diff options
author | Andy Polyakov <appro@openssl.org> | 2006-06-05 09:35:50 +0000 |
---|---|---|
committer | Andy Polyakov <appro@openssl.org> | 2006-06-05 09:35:50 +0000 |
commit | 4dca00cec8be66dc12c8652a5b456dcc9e692f62 (patch) | |
tree | be27f4976b2e5235586e158381f4b1a026ead6ac /crypto/sha/asm/sha1-ppc.pl | |
parent | 061d774b998ec4638ccbc5a0d3372b39dd2c65a5 (diff) |
Minor sha1-ppc.pl update.
Diffstat (limited to 'crypto/sha/asm/sha1-ppc.pl')
-rwxr-xr-x | crypto/sha/asm/sha1-ppc.pl | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/crypto/sha/asm/sha1-ppc.pl b/crypto/sha/asm/sha1-ppc.pl index 3aa9655a82..704887b7ab 100755 --- a/crypto/sha/asm/sha1-ppc.pl +++ b/crypto/sha/asm/sha1-ppc.pl @@ -6,27 +6,28 @@ # forms are granted according to the OpenSSL license. # ==================================================================== -# I let hardware handle unaligned input, except on page boundaries +# I let hardware handle unaligned input(*), except on page boundaries # (see below for details). Otherwise straightforward implementation # with X vector in register bank. The module is big-endian [which is # not big deal as there're no little-endian targets left around]. +# +# (*) this means that this module is inappropriate for PPC403? Does +# anybody know if pre-POWER3 can sustain unaligned load? -# gcc-4.0.0 -m64 -m32 -# -------------------------- -# sha1 +76% +59% +# -m64 -m32 +# ---------------------------------- +# PPC970,gcc-4.0.0 +76% +59% $output = shift; if ($output =~ /64\.s/) { $SIZE_T =8; - $RZONE =288; $UCMP ="cmpld"; $STU ="stdu"; $POP ="ld"; $PUSH ="std"; } elsif ($output =~ /32\.s/) { $SIZE_T =4; - $RZONE =224; $UCMP ="cmplw"; $STU ="stwu"; $POP ="lwz"; @@ -149,14 +150,13 @@ ___ } $code=<<___; -.machine "any" .text .globl .sha1_block_asm_data_order .align 4 .sha1_block_asm_data_order: mflr r0 - $STU $sp,`-($FRAME+64+$RZONE)`($sp) + $STU $sp,`-($FRAME+64)`($sp) $PUSH r0,`$FRAME-$SIZE_T*18`($sp) $PUSH r15,`$FRAME-$SIZE_T*17`($sp) $PUSH r16,`$FRAME-$SIZE_T*16`($sp) @@ -205,7 +205,7 @@ Ldone: $POP r30,`$FRAME-$SIZE_T*2`($sp) $POP r31,`$FRAME-$SIZE_T*1`($sp) mtlr r0 - addi $sp,$sp,`$FRAME+64+$RZONE` + addi $sp,$sp,`$FRAME+64` blr ___ @@ -218,15 +218,14 @@ ___ $code.=<<___; .align 4 Lunaligned: - li $t1,4096 - subf $t1,$inp,$t1 + subfic $t1,$inp,4096 andi. $t1,$t1,4095 ; distance to closest page boundary srwi. $t1,$t1,6 ; t1/=64 beq Lcross_page $UCMP $num,$t1 ble- Laligned ; didn't cross the page boundary mtctr $t1 - subf $num,$t1,$num + subfc $num,$t1,$num bl Lsha1_block_private Lcross_page: li $t1,16 |