diff options
Diffstat (limited to 'openssl/crypto/sha/asm/sha1-mips.pl')
| -rw-r--r-- | openssl/crypto/sha/asm/sha1-mips.pl | 100 |
1 files changed, 98 insertions, 2 deletions
diff --git a/openssl/crypto/sha/asm/sha1-mips.pl b/openssl/crypto/sha/asm/sha1-mips.pl index f1a702f38..340849389 100644 --- a/openssl/crypto/sha/asm/sha1-mips.pl +++ b/openssl/crypto/sha/asm/sha1-mips.pl @@ -15,6 +15,10 @@ # compatible subroutine. There is room for minor optimization on # little-endian platforms... +# September 2012. +# +# Add MIPS32r2 code (>25% less instructions). + ###################################################################### # There is a number of MIPS ABI in use, O32 and N32/64 are most # widely used. Then there is a new contender: NUBI. It appears that if @@ -42,7 +46,7 @@ # ($s0,$s1,$s2,$s3,$s4,$s5,$s6,$s7)=map("\$$_",(16..23)); # ($gp,$sp,$fp,$ra)=map("\$$_",(28..31)); # -$flavour = shift; # supported flavours are o32,n32,64,nubi32,nubi64 +$flavour = shift || "o32"; # supported flavours are o32,n32,64,nubi32,nubi64 if ($flavour =~ /64|n32/i) { $PTR_ADD="dadd"; # incidentally works even on n32 @@ -64,7 +68,7 @@ if ($flavour =~ /64|n32/i) { # ###################################################################### -$big_endian=(`echo MIPSEL | $ENV{CC} -E -P -`=~/MIPSEL/)?1:0; +$big_endian=(`echo MIPSEL | $ENV{CC} -E -`=~/MIPSEL/)?1:0 if ($ENV{CC}); for (@ARGV) { $output=$_ if (/^\w[\w\-]*\.\w+$/); } open STDOUT,">$output"; @@ -95,6 +99,10 @@ sub BODY_00_14 { my ($i,$a,$b,$c,$d,$e)=@_; my $j=$i+1; $code.=<<___ if (!$big_endian); +#if defined(_MIPS_ARCH_MIPS32R2) || defined(_MIPS_ARCH_MIPS64R2) + wsbh @X[$i],@X[$i] # byte swap($i) + rotr @X[$i],@X[$i],16 +#else srl $t0,@X[$i],24 # byte swap($i) srl $t1,@X[$i],8 andi $t2,@X[$i],0xFF00 @@ -104,8 +112,22 @@ $code.=<<___ if (!$big_endian); or @X[$i],$t0 or $t1,$t2 or @X[$i],$t1 +#endif ___ $code.=<<___; +#if defined(_MIPS_ARCH_MIPS32R2) || defined(_MIPS_ARCH_MIPS64R2) + addu $e,$K # $i + xor $t0,$c,$d + rotr $t1,$a,27 + lwl @X[$j],$j*4+$MSB($inp) + and $t0,$b + addu $e,$t1 + lwr @X[$j],$j*4+$LSB($inp) + xor $t0,$d + addu $e,@X[$i] + rotr $b,$b,2 + addu $e,$t0 +#else lwl @X[$j],$j*4+$MSB($inp) sll $t0,$a,5 # $i addu $e,$K @@ -121,6 +143,7 @@ $code.=<<___; addu $e,@X[$i] or $b,$t2 addu $e,$t0 +#endif ___ } @@ -129,6 +152,10 @@ my ($i,$a,$b,$c,$d,$e)=@_; my $j=$i+1; $code.=<<___ if (!$big_endian && $i==15); +#if defined(_MIPS_ARCH_MIPS32R2) || defined(_MIPS_ARCH_MIPS64R2) + wsbh @X[$i],@X[$i] # byte swap($i) + rotr @X[$i],@X[$i],16 +#else srl $t0,@X[$i],24 # byte swap($i) srl $t1,@X[$i],8 andi $t2,@X[$i],0xFF00 @@ -138,8 +165,24 @@ $code.=<<___ if (!$big_endian && $i==15); or @X[$i],$t0 or @X[$i],$t1 or @X[$i],$t2 +#endif ___ $code.=<<___; +#if defined(_MIPS_ARCH_MIPS32R2) || defined(_MIPS_ARCH_MIPS64R2) + addu $e,$K # $i + xor @X[$j%16],@X[($j+2)%16] + xor $t0,$c,$d + rotr $t1,$a,27 + xor @X[$j%16],@X[($j+8)%16] + and $t0,$b + addu $e,$t1 + xor @X[$j%16],@X[($j+13)%16] + xor $t0,$d + addu $e,@X[$i%16] + rotr @X[$j%16],@X[$j%16],31 + rotr $b,$b,2 + addu $e,$t0 +#else xor @X[$j%16],@X[($j+2)%16] sll $t0,$a,5 # $i addu $e,$K @@ -159,6 +202,7 @@ $code.=<<___; addu $e,@X[$i%16] or $b,$t2 addu $e,$t0 +#endif ___ } @@ -166,6 +210,20 @@ sub BODY_20_39 { my ($i,$a,$b,$c,$d,$e)=@_; my $j=$i+1; $code.=<<___ if ($i<79); +#if defined(_MIPS_ARCH_MIPS32R2) || defined(_MIPS_ARCH_MIPS64R2) + xor @X[$j%16],@X[($j+2)%16] + addu $e,$K # $i + rotr $t1,$a,27 + xor @X[$j%16],@X[($j+8)%16] + xor $t0,$c,$d + addu $e,$t1 + xor @X[$j%16],@X[($j+13)%16] + xor $t0,$b + addu $e,@X[$i%16] + rotr @X[$j%16],@X[$j%16],31 + rotr $b,$b,2 + addu $e,$t0 +#else xor @X[$j%16],@X[($j+2)%16] sll $t0,$a,5 # $i addu $e,$K @@ -184,8 +242,24 @@ $code.=<<___ if ($i<79); or @X[$j%16],$t1 or $b,$t2 addu $e,$t0 +#endif ___ $code.=<<___ if ($i==79); +#if defined(_MIPS_ARCH_MIPS32R2) || defined(_MIPS_ARCH_MIPS64R2) + lw @X[0],0($ctx) + addu $e,$K # $i + lw @X[1],4($ctx) + rotr $t1,$a,27 + lw @X[2],8($ctx) + xor $t0,$c,$d + addu $e,$t1 + lw @X[3],12($ctx) + xor $t0,$b + addu $e,@X[$i%16] + lw @X[4],16($ctx) + rotr $b,$b,2 + addu $e,$t0 +#else lw @X[0],0($ctx) sll $t0,$a,5 # $i addu $e,$K @@ -203,6 +277,7 @@ $code.=<<___ if ($i==79); addu $e,@X[$i%16] or $b,$t2 addu $e,$t0 +#endif ___ } @@ -210,6 +285,22 @@ sub BODY_40_59 { my ($i,$a,$b,$c,$d,$e)=@_; my $j=$i+1; $code.=<<___ if ($i<79); +#if defined(_MIPS_ARCH_MIPS32R2) || defined(_MIPS_ARCH_MIPS64R2) + addu $e,$K # $i + and $t0,$c,$d + xor @X[$j%16],@X[($j+2)%16] + rotr $t1,$a,27 + addu $e,$t0 + xor @X[$j%16],@X[($j+8)%16] + xor $t0,$c,$d + addu $e,$t1 + xor @X[$j%16],@X[($j+13)%16] + and $t0,$b + addu $e,@X[$i%16] + rotr @X[$j%16],@X[$j%16],31 + rotr $b,$b,2 + addu $e,$t0 +#else xor @X[$j%16],@X[($j+2)%16] sll $t0,$a,5 # $i addu $e,$K @@ -230,6 +321,7 @@ $code.=<<___ if ($i<79); addu $e,@X[$i%16] or $b,$t2 addu $e,$t0 +#endif ___ } @@ -241,6 +333,10 @@ $code=<<___; # include <openssl/fipssyms.h> #endif +#if defined(__mips_smartmips) && !defined(_MIPS_ARCH_MIPS32R2) +#define _MIPS_ARCH_MIPS32R2 +#endif + .text .set noat |