#
# this +aesni(i) sha1 aesni-sha1 gain(iv)
# -------------------------------------------------------------------
-# Westmere(ii) 10.4/n +1.28=3.88(n=4) 5.44 6.58 +70%
-# Atom(ii) 18.9/n +3.93=8.66(n=4) 10.0 14.0 +62%
+# Westmere(ii) 10.7/n +1.28=3.96(n=4) 5.30 6.66 +68%
+# Atom(ii) 18.1/n +3.93=8.46(n=4) 9.37 12.8 +51%
# Sandy Bridge (8.16 +5.15=13.3)/n 4.99 5.98 +80%
-# Ivy Bridge (8.03 +5.14=13.2)/n 4.60 5.54 +68%
+# Ivy Bridge (8.08 +5.14=13.2)/n 4.60 5.54 +68%
# Haswell(iii) (8.96 +5.00=14.0)/n 3.57 4.55 +160%
-# Bulldozer (9.75 +5.76=15.5)/n 5.95 6.37 +64%
+# Bulldozer (9.76 +5.76=15.5)/n 5.95 6.37 +64%
#
# (i) multi-block CBC encrypt with 128-bit key;
# (ii) (HASH+AES)/n does not apply to Westmere for n>3 and Atom,
# because of lower AES-NI instruction throughput;
# (iii) "this" is for n=8, when we gather twice as much data, result
-# for n=4 is 7.98+4.44=12.4;
-# (iv) improvement coefficients in real-life application are somewhat
-# lower and range from 30% to 100% (on Haswell);
+# for n=4 is 8.00+4.44=12.4;
+# (iv) presented improvement coefficients are asymptotic limits and
+# in real-life application are somewhat lower, e.g. for 2KB
+# fragments they range from 30% to 100% (on Haswell);
$flavour = shift;
$output = shift;
@Xi=map("%xmm$_",(10..14));
$K="%xmm15";
+if (1) {
+ # Atom-specific optimization aiming to eliminate pshufb with high
+ # registers [and thus get rid of 48 cycles accumulated penalty]
+ @Xi=map("%xmm$_",(0..4));
+ ($tx,$t0,$t1,$t2,$t3)=map("%xmm$_",(5..9));
+ @V=($A,$B,$C,$D,$E)=map("%xmm$_",(10..14));
+}
+
$REG_SZ=16;
sub Xi_off {
psrld \$2,$b
paddd $t2,$e # e+=rol(a,5)
- movd `4*$j-16*4`(@ptr[2]),$t2
pshufb $tx,@Xi[1]
+ movd `4*$j-16*4`(@ptr[2]),$t2
por $t1,$b # b=rol(b,30)
___
$code.=<<___ if ($i==14); # just load input
movdqa $b,$t1
movdqa $b,$t0
pslld \$5,$t2
+ prefetcht0 63(@ptr[0])
pandn $d,$t1
pand $c,$t0
punpckldq $t3,@Xi[1]
psrld \$27,$t3
pxor $t1,$t0 # Ch(b,c,d)
movdqa $b,$t1
+ prefetcht0 63(@ptr[1])
por $t3,$t2 # rol(a,5)
pslld \$30,$t1
paddd $t0,$e # e+=Ch(b,c,d)
+ prefetcht0 63(@ptr[2])
psrld \$2,$b
paddd $t2,$e # e+=rol(a,5)
pshufb $tx,@Xi[1]
+ prefetcht0 63(@ptr[3])
por $t1,$b # b=rol(b,30)
___
$code.=<<___ if ($i>=13 && $i<15);
.type sha1_multi_block,\@function,3
.align 32
sha1_multi_block:
+ mov OPENSSL_ia32cap_P+4(%rip),%rcx
+ bt \$61,%rcx # check SHA bit
+ jc _shaext_shortcut
___
$code.=<<___ if ($avx);
- mov OPENSSL_ia32cap_P+4(%rip),%rcx
test \$`1<<28`,%ecx
jnz _avx_shortcut
___
sub \$`$REG_SZ*18`,%rsp
and \$-256,%rsp
mov %rax,`$REG_SZ*17`(%rsp) # original %rsp
+.Lbody:
lea K_XX_XX(%rip),$Tbl
lea `$REG_SZ*16`(%rsp),%rbx
movdqu 0x60($ctx),$D
movdqu 0x80($ctx),$E
movdqa 0x60($Tbl),$tx # pbswap_mask
+ movdqa -0x20($Tbl),$K # K_00_19
jmp .Loop
.align 32
.Loop:
___
-$code.=" movdqa -0x20($Tbl),$K\n"; # K_00_19
for($i=0;$i<20;$i++) { &BODY_00_19($i,@V); unshift(@V,pop(@V)); }
$code.=" movdqa 0x00($Tbl),$K\n"; # K_20_39
for(;$i<40;$i++) { &BODY_20_39($i,@V); unshift(@V,pop(@V)); }
movdqa @Xi[0],(%rbx) # save counters
movdqa 0x60($Tbl),$tx # pbswap_mask
+ movdqa -0x20($Tbl),$K # K_00_19
dec $num
jnz .Loop
mov -16(%rax),%rbp
mov -8(%rax),%rbx
lea (%rax),%rsp
+.Lepilogue:
ret
.size sha1_multi_block,.-sha1_multi_block
___
+ {{{
+my ($ABCD0,$E0,$E0_,$BSWAP,$ABCD1,$E1,$E1_)=map("%xmm$_",(0..3,8..10));
+my @MSG0=map("%xmm$_",(4..7));
+my @MSG1=map("%xmm$_",(11..14));
+
+$code.=<<___;
+.type sha1_multi_block_shaext,\@function,3
+.align 32
+sha1_multi_block_shaext:
+_shaext_shortcut:
+ mov %rsp,%rax
+ push %rbx
+ push %rbp
+___
+$code.=<<___ if ($win64);
+ lea -0xa8(%rsp),%rsp
+ movaps %xmm6,(%rsp)
+ movaps %xmm7,0x10(%rsp)
+ movaps %xmm8,0x20(%rsp)
+ movaps %xmm9,0x30(%rsp)
+ movaps %xmm10,-0x78(%rax)
+ movaps %xmm11,-0x68(%rax)
+ movaps %xmm12,-0x58(%rax)
+ movaps %xmm13,-0x48(%rax)
+ movaps %xmm14,-0x38(%rax)
+ movaps %xmm15,-0x28(%rax)
+___
+$code.=<<___;
+ sub \$`$REG_SZ*18`,%rsp
+ shl \$1,$num # we process pair at a time
+ and \$-256,%rsp
+ lea 0x40($ctx),$ctx # size optimization
+ mov %rax,`$REG_SZ*17`(%rsp) # original %rsp
+.Lbody_shaext:
+ lea `$REG_SZ*16`(%rsp),%rbx
+ movdqa K_XX_XX+0x80(%rip),$BSWAP # byte-n-word swap
+
+.Loop_grande_shaext:
+ mov $num,`$REG_SZ*17+8`(%rsp) # orignal $num
+ xor $num,$num
+___
+for($i=0;$i<2;$i++) {
+ $code.=<<___;
+ mov `16*$i+0`($inp),@ptr[$i] # input pointer
+ mov `16*$i+8`($inp),%ecx # number of blocks
+ cmp $num,%ecx
+ cmovg %ecx,$num # find maximum
+ test %ecx,%ecx
+ mov %ecx,`4*$i`(%rbx) # initialize counters
+ cmovle %rsp,@ptr[$i] # cancel input
+___
+}
+$code.=<<___;
+ test $num,$num
+ jz .Ldone_shaext
+
+ movq 0x00-0x40($ctx),$ABCD0 # a1.a0
+ movq 0x20-0x40($ctx),@MSG0[0]# b1.b0
+ movq 0x40-0x40($ctx),@MSG0[1]# c1.c0
+ movq 0x60-0x40($ctx),@MSG0[2]# d1.d0
+ movq 0x80-0x40($ctx),@MSG0[3]# e1.e0
+
+ punpckldq @MSG0[0],$ABCD0 # b1.a1.b0.a0
+ punpckldq @MSG0[2],@MSG0[1] # d1.c1.d0.c0
+
+ movdqa $ABCD0,$ABCD1
+ punpcklqdq @MSG0[1],$ABCD0 # d0.c0.b0.a0
+ punpckhqdq @MSG0[1],$ABCD1 # d1.c1.b1.a1
+
+ pshufd \$0b00111111,@MSG0[3],$E0
+ pshufd \$0b01111111,@MSG0[3],$E1
+ pshufd \$0b00011011,$ABCD0,$ABCD0
+ pshufd \$0b00011011,$ABCD1,$ABCD1
+ jmp .Loop_shaext
+
+.align 32
+.Loop_shaext:
+ movdqu 0x00(@ptr[0]),@MSG0[0]
+ movdqu 0x00(@ptr[1]),@MSG1[0]
+ movdqu 0x10(@ptr[0]),@MSG0[1]
+ movdqu 0x10(@ptr[1]),@MSG1[1]
+ movdqu 0x20(@ptr[0]),@MSG0[2]
+ pshufb $BSWAP,@MSG0[0]
+ movdqu 0x20(@ptr[1]),@MSG1[2]
+ pshufb $BSWAP,@MSG1[0]
+ movdqu 0x30(@ptr[0]),@MSG0[3]
+ lea 0x40(@ptr[0]),@ptr[0]
+ pshufb $BSWAP,@MSG0[1]
+ movdqu 0x30(@ptr[1]),@MSG1[3]
+ lea 0x40(@ptr[1]),@ptr[1]
+ pshufb $BSWAP,@MSG1[1]
+
+ movdqa $E0,0x50(%rsp) # offload
+ paddd @MSG0[0],$E0
+ movdqa $E1,0x70(%rsp)
+ paddd @MSG1[0],$E1
+ movdqa $ABCD0,0x40(%rsp) # offload
+ movdqa $ABCD0,$E0_
+ movdqa $ABCD1,0x60(%rsp)
+ movdqa $ABCD1,$E1_
+ sha1rnds4 \$0,$E0,$ABCD0 # 0-3
+ sha1nexte @MSG0[1],$E0_
+ sha1rnds4 \$0,$E1,$ABCD1 # 0-3
+ sha1nexte @MSG1[1],$E1_
+ pshufb $BSWAP,@MSG0[2]
+ prefetcht0 127(@ptr[0])
+ sha1msg1 @MSG0[1],@MSG0[0]
+ pshufb $BSWAP,@MSG1[2]
+ prefetcht0 127(@ptr[1])
+ sha1msg1 @MSG1[1],@MSG1[0]
+
+ pshufb $BSWAP,@MSG0[3]
+ movdqa $ABCD0,$E0
+ pshufb $BSWAP,@MSG1[3]
+ movdqa $ABCD1,$E1
+ sha1rnds4 \$0,$E0_,$ABCD0 # 4-7
+ sha1nexte @MSG0[2],$E0
+ sha1rnds4 \$0,$E1_,$ABCD1 # 4-7
+ sha1nexte @MSG1[2],$E1
+ pxor @MSG0[2],@MSG0[0]
+ sha1msg1 @MSG0[2],@MSG0[1]
+ pxor @MSG1[2],@MSG1[0]
+ sha1msg1 @MSG1[2],@MSG1[1]
+___
+for($i=2;$i<20-4;$i++) {
+$code.=<<___;
+ movdqa $ABCD0,$E0_
+ movdqa $ABCD1,$E1_
+ sha1rnds4 \$`int($i/5)`,$E0,$ABCD0 # 8-11
+ sha1nexte @MSG0[3],$E0_
+ sha1rnds4 \$`int($i/5)`,$E1,$ABCD1 # 8-11
+ sha1nexte @MSG1[3],$E1_
+ sha1msg2 @MSG0[3],@MSG0[0]
+ sha1msg2 @MSG1[3],@MSG1[0]
+ pxor @MSG0[3],@MSG0[1]
+ sha1msg1 @MSG0[3],@MSG0[2]
+ pxor @MSG1[3],@MSG1[1]
+ sha1msg1 @MSG1[3],@MSG1[2]
+___
+ ($E0,$E0_)=($E0_,$E0); ($E1,$E1_)=($E1_,$E1);
+ push(@MSG0,shift(@MSG0)); push(@MSG1,shift(@MSG1));
+}
+$code.=<<___;
+ movdqa $ABCD0,$E0_
+ movdqa $ABCD1,$E1_
+ sha1rnds4 \$3,$E0,$ABCD0 # 64-67
+ sha1nexte @MSG0[3],$E0_
+ sha1rnds4 \$3,$E1,$ABCD1 # 64-67
+ sha1nexte @MSG1[3],$E1_
+ sha1msg2 @MSG0[3],@MSG0[0]
+ sha1msg2 @MSG1[3],@MSG1[0]
+ pxor @MSG0[3],@MSG0[1]
+ pxor @MSG1[3],@MSG1[1]
+
+ mov \$1,%ecx
+ pxor @MSG0[2],@MSG0[2] # zero
+ cmp 4*0(%rbx),%ecx # examine counters
+ cmovge %rsp,@ptr[0] # cancel input
+
+ movdqa $ABCD0,$E0
+ movdqa $ABCD1,$E1
+ sha1rnds4 \$3,$E0_,$ABCD0 # 68-71
+ sha1nexte @MSG0[0],$E0
+ sha1rnds4 \$3,$E1_,$ABCD1 # 68-71
+ sha1nexte @MSG1[0],$E1
+ sha1msg2 @MSG0[0],@MSG0[1]
+ sha1msg2 @MSG1[0],@MSG1[1]
+
+ cmp 4*1(%rbx),%ecx
+ cmovge %rsp,@ptr[1]
+ movq (%rbx),@MSG0[0] # pull counters
+
+ movdqa $ABCD0,$E0_
+ movdqa $ABCD1,$E1_
+ sha1rnds4 \$3,$E0,$ABCD0 # 72-75
+ sha1nexte @MSG0[1],$E0_
+ sha1rnds4 \$3,$E1,$ABCD1 # 72-75
+ sha1nexte @MSG1[1],$E1_
+
+ pshufd \$0x00,@MSG0[0],@MSG1[2]
+ pshufd \$0x55,@MSG0[0],@MSG1[3]
+ movdqa @MSG0[0],@MSG0[1]
+ pcmpgtd @MSG0[2],@MSG1[2]
+ pcmpgtd @MSG0[2],@MSG1[3]
+
+ movdqa $ABCD0,$E0
+ movdqa $ABCD1,$E1
+ sha1rnds4 \$3,$E0_,$ABCD0 # 76-79
+ sha1nexte $MSG0[2],$E0
+ sha1rnds4 \$3,$E1_,$ABCD1 # 76-79
+ sha1nexte $MSG0[2],$E1
+
+ pcmpgtd @MSG0[2],@MSG0[1] # counter mask
+ pand @MSG1[2],$ABCD0
+ pand @MSG1[2],$E0
+ pand @MSG1[3],$ABCD1
+ pand @MSG1[3],$E1
+ paddd @MSG0[1],@MSG0[0] # counters--
+
+ paddd 0x40(%rsp),$ABCD0
+ paddd 0x50(%rsp),$E0
+ paddd 0x60(%rsp),$ABCD1
+ paddd 0x70(%rsp),$E1
+
+ movq @MSG0[0],(%rbx) # save counters
+ dec $num
+ jnz .Loop_shaext
+
+ mov `$REG_SZ*17+8`(%rsp),$num
+
+ pshufd \$0b00011011,$ABCD0,$ABCD0
+ pshufd \$0b00011011,$ABCD1,$ABCD1
+
+ movdqa $ABCD0,@MSG0[0]
+ punpckldq $ABCD1,$ABCD0 # b1.b0.a1.a0
+ punpckhdq $ABCD1,@MSG0[0] # d1.d0.c1.c0
+ punpckhdq $E1,$E0 # e1.e0.xx.xx
+ movq $ABCD0,0x00-0x40($ctx) # a1.a0
+ psrldq \$8,$ABCD0
+ movq @MSG0[0],0x40-0x40($ctx)# c1.c0
+ psrldq \$8,@MSG0[0]
+ movq $ABCD0,0x20-0x40($ctx) # b1.b0
+ psrldq \$8,$E0
+ movq @MSG0[0],0x60-0x40($ctx)# d1.d0
+ movq $E0,0x80-0x40($ctx) # e1.e0
+
+ lea `$REG_SZ/2`($ctx),$ctx
+ lea `16*2`($inp),$inp
+ dec $num
+ jnz .Loop_grande_shaext
+
+.Ldone_shaext:
+ #mov `$REG_SZ*17`(%rsp),%rax # original %rsp
+___
+$code.=<<___ if ($win64);
+ movaps -0xb8(%rax),%xmm6
+ movaps -0xa8(%rax),%xmm7
+ movaps -0x98(%rax),%xmm8
+ movaps -0x88(%rax),%xmm9
+ movaps -0x78(%rax),%xmm10
+ movaps -0x68(%rax),%xmm11
+ movaps -0x58(%rax),%xmm12
+ movaps -0x48(%rax),%xmm13
+ movaps -0x38(%rax),%xmm14
+ movaps -0x28(%rax),%xmm15
+___
+$code.=<<___;
+ mov -16(%rax),%rbp
+ mov -8(%rax),%rbx
+ lea (%rax),%rsp
+.Lepilogue_shaext:
+ ret
+.size sha1_multi_block_shaext,.-sha1_multi_block_shaext
+___
+ }}}
if ($avx) {{{
sub BODY_00_19_avx {
___
$code.=<<___ if ($i==14);
vpaddd $K,$e,$e # e+=K_00_19
+ prefetcht0 63(@ptr[0])
vpslld \$5,$a,$t2
vpandn $d,$b,$t1
vpand $c,$b,$t0
vpaddd @Xi[0],$e,$e # e+=X[i]
$vpack $t3,@Xi[1],@Xi[1]
vpsrld \$27,$a,$t3
+ prefetcht0 63(@ptr[1])
vpxor $t1,$t0,$t0 # Ch(b,c,d)
vpslld \$30,$b,$t1
vpor $t3,$t2,$t2 # rol(a,5)
+ prefetcht0 63(@ptr[2])
vpaddd $t0,$e,$e # e+=Ch(b,c,d)
vpsrld \$2,$b,$b
vpaddd $t2,$e,$e # e+=rol(a,5)
+ prefetcht0 63(@ptr[3])
vpshufb $tx,@Xi[1],@Xi[1]
vpor $t1,$b,$b # b=rol(b,30)
___
vpaddd $K,$e,$e # e+=K_00_19
vpslld \$5,$a,$t2
vpandn $d,$b,$t1
+ `"prefetcht0 63(@ptr[4])" if ($i==15 && $REG_SZ==32)`
vpand $c,$b,$t0
vmovdqa @Xi[0],`&Xi_off($i)`
vpsrld \$27,$a,$t3
vpxor $t1,$t0,$t0 # Ch(b,c,d)
vpxor @Xi[3],@Xi[1],@Xi[1]
+ `"prefetcht0 63(@ptr[5])" if ($i==15 && $REG_SZ==32)`
vpslld \$30,$b,$t1
vpor $t3,$t2,$t2 # rol(a,5)
vpaddd $t0,$e,$e # e+=Ch(b,c,d)
+ `"prefetcht0 63(@ptr[6])" if ($i==15 && $REG_SZ==32)`
vpsrld \$31,@Xi[1],$tx
vpaddd @Xi[1],@Xi[1],@Xi[1]
vpsrld \$2,$b,$b
+ `"prefetcht0 63(@ptr[7])" if ($i==15 && $REG_SZ==32)`
vpaddd $t2,$e,$e # e+=rol(a,5)
vpor $tx,@Xi[1],@Xi[1] # rol \$1,@Xi[1]
vpor $t1,$b,$b # b=rol(b,30)
sub \$`$REG_SZ*18`, %rsp
and \$-256,%rsp
mov %rax,`$REG_SZ*17`(%rsp) # original %rsp
+.Lbody_avx:
lea K_XX_XX(%rip),$Tbl
lea `$REG_SZ*16`(%rsp),%rbx
mov -16(%rax),%rbp
mov -8(%rax),%rbx
lea (%rax),%rsp
+.Lepilogue_avx:
ret
.size sha1_multi_block_avx,.-sha1_multi_block_avx
___
sub \$`$REG_SZ*18`, %rsp
and \$-256,%rsp
mov %rax,`$REG_SZ*17`(%rsp) # original %rsp
+.Lbody_avx2:
lea K_XX_XX(%rip),$Tbl
shr \$1,$num
mov -16(%rax),%rbp
mov -8(%rax),%rbx
lea (%rax),%rsp
+.Lepilogue_avx2:
ret
.size sha1_multi_block_avx2,.-sha1_multi_block_avx2
___
.long 0xca62c1d6,0xca62c1d6,0xca62c1d6,0xca62c1d6 # K_60_79
.long 0x00010203,0x04050607,0x08090a0b,0x0c0d0e0f # pbswap
.long 0x00010203,0x04050607,0x08090a0b,0x0c0d0e0f # pbswap
+ .byte 0xf,0xe,0xd,0xc,0xb,0xa,0x9,0x8,0x7,0x6,0x5,0x4,0x3,0x2,0x1,0x0
+ .asciz "SHA1 multi-block transform for x86_64, CRYPTOGAMS by <appro\@openssl.org>"
+___
+
+if ($win64) {
+# EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame,
+# CONTEXT *context,DISPATCHER_CONTEXT *disp)
+$rec="%rcx";
+$frame="%rdx";
+$context="%r8";
+$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($context),%rbx # pull context->Rip
+
+ mov 8($disp),%rsi # disp->ImageBase
+ mov 56($disp),%r11 # disp->HandlerData
+
+ mov 0(%r11),%r10d # HandlerData[0]
+ lea (%rsi,%r10),%r10 # end of prologue label
+ cmp %r10,%rbx # context->Rip<.Lbody
+ jb .Lin_prologue
+
+ mov 152($context),%rax # pull context->Rsp
+
+ mov 4(%r11),%r10d # HandlerData[1]
+ lea (%rsi,%r10),%r10 # epilogue label
+ cmp %r10,%rbx # context->Rip>=.Lepilogue
+ jae .Lin_prologue
+
+ mov `16*17`(%rax),%rax # pull saved stack pointer
+
+ mov -8(%rax),%rbx
+ mov -16(%rax),%rbp
+ mov %rbx,144($context) # restore context->Rbx
+ mov %rbp,160($context) # restore context->Rbp
+
+ lea -24-10*16(%rax),%rsi
+ lea 512($context),%rdi # &context.Xmm6
+ mov \$20,%ecx
+ .long 0xa548f3fc # cld; rep movsq
+
+.Lin_prologue:
+ mov 8(%rax),%rdi
+ mov 16(%rax),%rsi
+ mov %rax,152($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 $disp,%rsi
+ xor %rcx,%rcx # arg1, UNW_FLAG_NHANDLER
+ mov 8(%rsi),%rdx # arg2, disp->ImageBase
+ mov 0(%rsi),%r8 # arg3, disp->ControlPc
+ mov 16(%rsi),%r9 # arg4, disp->FunctionEntry
+ mov 40(%rsi),%r10 # disp->ContextRecord
+ lea 56(%rsi),%r11 # &disp->HandlerData
+ lea 24(%rsi),%r12 # &disp->EstablisherFrame
+ mov %r10,32(%rsp) # arg5
+ mov %r11,40(%rsp) # arg6
+ mov %r12,48(%rsp) # arg7
+ mov %rcx,56(%rsp) # arg8, (NULL)
+ call *__imp_RtlVirtualUnwind(%rip)
+
+ mov \$1,%eax # ExceptionContinueSearch
+ add \$64,%rsp
+ popfq
+ pop %r15
+ pop %r14
+ pop %r13
+ pop %r12
+ pop %rbp
+ pop %rbx
+ pop %rdi
+ pop %rsi
+ ret
+.size se_handler,.-se_handler
+___
+$code.=<<___ if ($avx>1);
+.type avx2_handler,\@abi-omnipotent
+.align 16
+avx2_handler:
+ push %rsi
+ push %rdi
+ push %rbx
+ push %rbp
+ push %r12
+ push %r13
+ push %r14
+ push %r15
+ pushfq
+ sub \$64,%rsp
+
+ mov 120($context),%rax # pull context->Rax
+ mov 248($context),%rbx # pull context->Rip
+
+ mov 8($disp),%rsi # disp->ImageBase
+ mov 56($disp),%r11 # disp->HandlerData
+
+ mov 0(%r11),%r10d # HandlerData[0]
+ lea (%rsi,%r10),%r10 # end of prologue label
+ cmp %r10,%rbx # context->Rip<body label
+ jb .Lin_prologue
+
+ mov 152($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 .Lin_prologue
+
+ mov `32*17`($context),%rax # pull saved stack pointer
+
+ mov -8(%rax),%rbx
+ mov -16(%rax),%rbp
+ mov -24(%rax),%r12
+ mov -32(%rax),%r13
+ mov -40(%rax),%r14
+ mov -48(%rax),%r15
+ mov %rbx,144($context) # restore context->Rbx
+ mov %rbp,160($context) # restore context->Rbp
+ mov %r12,216($context) # restore cotnext->R12
+ mov %r13,224($context) # restore cotnext->R13
+ mov %r14,232($context) # restore cotnext->R14
+ mov %r15,240($context) # restore cotnext->R15
+
+ lea -56-10*16(%rax),%rsi
+ lea 512($context),%rdi # &context.Xmm6
+ mov \$20,%ecx
+ .long 0xa548f3fc # cld; rep movsq
+
+ jmp .Lin_prologue
+.size avx2_handler,.-avx2_handler
___
+$code.=<<___;
+.section .pdata
+.align 4
+ .rva .LSEH_begin_sha1_multi_block
+ .rva .LSEH_end_sha1_multi_block
+ .rva .LSEH_info_sha1_multi_block
+ .rva .LSEH_begin_sha1_multi_block_shaext
+ .rva .LSEH_end_sha1_multi_block_shaext
+ .rva .LSEH_info_sha1_multi_block_shaext
+___
+$code.=<<___ if ($avx);
+ .rva .LSEH_begin_sha1_multi_block_avx
+ .rva .LSEH_end_sha1_multi_block_avx
+ .rva .LSEH_info_sha1_multi_block_avx
+___
+$code.=<<___ if ($avx>1);
+ .rva .LSEH_begin_sha1_multi_block_avx2
+ .rva .LSEH_end_sha1_multi_block_avx2
+ .rva .LSEH_info_sha1_multi_block_avx2
+___
+$code.=<<___;
+.section .xdata
+.align 8
+.LSEH_info_sha1_multi_block:
+ .byte 9,0,0,0
+ .rva se_handler
+ .rva .Lbody,.Lepilogue # HandlerData[]
+.LSEH_info_sha1_multi_block_shaext:
+ .byte 9,0,0,0
+ .rva se_handler
+ .rva .Lbody_shaext,.Lepilogue_shaext # HandlerData[]
+___
+$code.=<<___ if ($avx);
+.LSEH_info_sha1_multi_block_avx:
+ .byte 9,0,0,0
+ .rva se_handler
+ .rva .Lbody_avx,.Lepilogue_avx # HandlerData[]
+___
+$code.=<<___ if ($avx>1);
+.LSEH_info_sha1_multi_block_avx2:
+ .byte 9,0,0,0
+ .rva avx2_handler
+ .rva .Lbody_avx2,.Lepilogue_avx2 # HandlerData[]
+___
+}
+####################################################################
+
+sub rex {
+ local *opcode=shift;
+ my ($dst,$src)=@_;
+ my $rex=0;
+
+ $rex|=0x04 if ($dst>=8);
+ $rex|=0x01 if ($src>=8);
+ unshift @opcode,$rex|0x40 if ($rex);
+}
+
+sub sha1rnds4 {
+ if (@_[0] =~ /\$([x0-9a-f]+),\s*%xmm([0-9]+),\s*%xmm([0-9]+)/) {
+ my @opcode=(0x0f,0x3a,0xcc);
+ rex(\@opcode,$3,$2);
+ push @opcode,0xc0|($2&7)|(($3&7)<<3); # ModR/M
+ my $c=$1;
+ push @opcode,$c=~/^0/?oct($c):$c;
+ return ".byte\t".join(',',@opcode);
+ } else {
+ return "sha1rnds4\t".@_[0];
+ }
+}
+
+sub sha1op38 {
+ my $instr = shift;
+ my %opcodelet = (
+ "sha1nexte" => 0xc8,
+ "sha1msg1" => 0xc9,
+ "sha1msg2" => 0xca );
+
+ if (defined($opcodelet{$instr}) && @_[0] =~ /%xmm([0-9]+),\s*%xmm([0-9]+)/) {
+ my @opcode=(0x0f,0x38);
+ rex(\@opcode,$2,$1);
+ push @opcode,$opcodelet{$instr};
+ push @opcode,0xc0|($1&7)|(($2&7)<<3); # ModR/M
+ return ".byte\t".join(',',@opcode);
+ } else {
+ return $instr."\t".@_[0];
+ }
+}
foreach (split("\n",$code)) {
s/\`([^\`]*)\`/eval($1)/ge;
+ s/\b(sha1rnds4)\s+(.*)/sha1rnds4($2)/geo or
+ s/\b(sha1[^\s]*)\s+(.*)/sha1op38($1,$2)/geo or
+
s/\b(vmov[dq])\b(.+)%ymm([0-9]+)/$1$2%xmm$3/go or
s/\b(vmovdqu)\b(.+)%x%ymm([0-9]+)/$1$2%xmm$3/go or
s/\b(vpinsr[qd])\b(.+)%ymm([0-9]+),%ymm([0-9]+)/$1$2%xmm$3,%xmm$4/go or
s/\b(vpextr[qd])\b(.+)%ymm([0-9]+)/$1$2%xmm$3/go or
s/\b(vinserti128)\b(\s+)%ymm/$1$2\$1,%xmm/go or
s/\b(vpbroadcast[qd]\s+)%ymm([0-9]+)/$1%xmm$2/go;
+
print $_,"\n";
}
projects / openssl.git / blobdiff