SHA256/512 for x86.

crypto/sha/asm/sha256-586.pl

+#!/usr/bin/env perl
+#
+# ====================================================================
+# Written by Andy Polyakov <appro@fy.chalmers.se> for the OpenSSL
+# project. The module is, however, dual licensed under OpenSSL and
+# CRYPTOGAMS licenses depending on where you obtain it. For further
+# details see http://www.openssl.org/~appro/cryptogams/.
+# ====================================================================
+#
+# SHA256 block transform for x86. September 2007.
+#
+# Performance in clock cycles per processed byte (less is better):
+#
+#		Pentium	PIII	P4	AMD K8	Core2
+# gcc		46	36	41	27	26
+# icc		57	33	38	25	23	
+# x86 asm	40	30	35	20	20
+# x86_64 asm(*)	-	-	21	15.8	16.5
+#
+# (*) x86_64 assembler performance is presented for reference
+#     purposes.
+#
+# Performance improvement over compiler generated code varies from
+# 10% to 40% [see above]. Not very impressive on some -archs, but
+# it's 5 times smaller and optimizies amount of writes.
+
+$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
+push(@INC,"${dir}","${dir}../../perlasm");
+require "x86asm.pl";
+
+&asm_init($ARGV[0],"sha512-586.pl",$ARGV[$#ARGV] eq "386");
+
+$A="eax";
+$E="edx";
+$T="ebx";
+$Aoff=&DWP(0,"esp");
+$Boff=&DWP(4,"esp");
+$Coff=&DWP(8,"esp");
+$Doff=&DWP(12,"esp");
+$Eoff=&DWP(16,"esp");
+$Foff=&DWP(20,"esp");
+$Goff=&DWP(24,"esp");
+$Hoff=&DWP(28,"esp");
+$Xoff=&DWP(32,"esp");
+$K256="ebp";
+
+sub BODY_00_15() {
+	&mov	("ecx",$E);
+	&ror	("ecx",6);
+	&mov	("edi",$E);
+	&ror	("edi",11);
+	 &mov	("esi",$Foff);
+	&xor	("ecx","edi");
+	&ror	("edi",25-11);
+	&xor	("ecx","edi");	# Sigma1(e)
+	 &mov	("edi",$Goff);
+	&add	($T,"ecx");	# T += Sigma1(e)
+	 &mov	($Eoff,$E);	# modulo-scheduled
+
+	&xor	("esi","edi");
+	 &mov	("ecx",$A);
+	&and	("esi",$E);
+	 &mov	($E,$Doff);	# e becomes d, which is e in next iteration
+	&xor	("esi","edi");	# Ch(e,f,g)
+	 &mov	("edi",$A);
+	&add	($T,"esi");	# T += Ch(e,f,g)
+
+	&ror	("ecx",2);
+	 &add	($T,$Hoff);	# T += h
+	&ror	("edi",13);
+	 &mov	("esi",$Boff);
+	&xor	("ecx","edi");
+	&ror	("edi",22-13);
+	 &add	($E,$T);	# d += T
+	&xor	("ecx","edi");	# Sigma0(a)
+	 &mov	("edi",$Coff);
+
+	&add	($T,"ecx");	# T += Sigma0(a)
+	 &mov	($Aoff,$A);	# modulo-scheduled
+
+	&mov	("ecx",$A);
+	 &sub	("esp",4);
+	&or	($A,"esi");	# a becomes h, which is a in next iteration
+	&and	("ecx","esi");
+	&and	($A,"edi");
+	 &mov	("esi",&DWP(0,$K256));
+	&or	($A,"ecx");	# h=Maj(a,b,c)
+
+	&add	($K256,4);
+	&add	($A,$T);	# h += T
+	&add	($E,"esi");	# d += K256[i]
+	&add	($A,"esi");	# h += K256[i]
+}
+
+&function_begin("sha256_block_data_order",16);
+	&mov	("esi",wparam(0));	# ctx
+	&mov	("edi",wparam(1));	# inp
+	&mov	("eax",wparam(2));	# num
+	&mov	("ebx","esp");		# saved sp
+
+	&call	(&label("pic_point"));	# make it PIC!
+&set_label("pic_point");
+	&blindpop($K256);
+	&lea	($K256,&DWP(&label("K256")."-".&label("pic_point"),$K256));
+
+	&sub	("esp",16);
+	&and	("esp",-64);
+
+	&shl	("eax",6);
+	&add	("eax","edi");
+	&mov	(&DWP(0,"esp"),"esi");	# ctx
+	&mov	(&DWP(4,"esp"),"edi");	# inp
+	&mov	(&DWP(8,"esp"),"eax");	# inp+num*128
+	&mov	(&DWP(12,"esp"),"ebx");	# saved sp
+
+&set_label("loop",16);
+    # copy input block to stack reversing byte and dword order
+    for($i=0;$i<4;$i++) {
+	&mov	("eax",&DWP($i*16+0,"edi"));
+	&mov	("ebx",&DWP($i*16+4,"edi"));
+	&mov	("ecx",&DWP($i*16+8,"edi"));
+	&mov	("edx",&DWP($i*16+12,"edi"));
+	&bswap	("eax");
+	&bswap	("ebx");
+	&bswap	("ecx");
+	&bswap	("edx");
+	&push	("eax");
+	&push	("ebx");
+	&push	("ecx");
+	&push	("edx");
+    }
+	&add	("edi",64);
+	&sub	("esp",4*8);		# place for A,B,C,D,E,F,G,H
+	&mov	(&DWP(4*(8+16)+4,"esp"),"edi");
+
+	# copy ctx->h[0-7] to A,B,C,D,E,F,G,H on stack
+	&mov	($A,&DWP(0,"esi"));
+	&mov	("ebx",&DWP(4,"esi"));
+	&mov	("ecx",&DWP(8,"esi"));
+	&mov	("edi",&DWP(12,"esi"));
+	# &mov	($Aoff,$A);
+	&mov	($Boff,"ebx");
+	&mov	($Coff,"ecx");
+	&mov	($Doff,"edi");
+	&mov	($E,&DWP(16,"esi"));	
+	&mov	("ebx",&DWP(20,"esi"));
+	&mov	("ecx",&DWP(24,"esi"));
+	&mov	("edi",&DWP(28,"esi"));
+	# &mov	($Eoff,$E);
+	&mov	($Foff,"ebx");
+	&mov	($Goff,"ecx");
+	&mov	($Hoff,"edi");
+
+&set_label("00_15",16);
+	&mov	($T,&DWP(4*(8+15),"esp"));
+
+	&BODY_00_15();
+
+	&cmp	("esi",0xc19bf174);
+	&jne	(&label("00_15"));
+
+&set_label("16_63",16);
+	&mov	($T,&DWP(4*(8+15+16-1),"esp"));
+	 &mov	("ecx",&DWP(4*(8+15+16-14),"esp"));
+	&mov	("esi",$T);
+	&shr	($T,3);
+	&ror	("esi",7);
+	&xor	($T,"esi");
+	&ror	("esi",18-7);
+	 &mov	("edi","ecx");
+	&xor	($T,"esi");			# T = sigma0(X[-15])
+
+	&shr	("ecx",10);
+	 &mov	("esi",&DWP(4*(8+15+16),"esp"));
+	&ror	("edi",17);
+	&xor	("ecx","edi");
+	&ror	("edi",19-17);
+	 &add	($T,"esi");			# T += X[-16]
+	&xor	("ecx","edi")			# sigma1(X[-2])
+
+	&add	($T,"ecx");			# T += sigma1(X[-2])
+	&add	($T,&DWP(4*(8+15+16-9),"esp"));	# T += X[-7]
+	&mov	(&DWP(4*(8+15),"esp"),$T);	# save X[0]
+
+	&BODY_00_15();
+
+	&cmp	("esi",0xc67178f2);
+	&jne	(&label("16_63"));
+
+	&mov	("esi",&DWP(4*(8+16+64)+0,"esp"));#ctx
+	# &mov	($A,$Aoff);
+	&mov	("ebx",$Boff);
+	&mov	("ecx",$Coff);
+	&mov	("edi",$Doff);
+	&add	($A,&DWP(0,"esi"));
+	&add	("ebx",&DWP(4,"esi"));
+	&add	("ecx",&DWP(8,"esi"));
+	&add	("edi",&DWP(12,"esi"));
+	&mov	(&DWP(0,"esi"),$A);
+	&mov	(&DWP(4,"esi"),"ebx");
+	&mov	(&DWP(8,"esi"),"ecx");
+	&mov	(&DWP(12,"esi"),"edi");
+	# &mov	($E,$Eoff);
+	&mov	("eax",$Foff);
+	&mov	("ebx",$Goff);
+	&mov	("ecx",$Hoff);
+	&mov	("edi",&DWP(4*(8+16+64)+4,"esp"));#inp
+	&add	($E,&DWP(16,"esi"));
+	&add	("eax",&DWP(20,"esi"));
+	&add	("ebx",&DWP(24,"esi"));
+	&add	("ecx",&DWP(28,"esi"));
+	&mov	(&DWP(16,"esi"),$E);
+	&mov	(&DWP(20,"esi"),"eax");
+	&mov	(&DWP(24,"esi"),"ebx");
+	&mov	(&DWP(28,"esi"),"ecx");
+
+	&add	("esp",4*(8+16+64));		# destroy frame
+	&sub	($K256,4*64);			# rewind K
+
+	&cmp	("edi",&DWP(8,"esp"));		# are we done yet?
+	&jb	(&label("loop"));
+
+	&mov	("esp",&DWP(12,"esp"));		# restore sp
+&function_end_A();
+
+&set_label("K256",64);	# Yes! I keep it in the code segment!
+	&data_word(0x428a2f98,0x71374491,0xb5c0fbcf,0xe9b5dba5);
+	&data_word(0x3956c25b,0x59f111f1,0x923f82a4,0xab1c5ed5);
+	&data_word(0xd807aa98,0x12835b01,0x243185be,0x550c7dc3);
+	&data_word(0x72be5d74,0x80deb1fe,0x9bdc06a7,0xc19bf174);
+	&data_word(0xe49b69c1,0xefbe4786,0x0fc19dc6,0x240ca1cc);
+	&data_word(0x2de92c6f,0x4a7484aa,0x5cb0a9dc,0x76f988da);
+	&data_word(0x983e5152,0xa831c66d,0xb00327c8,0xbf597fc7);
+	&data_word(0xc6e00bf3,0xd5a79147,0x06ca6351,0x14292967);
+	&data_word(0x27b70a85,0x2e1b2138,0x4d2c6dfc,0x53380d13);
+	&data_word(0x650a7354,0x766a0abb,0x81c2c92e,0x92722c85);
+	&data_word(0xa2bfe8a1,0xa81a664b,0xc24b8b70,0xc76c51a3);
+	&data_word(0xd192e819,0xd6990624,0xf40e3585,0x106aa070);
+	&data_word(0x19a4c116,0x1e376c08,0x2748774c,0x34b0bcb5);
+	&data_word(0x391c0cb3,0x4ed8aa4a,0x5b9cca4f,0x682e6ff3);
+	&data_word(0x748f82ee,0x78a5636f,0x84c87814,0x8cc70208);
+	&data_word(0x90befffa,0xa4506ceb,0xbef9a3f7,0xc67178f2);
+&function_end_B("sha256_block_data_order");
+&asciz("SHA256 block transform for x86, CRYPTOGAMS by <appro\@openssl.org>");
+
+&asm_finish();

crypto/sha/asm/sha512-586.pl

+#!/usr/bin/env perl
+#
+# ====================================================================
+# Written by Andy Polyakov <appro@fy.chalmers.se> for the OpenSSL
+# project. The module is, however, dual licensed under OpenSSL and
+# CRYPTOGAMS licenses depending on where you obtain it. For further
+# details see http://www.openssl.org/~appro/cryptogams/.
+# ====================================================================
+#
+# SHA512 block transform for x86. September 2007.
+#
+# Performance in clock cycles per processed byte (less is better):
+#
+#		Pentium	PIII	P4	AMD K8	Core2
+# gcc		100	75	116	54	66
+# icc		97	77	95	55	57
+# x86 asm	61	56	82	36	40
+# SSE2 asm	-	-	38	24	20
+# x86_64 asm(*)	-	-	30	10.0	10.5
+#
+# (*) x86_64 assembler performance is presented for reference
+#     purposes.
+#
+# IALU code-path is optimized for elder Pentiums. On vanilla Pentium
+# performance improvement over compiler generated code reaches ~60%,
+# while on PIII - ~35%. On newer -archs improvement varies from 15%
+# to 50%, but it's less important as they are expected to execute SSE2
+# code-path, which is commonly ~2-3x faster [than compiler generated
+# code]. SSE2 code-path is as fast as original sha512-sse2.pl, even
+# though it does not use 128-bit operations. The latter means that
+# SSE2-aware kernel is no longer required to execute the code. Another
+# difference is that new code optimizes amount of writes, but at the
+# cost of increased data cache "footprint" by 1/2KB.
+
+$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
+push(@INC,"${dir}","${dir}../../perlasm");
+require "x86asm.pl";
+
+&asm_init($ARGV[0],"sha512-586.pl",$ARGV[$#ARGV] eq "386");
+
+$Tlo=&DWP(0,"esp");	$Thi=&DWP(4,"esp");
+$Alo=&DWP(8,"esp");	$Ahi=&DWP(8+4,"esp");
+$Blo=&DWP(16,"esp");	$Bhi=&DWP(16+4,"esp");
+$Clo=&DWP(24,"esp");	$Chi=&DWP(24+4,"esp");
+$Dlo=&DWP(32,"esp");	$Dhi=&DWP(32+4,"esp");
+$Elo=&DWP(40,"esp");	$Ehi=&DWP(40+4,"esp");
+$Flo=&DWP(48,"esp");	$Fhi=&DWP(48+4,"esp");
+$Glo=&DWP(56,"esp");	$Ghi=&DWP(56+4,"esp");
+$Hlo=&DWP(64,"esp");	$Hhi=&DWP(64+4,"esp");
+$K512="ebp";
+
+$Asse2=&QWP(0,"esp");
+$Bsse2=&QWP(8,"esp");
+$Csse2=&QWP(16,"esp");
+$Dsse2=&QWP(24,"esp");
+$Esse2=&QWP(32,"esp");
+$Fsse2=&QWP(40,"esp");
+$Gsse2=&QWP(48,"esp");
+$Hsse2=&QWP(56,"esp");
+
+$A="mm0";	# B-D and
+$E="mm4";	# F-H are commonly loaded to respectively mm1-mm3 and
+		# mm5-mm7, but it's done on on-demand basis...
+
+sub BODY_00_15_sse2 {
+	&movq	("mm5",$Fsse2);			# load f
+	&movq	("mm6",$Gsse2);			# load g
+	&movq	("mm7",$Hsse2);			# load h
+
+	&movq	("mm1",$E);			# %mm1 is sliding right
+	&movq	("mm2",$E);			# %mm2 is sliding left
+	&psrlq	("mm1",14);
+	&movq	($Esse2,$E);			# module-scheduled save e
+	&psllq	("mm2",23);
+	&movq	("mm3","mm1");			# %mm3 is T1
+	&psrlq	("mm1",4);
+	&pxor	("mm3","mm2");
+	&psllq	("mm2",23);
+	&pxor	("mm3","mm1");
+	&psrlq	("mm1",23);
+	&pxor	("mm3","mm2");
+	&psllq	("mm2",4);
+	&pxor	("mm3","mm1");
+	&paddq	("mm7",QWP(0,$K512));		# h+=K512[i]
+	&pxor	("mm3","mm2");			# T1=Sigma1_512(e)
+
+	&pxor	("mm5","mm6");			# f^=g
+	&movq	("mm1",$Bsse2);			# load b
+	&pand	("mm5",$E);			# f&=e
+	&movq	("mm2",$Csse2);			# load c
+	&pxor	("mm5","mm6");			# f^=g
+	&movq	($E,$Dsse2);			# e = load d
+	&paddq	("mm3","mm5");			# T1+=Ch(e,f,g)
+
+	&paddq	("mm3","mm7");			# T1+=h
+
+	&movq	("mm5",$A);			# %mm5 is sliding right
+	&movq	("mm6",$A);			# %mm6 is sliding left
+	&paddq	("mm3",&QWP(8*9,"esp"));	# T1+=X[0]
+	&psrlq	("mm5",28);
+	&paddq	($E,"mm3");			# e += T1
+	&psllq	("mm6",25);
+	&movq	("mm7","mm5");			# %mm7 is T2
+	&psrlq	("mm5",6);
+	&pxor	("mm7","mm6");
+	&psllq	("mm6",5);
+	&pxor	("mm7","mm5");
+	&psrlq	("mm5",5);
+	&pxor	("mm7","mm6");
+	&psllq	("mm6",6);
+	&pxor	("mm7","mm5");
+	&movq	(&QWP(0,"esp"),$A);		# module-scheduled save a
+	&pxor	("mm7","mm6");			# T2=Sigma0_512(a)
+
+	&movq	("mm5",$A);			# %mm5=a
+	&por	($A,"mm2");			# a=a|c
+	&pand	("mm5","mm2");			# %mm5=a&c
+	&pand	($A,"mm1");			# a=(a|c)&b
+	&por	("mm5",$A);			# %mm5=(a&c)|((a|c)&b)
+	&sub	("esp",8);
+	&paddq	("mm7","mm5");			# T2+=Maj(a,b,c)
+	&movq	($A,"mm3");			# a=T1
+
+	&mov	(&LB("edx"),&BP(0,$K512));
+	&paddq	($A,"mm7");			# a+=T2
+	&add	($K512,8);
+}
+
+sub BODY_00_15_x86 {
+	#define Sigma1(x)	(ROTR((x),14) ^ ROTR((x),18)  ^ ROTR((x),41))
+	#	LO		lo>>14^hi<<18 ^ lo>>18^hi<<14 ^ hi>>9^lo<<23
+	#	HI		hi>>14^lo<<18 ^ hi>>18^lo<<14 ^ lo>>9^hi<<23
+	&mov	("ecx",$Elo);
+	&mov	("edx",$Ehi);
+	&mov	("esi","ecx");
+
+	&shr	("ecx",9)	# lo>>9
+	&mov	("edi","edx");
+	&shr	("edx",9)	# hi>>9
+	&mov	("ebx","ecx");
+	&shl	("esi",14);	# lo<<14
+	&mov	("eax","edx");
+	&shl	("edi",14);	# hi<<14
+	&xor	("ebx","esi");
+
+	&shr	("ecx",14-9);	# lo>>14
+	&xor	("eax","edi");
+	&shr	("edx",14-9);	# hi>>14
+	&xor	("eax","ecx");
+	&shl	("esi",18-14);	# lo<<18
+	&xor	("ebx","edx");
+	&shl	("edi",18-14);	# hi<<18
+	&xor	("ebx","esi");
+
+	&shr	("ecx",18-14);	# lo>>18
+	&xor	("eax","edi");
+	&shr	("edx",18-14);	# hi>>18
+	&xor	("eax","ecx");
+	&shl	("esi",23-18);	# lo<<23
+	&xor	("ebx","edx");
+	&shl	("edi",23-18);	# hi<<23
+	&xor	("eax","esi");
+	&xor	("ebx","edi");			# T1 = Sigma1(e)
+
+	&mov	("ecx",$Flo);
+	&mov	("edx",$Fhi);
+	&mov	("esi",$Glo);
+	&mov	("edi",$Ghi);
+	 &add	("eax",$Hlo);
+	 &adc	("ebx",$Hhi);			# T1 += h
+	&xor	("ecx","esi");
+	&xor	("edx","edi");
+	&and	("ecx",$Elo);
+	&and	("edx",$Ehi);
+	 &add	("eax",&DWP(8*(9+15)+0,"esp"));
+	 &adc	("ebx",&DWP(8*(9+15)+4,"esp"));	# T1 += X[0]
+	&xor	("ecx","esi");
+	&xor	("edx","edi");			# Ch(e,f,g) = (f^g)&e)^g
+
+	&mov	("esi",&DWP(0,$K512));
+	&mov	("edi",&DWP(4,$K512));		# K[i]
+	&add	("eax","ecx");
+	&adc	("ebx","edx");			# T1 += Ch(e,f,g)
+	&mov	("ecx",$Dlo);
+	&mov	("edx",$Dhi);
+	&add	("eax","esi");
+	&adc	("ebx","edi");			# T1 += K[i]
+	&mov	($Tlo,"eax");
+	&mov	($Thi,"ebx");			# put T1 away
+	&add	("eax","ecx");
+	&adc	("ebx","edx");			# d += T1
+
+	#define Sigma0(x)	(ROTR((x),28) ^ ROTR((x),34) ^ ROTR((x),39))
+	#	LO		lo>>28^hi<<4  ^ hi>>2^lo<<30 ^ hi>>7^lo<<25
+	#	HI		hi>>28^lo<<4  ^ lo>>2^hi<<30 ^ lo>>7^hi<<25
+	&mov	("ecx",$Alo);
+	&mov	("edx",$Ahi);
+	&mov	($Dlo,"eax");
+	&mov	($Dhi,"ebx");
+	&mov	("esi","ecx");
+
+	&shr	("ecx",2)	# lo>>2
+	&mov	("edi","edx");
+	&shr	("edx",2)	# hi>>2
+	&mov	("ebx","ecx");
+	&shl	("esi",4);	# lo<<4
+	&mov	("eax","edx");
+	&shl	("edi",4);	# hi<<4
+	&xor	("ebx","esi");
+
+	&shr	("ecx",7-2);	# lo>>7
+	&xor	("eax","edi");
+	&shr	("edx",7-2);	# hi>>7
+	&xor	("ebx","ecx");
+	&shl	("esi",25-4);	# lo<<25
+	&xor	("eax","edx");
+	&shl	("edi",25-4);	# hi<<25
+	&xor	("eax","esi");
+
+	&shr	("ecx",28-7);	# lo>>28
+	&xor	("ebx","edi");
+	&shr	("edx",28-7);	# hi>>28
+	&xor	("eax","ecx");
+	&shl	("esi",30-25);	# lo<<30
+	&xor	("ebx","edx");
+	&shl	("edi",30-25);	# hi<<30
+	&xor	("eax","esi");
+	&xor	("ebx","edi");			# Sigma0(a)
+
+	&mov	("ecx",$Alo);
+	&mov	("edx",$Ahi);
+	&mov	("esi",$Blo);
+	&mov	("edi",$Bhi);
+	&add	("eax",$Tlo);
+	&adc	("ebx",$Thi);			# T1 = Sigma0(a)+T1
+	&or	("ecx","esi");
+	&or	("edx","edi");
+	&and	("ecx",$Clo);
+	&and	("edx",$Chi);
+	&and	("esi",$Alo);
+	&and	("edi",$Ahi);
+	&or	("ecx","esi");
+	&or	("edx","edi");			# Maj(a,b,c) = ((a|b)&c)|(a&b)
+
+	&add	("eax","ecx");
+	&adc	("ebx","edx");			# T1 += Maj(a,b,c)
+	&mov	($Tlo,"eax");
+	&mov	($Thi,"ebx");
+
+	&mov	(&LB("edx"),&BP(0,$K512));	# pre-fetch LSB of *K
+	&sub	("esp",8);
+	&lea	($K512,&DWP(8,$K512));		# K++
+}
+
+
+&function_begin("sha512_block_data_order",16);
+	&mov	("esi",wparam(0));	# ctx
+	&mov	("edi",wparam(1));	# inp
+	&mov	("eax",wparam(2));	# num
+	&mov	("ebx","esp");		# saved sp
+
+	&call	(&label("pic_point"));	# make it PIC!
+&set_label("pic_point");
+	&blindpop($K512);
+	&lea	($K512,&DWP(&label("K512")."-".&label("pic_point"),$K512));
+
+	&sub	("esp",16);
+	&and	("esp",-64);
+
+	&shl	("eax",7);
+	&add	("eax","edi");
+	&mov	(&DWP(0,"esp"),"esi");	# ctx
+	&mov	(&DWP(4,"esp"),"edi");	# inp
+	&mov	(&DWP(8,"esp"),"eax");	# inp+num*128
+	&mov	(&DWP(12,"esp"),"ebx");	# saved sp
+
+	&picmeup("edx","OPENSSL_ia32cap_P",$K512,&label("pic_point"));
+	&bt	(&DWP(0,"edx"),26);
+	&jnc	(&label("loop_x86"));
+
+	# load ctx->h[0-7]
+	&movq	($A,&QWP(0,"esi"));
+	&movq	("mm1",&QWP(8,"esi"));
+	&movq	("mm2",&QWP(16,"esi"));
+	&movq	("mm3",&QWP(24,"esi"));
+	&movq	($E,&QWP(32,"esi"));
+	&movq	("mm5",&QWP(40,"esi"));
+	&movq	("mm6",&QWP(48,"esi"));
+	&movq	("mm7",&QWP(56,"esi"));
+	&sub	("esp",8*10);
+
+&set_label("loop_sse2",16);
+	# &movq	($Asse2,$A);
+	&movq	($Bsse2,"mm1");
+	&movq	($Csse2,"mm2");
+	&movq	($Dsse2,"mm3");
+	# &movq	($Esse2,$E);
+	&movq	($Fsse2,"mm5");
+	&movq	($Gsse2,"mm6");
+	&movq	($Hsse2,"mm7");
+
+	&mov	("ecx",&DWP(0,"edi"));
+	&mov	("edx",&DWP(4,"edi"));
+	&add	("edi",8);
+	&bswap	("ecx");
+	&bswap	("edx");
+	&mov	(&DWP(8*9+4,"esp"),"ecx");
+	&mov	(&DWP(8*9+0,"esp"),"edx");
+
+&set_label("00_14_sse2",16);
+	&mov	("eax",&DWP(0,"edi"));
+	&mov	("ebx",&DWP(4,"edi"));
+	&add	("edi",8);
+	&bswap	("eax");
+	&bswap	("ebx");
+	&mov	(&DWP(8*8+4,"esp"),"eax");
+	&mov	(&DWP(8*8+0,"esp"),"ebx");
+
+	&BODY_00_15_sse2();
+
+	&cmp	(&LB("edx"),0x35);
+	&jne	(&label("00_14_sse2"));
+
+	&BODY_00_15_sse2();
+
+&set_label("16_79_sse2",16);
+	&movq	("mm3",&QWP(8*(9+16-1),"esp"));
+	&movq	("mm6",&QWP(8*(9+16-14),"esp"));
+	&movq	("mm1","mm3");
+
+	&psrlq	("mm3",1);
+	&movq	("mm7","mm6");
+	&psrlq	("mm6",6);
+	&movq	("mm2","mm3");
+
+	&psrlq	("mm3",7-1);
+	&movq	("mm5","mm6");
+	&psrlq	("mm6",19-6);
+	&pxor	("mm2","mm3");
+
+	&psrlq	("mm3",8-7);
+	&pxor	("mm5","mm6");
+	&psrlq	("mm6",61-19);
+	&pxor	("mm2","mm3");
+
+	&movq	("mm3",&QWP(8*(9+16),"esp"));
+
+	&psllq	("mm1",56);
+	&pxor	("mm5","mm6");
+	&psllq	("mm7",3);
+	&pxor	("mm2","mm1");
+
+	&paddq	("mm3",&QWP(8*(9+16-9),"esp"));
+
+	&psllq	("mm1",63-56);
+	&pxor	("mm5","mm7");
+	&psllq	("mm7",45-3);
+	&pxor	("mm2","mm1");
+	&pxor	("mm5","mm7");
+
+	&paddq	("mm2","mm5");
+	&paddq	("mm2","mm3");
+	&movq	(&QWP(8*9,"esp"),"mm2");
+
+	&BODY_00_15_sse2();
+
+	&cmp	(&LB("edx"),0x17);
+	&jne	(&label("16_79_sse2"));
+
+	# &movq	($A,$Asse2);
+	&movq	("mm1",$Bsse2);
+	&movq	("mm2",$Csse2);
+	&movq	("mm3",$Dsse2);
+	# &movq	($E,$Esse2);
+	&movq	("mm5",$Fsse2);
+	&movq	("mm6",$Gsse2);
+	&movq	("mm7",$Hsse2);
+
+	&paddq	($A,&QWP(0,"esi"));
+	&paddq	("mm1",&QWP(8,"esi"));
+	&paddq	("mm2",&QWP(16,"esi"));
+	&paddq	("mm3",&QWP(24,"esi"));
+	&paddq	($E,&QWP(32,"esi"));
+	&paddq	("mm5",&QWP(40,"esi"));
+	&paddq	("mm6",&QWP(48,"esi"));
+	&paddq	("mm7",&QWP(56,"esi"));
+
+	&movq	(&QWP(0,"esi"),$A);
+	&movq	(&QWP(8,"esi"),"mm1");
+	&movq	(&QWP(16,"esi"),"mm2");
+	&movq	(&QWP(24,"esi"),"mm3");
+	&movq	(&QWP(32,"esi"),$E);
+	&movq	(&QWP(40,"esi"),"mm5");
+	&movq	(&QWP(48,"esi"),"mm6");
+	&movq	(&QWP(56,"esi"),"mm7");
+
+	&add	("esp",8*80);			# destroy frame
+	&sub	($K512,8*80);			# rewind K
+
+	&cmp	("edi",&DWP(8*10+8,"esp"));	# are we done yet?
+	&jb	(&label("loop_sse2"));
+
+	&emms	();
+	&mov	("esp",&DWP(8*10+12,"esp"));	# restore sp
+&function_end_A();
+
+&set_label("loop_x86",16);
+    # copy input block to stack reversing byte and qword order
+    for ($i=0;$i<8;$i++) {
+	&mov	("eax",&DWP($i*16+0,"edi"));
+	&mov	("ebx",&DWP($i*16+4,"edi"));
+	&mov	("ecx",&DWP($i*16+8,"edi"));
+	&mov	("edx",&DWP($i*16+12,"edi"));
+	&bswap	("eax");
+	&bswap	("ebx");
+	&bswap	("ecx");
+	&bswap	("edx");
+	&push	("eax");
+	&push	("ebx");
+	&push	("ecx");
+	&push	("edx");
+    }
+	&add	("edi",128);
+	&sub	("esp",9*8);		# place for T,A,B,C,D,E,F,G,H
+	&mov	(&DWP(8*(9+16)+4,"esp"),"edi");
+
+	# copy ctx->h[0-7] to A,B,C,D,E,F,G,H on stack
+	&lea	("edi",&DWP(8,"esp"));
+	&mov	("ecx",16);
+	&data_word(0xA5F3F689);		# rep movsd
+
+&set_label("00_15_x86",16);
+	&BODY_00_15_x86();
+
+	&cmp	(&LB("edx"),0x94);
+	&jne	(&label("00_15_x86"));
+
+&set_label("16_79_x86",16);
+	#define sigma0(x)	(ROTR((x),1)  ^ ROTR((x),8)  ^ ((x)>>7))
+	#	LO		lo>>1^hi<<31  ^ lo>>8^hi<<24 ^ lo>>7^hi<<25
+	#	HI		hi>>1^lo<<31  ^ hi>>8^lo<<24 ^ hi>>7
+	&mov	("ecx",&DWP(8*(9+15+16-1)+0,"esp"));
+	&mov	("edx",&DWP(8*(9+15+16-1)+4,"esp"));
+	&mov	("esi","ecx");
+
+	&shr	("ecx",1)	# lo>>1
+	&mov	("edi","edx");
+	&shr	("edx",1)	# hi>>1
+	&mov	("eax","ecx");
+	&shl	("esi",24);	# lo<<24
+	&mov	("ebx","edx");
+	&shl	("edi",24);	# hi<<24
+	&xor	("ebx","esi");
+
+	&shr	("ecx",7-1);	# lo>>7
+	&xor	("eax","edi");
+	&shr	("edx",7-1);	# hi>>7
+	&xor	("eax","ecx");
+	&shl	("esi",31-24);	# lo<<31
+	&xor	("ebx","edx");
+	&shl	("edi",25-24);	# hi<<25
+	&xor	("ebx","esi");
+
+	&shr	("ecx",8-7);	# lo>>8
+	&xor	("eax","edi");
+	&shr	("edx",8-7);	# hi>>8
+	&xor	("eax","ecx");
+	&shl	("edi",31-25);	# hi<<31
+	&xor	("ebx","edx");
+	&xor	("eax","edi");			# T1 = sigma0(X[-15])
+
+	&mov	(&DWP(0,"esp"),"eax");
+	&mov	(&DWP(4,"esp"),"ebx");		# put T1 away
+
+	#define sigma1(x)	(ROTR((x),19) ^ ROTR((x),61) ^ ((x)>>6))
+	#	LO		lo>>19^hi<<13 ^ hi>>29^lo<<3 ^ lo>>6^hi<<26
+	#	HI		hi>>19^lo<<13 ^ lo>>29^hi<<3 ^ hi>>6
+	&mov	("ecx",&DWP(8*(9+15+16-14)+0,"esp"));
+	&mov	("edx",&DWP(8*(9+15+16-14)+4,"esp"));
+	&mov	("esi","ecx");
+
+	&shr	("ecx",6)	# lo>>6
+	&mov	("edi","edx");
+	&shr	("edx",6)	# hi>>6
+	&mov	("eax","ecx");
+	&shl	("esi",3);	# lo<<3
+	&mov	("ebx","edx");
+	&shl	("edi",3);	# hi<<3
+	&xor	("eax","esi");
+
+	&shr	("ecx",19-6);	# lo>>19
+	&xor	("ebx","edi");
+	&shr	("edx",19-6);	# hi>>19
+	&xor	("eax","ecx");
+	&shl	("esi",13-3);	# lo<<13
+	&xor	("ebx","edx");
+	&shl	("edi",13-3);	# hi<<13
+	&xor	("ebx","esi");
+
+	&shr	("ecx",29-19);	# lo>>29
+	&xor	("eax","edi");
+	&shr	("edx",29-19);	# hi>>29
+	&xor	("ebx","ecx");
+	&shl	("edi",26-13);	# hi<<26
+	&xor	("eax","edx");
+	&xor	("eax","edi");			# sigma1(X[-2])
+
+	&mov	("ecx",&DWP(8*(9+15+16)+0,"esp"));
+	&mov	("edx",&DWP(8*(9+15+16)+4,"esp"));
+	&add	("eax",&DWP(0,"esp"));
+	&adc	("ebx",&DWP(4,"esp"));		# T1 = sigma1(X[-2])+T1
+	&mov	("esi",&DWP(8*(9+15+16-9)+0,"esp"));
+	&mov	("edi",&DWP(8*(9+15+16-9)+4,"esp"));
+	&add	("eax","ecx");
+	&adc	("ebx","edx");			# T1 += X[-16]
+	&add	("eax","esi");
+	&adc	("ebx","edi");			# T1 += X[-7]
+	&mov	(&DWP(8*(9+15)+0,"esp"),"eax");
+	&mov	(&DWP(8*(9+15)+4,"esp"),"ebx");	# save X[0]
+
+	&BODY_00_15_x86();
+
+	&cmp	(&LB("edx"),0x17);
+	&jne	(&label("16_79_x86"));
+
+	&mov	("esi",&DWP(8*(9+16+80)+0,"esp"));# ctx
+	&mov	("edi",&DWP(8*(9+16+80)+4,"esp"));# inp
+    for($i=0;$i<4;$i++) {
+	&mov	("eax",&DWP($i*16+0,"esi"));
+	&mov	("ebx",&DWP($i*16+4,"esi"));
+	&mov	("ecx",&DWP($i*16+8,"esi"));
+	&mov	("edx",&DWP($i*16+12,"esi"));
+	&add	("eax",&DWP(8+($i*16)+0,"esp"));
+	&adc	("ebx",&DWP(8+($i*16)+4,"esp"));
+	&mov	(&DWP($i*16+0,"esi"),"eax");
+	&mov	(&DWP($i*16+4,"esi"),"ebx");
+	&add	("ecx",&DWP(8+($i*16)+8,"esp"));
+	&adc	("edx",&DWP(8+($i*16)+12,"esp"));
+	&mov	(&DWP($i*16+8,"esi"),"ecx");
+	&mov	(&DWP($i*16+12,"esi"),"edx");
+    }
+	&add	("esp",8*(9+16+80));		# destroy frame
+	&sub	($K512,8*80);			# rewind K
+
+	&cmp	("edi",&DWP(8,"esp"));		# are we done yet?
+	&jb	(&label("loop_x86"));
+
+	&mov	("esp",&DWP(12,"esp"));		# restore sp
+&function_end_A();
+
+&set_label("K512",64);	# Yes! I keep it in the code segment!
+	&data_word(0xd728ae22,0x428a2f98);	# u64
+	&data_word(0x23ef65cd,0x71374491);	# u64
+	&data_word(0xec4d3b2f,0xb5c0fbcf);	# u64
+	&data_word(0x8189dbbc,0xe9b5dba5);	# u64
+	&data_word(0xf348b538,0x3956c25b);	# u64
+	&data_word(0xb605d019,0x59f111f1);	# u64
+	&data_word(0xaf194f9b,0x923f82a4);	# u64
+	&data_word(0xda6d8118,0xab1c5ed5);	# u64
+	&data_word(0xa3030242,0xd807aa98);	# u64
+	&data_word(0x45706fbe,0x12835b01);	# u64
+	&data_word(0x4ee4b28c,0x243185be);	# u64
+	&data_word(0xd5ffb4e2,0x550c7dc3);	# u64
+	&data_word(0xf27b896f,0x72be5d74);	# u64
+	&data_word(0x3b1696b1,0x80deb1fe);	# u64
+	&data_word(0x25c71235,0x9bdc06a7);	# u64
+	&data_word(0xcf692694,0xc19bf174);	# u64
+	&data_word(0x9ef14ad2,0xe49b69c1);	# u64
+	&data_word(0x384f25e3,0xefbe4786);	# u64
+	&data_word(0x8b8cd5b5,0x0fc19dc6);	# u64
+	&data_word(0x77ac9c65,0x240ca1cc);	# u64
+	&data_word(0x592b0275,0x2de92c6f);	# u64
+	&data_word(0x6ea6e483,0x4a7484aa);	# u64
+	&data_word(0xbd41fbd4,0x5cb0a9dc);	# u64
+	&data_word(0x831153b5,0x76f988da);	# u64
+	&data_word(0xee66dfab,0x983e5152);	# u64
+	&data_word(0x2db43210,0xa831c66d);	# u64
+	&data_word(0x98fb213f,0xb00327c8);	# u64
+	&data_word(0xbeef0ee4,0xbf597fc7);	# u64
+	&data_word(0x3da88fc2,0xc6e00bf3);	# u64
+	&data_word(0x930aa725,0xd5a79147);	# u64
+	&data_word(0xe003826f,0x06ca6351);	# u64
+	&data_word(0x0a0e6e70,0x14292967);	# u64
+	&data_word(0x46d22ffc,0x27b70a85);	# u64
+	&data_word(0x5c26c926,0x2e1b2138);	# u64
+	&data_word(0x5ac42aed,0x4d2c6dfc);	# u64
+	&data_word(0x9d95b3df,0x53380d13);	# u64
+	&data_word(0x8baf63de,0x650a7354);	# u64
+	&data_word(0x3c77b2a8,0x766a0abb);	# u64
+	&data_word(0x47edaee6,0x81c2c92e);	# u64
+	&data_word(0x1482353b,0x92722c85);	# u64
+	&data_word(0x4cf10364,0xa2bfe8a1);	# u64
+	&data_word(0xbc423001,0xa81a664b);	# u64
+	&data_word(0xd0f89791,0xc24b8b70);	# u64
+	&data_word(0x0654be30,0xc76c51a3);	# u64
+	&data_word(0xd6ef5218,0xd192e819);	# u64
+	&data_word(0x5565a910,0xd6990624);	# u64
+	&data_word(0x5771202a,0xf40e3585);	# u64
+	&data_word(0x32bbd1b8,0x106aa070);	# u64
+	&data_word(0xb8d2d0c8,0x19a4c116);	# u64
+	&data_word(0x5141ab53,0x1e376c08);	# u64
+	&data_word(0xdf8eeb99,0x2748774c);	# u64
+	&data_word(0xe19b48a8,0x34b0bcb5);	# u64
+	&data_word(0xc5c95a63,0x391c0cb3);	# u64
+	&data_word(0xe3418acb,0x4ed8aa4a);	# u64
+	&data_word(0x7763e373,0x5b9cca4f);	# u64
+	&data_word(0xd6b2b8a3,0x682e6ff3);	# u64
+	&data_word(0x5defb2fc,0x748f82ee);	# u64
+	&data_word(0x43172f60,0x78a5636f);	# u64
+	&data_word(0xa1f0ab72,0x84c87814);	# u64
+	&data_word(0x1a6439ec,0x8cc70208);	# u64
+	&data_word(0x23631e28,0x90befffa);	# u64
+	&data_word(0xde82bde9,0xa4506ceb);	# u64
+	&data_word(0xb2c67915,0xbef9a3f7);	# u64
+	&data_word(0xe372532b,0xc67178f2);	# u64
+	&data_word(0xea26619c,0xca273ece);	# u64
+	&data_word(0x21c0c207,0xd186b8c7);	# u64
+	&data_word(0xcde0eb1e,0xeada7dd6);	# u64
+	&data_word(0xee6ed178,0xf57d4f7f);	# u64
+	&data_word(0x72176fba,0x06f067aa);	# u64
+	&data_word(0xa2c898a6,0x0a637dc5);	# u64
+	&data_word(0xbef90dae,0x113f9804);	# u64
+	&data_word(0x131c471b,0x1b710b35);	# u64
+	&data_word(0x23047d84,0x28db77f5);	# u64
+	&data_word(0x40c72493,0x32caab7b);	# u64
+	&data_word(0x15c9bebc,0x3c9ebe0a);	# u64
+	&data_word(0x9c100d4c,0x431d67c4);	# u64
+	&data_word(0xcb3e42b6,0x4cc5d4be);	# u64
+	&data_word(0xfc657e2a,0x597f299c);	# u64
+	&data_word(0x3ad6faec,0x5fcb6fab);	# u64
+	&data_word(0x4a475817,0x6c44198c);	# u64
+&function_end_B("sha512_block_data_order");
+&asciz("SHA512 block transform for x86, CRYPTOGAMS by <appro\@openssl.org>");
+
+&asm_finish();