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author | marha <marha@users.sourceforge.net> | 2009-07-12 14:59:03 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2009-07-12 14:59:03 +0000 |
commit | ba540f757bc1cd571272c10bbd14b5122f99983f (patch) | |
tree | 9a042798a6ab828cd85be63e41b69ace6a1513cc /openssl/crypto/bn/asm/pa-risc2W.s | |
parent | 3562e78743202e43aec8727005182a2558117eca (diff) | |
download | vcxsrv-ba540f757bc1cd571272c10bbd14b5122f99983f.tar.gz vcxsrv-ba540f757bc1cd571272c10bbd14b5122f99983f.tar.bz2 vcxsrv-ba540f757bc1cd571272c10bbd14b5122f99983f.zip |
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Diffstat (limited to 'openssl/crypto/bn/asm/pa-risc2W.s')
-rw-r--r-- | openssl/crypto/bn/asm/pa-risc2W.s | 1605 |
1 files changed, 1605 insertions, 0 deletions
diff --git a/openssl/crypto/bn/asm/pa-risc2W.s b/openssl/crypto/bn/asm/pa-risc2W.s new file mode 100644 index 000000000..a99545754 --- /dev/null +++ b/openssl/crypto/bn/asm/pa-risc2W.s @@ -0,0 +1,1605 @@ +; +; PA-RISC 64-bit implementation of bn_asm code +; +; This code is approximately 2x faster than the C version +; for RSA/DSA. +; +; See http://devresource.hp.com/ for more details on the PA-RISC +; architecture. Also see the book "PA-RISC 2.0 Architecture" +; by Gerry Kane for information on the instruction set architecture. +; +; Code written by Chris Ruemmler (with some help from the HP C +; compiler). +; +; The code compiles with HP's assembler +; + + .level 2.0W + .space $TEXT$ + .subspa $CODE$,QUAD=0,ALIGN=8,ACCESS=0x2c,CODE_ONLY + +; +; Global Register definitions used for the routines. +; +; Some information about HP's runtime architecture for 64-bits. +; +; "Caller save" means the calling function must save the register +; if it wants the register to be preserved. +; "Callee save" means if a function uses the register, it must save +; the value before using it. +; +; For the floating point registers +; +; "caller save" registers: fr4-fr11, fr22-fr31 +; "callee save" registers: fr12-fr21 +; "special" registers: fr0-fr3 (status and exception registers) +; +; For the integer registers +; value zero : r0 +; "caller save" registers: r1,r19-r26 +; "callee save" registers: r3-r18 +; return register : r2 (rp) +; return values ; r28 (ret0,ret1) +; Stack pointer ; r30 (sp) +; global data pointer ; r27 (dp) +; argument pointer ; r29 (ap) +; millicode return ptr ; r31 (also a caller save register) + + +; +; Arguments to the routines +; +r_ptr .reg %r26 +a_ptr .reg %r25 +b_ptr .reg %r24 +num .reg %r24 +w .reg %r23 +n .reg %r23 + + +; +; Globals used in some routines +; + +top_overflow .reg %r29 +high_mask .reg %r22 ; value 0xffffffff80000000L + + +;------------------------------------------------------------------------------ +; +; bn_mul_add_words +; +;BN_ULONG bn_mul_add_words(BN_ULONG *r_ptr, BN_ULONG *a_ptr, +; int num, BN_ULONG w) +; +; arg0 = r_ptr +; arg1 = a_ptr +; arg2 = num +; arg3 = w +; +; Local register definitions +; + +fm1 .reg %fr22 +fm .reg %fr23 +ht_temp .reg %fr24 +ht_temp_1 .reg %fr25 +lt_temp .reg %fr26 +lt_temp_1 .reg %fr27 +fm1_1 .reg %fr28 +fm_1 .reg %fr29 + +fw_h .reg %fr7L +fw_l .reg %fr7R +fw .reg %fr7 + +fht_0 .reg %fr8L +flt_0 .reg %fr8R +t_float_0 .reg %fr8 + +fht_1 .reg %fr9L +flt_1 .reg %fr9R +t_float_1 .reg %fr9 + +tmp_0 .reg %r31 +tmp_1 .reg %r21 +m_0 .reg %r20 +m_1 .reg %r19 +ht_0 .reg %r1 +ht_1 .reg %r3 +lt_0 .reg %r4 +lt_1 .reg %r5 +m1_0 .reg %r6 +m1_1 .reg %r7 +rp_val .reg %r8 +rp_val_1 .reg %r9 + +bn_mul_add_words + .export bn_mul_add_words,entry,NO_RELOCATION,LONG_RETURN + .proc + .callinfo frame=128 + .entry + .align 64 + + STD %r3,0(%sp) ; save r3 + STD %r4,8(%sp) ; save r4 + NOP ; Needed to make the loop 16-byte aligned + NOP ; Needed to make the loop 16-byte aligned + + STD %r5,16(%sp) ; save r5 + STD %r6,24(%sp) ; save r6 + STD %r7,32(%sp) ; save r7 + STD %r8,40(%sp) ; save r8 + + STD %r9,48(%sp) ; save r9 + COPY %r0,%ret0 ; return 0 by default + DEPDI,Z 1,31,1,top_overflow ; top_overflow = 1 << 32 + STD w,56(%sp) ; store w on stack + + CMPIB,>= 0,num,bn_mul_add_words_exit ; if (num <= 0) then exit + LDO 128(%sp),%sp ; bump stack + + ; + ; The loop is unrolled twice, so if there is only 1 number + ; then go straight to the cleanup code. + ; + CMPIB,= 1,num,bn_mul_add_words_single_top + FLDD -72(%sp),fw ; load up w into fp register fw (fw_h/fw_l) + + ; + ; This loop is unrolled 2 times (64-byte aligned as well) + ; + ; PA-RISC 2.0 chips have two fully pipelined multipliers, thus + ; two 32-bit mutiplies can be issued per cycle. + ; +bn_mul_add_words_unroll2 + + FLDD 0(a_ptr),t_float_0 ; load up 64-bit value (fr8L) ht(L)/lt(R) + FLDD 8(a_ptr),t_float_1 ; load up 64-bit value (fr8L) ht(L)/lt(R) + LDD 0(r_ptr),rp_val ; rp[0] + LDD 8(r_ptr),rp_val_1 ; rp[1] + + XMPYU fht_0,fw_l,fm1 ; m1[0] = fht_0*fw_l + XMPYU fht_1,fw_l,fm1_1 ; m1[1] = fht_1*fw_l + FSTD fm1,-16(%sp) ; -16(sp) = m1[0] + FSTD fm1_1,-48(%sp) ; -48(sp) = m1[1] + + XMPYU flt_0,fw_h,fm ; m[0] = flt_0*fw_h + XMPYU flt_1,fw_h,fm_1 ; m[1] = flt_1*fw_h + FSTD fm,-8(%sp) ; -8(sp) = m[0] + FSTD fm_1,-40(%sp) ; -40(sp) = m[1] + + XMPYU fht_0,fw_h,ht_temp ; ht_temp = fht_0*fw_h + XMPYU fht_1,fw_h,ht_temp_1 ; ht_temp_1 = fht_1*fw_h + FSTD ht_temp,-24(%sp) ; -24(sp) = ht_temp + FSTD ht_temp_1,-56(%sp) ; -56(sp) = ht_temp_1 + + XMPYU flt_0,fw_l,lt_temp ; lt_temp = lt*fw_l + XMPYU flt_1,fw_l,lt_temp_1 ; lt_temp = lt*fw_l + FSTD lt_temp,-32(%sp) ; -32(sp) = lt_temp + FSTD lt_temp_1,-64(%sp) ; -64(sp) = lt_temp_1 + + LDD -8(%sp),m_0 ; m[0] + LDD -40(%sp),m_1 ; m[1] + LDD -16(%sp),m1_0 ; m1[0] + LDD -48(%sp),m1_1 ; m1[1] + + LDD -24(%sp),ht_0 ; ht[0] + LDD -56(%sp),ht_1 ; ht[1] + ADD,L m1_0,m_0,tmp_0 ; tmp_0 = m[0] + m1[0]; + ADD,L m1_1,m_1,tmp_1 ; tmp_1 = m[1] + m1[1]; + + LDD -32(%sp),lt_0 + LDD -64(%sp),lt_1 + CMPCLR,*>>= tmp_0,m1_0, %r0 ; if (m[0] < m1[0]) + ADD,L ht_0,top_overflow,ht_0 ; ht[0] += (1<<32) + + CMPCLR,*>>= tmp_1,m1_1,%r0 ; if (m[1] < m1[1]) + ADD,L ht_1,top_overflow,ht_1 ; ht[1] += (1<<32) + EXTRD,U tmp_0,31,32,m_0 ; m[0]>>32 + DEPD,Z tmp_0,31,32,m1_0 ; m1[0] = m[0]<<32 + + EXTRD,U tmp_1,31,32,m_1 ; m[1]>>32 + DEPD,Z tmp_1,31,32,m1_1 ; m1[1] = m[1]<<32 + ADD,L ht_0,m_0,ht_0 ; ht[0]+= (m[0]>>32) + ADD,L ht_1,m_1,ht_1 ; ht[1]+= (m[1]>>32) + + ADD lt_0,m1_0,lt_0 ; lt[0] = lt[0]+m1[0]; + ADD,DC ht_0,%r0,ht_0 ; ht[0]++ + ADD lt_1,m1_1,lt_1 ; lt[1] = lt[1]+m1[1]; + ADD,DC ht_1,%r0,ht_1 ; ht[1]++ + + ADD %ret0,lt_0,lt_0 ; lt[0] = lt[0] + c; + ADD,DC ht_0,%r0,ht_0 ; ht[0]++ + ADD lt_0,rp_val,lt_0 ; lt[0] = lt[0]+rp[0] + ADD,DC ht_0,%r0,ht_0 ; ht[0]++ + + LDO -2(num),num ; num = num - 2; + ADD ht_0,lt_1,lt_1 ; lt[1] = lt[1] + ht_0 (c); + ADD,DC ht_1,%r0,ht_1 ; ht[1]++ + STD lt_0,0(r_ptr) ; rp[0] = lt[0] + + ADD lt_1,rp_val_1,lt_1 ; lt[1] = lt[1]+rp[1] + ADD,DC ht_1,%r0,%ret0 ; ht[1]++ + LDO 16(a_ptr),a_ptr ; a_ptr += 2 + + STD lt_1,8(r_ptr) ; rp[1] = lt[1] + CMPIB,<= 2,num,bn_mul_add_words_unroll2 ; go again if more to do + LDO 16(r_ptr),r_ptr ; r_ptr += 2 + + CMPIB,=,N 0,num,bn_mul_add_words_exit ; are we done, or cleanup last one + + ; + ; Top of loop aligned on 64-byte boundary + ; +bn_mul_add_words_single_top + FLDD 0(a_ptr),t_float_0 ; load up 64-bit value (fr8L) ht(L)/lt(R) + LDD 0(r_ptr),rp_val ; rp[0] + LDO 8(a_ptr),a_ptr ; a_ptr++ + XMPYU fht_0,fw_l,fm1 ; m1 = ht*fw_l + FSTD fm1,-16(%sp) ; -16(sp) = m1 + XMPYU flt_0,fw_h,fm ; m = lt*fw_h + FSTD fm,-8(%sp) ; -8(sp) = m + XMPYU fht_0,fw_h,ht_temp ; ht_temp = ht*fw_h + FSTD ht_temp,-24(%sp) ; -24(sp) = ht + XMPYU flt_0,fw_l,lt_temp ; lt_temp = lt*fw_l + FSTD lt_temp,-32(%sp) ; -32(sp) = lt + + LDD -8(%sp),m_0 + LDD -16(%sp),m1_0 ; m1 = temp1 + ADD,L m_0,m1_0,tmp_0 ; tmp_0 = m + m1; + LDD -24(%sp),ht_0 + LDD -32(%sp),lt_0 + + CMPCLR,*>>= tmp_0,m1_0,%r0 ; if (m < m1) + ADD,L ht_0,top_overflow,ht_0 ; ht += (1<<32) + + EXTRD,U tmp_0,31,32,m_0 ; m>>32 + DEPD,Z tmp_0,31,32,m1_0 ; m1 = m<<32 + + ADD,L ht_0,m_0,ht_0 ; ht+= (m>>32) + ADD lt_0,m1_0,tmp_0 ; tmp_0 = lt+m1; + ADD,DC ht_0,%r0,ht_0 ; ht++ + ADD %ret0,tmp_0,lt_0 ; lt = lt + c; + ADD,DC ht_0,%r0,ht_0 ; ht++ + ADD lt_0,rp_val,lt_0 ; lt = lt+rp[0] + ADD,DC ht_0,%r0,%ret0 ; ht++ + STD lt_0,0(r_ptr) ; rp[0] = lt + +bn_mul_add_words_exit + .EXIT + LDD -80(%sp),%r9 ; restore r9 + LDD -88(%sp),%r8 ; restore r8 + LDD -96(%sp),%r7 ; restore r7 + LDD -104(%sp),%r6 ; restore r6 + LDD -112(%sp),%r5 ; restore r5 + LDD -120(%sp),%r4 ; restore r4 + BVE (%rp) + LDD,MB -128(%sp),%r3 ; restore r3 + .PROCEND ;in=23,24,25,26,29;out=28; + +;---------------------------------------------------------------------------- +; +;BN_ULONG bn_mul_words(BN_ULONG *rp, BN_ULONG *ap, int num, BN_ULONG w) +; +; arg0 = rp +; arg1 = ap +; arg2 = num +; arg3 = w + +bn_mul_words + .proc + .callinfo frame=128 + .entry + .EXPORT bn_mul_words,ENTRY,PRIV_LEV=3,NO_RELOCATION,LONG_RETURN + .align 64 + + STD %r3,0(%sp) ; save r3 + STD %r4,8(%sp) ; save r4 + STD %r5,16(%sp) ; save r5 + STD %r6,24(%sp) ; save r6 + + STD %r7,32(%sp) ; save r7 + COPY %r0,%ret0 ; return 0 by default + DEPDI,Z 1,31,1,top_overflow ; top_overflow = 1 << 32 + STD w,56(%sp) ; w on stack + + CMPIB,>= 0,num,bn_mul_words_exit + LDO 128(%sp),%sp ; bump stack + + ; + ; See if only 1 word to do, thus just do cleanup + ; + CMPIB,= 1,num,bn_mul_words_single_top + FLDD -72(%sp),fw ; load up w into fp register fw (fw_h/fw_l) + + ; + ; This loop is unrolled 2 times (64-byte aligned as well) + ; + ; PA-RISC 2.0 chips have two fully pipelined multipliers, thus + ; two 32-bit mutiplies can be issued per cycle. + ; +bn_mul_words_unroll2 + + FLDD 0(a_ptr),t_float_0 ; load up 64-bit value (fr8L) ht(L)/lt(R) + FLDD 8(a_ptr),t_float_1 ; load up 64-bit value (fr8L) ht(L)/lt(R) + XMPYU fht_0,fw_l,fm1 ; m1[0] = fht_0*fw_l + XMPYU fht_1,fw_l,fm1_1 ; m1[1] = ht*fw_l + + FSTD fm1,-16(%sp) ; -16(sp) = m1 + FSTD fm1_1,-48(%sp) ; -48(sp) = m1 + XMPYU flt_0,fw_h,fm ; m = lt*fw_h + XMPYU flt_1,fw_h,fm_1 ; m = lt*fw_h + + FSTD fm,-8(%sp) ; -8(sp) = m + FSTD fm_1,-40(%sp) ; -40(sp) = m + XMPYU fht_0,fw_h,ht_temp ; ht_temp = fht_0*fw_h + XMPYU fht_1,fw_h,ht_temp_1 ; ht_temp = ht*fw_h + + FSTD ht_temp,-24(%sp) ; -24(sp) = ht + FSTD ht_temp_1,-56(%sp) ; -56(sp) = ht + XMPYU flt_0,fw_l,lt_temp ; lt_temp = lt*fw_l + XMPYU flt_1,fw_l,lt_temp_1 ; lt_temp = lt*fw_l + + FSTD lt_temp,-32(%sp) ; -32(sp) = lt + FSTD lt_temp_1,-64(%sp) ; -64(sp) = lt + LDD -8(%sp),m_0 + LDD -40(%sp),m_1 + + LDD -16(%sp),m1_0 + LDD -48(%sp),m1_1 + LDD -24(%sp),ht_0 + LDD -56(%sp),ht_1 + + ADD,L m1_0,m_0,tmp_0 ; tmp_0 = m + m1; + ADD,L m1_1,m_1,tmp_1 ; tmp_1 = m + m1; + LDD -32(%sp),lt_0 + LDD -64(%sp),lt_1 + + CMPCLR,*>>= tmp_0,m1_0, %r0 ; if (m < m1) + ADD,L ht_0,top_overflow,ht_0 ; ht += (1<<32) + CMPCLR,*>>= tmp_1,m1_1,%r0 ; if (m < m1) + ADD,L ht_1,top_overflow,ht_1 ; ht += (1<<32) + + EXTRD,U tmp_0,31,32,m_0 ; m>>32 + DEPD,Z tmp_0,31,32,m1_0 ; m1 = m<<32 + EXTRD,U tmp_1,31,32,m_1 ; m>>32 + DEPD,Z tmp_1,31,32,m1_1 ; m1 = m<<32 + + ADD,L ht_0,m_0,ht_0 ; ht+= (m>>32) + ADD,L ht_1,m_1,ht_1 ; ht+= (m>>32) + ADD lt_0,m1_0,lt_0 ; lt = lt+m1; + ADD,DC ht_0,%r0,ht_0 ; ht++ + + ADD lt_1,m1_1,lt_1 ; lt = lt+m1; + ADD,DC ht_1,%r0,ht_1 ; ht++ + ADD %ret0,lt_0,lt_0 ; lt = lt + c (ret0); + ADD,DC ht_0,%r0,ht_0 ; ht++ + + ADD ht_0,lt_1,lt_1 ; lt = lt + c (ht_0) + ADD,DC ht_1,%r0,ht_1 ; ht++ + STD lt_0,0(r_ptr) ; rp[0] = lt + STD lt_1,8(r_ptr) ; rp[1] = lt + + COPY ht_1,%ret0 ; carry = ht + LDO -2(num),num ; num = num - 2; + LDO 16(a_ptr),a_ptr ; ap += 2 + CMPIB,<= 2,num,bn_mul_words_unroll2 + LDO 16(r_ptr),r_ptr ; rp++ + + CMPIB,=,N 0,num,bn_mul_words_exit ; are we done? + + ; + ; Top of loop aligned on 64-byte boundary + ; +bn_mul_words_single_top + FLDD 0(a_ptr),t_float_0 ; load up 64-bit value (fr8L) ht(L)/lt(R) + + XMPYU fht_0,fw_l,fm1 ; m1 = ht*fw_l + FSTD fm1,-16(%sp) ; -16(sp) = m1 + XMPYU flt_0,fw_h,fm ; m = lt*fw_h + FSTD fm,-8(%sp) ; -8(sp) = m + XMPYU fht_0,fw_h,ht_temp ; ht_temp = ht*fw_h + FSTD ht_temp,-24(%sp) ; -24(sp) = ht + XMPYU flt_0,fw_l,lt_temp ; lt_temp = lt*fw_l + FSTD lt_temp,-32(%sp) ; -32(sp) = lt + + LDD -8(%sp),m_0 + LDD -16(%sp),m1_0 + ADD,L m_0,m1_0,tmp_0 ; tmp_0 = m + m1; + LDD -24(%sp),ht_0 + LDD -32(%sp),lt_0 + + CMPCLR,*>>= tmp_0,m1_0,%r0 ; if (m < m1) + ADD,L ht_0,top_overflow,ht_0 ; ht += (1<<32) + + EXTRD,U tmp_0,31,32,m_0 ; m>>32 + DEPD,Z tmp_0,31,32,m1_0 ; m1 = m<<32 + + ADD,L ht_0,m_0,ht_0 ; ht+= (m>>32) + ADD lt_0,m1_0,lt_0 ; lt= lt+m1; + ADD,DC ht_0,%r0,ht_0 ; ht++ + + ADD %ret0,lt_0,lt_0 ; lt = lt + c; + ADD,DC ht_0,%r0,ht_0 ; ht++ + + COPY ht_0,%ret0 ; copy carry + STD lt_0,0(r_ptr) ; rp[0] = lt + +bn_mul_words_exit + .EXIT + LDD -96(%sp),%r7 ; restore r7 + LDD -104(%sp),%r6 ; restore r6 + LDD -112(%sp),%r5 ; restore r5 + LDD -120(%sp),%r4 ; restore r4 + BVE (%rp) + LDD,MB -128(%sp),%r3 ; restore r3 + .PROCEND ;in=23,24,25,26,29;out=28; + +;---------------------------------------------------------------------------- +; +;void bn_sqr_words(BN_ULONG *rp, BN_ULONG *ap, int num) +; +; arg0 = rp +; arg1 = ap +; arg2 = num +; + +bn_sqr_words + .proc + .callinfo FRAME=128,ENTRY_GR=%r3,ARGS_SAVED,ORDERING_AWARE + .EXPORT bn_sqr_words,ENTRY,PRIV_LEV=3,NO_RELOCATION,LONG_RETURN + .entry + .align 64 + + STD %r3,0(%sp) ; save r3 + STD %r4,8(%sp) ; save r4 + NOP + STD %r5,16(%sp) ; save r5 + + CMPIB,>= 0,num,bn_sqr_words_exit + LDO 128(%sp),%sp ; bump stack + + ; + ; If only 1, the goto straight to cleanup + ; + CMPIB,= 1,num,bn_sqr_words_single_top + DEPDI,Z -1,32,33,high_mask ; Create Mask 0xffffffff80000000L + + ; + ; This loop is unrolled 2 times (64-byte aligned as well) + ; + +bn_sqr_words_unroll2 + FLDD 0(a_ptr),t_float_0 ; a[0] + FLDD 8(a_ptr),t_float_1 ; a[1] + XMPYU fht_0,flt_0,fm ; m[0] + XMPYU fht_1,flt_1,fm_1 ; m[1] + + FSTD fm,-24(%sp) ; store m[0] + FSTD fm_1,-56(%sp) ; store m[1] + XMPYU flt_0,flt_0,lt_temp ; lt[0] + XMPYU flt_1,flt_1,lt_temp_1 ; lt[1] + + FSTD lt_temp,-16(%sp) ; store lt[0] + FSTD lt_temp_1,-48(%sp) ; store lt[1] + XMPYU fht_0,fht_0,ht_temp ; ht[0] + XMPYU fht_1,fht_1,ht_temp_1 ; ht[1] + + FSTD ht_temp,-8(%sp) ; store ht[0] + FSTD ht_temp_1,-40(%sp) ; store ht[1] + LDD -24(%sp),m_0 + LDD -56(%sp),m_1 + + AND m_0,high_mask,tmp_0 ; m[0] & Mask + AND m_1,high_mask,tmp_1 ; m[1] & Mask + DEPD,Z m_0,30,31,m_0 ; m[0] << 32+1 + DEPD,Z m_1,30,31,m_1 ; m[1] << 32+1 + + LDD -16(%sp),lt_0 + LDD -48(%sp),lt_1 + EXTRD,U tmp_0,32,33,tmp_0 ; tmp_0 = m[0]&Mask >> 32-1 + EXTRD,U tmp_1,32,33,tmp_1 ; tmp_1 = m[1]&Mask >> 32-1 + + LDD -8(%sp),ht_0 + LDD -40(%sp),ht_1 + ADD,L ht_0,tmp_0,ht_0 ; ht[0] += tmp_0 + ADD,L ht_1,tmp_1,ht_1 ; ht[1] += tmp_1 + + ADD lt_0,m_0,lt_0 ; lt = lt+m + ADD,DC ht_0,%r0,ht_0 ; ht[0]++ + STD lt_0,0(r_ptr) ; rp[0] = lt[0] + STD ht_0,8(r_ptr) ; rp[1] = ht[1] + + ADD lt_1,m_1,lt_1 ; lt = lt+m + ADD,DC ht_1,%r0,ht_1 ; ht[1]++ + STD lt_1,16(r_ptr) ; rp[2] = lt[1] + STD ht_1,24(r_ptr) ; rp[3] = ht[1] + + LDO -2(num),num ; num = num - 2; + LDO 16(a_ptr),a_ptr ; ap += 2 + CMPIB,<= 2,num,bn_sqr_words_unroll2 + LDO 32(r_ptr),r_ptr ; rp += 4 + + CMPIB,=,N 0,num,bn_sqr_words_exit ; are we done? + + ; + ; Top of loop aligned on 64-byte boundary + ; +bn_sqr_words_single_top + FLDD 0(a_ptr),t_float_0 ; load up 64-bit value (fr8L) ht(L)/lt(R) + + XMPYU fht_0,flt_0,fm ; m + FSTD fm,-24(%sp) ; store m + + XMPYU flt_0,flt_0,lt_temp ; lt + FSTD lt_temp,-16(%sp) ; store lt + + XMPYU fht_0,fht_0,ht_temp ; ht + FSTD ht_temp,-8(%sp) ; store ht + + LDD -24(%sp),m_0 ; load m + AND m_0,high_mask,tmp_0 ; m & Mask + DEPD,Z m_0,30,31,m_0 ; m << 32+1 + LDD -16(%sp),lt_0 ; lt + + LDD -8(%sp),ht_0 ; ht + EXTRD,U tmp_0,32,33,tmp_0 ; tmp_0 = m&Mask >> 32-1 + ADD m_0,lt_0,lt_0 ; lt = lt+m + ADD,L ht_0,tmp_0,ht_0 ; ht += tmp_0 + ADD,DC ht_0,%r0,ht_0 ; ht++ + + STD lt_0,0(r_ptr) ; rp[0] = lt + STD ht_0,8(r_ptr) ; rp[1] = ht + +bn_sqr_words_exit + .EXIT + LDD -112(%sp),%r5 ; restore r5 + LDD -120(%sp),%r4 ; restore r4 + BVE (%rp) + LDD,MB -128(%sp),%r3 + .PROCEND ;in=23,24,25,26,29;out=28; + + +;---------------------------------------------------------------------------- +; +;BN_ULONG bn_add_words(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n) +; +; arg0 = rp +; arg1 = ap +; arg2 = bp +; arg3 = n + +t .reg %r22 +b .reg %r21 +l .reg %r20 + +bn_add_words + .proc + .entry + .callinfo + .EXPORT bn_add_words,ENTRY,PRIV_LEV=3,NO_RELOCATION,LONG_RETURN + .align 64 + + CMPIB,>= 0,n,bn_add_words_exit + COPY %r0,%ret0 ; return 0 by default + + ; + ; If 2 or more numbers do the loop + ; + CMPIB,= 1,n,bn_add_words_single_top + NOP + + ; + ; This loop is unrolled 2 times (64-byte aligned as well) + ; +bn_add_words_unroll2 + LDD 0(a_ptr),t + LDD 0(b_ptr),b + ADD t,%ret0,t ; t = t+c; + ADD,DC %r0,%r0,%ret0 ; set c to carry + ADD t,b,l ; l = t + b[0] + ADD,DC %ret0,%r0,%ret0 ; c+= carry + STD l,0(r_ptr) + + LDD 8(a_ptr),t + LDD 8(b_ptr),b + ADD t,%ret0,t ; t = t+c; + ADD,DC %r0,%r0,%ret0 ; set c to carry + ADD t,b,l ; l = t + b[0] + ADD,DC %ret0,%r0,%ret0 ; c+= carry + STD l,8(r_ptr) + + LDO -2(n),n + LDO 16(a_ptr),a_ptr + LDO 16(b_ptr),b_ptr + + CMPIB,<= 2,n,bn_add_words_unroll2 + LDO 16(r_ptr),r_ptr + + CMPIB,=,N 0,n,bn_add_words_exit ; are we done? + +bn_add_words_single_top + LDD 0(a_ptr),t + LDD 0(b_ptr),b + + ADD t,%ret0,t ; t = t+c; + ADD,DC %r0,%r0,%ret0 ; set c to carry (could use CMPCLR??) + ADD t,b,l ; l = t + b[0] + ADD,DC %ret0,%r0,%ret0 ; c+= carry + STD l,0(r_ptr) + +bn_add_words_exit + .EXIT + BVE (%rp) + NOP + .PROCEND ;in=23,24,25,26,29;out=28; + +;---------------------------------------------------------------------------- +; +;BN_ULONG bn_sub_words(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n) +; +; arg0 = rp +; arg1 = ap +; arg2 = bp +; arg3 = n + +t1 .reg %r22 +t2 .reg %r21 +sub_tmp1 .reg %r20 +sub_tmp2 .reg %r19 + + +bn_sub_words + .proc + .callinfo + .EXPORT bn_sub_words,ENTRY,PRIV_LEV=3,NO_RELOCATION,LONG_RETURN + .entry + .align 64 + + CMPIB,>= 0,n,bn_sub_words_exit + COPY %r0,%ret0 ; return 0 by default + + ; + ; If 2 or more numbers do the loop + ; + CMPIB,= 1,n,bn_sub_words_single_top + NOP + + ; + ; This loop is unrolled 2 times (64-byte aligned as well) + ; +bn_sub_words_unroll2 + LDD 0(a_ptr),t1 + LDD 0(b_ptr),t2 + SUB t1,t2,sub_tmp1 ; t3 = t1-t2; + SUB sub_tmp1,%ret0,sub_tmp1 ; t3 = t3- c; + + CMPCLR,*>> t1,t2,sub_tmp2 ; clear if t1 > t2 + LDO 1(%r0),sub_tmp2 + + CMPCLR,*= t1,t2,%r0 + COPY sub_tmp2,%ret0 + STD sub_tmp1,0(r_ptr) + + LDD 8(a_ptr),t1 + LDD 8(b_ptr),t2 + SUB t1,t2,sub_tmp1 ; t3 = t1-t2; + SUB sub_tmp1,%ret0,sub_tmp1 ; t3 = t3- c; + CMPCLR,*>> t1,t2,sub_tmp2 ; clear if t1 > t2 + LDO 1(%r0),sub_tmp2 + + CMPCLR,*= t1,t2,%r0 + COPY sub_tmp2,%ret0 + STD sub_tmp1,8(r_ptr) + + LDO -2(n),n + LDO 16(a_ptr),a_ptr + LDO 16(b_ptr),b_ptr + + CMPIB,<= 2,n,bn_sub_words_unroll2 + LDO 16(r_ptr),r_ptr + + CMPIB,=,N 0,n,bn_sub_words_exit ; are we done? + +bn_sub_words_single_top + LDD 0(a_ptr),t1 + LDD 0(b_ptr),t2 + SUB t1,t2,sub_tmp1 ; t3 = t1-t2; + SUB sub_tmp1,%ret0,sub_tmp1 ; t3 = t3- c; + CMPCLR,*>> t1,t2,sub_tmp2 ; clear if t1 > t2 + LDO 1(%r0),sub_tmp2 + + CMPCLR,*= t1,t2,%r0 + COPY sub_tmp2,%ret0 + + STD sub_tmp1,0(r_ptr) + +bn_sub_words_exit + .EXIT + BVE (%rp) + NOP + .PROCEND ;in=23,24,25,26,29;out=28; + +;------------------------------------------------------------------------------ +; +; unsigned long bn_div_words(unsigned long h, unsigned long l, unsigned long d) +; +; arg0 = h +; arg1 = l +; arg2 = d +; +; This is mainly just modified assembly from the compiler, thus the +; lack of variable names. +; +;------------------------------------------------------------------------------ +bn_div_words + .proc + .callinfo CALLER,FRAME=272,ENTRY_GR=%r10,SAVE_RP,ARGS_SAVED,ORDERING_AWARE + .EXPORT bn_div_words,ENTRY,PRIV_LEV=3,NO_RELOCATION,LONG_RETURN + .IMPORT BN_num_bits_word,CODE,NO_RELOCATION + .IMPORT __iob,DATA + .IMPORT fprintf,CODE,NO_RELOCATION + .IMPORT abort,CODE,NO_RELOCATION + .IMPORT $$div2U,MILLICODE + .entry + STD %r2,-16(%r30) + STD,MA %r3,352(%r30) + STD %r4,-344(%r30) + STD %r5,-336(%r30) + STD %r6,-328(%r30) + STD %r7,-320(%r30) + STD %r8,-312(%r30) + STD %r9,-304(%r30) + STD %r10,-296(%r30) + + STD %r27,-288(%r30) ; save gp + + COPY %r24,%r3 ; save d + COPY %r26,%r4 ; save h (high 64-bits) + LDO -1(%r0),%ret0 ; return -1 by default + + CMPB,*= %r0,%arg2,$D3 ; if (d == 0) + COPY %r25,%r5 ; save l (low 64-bits) + + LDO -48(%r30),%r29 ; create ap + .CALL ;in=26,29;out=28; + B,L BN_num_bits_word,%r2 + COPY %r3,%r26 + LDD -288(%r30),%r27 ; restore gp + LDI 64,%r21 + + CMPB,= %r21,%ret0,$00000012 ;if (i == 64) (forward) + COPY %ret0,%r24 ; i + MTSARCM %r24 + DEPDI,Z -1,%sar,1,%r29 + CMPB,*<<,N %r29,%r4,bn_div_err_case ; if (h > 1<<i) (forward) + +$00000012 + SUBI 64,%r24,%r31 ; i = 64 - i; + CMPCLR,*<< %r4,%r3,%r0 ; if (h >= d) + SUB %r4,%r3,%r4 ; h -= d + CMPB,= %r31,%r0,$0000001A ; if (i) + COPY %r0,%r10 ; ret = 0 + MTSARCM %r31 ; i to shift + DEPD,Z %r3,%sar,64,%r3 ; d <<= i; + SUBI 64,%r31,%r19 ; 64 - i; redundent + MTSAR %r19 ; (64 -i) to shift + SHRPD %r4,%r5,%sar,%r4 ; l>> (64-i) + MTSARCM %r31 ; i to shift + DEPD,Z %r5,%sar,64,%r5 ; l <<= i; + +$0000001A + DEPDI,Z -1,31,32,%r19 + EXTRD,U %r3,31,32,%r6 ; dh=(d&0xfff)>>32 + EXTRD,U %r3,63,32,%r8 ; dl = d&0xffffff + LDO 2(%r0),%r9 + STD %r3,-280(%r30) ; "d" to stack + +$0000001C + DEPDI,Z -1,63,32,%r29 ; + EXTRD,U %r4,31,32,%r31 ; h >> 32 + CMPB,*=,N %r31,%r6,$D2 ; if ((h>>32) != dh)(forward) div + COPY %r4,%r26 + EXTRD,U %r4,31,32,%r25 + COPY %r6,%r24 + .CALL ;in=23,24,25,26;out=20,21,22,28,29; (MILLICALL) + B,L $$div2U,%r2 + EXTRD,U %r6,31,32,%r23 + DEPD %r28,31,32,%r29 +$D2 + STD %r29,-272(%r30) ; q + AND %r5,%r19,%r24 ; t & 0xffffffff00000000; + EXTRD,U %r24,31,32,%r24 ; ??? + FLDD -272(%r30),%fr7 ; q + FLDD -280(%r30),%fr8 ; d + XMPYU %fr8L,%fr7L,%fr10 + FSTD %fr10,-256(%r30) + XMPYU %fr8L,%fr7R,%fr22 + FSTD %fr22,-264(%r30) + XMPYU %fr8R,%fr7L,%fr11 + XMPYU %fr8R,%fr7R,%fr23 + FSTD %fr11,-232(%r30) + FSTD %fr23,-240(%r30) + LDD -256(%r30),%r28 + DEPD,Z %r28,31,32,%r2 + LDD -264(%r30),%r20 + ADD,L %r20,%r2,%r31 + LDD -232(%r30),%r22 + DEPD,Z %r22,31,32,%r22 + LDD -240(%r30),%r21 + B $00000024 ; enter loop + ADD,L %r21,%r22,%r23 + +$0000002A + LDO -1(%r29),%r29 + SUB %r23,%r8,%r23 +$00000024 + SUB %r4,%r31,%r25 + AND %r25,%r19,%r26 + CMPB,*<>,N %r0,%r26,$00000046 ; (forward) + DEPD,Z %r25,31,32,%r20 + OR %r20,%r24,%r21 + CMPB,*<<,N %r21,%r23,$0000002A ;(backward) + SUB %r31,%r6,%r31 +;-------------Break path--------------------- + +$00000046 + DEPD,Z %r23,31,32,%r25 ;tl + EXTRD,U %r23,31,32,%r26 ;t + AND %r25,%r19,%r24 ;tl = (tl<<32)&0xfffffff0000000L + ADD,L %r31,%r26,%r31 ;th += t; + CMPCLR,*>>= %r5,%r24,%r0 ;if (l<tl) + LDO 1(%r31),%r31 ; th++; + CMPB,*<<=,N %r31,%r4,$00000036 ;if (n < th) (forward) + LDO -1(%r29),%r29 ;q--; + ADD,L %r4,%r3,%r4 ;h += d; +$00000036 + ADDIB,=,N -1,%r9,$D1 ;if (--count == 0) break (forward) + SUB %r5,%r24,%r28 ; l -= tl; + SUB %r4,%r31,%r24 ; h -= th; + SHRPD %r24,%r28,32,%r4 ; h = ((h<<32)|(l>>32)); + DEPD,Z %r29,31,32,%r10 ; ret = q<<32 + b $0000001C + DEPD,Z %r28,31,32,%r5 ; l = l << 32 + +$D1 + OR %r10,%r29,%r28 ; ret |= q +$D3 + LDD -368(%r30),%r2 +$D0 + LDD -296(%r30),%r10 + LDD -304(%r30),%r9 + LDD -312(%r30),%r8 + LDD -320(%r30),%r7 + LDD -328(%r30),%r6 + LDD -336(%r30),%r5 + LDD -344(%r30),%r4 + BVE (%r2) + .EXIT + LDD,MB -352(%r30),%r3 + +bn_div_err_case + MFIA %r6 + ADDIL L'bn_div_words-bn_div_err_case,%r6,%r1 + LDO R'bn_div_words-bn_div_err_case(%r1),%r6 + ADDIL LT'__iob,%r27,%r1 + LDD RT'__iob(%r1),%r26 + ADDIL L'C$4-bn_div_words,%r6,%r1 + LDO R'C$4-bn_div_words(%r1),%r25 + LDO 64(%r26),%r26 + .CALL ;in=24,25,26,29;out=28; + B,L fprintf,%r2 + LDO -48(%r30),%r29 + LDD -288(%r30),%r27 + .CALL ;in=29; + B,L abort,%r2 + LDO -48(%r30),%r29 + LDD -288(%r30),%r27 + B $D0 + LDD -368(%r30),%r2 + .PROCEND ;in=24,25,26,29;out=28; + +;---------------------------------------------------------------------------- +; +; Registers to hold 64-bit values to manipulate. The "L" part +; of the register corresponds to the upper 32-bits, while the "R" +; part corresponds to the lower 32-bits +; +; Note, that when using b6 and b7, the code must save these before +; using them because they are callee save registers +; +; +; Floating point registers to use to save values that +; are manipulated. These don't collide with ftemp1-6 and +; are all caller save registers +; +a0 .reg %fr22 +a0L .reg %fr22L +a0R .reg %fr22R + +a1 .reg %fr23 +a1L .reg %fr23L +a1R .reg %fr23R + +a2 .reg %fr24 +a2L .reg %fr24L +a2R .reg %fr24R + +a3 .reg %fr25 +a3L .reg %fr25L +a3R .reg %fr25R + +a4 .reg %fr26 +a4L .reg %fr26L +a4R .reg %fr26R + +a5 .reg %fr27 +a5L .reg %fr27L +a5R .reg %fr27R + +a6 .reg %fr28 +a6L .reg %fr28L +a6R .reg %fr28R + +a7 .reg %fr29 +a7L .reg %fr29L +a7R .reg %fr29R + +b0 .reg %fr30 +b0L .reg %fr30L +b0R .reg %fr30R + +b1 .reg %fr31 +b1L .reg %fr31L +b1R .reg %fr31R + +; +; Temporary floating point variables, these are all caller save +; registers +; +ftemp1 .reg %fr4 +ftemp2 .reg %fr5 +ftemp3 .reg %fr6 +ftemp4 .reg %fr7 + +; +; The B set of registers when used. +; + +b2 .reg %fr8 +b2L .reg %fr8L +b2R .reg %fr8R + +b3 .reg %fr9 +b3L .reg %fr9L +b3R .reg %fr9R + +b4 .reg %fr10 +b4L .reg %fr10L +b4R .reg %fr10R + +b5 .reg %fr11 +b5L .reg %fr11L +b5R .reg %fr11R + +b6 .reg %fr12 +b6L .reg %fr12L +b6R .reg %fr12R + +b7 .reg %fr13 +b7L .reg %fr13L +b7R .reg %fr13R + +c1 .reg %r21 ; only reg +temp1 .reg %r20 ; only reg +temp2 .reg %r19 ; only reg +temp3 .reg %r31 ; only reg + +m1 .reg %r28 +c2 .reg %r23 +high_one .reg %r1 +ht .reg %r6 +lt .reg %r5 +m .reg %r4 +c3 .reg %r3 + +SQR_ADD_C .macro A0L,A0R,C1,C2,C3 + XMPYU A0L,A0R,ftemp1 ; m + FSTD ftemp1,-24(%sp) ; store m + + XMPYU A0R,A0R,ftemp2 ; lt + FSTD ftemp2,-16(%sp) ; store lt + + XMPYU A0L,A0L,ftemp3 ; ht + FSTD ftemp3,-8(%sp) ; store ht + + LDD -24(%sp),m ; load m + AND m,high_mask,temp2 ; m & Mask + DEPD,Z m,30,31,temp3 ; m << 32+1 + LDD -16(%sp),lt ; lt + + LDD -8(%sp),ht ; ht + EXTRD,U temp2,32,33,temp1 ; temp1 = m&Mask >> 32-1 + ADD temp3,lt,lt ; lt = lt+m + ADD,L ht,temp1,ht ; ht += temp1 + ADD,DC ht,%r0,ht ; ht++ + + ADD C1,lt,C1 ; c1=c1+lt + ADD,DC ht,%r0,ht ; ht++ + + ADD C2,ht,C2 ; c2=c2+ht + ADD,DC C3,%r0,C3 ; c3++ +.endm + +SQR_ADD_C2 .macro A0L,A0R,A1L,A1R,C1,C2,C3 + XMPYU A0L,A1R,ftemp1 ; m1 = bl*ht + FSTD ftemp1,-16(%sp) ; + XMPYU A0R,A1L,ftemp2 ; m = bh*lt + FSTD ftemp2,-8(%sp) ; + XMPYU A0R,A1R,ftemp3 ; lt = bl*lt + FSTD ftemp3,-32(%sp) + XMPYU A0L,A1L,ftemp4 ; ht = bh*ht + FSTD ftemp4,-24(%sp) ; + + LDD -8(%sp),m ; r21 = m + LDD -16(%sp),m1 ; r19 = m1 + ADD,L m,m1,m ; m+m1 + + DEPD,Z m,31,32,temp3 ; (m+m1<<32) + LDD -24(%sp),ht ; r24 = ht + + CMPCLR,*>>= m,m1,%r0 ; if (m < m1) + ADD,L ht,high_one,ht ; ht+=high_one + + EXTRD,U m,31,32,temp1 ; m >> 32 + LDD -32(%sp),lt ; lt + ADD,L ht,temp1,ht ; ht+= m>>32 + ADD lt,temp3,lt ; lt = lt+m1 + ADD,DC ht,%r0,ht ; ht++ + + ADD ht,ht,ht ; ht=ht+ht; + ADD,DC C3,%r0,C3 ; add in carry (c3++) + + ADD lt,lt,lt ; lt=lt+lt; + ADD,DC ht,%r0,ht ; add in carry (ht++) + + ADD C1,lt,C1 ; c1=c1+lt + ADD,DC,*NUV ht,%r0,ht ; add in carry (ht++) + LDO 1(C3),C3 ; bump c3 if overflow,nullify otherwise + + ADD C2,ht,C2 ; c2 = c2 + ht + ADD,DC C3,%r0,C3 ; add in carry (c3++) +.endm + +; +;void bn_sqr_comba8(BN_ULONG *r, BN_ULONG *a) +; arg0 = r_ptr +; arg1 = a_ptr +; + +bn_sqr_comba8 + .PROC + .CALLINFO FRAME=128,ENTRY_GR=%r3,ARGS_SAVED,ORDERING_AWARE + .EXPORT bn_sqr_comba8,ENTRY,PRIV_LEV=3,NO_RELOCATION,LONG_RETURN + .ENTRY + .align 64 + + STD %r3,0(%sp) ; save r3 + STD %r4,8(%sp) ; save r4 + STD %r5,16(%sp) ; save r5 + STD %r6,24(%sp) ; save r6 + + ; + ; Zero out carries + ; + COPY %r0,c1 + COPY %r0,c2 + COPY %r0,c3 + + LDO 128(%sp),%sp ; bump stack + DEPDI,Z -1,32,33,high_mask ; Create Mask 0xffffffff80000000L + DEPDI,Z 1,31,1,high_one ; Create Value 1 << 32 + + ; + ; Load up all of the values we are going to use + ; + FLDD 0(a_ptr),a0 + FLDD 8(a_ptr),a1 + FLDD 16(a_ptr),a2 + FLDD 24(a_ptr),a3 + FLDD 32(a_ptr),a4 + FLDD 40(a_ptr),a5 + FLDD 48(a_ptr),a6 + FLDD 56(a_ptr),a7 + + SQR_ADD_C a0L,a0R,c1,c2,c3 + STD c1,0(r_ptr) ; r[0] = c1; + COPY %r0,c1 + + SQR_ADD_C2 a1L,a1R,a0L,a0R,c2,c3,c1 + STD c2,8(r_ptr) ; r[1] = c2; + COPY %r0,c2 + + SQR_ADD_C a1L,a1R,c3,c1,c2 + SQR_ADD_C2 a2L,a2R,a0L,a0R,c3,c1,c2 + STD c3,16(r_ptr) ; r[2] = c3; + COPY %r0,c3 + + SQR_ADD_C2 a3L,a3R,a0L,a0R,c1,c2,c3 + SQR_ADD_C2 a2L,a2R,a1L,a1R,c1,c2,c3 + STD c1,24(r_ptr) ; r[3] = c1; + COPY %r0,c1 + + SQR_ADD_C a2L,a2R,c2,c3,c1 + SQR_ADD_C2 a3L,a3R,a1L,a1R,c2,c3,c1 + SQR_ADD_C2 a4L,a4R,a0L,a0R,c2,c3,c1 + STD c2,32(r_ptr) ; r[4] = c2; + COPY %r0,c2 + + SQR_ADD_C2 a5L,a5R,a0L,a0R,c3,c1,c2 + SQR_ADD_C2 a4L,a4R,a1L,a1R,c3,c1,c2 + SQR_ADD_C2 a3L,a3R,a2L,a2R,c3,c1,c2 + STD c3,40(r_ptr) ; r[5] = c3; + COPY %r0,c3 + + SQR_ADD_C a3L,a3R,c1,c2,c3 + SQR_ADD_C2 a4L,a4R,a2L,a2R,c1,c2,c3 + SQR_ADD_C2 a5L,a5R,a1L,a1R,c1,c2,c3 + SQR_ADD_C2 a6L,a6R,a0L,a0R,c1,c2,c3 + STD c1,48(r_ptr) ; r[6] = c1; + COPY %r0,c1 + + SQR_ADD_C2 a7L,a7R,a0L,a0R,c2,c3,c1 + SQR_ADD_C2 a6L,a6R,a1L,a1R,c2,c3,c1 + SQR_ADD_C2 a5L,a5R,a2L,a2R,c2,c3,c1 + SQR_ADD_C2 a4L,a4R,a3L,a3R,c2,c3,c1 + STD c2,56(r_ptr) ; r[7] = c2; + COPY %r0,c2 + + SQR_ADD_C a4L,a4R,c3,c1,c2 + SQR_ADD_C2 a5L,a5R,a3L,a3R,c3,c1,c2 + SQR_ADD_C2 a6L,a6R,a2L,a2R,c3,c1,c2 + SQR_ADD_C2 a7L,a7R,a1L,a1R,c3,c1,c2 + STD c3,64(r_ptr) ; r[8] = c3; + COPY %r0,c3 + + SQR_ADD_C2 a7L,a7R,a2L,a2R,c1,c2,c3 + SQR_ADD_C2 a6L,a6R,a3L,a3R,c1,c2,c3 + SQR_ADD_C2 a5L,a5R,a4L,a4R,c1,c2,c3 + STD c1,72(r_ptr) ; r[9] = c1; + COPY %r0,c1 + + SQR_ADD_C a5L,a5R,c2,c3,c1 + SQR_ADD_C2 a6L,a6R,a4L,a4R,c2,c3,c1 + SQR_ADD_C2 a7L,a7R,a3L,a3R,c2,c3,c1 + STD c2,80(r_ptr) ; r[10] = c2; + COPY %r0,c2 + + SQR_ADD_C2 a7L,a7R,a4L,a4R,c3,c1,c2 + SQR_ADD_C2 a6L,a6R,a5L,a5R,c3,c1,c2 + STD c3,88(r_ptr) ; r[11] = c3; + COPY %r0,c3 + + SQR_ADD_C a6L,a6R,c1,c2,c3 + SQR_ADD_C2 a7L,a7R,a5L,a5R,c1,c2,c3 + STD c1,96(r_ptr) ; r[12] = c1; + COPY %r0,c1 + + SQR_ADD_C2 a7L,a7R,a6L,a6R,c2,c3,c1 + STD c2,104(r_ptr) ; r[13] = c2; + COPY %r0,c2 + + SQR_ADD_C a7L,a7R,c3,c1,c2 + STD c3, 112(r_ptr) ; r[14] = c3 + STD c1, 120(r_ptr) ; r[15] = c1 + + .EXIT + LDD -104(%sp),%r6 ; restore r6 + LDD -112(%sp),%r5 ; restore r5 + LDD -120(%sp),%r4 ; restore r4 + BVE (%rp) + LDD,MB -128(%sp),%r3 + + .PROCEND + +;----------------------------------------------------------------------------- +; +;void bn_sqr_comba4(BN_ULONG *r, BN_ULONG *a) +; arg0 = r_ptr +; arg1 = a_ptr +; + +bn_sqr_comba4 + .proc + .callinfo FRAME=128,ENTRY_GR=%r3,ARGS_SAVED,ORDERING_AWARE + .EXPORT bn_sqr_comba4,ENTRY,PRIV_LEV=3,NO_RELOCATION,LONG_RETURN + .entry + .align 64 + STD %r3,0(%sp) ; save r3 + STD %r4,8(%sp) ; save r4 + STD %r5,16(%sp) ; save r5 + STD %r6,24(%sp) ; save r6 + + ; + ; Zero out carries + ; + COPY %r0,c1 + COPY %r0,c2 + COPY %r0,c3 + + LDO 128(%sp),%sp ; bump stack + DEPDI,Z -1,32,33,high_mask ; Create Mask 0xffffffff80000000L + DEPDI,Z 1,31,1,high_one ; Create Value 1 << 32 + + ; + ; Load up all of the values we are going to use + ; + FLDD 0(a_ptr),a0 + FLDD 8(a_ptr),a1 + FLDD 16(a_ptr),a2 + FLDD 24(a_ptr),a3 + FLDD 32(a_ptr),a4 + FLDD 40(a_ptr),a5 + FLDD 48(a_ptr),a6 + FLDD 56(a_ptr),a7 + + SQR_ADD_C a0L,a0R,c1,c2,c3 + + STD c1,0(r_ptr) ; r[0] = c1; + COPY %r0,c1 + + SQR_ADD_C2 a1L,a1R,a0L,a0R,c2,c3,c1 + + STD c2,8(r_ptr) ; r[1] = c2; + COPY %r0,c2 + + SQR_ADD_C a1L,a1R,c3,c1,c2 + SQR_ADD_C2 a2L,a2R,a0L,a0R,c3,c1,c2 + + STD c3,16(r_ptr) ; r[2] = c3; + COPY %r0,c3 + + SQR_ADD_C2 a3L,a3R,a0L,a0R,c1,c2,c3 + SQR_ADD_C2 a2L,a2R,a1L,a1R,c1,c2,c3 + + STD c1,24(r_ptr) ; r[3] = c1; + COPY %r0,c1 + + SQR_ADD_C a2L,a2R,c2,c3,c1 + SQR_ADD_C2 a3L,a3R,a1L,a1R,c2,c3,c1 + + STD c2,32(r_ptr) ; r[4] = c2; + COPY %r0,c2 + + SQR_ADD_C2 a3L,a3R,a2L,a2R,c3,c1,c2 + STD c3,40(r_ptr) ; r[5] = c3; + COPY %r0,c3 + + SQR_ADD_C a3L,a3R,c1,c2,c3 + STD c1,48(r_ptr) ; r[6] = c1; + STD c2,56(r_ptr) ; r[7] = c2; + + .EXIT + LDD -104(%sp),%r6 ; restore r6 + LDD -112(%sp),%r5 ; restore r5 + LDD -120(%sp),%r4 ; restore r4 + BVE (%rp) + LDD,MB -128(%sp),%r3 + + .PROCEND + + +;--------------------------------------------------------------------------- + +MUL_ADD_C .macro A0L,A0R,B0L,B0R,C1,C2,C3 + XMPYU A0L,B0R,ftemp1 ; m1 = bl*ht + FSTD ftemp1,-16(%sp) ; + XMPYU A0R,B0L,ftemp2 ; m = bh*lt + FSTD ftemp2,-8(%sp) ; + XMPYU A0R,B0R,ftemp3 ; lt = bl*lt + FSTD ftemp3,-32(%sp) + XMPYU A0L,B0L,ftemp4 ; ht = bh*ht + FSTD ftemp4,-24(%sp) ; + + LDD -8(%sp),m ; r21 = m + LDD -16(%sp),m1 ; r19 = m1 + ADD,L m,m1,m ; m+m1 + + DEPD,Z m,31,32,temp3 ; (m+m1<<32) + LDD -24(%sp),ht ; r24 = ht + + CMPCLR,*>>= m,m1,%r0 ; if (m < m1) + ADD,L ht,high_one,ht ; ht+=high_one + + EXTRD,U m,31,32,temp1 ; m >> 32 + LDD -32(%sp),lt ; lt + ADD,L ht,temp1,ht ; ht+= m>>32 + ADD lt,temp3,lt ; lt = lt+m1 + ADD,DC ht,%r0,ht ; ht++ + + ADD C1,lt,C1 ; c1=c1+lt + ADD,DC ht,%r0,ht ; bump c3 if overflow,nullify otherwise + + ADD C2,ht,C2 ; c2 = c2 + ht + ADD,DC C3,%r0,C3 ; add in carry (c3++) +.endm + + +; +;void bn_mul_comba8(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b) +; arg0 = r_ptr +; arg1 = a_ptr +; arg2 = b_ptr +; + +bn_mul_comba8 + .proc + .callinfo FRAME=128,ENTRY_GR=%r3,ARGS_SAVED,ORDERING_AWARE + .EXPORT bn_mul_comba8,ENTRY,PRIV_LEV=3,NO_RELOCATION,LONG_RETURN + .entry + .align 64 + + STD %r3,0(%sp) ; save r3 + STD %r4,8(%sp) ; save r4 + STD %r5,16(%sp) ; save r5 + STD %r6,24(%sp) ; save r6 + FSTD %fr12,32(%sp) ; save r6 + FSTD %fr13,40(%sp) ; save r7 + + ; + ; Zero out carries + ; + COPY %r0,c1 + COPY %r0,c2 + COPY %r0,c3 + + LDO 128(%sp),%sp ; bump stack + DEPDI,Z 1,31,1,high_one ; Create Value 1 << 32 + + ; + ; Load up all of the values we are going to use + ; + FLDD 0(a_ptr),a0 + FLDD 8(a_ptr),a1 + FLDD 16(a_ptr),a2 + FLDD 24(a_ptr),a3 + FLDD 32(a_ptr),a4 + FLDD 40(a_ptr),a5 + FLDD 48(a_ptr),a6 + FLDD 56(a_ptr),a7 + + FLDD 0(b_ptr),b0 + FLDD 8(b_ptr),b1 + FLDD 16(b_ptr),b2 + FLDD 24(b_ptr),b3 + FLDD 32(b_ptr),b4 + FLDD 40(b_ptr),b5 + FLDD 48(b_ptr),b6 + FLDD 56(b_ptr),b7 + + MUL_ADD_C a0L,a0R,b0L,b0R,c1,c2,c3 + STD c1,0(r_ptr) + COPY %r0,c1 + + MUL_ADD_C a0L,a0R,b1L,b1R,c2,c3,c1 + MUL_ADD_C a1L,a1R,b0L,b0R,c2,c3,c1 + STD c2,8(r_ptr) + COPY %r0,c2 + + MUL_ADD_C a2L,a2R,b0L,b0R,c3,c1,c2 + MUL_ADD_C a1L,a1R,b1L,b1R,c3,c1,c2 + MUL_ADD_C a0L,a0R,b2L,b2R,c3,c1,c2 + STD c3,16(r_ptr) + COPY %r0,c3 + + MUL_ADD_C a0L,a0R,b3L,b3R,c1,c2,c3 + MUL_ADD_C a1L,a1R,b2L,b2R,c1,c2,c3 + MUL_ADD_C a2L,a2R,b1L,b1R,c1,c2,c3 + MUL_ADD_C a3L,a3R,b0L,b0R,c1,c2,c3 + STD c1,24(r_ptr) + COPY %r0,c1 + + MUL_ADD_C a4L,a4R,b0L,b0R,c2,c3,c1 + MUL_ADD_C a3L,a3R,b1L,b1R,c2,c3,c1 + MUL_ADD_C a2L,a2R,b2L,b2R,c2,c3,c1 + MUL_ADD_C a1L,a1R,b3L,b3R,c2,c3,c1 + MUL_ADD_C a0L,a0R,b4L,b4R,c2,c3,c1 + STD c2,32(r_ptr) + COPY %r0,c2 + + MUL_ADD_C a0L,a0R,b5L,b5R,c3,c1,c2 + MUL_ADD_C a1L,a1R,b4L,b4R,c3,c1,c2 + MUL_ADD_C a2L,a2R,b3L,b3R,c3,c1,c2 + MUL_ADD_C a3L,a3R,b2L,b2R,c3,c1,c2 + MUL_ADD_C a4L,a4R,b1L,b1R,c3,c1,c2 + MUL_ADD_C a5L,a5R,b0L,b0R,c3,c1,c2 + STD c3,40(r_ptr) + COPY %r0,c3 + + MUL_ADD_C a6L,a6R,b0L,b0R,c1,c2,c3 + MUL_ADD_C a5L,a5R,b1L,b1R,c1,c2,c3 + MUL_ADD_C a4L,a4R,b2L,b2R,c1,c2,c3 + MUL_ADD_C a3L,a3R,b3L,b3R,c1,c2,c3 + MUL_ADD_C a2L,a2R,b4L,b4R,c1,c2,c3 + MUL_ADD_C a1L,a1R,b5L,b5R,c1,c2,c3 + MUL_ADD_C a0L,a0R,b6L,b6R,c1,c2,c3 + STD c1,48(r_ptr) + COPY %r0,c1 + + MUL_ADD_C a0L,a0R,b7L,b7R,c2,c3,c1 + MUL_ADD_C a1L,a1R,b6L,b6R,c2,c3,c1 + MUL_ADD_C a2L,a2R,b5L,b5R,c2,c3,c1 + MUL_ADD_C a3L,a3R,b4L,b4R,c2,c3,c1 + MUL_ADD_C a4L,a4R,b3L,b3R,c2,c3,c1 + MUL_ADD_C a5L,a5R,b2L,b2R,c2,c3,c1 + MUL_ADD_C a6L,a6R,b1L,b1R,c2,c3,c1 + MUL_ADD_C a7L,a7R,b0L,b0R,c2,c3,c1 + STD c2,56(r_ptr) + COPY %r0,c2 + + MUL_ADD_C a7L,a7R,b1L,b1R,c3,c1,c2 + MUL_ADD_C a6L,a6R,b2L,b2R,c3,c1,c2 + MUL_ADD_C a5L,a5R,b3L,b3R,c3,c1,c2 + MUL_ADD_C a4L,a4R,b4L,b4R,c3,c1,c2 + MUL_ADD_C a3L,a3R,b5L,b5R,c3,c1,c2 + MUL_ADD_C a2L,a2R,b6L,b6R,c3,c1,c2 + MUL_ADD_C a1L,a1R,b7L,b7R,c3,c1,c2 + STD c3,64(r_ptr) + COPY %r0,c3 + + MUL_ADD_C a2L,a2R,b7L,b7R,c1,c2,c3 + MUL_ADD_C a3L,a3R,b6L,b6R,c1,c2,c3 + MUL_ADD_C a4L,a4R,b5L,b5R,c1,c2,c3 + MUL_ADD_C a5L,a5R,b4L,b4R,c1,c2,c3 + MUL_ADD_C a6L,a6R,b3L,b3R,c1,c2,c3 + MUL_ADD_C a7L,a7R,b2L,b2R,c1,c2,c3 + STD c1,72(r_ptr) + COPY %r0,c1 + + MUL_ADD_C a7L,a7R,b3L,b3R,c2,c3,c1 + MUL_ADD_C a6L,a6R,b4L,b4R,c2,c3,c1 + MUL_ADD_C a5L,a5R,b5L,b5R,c2,c3,c1 + MUL_ADD_C a4L,a4R,b6L,b6R,c2,c3,c1 + MUL_ADD_C a3L,a3R,b7L,b7R,c2,c3,c1 + STD c2,80(r_ptr) + COPY %r0,c2 + + MUL_ADD_C a4L,a4R,b7L,b7R,c3,c1,c2 + MUL_ADD_C a5L,a5R,b6L,b6R,c3,c1,c2 + MUL_ADD_C a6L,a6R,b5L,b5R,c3,c1,c2 + MUL_ADD_C a7L,a7R,b4L,b4R,c3,c1,c2 + STD c3,88(r_ptr) + COPY %r0,c3 + + MUL_ADD_C a7L,a7R,b5L,b5R,c1,c2,c3 + MUL_ADD_C a6L,a6R,b6L,b6R,c1,c2,c3 + MUL_ADD_C a5L,a5R,b7L,b7R,c1,c2,c3 + STD c1,96(r_ptr) + COPY %r0,c1 + + MUL_ADD_C a6L,a6R,b7L,b7R,c2,c3,c1 + MUL_ADD_C a7L,a7R,b6L,b6R,c2,c3,c1 + STD c2,104(r_ptr) + COPY %r0,c2 + + MUL_ADD_C a7L,a7R,b7L,b7R,c3,c1,c2 + STD c3,112(r_ptr) + STD c1,120(r_ptr) + + .EXIT + FLDD -88(%sp),%fr13 + FLDD -96(%sp),%fr12 + LDD -104(%sp),%r6 ; restore r6 + LDD -112(%sp),%r5 ; restore r5 + LDD -120(%sp),%r4 ; restore r4 + BVE (%rp) + LDD,MB -128(%sp),%r3 + + .PROCEND + +;----------------------------------------------------------------------------- +; +;void bn_mul_comba4(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b) +; arg0 = r_ptr +; arg1 = a_ptr +; arg2 = b_ptr +; + +bn_mul_comba4 + .proc + .callinfo FRAME=128,ENTRY_GR=%r3,ARGS_SAVED,ORDERING_AWARE + .EXPORT bn_mul_comba4,ENTRY,PRIV_LEV=3,NO_RELOCATION,LONG_RETURN + .entry + .align 64 + + STD %r3,0(%sp) ; save r3 + STD %r4,8(%sp) ; save r4 + STD %r5,16(%sp) ; save r5 + STD %r6,24(%sp) ; save r6 + FSTD %fr12,32(%sp) ; save r6 + FSTD %fr13,40(%sp) ; save r7 + + ; + ; Zero out carries + ; + COPY %r0,c1 + COPY %r0,c2 + COPY %r0,c3 + + LDO 128(%sp),%sp ; bump stack + DEPDI,Z 1,31,1,high_one ; Create Value 1 << 32 + + ; + ; Load up all of the values we are going to use + ; + FLDD 0(a_ptr),a0 + FLDD 8(a_ptr),a1 + FLDD 16(a_ptr),a2 + FLDD 24(a_ptr),a3 + + FLDD 0(b_ptr),b0 + FLDD 8(b_ptr),b1 + FLDD 16(b_ptr),b2 + FLDD 24(b_ptr),b3 + + MUL_ADD_C a0L,a0R,b0L,b0R,c1,c2,c3 + STD c1,0(r_ptr) + COPY %r0,c1 + + MUL_ADD_C a0L,a0R,b1L,b1R,c2,c3,c1 + MUL_ADD_C a1L,a1R,b0L,b0R,c2,c3,c1 + STD c2,8(r_ptr) + COPY %r0,c2 + + MUL_ADD_C a2L,a2R,b0L,b0R,c3,c1,c2 + MUL_ADD_C a1L,a1R,b1L,b1R,c3,c1,c2 + MUL_ADD_C a0L,a0R,b2L,b2R,c3,c1,c2 + STD c3,16(r_ptr) + COPY %r0,c3 + + MUL_ADD_C a0L,a0R,b3L,b3R,c1,c2,c3 + MUL_ADD_C a1L,a1R,b2L,b2R,c1,c2,c3 + MUL_ADD_C a2L,a2R,b1L,b1R,c1,c2,c3 + MUL_ADD_C a3L,a3R,b0L,b0R,c1,c2,c3 + STD c1,24(r_ptr) + COPY %r0,c1 + + MUL_ADD_C a3L,a3R,b1L,b1R,c2,c3,c1 + MUL_ADD_C a2L,a2R,b2L,b2R,c2,c3,c1 + MUL_ADD_C a1L,a1R,b3L,b3R,c2,c3,c1 + STD c2,32(r_ptr) + COPY %r0,c2 + + MUL_ADD_C a2L,a2R,b3L,b3R,c3,c1,c2 + MUL_ADD_C a3L,a3R,b2L,b2R,c3,c1,c2 + STD c3,40(r_ptr) + COPY %r0,c3 + + MUL_ADD_C a3L,a3R,b3L,b3R,c1,c2,c3 + STD c1,48(r_ptr) + STD c2,56(r_ptr) + + .EXIT + FLDD -88(%sp),%fr13 + FLDD -96(%sp),%fr12 + LDD -104(%sp),%r6 ; restore r6 + LDD -112(%sp),%r5 ; restore r5 + LDD -120(%sp),%r4 ; restore r4 + BVE (%rp) + LDD,MB -128(%sp),%r3 + + .PROCEND + + + .SPACE $TEXT$ + .SUBSPA $CODE$ + .SPACE $PRIVATE$,SORT=16 + .IMPORT $global$,DATA + .SPACE $TEXT$ + .SUBSPA $CODE$ + .SUBSPA $LIT$,ACCESS=0x2c +C$4 + .ALIGN 8 + .STRINGZ "Division would overflow (%d)\n" + .END |