diff options
author | Andy Polyakov <appro@openssl.org> | 2010-11-29 20:52:43 +0000 |
---|---|---|
committer | Andy Polyakov <appro@openssl.org> | 2010-11-29 20:52:43 +0000 |
commit | e822c756b66024d49ab936bf77b745206660fcd2 (patch) | |
tree | c5c6cd2bec509720a0753e245bd3731e99c6de83 /crypto/sha/asm | |
parent | 300b1d76fe27541c662ca606a6a201b2718e0c65 (diff) |
s390x assembler pack: adapt for -m31 build, see commentary in Configure
for more details.
Diffstat (limited to 'crypto/sha/asm')
-rw-r--r-- | crypto/sha/asm/sha1-s390x.pl | 46 | ||||
-rw-r--r-- | crypto/sha/asm/sha512-s390x.pl | 59 |
2 files changed, 73 insertions, 32 deletions
diff --git a/crypto/sha/asm/sha1-s390x.pl b/crypto/sha/asm/sha1-s390x.pl index 0e38f8e36d..9193dda45e 100644 --- a/crypto/sha/asm/sha1-s390x.pl +++ b/crypto/sha/asm/sha1-s390x.pl @@ -21,8 +21,27 @@ # instructions to favour dual-issue z10 pipeline. On z10 hardware is # "only" ~2.3x faster than software. +# November 2010. +# +# Adapt for -m31 build. If kernel supports what's called "highgprs" +# feature on Linux [see /proc/cpuinfo], it's possible to use 64-bit +# instructions and achieve "64-bit" performance even in 31-bit legacy +# application context. The feature is not specific to any particular +# processor, as long as it's "z-CPU". Latter implies that the code +# remains z/Architecture specific. + $kimdfunc=1; # magic function code for kimd instruction +$flavour = shift; + +if ($flavour =~ /3[12]/) { + $SIZE_T=4; + $g=""; +} else { + $SIZE_T=8; + $g="g"; +} + while (($output=shift) && ($output!~/^\w[\w\-]*\.\w+$/)) {} open STDOUT,">$output"; @@ -42,13 +61,14 @@ $t1="%r11"; @X=("%r12","%r13","%r14"); $sp="%r15"; -$frame=160+16*4; +$stdframe=16*$SIZE_T+4*8; +$frame=$stdframe+16*4; sub Xupdate { my $i=shift; $code.=<<___ if ($i==15); - lg $prefetch,160($sp) ### Xupdate(16) warm-up + lg $prefetch,$stdframe($sp) ### Xupdate(16) warm-up lr $X[0],$X[2] ___ return if ($i&1); # Xupdate is vectorized and executed every 2nd cycle @@ -58,8 +78,8 @@ $code.=<<___ if ($i<16); ___ $code.=<<___ if ($i>=16); xgr $X[0],$prefetch ### Xupdate($i) - lg $prefetch,`160+4*(($i+2)%16)`($sp) - xg $X[0],`160+4*(($i+8)%16)`($sp) + lg $prefetch,`$stdframe+4*(($i+2)%16)`($sp) + xg $X[0],`$stdframe+4*(($i+8)%16)`($sp) xgr $X[0],$prefetch rll $X[0],$X[0],1 rllg $X[1],$X[0],32 @@ -68,7 +88,7 @@ $code.=<<___ if ($i>=16); lr $X[2],$X[1] # feedback ___ $code.=<<___ if ($i<=70); - stg $X[0],`160+4*($i%16)`($sp) + stg $X[0],`$stdframe+4*($i%16)`($sp) ___ unshift(@X,pop(@X)); } @@ -148,9 +168,9 @@ $code.=<<___ if ($kimdfunc); tmhl %r0,0x4000 # check for message-security assist jz .Lsoftware lghi %r0,0 - la %r1,16($sp) + la %r1,`2*$SIZE_T`($sp) .long 0xb93e0002 # kimd %r0,%r2 - lg %r0,16($sp) + lg %r0,`2*$SIZE_T`($sp) tmhh %r0,`0x8000>>$kimdfunc` jz .Lsoftware lghi %r0,$kimdfunc @@ -165,11 +185,11 @@ $code.=<<___ if ($kimdfunc); ___ $code.=<<___; lghi %r1,-$frame - stg $ctx,16($sp) - stmg %r6,%r15,48($sp) + st${g} $ctx,`2*$SIZE_T`($sp) + stm${g} %r6,%r15,`6*$SIZE_T`($sp) lgr %r0,$sp la $sp,0(%r1,$sp) - stg %r0,0($sp) + st${g} %r0,0($sp) larl $t0,Ktable llgf $A,0($ctx) @@ -199,7 +219,7 @@ ___ for (;$i<80;$i++) { &BODY_20_39($i,@V); unshift(@V,pop(@V)); } $code.=<<___; - lg $ctx,`$frame+16`($sp) + l${g} $ctx,`$frame+2*$SIZE_T`($sp) la $inp,64($inp) al $A,0($ctx) al $B,4($ctx) @@ -211,9 +231,9 @@ $code.=<<___; st $C,8($ctx) st $D,12($ctx) st $E,16($ctx) - brct $len,.Lloop + brct${g} $len,.Lloop - lmg %r6,%r15,`$frame+48`($sp) + lm${g} %r6,%r15,`$frame+6*$SIZE_T`($sp) br %r14 .size sha1_block_data_order,.-sha1_block_data_order .string "SHA1 block transform for s390x, CRYPTOGAMS by <appro\@openssl.org>" diff --git a/crypto/sha/asm/sha512-s390x.pl b/crypto/sha/asm/sha512-s390x.pl index 3a358a4860..079a3fc78a 100644 --- a/crypto/sha/asm/sha512-s390x.pl +++ b/crypto/sha/asm/sha512-s390x.pl @@ -26,6 +26,26 @@ # favour dual-issue z10 pipeline. Hardware SHA256/512 is ~4.7x faster # than software. +# November 2010. +# +# Adapt for -m31 build. If kernel supports what's called "highgprs" +# feature on Linux [see /proc/cpuinfo], it's possible to use 64-bit +# instructions and achieve "64-bit" performance even in 31-bit legacy +# application context. The feature is not specific to any particular +# processor, as long as it's "z-CPU". Latter implies that the code +# remains z/Architecture specific. On z900 SHA256 was measured to +# perform 2.4x and SHA512 - 13x better than code generated by gcc 4.3. + +$flavour = shift; + +if ($flavour =~ /3[12]/) { + $SIZE_T=4; + $g=""; +} else { + $SIZE_T=8; + $g="g"; +} + $t0="%r0"; $t1="%r1"; $ctx="%r2"; $t2="%r2"; @@ -78,7 +98,8 @@ if ($output =~ /512/) { } $Func="sha${label}_block_data_order"; $Table="K${label}"; -$frame=160+16*$SZ; +$stdframe=16*$SIZE_T+4*8; +$frame=$stdframe+16*$SZ; sub BODY_00_15 { my ($i,$a,$b,$c,$d,$e,$f,$g,$h) = @_; @@ -93,9 +114,9 @@ $code.=<<___; xgr $t0,$t1 $ROT $t1,$t1,`$Sigma1[2]-$Sigma1[1]` xgr $t2,$g - $ST $T1,`160+$SZ*($i%16)`($sp) + $ST $T1,`$stdframe+$SZ*($i%16)`($sp) xgr $t0,$t1 # Sigma1(e) - la $T1,0($T1,$h) # T1+=h + algr $T1,$h # T1+=h ngr $t2,$e lgr $t1,$a algr $T1,$t0 # T1+=Sigma1(e) @@ -113,7 +134,7 @@ $code.=<<___; ngr $t2,$b algr $h,$T1 # h+=T1 ogr $t2,$t1 # Maj(a,b,c) - la $d,0($d,$T1) # d+=T1 + algr $d,$T1 # d+=T1 algr $h,$t2 # h+=Maj(a,b,c) ___ } @@ -122,19 +143,19 @@ sub BODY_16_XX { my ($i,$a,$b,$c,$d,$e,$f,$g,$h) = @_; $code.=<<___; - $LD $T1,`160+$SZ*(($i+1)%16)`($sp) ### $i - $LD $t1,`160+$SZ*(($i+14)%16)`($sp) + $LD $T1,`$stdframe+$SZ*(($i+1)%16)`($sp) ### $i + $LD $t1,`$stdframe+$SZ*(($i+14)%16)`($sp) $ROT $t0,$T1,$sigma0[0] $SHR $T1,$sigma0[2] $ROT $t2,$t0,`$sigma0[1]-$sigma0[0]` xgr $T1,$t0 $ROT $t0,$t1,$sigma1[0] - xgr $T1,$t2 # sigma0(X[i+1]) + xgr $T1,$t2 # sigma0(X[i+1]) $SHR $t1,$sigma1[2] - $ADD $T1,`160+$SZ*($i%16)`($sp) # +=X[i] + $ADD $T1,`$stdframe+$SZ*($i%16)`($sp) # +=X[i] xgr $t1,$t0 $ROT $t0,$t0,`$sigma1[1]-$sigma1[0]` - $ADD $T1,`160+$SZ*(($i+9)%16)`($sp) # +=X[i+9] + $ADD $T1,`$stdframe+$SZ*(($i+9)%16)`($sp) # +=X[i+9] xgr $t1,$t0 # sigma1(X[i+14]) algr $T1,$t1 # +=sigma1(X[i+14]) ___ @@ -212,6 +233,7 @@ $code.=<<___; .globl $Func .type $Func,\@function $Func: + sllg $len,$len,`log(16*$SZ)/log(2)` ___ $code.=<<___ if ($kimdfunc); larl %r1,OPENSSL_s390xcap_P @@ -219,15 +241,15 @@ $code.=<<___ if ($kimdfunc); tmhl %r0,0x4000 # check for message-security assist jz .Lsoftware lghi %r0,0 - la %r1,16($sp) + la %r1,`2*$SIZE_T`($sp) .long 0xb93e0002 # kimd %r0,%r2 - lg %r0,16($sp) + lg %r0,`2*$SIZE_T`($sp) tmhh %r0,`0x8000>>$kimdfunc` jz .Lsoftware lghi %r0,$kimdfunc lgr %r1,$ctx lgr %r2,$inp - sllg %r3,$len,`log(16*$SZ)/log(2)` + lgr %r3,$len .long 0xb93e0002 # kimd %r0,%r2 brc 1,.-4 # pay attention to "partial completion" br %r14 @@ -235,13 +257,12 @@ $code.=<<___ if ($kimdfunc); .Lsoftware: ___ $code.=<<___; - sllg $len,$len,`log(16*$SZ)/log(2)` lghi %r1,-$frame - agr $len,$inp - stmg $ctx,%r15,16($sp) + la $len,0($len,$inp) + stm${g} $ctx,%r15,`2*$SIZE_T`($sp) lgr %r0,$sp la $sp,0(%r1,$sp) - stg %r0,0($sp) + st${g} %r0,0($sp) larl $tbl,$Table $LD $A,`0*$SZ`($ctx) @@ -265,7 +286,7 @@ $code.=<<___; clgr $len,$t0 jne .Lrounds_16_xx - lg $ctx,`$frame+16`($sp) + l${g} $ctx,`$frame+2*$SIZE_T`($sp) la $inp,`16*$SZ`($inp) $ADD $A,`0*$SZ`($ctx) $ADD $B,`1*$SZ`($ctx) @@ -283,10 +304,10 @@ $code.=<<___; $ST $F,`5*$SZ`($ctx) $ST $G,`6*$SZ`($ctx) $ST $H,`7*$SZ`($ctx) - clg $inp,`$frame+32`($sp) + cl${g} $inp,`$frame+4*$SIZE_T`($sp) jne .Lloop - lmg %r6,%r15,`$frame+48`($sp) + lm${g} %r6,%r15,`$frame+6*$SIZE_T`($sp) br %r14 .size $Func,.-$Func .string "SHA${label} block transform for s390x, CRYPTOGAMS by <appro\@openssl.org>" |