mirror of
https://github.com/guanzhi/GmSSL.git
synced 2026-08-11 16:33:40 +08:00
Merge remote-tracking branch 'origin/master'
# Conflicts: # README.md
This commit is contained in:
Zhi Guan
@@ -1,4 +1,11 @@
|
||||
#!/usr/bin/env perl
|
||||
#! /usr/bin/env perl
|
||||
# Copyright 2005-2016 The OpenSSL Project Authors. All Rights Reserved.
|
||||
#
|
||||
# Licensed under the OpenSSL license (the "License"). You may not use
|
||||
# this file except in compliance with the License. You can obtain a copy
|
||||
# in the file LICENSE in the source distribution or at
|
||||
# https://www.openssl.org/source/license.html
|
||||
|
||||
|
||||
# ====================================================================
|
||||
# Written by Andy Polyakov <appro@openssl.org> for the OpenSSL
|
||||
@@ -50,7 +57,7 @@ $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
|
||||
( $xlate="${dir}../../perlasm/x86_64-xlate.pl" and -f $xlate) or
|
||||
die "can't locate x86_64-xlate.pl";
|
||||
|
||||
open OUT,"| \"$^X\" $xlate $flavour $output";
|
||||
open OUT,"| \"$^X\" \"$xlate\" $flavour \"$output\"";
|
||||
*STDOUT=*OUT;
|
||||
|
||||
if (`$ENV{CC} -Wa,-v -c -o /dev/null -x assembler /dev/null 2>&1`
|
||||
@@ -68,6 +75,11 @@ if (!$addx && $win64 && ($flavour =~ /masm/ || $ENV{ASM} =~ /ml64/) &&
|
||||
$addx = ($1>=12);
|
||||
}
|
||||
|
||||
if (!$addx && `$ENV{CC} -v 2>&1` =~ /((?:^clang|LLVM) version|.*based on LLVM) ([3-9])\.([0-9]+)/) {
|
||||
my $ver = $2 + $3/100.0; # 3.1->3.01, 3.10->3.10
|
||||
$addx = ($ver>=3.03);
|
||||
}
|
||||
|
||||
# int bn_mul_mont(
|
||||
$rp="%rdi"; # BN_ULONG *rp,
|
||||
$ap="%rsi"; # const BN_ULONG *ap,
|
||||
@@ -92,6 +104,8 @@ $code=<<___;
|
||||
.type bn_mul_mont,\@function,6
|
||||
.align 16
|
||||
bn_mul_mont:
|
||||
mov ${num}d,${num}d
|
||||
mov %rsp,%rax
|
||||
test \$3,${num}d
|
||||
jnz .Lmul_enter
|
||||
cmp \$8,${num}d
|
||||
@@ -116,14 +130,37 @@ $code.=<<___;
|
||||
push %r14
|
||||
push %r15
|
||||
|
||||
mov ${num}d,${num}d
|
||||
lea 2($num),%r10
|
||||
neg $num
|
||||
mov %rsp,%r11
|
||||
neg %r10
|
||||
lea (%rsp,%r10,8),%rsp # tp=alloca(8*(num+2))
|
||||
and \$-1024,%rsp # minimize TLB usage
|
||||
lea -16(%rsp,$num,8),%r10 # future alloca(8*(num+2))
|
||||
neg $num # restore $num
|
||||
and \$-1024,%r10 # minimize TLB usage
|
||||
|
||||
mov %r11,8(%rsp,$num,8) # tp[num+1]=%rsp
|
||||
# An OS-agnostic version of __chkstk.
|
||||
#
|
||||
# Some OSes (Windows) insist on stack being "wired" to
|
||||
# physical memory in strictly sequential manner, i.e. if stack
|
||||
# allocation spans two pages, then reference to farmost one can
|
||||
# be punishable by SEGV. But page walking can do good even on
|
||||
# other OSes, because it guarantees that villain thread hits
|
||||
# the guard page before it can make damage to innocent one...
|
||||
sub %r10,%r11
|
||||
and \$-4096,%r11
|
||||
lea (%r10,%r11),%rsp
|
||||
mov (%rsp),%r11
|
||||
cmp %r10,%rsp
|
||||
ja .Lmul_page_walk
|
||||
jmp .Lmul_page_walk_done
|
||||
|
||||
.align 16
|
||||
.Lmul_page_walk:
|
||||
lea -4096(%rsp),%rsp
|
||||
mov (%rsp),%r11
|
||||
cmp %r10,%rsp
|
||||
ja .Lmul_page_walk
|
||||
.Lmul_page_walk_done:
|
||||
|
||||
mov %rax,8(%rsp,$num,8) # tp[num+1]=%rsp
|
||||
.Lmul_body:
|
||||
mov $bp,%r12 # reassign $bp
|
||||
___
|
||||
@@ -295,13 +332,13 @@ $code.=<<___;
|
||||
|
||||
mov 8(%rsp,$num,8),%rsi # restore %rsp
|
||||
mov \$1,%rax
|
||||
mov (%rsi),%r15
|
||||
mov 8(%rsi),%r14
|
||||
mov 16(%rsi),%r13
|
||||
mov 24(%rsi),%r12
|
||||
mov 32(%rsi),%rbp
|
||||
mov 40(%rsi),%rbx
|
||||
lea 48(%rsi),%rsp
|
||||
mov -48(%rsi),%r15
|
||||
mov -40(%rsi),%r14
|
||||
mov -32(%rsi),%r13
|
||||
mov -24(%rsi),%r12
|
||||
mov -16(%rsi),%rbp
|
||||
mov -8(%rsi),%rbx
|
||||
lea (%rsi),%rsp
|
||||
.Lmul_epilogue:
|
||||
ret
|
||||
.size bn_mul_mont,.-bn_mul_mont
|
||||
@@ -313,6 +350,8 @@ $code.=<<___;
|
||||
.type bn_mul4x_mont,\@function,6
|
||||
.align 16
|
||||
bn_mul4x_mont:
|
||||
mov ${num}d,${num}d
|
||||
mov %rsp,%rax
|
||||
.Lmul4x_enter:
|
||||
___
|
||||
$code.=<<___ if ($addx);
|
||||
@@ -328,14 +367,28 @@ $code.=<<___;
|
||||
push %r14
|
||||
push %r15
|
||||
|
||||
mov ${num}d,${num}d
|
||||
lea 4($num),%r10
|
||||
neg $num
|
||||
mov %rsp,%r11
|
||||
neg %r10
|
||||
lea (%rsp,%r10,8),%rsp # tp=alloca(8*(num+4))
|
||||
and \$-1024,%rsp # minimize TLB usage
|
||||
lea -32(%rsp,$num,8),%r10 # future alloca(8*(num+4))
|
||||
neg $num # restore
|
||||
and \$-1024,%r10 # minimize TLB usage
|
||||
|
||||
mov %r11,8(%rsp,$num,8) # tp[num+1]=%rsp
|
||||
sub %r10,%r11
|
||||
and \$-4096,%r11
|
||||
lea (%r10,%r11),%rsp
|
||||
mov (%rsp),%r11
|
||||
cmp %r10,%rsp
|
||||
ja .Lmul4x_page_walk
|
||||
jmp .Lmul4x_page_walk_done
|
||||
|
||||
.Lmul4x_page_walk:
|
||||
lea -4096(%rsp),%rsp
|
||||
mov (%rsp),%r11
|
||||
cmp %r10,%rsp
|
||||
ja .Lmul4x_page_walk
|
||||
.Lmul4x_page_walk_done:
|
||||
|
||||
mov %rax,8(%rsp,$num,8) # tp[num+1]=%rsp
|
||||
.Lmul4x_body:
|
||||
mov $rp,16(%rsp,$num,8) # tp[num+2]=$rp
|
||||
mov %rdx,%r12 # reassign $bp
|
||||
@@ -715,13 +768,13 @@ ___
|
||||
$code.=<<___;
|
||||
mov 8(%rsp,$num,8),%rsi # restore %rsp
|
||||
mov \$1,%rax
|
||||
mov (%rsi),%r15
|
||||
mov 8(%rsi),%r14
|
||||
mov 16(%rsi),%r13
|
||||
mov 24(%rsi),%r12
|
||||
mov 32(%rsi),%rbp
|
||||
mov 40(%rsi),%rbx
|
||||
lea 48(%rsi),%rsp
|
||||
mov -48(%rsi),%r15
|
||||
mov -40(%rsi),%r14
|
||||
mov -32(%rsi),%r13
|
||||
mov -24(%rsi),%r12
|
||||
mov -16(%rsi),%rbp
|
||||
mov -8(%rsi),%rbx
|
||||
lea (%rsi),%rsp
|
||||
.Lmul4x_epilogue:
|
||||
ret
|
||||
.size bn_mul4x_mont,.-bn_mul4x_mont
|
||||
@@ -751,14 +804,15 @@ $code.=<<___;
|
||||
.type bn_sqr8x_mont,\@function,6
|
||||
.align 32
|
||||
bn_sqr8x_mont:
|
||||
.Lsqr8x_enter:
|
||||
mov %rsp,%rax
|
||||
.Lsqr8x_enter:
|
||||
push %rbx
|
||||
push %rbp
|
||||
push %r12
|
||||
push %r13
|
||||
push %r14
|
||||
push %r15
|
||||
.Lsqr8x_prologue:
|
||||
|
||||
mov ${num}d,%r10d
|
||||
shl \$3,${num}d # convert $num to bytes
|
||||
@@ -770,100 +824,144 @@ bn_sqr8x_mont:
|
||||
# 4096. this is done to allow memory disambiguation logic
|
||||
# do its job.
|
||||
#
|
||||
lea -64(%rsp,$num,4),%r11
|
||||
lea -64(%rsp,$num,2),%r11
|
||||
mov %rsp,%rbp
|
||||
mov ($n0),$n0 # *n0
|
||||
sub $aptr,%r11
|
||||
and \$4095,%r11
|
||||
cmp %r11,%r10
|
||||
jb .Lsqr8x_sp_alt
|
||||
sub %r11,%rsp # align with $aptr
|
||||
lea -64(%rsp,$num,4),%rsp # alloca(frame+4*$num)
|
||||
sub %r11,%rbp # align with $aptr
|
||||
lea -64(%rbp,$num,2),%rbp # future alloca(frame+2*$num)
|
||||
jmp .Lsqr8x_sp_done
|
||||
|
||||
.align 32
|
||||
.Lsqr8x_sp_alt:
|
||||
lea 4096-64(,$num,4),%r10 # 4096-frame-4*$num
|
||||
lea -64(%rsp,$num,4),%rsp # alloca(frame+4*$num)
|
||||
lea 4096-64(,$num,2),%r10 # 4096-frame-2*$num
|
||||
lea -64(%rbp,$num,2),%rbp # future alloca(frame+2*$num)
|
||||
sub %r10,%r11
|
||||
mov \$0,%r10
|
||||
cmovc %r10,%r11
|
||||
sub %r11,%rsp
|
||||
sub %r11,%rbp
|
||||
.Lsqr8x_sp_done:
|
||||
and \$-64,%rsp
|
||||
mov $num,%r10
|
||||
and \$-64,%rbp
|
||||
mov %rsp,%r11
|
||||
sub %rbp,%r11
|
||||
and \$-4096,%r11
|
||||
lea (%rbp,%r11),%rsp
|
||||
mov (%rsp),%r10
|
||||
cmp %rbp,%rsp
|
||||
ja .Lsqr8x_page_walk
|
||||
jmp .Lsqr8x_page_walk_done
|
||||
|
||||
.align 16
|
||||
.Lsqr8x_page_walk:
|
||||
lea -4096(%rsp),%rsp
|
||||
mov (%rsp),%r10
|
||||
cmp %rbp,%rsp
|
||||
ja .Lsqr8x_page_walk
|
||||
.Lsqr8x_page_walk_done:
|
||||
|
||||
mov $num,%r10
|
||||
neg $num
|
||||
|
||||
lea 64(%rsp,$num,2),%r11 # copy of modulus
|
||||
mov $n0, 32(%rsp)
|
||||
mov %rax, 40(%rsp) # save original %rsp
|
||||
.Lsqr8x_body:
|
||||
|
||||
mov $num,$i
|
||||
movq %r11, %xmm2 # save pointer to modulus copy
|
||||
shr \$3+2,$i
|
||||
mov OPENSSL_ia32cap_P+8(%rip),%eax
|
||||
jmp .Lsqr8x_copy_n
|
||||
|
||||
.align 32
|
||||
.Lsqr8x_copy_n:
|
||||
movq 8*0($nptr),%xmm0
|
||||
movq 8*1($nptr),%xmm1
|
||||
movq 8*2($nptr),%xmm3
|
||||
movq 8*3($nptr),%xmm4
|
||||
lea 8*4($nptr),$nptr
|
||||
movdqa %xmm0,16*0(%r11)
|
||||
movdqa %xmm1,16*1(%r11)
|
||||
movdqa %xmm3,16*2(%r11)
|
||||
movdqa %xmm4,16*3(%r11)
|
||||
lea 16*4(%r11),%r11
|
||||
dec $i
|
||||
jnz .Lsqr8x_copy_n
|
||||
|
||||
movq $nptr, %xmm2 # save pointer to modulus
|
||||
pxor %xmm0,%xmm0
|
||||
movq $rptr,%xmm1 # save $rptr
|
||||
movq %r10, %xmm3 # -$num
|
||||
___
|
||||
$code.=<<___ if ($addx);
|
||||
mov OPENSSL_ia32cap_P+8(%rip),%eax
|
||||
and \$0x80100,%eax
|
||||
cmp \$0x80100,%eax
|
||||
jne .Lsqr8x_nox
|
||||
|
||||
call bn_sqrx8x_internal # see x86_64-mont5 module
|
||||
|
||||
pxor %xmm0,%xmm0
|
||||
lea 48(%rsp),%rax
|
||||
lea 64(%rsp,$num,2),%rdx
|
||||
shr \$3+2,$num
|
||||
mov 40(%rsp),%rsi # restore %rsp
|
||||
jmp .Lsqr8x_zero
|
||||
# %rax top-most carry
|
||||
# %rbp nptr
|
||||
# %rcx -8*num
|
||||
# %r8 end of tp[2*num]
|
||||
lea (%r8,%rcx),%rbx
|
||||
mov %rcx,$num
|
||||
mov %rcx,%rdx
|
||||
movq %xmm1,$rptr
|
||||
sar \$3+2,%rcx # %cf=0
|
||||
jmp .Lsqr8x_sub
|
||||
|
||||
.align 32
|
||||
.Lsqr8x_nox:
|
||||
___
|
||||
$code.=<<___;
|
||||
call bn_sqr8x_internal # see x86_64-mont5 module
|
||||
|
||||
pxor %xmm0,%xmm0
|
||||
lea 48(%rsp),%rax
|
||||
lea 64(%rsp,$num,2),%rdx
|
||||
shr \$3+2,$num
|
||||
mov 40(%rsp),%rsi # restore %rsp
|
||||
jmp .Lsqr8x_zero
|
||||
# %rax top-most carry
|
||||
# %rbp nptr
|
||||
# %r8 -8*num
|
||||
# %rdi end of tp[2*num]
|
||||
lea (%rdi,$num),%rbx
|
||||
mov $num,%rcx
|
||||
mov $num,%rdx
|
||||
movq %xmm1,$rptr
|
||||
sar \$3+2,%rcx # %cf=0
|
||||
jmp .Lsqr8x_sub
|
||||
|
||||
.align 32
|
||||
.Lsqr8x_zero:
|
||||
movdqa %xmm0,16*0(%rax) # wipe t
|
||||
movdqa %xmm0,16*1(%rax)
|
||||
movdqa %xmm0,16*2(%rax)
|
||||
movdqa %xmm0,16*3(%rax)
|
||||
lea 16*4(%rax),%rax
|
||||
movdqa %xmm0,16*0(%rdx) # wipe n
|
||||
movdqa %xmm0,16*1(%rdx)
|
||||
movdqa %xmm0,16*2(%rdx)
|
||||
movdqa %xmm0,16*3(%rdx)
|
||||
lea 16*4(%rdx),%rdx
|
||||
dec $num
|
||||
jnz .Lsqr8x_zero
|
||||
.Lsqr8x_sub:
|
||||
mov 8*0(%rbx),%r12
|
||||
mov 8*1(%rbx),%r13
|
||||
mov 8*2(%rbx),%r14
|
||||
mov 8*3(%rbx),%r15
|
||||
lea 8*4(%rbx),%rbx
|
||||
sbb 8*0(%rbp),%r12
|
||||
sbb 8*1(%rbp),%r13
|
||||
sbb 8*2(%rbp),%r14
|
||||
sbb 8*3(%rbp),%r15
|
||||
lea 8*4(%rbp),%rbp
|
||||
mov %r12,8*0($rptr)
|
||||
mov %r13,8*1($rptr)
|
||||
mov %r14,8*2($rptr)
|
||||
mov %r15,8*3($rptr)
|
||||
lea 8*4($rptr),$rptr
|
||||
inc %rcx # preserves %cf
|
||||
jnz .Lsqr8x_sub
|
||||
|
||||
sbb \$0,%rax # top-most carry
|
||||
lea (%rbx,$num),%rbx # rewind
|
||||
lea ($rptr,$num),$rptr # rewind
|
||||
|
||||
movq %rax,%xmm1
|
||||
pxor %xmm0,%xmm0
|
||||
pshufd \$0,%xmm1,%xmm1
|
||||
mov 40(%rsp),%rsi # restore %rsp
|
||||
jmp .Lsqr8x_cond_copy
|
||||
|
||||
.align 32
|
||||
.Lsqr8x_cond_copy:
|
||||
movdqa 16*0(%rbx),%xmm2
|
||||
movdqa 16*1(%rbx),%xmm3
|
||||
lea 16*2(%rbx),%rbx
|
||||
movdqu 16*0($rptr),%xmm4
|
||||
movdqu 16*1($rptr),%xmm5
|
||||
lea 16*2($rptr),$rptr
|
||||
movdqa %xmm0,-16*2(%rbx) # zero tp
|
||||
movdqa %xmm0,-16*1(%rbx)
|
||||
movdqa %xmm0,-16*2(%rbx,%rdx)
|
||||
movdqa %xmm0,-16*1(%rbx,%rdx)
|
||||
pcmpeqd %xmm1,%xmm0
|
||||
pand %xmm1,%xmm2
|
||||
pand %xmm1,%xmm3
|
||||
pand %xmm0,%xmm4
|
||||
pand %xmm0,%xmm5
|
||||
pxor %xmm0,%xmm0
|
||||
por %xmm2,%xmm4
|
||||
por %xmm3,%xmm5
|
||||
movdqu %xmm4,-16*2($rptr)
|
||||
movdqu %xmm5,-16*1($rptr)
|
||||
add \$32,$num
|
||||
jnz .Lsqr8x_cond_copy
|
||||
|
||||
mov \$1,%rax
|
||||
mov -48(%rsi),%r15
|
||||
@@ -886,23 +984,40 @@ $code.=<<___;
|
||||
.type bn_mulx4x_mont,\@function,6
|
||||
.align 32
|
||||
bn_mulx4x_mont:
|
||||
.Lmulx4x_enter:
|
||||
mov %rsp,%rax
|
||||
.Lmulx4x_enter:
|
||||
push %rbx
|
||||
push %rbp
|
||||
push %r12
|
||||
push %r13
|
||||
push %r14
|
||||
push %r15
|
||||
.Lmulx4x_prologue:
|
||||
|
||||
shl \$3,${num}d # convert $num to bytes
|
||||
.byte 0x67
|
||||
xor %r10,%r10
|
||||
sub $num,%r10 # -$num
|
||||
mov ($n0),$n0 # *n0
|
||||
lea -72(%rsp,%r10),%rsp # alloca(frame+$num+8)
|
||||
lea -72(%rsp,%r10),%rbp # future alloca(frame+$num+8)
|
||||
and \$-128,%rbp
|
||||
mov %rsp,%r11
|
||||
sub %rbp,%r11
|
||||
and \$-4096,%r11
|
||||
lea (%rbp,%r11),%rsp
|
||||
mov (%rsp),%r10
|
||||
cmp %rbp,%rsp
|
||||
ja .Lmulx4x_page_walk
|
||||
jmp .Lmulx4x_page_walk_done
|
||||
|
||||
.align 16
|
||||
.Lmulx4x_page_walk:
|
||||
lea -4096(%rsp),%rsp
|
||||
mov (%rsp),%r10
|
||||
cmp %rbp,%rsp
|
||||
ja .Lmulx4x_page_walk
|
||||
.Lmulx4x_page_walk_done:
|
||||
|
||||
lea ($bp,$num),%r10
|
||||
and \$-128,%rsp
|
||||
##############################################################
|
||||
# Stack layout
|
||||
# +0 num
|
||||
@@ -1042,18 +1157,17 @@ $code.=<<___;
|
||||
mulx 2*8($aptr),%r15,%r13 # ...
|
||||
adox -3*8($tptr),%r11
|
||||
adcx %r15,%r12
|
||||
adox $zero,%r12
|
||||
adox -2*8($tptr),%r12
|
||||
adcx $zero,%r13
|
||||
adox $zero,%r13
|
||||
|
||||
mov $bptr,8(%rsp) # off-load &b[i]
|
||||
.byte 0x67
|
||||
mov $mi,%r15
|
||||
imulq 24(%rsp),$mi # "t[0]"*n0
|
||||
xor %ebp,%ebp # xor $zero,$zero # cf=0, of=0
|
||||
|
||||
mulx 3*8($aptr),%rax,%r14
|
||||
mov $mi,%rdx
|
||||
adox -2*8($tptr),%r12
|
||||
adcx %rax,%r13
|
||||
adox -1*8($tptr),%r13
|
||||
adcx $zero,%r14
|
||||
@@ -1130,64 +1244,75 @@ $code.=<<___;
|
||||
adc $zero,%r15 # modulo-scheduled
|
||||
sub 0*8($tptr),$zero # pull top-most carry
|
||||
adc %r15,%r14
|
||||
mov -8($nptr),$mi
|
||||
sbb %r15,%r15 # top-most carry
|
||||
mov %r14,-1*8($tptr)
|
||||
|
||||
cmp 16(%rsp),$bptr
|
||||
jne .Lmulx4x_outer
|
||||
|
||||
sub %r14,$mi # compare top-most words
|
||||
sbb $mi,$mi
|
||||
or $mi,%r15
|
||||
|
||||
neg $num
|
||||
xor %rdx,%rdx
|
||||
mov 32(%rsp),$rptr # restore rp
|
||||
lea 64(%rsp),$tptr
|
||||
|
||||
pxor %xmm0,%xmm0
|
||||
mov 0*8($nptr,$num),%r8
|
||||
mov 1*8($nptr,$num),%r9
|
||||
neg %r8
|
||||
jmp .Lmulx4x_sub_entry
|
||||
sub $num,$nptr # rewind $nptr
|
||||
neg %r15
|
||||
mov $num,%rdx
|
||||
shr \$3+2,$num # %cf=0
|
||||
mov 32(%rsp),$rptr # restore rp
|
||||
jmp .Lmulx4x_sub
|
||||
|
||||
.align 32
|
||||
.Lmulx4x_sub:
|
||||
mov 0*8($nptr,$num),%r8
|
||||
mov 1*8($nptr,$num),%r9
|
||||
not %r8
|
||||
.Lmulx4x_sub_entry:
|
||||
mov 2*8($nptr,$num),%r10
|
||||
not %r9
|
||||
and %r15,%r8
|
||||
mov 3*8($nptr,$num),%r11
|
||||
not %r10
|
||||
and %r15,%r9
|
||||
not %r11
|
||||
and %r15,%r10
|
||||
and %r15,%r11
|
||||
|
||||
neg %rdx # mov %rdx,%cf
|
||||
adc 0*8($tptr),%r8
|
||||
adc 1*8($tptr),%r9
|
||||
movdqa %xmm0,($tptr)
|
||||
adc 2*8($tptr),%r10
|
||||
adc 3*8($tptr),%r11
|
||||
movdqa %xmm0,16($tptr)
|
||||
lea 4*8($tptr),$tptr
|
||||
sbb %rdx,%rdx # mov %cf,%rdx
|
||||
|
||||
mov %r8,0*8($rptr)
|
||||
mov %r9,1*8($rptr)
|
||||
mov %r10,2*8($rptr)
|
||||
mov %r11,3*8($rptr)
|
||||
lea 4*8($rptr),$rptr
|
||||
|
||||
add \$32,$num
|
||||
mov 8*0($tptr),%r11
|
||||
mov 8*1($tptr),%r12
|
||||
mov 8*2($tptr),%r13
|
||||
mov 8*3($tptr),%r14
|
||||
lea 8*4($tptr),$tptr
|
||||
sbb 8*0($nptr),%r11
|
||||
sbb 8*1($nptr),%r12
|
||||
sbb 8*2($nptr),%r13
|
||||
sbb 8*3($nptr),%r14
|
||||
lea 8*4($nptr),$nptr
|
||||
mov %r11,8*0($rptr)
|
||||
mov %r12,8*1($rptr)
|
||||
mov %r13,8*2($rptr)
|
||||
mov %r14,8*3($rptr)
|
||||
lea 8*4($rptr),$rptr
|
||||
dec $num # preserves %cf
|
||||
jnz .Lmulx4x_sub
|
||||
|
||||
sbb \$0,%r15 # top-most carry
|
||||
lea 64(%rsp),$tptr
|
||||
sub %rdx,$rptr # rewind
|
||||
|
||||
movq %r15,%xmm1
|
||||
pxor %xmm0,%xmm0
|
||||
pshufd \$0,%xmm1,%xmm1
|
||||
mov 40(%rsp),%rsi # restore %rsp
|
||||
jmp .Lmulx4x_cond_copy
|
||||
|
||||
.align 32
|
||||
.Lmulx4x_cond_copy:
|
||||
movdqa 16*0($tptr),%xmm2
|
||||
movdqa 16*1($tptr),%xmm3
|
||||
lea 16*2($tptr),$tptr
|
||||
movdqu 16*0($rptr),%xmm4
|
||||
movdqu 16*1($rptr),%xmm5
|
||||
lea 16*2($rptr),$rptr
|
||||
movdqa %xmm0,-16*2($tptr) # zero tp
|
||||
movdqa %xmm0,-16*1($tptr)
|
||||
pcmpeqd %xmm1,%xmm0
|
||||
pand %xmm1,%xmm2
|
||||
pand %xmm1,%xmm3
|
||||
pand %xmm0,%xmm4
|
||||
pand %xmm0,%xmm5
|
||||
pxor %xmm0,%xmm0
|
||||
por %xmm2,%xmm4
|
||||
por %xmm3,%xmm5
|
||||
movdqu %xmm4,-16*2($rptr)
|
||||
movdqu %xmm5,-16*1($rptr)
|
||||
sub \$32,%rdx
|
||||
jnz .Lmulx4x_cond_copy
|
||||
|
||||
mov %rdx,($tptr)
|
||||
|
||||
mov \$1,%rax
|
||||
mov -48(%rsi),%r15
|
||||
mov -40(%rsi),%r14
|
||||
@@ -1250,22 +1375,8 @@ mul_handler:
|
||||
|
||||
mov 192($context),%r10 # pull $num
|
||||
mov 8(%rax,%r10,8),%rax # pull saved stack pointer
|
||||
lea 48(%rax),%rax
|
||||
|
||||
mov -8(%rax),%rbx
|
||||
mov -16(%rax),%rbp
|
||||
mov -24(%rax),%r12
|
||||
mov -32(%rax),%r13
|
||||
mov -40(%rax),%r14
|
||||
mov -48(%rax),%r15
|
||||
mov %rbx,144($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($context) # restore context->R15
|
||||
|
||||
jmp .Lcommon_seh_tail
|
||||
jmp .Lcommon_pop_regs
|
||||
.size mul_handler,.-mul_handler
|
||||
|
||||
.type sqr_handler,\@abi-omnipotent
|
||||
@@ -1293,15 +1404,21 @@ sqr_handler:
|
||||
cmp %r10,%rbx # context->Rip<.Lsqr_body
|
||||
jb .Lcommon_seh_tail
|
||||
|
||||
mov 4(%r11),%r10d # HandlerData[1]
|
||||
lea (%rsi,%r10),%r10 # body label
|
||||
cmp %r10,%rbx # context->Rip>=.Lsqr_epilogue
|
||||
jb .Lcommon_pop_regs
|
||||
|
||||
mov 152($context),%rax # pull context->Rsp
|
||||
|
||||
mov 4(%r11),%r10d # HandlerData[1]
|
||||
mov 8(%r11),%r10d # HandlerData[2]
|
||||
lea (%rsi,%r10),%r10 # epilogue label
|
||||
cmp %r10,%rbx # context->Rip>=.Lsqr_epilogue
|
||||
jae .Lcommon_seh_tail
|
||||
|
||||
mov 40(%rax),%rax # pull saved stack pointer
|
||||
|
||||
.Lcommon_pop_regs:
|
||||
mov -8(%rax),%rbx
|
||||
mov -16(%rax),%rbp
|
||||
mov -24(%rax),%r12
|
||||
@@ -1388,13 +1505,15 @@ $code.=<<___;
|
||||
.LSEH_info_bn_sqr8x_mont:
|
||||
.byte 9,0,0,0
|
||||
.rva sqr_handler
|
||||
.rva .Lsqr8x_body,.Lsqr8x_epilogue # HandlerData[]
|
||||
.rva .Lsqr8x_prologue,.Lsqr8x_body,.Lsqr8x_epilogue # HandlerData[]
|
||||
.align 8
|
||||
___
|
||||
$code.=<<___ if ($addx);
|
||||
.LSEH_info_bn_mulx4x_mont:
|
||||
.byte 9,0,0,0
|
||||
.rva sqr_handler
|
||||
.rva .Lmulx4x_body,.Lmulx4x_epilogue # HandlerData[]
|
||||
.rva .Lmulx4x_prologue,.Lmulx4x_body,.Lmulx4x_epilogue # HandlerData[]
|
||||
.align 8
|
||||
___
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user