678 lines
12 KiB
ArmAsm
Executable file
678 lines
12 KiB
ArmAsm
Executable file
.ident "s390x.S, version 1.1"
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// ====================================================================
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// Written by Andy Polyakov <appro@fy.chalmers.se> for the OpenSSL
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// project.
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//
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// Rights for redistribution and usage in source and binary forms are
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// granted according to the OpenSSL license. Warranty of any kind is
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// disclaimed.
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// ====================================================================
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.text
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#define zero %r0
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// BN_ULONG bn_mul_add_words(BN_ULONG *r2,BN_ULONG *r3,int r4,BN_ULONG r5);
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.globl bn_mul_add_words
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.type bn_mul_add_words,@function
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.align 4
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bn_mul_add_words:
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lghi zero,0 // zero = 0
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la %r1,0(%r2) // put rp aside
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lghi %r2,0 // i=0;
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ltgfr %r4,%r4
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bler %r14 // if (len<=0) return 0;
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stmg %r6,%r10,48(%r15)
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lghi %r10,3
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lghi %r8,0 // carry = 0
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nr %r10,%r4 // len%4
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sra %r4,2 // cnt=len/4
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jz .Loop1_madd // carry is incidentally cleared if branch taken
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algr zero,zero // clear carry
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.Loop4_madd:
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lg %r7,0(%r2,%r3) // ap[i]
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mlgr %r6,%r5 // *=w
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alcgr %r7,%r8 // +=carry
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alcgr %r6,zero
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alg %r7,0(%r2,%r1) // +=rp[i]
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stg %r7,0(%r2,%r1) // rp[i]=
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lg %r9,8(%r2,%r3)
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mlgr %r8,%r5
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alcgr %r9,%r6
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alcgr %r8,zero
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alg %r9,8(%r2,%r1)
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stg %r9,8(%r2,%r1)
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lg %r7,16(%r2,%r3)
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mlgr %r6,%r5
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alcgr %r7,%r8
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alcgr %r6,zero
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alg %r7,16(%r2,%r1)
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stg %r7,16(%r2,%r1)
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lg %r9,24(%r2,%r3)
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mlgr %r8,%r5
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alcgr %r9,%r6
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alcgr %r8,zero
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alg %r9,24(%r2,%r1)
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stg %r9,24(%r2,%r1)
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la %r2,32(%r2) // i+=4
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brct %r4,.Loop4_madd
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la %r10,1(%r10) // see if len%4 is zero ...
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brct %r10,.Loop1_madd // without touching condition code:-)
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.Lend_madd:
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alcgr %r8,zero // collect carry bit
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lgr %r2,%r8
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lmg %r6,%r10,48(%r15)
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br %r14
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.Loop1_madd:
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lg %r7,0(%r2,%r3) // ap[i]
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mlgr %r6,%r5 // *=w
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alcgr %r7,%r8 // +=carry
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alcgr %r6,zero
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alg %r7,0(%r2,%r1) // +=rp[i]
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stg %r7,0(%r2,%r1) // rp[i]=
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lgr %r8,%r6
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la %r2,8(%r2) // i++
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brct %r10,.Loop1_madd
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j .Lend_madd
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.size bn_mul_add_words,.-bn_mul_add_words
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// BN_ULONG bn_mul_words(BN_ULONG *r2,BN_ULONG *r3,int r4,BN_ULONG r5);
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.globl bn_mul_words
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.type bn_mul_words,@function
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.align 4
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bn_mul_words:
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lghi zero,0 // zero = 0
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la %r1,0(%r2) // put rp aside
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lghi %r2,0 // i=0;
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ltgfr %r4,%r4
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bler %r14 // if (len<=0) return 0;
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stmg %r6,%r10,48(%r15)
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lghi %r10,3
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lghi %r8,0 // carry = 0
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nr %r10,%r4 // len%4
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sra %r4,2 // cnt=len/4
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jz .Loop1_mul // carry is incidentally cleared if branch taken
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algr zero,zero // clear carry
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.Loop4_mul:
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lg %r7,0(%r2,%r3) // ap[i]
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mlgr %r6,%r5 // *=w
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alcgr %r7,%r8 // +=carry
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stg %r7,0(%r2,%r1) // rp[i]=
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lg %r9,8(%r2,%r3)
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mlgr %r8,%r5
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alcgr %r9,%r6
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stg %r9,8(%r2,%r1)
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lg %r7,16(%r2,%r3)
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mlgr %r6,%r5
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alcgr %r7,%r8
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stg %r7,16(%r2,%r1)
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lg %r9,24(%r2,%r3)
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mlgr %r8,%r5
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alcgr %r9,%r6
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stg %r9,24(%r2,%r1)
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la %r2,32(%r2) // i+=4
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brct %r4,.Loop4_mul
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la %r10,1(%r10) // see if len%4 is zero ...
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brct %r10,.Loop1_mul // without touching condition code:-)
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.Lend_mul:
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alcgr %r8,zero // collect carry bit
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lgr %r2,%r8
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lmg %r6,%r10,48(%r15)
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br %r14
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.Loop1_mul:
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lg %r7,0(%r2,%r3) // ap[i]
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mlgr %r6,%r5 // *=w
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alcgr %r7,%r8 // +=carry
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stg %r7,0(%r2,%r1) // rp[i]=
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lgr %r8,%r6
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la %r2,8(%r2) // i++
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brct %r10,.Loop1_mul
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j .Lend_mul
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.size bn_mul_words,.-bn_mul_words
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// void bn_sqr_words(BN_ULONG *r2,BN_ULONG *r2,int r4)
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.globl bn_sqr_words
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.type bn_sqr_words,@function
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.align 4
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bn_sqr_words:
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ltgfr %r4,%r4
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bler %r14
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stmg %r6,%r7,48(%r15)
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srag %r1,%r4,2 // cnt=len/4
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jz .Loop1_sqr
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.Loop4_sqr:
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lg %r7,0(%r3)
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mlgr %r6,%r7
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stg %r7,0(%r2)
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stg %r6,8(%r2)
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lg %r7,8(%r3)
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mlgr %r6,%r7
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stg %r7,16(%r2)
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stg %r6,24(%r2)
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lg %r7,16(%r3)
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mlgr %r6,%r7
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stg %r7,32(%r2)
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stg %r6,40(%r2)
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lg %r7,24(%r3)
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mlgr %r6,%r7
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stg %r7,48(%r2)
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stg %r6,56(%r2)
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la %r3,32(%r3)
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la %r2,64(%r2)
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brct %r1,.Loop4_sqr
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lghi %r1,3
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nr %r4,%r1 // cnt=len%4
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jz .Lend_sqr
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.Loop1_sqr:
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lg %r7,0(%r3)
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mlgr %r6,%r7
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stg %r7,0(%r2)
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stg %r6,8(%r2)
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la %r3,8(%r3)
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la %r2,16(%r2)
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brct %r4,.Loop1_sqr
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.Lend_sqr:
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lmg %r6,%r7,48(%r15)
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br %r14
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.size bn_sqr_words,.-bn_sqr_words
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// BN_ULONG bn_div_words(BN_ULONG h,BN_ULONG l,BN_ULONG d);
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.globl bn_div_words
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.type bn_div_words,@function
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.align 4
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bn_div_words:
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dlgr %r2,%r4
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lgr %r2,%r3
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br %r14
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.size bn_div_words,.-bn_div_words
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// BN_ULONG bn_add_words(BN_ULONG *r2,BN_ULONG *r3,BN_ULONG *r4,int r5);
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.globl bn_add_words
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.type bn_add_words,@function
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.align 4
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bn_add_words:
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la %r1,0(%r2) // put rp aside
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lghi %r2,0 // i=0
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ltgfr %r5,%r5
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bler %r14 // if (len<=0) return 0;
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stg %r6,48(%r15)
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lghi %r6,3
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nr %r6,%r5 // len%4
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sra %r5,2 // len/4, use sra because it sets condition code
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jz .Loop1_add // carry is incidentally cleared if branch taken
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algr %r2,%r2 // clear carry
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.Loop4_add:
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lg %r0,0(%r2,%r3)
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alcg %r0,0(%r2,%r4)
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stg %r0,0(%r2,%r1)
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lg %r0,8(%r2,%r3)
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alcg %r0,8(%r2,%r4)
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stg %r0,8(%r2,%r1)
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lg %r0,16(%r2,%r3)
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alcg %r0,16(%r2,%r4)
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stg %r0,16(%r2,%r1)
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lg %r0,24(%r2,%r3)
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alcg %r0,24(%r2,%r4)
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stg %r0,24(%r2,%r1)
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la %r2,32(%r2) // i+=4
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brct %r5,.Loop4_add
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la %r6,1(%r6) // see if len%4 is zero ...
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brct %r6,.Loop1_add // without touching condition code:-)
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.Lexit_add:
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lghi %r2,0
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alcgr %r2,%r2
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lg %r6,48(%r15)
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br %r14
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.Loop1_add:
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lg %r0,0(%r2,%r3)
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alcg %r0,0(%r2,%r4)
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stg %r0,0(%r2,%r1)
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la %r2,8(%r2) // i++
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brct %r6,.Loop1_add
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j .Lexit_add
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.size bn_add_words,.-bn_add_words
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// BN_ULONG bn_sub_words(BN_ULONG *r2,BN_ULONG *r3,BN_ULONG *r4,int r5);
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.globl bn_sub_words
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.type bn_sub_words,@function
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.align 4
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bn_sub_words:
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la %r1,0(%r2) // put rp aside
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lghi %r2,0 // i=0
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ltgfr %r5,%r5
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bler %r14 // if (len<=0) return 0;
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stg %r6,48(%r15)
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lghi %r6,3
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nr %r6,%r5 // len%4
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sra %r5,2 // len/4, use sra because it sets condition code
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jnz .Loop4_sub // borrow is incidentally cleared if branch taken
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slgr %r2,%r2 // clear borrow
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.Loop1_sub:
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lg %r0,0(%r2,%r3)
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slbg %r0,0(%r2,%r4)
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stg %r0,0(%r2,%r1)
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la %r2,8(%r2) // i++
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brct %r6,.Loop1_sub
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j .Lexit_sub
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.Loop4_sub:
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lg %r0,0(%r2,%r3)
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slbg %r0,0(%r2,%r4)
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stg %r0,0(%r2,%r1)
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lg %r0,8(%r2,%r3)
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slbg %r0,8(%r2,%r4)
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stg %r0,8(%r2,%r1)
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lg %r0,16(%r2,%r3)
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slbg %r0,16(%r2,%r4)
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stg %r0,16(%r2,%r1)
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lg %r0,24(%r2,%r3)
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slbg %r0,24(%r2,%r4)
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stg %r0,24(%r2,%r1)
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la %r2,32(%r2) // i+=4
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brct %r5,.Loop4_sub
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la %r6,1(%r6) // see if len%4 is zero ...
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brct %r6,.Loop1_sub // without touching condition code:-)
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.Lexit_sub:
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lghi %r2,0
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slbgr %r2,%r2
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lcgr %r2,%r2
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lg %r6,48(%r15)
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br %r14
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.size bn_sub_words,.-bn_sub_words
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#define c1 %r1
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#define c2 %r5
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#define c3 %r8
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#define mul_add_c(ai,bi,c1,c2,c3) \
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lg %r7,ai*8(%r3); \
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mlg %r6,bi*8(%r4); \
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algr c1,%r7; \
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alcgr c2,%r6; \
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alcgr c3,zero
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// void bn_mul_comba8(BN_ULONG *r2,BN_ULONG *r3,BN_ULONG *r4);
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.globl bn_mul_comba8
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.type bn_mul_comba8,@function
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.align 4
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bn_mul_comba8:
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stmg %r6,%r8,48(%r15)
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lghi c1,0
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lghi c2,0
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lghi c3,0
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lghi zero,0
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mul_add_c(0,0,c1,c2,c3);
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stg c1,0*8(%r2)
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lghi c1,0
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mul_add_c(0,1,c2,c3,c1);
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mul_add_c(1,0,c2,c3,c1);
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stg c2,1*8(%r2)
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lghi c2,0
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mul_add_c(2,0,c3,c1,c2);
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mul_add_c(1,1,c3,c1,c2);
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mul_add_c(0,2,c3,c1,c2);
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stg c3,2*8(%r2)
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lghi c3,0
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mul_add_c(0,3,c1,c2,c3);
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mul_add_c(1,2,c1,c2,c3);
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mul_add_c(2,1,c1,c2,c3);
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mul_add_c(3,0,c1,c2,c3);
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stg c1,3*8(%r2)
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lghi c1,0
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mul_add_c(4,0,c2,c3,c1);
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mul_add_c(3,1,c2,c3,c1);
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mul_add_c(2,2,c2,c3,c1);
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mul_add_c(1,3,c2,c3,c1);
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mul_add_c(0,4,c2,c3,c1);
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stg c2,4*8(%r2)
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lghi c2,0
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mul_add_c(0,5,c3,c1,c2);
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mul_add_c(1,4,c3,c1,c2);
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mul_add_c(2,3,c3,c1,c2);
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mul_add_c(3,2,c3,c1,c2);
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mul_add_c(4,1,c3,c1,c2);
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mul_add_c(5,0,c3,c1,c2);
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stg c3,5*8(%r2)
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lghi c3,0
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mul_add_c(6,0,c1,c2,c3);
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mul_add_c(5,1,c1,c2,c3);
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mul_add_c(4,2,c1,c2,c3);
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mul_add_c(3,3,c1,c2,c3);
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mul_add_c(2,4,c1,c2,c3);
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mul_add_c(1,5,c1,c2,c3);
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mul_add_c(0,6,c1,c2,c3);
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stg c1,6*8(%r2)
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lghi c1,0
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mul_add_c(0,7,c2,c3,c1);
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mul_add_c(1,6,c2,c3,c1);
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mul_add_c(2,5,c2,c3,c1);
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mul_add_c(3,4,c2,c3,c1);
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mul_add_c(4,3,c2,c3,c1);
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mul_add_c(5,2,c2,c3,c1);
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mul_add_c(6,1,c2,c3,c1);
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mul_add_c(7,0,c2,c3,c1);
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stg c2,7*8(%r2)
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lghi c2,0
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mul_add_c(7,1,c3,c1,c2);
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mul_add_c(6,2,c3,c1,c2);
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mul_add_c(5,3,c3,c1,c2);
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mul_add_c(4,4,c3,c1,c2);
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mul_add_c(3,5,c3,c1,c2);
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mul_add_c(2,6,c3,c1,c2);
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mul_add_c(1,7,c3,c1,c2);
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stg c3,8*8(%r2)
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lghi c3,0
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mul_add_c(2,7,c1,c2,c3);
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mul_add_c(3,6,c1,c2,c3);
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mul_add_c(4,5,c1,c2,c3);
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mul_add_c(5,4,c1,c2,c3);
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mul_add_c(6,3,c1,c2,c3);
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mul_add_c(7,2,c1,c2,c3);
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stg c1,9*8(%r2)
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lghi c1,0
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mul_add_c(7,3,c2,c3,c1);
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mul_add_c(6,4,c2,c3,c1);
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mul_add_c(5,5,c2,c3,c1);
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mul_add_c(4,6,c2,c3,c1);
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mul_add_c(3,7,c2,c3,c1);
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stg c2,10*8(%r2)
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lghi c2,0
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mul_add_c(4,7,c3,c1,c2);
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mul_add_c(5,6,c3,c1,c2);
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mul_add_c(6,5,c3,c1,c2);
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mul_add_c(7,4,c3,c1,c2);
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stg c3,11*8(%r2)
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lghi c3,0
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mul_add_c(7,5,c1,c2,c3);
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mul_add_c(6,6,c1,c2,c3);
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mul_add_c(5,7,c1,c2,c3);
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stg c1,12*8(%r2)
|
|
lghi c1,0
|
|
|
|
|
|
mul_add_c(6,7,c2,c3,c1);
|
|
mul_add_c(7,6,c2,c3,c1);
|
|
stg c2,13*8(%r2)
|
|
lghi c2,0
|
|
|
|
mul_add_c(7,7,c3,c1,c2);
|
|
stg c3,14*8(%r2)
|
|
stg c1,15*8(%r2)
|
|
|
|
lmg %r6,%r8,48(%r15)
|
|
br %r14
|
|
.size bn_mul_comba8,.-bn_mul_comba8
|
|
|
|
// void bn_mul_comba4(BN_ULONG *r2,BN_ULONG *r3,BN_ULONG *r4);
|
|
.globl bn_mul_comba4
|
|
.type bn_mul_comba4,@function
|
|
.align 4
|
|
bn_mul_comba4:
|
|
stmg %r6,%r8,48(%r15)
|
|
|
|
lghi c1,0
|
|
lghi c2,0
|
|
lghi c3,0
|
|
lghi zero,0
|
|
|
|
mul_add_c(0,0,c1,c2,c3);
|
|
stg c1,0*8(%r3)
|
|
lghi c1,0
|
|
|
|
mul_add_c(0,1,c2,c3,c1);
|
|
mul_add_c(1,0,c2,c3,c1);
|
|
stg c2,1*8(%r2)
|
|
lghi c2,0
|
|
|
|
mul_add_c(2,0,c3,c1,c2);
|
|
mul_add_c(1,1,c3,c1,c2);
|
|
mul_add_c(0,2,c3,c1,c2);
|
|
stg c3,2*8(%r2)
|
|
lghi c3,0
|
|
|
|
mul_add_c(0,3,c1,c2,c3);
|
|
mul_add_c(1,2,c1,c2,c3);
|
|
mul_add_c(2,1,c1,c2,c3);
|
|
mul_add_c(3,0,c1,c2,c3);
|
|
stg c1,3*8(%r2)
|
|
lghi c1,0
|
|
|
|
mul_add_c(3,1,c2,c3,c1);
|
|
mul_add_c(2,2,c2,c3,c1);
|
|
mul_add_c(1,3,c2,c3,c1);
|
|
stg c2,4*8(%r2)
|
|
lghi c2,0
|
|
|
|
mul_add_c(2,3,c3,c1,c2);
|
|
mul_add_c(3,2,c3,c1,c2);
|
|
stg c3,5*8(%r2)
|
|
lghi c3,0
|
|
|
|
mul_add_c(3,3,c1,c2,c3);
|
|
stg c1,6*8(%r2)
|
|
stg c2,7*8(%r2)
|
|
|
|
stmg %r6,%r8,48(%r15)
|
|
br %r14
|
|
.size bn_mul_comba4,.-bn_mul_comba4
|
|
|
|
#define sqr_add_c(ai,c1,c2,c3) \
|
|
lg %r7,ai*8(%r3); \
|
|
mlgr %r6,%r7; \
|
|
algr c1,%r7; \
|
|
alcgr c2,%r6; \
|
|
alcgr c3,zero
|
|
|
|
#define sqr_add_c2(ai,aj,c1,c2,c3) \
|
|
lg %r7,ai*8(%r3); \
|
|
mlg %r6,aj*8(%r3); \
|
|
algr c1,%r7; \
|
|
alcgr c2,%r6; \
|
|
alcgr c3,zero; \
|
|
algr c1,%r7; \
|
|
alcgr c2,%r6; \
|
|
alcgr c3,zero
|
|
|
|
// void bn_sqr_comba8(BN_ULONG *r2,BN_ULONG *r3);
|
|
.globl bn_sqr_comba8
|
|
.type bn_sqr_comba8,@function
|
|
.align 4
|
|
bn_sqr_comba8:
|
|
stmg %r6,%r8,48(%r15)
|
|
|
|
lghi c1,0
|
|
lghi c2,0
|
|
lghi c3,0
|
|
lghi zero,0
|
|
|
|
sqr_add_c(0,c1,c2,c3);
|
|
stg c1,0*8(%r2)
|
|
lghi c1,0
|
|
|
|
sqr_add_c2(1,0,c2,c3,c1);
|
|
stg c2,1*8(%r2)
|
|
lghi c2,0
|
|
|
|
sqr_add_c(1,c3,c1,c2);
|
|
sqr_add_c2(2,0,c3,c1,c2);
|
|
stg c3,2*8(%r2)
|
|
lghi c3,0
|
|
|
|
sqr_add_c2(3,0,c1,c2,c3);
|
|
sqr_add_c2(2,1,c1,c2,c3);
|
|
stg c1,3*8(%r2)
|
|
lghi c1,0
|
|
|
|
sqr_add_c(2,c2,c3,c1);
|
|
sqr_add_c2(3,1,c2,c3,c1);
|
|
sqr_add_c2(4,0,c2,c3,c1);
|
|
stg c2,4*8(%r2)
|
|
lghi c2,0
|
|
|
|
sqr_add_c2(5,0,c3,c1,c2);
|
|
sqr_add_c2(4,1,c3,c1,c2);
|
|
sqr_add_c2(3,2,c3,c1,c2);
|
|
stg c3,5*8(%r2)
|
|
lghi c3,0
|
|
|
|
sqr_add_c(3,c1,c2,c3);
|
|
sqr_add_c2(4,2,c1,c2,c3);
|
|
sqr_add_c2(5,1,c1,c2,c3);
|
|
sqr_add_c2(6,0,c1,c2,c3);
|
|
stg c1,6*8(%r2)
|
|
lghi c1,0
|
|
|
|
sqr_add_c2(7,0,c2,c3,c1);
|
|
sqr_add_c2(6,1,c2,c3,c1);
|
|
sqr_add_c2(5,2,c2,c3,c1);
|
|
sqr_add_c2(4,3,c2,c3,c1);
|
|
stg c2,7*8(%r2)
|
|
lghi c2,0
|
|
|
|
sqr_add_c(4,c3,c1,c2);
|
|
sqr_add_c2(5,3,c3,c1,c2);
|
|
sqr_add_c2(6,2,c3,c1,c2);
|
|
sqr_add_c2(7,1,c3,c1,c2);
|
|
stg c3,8*8(%r2)
|
|
lghi c3,0
|
|
|
|
sqr_add_c2(7,2,c1,c2,c3);
|
|
sqr_add_c2(6,3,c1,c2,c3);
|
|
sqr_add_c2(5,4,c1,c2,c3);
|
|
stg c1,9*8(%r2)
|
|
lghi c1,0
|
|
|
|
sqr_add_c(5,c2,c3,c1);
|
|
sqr_add_c2(6,4,c2,c3,c1);
|
|
sqr_add_c2(7,3,c2,c3,c1);
|
|
stg c2,10*8(%r2)
|
|
lghi c2,0
|
|
|
|
sqr_add_c2(7,4,c3,c1,c2);
|
|
sqr_add_c2(6,5,c3,c1,c2);
|
|
stg c3,11*8(%r2)
|
|
lghi c3,0
|
|
|
|
sqr_add_c(6,c1,c2,c3);
|
|
sqr_add_c2(7,5,c1,c2,c3);
|
|
stg c1,12*8(%r2)
|
|
lghi c1,0
|
|
|
|
sqr_add_c2(7,6,c2,c3,c1);
|
|
stg c2,13*8(%r2)
|
|
lghi c2,0
|
|
|
|
sqr_add_c(7,c3,c1,c2);
|
|
stg c3,14*8(%r2)
|
|
stg c1,15*8(%r2)
|
|
|
|
lmg %r6,%r8,48(%r15)
|
|
br %r14
|
|
.size bn_sqr_comba8,.-bn_sqr_comba8
|
|
|
|
// void bn_sqr_comba4(BN_ULONG *r2,BN_ULONG *r3);
|
|
.globl bn_sqr_comba4
|
|
.type bn_sqr_comba4,@function
|
|
.align 4
|
|
bn_sqr_comba4:
|
|
stmg %r6,%r8,48(%r15)
|
|
|
|
lghi c1,0
|
|
lghi c2,0
|
|
lghi c3,0
|
|
lghi zero,0
|
|
|
|
sqr_add_c(0,c1,c2,c3);
|
|
stg c1,0*8(%r2)
|
|
lghi c1,0
|
|
|
|
sqr_add_c2(1,0,c2,c3,c1);
|
|
stg c2,1*8(%r2)
|
|
lghi c2,0
|
|
|
|
sqr_add_c(1,c3,c1,c2);
|
|
sqr_add_c2(2,0,c3,c1,c2);
|
|
stg c3,2*8(%r2)
|
|
lghi c3,0
|
|
|
|
sqr_add_c2(3,0,c1,c2,c3);
|
|
sqr_add_c2(2,1,c1,c2,c3);
|
|
stg c1,3*8(%r2)
|
|
lghi c1,0
|
|
|
|
sqr_add_c(2,c2,c3,c1);
|
|
sqr_add_c2(3,1,c2,c3,c1);
|
|
stg c2,4*8(%r2)
|
|
lghi c2,0
|
|
|
|
sqr_add_c2(3,2,c3,c1,c2);
|
|
stg c3,5*8(%r2)
|
|
lghi c3,0
|
|
|
|
sqr_add_c(3,c1,c2,c3);
|
|
stg c1,6*8(%r2)
|
|
stg c2,7*8(%r2)
|
|
|
|
lmg %r6,%r8,48(%r15)
|
|
br %r14
|
|
.size bn_sqr_comba4,.-bn_sqr_comba4
|