OpenSSL 1.1.1-pre2
This commit is contained in:
Hakase
+134
-137
@@ -38,7 +38,7 @@
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#rsa 2048 bits 0.3036s 0.0085s 3.3 117.1
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#rsa 4096 bits 2.0040s 0.0299s 0.5 33.4
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#dsa 512 bits 0.0087s 0.0106s 114.3 94.5
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#dsa 1024 bits 0.0256s 0.0313s 39.0 32.0
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#dsa 1024 bits 0.0256s 0.0313s 39.0 32.0
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#
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# Same bechmark with this assembler code:
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#
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@@ -74,7 +74,7 @@
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#rsa 4096 bits 0.3700s 0.0058s 2.7 171.0
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#dsa 512 bits 0.0016s 0.0020s 610.7 507.1
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#dsa 1024 bits 0.0047s 0.0058s 212.5 173.2
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#
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#
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# Again, performance increases by at about 75%
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#
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# Mac OS X, Apple G5 1.8GHz (Note this is 32 bit code)
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@@ -101,10 +101,7 @@
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#dsa 2048 bits 0.0061s 0.0075s 163.5 132.8
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#
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# Performance increase of ~60%
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#
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# If you have comments or suggestions to improve code send
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# me a note at schari@us.ibm.com
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#
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# Based on submission from Suresh N. Chari of IBM
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$flavour = shift;
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@@ -125,7 +122,7 @@ if ($flavour =~ /32/) {
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$CNTLZ= "cntlzw"; # count leading zeros
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$SHL= "slw"; # shift left
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$SHR= "srw"; # unsigned shift right
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$SHRI= "srwi"; # unsigned shift right by immediate
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$SHRI= "srwi"; # unsigned shift right by immediate
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$SHLI= "slwi"; # shift left by immediate
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$CLRU= "clrlwi"; # clear upper bits
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$INSR= "insrwi"; # insert right
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@@ -149,10 +146,10 @@ if ($flavour =~ /32/) {
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$CNTLZ= "cntlzd"; # count leading zeros
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$SHL= "sld"; # shift left
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$SHR= "srd"; # unsigned shift right
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$SHRI= "srdi"; # unsigned shift right by immediate
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$SHRI= "srdi"; # unsigned shift right by immediate
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$SHLI= "sldi"; # shift left by immediate
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$CLRU= "clrldi"; # clear upper bits
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$INSR= "insrdi"; # insert right
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$INSR= "insrdi"; # insert right
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$ROTL= "rotldi"; # rotate left by immediate
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$TR= "td"; # conditional trap
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} else { die "nonsense $flavour"; }
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@@ -189,7 +186,7 @@ $data=<<EOF;
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# below.
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# 12/05/03 Suresh Chari
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# (with lots of help from) Andy Polyakov
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##
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##
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# 1. Initial version 10/20/02 Suresh Chari
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#
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#
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@@ -202,7 +199,7 @@ $data=<<EOF;
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# be done in the build process.
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#
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# Hand optimized assembly code for the following routines
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#
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#
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# bn_sqr_comba4
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# bn_sqr_comba8
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# bn_mul_comba4
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@@ -225,10 +222,10 @@ $data=<<EOF;
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#--------------------------------------------------------------------------
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#
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# Defines to be used in the assembly code.
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#
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#
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#.set r0,0 # we use it as storage for value of 0
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#.set SP,1 # preserved
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#.set RTOC,2 # preserved
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#.set RTOC,2 # preserved
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#.set r3,3 # 1st argument/return value
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#.set r4,4 # 2nd argument/volatile register
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#.set r5,5 # 3rd argument/volatile register
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@@ -246,7 +243,7 @@ $data=<<EOF;
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# the first . i.e. for example change ".bn_sqr_comba4"
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# to "bn_sqr_comba4". This should be automatically done
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# in the build.
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.globl .bn_sqr_comba4
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.globl .bn_sqr_comba8
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.globl .bn_mul_comba4
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@@ -257,9 +254,9 @@ $data=<<EOF;
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.globl .bn_sqr_words
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.globl .bn_mul_words
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.globl .bn_mul_add_words
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# .text section
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.machine "any"
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#
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@@ -278,8 +275,8 @@ $data=<<EOF;
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# r3 contains r
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# r4 contains a
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#
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# Freely use registers r5,r6,r7,r8,r9,r10,r11 as follows:
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#
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# Freely use registers r5,r6,r7,r8,r9,r10,r11 as follows:
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#
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# r5,r6 are the two BN_ULONGs being multiplied.
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# r7,r8 are the results of the 32x32 giving 64 bit multiply.
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# r9,r10, r11 are the equivalents of c1,c2, c3.
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@@ -288,10 +285,10 @@ $data=<<EOF;
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#
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xor r0,r0,r0 # set r0 = 0. Used in the addze
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# instructions below
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#sqr_add_c(a,0,c1,c2,c3)
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$LD r5,`0*$BNSZ`(r4)
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$UMULL r9,r5,r5
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$LD r5,`0*$BNSZ`(r4)
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$UMULL r9,r5,r5
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$UMULH r10,r5,r5 #in first iteration. No need
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#to add since c1=c2=c3=0.
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# Note c3(r11) is NOT set to 0
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@@ -299,20 +296,20 @@ $data=<<EOF;
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$ST r9,`0*$BNSZ`(r3) # r[0]=c1;
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# sqr_add_c2(a,1,0,c2,c3,c1);
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$LD r6,`1*$BNSZ`(r4)
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$LD r6,`1*$BNSZ`(r4)
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$UMULL r7,r5,r6
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$UMULH r8,r5,r6
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addc r7,r7,r7 # compute (r7,r8)=2*(r7,r8)
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adde r8,r8,r8
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addze r9,r0 # catch carry if any.
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# r9= r0(=0) and carry
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# r9= r0(=0) and carry
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addc r10,r7,r10 # now add to temp result.
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addze r11,r8 # r8 added to r11 which is 0
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addze r11,r8 # r8 added to r11 which is 0
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addze r9,r9
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$ST r10,`1*$BNSZ`(r3) #r[1]=c2;
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$ST r10,`1*$BNSZ`(r3) #r[1]=c2;
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#sqr_add_c(a,1,c3,c1,c2)
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$UMULL r7,r6,r6
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$UMULH r8,r6,r6
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@@ -323,23 +320,23 @@ $data=<<EOF;
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$LD r6,`2*$BNSZ`(r4)
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$UMULL r7,r5,r6
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$UMULH r8,r5,r6
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addc r7,r7,r7
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adde r8,r8,r8
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addze r10,r10
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addc r11,r7,r11
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adde r9,r8,r9
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addze r10,r10
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$ST r11,`2*$BNSZ`(r3) #r[2]=c3
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$ST r11,`2*$BNSZ`(r3) #r[2]=c3
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#sqr_add_c2(a,3,0,c1,c2,c3);
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$LD r6,`3*$BNSZ`(r4)
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$LD r6,`3*$BNSZ`(r4)
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$UMULL r7,r5,r6
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$UMULH r8,r5,r6
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addc r7,r7,r7
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adde r8,r8,r8
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addze r11,r0
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addc r9,r7,r9
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adde r10,r8,r10
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addze r11,r11
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@@ -348,7 +345,7 @@ $data=<<EOF;
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$LD r6,`2*$BNSZ`(r4)
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$UMULL r7,r5,r6
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$UMULH r8,r5,r6
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addc r7,r7,r7
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adde r8,r8,r8
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addze r11,r11
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@@ -363,31 +360,31 @@ $data=<<EOF;
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adde r11,r8,r11
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addze r9,r0
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#sqr_add_c2(a,3,1,c2,c3,c1);
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$LD r6,`3*$BNSZ`(r4)
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$LD r6,`3*$BNSZ`(r4)
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$UMULL r7,r5,r6
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$UMULH r8,r5,r6
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addc r7,r7,r7
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adde r8,r8,r8
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addze r9,r9
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addc r10,r7,r10
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adde r11,r8,r11
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addze r9,r9
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$ST r10,`4*$BNSZ`(r3) #r[4]=c2
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#sqr_add_c2(a,3,2,c3,c1,c2);
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$LD r5,`2*$BNSZ`(r4)
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$LD r5,`2*$BNSZ`(r4)
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$UMULL r7,r5,r6
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$UMULH r8,r5,r6
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addc r7,r7,r7
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adde r8,r8,r8
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addze r10,r0
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addc r11,r7,r11
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adde r9,r8,r9
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addze r10,r10
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$ST r11,`5*$BNSZ`(r3) #r[5] = c3
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#sqr_add_c(a,3,c1,c2,c3);
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$UMULL r7,r6,r6
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$UMULL r7,r6,r6
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$UMULH r8,r6,r6
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addc r9,r7,r9
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adde r10,r8,r10
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@@ -406,7 +403,7 @@ $data=<<EOF;
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# for the gcc compiler. This should be automatically
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# done in the build
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#
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.align 4
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.bn_sqr_comba8:
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#
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@@ -418,15 +415,15 @@ $data=<<EOF;
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# r3 contains r
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# r4 contains a
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#
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# Freely use registers r5,r6,r7,r8,r9,r10,r11 as follows:
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#
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# Freely use registers r5,r6,r7,r8,r9,r10,r11 as follows:
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#
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# r5,r6 are the two BN_ULONGs being multiplied.
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# r7,r8 are the results of the 32x32 giving 64 bit multiply.
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# r9,r10, r11 are the equivalents of c1,c2, c3.
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#
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# Possible optimization of loading all 8 longs of a into registers
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# doesn't provide any speedup
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#
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#
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xor r0,r0,r0 #set r0 = 0.Used in addze
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#instructions below.
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@@ -439,18 +436,18 @@ $data=<<EOF;
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#sqr_add_c2(a,1,0,c2,c3,c1);
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$LD r6,`1*$BNSZ`(r4)
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$UMULL r7,r5,r6
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$UMULH r8,r5,r6
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$UMULH r8,r5,r6
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addc r10,r7,r10 #add the two register number
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adde r11,r8,r0 # (r8,r7) to the three register
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addze r9,r0 # number (r9,r11,r10).NOTE:r0=0
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addc r10,r7,r10 #add the two register number
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adde r11,r8,r11 # (r8,r7) to the three register
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addze r9,r9 # number (r9,r11,r10).
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$ST r10,`1*$BNSZ`(r3) # r[1]=c2
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#sqr_add_c(a,1,c3,c1,c2);
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$UMULL r7,r6,r6
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$UMULH r8,r6,r6
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@@ -461,25 +458,25 @@ $data=<<EOF;
|
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$LD r6,`2*$BNSZ`(r4)
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$UMULL r7,r5,r6
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$UMULH r8,r5,r6
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addc r11,r7,r11
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adde r9,r8,r9
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addze r10,r10
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addc r11,r7,r11
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adde r9,r8,r9
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addze r10,r10
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$ST r11,`2*$BNSZ`(r3) #r[2]=c3
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#sqr_add_c2(a,3,0,c1,c2,c3);
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$LD r6,`3*$BNSZ`(r4) #r6 = a[3]. r5 is already a[0].
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$UMULL r7,r5,r6
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$UMULH r8,r5,r6
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|
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addc r9,r7,r9
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adde r10,r8,r10
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addze r11,r0
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addc r9,r7,r9
|
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adde r10,r8,r10
|
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addze r11,r11
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@@ -488,20 +485,20 @@ $data=<<EOF;
|
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$LD r6,`2*$BNSZ`(r4)
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$UMULL r7,r5,r6
|
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$UMULH r8,r5,r6
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|
||||
|
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addc r9,r7,r9
|
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adde r10,r8,r10
|
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addze r11,r11
|
||||
|
||||
|
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addc r9,r7,r9
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adde r10,r8,r10
|
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addze r11,r11
|
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|
||||
|
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$ST r9,`3*$BNSZ`(r3) #r[3]=c1;
|
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#sqr_add_c(a,2,c2,c3,c1);
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$UMULL r7,r6,r6
|
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$UMULH r8,r6,r6
|
||||
|
||||
|
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addc r10,r7,r10
|
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adde r11,r8,r11
|
||||
addze r9,r0
|
||||
@@ -509,11 +506,11 @@ $data=<<EOF;
|
||||
$LD r6,`3*$BNSZ`(r4)
|
||||
$UMULL r7,r5,r6
|
||||
$UMULH r8,r5,r6
|
||||
|
||||
|
||||
addc r10,r7,r10
|
||||
adde r11,r8,r11
|
||||
addze r9,r9
|
||||
|
||||
|
||||
addc r10,r7,r10
|
||||
adde r11,r8,r11
|
||||
addze r9,r9
|
||||
@@ -522,11 +519,11 @@ $data=<<EOF;
|
||||
$LD r6,`4*$BNSZ`(r4)
|
||||
$UMULL r7,r5,r6
|
||||
$UMULH r8,r5,r6
|
||||
|
||||
|
||||
addc r10,r7,r10
|
||||
adde r11,r8,r11
|
||||
addze r9,r9
|
||||
|
||||
|
||||
addc r10,r7,r10
|
||||
adde r11,r8,r11
|
||||
addze r9,r9
|
||||
@@ -535,11 +532,11 @@ $data=<<EOF;
|
||||
$LD r6,`5*$BNSZ`(r4)
|
||||
$UMULL r7,r5,r6
|
||||
$UMULH r8,r5,r6
|
||||
|
||||
|
||||
addc r11,r7,r11
|
||||
adde r9,r8,r9
|
||||
addze r10,r0
|
||||
|
||||
|
||||
addc r11,r7,r11
|
||||
adde r9,r8,r9
|
||||
addze r10,r10
|
||||
@@ -548,11 +545,11 @@ $data=<<EOF;
|
||||
$LD r6,`4*$BNSZ`(r4)
|
||||
$UMULL r7,r5,r6
|
||||
$UMULH r8,r5,r6
|
||||
|
||||
|
||||
addc r11,r7,r11
|
||||
adde r9,r8,r9
|
||||
addze r10,r10
|
||||
|
||||
|
||||
addc r11,r7,r11
|
||||
adde r9,r8,r9
|
||||
addze r10,r10
|
||||
@@ -561,11 +558,11 @@ $data=<<EOF;
|
||||
$LD r6,`3*$BNSZ`(r4)
|
||||
$UMULL r7,r5,r6
|
||||
$UMULH r8,r5,r6
|
||||
|
||||
|
||||
addc r11,r7,r11
|
||||
adde r9,r8,r9
|
||||
addze r10,r10
|
||||
|
||||
|
||||
addc r11,r7,r11
|
||||
adde r9,r8,r9
|
||||
addze r10,r10
|
||||
@@ -580,11 +577,11 @@ $data=<<EOF;
|
||||
$LD r6,`4*$BNSZ`(r4)
|
||||
$UMULL r7,r5,r6
|
||||
$UMULH r8,r5,r6
|
||||
|
||||
|
||||
addc r9,r7,r9
|
||||
adde r10,r8,r10
|
||||
addze r11,r11
|
||||
|
||||
|
||||
addc r9,r7,r9
|
||||
adde r10,r8,r10
|
||||
addze r11,r11
|
||||
@@ -593,11 +590,11 @@ $data=<<EOF;
|
||||
$LD r6,`5*$BNSZ`(r4)
|
||||
$UMULL r7,r5,r6
|
||||
$UMULH r8,r5,r6
|
||||
|
||||
|
||||
addc r9,r7,r9
|
||||
adde r10,r8,r10
|
||||
addze r11,r11
|
||||
|
||||
|
||||
addc r9,r7,r9
|
||||
adde r10,r8,r10
|
||||
addze r11,r11
|
||||
@@ -617,7 +614,7 @@ $data=<<EOF;
|
||||
$LD r6,`7*$BNSZ`(r4)
|
||||
$UMULL r7,r5,r6
|
||||
$UMULH r8,r5,r6
|
||||
|
||||
|
||||
addc r10,r7,r10
|
||||
adde r11,r8,r11
|
||||
addze r9,r0
|
||||
@@ -629,7 +626,7 @@ $data=<<EOF;
|
||||
$LD r6,`6*$BNSZ`(r4)
|
||||
$UMULL r7,r5,r6
|
||||
$UMULH r8,r5,r6
|
||||
|
||||
|
||||
addc r10,r7,r10
|
||||
adde r11,r8,r11
|
||||
addze r9,r9
|
||||
@@ -652,7 +649,7 @@ $data=<<EOF;
|
||||
$LD r6,`4*$BNSZ`(r4)
|
||||
$UMULL r7,r5,r6
|
||||
$UMULH r8,r5,r6
|
||||
|
||||
|
||||
addc r10,r7,r10
|
||||
adde r11,r8,r11
|
||||
addze r9,r9
|
||||
@@ -684,7 +681,7 @@ $data=<<EOF;
|
||||
addc r11,r7,r11
|
||||
adde r9,r8,r9
|
||||
addze r10,r10
|
||||
|
||||
|
||||
addc r11,r7,r11
|
||||
adde r9,r8,r9
|
||||
addze r10,r10
|
||||
@@ -704,7 +701,7 @@ $data=<<EOF;
|
||||
$LD r5,`2*$BNSZ`(r4)
|
||||
$UMULL r7,r5,r6
|
||||
$UMULH r8,r5,r6
|
||||
|
||||
|
||||
addc r9,r7,r9
|
||||
adde r10,r8,r10
|
||||
addze r11,r0
|
||||
@@ -801,7 +798,7 @@ $data=<<EOF;
|
||||
adde r10,r8,r10
|
||||
addze r11,r11
|
||||
$ST r9,`12*$BNSZ`(r3) #r[12]=c1;
|
||||
|
||||
|
||||
#sqr_add_c2(a,7,6,c2,c3,c1)
|
||||
$LD r5,`6*$BNSZ`(r4)
|
||||
$UMULL r7,r5,r6
|
||||
@@ -850,21 +847,21 @@ $data=<<EOF;
|
||||
#
|
||||
xor r0,r0,r0 #r0=0. Used in addze below.
|
||||
#mul_add_c(a[0],b[0],c1,c2,c3);
|
||||
$LD r6,`0*$BNSZ`(r4)
|
||||
$LD r7,`0*$BNSZ`(r5)
|
||||
$UMULL r10,r6,r7
|
||||
$UMULH r11,r6,r7
|
||||
$LD r6,`0*$BNSZ`(r4)
|
||||
$LD r7,`0*$BNSZ`(r5)
|
||||
$UMULL r10,r6,r7
|
||||
$UMULH r11,r6,r7
|
||||
$ST r10,`0*$BNSZ`(r3) #r[0]=c1
|
||||
#mul_add_c(a[0],b[1],c2,c3,c1);
|
||||
$LD r7,`1*$BNSZ`(r5)
|
||||
$LD r7,`1*$BNSZ`(r5)
|
||||
$UMULL r8,r6,r7
|
||||
$UMULH r9,r6,r7
|
||||
addc r11,r8,r11
|
||||
adde r12,r9,r0
|
||||
addze r10,r0
|
||||
#mul_add_c(a[1],b[0],c2,c3,c1);
|
||||
$LD r6, `1*$BNSZ`(r4)
|
||||
$LD r7, `0*$BNSZ`(r5)
|
||||
$LD r6, `1*$BNSZ`(r4)
|
||||
$LD r7, `0*$BNSZ`(r5)
|
||||
$UMULL r8,r6,r7
|
||||
$UMULH r9,r6,r7
|
||||
addc r11,r8,r11
|
||||
@@ -872,23 +869,23 @@ $data=<<EOF;
|
||||
addze r10,r10
|
||||
$ST r11,`1*$BNSZ`(r3) #r[1]=c2
|
||||
#mul_add_c(a[2],b[0],c3,c1,c2);
|
||||
$LD r6,`2*$BNSZ`(r4)
|
||||
$LD r6,`2*$BNSZ`(r4)
|
||||
$UMULL r8,r6,r7
|
||||
$UMULH r9,r6,r7
|
||||
addc r12,r8,r12
|
||||
adde r10,r9,r10
|
||||
addze r11,r0
|
||||
#mul_add_c(a[1],b[1],c3,c1,c2);
|
||||
$LD r6,`1*$BNSZ`(r4)
|
||||
$LD r7,`1*$BNSZ`(r5)
|
||||
$LD r6,`1*$BNSZ`(r4)
|
||||
$LD r7,`1*$BNSZ`(r5)
|
||||
$UMULL r8,r6,r7
|
||||
$UMULH r9,r6,r7
|
||||
addc r12,r8,r12
|
||||
adde r10,r9,r10
|
||||
addze r11,r11
|
||||
#mul_add_c(a[0],b[2],c3,c1,c2);
|
||||
$LD r6,`0*$BNSZ`(r4)
|
||||
$LD r7,`2*$BNSZ`(r5)
|
||||
$LD r6,`0*$BNSZ`(r4)
|
||||
$LD r7,`2*$BNSZ`(r5)
|
||||
$UMULL r8,r6,r7
|
||||
$UMULH r9,r6,r7
|
||||
addc r12,r8,r12
|
||||
@@ -896,7 +893,7 @@ $data=<<EOF;
|
||||
addze r11,r11
|
||||
$ST r12,`2*$BNSZ`(r3) #r[2]=c3
|
||||
#mul_add_c(a[0],b[3],c1,c2,c3);
|
||||
$LD r7,`3*$BNSZ`(r5)
|
||||
$LD r7,`3*$BNSZ`(r5)
|
||||
$UMULL r8,r6,r7
|
||||
$UMULH r9,r6,r7
|
||||
addc r10,r8,r10
|
||||
@@ -928,7 +925,7 @@ $data=<<EOF;
|
||||
addze r12,r12
|
||||
$ST r10,`3*$BNSZ`(r3) #r[3]=c1
|
||||
#mul_add_c(a[3],b[1],c2,c3,c1);
|
||||
$LD r7,`1*$BNSZ`(r5)
|
||||
$LD r7,`1*$BNSZ`(r5)
|
||||
$UMULL r8,r6,r7
|
||||
$UMULH r9,r6,r7
|
||||
addc r11,r8,r11
|
||||
@@ -952,7 +949,7 @@ $data=<<EOF;
|
||||
addze r10,r10
|
||||
$ST r11,`4*$BNSZ`(r3) #r[4]=c2
|
||||
#mul_add_c(a[2],b[3],c3,c1,c2);
|
||||
$LD r6,`2*$BNSZ`(r4)
|
||||
$LD r6,`2*$BNSZ`(r4)
|
||||
$UMULL r8,r6,r7
|
||||
$UMULH r9,r6,r7
|
||||
addc r12,r8,r12
|
||||
@@ -968,7 +965,7 @@ $data=<<EOF;
|
||||
addze r11,r11
|
||||
$ST r12,`5*$BNSZ`(r3) #r[5]=c3
|
||||
#mul_add_c(a[3],b[3],c1,c2,c3);
|
||||
$LD r7,`3*$BNSZ`(r5)
|
||||
$LD r7,`3*$BNSZ`(r5)
|
||||
$UMULL r8,r6,r7
|
||||
$UMULH r9,r6,r7
|
||||
addc r10,r8,r10
|
||||
@@ -988,7 +985,7 @@ $data=<<EOF;
|
||||
# for the gcc compiler. This should be automatically
|
||||
# done in the build
|
||||
#
|
||||
|
||||
|
||||
.align 4
|
||||
.bn_mul_comba8:
|
||||
#
|
||||
@@ -1003,7 +1000,7 @@ $data=<<EOF;
|
||||
# r10, r11, r12 are the equivalents of c1, c2, and c3.
|
||||
#
|
||||
xor r0,r0,r0 #r0=0. Used in addze below.
|
||||
|
||||
|
||||
#mul_add_c(a[0],b[0],c1,c2,c3);
|
||||
$LD r6,`0*$BNSZ`(r4) #a[0]
|
||||
$LD r7,`0*$BNSZ`(r5) #b[0]
|
||||
@@ -1065,7 +1062,7 @@ $data=<<EOF;
|
||||
addc r10,r10,r8
|
||||
adde r11,r11,r9
|
||||
addze r12,r12
|
||||
|
||||
|
||||
#mul_add_c(a[2],b[1],c1,c2,c3);
|
||||
$LD r6,`2*$BNSZ`(r4)
|
||||
$LD r7,`1*$BNSZ`(r5)
|
||||
@@ -1131,7 +1128,7 @@ $data=<<EOF;
|
||||
adde r10,r10,r9
|
||||
addze r11,r0
|
||||
#mul_add_c(a[1],b[4],c3,c1,c2);
|
||||
$LD r6,`1*$BNSZ`(r4)
|
||||
$LD r6,`1*$BNSZ`(r4)
|
||||
$LD r7,`4*$BNSZ`(r5)
|
||||
$UMULL r8,r6,r7
|
||||
$UMULH r9,r6,r7
|
||||
@@ -1139,7 +1136,7 @@ $data=<<EOF;
|
||||
adde r10,r10,r9
|
||||
addze r11,r11
|
||||
#mul_add_c(a[2],b[3],c3,c1,c2);
|
||||
$LD r6,`2*$BNSZ`(r4)
|
||||
$LD r6,`2*$BNSZ`(r4)
|
||||
$LD r7,`3*$BNSZ`(r5)
|
||||
$UMULL r8,r6,r7
|
||||
$UMULH r9,r6,r7
|
||||
@@ -1147,7 +1144,7 @@ $data=<<EOF;
|
||||
adde r10,r10,r9
|
||||
addze r11,r11
|
||||
#mul_add_c(a[3],b[2],c3,c1,c2);
|
||||
$LD r6,`3*$BNSZ`(r4)
|
||||
$LD r6,`3*$BNSZ`(r4)
|
||||
$LD r7,`2*$BNSZ`(r5)
|
||||
$UMULL r8,r6,r7
|
||||
$UMULH r9,r6,r7
|
||||
@@ -1155,7 +1152,7 @@ $data=<<EOF;
|
||||
adde r10,r10,r9
|
||||
addze r11,r11
|
||||
#mul_add_c(a[4],b[1],c3,c1,c2);
|
||||
$LD r6,`4*$BNSZ`(r4)
|
||||
$LD r6,`4*$BNSZ`(r4)
|
||||
$LD r7,`1*$BNSZ`(r5)
|
||||
$UMULL r8,r6,r7
|
||||
$UMULH r9,r6,r7
|
||||
@@ -1163,7 +1160,7 @@ $data=<<EOF;
|
||||
adde r10,r10,r9
|
||||
addze r11,r11
|
||||
#mul_add_c(a[5],b[0],c3,c1,c2);
|
||||
$LD r6,`5*$BNSZ`(r4)
|
||||
$LD r6,`5*$BNSZ`(r4)
|
||||
$LD r7,`0*$BNSZ`(r5)
|
||||
$UMULL r8,r6,r7
|
||||
$UMULH r9,r6,r7
|
||||
@@ -1555,7 +1552,7 @@ $data=<<EOF;
|
||||
addi r3,r3,-$BNSZ
|
||||
addi r5,r5,-$BNSZ
|
||||
mtctr r6
|
||||
Lppcasm_sub_mainloop:
|
||||
Lppcasm_sub_mainloop:
|
||||
$LDU r7,$BNSZ(r4)
|
||||
$LDU r8,$BNSZ(r5)
|
||||
subfe r6,r8,r7 # r6 = r7+carry bit + onescomplement(r8)
|
||||
@@ -1563,7 +1560,7 @@ Lppcasm_sub_mainloop:
|
||||
# is r7-r8 -1 as we need.
|
||||
$STU r6,$BNSZ(r3)
|
||||
bdnz Lppcasm_sub_mainloop
|
||||
Lppcasm_sub_adios:
|
||||
Lppcasm_sub_adios:
|
||||
subfze r3,r0 # if carry bit is set then r3 = 0 else -1
|
||||
andi. r3,r3,1 # keep only last bit.
|
||||
blr
|
||||
@@ -1604,13 +1601,13 @@ Lppcasm_sub_adios:
|
||||
addi r3,r3,-$BNSZ
|
||||
addi r5,r5,-$BNSZ
|
||||
mtctr r6
|
||||
Lppcasm_add_mainloop:
|
||||
Lppcasm_add_mainloop:
|
||||
$LDU r7,$BNSZ(r4)
|
||||
$LDU r8,$BNSZ(r5)
|
||||
adde r8,r7,r8
|
||||
$STU r8,$BNSZ(r3)
|
||||
bdnz Lppcasm_add_mainloop
|
||||
Lppcasm_add_adios:
|
||||
Lppcasm_add_adios:
|
||||
addze r3,r0 #return carry bit.
|
||||
blr
|
||||
.long 0
|
||||
@@ -1633,11 +1630,11 @@ Lppcasm_add_adios:
|
||||
# the PPC instruction to count leading zeros instead
|
||||
# of call to num_bits_word. Since this was compiled
|
||||
# only at level -O2 we can possibly squeeze it more?
|
||||
#
|
||||
#
|
||||
# r3 = h
|
||||
# r4 = l
|
||||
# r5 = d
|
||||
|
||||
|
||||
$UCMPI 0,r5,0 # compare r5 and 0
|
||||
bne Lppcasm_div1 # proceed if d!=0
|
||||
li r3,-1 # d=0 return -1
|
||||
@@ -1653,7 +1650,7 @@ Lppcasm_div1:
|
||||
Lppcasm_div2:
|
||||
$UCMP 0,r3,r5 #h>=d?
|
||||
blt Lppcasm_div3 #goto Lppcasm_div3 if not
|
||||
subf r3,r5,r3 #h-=d ;
|
||||
subf r3,r5,r3 #h-=d ;
|
||||
Lppcasm_div3: #r7 = BN_BITS2-i. so r7=i
|
||||
cmpi 0,0,r7,0 # is (i == 0)?
|
||||
beq Lppcasm_div4
|
||||
@@ -1668,7 +1665,7 @@ Lppcasm_div4:
|
||||
# as it saves registers.
|
||||
li r6,2 #r6=2
|
||||
mtctr r6 #counter will be in count.
|
||||
Lppcasm_divouterloop:
|
||||
Lppcasm_divouterloop:
|
||||
$SHRI r8,r3,`$BITS/2` #r8 = (h>>BN_BITS4)
|
||||
$SHRI r11,r4,`$BITS/2` #r11= (l&BN_MASK2h)>>BN_BITS4
|
||||
# compute here for innerloop.
|
||||
@@ -1676,7 +1673,7 @@ Lppcasm_divouterloop:
|
||||
bne Lppcasm_div5 # goto Lppcasm_div5 if not
|
||||
|
||||
li r8,-1
|
||||
$CLRU r8,r8,`$BITS/2` #q = BN_MASK2l
|
||||
$CLRU r8,r8,`$BITS/2` #q = BN_MASK2l
|
||||
b Lppcasm_div6
|
||||
Lppcasm_div5:
|
||||
$UDIV r8,r3,r9 #q = h/dh
|
||||
@@ -1684,7 +1681,7 @@ Lppcasm_div6:
|
||||
$UMULL r12,r9,r8 #th = q*dh
|
||||
$CLRU r10,r5,`$BITS/2` #r10=dl
|
||||
$UMULL r6,r8,r10 #tl = q*dl
|
||||
|
||||
|
||||
Lppcasm_divinnerloop:
|
||||
subf r10,r12,r3 #t = h -th
|
||||
$SHRI r7,r10,`$BITS/2` #r7= (t &BN_MASK2H), sort of...
|
||||
@@ -1761,7 +1758,7 @@ Lppcasm_div9:
|
||||
addi r4,r4,-$BNSZ
|
||||
addi r3,r3,-$BNSZ
|
||||
mtctr r5
|
||||
Lppcasm_sqr_mainloop:
|
||||
Lppcasm_sqr_mainloop:
|
||||
#sqr(r[0],r[1],a[0]);
|
||||
$LDU r6,$BNSZ(r4)
|
||||
$UMULL r7,r6,r6
|
||||
@@ -1769,7 +1766,7 @@ Lppcasm_sqr_mainloop:
|
||||
$STU r7,$BNSZ(r3)
|
||||
$STU r8,$BNSZ(r3)
|
||||
bdnz Lppcasm_sqr_mainloop
|
||||
Lppcasm_sqr_adios:
|
||||
Lppcasm_sqr_adios:
|
||||
blr
|
||||
.long 0
|
||||
.byte 0,12,0x14,0,0,0,3,0
|
||||
@@ -1783,7 +1780,7 @@ Lppcasm_sqr_adios:
|
||||
# done in the build
|
||||
#
|
||||
|
||||
.align 4
|
||||
.align 4
|
||||
.bn_mul_words:
|
||||
#
|
||||
# BN_ULONG bn_mul_words(BN_ULONG *rp, BN_ULONG *ap, int num, BN_ULONG w)
|
||||
@@ -1797,7 +1794,7 @@ Lppcasm_sqr_adios:
|
||||
rlwinm. r7,r5,30,2,31 # num >> 2
|
||||
beq Lppcasm_mw_REM
|
||||
mtctr r7
|
||||
Lppcasm_mw_LOOP:
|
||||
Lppcasm_mw_LOOP:
|
||||
#mul(rp[0],ap[0],w,c1);
|
||||
$LD r8,`0*$BNSZ`(r4)
|
||||
$UMULL r9,r6,r8
|
||||
@@ -1809,7 +1806,7 @@ Lppcasm_mw_LOOP:
|
||||
#using adde.
|
||||
$ST r9,`0*$BNSZ`(r3)
|
||||
#mul(rp[1],ap[1],w,c1);
|
||||
$LD r8,`1*$BNSZ`(r4)
|
||||
$LD r8,`1*$BNSZ`(r4)
|
||||
$UMULL r11,r6,r8
|
||||
$UMULH r12,r6,r8
|
||||
adde r11,r11,r10
|
||||
@@ -1830,7 +1827,7 @@ Lppcasm_mw_LOOP:
|
||||
addze r12,r12 #this spin we collect carry into
|
||||
#r12
|
||||
$ST r11,`3*$BNSZ`(r3)
|
||||
|
||||
|
||||
addi r3,r3,`4*$BNSZ`
|
||||
addi r4,r4,`4*$BNSZ`
|
||||
bdnz Lppcasm_mw_LOOP
|
||||
@@ -1846,25 +1843,25 @@ Lppcasm_mw_REM:
|
||||
addze r10,r10
|
||||
$ST r9,`0*$BNSZ`(r3)
|
||||
addi r12,r10,0
|
||||
|
||||
|
||||
addi r5,r5,-1
|
||||
cmpli 0,0,r5,0
|
||||
beq Lppcasm_mw_OVER
|
||||
|
||||
|
||||
|
||||
#mul(rp[1],ap[1],w,c1);
|
||||
$LD r8,`1*$BNSZ`(r4)
|
||||
$LD r8,`1*$BNSZ`(r4)
|
||||
$UMULL r9,r6,r8
|
||||
$UMULH r10,r6,r8
|
||||
addc r9,r9,r12
|
||||
addze r10,r10
|
||||
$ST r9,`1*$BNSZ`(r3)
|
||||
addi r12,r10,0
|
||||
|
||||
|
||||
addi r5,r5,-1
|
||||
cmpli 0,0,r5,0
|
||||
beq Lppcasm_mw_OVER
|
||||
|
||||
|
||||
#mul_add(rp[2],ap[2],w,c1);
|
||||
$LD r8,`2*$BNSZ`(r4)
|
||||
$UMULL r9,r6,r8
|
||||
@@ -1873,14 +1870,14 @@ Lppcasm_mw_REM:
|
||||
addze r10,r10
|
||||
$ST r9,`2*$BNSZ`(r3)
|
||||
addi r12,r10,0
|
||||
|
||||
Lppcasm_mw_OVER:
|
||||
|
||||
Lppcasm_mw_OVER:
|
||||
addi r3,r12,0
|
||||
blr
|
||||
.long 0
|
||||
.byte 0,12,0x14,0,0,0,4,0
|
||||
.long 0
|
||||
.size bn_mul_words,.-bn_mul_words
|
||||
.size .bn_mul_words,.-.bn_mul_words
|
||||
|
||||
#
|
||||
# NOTE: The following label name should be changed to
|
||||
@@ -1902,11 +1899,11 @@ Lppcasm_mw_OVER:
|
||||
# empirical evidence suggests that unrolled version performs best!!
|
||||
#
|
||||
xor r0,r0,r0 #r0 = 0
|
||||
xor r12,r12,r12 #r12 = 0 . used for carry
|
||||
xor r12,r12,r12 #r12 = 0 . used for carry
|
||||
rlwinm. r7,r5,30,2,31 # num >> 2
|
||||
beq Lppcasm_maw_leftover # if (num < 4) go LPPCASM_maw_leftover
|
||||
mtctr r7
|
||||
Lppcasm_maw_mainloop:
|
||||
Lppcasm_maw_mainloop:
|
||||
#mul_add(rp[0],ap[0],w,c1);
|
||||
$LD r8,`0*$BNSZ`(r4)
|
||||
$LD r11,`0*$BNSZ`(r3)
|
||||
@@ -1922,9 +1919,9 @@ Lppcasm_maw_mainloop:
|
||||
#by multiply and will be collected
|
||||
#in the next spin
|
||||
$ST r9,`0*$BNSZ`(r3)
|
||||
|
||||
|
||||
#mul_add(rp[1],ap[1],w,c1);
|
||||
$LD r8,`1*$BNSZ`(r4)
|
||||
$LD r8,`1*$BNSZ`(r4)
|
||||
$LD r9,`1*$BNSZ`(r3)
|
||||
$UMULL r11,r6,r8
|
||||
$UMULH r12,r6,r8
|
||||
@@ -1933,7 +1930,7 @@ Lppcasm_maw_mainloop:
|
||||
addc r11,r11,r9
|
||||
#addze r12,r12
|
||||
$ST r11,`1*$BNSZ`(r3)
|
||||
|
||||
|
||||
#mul_add(rp[2],ap[2],w,c1);
|
||||
$LD r8,`2*$BNSZ`(r4)
|
||||
$UMULL r9,r6,r8
|
||||
@@ -1944,7 +1941,7 @@ Lppcasm_maw_mainloop:
|
||||
addc r9,r9,r11
|
||||
#addze r10,r10
|
||||
$ST r9,`2*$BNSZ`(r3)
|
||||
|
||||
|
||||
#mul_add(rp[3],ap[3],w,c1);
|
||||
$LD r8,`3*$BNSZ`(r4)
|
||||
$UMULL r11,r6,r8
|
||||
@@ -1958,7 +1955,7 @@ Lppcasm_maw_mainloop:
|
||||
addi r3,r3,`4*$BNSZ`
|
||||
addi r4,r4,`4*$BNSZ`
|
||||
bdnz Lppcasm_maw_mainloop
|
||||
|
||||
|
||||
Lppcasm_maw_leftover:
|
||||
andi. r5,r5,0x3
|
||||
beq Lppcasm_maw_adios
|
||||
@@ -1975,10 +1972,10 @@ Lppcasm_maw_leftover:
|
||||
addc r9,r9,r12
|
||||
addze r12,r10
|
||||
$ST r9,0(r3)
|
||||
|
||||
|
||||
bdz Lppcasm_maw_adios
|
||||
#mul_add(rp[1],ap[1],w,c1);
|
||||
$LDU r8,$BNSZ(r4)
|
||||
$LDU r8,$BNSZ(r4)
|
||||
$UMULL r9,r6,r8
|
||||
$UMULH r10,r6,r8
|
||||
$LDU r11,$BNSZ(r3)
|
||||
@@ -1987,7 +1984,7 @@ Lppcasm_maw_leftover:
|
||||
addc r9,r9,r12
|
||||
addze r12,r10
|
||||
$ST r9,0(r3)
|
||||
|
||||
|
||||
bdz Lppcasm_maw_adios
|
||||
#mul_add(rp[2],ap[2],w,c1);
|
||||
$LDU r8,$BNSZ(r4)
|
||||
@@ -1999,8 +1996,8 @@ Lppcasm_maw_leftover:
|
||||
addc r9,r9,r12
|
||||
addze r12,r10
|
||||
$ST r9,0(r3)
|
||||
|
||||
Lppcasm_maw_adios:
|
||||
|
||||
Lppcasm_maw_adios:
|
||||
addi r3,r12,0
|
||||
blr
|
||||
.long 0
|
||||
|
||||
Reference in New Issue
Block a user