?? sparcv9a-mont.pl
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std $nlod,[%sp+$bias+$frame+24] addcc $j,8,$j bnz,pt %icc,.L1st add $tp,8,$tp.L1stskip: fdtox $dota,$dota fdtox $dotb,$dotb ldx [%sp+$bias+$frame+0],%o0 ldx [%sp+$bias+$frame+8],%o1 ldx [%sp+$bias+$frame+16],%o2 ldx [%sp+$bias+$frame+24],%o3 srlx %o0,16,%o7 std $dota,[%sp+$bias+$frame+32] add %o7,%o1,%o1 std $dotb,[%sp+$bias+$frame+40] srlx %o1,16,%o7 add %o7,%o2,%o2 srlx %o2,16,%o7 add %o7,%o3,%o3 ! %o3.%o2[0..15].%o1[0..15].%o0[0..15] and %o0,$mask,%o0 and %o1,$mask,%o1 and %o2,$mask,%o2 sllx %o1,16,%o1 sllx %o2,32,%o2 sllx %o3,48,%o7 or %o1,%o0,%o0 or %o2,%o0,%o0 or %o7,%o0,%o0 ! 64-bit result ldx [%sp+$bias+$frame+32],%o4 addcc %g1,%o0,%o0 ldx [%sp+$bias+$frame+40],%o5 srlx %o3,16,%g1 ! 34-bit carry bcs,a %xcc,.+8 add %g1,1,%g1 stx %o0,[$tp] ! tp[j-1]= add $tp,8,$tp srlx %o4,16,%o7 add %o7,%o5,%o5 and %o4,$mask,%o4 sllx %o5,16,%o7 or %o7,%o4,%o4 addcc %g1,%o4,%o4 srlx %o5,48,%g1 bcs,a %xcc,.+8 add %g1,1,%g1 mov %g1,$carry stx %o4,[$tp] ! tp[num-1]= ba .Louter add $i,8,$i.align 32.Louter: sub %g0,$num,$j ! j=-num add %sp,$bias+$frame+$locals,$tp add $ap,$j,%o3 add $bp,$i,%o4 ld [%o3+4],%g1 ! bp[i] ld [%o3+0],%o0 ld [%o4+4],%g5 ! ap[0] sllx %g1,32,%g1 ld [%o4+0],%o1 sllx %g5,32,%g5 or %g1,%o0,%o0 or %g5,%o1,%o1 ldx [$tp],%o2 ! tp[0] mulx %o1,%o0,%o0 addcc %o2,%o0,%o0 mulx $n0,%o0,%o0 ! (ap[0]*bp[i]+t[0])*n0 stx %o0,[%sp+$bias+$frame+0] ! transfer b[i] to FPU as 4x16-bit values ldda [%o4+2]%asi,$ba ldda [%o4+0]%asi,$bb ldda [%o4+6]%asi,$bc ldda [%o4+4]%asi,$bd ! transfer (ap[0]*b[i]+t[0])*n0 to FPU as 4x16-bit values ldda [%sp+$bias+$frame+6]%asi,$na fxtod $ba,$ba ldda [%sp+$bias+$frame+4]%asi,$nb fxtod $bb,$bb ldda [%sp+$bias+$frame+2]%asi,$nc fxtod $bc,$bc ldda [%sp+$bias+$frame+0]%asi,$nd fxtod $bd,$bd ldd [$ap_l+$j],$alo ! load a[j] in double format fxtod $na,$na ldd [$ap_h+$j],$ahi fxtod $nb,$nb ldd [$np_l+$j],$nlo ! load n[j] in double format fxtod $nc,$nc ldd [$np_h+$j],$nhi fxtod $nd,$nd fmuld $alo,$ba,$aloa fmuld $nlo,$na,$nloa fmuld $alo,$bb,$alob fmuld $nlo,$nb,$nlob fmuld $alo,$bc,$aloc faddd $aloa,$nloa,$nloa fmuld $nlo,$nc,$nloc fmuld $alo,$bd,$alod faddd $alob,$nlob,$nlob fmuld $nlo,$nd,$nlod fmuld $ahi,$ba,$ahia faddd $aloc,$nloc,$nloc fmuld $nhi,$na,$nhia fmuld $ahi,$bb,$ahib faddd $alod,$nlod,$nlod fmuld $nhi,$nb,$nhib fmuld $ahi,$bc,$ahic faddd $ahia,$nhia,$nhia fmuld $nhi,$nc,$nhic fmuld $ahi,$bd,$ahid faddd $ahib,$nhib,$nhib fmuld $nhi,$nd,$nhid faddd $ahic,$nhic,$dota ! $nhic faddd $ahid,$nhid,$dotb ! $nhid faddd $nloc,$nhia,$nloc faddd $nlod,$nhib,$nlod fdtox $nloa,$nloa fdtox $nlob,$nlob fdtox $nloc,$nloc fdtox $nlod,$nlod std $nloa,[%sp+$bias+$frame+0] std $nlob,[%sp+$bias+$frame+8] std $nloc,[%sp+$bias+$frame+16] add $j,8,$j std $nlod,[%sp+$bias+$frame+24] ldd [$ap_l+$j],$alo ! load a[j] in double format ldd [$ap_h+$j],$ahi ldd [$np_l+$j],$nlo ! load n[j] in double format ldd [$np_h+$j],$nhi fmuld $alo,$ba,$aloa fmuld $nlo,$na,$nloa fmuld $alo,$bb,$alob fmuld $nlo,$nb,$nlob fmuld $alo,$bc,$aloc ldx [%sp+$bias+$frame+0],%o0 faddd $aloa,$nloa,$nloa fmuld $nlo,$nc,$nloc ldx [%sp+$bias+$frame+8],%o1 fmuld $alo,$bd,$alod ldx [%sp+$bias+$frame+16],%o2 faddd $alob,$nlob,$nlob fmuld $nlo,$nd,$nlod ldx [%sp+$bias+$frame+24],%o3 fmuld $ahi,$ba,$ahia srlx %o0,16,%o7 faddd $aloc,$nloc,$nloc fmuld $nhi,$na,$nhia add %o7,%o1,%o1 fmuld $ahi,$bb,$ahib srlx %o1,16,%o7 faddd $alod,$nlod,$nlod fmuld $nhi,$nb,$nhib add %o7,%o2,%o2 fmuld $ahi,$bc,$ahic srlx %o2,16,%o7 faddd $ahia,$nhia,$nhia fmuld $nhi,$nc,$nhic add %o7,%o3,%o3 ! %o3.%o2[0..15].%o1[0..15].%o0[0..15] ! why? and %o0,$mask,%o0 fmuld $ahi,$bd,$ahid and %o1,$mask,%o1 and %o2,$mask,%o2 faddd $ahib,$nhib,$nhib fmuld $nhi,$nd,$nhid sllx %o1,16,%o1 faddd $dota,$nloa,$nloa sllx %o2,32,%o2 faddd $dotb,$nlob,$nlob sllx %o3,48,%o7 or %o1,%o0,%o0 faddd $ahic,$nhic,$dota ! $nhic or %o2,%o0,%o0 faddd $ahid,$nhid,$dotb ! $nhid or %o7,%o0,%o0 ! 64-bit result ldx [$tp],%o7 faddd $nloc,$nhia,$nloc addcc %o7,%o0,%o0 ! end-of-why? faddd $nlod,$nhib,$nlod srlx %o3,16,%g1 ! 34-bit carry fdtox $nloa,$nloa bcs,a %xcc,.+8 add %g1,1,%g1 fdtox $nlob,$nlob fdtox $nloc,$nloc fdtox $nlod,$nlod std $nloa,[%sp+$bias+$frame+0] std $nlob,[%sp+$bias+$frame+8] addcc $j,8,$j std $nloc,[%sp+$bias+$frame+16] bz,pn %icc,.Linnerskip std $nlod,[%sp+$bias+$frame+24] ba .Linner nop.align 32.Linner: ldd [$ap_l+$j],$alo ! load a[j] in double format ldd [$ap_h+$j],$ahi ldd [$np_l+$j],$nlo ! load n[j] in double format ldd [$np_h+$j],$nhi fmuld $alo,$ba,$aloa fmuld $nlo,$na,$nloa fmuld $alo,$bb,$alob fmuld $nlo,$nb,$nlob fmuld $alo,$bc,$aloc ldx [%sp+$bias+$frame+0],%o0 faddd $aloa,$nloa,$nloa fmuld $nlo,$nc,$nloc ldx [%sp+$bias+$frame+8],%o1 fmuld $alo,$bd,$alod ldx [%sp+$bias+$frame+16],%o2 faddd $alob,$nlob,$nlob fmuld $nlo,$nd,$nlod ldx [%sp+$bias+$frame+24],%o3 fmuld $ahi,$ba,$ahia srlx %o0,16,%o7 faddd $aloc,$nloc,$nloc fmuld $nhi,$na,$nhia add %o7,%o1,%o1 fmuld $ahi,$bb,$ahib srlx %o1,16,%o7 faddd $alod,$nlod,$nlod fmuld $nhi,$nb,$nhib add %o7,%o2,%o2 fmuld $ahi,$bc,$ahic srlx %o2,16,%o7 faddd $ahia,$nhia,$nhia fmuld $nhi,$nc,$nhic add %o7,%o3,%o3 ! %o3.%o2[0..15].%o1[0..15].%o0[0..15] and %o0,$mask,%o0 fmuld $ahi,$bd,$ahid and %o1,$mask,%o1 and %o2,$mask,%o2 faddd $ahib,$nhib,$nhib fmuld $nhi,$nd,$nhid sllx %o1,16,%o1 faddd $dota,$nloa,$nloa sllx %o2,32,%o2 faddd $dotb,$nlob,$nlob sllx %o3,48,%o7 or %o1,%o0,%o0 faddd $ahic,$nhic,$dota ! $nhic or %o2,%o0,%o0 faddd $ahid,$nhid,$dotb ! $nhid or %o7,%o0,%o0 ! 64-bit result faddd $nloc,$nhia,$nloc addcc %g1,%o0,%o0 ldx [$tp+8],%o7 ! tp[j] faddd $nlod,$nhib,$nlod srlx %o3,16,%g1 ! 34-bit carry fdtox $nloa,$nloa bcs,a %xcc,.+8 add %g1,1,%g1 fdtox $nlob,$nlob addcc %o7,%o0,%o0 fdtox $nloc,$nloc bcs,a %xcc,.+8 add %g1,1,%g1 stx %o0,[$tp] ! tp[j-1] fdtox $nlod,$nlod std $nloa,[%sp+$bias+$frame+0] std $nlob,[%sp+$bias+$frame+8] std $nloc,[%sp+$bias+$frame+16] addcc $j,8,$j std $nlod,[%sp+$bias+$frame+24] bnz,pt %icc,.Linner add $tp,8,$tp.Linnerskip: fdtox $dota,$dota fdtox $dotb,$dotb ldx [%sp+$bias+$frame+0],%o0 ldx [%sp+$bias+$frame+8],%o1 ldx [%sp+$bias+$frame+16],%o2 ldx [%sp+$bias+$frame+24],%o3 srlx %o0,16,%o7 std $dota,[%sp+$bias+$frame+32] add %o7,%o1,%o1 std $dotb,[%sp+$bias+$frame+40] srlx %o1,16,%o7 add %o7,%o2,%o2 srlx %o2,16,%o7 add %o7,%o3,%o3 ! %o3.%o2[0..15].%o1[0..15].%o0[0..15] and %o0,$mask,%o0 and %o1,$mask,%o1 and %o2,$mask,%o2 sllx %o1,16,%o1 sllx %o2,32,%o2 sllx %o3,48,%o7 or %o1,%o0,%o0 or %o2,%o0,%o0 ldx [%sp+$bias+$frame+32],%o4 or %o7,%o0,%o0 ! 64-bit result ldx [%sp+$bias+$frame+40],%o5 addcc %g1,%o0,%o0 ldx [$tp+8],%o7 ! tp[j] srlx %o3,16,%g1 ! 34-bit carry bcs,a %xcc,.+8 add %g1,1,%g1 addcc %o7,%o0,%o0 bcs,a %xcc,.+8 add %g1,1,%g1 stx %o0,[$tp] ! tp[j-1] add $tp,8,$tp srlx %o4,16,%o7 add %o7,%o5,%o5 and %o4,$mask,%o4 sllx %o5,16,%o7 or %o7,%o4,%o4 addcc %g1,%o4,%o4 srlx %o5,48,%g1 bcs,a %xcc,.+8 add %g1,1,%g1 addcc $carry,%o4,%o4 stx %o4,[$tp] ! tp[num-1] mov %g1,$carry bcs,a %xcc,.+8 add $carry,1,$carry addcc $i,8,$i bnz %icc,.Louter nop add $tp,8,$tp ! adjust tp to point at the end orn %g0,%g0,%g4 sub %g0,$num,%o7 ! n=-num ba .Lsub subcc %g0,%g0,%g0 ! clear %icc.c.align 32.Lsub: ldx [$tp+%o7],%o0 add $np,%o7,%g1 ld [%g1+0],%o2 ld [%g1+4],%o3 srlx %o0,32,%o1 subccc %o0,%o2,%o2 add $rp,%o7,%g1 subccc %o1,%o3,%o3 st %o2,[%g1+0] add %o7,8,%o7 brnz,pt %o7,.Lsub st %o3,[%g1+4] subc $carry,0,%g4 sub %g0,$num,%o7 ! n=-num ba .Lcopy nop.align 32.Lcopy: ldx [$tp+%o7],%o0 add $rp,%o7,%g1 ld [%g1+0],%o2 ld [%g1+4],%o3 stx %g0,[$tp+%o7] and %o0,%g4,%o0 srlx %o0,32,%o1 andn %o2,%g4,%o2 andn %o3,%g4,%o3 or %o2,%o0,%o0 or %o3,%o1,%o1 st %o0,[%g1+0] add %o7,8,%o7 brnz,pt %o7,.Lcopy st %o1,[%g1+4] sub %g0,$num,%o7 ! n=-num.Lzap: stx %g0,[$ap_l+%o7] stx %g0,[$ap_h+%o7] stx %g0,[$np_l+%o7] stx %g0,[$np_h+%o7] add %o7,8,%o7 brnz,pt %o7,.Lzap nop ldx [%sp+$bias+$frame+48],%o7 wr %g0,%o7,%asi ! restore %asi mov 1,%i0.Lret: ret restore.type $fname,#function.size $fname,(.-$fname).asciz "Montgomery Multipltication for UltraSPARC, CRYPTOGAMS by <appro\@openssl.org>".align 32___$code =~ s/\`([^\`]*)\`/eval($1)/gem;# Below substitution makes it possible to compile without demanding# VIS extentions on command line, e.g. -xarch=v9 vs. -xarch=v9a. I# dare to do this, because VIS capability is detected at run-time now# and this routine is not called on CPU not capable to execute it. Do# note that fzeros is not the only VIS dependency! Another dependency# is implicit and is just _a_ numerical value loaded to %asi register,# which assembler can't recognize as VIS specific...$code =~ s/fzeros\s+%f([0-9]+)/ sprintf(".word\t0x%x\t! fzeros %%f%d",0x81b00c20|($1<<25),$1) /gem;print $code;# flushclose STDOUT;
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