-#!/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
( $xlate="${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`
$addx = ($1>=12);
}
-if (!$addx && `$ENV{CC} -v 2>&1` =~ /((?:^clang|LLVM) version|based on LLVM) ([3-9])\.([0-9]+)/) {
+if (!$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);
}
.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
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
___
xor $i,$i # i=0 and clear CF!
mov (%rsp),%rax # tp[0]
- lea (%rsp),$ap # borrow ap for tp
mov $num,$j # j=num
- jmp .Lsub
+
.align 16
.Lsub: sbb ($np,$i,8),%rax
mov %rax,($rp,$i,8) # rp[i]=tp[i]-np[i]
- mov 8($ap,$i,8),%rax # tp[i+1]
+ mov 8(%rsp,$i,8),%rax # tp[i+1]
lea 1($i),$i # i++
dec $j # doesnn't affect CF!
jnz .Lsub
sbb \$0,%rax # handle upmost overflow bit
+ mov \$-1,%rbx
+ xor %rax,%rbx # not %rax
xor $i,$i
- and %rax,$ap
- not %rax
- mov $rp,$np
- and %rax,$np
mov $num,$j # j=num
- or $np,$ap # ap=borrow?tp:rp
-.align 16
-.Lcopy: # copy or in-place refresh
- mov ($ap,$i,8),%rax
- mov $i,(%rsp,$i,8) # zap temporary vector
- mov %rax,($rp,$i,8) # rp[i]=tp[i]
+
+.Lcopy: # conditional copy
+ mov ($rp,$i,8),%rcx
+ mov (%rsp,$i,8),%rdx
+ and %rbx,%rcx
+ and %rax,%rdx
+ mov $num,(%rsp,$i,8) # zap temporary vector
+ or %rcx,%rdx
+ mov %rdx,($rp,$i,8) # rp[i]=tp[i]
lea 1($i),$i
sub \$1,$j
jnz .Lcopy
mov 8(%rsp,$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
.type bn_mul4x_mont,\@function,6
.align 16
bn_mul4x_mont:
+ mov ${num}d,${num}d
+ mov %rsp,%rax
.Lmul4x_enter:
___
$code.=<<___ if ($addx);
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 $bp
my @ri=("%rax","%rdx",$m0,$m1);
$code.=<<___;
mov 16(%rsp,$num,8),$rp # restore $rp
+ lea -4($num),$j
mov 0(%rsp),@ri[0] # tp[0]
- pxor %xmm0,%xmm0
mov 8(%rsp),@ri[1] # tp[1]
- shr \$2,$num # num/=4
+ shr \$2,$j # j=num/4-1
lea (%rsp),$ap # borrow ap for tp
xor $i,$i # i=0 and clear CF!
mov 16($ap),@ri[2] # tp[2]
mov 24($ap),@ri[3] # tp[3]
sbb 8($np),@ri[1]
- lea -1($num),$j # j=num/4-1
- jmp .Lsub4x
-.align 16
+
.Lsub4x:
mov @ri[0],0($rp,$i,8) # rp[i]=tp[i]-np[i]
mov @ri[1],8($rp,$i,8) # rp[i]=tp[i]-np[i]
sbb \$0,@ri[0] # handle upmost overflow bit
mov @ri[3],24($rp,$i,8) # rp[i]=tp[i]-np[i]
- xor $i,$i # i=0
- and @ri[0],$ap
- not @ri[0]
- mov $rp,$np
- and @ri[0],$np
- lea -1($num),$j
- or $np,$ap # ap=borrow?tp:rp
-
- movdqu ($ap),%xmm1
- movdqa %xmm0,(%rsp)
- movdqu %xmm1,($rp)
+ pxor %xmm0,%xmm0
+ movq @ri[0],%xmm4
+ pcmpeqd %xmm5,%xmm5
+ pshufd \$0,%xmm4,%xmm4
+ mov $num,$j
+ pxor %xmm4,%xmm5
+ shr \$2,$j # j=num/4
+ xor %eax,%eax # i=0
+
jmp .Lcopy4x
.align 16
-.Lcopy4x: # copy or in-place refresh
- movdqu 16($ap,$i),%xmm2
- movdqu 32($ap,$i),%xmm1
- movdqa %xmm0,16(%rsp,$i)
- movdqu %xmm2,16($rp,$i)
- movdqa %xmm0,32(%rsp,$i)
- movdqu %xmm1,32($rp,$i)
- lea 32($i),$i
+.Lcopy4x: # conditional copy
+ movdqa (%rsp,%rax),%xmm1
+ movdqu ($rp,%rax),%xmm2
+ pand %xmm4,%xmm1
+ pand %xmm5,%xmm2
+ movdqa 16(%rsp,%rax),%xmm3
+ movdqa %xmm0,(%rsp,%rax)
+ por %xmm2,%xmm1
+ movdqu 16($rp,%rax),%xmm2
+ movdqu %xmm1,($rp,%rax)
+ pand %xmm4,%xmm3
+ pand %xmm5,%xmm2
+ movdqa %xmm0,16(%rsp,%rax)
+ por %xmm2,%xmm3
+ movdqu %xmm3,16($rp,%rax)
+ lea 32(%rax),%rax
dec $j
jnz .Lcopy4x
-
- shl \$2,$num
- movdqu 16($ap,$i),%xmm2
- movdqa %xmm0,16(%rsp,$i)
- movdqu %xmm2,16($rp,$i)
___
}
$code.=<<___;
mov 8(%rsp,$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
.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 $num to bytes
# 4096. this is done to allow memory disambiguation logic
# do its job.
#
- lea -64(%rsp,$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:
___
$code.=<<___;
call bn_sqr8x_internal # see x86_64-mont5 module
+ # %rax top-most carry
+ # %rbp nptr
+ # %r8 -8*num
+ # %rdi end of tp[2*num]
+ lea (%rdi,$num),%rbx
+ mov $num,%rcx
+ mov $num,%rdx
+ movq %xmm1,$rptr
+ sar \$3+2,%rcx # %cf=0
+ jmp .Lsqr8x_sub
+.align 32
+.Lsqr8x_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
- lea 48(%rsp),%rax
- lea 64(%rsp,$num,2),%rdx
- shr \$3+2,$num
+ pshufd \$0,%xmm1,%xmm1
mov 40(%rsp),%rsi # restore %rsp
- jmp .Lsqr8x_zero
+ jmp .Lsqr8x_cond_copy
.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 $num
- jnz .Lsqr8x_zero
+.Lsqr8x_cond_copy:
+ movdqa 16*0(%rbx),%xmm2
+ movdqa 16*1(%rbx),%xmm3
+ lea 16*2(%rbx),%rbx
+ movdqu 16*0($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
.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
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
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 $num
- xor %rdx,%rdx
+ lea 64(%rsp),$tptr
+ sub $num,$nptr # rewind $nptr
+ neg %r15
+ mov $num,%rdx
+ shr \$3+2,$num # %cf=0
mov 32(%rsp),$rptr # restore rp
+ jmp .Lmulx4x_sub
+
+.align 32
+.Lmulx4x_sub:
+ mov 8*0($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,$rptr # rewind
+ movq %r15,%xmm1
pxor %xmm0,%xmm0
- mov 0*8($nptr,$num),%r8
- mov 1*8($nptr,$num),%r9
- neg %r8
- jmp .Lmulx4x_sub_entry
+ pshufd \$0,%xmm1,%xmm1
+ mov 40(%rsp),%rsi # restore %rsp
+ jmp .Lmulx4x_cond_copy
.align 32
-.Lmulx4x_sub:
- mov 0*8($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),$tptr
- sbb %rdx,%rdx # mov %cf,%rdx
+.Lmulx4x_cond_copy:
+ movdqa 16*0($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($rptr)
+ sub \$32,%rdx
+ jnz .Lmulx4x_cond_copy
- mov %r8,0*8($rptr)
- mov %r9,1*8($rptr)
- mov %r10,2*8($rptr)
- mov %r11,3*8($rptr)
- lea 4*8($rptr),$rptr
+ mov %rdx,($tptr)
- add \$32,$num
- jnz .Lmulx4x_sub
-
- mov 40(%rsp),%rsi # restore %rsp
mov \$1,%rax
mov -48(%rsi),%r15
mov -40(%rsi),%r14
mov 192($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($context) # restore context->R15
-
- jmp .Lcommon_seh_tail
+ jmp .Lcommon_pop_regs
.size mul_handler,.-mul_handler
.type sqr_handler,\@abi-omnipotent
cmp %r10,%rbx # context->Rip<.Lsqr_body
jb .Lcommon_seh_tail
+ mov 4(%r11),%r10d # HandlerData[1]
+ lea (%rsi,%r10),%r10 # body label
+ cmp %r10,%rbx # context->Rip>=.Lsqr_epilogue
+ jb .Lcommon_pop_regs
+
mov 152($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
.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
___
}
projects / openssl.git / blobdiff