsqr_1024_in_tail

	.long	0

.LSEH_info_rsaz_1024_mul_avx2:

	.byte	9,0,0,0

	.rva	rsaz_se_handler

	.rva	.Lmul_1024_body,.Lmul_1024_epilogue

	.rva	.Lmul_1024_body,.Lmul_1024_epilogue,.Lmul_1024_in_tail

	.long	0

.LSEH_info_rsaz_1024_gather5:

	.byte	0x01,0x36,0x17,0x0b

	.byte	0x36,0xf8,0x09,0x00	# vmovaps 0x90(rsp),xmm15