X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fbn%2Fasm%2Fpa-risc2.s;h=f3b16290eb042abbe913c8fc5a8444397f7da8b6;hp=c2725996a4502b8095d5a4eb9dd52f3821f24c2f;hb=98939a05b6884538ba40fae2606291140f9e5839;hpb=78414a6a897db42c9bcf06aa21c705811ab33921 diff --git a/crypto/bn/asm/pa-risc2.s b/crypto/bn/asm/pa-risc2.s index c2725996a4..f3b16290eb 100644 --- a/crypto/bn/asm/pa-risc2.s +++ b/crypto/bn/asm/pa-risc2.s @@ -1,416 +1,1618 @@ - .SPACE $PRIVATE$ - .SUBSPA $DATA$,QUAD=1,ALIGN=8,ACCESS=31 - .SUBSPA $BSS$,QUAD=1,ALIGN=8,ACCESS=31,ZERO,SORT=82 - .SPACE $TEXT$ - .SUBSPA $LIT$,QUAD=0,ALIGN=8,ACCESS=44 - .SUBSPA $CODE$,QUAD=0,ALIGN=8,ACCESS=44,CODE_ONLY - .IMPORT $global$,DATA - .IMPORT $$dyncall,MILLICODE -; gcc_compiled.: - .SPACE $TEXT$ - .SUBSPA $CODE$ - - .align 4 - .EXPORT bn_mul_add_words,ENTRY,PRIV_LEV=3,ARGW0=GR,ARGW1=GR,ARGW2=GR,ARGW3=GR,RTNVAL=GR +; +; PA-RISC 2.0 implementation of bn_asm code, based on the +; 64-bit version of the code. This code is effectively the +; same as the 64-bit version except the register model is +; slightly different given all values must be 32-bit between +; function calls. Thus the 64-bit return values are returned +; in %ret0 and %ret1 vs just %ret0 as is done in 64-bit +; +; +; 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 2.0N + .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 32-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,r29 (ret0,ret1) +; Stack pointer ; r30 (sp) +; 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 +n .reg %r23 + +; +; Note that the "w" argument for bn_mul_add_words and bn_mul_words +; is passed on the stack at a delta of -56 from the top of stack +; as the routine is entered. +; + +; +; Globals used in some routines +; + +top_overflow .reg %r23 +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 +; arg3 = num +; -56(sp) = 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 - .PROC - .CALLINFO FRAME=64,CALLS,SAVE_RP,ENTRY_GR=4 - .ENTRY - stw %r2,-20(0,%r30) - stwm %r4,64(0,%r30) - copy %r24,%r31 - stw %r3,-60(0,%r30) - ldi 0,%r20 - ldo 12(%r26),%r2 - stw %r23,-16(0,%r30) - copy %r25,%r3 - ldo 12(%r3),%r1 - fldws -16(0,%r30),%fr8L -L$0010 - copy %r20,%r25 - ldi 0,%r24 - fldws 0(0,%r3),%fr9L - ldw 0(0,%r26),%r19 - xmpyu %fr8L,%fr9L,%fr9 - fstds %fr9,-16(0,%r30) - copy %r19,%r23 - ldw -16(0,%r30),%r28 - ldw -12(0,%r30),%r29 - ldi 0,%r22 - add %r23,%r29,%r29 - addc %r22,%r28,%r28 - add %r25,%r29,%r29 - addc %r24,%r28,%r28 - copy %r28,%r21 - ldi 0,%r20 - copy %r21,%r20 - addib,= -1,%r31,L$0011 - stw %r29,0(0,%r26) - copy %r20,%r25 - ldi 0,%r24 - fldws -8(0,%r1),%fr9L - ldw -8(0,%r2),%r19 - xmpyu %fr8L,%fr9L,%fr9 - fstds %fr9,-16(0,%r30) - copy %r19,%r23 - ldw -16(0,%r30),%r28 - ldw -12(0,%r30),%r29 - ldi 0,%r22 - add %r23,%r29,%r29 - addc %r22,%r28,%r28 - add %r25,%r29,%r29 - addc %r24,%r28,%r28 - copy %r28,%r21 - ldi 0,%r20 - copy %r21,%r20 - addib,= -1,%r31,L$0011 - stw %r29,-8(0,%r2) - copy %r20,%r25 - ldi 0,%r24 - fldws -4(0,%r1),%fr9L - ldw -4(0,%r2),%r19 - xmpyu %fr8L,%fr9L,%fr9 - fstds %fr9,-16(0,%r30) - copy %r19,%r23 - ldw -16(0,%r30),%r28 - ldw -12(0,%r30),%r29 - ldi 0,%r22 - add %r23,%r29,%r29 - addc %r22,%r28,%r28 - add %r25,%r29,%r29 - addc %r24,%r28,%r28 - copy %r28,%r21 - ldi 0,%r20 - copy %r21,%r20 - addib,= -1,%r31,L$0011 - stw %r29,-4(0,%r2) - copy %r20,%r25 - ldi 0,%r24 - fldws 0(0,%r1),%fr9L - ldw 0(0,%r2),%r19 - xmpyu %fr8L,%fr9L,%fr9 - fstds %fr9,-16(0,%r30) - copy %r19,%r23 - ldw -16(0,%r30),%r28 - ldw -12(0,%r30),%r29 - ldi 0,%r22 - add %r23,%r29,%r29 - addc %r22,%r28,%r28 - add %r25,%r29,%r29 - addc %r24,%r28,%r28 - copy %r28,%r21 - ldi 0,%r20 - copy %r21,%r20 - addib,= -1,%r31,L$0011 - stw %r29,0(0,%r2) - ldo 16(%r1),%r1 - ldo 16(%r3),%r3 - ldo 16(%r2),%r2 - bl L$0010,0 - ldo 16(%r26),%r26 -L$0011 - copy %r20,%r28 - ldw -84(0,%r30),%r2 - ldw -60(0,%r30),%r3 - bv 0(%r2) - ldwm -64(0,%r30),%r4 - .EXIT - .PROCEND - .align 4 - .EXPORT bn_mul_words,ENTRY,PRIV_LEV=3,ARGW0=GR,ARGW1=GR,ARGW2=GR,ARGW3=GR,RTNVAL=GR + .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 + NOP + 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,%ret1 ; return 0 by default + DEPDI,Z 1,31,1,top_overflow ; top_overflow = 1 << 32 + + 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 -184(%sp),fw ; (-56-128) load up w into 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 %ret1,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,%ret1 ; 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 %ret1,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,%ret1 ; ht++ + STD lt_0,0(r_ptr) ; rp[0] = lt + +bn_mul_add_words_exit + .EXIT + + EXTRD,U %ret1,31,32,%ret0 ; for 32-bit, return in ret0/ret1 + 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 +; arg3 = num +; w on stack at -56(sp) + bn_mul_words - .PROC - .CALLINFO FRAME=64,CALLS,SAVE_RP,ENTRY_GR=3 - .ENTRY - stw %r2,-20(0,%r30) - copy %r25,%r2 - stwm %r4,64(0,%r30) - copy %r24,%r19 - ldi 0,%r28 - stw %r23,-16(0,%r30) - ldo 12(%r26),%r31 - ldo 12(%r2),%r29 - fldws -16(0,%r30),%fr8L -L$0026 - fldws 0(0,%r2),%fr9L - xmpyu %fr8L,%fr9L,%fr9 - fstds %fr9,-16(0,%r30) - copy %r28,%r21 - ldi 0,%r20 - ldw -16(0,%r30),%r24 - ldw -12(0,%r30),%r25 - add %r21,%r25,%r25 - addc %r20,%r24,%r24 - copy %r24,%r23 - ldi 0,%r22 - copy %r23,%r28 - addib,= -1,%r19,L$0027 - stw %r25,0(0,%r26) - fldws -8(0,%r29),%fr9L - xmpyu %fr8L,%fr9L,%fr9 - fstds %fr9,-16(0,%r30) - copy %r28,%r21 - ldi 0,%r20 - ldw -16(0,%r30),%r24 - ldw -12(0,%r30),%r25 - add %r21,%r25,%r25 - addc %r20,%r24,%r24 - copy %r24,%r23 - ldi 0,%r22 - copy %r23,%r28 - addib,= -1,%r19,L$0027 - stw %r25,-8(0,%r31) - fldws -4(0,%r29),%fr9L - xmpyu %fr8L,%fr9L,%fr9 - fstds %fr9,-16(0,%r30) - copy %r28,%r21 - ldi 0,%r20 - ldw -16(0,%r30),%r24 - ldw -12(0,%r30),%r25 - add %r21,%r25,%r25 - addc %r20,%r24,%r24 - copy %r24,%r23 - ldi 0,%r22 - copy %r23,%r28 - addib,= -1,%r19,L$0027 - stw %r25,-4(0,%r31) - fldws 0(0,%r29),%fr9L - xmpyu %fr8L,%fr9L,%fr9 - fstds %fr9,-16(0,%r30) - copy %r28,%r21 - ldi 0,%r20 - ldw -16(0,%r30),%r24 - ldw -12(0,%r30),%r25 - add %r21,%r25,%r25 - addc %r20,%r24,%r24 - copy %r24,%r23 - ldi 0,%r22 - copy %r23,%r28 - addib,= -1,%r19,L$0027 - stw %r25,0(0,%r31) - ldo 16(%r29),%r29 - ldo 16(%r2),%r2 - ldo 16(%r31),%r31 - bl L$0026,0 - ldo 16(%r26),%r26 -L$0027 - ldw -84(0,%r30),%r2 - bv 0(%r2) - ldwm -64(0,%r30),%r4 - .EXIT - .PROCEND - .align 4 - .EXPORT bn_sqr_words,ENTRY,PRIV_LEV=3,ARGW0=GR,ARGW1=GR,ARGW2=GR + .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 + NOP + STD %r5,16(%sp) ; save r5 + + STD %r6,24(%sp) ; save r6 + STD %r7,32(%sp) ; save r7 + COPY %r0,%ret1 ; return 0 by default + DEPDI,Z 1,31,1,top_overflow ; top_overflow = 1 << 32 + + 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 -184(%sp),fw ; (-56-128) load up w into 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 %ret1,lt_0,lt_0 ; lt = lt + c (ret1); + 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,%ret1 ; 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 %ret1,lt_0,lt_0 ; lt = lt + c; + ADD,DC ht_0,%r0,ht_0 ; ht++ + + COPY ht_0,%ret1 ; copy carry + STD lt_0,0(r_ptr) ; rp[0] = lt + +bn_mul_words_exit + .EXIT + EXTRD,U %ret1,31,32,%ret0 ; for 32-bit, return in ret0/ret1 + 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 + +;---------------------------------------------------------------------------- +; +;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,%ret1 ; 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,%ret1,t ; t = t+c; + ADD,DC %r0,%r0,%ret1 ; set c to carry + ADD t,b,l ; l = t + b[0] + ADD,DC %ret1,%r0,%ret1 ; c+= carry + STD l,0(r_ptr) + + LDD 8(a_ptr),t + LDD 8(b_ptr),b + ADD t,%ret1,t ; t = t+c; + ADD,DC %r0,%r0,%ret1 ; set c to carry + ADD t,b,l ; l = t + b[0] + ADD,DC %ret1,%r0,%ret1 ; 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,%ret1,t ; t = t+c; + ADD,DC %r0,%r0,%ret1 ; set c to carry (could use CMPCLR??) + ADD t,b,l ; l = t + b[0] + ADD,DC %ret1,%r0,%ret1 ; c+= carry + STD l,0(r_ptr) + +bn_add_words_exit + .EXIT + BVE (%rp) + EXTRD,U %ret1,31,32,%ret0 ; for 32-bit, return in ret0/ret1 + .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,%ret1 ; 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,%ret1,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,%ret1 + 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,%ret1,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,%ret1 + 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,%ret1,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,%ret1 + + STD sub_tmp1,0(r_ptr) + +bn_sub_words_exit + .EXIT + BVE (%rp) + EXTRD,U %ret1,31,32,%ret0 ; for 32-bit, return in ret0/ret1 + .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 output from the HP C compiler. +; +;------------------------------------------------------------------------------ +bn_div_words .PROC - .CALLINFO FRAME=0,NO_CALLS - .ENTRY - ldo 28(%r26),%r19 - ldo 12(%r25),%r28 -L$0042 - fldws 0(0,%r25),%fr8L - fldws 0(0,%r25),%fr8R - xmpyu %fr8L,%fr8R,%fr8 - fstds %fr8,-16(0,%r30) - ldw -16(0,%r30),%r22 - ldw -12(0,%r30),%r23 - stw %r23,0(0,%r26) - copy %r22,%r21 - ldi 0,%r20 - addib,= -1,%r24,L$0049 - stw %r21,-24(0,%r19) - fldws -8(0,%r28),%fr8L - fldws -8(0,%r28),%fr8R - xmpyu %fr8L,%fr8R,%fr8 - fstds %fr8,-16(0,%r30) - ldw -16(0,%r30),%r22 - ldw -12(0,%r30),%r23 - stw %r23,-20(0,%r19) - copy %r22,%r21 - ldi 0,%r20 - addib,= -1,%r24,L$0049 - stw %r21,-16(0,%r19) - fldws -4(0,%r28),%fr8L - fldws -4(0,%r28),%fr8R - xmpyu %fr8L,%fr8R,%fr8 - fstds %fr8,-16(0,%r30) - ldw -16(0,%r30),%r22 - ldw -12(0,%r30),%r23 - stw %r23,-12(0,%r19) - copy %r22,%r21 - ldi 0,%r20 - addib,= -1,%r24,L$0049 - stw %r21,-8(0,%r19) - fldws 0(0,%r28),%fr8L - fldws 0(0,%r28),%fr8R - xmpyu %fr8L,%fr8R,%fr8 - fstds %fr8,-16(0,%r30) - ldw -16(0,%r30),%r22 - ldw -12(0,%r30),%r23 - stw %r23,-4(0,%r19) - copy %r22,%r21 - ldi 0,%r20 - addib,= -1,%r24,L$0049 - stw %r21,0(0,%r19) - ldo 16(%r28),%r28 - ldo 16(%r25),%r25 - ldo 32(%r19),%r19 - bl L$0042,0 - ldo 32(%r26),%r26 -L$0049 - bv,n 0(%r2) - .EXIT - .PROCEND - .IMPORT BN_num_bits_word,CODE - .IMPORT fprintf,CODE - .IMPORT __iob,DATA - .SPACE $TEXT$ - .SUBSPA $LIT$ - - .align 4 -L$C0000 - .STRING "Division would overflow (%d)\x0a\x00" - .IMPORT abort,CODE - .SPACE $TEXT$ - .SUBSPA $CODE$ - - .align 4 - .EXPORT bn_div64,ENTRY,PRIV_LEV=3,ARGW0=GR,ARGW1=GR,ARGW2=GR,RTNVAL=GR -bn_div64 + .EXPORT bn_div_words,ENTRY,PRIV_LEV=3,ARGW0=GR,ARGW1=GR,ARGW2=GR,ARGW3=GR,RTNVAL=GR,LONG_RETURN + .IMPORT BN_num_bits_word,CODE + ;--- not PIC .IMPORT __iob,DATA + ;--- not PIC .IMPORT fprintf,CODE + .IMPORT abort,CODE + .IMPORT $$div2U,MILLICODE + .CALLINFO CALLER,FRAME=144,ENTRY_GR=%r9,SAVE_RP,ARGS_SAVED,ORDERING_AWARE + .ENTRY + STW %r2,-20(%r30) ;offset 0x8ec + STW,MA %r3,192(%r30) ;offset 0x8f0 + STW %r4,-188(%r30) ;offset 0x8f4 + DEPD %r5,31,32,%r6 ;offset 0x8f8 + STD %r6,-184(%r30) ;offset 0x8fc + DEPD %r7,31,32,%r8 ;offset 0x900 + STD %r8,-176(%r30) ;offset 0x904 + STW %r9,-168(%r30) ;offset 0x908 + LDD -248(%r30),%r3 ;offset 0x90c + COPY %r26,%r4 ;offset 0x910 + COPY %r24,%r5 ;offset 0x914 + DEPD %r25,31,32,%r4 ;offset 0x918 + CMPB,*<> %r3,%r0,$0006000C ;offset 0x91c + DEPD %r23,31,32,%r5 ;offset 0x920 + MOVIB,TR -1,%r29,$00060002 ;offset 0x924 + EXTRD,U %r29,31,32,%r28 ;offset 0x928 +$0006002A + LDO -1(%r29),%r29 ;offset 0x92c + SUB %r23,%r7,%r23 ;offset 0x930 +$00060024 + SUB %r4,%r31,%r25 ;offset 0x934 + AND %r25,%r19,%r26 ;offset 0x938 + CMPB,*<>,N %r0,%r26,$00060046 ;offset 0x93c + DEPD,Z %r25,31,32,%r20 ;offset 0x940 + OR %r20,%r24,%r21 ;offset 0x944 + CMPB,*<<,N %r21,%r23,$0006002A ;offset 0x948 + SUB %r31,%r2,%r31 ;offset 0x94c +$00060046 +$0006002E + DEPD,Z %r23,31,32,%r25 ;offset 0x950 + EXTRD,U %r23,31,32,%r26 ;offset 0x954 + AND %r25,%r19,%r24 ;offset 0x958 + ADD,L %r31,%r26,%r31 ;offset 0x95c + CMPCLR,*>>= %r5,%r24,%r0 ;offset 0x960 + LDO 1(%r31),%r31 ;offset 0x964 +$00060032 + CMPB,*<<=,N %r31,%r4,$00060036 ;offset 0x968 + LDO -1(%r29),%r29 ;offset 0x96c + ADD,L %r4,%r3,%r4 ;offset 0x970 +$00060036 + ADDIB,=,N -1,%r8,$D0 ;offset 0x974 + SUB %r5,%r24,%r28 ;offset 0x978 +$0006003A + SUB %r4,%r31,%r24 ;offset 0x97c + SHRPD %r24,%r28,32,%r4 ;offset 0x980 + DEPD,Z %r29,31,32,%r9 ;offset 0x984 + DEPD,Z %r28,31,32,%r5 ;offset 0x988 +$0006001C + EXTRD,U %r4,31,32,%r31 ;offset 0x98c + CMPB,*<>,N %r31,%r2,$00060020 ;offset 0x990 + MOVB,TR %r6,%r29,$D1 ;offset 0x994 + STD %r29,-152(%r30) ;offset 0x998 +$0006000C + EXTRD,U %r3,31,32,%r25 ;offset 0x99c + COPY %r3,%r26 ;offset 0x9a0 + EXTRD,U %r3,31,32,%r9 ;offset 0x9a4 + EXTRD,U %r4,31,32,%r8 ;offset 0x9a8 + .CALL ARGW0=GR,ARGW1=GR,RTNVAL=GR ;in=25,26;out=28; + B,L BN_num_bits_word,%r2 ;offset 0x9ac + EXTRD,U %r5,31,32,%r7 ;offset 0x9b0 + LDI 64,%r20 ;offset 0x9b4 + DEPD %r7,31,32,%r5 ;offset 0x9b8 + DEPD %r8,31,32,%r4 ;offset 0x9bc + DEPD %r9,31,32,%r3 ;offset 0x9c0 + CMPB,= %r28,%r20,$00060012 ;offset 0x9c4 + COPY %r28,%r24 ;offset 0x9c8 + MTSARCM %r24 ;offset 0x9cc + DEPDI,Z -1,%sar,1,%r19 ;offset 0x9d0 + CMPB,*>>,N %r4,%r19,$D2 ;offset 0x9d4 +$00060012 + SUBI 64,%r24,%r31 ;offset 0x9d8 + CMPCLR,*<< %r4,%r3,%r0 ;offset 0x9dc + SUB %r4,%r3,%r4 ;offset 0x9e0 +$00060016 + CMPB,= %r31,%r0,$0006001A ;offset 0x9e4 + COPY %r0,%r9 ;offset 0x9e8 + MTSARCM %r31 ;offset 0x9ec + DEPD,Z %r3,%sar,64,%r3 ;offset 0x9f0 + SUBI 64,%r31,%r26 ;offset 0x9f4 + MTSAR %r26 ;offset 0x9f8 + SHRPD %r4,%r5,%sar,%r4 ;offset 0x9fc + MTSARCM %r31 ;offset 0xa00 + DEPD,Z %r5,%sar,64,%r5 ;offset 0xa04 +$0006001A + DEPDI,Z -1,31,32,%r19 ;offset 0xa08 + AND %r3,%r19,%r29 ;offset 0xa0c + EXTRD,U %r29,31,32,%r2 ;offset 0xa10 + DEPDI,Z -1,63,32,%r6 ;offset 0xa14 + MOVIB,TR 2,%r8,$0006001C ;offset 0xa18 + EXTRD,U %r3,63,32,%r7 ;offset 0xa1c +$D2 + ;--- not PIC ADDIL LR'__iob-$global$,%r27,%r1 ;offset 0xa20 + ;--- not PIC LDIL LR'C$7,%r21 ;offset 0xa24 + ;--- not PIC LDO RR'__iob-$global$+32(%r1),%r26 ;offset 0xa28 + ;--- not PIC .CALL ARGW0=GR,ARGW1=GR,ARGW2=GR,RTNVAL=GR ;in=24,25,26;out=28; + ;--- not PIC B,L fprintf,%r2 ;offset 0xa2c + ;--- not PIC LDO RR'C$7(%r21),%r25 ;offset 0xa30 + .CALL ; + B,L abort,%r2 ;offset 0xa34 + NOP ;offset 0xa38 + B $D3 ;offset 0xa3c + LDW -212(%r30),%r2 ;offset 0xa40 +$00060020 + COPY %r4,%r26 ;offset 0xa44 + EXTRD,U %r4,31,32,%r25 ;offset 0xa48 + COPY %r2,%r24 ;offset 0xa4c + .CALL ;in=23,24,25,26;out=20,21,22,28,29; (MILLICALL) + B,L $$div2U,%r31 ;offset 0xa50 + EXTRD,U %r2,31,32,%r23 ;offset 0xa54 + DEPD %r28,31,32,%r29 ;offset 0xa58 +$00060022 + STD %r29,-152(%r30) ;offset 0xa5c +$D1 + AND %r5,%r19,%r24 ;offset 0xa60 + EXTRD,U %r24,31,32,%r24 ;offset 0xa64 + STW %r2,-160(%r30) ;offset 0xa68 + STW %r7,-128(%r30) ;offset 0xa6c + FLDD -152(%r30),%fr4 ;offset 0xa70 + FLDD -152(%r30),%fr7 ;offset 0xa74 + FLDW -160(%r30),%fr8L ;offset 0xa78 + FLDW -128(%r30),%fr5L ;offset 0xa7c + XMPYU %fr8L,%fr7L,%fr10 ;offset 0xa80 + FSTD %fr10,-136(%r30) ;offset 0xa84 + XMPYU %fr8L,%fr7R,%fr22 ;offset 0xa88 + FSTD %fr22,-144(%r30) ;offset 0xa8c + XMPYU %fr5L,%fr4L,%fr11 ;offset 0xa90 + XMPYU %fr5L,%fr4R,%fr23 ;offset 0xa94 + FSTD %fr11,-112(%r30) ;offset 0xa98 + FSTD %fr23,-120(%r30) ;offset 0xa9c + LDD -136(%r30),%r28 ;offset 0xaa0 + DEPD,Z %r28,31,32,%r31 ;offset 0xaa4 + LDD -144(%r30),%r20 ;offset 0xaa8 + ADD,L %r20,%r31,%r31 ;offset 0xaac + LDD -112(%r30),%r22 ;offset 0xab0 + DEPD,Z %r22,31,32,%r22 ;offset 0xab4 + LDD -120(%r30),%r21 ;offset 0xab8 + B $00060024 ;offset 0xabc + ADD,L %r21,%r22,%r23 ;offset 0xac0 +$D0 + OR %r9,%r29,%r29 ;offset 0xac4 +$00060040 + EXTRD,U %r29,31,32,%r28 ;offset 0xac8 +$00060002 +$L2 + LDW -212(%r30),%r2 ;offset 0xacc +$D3 + LDW -168(%r30),%r9 ;offset 0xad0 + LDD -176(%r30),%r8 ;offset 0xad4 + EXTRD,U %r8,31,32,%r7 ;offset 0xad8 + LDD -184(%r30),%r6 ;offset 0xadc + EXTRD,U %r6,31,32,%r5 ;offset 0xae0 + LDW -188(%r30),%r4 ;offset 0xae4 + BVE (%r2) ;offset 0xae8 + .EXIT + LDW,MB -192(%r30),%r3 ;offset 0xaec + .PROCEND ;in=23,25;out=28,29;fpin=105,107; + + + + +;---------------------------------------------------------------------------- +; +; 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,CALLS,SAVE_RP,ENTRY_GR=8 - .ENTRY - stw %r2,-20(0,%r30) - stwm %r8,128(0,%r30) - stw %r7,-124(0,%r30) - stw %r4,-112(0,%r30) - stw %r3,-108(0,%r30) - copy %r26,%r3 - copy %r25,%r4 - stw %r6,-120(0,%r30) - ldi 0,%r7 - stw %r5,-116(0,%r30) - movb,<> %r24,%r5,L$0051 - ldi 2,%r6 - bl L$0068,0 - ldi -1,%r28 -L$0051 - .CALL ARGW0=GR - bl BN_num_bits_word,%r2 - copy %r5,%r26 - copy %r28,%r24 - ldi 32,%r19 - comb,= %r19,%r24,L$0052 - subi 31,%r24,%r19 - mtsar %r19 - zvdepi 1,32,%r19 - comb,>>= %r19,%r3,L$0052 - addil LR'__iob-$global$+32,%r27 - ldo RR'__iob-$global$+32(%r1),%r26 - ldil LR'L$C0000,%r25 - .CALL ARGW0=GR,ARGW1=GR,ARGW2=GR - bl fprintf,%r2 - ldo RR'L$C0000(%r25),%r25 - .CALL - bl abort,%r2 - nop -L$0052 - comb,>> %r5,%r3,L$0053 - subi 32,%r24,%r24 - sub %r3,%r5,%r3 -L$0053 - comib,= 0,%r24,L$0054 - subi 31,%r24,%r19 - mtsar %r19 - zvdep %r5,32,%r5 - zvdep %r3,32,%r21 - subi 32,%r24,%r20 - mtsar %r20 - vshd 0,%r4,%r20 - or %r21,%r20,%r3 - mtsar %r19 - zvdep %r4,32,%r4 -L$0054 - extru %r5,15,16,%r23 - extru %r5,31,16,%r28 -L$0055 - extru %r3,15,16,%r19 - comb,<> %r23,%r19,L$0058 - copy %r3,%r26 - bl L$0059,0 - zdepi -1,31,16,%r29 -L$0058 - .IMPORT $$divU,MILLICODE - bl $$divU,%r31 - copy %r23,%r25 -L$0059 - stw %r29,-16(0,%r30) - fldws -16(0,%r30),%fr10L - stw %r28,-16(0,%r30) - fldws -16(0,%r30),%fr10R - stw %r23,-16(0,%r30) - xmpyu %fr10L,%fr10R,%fr8 - fldws -16(0,%r30),%fr10R - fstws %fr8R,-16(0,%r30) - xmpyu %fr10L,%fr10R,%fr9 - ldw -16(0,%r30),%r8 - fstws %fr9R,-16(0,%r30) - copy %r8,%r22 - ldw -16(0,%r30),%r8 - extru %r4,15,16,%r24 - copy %r8,%r21 -L$0060 - sub %r3,%r21,%r20 - copy %r20,%r19 - depi 0,31,16,%r19 - comib,<> 0,%r19,L$0061 - zdep %r20,15,16,%r19 - addl %r19,%r24,%r19 - comb,>>= %r19,%r22,L$0061 - sub %r22,%r28,%r22 - sub %r21,%r23,%r21 - bl L$0060,0 - ldo -1(%r29),%r29 -L$0061 - stw %r29,-16(0,%r30) - fldws -16(0,%r30),%fr10L - stw %r28,-16(0,%r30) - fldws -16(0,%r30),%fr10R - xmpyu %fr10L,%fr10R,%fr8 - fstws %fr8R,-16(0,%r30) - ldw -16(0,%r30),%r8 - stw %r23,-16(0,%r30) - fldws -16(0,%r30),%fr10R - copy %r8,%r19 - xmpyu %fr10L,%fr10R,%fr8 - fstws %fr8R,-16(0,%r30) - extru %r19,15,16,%r20 - ldw -16(0,%r30),%r8 - zdep %r19,15,16,%r19 - addl %r8,%r20,%r20 - comclr,<<= %r19,%r4,0 - addi 1,%r20,%r20 - comb,<<= %r20,%r3,L$0066 - sub %r4,%r19,%r4 - addl %r3,%r5,%r3 - ldo -1(%r29),%r29 -L$0066 - addib,= -1,%r6,L$0056 - sub %r3,%r20,%r3 - zdep %r29,15,16,%r7 - shd %r3,%r4,16,%r3 - bl L$0055,0 - zdep %r4,15,16,%r4 -L$0056 - or %r7,%r29,%r28 -L$0068 - ldw -148(0,%r30),%r2 - ldw -124(0,%r30),%r7 - ldw -120(0,%r30),%r6 - ldw -116(0,%r30),%r5 - ldw -112(0,%r30),%r4 - ldw -108(0,%r30),%r3 - bv 0(%r2) - ldwm -128(0,%r30),%r8 - .EXIT - .PROCEND + .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 + + +;--- not PIC .SPACE $TEXT$ +;--- not PIC .SUBSPA $CODE$ +;--- not PIC .SPACE $PRIVATE$,SORT=16 +;--- not PIC .IMPORT $global$,DATA +;--- not PIC .SPACE $TEXT$ +;--- not PIC .SUBSPA $CODE$ +;--- not PIC .SUBSPA $LIT$,ACCESS=0x2c +;--- not PIC C$7 +;--- not PIC .ALIGN 8 +;--- not PIC .STRINGZ "Division would overflow (%d)\n" + .END