diff options
Diffstat (limited to 'deps/openssl/openssl/crypto/sha/asm/keccak1600-ppc64.pl')
| -rwxr-xr-x | deps/openssl/openssl/crypto/sha/asm/keccak1600-ppc64.pl | 758 |
1 files changed, 758 insertions, 0 deletions
diff --git a/deps/openssl/openssl/crypto/sha/asm/keccak1600-ppc64.pl b/deps/openssl/openssl/crypto/sha/asm/keccak1600-ppc64.pl new file mode 100755 index 0000000000..30e70c5d6d --- /dev/null +++ b/deps/openssl/openssl/crypto/sha/asm/keccak1600-ppc64.pl @@ -0,0 +1,758 @@ +#!/usr/bin/env perl +# Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved. +# +# Licensed under the OpenSSL license (the "License"). You may not use +# this file except in compliance with the License. You can obtain a copy +# in the file LICENSE in the source distribution or at +# https://www.openssl.org/source/license.html +# +# ==================================================================== +# Written by Andy Polyakov <appro@openssl.org> for the OpenSSL +# project. The module is, however, dual licensed under OpenSSL and +# CRYPTOGAMS licenses depending on where you obtain it. For further +# details see http://www.openssl.org/~appro/cryptogams/. +# ==================================================================== +# +# Keccak-1600 for PPC64. +# +# June 2017. +# +# This is straightforward KECCAK_1X_ALT implementation that works on +# *any* PPC64. Then PowerISA 2.07 adds 2x64-bit vector rotate, and +# it's possible to achieve performance better than below, but that is +# naturally option only for POWER8 and successors... +# +###################################################################### +# Numbers are cycles per processed byte. +# +# r=1088(*) +# +# PPC970/G5 14.6/+120% +# POWER7 10.3/+100% +# POWER8 11.5/+85% +# POWER9 9.4/+45% +# +# (*) Corresponds to SHA3-256. Percentage after slash is improvement +# over gcc-4.x-generated KECCAK_1X_ALT code. Newer compilers do +# much better (but watch out for them generating code specific +# to processor they execute on). + +$flavour = shift; + +if ($flavour =~ /64/) { + $SIZE_T =8; + $LRSAVE =2*$SIZE_T; + $UCMP ="cmpld"; + $STU ="stdu"; + $POP ="ld"; + $PUSH ="std"; +} else { die "nonsense $flavour"; } + +$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; +( $xlate="${dir}ppc-xlate.pl" and -f $xlate ) or +( $xlate="${dir}../../perlasm/ppc-xlate.pl" and -f $xlate) or +die "can't locate ppc-xlate.pl"; + +open STDOUT,"| $^X $xlate $flavour ".shift || die "can't call $xlate: $!"; + +$FRAME=24*$SIZE_T+6*$SIZE_T+32; +$LOCALS=6*$SIZE_T; +$TEMP=$LOCALS+6*$SIZE_T; + +my $sp ="r1"; + +my @A = map([ "r$_", "r".($_+1), "r".($_+2), "r".($_+3), "r".($_+4) ], + (7, 12, 17, 22, 27)); + $A[1][1] = "r6"; # r13 is reserved + +my @C = map("r$_", (0,3,4,5)); + +my @rhotates = ([ 0, 1, 62, 28, 27 ], + [ 36, 44, 6, 55, 20 ], + [ 3, 10, 43, 25, 39 ], + [ 41, 45, 15, 21, 8 ], + [ 18, 2, 61, 56, 14 ]); + +$code.=<<___; +.text + +.type KeccakF1600_int,\@function +.align 5 +KeccakF1600_int: + li r0,24 + mtctr r0 + b .Loop +.align 4 +.Loop: + xor $C[0],$A[0][0],$A[1][0] ; Theta + std $A[0][4],`$TEMP+0`($sp) + xor $C[1],$A[0][1],$A[1][1] + std $A[1][4],`$TEMP+8`($sp) + xor $C[2],$A[0][2],$A[1][2] + std $A[2][4],`$TEMP+16`($sp) + xor $C[3],$A[0][3],$A[1][3] + std $A[3][4],`$TEMP+24`($sp) +___ + $C[4]=$A[0][4]; + $C[5]=$A[1][4]; + $C[6]=$A[2][4]; + $C[7]=$A[3][4]; +$code.=<<___; + xor $C[4],$A[0][4],$A[1][4] + xor $C[0],$C[0],$A[2][0] + xor $C[1],$C[1],$A[2][1] + xor $C[2],$C[2],$A[2][2] + xor $C[3],$C[3],$A[2][3] + xor $C[4],$C[4],$A[2][4] + xor $C[0],$C[0],$A[3][0] + xor $C[1],$C[1],$A[3][1] + xor $C[2],$C[2],$A[3][2] + xor $C[3],$C[3],$A[3][3] + xor $C[4],$C[4],$A[3][4] + xor $C[0],$C[0],$A[4][0] + xor $C[2],$C[2],$A[4][2] + xor $C[1],$C[1],$A[4][1] + xor $C[3],$C[3],$A[4][3] + rotldi $C[5],$C[2],1 + xor $C[4],$C[4],$A[4][4] + rotldi $C[6],$C[3],1 + xor $C[5],$C[5],$C[0] + rotldi $C[7],$C[4],1 + + xor $A[0][1],$A[0][1],$C[5] + xor $A[1][1],$A[1][1],$C[5] + xor $A[2][1],$A[2][1],$C[5] + xor $A[3][1],$A[3][1],$C[5] + xor $A[4][1],$A[4][1],$C[5] + + rotldi $C[5],$C[0],1 + xor $C[6],$C[6],$C[1] + xor $C[2],$C[2],$C[7] + rotldi $C[7],$C[1],1 + xor $C[3],$C[3],$C[5] + xor $C[4],$C[4],$C[7] + + xor $C[1], $A[0][2],$C[6] ;mr $C[1],$A[0][2] + xor $A[1][2],$A[1][2],$C[6] + xor $A[2][2],$A[2][2],$C[6] + xor $A[3][2],$A[3][2],$C[6] + xor $A[4][2],$A[4][2],$C[6] + + xor $A[0][0],$A[0][0],$C[4] + xor $A[1][0],$A[1][0],$C[4] + xor $A[2][0],$A[2][0],$C[4] + xor $A[3][0],$A[3][0],$C[4] + xor $A[4][0],$A[4][0],$C[4] +___ + $C[4]=undef; + $C[5]=undef; + $C[6]=undef; + $C[7]=undef; +$code.=<<___; + ld $A[0][4],`$TEMP+0`($sp) + xor $C[0], $A[0][3],$C[2] ;mr $C[0],$A[0][3] + ld $A[1][4],`$TEMP+8`($sp) + xor $A[1][3],$A[1][3],$C[2] + ld $A[2][4],`$TEMP+16`($sp) + xor $A[2][3],$A[2][3],$C[2] + ld $A[3][4],`$TEMP+24`($sp) + xor $A[3][3],$A[3][3],$C[2] + xor $A[4][3],$A[4][3],$C[2] + + xor $C[2], $A[0][4],$C[3] ;mr $C[2],$A[0][4] + xor $A[1][4],$A[1][4],$C[3] + xor $A[2][4],$A[2][4],$C[3] + xor $A[3][4],$A[3][4],$C[3] + xor $A[4][4],$A[4][4],$C[3] + + mr $C[3],$A[0][1] ; Rho+Pi + rotldi $A[0][1],$A[1][1],$rhotates[1][1] + ;mr $C[1],$A[0][2] + rotldi $A[0][2],$A[2][2],$rhotates[2][2] + ;mr $C[0],$A[0][3] + rotldi $A[0][3],$A[3][3],$rhotates[3][3] + ;mr $C[2],$A[0][4] + rotldi $A[0][4],$A[4][4],$rhotates[4][4] + + rotldi $A[1][1],$A[1][4],$rhotates[1][4] + rotldi $A[2][2],$A[2][3],$rhotates[2][3] + rotldi $A[3][3],$A[3][2],$rhotates[3][2] + rotldi $A[4][4],$A[4][1],$rhotates[4][1] + + rotldi $A[1][4],$A[4][2],$rhotates[4][2] + rotldi $A[2][3],$A[3][4],$rhotates[3][4] + rotldi $A[3][2],$A[2][1],$rhotates[2][1] + rotldi $A[4][1],$A[1][3],$rhotates[1][3] + + rotldi $A[4][2],$A[2][4],$rhotates[2][4] + rotldi $A[3][4],$A[4][3],$rhotates[4][3] + rotldi $A[2][1],$A[1][2],$rhotates[1][2] + rotldi $A[1][3],$A[3][1],$rhotates[3][1] + + rotldi $A[2][4],$A[4][0],$rhotates[4][0] + rotldi $A[4][3],$A[3][0],$rhotates[3][0] + rotldi $A[1][2],$A[2][0],$rhotates[2][0] + rotldi $A[3][1],$A[1][0],$rhotates[1][0] + + rotldi $A[1][0],$C[0],$rhotates[0][3] + rotldi $A[2][0],$C[3],$rhotates[0][1] + rotldi $A[3][0],$C[2],$rhotates[0][4] + rotldi $A[4][0],$C[1],$rhotates[0][2] + + andc $C[0],$A[0][2],$A[0][1] ; Chi+Iota + andc $C[1],$A[0][3],$A[0][2] + andc $C[2],$A[0][0],$A[0][4] + andc $C[3],$A[0][1],$A[0][0] + xor $A[0][0],$A[0][0],$C[0] + andc $C[0],$A[0][4],$A[0][3] + xor $A[0][1],$A[0][1],$C[1] + ld $C[1],`$LOCALS+4*$SIZE_T`($sp) + xor $A[0][3],$A[0][3],$C[2] + xor $A[0][4],$A[0][4],$C[3] + xor $A[0][2],$A[0][2],$C[0] + ldu $C[3],8($C[1]) ; Iota[i++] + + andc $C[0],$A[1][2],$A[1][1] + std $C[1],`$LOCALS+4*$SIZE_T`($sp) + andc $C[1],$A[1][3],$A[1][2] + andc $C[2],$A[1][0],$A[1][4] + xor $A[0][0],$A[0][0],$C[3] ; A[0][0] ^= Iota + andc $C[3],$A[1][1],$A[1][0] + xor $A[1][0],$A[1][0],$C[0] + andc $C[0],$A[1][4],$A[1][3] + xor $A[1][1],$A[1][1],$C[1] + xor $A[1][3],$A[1][3],$C[2] + xor $A[1][4],$A[1][4],$C[3] + xor $A[1][2],$A[1][2],$C[0] + + andc $C[0],$A[2][2],$A[2][1] + andc $C[1],$A[2][3],$A[2][2] + andc $C[2],$A[2][0],$A[2][4] + andc $C[3],$A[2][1],$A[2][0] + xor $A[2][0],$A[2][0],$C[0] + andc $C[0],$A[2][4],$A[2][3] + xor $A[2][1],$A[2][1],$C[1] + xor $A[2][3],$A[2][3],$C[2] + xor $A[2][4],$A[2][4],$C[3] + xor $A[2][2],$A[2][2],$C[0] + + andc $C[0],$A[3][2],$A[3][1] + andc $C[1],$A[3][3],$A[3][2] + andc $C[2],$A[3][0],$A[3][4] + andc $C[3],$A[3][1],$A[3][0] + xor $A[3][0],$A[3][0],$C[0] + andc $C[0],$A[3][4],$A[3][3] + xor $A[3][1],$A[3][1],$C[1] + xor $A[3][3],$A[3][3],$C[2] + xor $A[3][4],$A[3][4],$C[3] + xor $A[3][2],$A[3][2],$C[0] + + andc $C[0],$A[4][2],$A[4][1] + andc $C[1],$A[4][3],$A[4][2] + andc $C[2],$A[4][0],$A[4][4] + andc $C[3],$A[4][1],$A[4][0] + xor $A[4][0],$A[4][0],$C[0] + andc $C[0],$A[4][4],$A[4][3] + xor $A[4][1],$A[4][1],$C[1] + xor $A[4][3],$A[4][3],$C[2] + xor $A[4][4],$A[4][4],$C[3] + xor $A[4][2],$A[4][2],$C[0] + + bdnz .Loop + + blr + .long 0 + .byte 0,12,0x14,0,0,0,0,0 +.size KeccakF1600_int,.-KeccakF1600_int + +.type KeccakF1600,\@function +.align 5 +KeccakF1600: + $STU $sp,-$FRAME($sp) + mflr r0 + $PUSH r14,`$FRAME-$SIZE_T*18`($sp) + $PUSH r15,`$FRAME-$SIZE_T*17`($sp) + $PUSH r16,`$FRAME-$SIZE_T*16`($sp) + $PUSH r17,`$FRAME-$SIZE_T*15`($sp) + $PUSH r18,`$FRAME-$SIZE_T*14`($sp) + $PUSH r19,`$FRAME-$SIZE_T*13`($sp) + $PUSH r20,`$FRAME-$SIZE_T*12`($sp) + $PUSH r21,`$FRAME-$SIZE_T*11`($sp) + $PUSH r22,`$FRAME-$SIZE_T*10`($sp) + $PUSH r23,`$FRAME-$SIZE_T*9`($sp) + $PUSH r24,`$FRAME-$SIZE_T*8`($sp) + $PUSH r25,`$FRAME-$SIZE_T*7`($sp) + $PUSH r26,`$FRAME-$SIZE_T*6`($sp) + $PUSH r27,`$FRAME-$SIZE_T*5`($sp) + $PUSH r28,`$FRAME-$SIZE_T*4`($sp) + $PUSH r29,`$FRAME-$SIZE_T*3`($sp) + $PUSH r30,`$FRAME-$SIZE_T*2`($sp) + $PUSH r31,`$FRAME-$SIZE_T*1`($sp) + $PUSH r0,`$FRAME+$LRSAVE`($sp) + + bl PICmeup + subi r12,r12,8 ; prepare for ldu + + $PUSH r3,`$LOCALS+0*$SIZE_T`($sp) + ;$PUSH r4,`$LOCALS+1*$SIZE_T`($sp) + ;$PUSH r5,`$LOCALS+2*$SIZE_T`($sp) + ;$PUSH r6,`$LOCALS+3*$SIZE_T`($sp) + $PUSH r12,`$LOCALS+4*$SIZE_T`($sp) + + ld $A[0][0],`8*0`(r3) ; load A[5][5] + ld $A[0][1],`8*1`(r3) + ld $A[0][2],`8*2`(r3) + ld $A[0][3],`8*3`(r3) + ld $A[0][4],`8*4`(r3) + ld $A[1][0],`8*5`(r3) + ld $A[1][1],`8*6`(r3) + ld $A[1][2],`8*7`(r3) + ld $A[1][3],`8*8`(r3) + ld $A[1][4],`8*9`(r3) + ld $A[2][0],`8*10`(r3) + ld $A[2][1],`8*11`(r3) + ld $A[2][2],`8*12`(r3) + ld $A[2][3],`8*13`(r3) + ld $A[2][4],`8*14`(r3) + ld $A[3][0],`8*15`(r3) + ld $A[3][1],`8*16`(r3) + ld $A[3][2],`8*17`(r3) + ld $A[3][3],`8*18`(r3) + ld $A[3][4],`8*19`(r3) + ld $A[4][0],`8*20`(r3) + ld $A[4][1],`8*21`(r3) + ld $A[4][2],`8*22`(r3) + ld $A[4][3],`8*23`(r3) + ld $A[4][4],`8*24`(r3) + + bl KeccakF1600_int + + $POP r3,`$LOCALS+0*$SIZE_T`($sp) + std $A[0][0],`8*0`(r3) ; return A[5][5] + std $A[0][1],`8*1`(r3) + std $A[0][2],`8*2`(r3) + std $A[0][3],`8*3`(r3) + std $A[0][4],`8*4`(r3) + std $A[1][0],`8*5`(r3) + std $A[1][1],`8*6`(r3) + std $A[1][2],`8*7`(r3) + std $A[1][3],`8*8`(r3) + std $A[1][4],`8*9`(r3) + std $A[2][0],`8*10`(r3) + std $A[2][1],`8*11`(r3) + std $A[2][2],`8*12`(r3) + std $A[2][3],`8*13`(r3) + std $A[2][4],`8*14`(r3) + std $A[3][0],`8*15`(r3) + std $A[3][1],`8*16`(r3) + std $A[3][2],`8*17`(r3) + std $A[3][3],`8*18`(r3) + std $A[3][4],`8*19`(r3) + std $A[4][0],`8*20`(r3) + std $A[4][1],`8*21`(r3) + std $A[4][2],`8*22`(r3) + std $A[4][3],`8*23`(r3) + std $A[4][4],`8*24`(r3) + + $POP r0,`$FRAME+$LRSAVE`($sp) + $POP r14,`$FRAME-$SIZE_T*18`($sp) + $POP r15,`$FRAME-$SIZE_T*17`($sp) + $POP r16,`$FRAME-$SIZE_T*16`($sp) + $POP r17,`$FRAME-$SIZE_T*15`($sp) + $POP r18,`$FRAME-$SIZE_T*14`($sp) + $POP r19,`$FRAME-$SIZE_T*13`($sp) + $POP r20,`$FRAME-$SIZE_T*12`($sp) + $POP r21,`$FRAME-$SIZE_T*11`($sp) + $POP r22,`$FRAME-$SIZE_T*10`($sp) + $POP r23,`$FRAME-$SIZE_T*9`($sp) + $POP r24,`$FRAME-$SIZE_T*8`($sp) + $POP r25,`$FRAME-$SIZE_T*7`($sp) + $POP r26,`$FRAME-$SIZE_T*6`($sp) + $POP r27,`$FRAME-$SIZE_T*5`($sp) + $POP r28,`$FRAME-$SIZE_T*4`($sp) + $POP r29,`$FRAME-$SIZE_T*3`($sp) + $POP r30,`$FRAME-$SIZE_T*2`($sp) + $POP r31,`$FRAME-$SIZE_T*1`($sp) + mtlr r0 + addi $sp,$sp,$FRAME + blr + .long 0 + .byte 0,12,4,1,0x80,18,1,0 + .long 0 +.size KeccakF1600,.-KeccakF1600 + +.type dword_le_load,\@function +.align 5 +dword_le_load: + lbzu r0,1(r3) + lbzu r4,1(r3) + lbzu r5,1(r3) + insrdi r0,r4,8,48 + lbzu r4,1(r3) + insrdi r0,r5,8,40 + lbzu r5,1(r3) + insrdi r0,r4,8,32 + lbzu r4,1(r3) + insrdi r0,r5,8,24 + lbzu r5,1(r3) + insrdi r0,r4,8,16 + lbzu r4,1(r3) + insrdi r0,r5,8,8 + insrdi r0,r4,8,0 + blr + .long 0 + .byte 0,12,0x14,0,0,0,1,0 + .long 0 +.size dword_le_load,.-dword_le_load + +.globl SHA3_absorb +.type SHA3_absorb,\@function +.align 5 +SHA3_absorb: + $STU $sp,-$FRAME($sp) + mflr r0 + $PUSH r14,`$FRAME-$SIZE_T*18`($sp) + $PUSH r15,`$FRAME-$SIZE_T*17`($sp) + $PUSH r16,`$FRAME-$SIZE_T*16`($sp) + $PUSH r17,`$FRAME-$SIZE_T*15`($sp) + $PUSH r18,`$FRAME-$SIZE_T*14`($sp) + $PUSH r19,`$FRAME-$SIZE_T*13`($sp) + $PUSH r20,`$FRAME-$SIZE_T*12`($sp) + $PUSH r21,`$FRAME-$SIZE_T*11`($sp) + $PUSH r22,`$FRAME-$SIZE_T*10`($sp) + $PUSH r23,`$FRAME-$SIZE_T*9`($sp) + $PUSH r24,`$FRAME-$SIZE_T*8`($sp) + $PUSH r25,`$FRAME-$SIZE_T*7`($sp) + $PUSH r26,`$FRAME-$SIZE_T*6`($sp) + $PUSH r27,`$FRAME-$SIZE_T*5`($sp) + $PUSH r28,`$FRAME-$SIZE_T*4`($sp) + $PUSH r29,`$FRAME-$SIZE_T*3`($sp) + $PUSH r30,`$FRAME-$SIZE_T*2`($sp) + $PUSH r31,`$FRAME-$SIZE_T*1`($sp) + $PUSH r0,`$FRAME+$LRSAVE`($sp) + + bl PICmeup + subi r4,r4,1 ; prepare for lbzu + subi r12,r12,8 ; prepare for ldu + + $PUSH r3,`$LOCALS+0*$SIZE_T`($sp) ; save A[][] + $PUSH r4,`$LOCALS+1*$SIZE_T`($sp) ; save inp + $PUSH r5,`$LOCALS+2*$SIZE_T`($sp) ; save len + $PUSH r6,`$LOCALS+3*$SIZE_T`($sp) ; save bsz + mr r0,r6 + $PUSH r12,`$LOCALS+4*$SIZE_T`($sp) + + ld $A[0][0],`8*0`(r3) ; load A[5][5] + ld $A[0][1],`8*1`(r3) + ld $A[0][2],`8*2`(r3) + ld $A[0][3],`8*3`(r3) + ld $A[0][4],`8*4`(r3) + ld $A[1][0],`8*5`(r3) + ld $A[1][1],`8*6`(r3) + ld $A[1][2],`8*7`(r3) + ld $A[1][3],`8*8`(r3) + ld $A[1][4],`8*9`(r3) + ld $A[2][0],`8*10`(r3) + ld $A[2][1],`8*11`(r3) + ld $A[2][2],`8*12`(r3) + ld $A[2][3],`8*13`(r3) + ld $A[2][4],`8*14`(r3) + ld $A[3][0],`8*15`(r3) + ld $A[3][1],`8*16`(r3) + ld $A[3][2],`8*17`(r3) + ld $A[3][3],`8*18`(r3) + ld $A[3][4],`8*19`(r3) + ld $A[4][0],`8*20`(r3) + ld $A[4][1],`8*21`(r3) + ld $A[4][2],`8*22`(r3) + ld $A[4][3],`8*23`(r3) + ld $A[4][4],`8*24`(r3) + + mr r3,r4 + mr r4,r5 + mr r5,r0 + + b .Loop_absorb + +.align 4 +.Loop_absorb: + $UCMP r4,r5 ; len < bsz? + blt .Labsorbed + + sub r4,r4,r5 ; len -= bsz + srwi r5,r5,3 + $PUSH r4,`$LOCALS+2*$SIZE_T`($sp) ; save len + mtctr r5 + bl dword_le_load ; *inp++ + xor $A[0][0],$A[0][0],r0 + bdz .Lprocess_block + bl dword_le_load ; *inp++ + xor $A[0][1],$A[0][1],r0 + bdz .Lprocess_block + bl dword_le_load ; *inp++ + xor $A[0][2],$A[0][2],r0 + bdz .Lprocess_block + bl dword_le_load ; *inp++ + xor $A[0][3],$A[0][3],r0 + bdz .Lprocess_block + bl dword_le_load ; *inp++ + xor $A[0][4],$A[0][4],r0 + bdz .Lprocess_block + bl dword_le_load ; *inp++ + xor $A[1][0],$A[1][0],r0 + bdz .Lprocess_block + bl dword_le_load ; *inp++ + xor $A[1][1],$A[1][1],r0 + bdz .Lprocess_block + bl dword_le_load ; *inp++ + xor $A[1][2],$A[1][2],r0 + bdz .Lprocess_block + bl dword_le_load ; *inp++ + xor $A[1][3],$A[1][3],r0 + bdz .Lprocess_block + bl dword_le_load ; *inp++ + xor $A[1][4],$A[1][4],r0 + bdz .Lprocess_block + bl dword_le_load ; *inp++ + xor $A[2][0],$A[2][0],r0 + bdz .Lprocess_block + bl dword_le_load ; *inp++ + xor $A[2][1],$A[2][1],r0 + bdz .Lprocess_block + bl dword_le_load ; *inp++ + xor $A[2][2],$A[2][2],r0 + bdz .Lprocess_block + bl dword_le_load ; *inp++ + xor $A[2][3],$A[2][3],r0 + bdz .Lprocess_block + bl dword_le_load ; *inp++ + xor $A[2][4],$A[2][4],r0 + bdz .Lprocess_block + bl dword_le_load ; *inp++ + xor $A[3][0],$A[3][0],r0 + bdz .Lprocess_block + bl dword_le_load ; *inp++ + xor $A[3][1],$A[3][1],r0 + bdz .Lprocess_block + bl dword_le_load ; *inp++ + xor $A[3][2],$A[3][2],r0 + bdz .Lprocess_block + bl dword_le_load ; *inp++ + xor $A[3][3],$A[3][3],r0 + bdz .Lprocess_block + bl dword_le_load ; *inp++ + xor $A[3][4],$A[3][4],r0 + bdz .Lprocess_block + bl dword_le_load ; *inp++ + xor $A[4][0],$A[4][0],r0 + bdz .Lprocess_block + bl dword_le_load ; *inp++ + xor $A[4][1],$A[4][1],r0 + bdz .Lprocess_block + bl dword_le_load ; *inp++ + xor $A[4][2],$A[4][2],r0 + bdz .Lprocess_block + bl dword_le_load ; *inp++ + xor $A[4][3],$A[4][3],r0 + bdz .Lprocess_block + bl dword_le_load ; *inp++ + xor $A[4][4],$A[4][4],r0 + +.Lprocess_block: + $PUSH r3,`$LOCALS+1*$SIZE_T`($sp) ; save inp + + bl KeccakF1600_int + + $POP r0,`$LOCALS+4*$SIZE_T`($sp) ; pull iotas[24] + $POP r5,`$LOCALS+3*$SIZE_T`($sp) ; restore bsz + $POP r4,`$LOCALS+2*$SIZE_T`($sp) ; restore len + $POP r3,`$LOCALS+1*$SIZE_T`($sp) ; restore inp + addic r0,r0,`-8*24` ; rewind iotas + $PUSH r0,`$LOCALS+4*$SIZE_T`($sp) + + b .Loop_absorb + +.align 4 +.Labsorbed: + $POP r3,`$LOCALS+0*$SIZE_T`($sp) + std $A[0][0],`8*0`(r3) ; return A[5][5] + std $A[0][1],`8*1`(r3) + std $A[0][2],`8*2`(r3) + std $A[0][3],`8*3`(r3) + std $A[0][4],`8*4`(r3) + std $A[1][0],`8*5`(r3) + std $A[1][1],`8*6`(r3) + std $A[1][2],`8*7`(r3) + std $A[1][3],`8*8`(r3) + std $A[1][4],`8*9`(r3) + std $A[2][0],`8*10`(r3) + std $A[2][1],`8*11`(r3) + std $A[2][2],`8*12`(r3) + std $A[2][3],`8*13`(r3) + std $A[2][4],`8*14`(r3) + std $A[3][0],`8*15`(r3) + std $A[3][1],`8*16`(r3) + std $A[3][2],`8*17`(r3) + std $A[3][3],`8*18`(r3) + std $A[3][4],`8*19`(r3) + std $A[4][0],`8*20`(r3) + std $A[4][1],`8*21`(r3) + std $A[4][2],`8*22`(r3) + std $A[4][3],`8*23`(r3) + std $A[4][4],`8*24`(r3) + + mr r3,r4 ; return value + $POP r0,`$FRAME+$LRSAVE`($sp) + $POP r14,`$FRAME-$SIZE_T*18`($sp) + $POP r15,`$FRAME-$SIZE_T*17`($sp) + $POP r16,`$FRAME-$SIZE_T*16`($sp) + $POP r17,`$FRAME-$SIZE_T*15`($sp) + $POP r18,`$FRAME-$SIZE_T*14`($sp) + $POP r19,`$FRAME-$SIZE_T*13`($sp) + $POP r20,`$FRAME-$SIZE_T*12`($sp) + $POP r21,`$FRAME-$SIZE_T*11`($sp) + $POP r22,`$FRAME-$SIZE_T*10`($sp) + $POP r23,`$FRAME-$SIZE_T*9`($sp) + $POP r24,`$FRAME-$SIZE_T*8`($sp) + $POP r25,`$FRAME-$SIZE_T*7`($sp) + $POP r26,`$FRAME-$SIZE_T*6`($sp) + $POP r27,`$FRAME-$SIZE_T*5`($sp) + $POP r28,`$FRAME-$SIZE_T*4`($sp) + $POP r29,`$FRAME-$SIZE_T*3`($sp) + $POP r30,`$FRAME-$SIZE_T*2`($sp) + $POP r31,`$FRAME-$SIZE_T*1`($sp) + mtlr r0 + addi $sp,$sp,$FRAME + blr + .long 0 + .byte 0,12,4,1,0x80,18,4,0 + .long 0 +.size SHA3_absorb,.-SHA3_absorb +___ +{ +my ($A_flat,$out,$len,$bsz) = map("r$_",(28..31)); +$code.=<<___; +.globl SHA3_squeeze +.type SHA3_squeeze,\@function +.align 5 +SHA3_squeeze: + $STU $sp,`-10*$SIZE_T`($sp) + mflr r0 + $PUSH r28,`6*$SIZE_T`($sp) + $PUSH r29,`7*$SIZE_T`($sp) + $PUSH r30,`8*$SIZE_T`($sp) + $PUSH r31,`9*$SIZE_T`($sp) + $PUSH r0,`10*$SIZE_T+$LRSAVE`($sp) + + mr $A_flat,r3 + subi r3,r3,8 ; prepare for ldu + subi $out,r4,1 ; prepare for stbu + mr $len,r5 + mr $bsz,r6 + b .Loop_squeeze + +.align 4 +.Loop_squeeze: + ldu r0,8(r3) + ${UCMP}i $len,8 + blt .Lsqueeze_tail + + stbu r0,1($out) + srdi r0,r0,8 + stbu r0,1($out) + srdi r0,r0,8 + stbu r0,1($out) + srdi r0,r0,8 + stbu r0,1($out) + srdi r0,r0,8 + stbu r0,1($out) + srdi r0,r0,8 + stbu r0,1($out) + srdi r0,r0,8 + stbu r0,1($out) + srdi r0,r0,8 + stbu r0,1($out) + + subic. $len,$len,8 + beq .Lsqueeze_done + + subic. r6,r6,8 + bgt .Loop_squeeze + + mr r3,$A_flat + bl KeccakF1600 + subi r3,$A_flat,8 ; prepare for ldu + mr r6,$bsz + b .Loop_squeeze + +.align 4 +.Lsqueeze_tail: + mtctr $len +.Loop_tail: + stbu r0,1($out) + srdi r0,r0,8 + bdnz .Loop_tail + +.Lsqueeze_done: + $POP r0,`10*$SIZE_T+$LRSAVE`($sp) + $POP r28,`6*$SIZE_T`($sp) + $POP r29,`7*$SIZE_T`($sp) + $POP r30,`8*$SIZE_T`($sp) + $POP r31,`9*$SIZE_T`($sp) + mtlr r0 + addi $sp,$sp,`10*$SIZE_T` + blr + .long 0 + .byte 0,12,4,1,0x80,4,4,0 + .long 0 +.size SHA3_squeeze,.-SHA3_squeeze +___ +} + +# Ugly hack here, because PPC assembler syntax seem to vary too +# much from platforms to platform... +$code.=<<___; +.align 6 +PICmeup: + mflr r0 + bcl 20,31,\$+4 + mflr r12 ; vvvvvv "distance" between . and 1st data entry + addi r12,r12,`64-8` + mtlr r0 + blr + .long 0 + .byte 0,12,0x14,0,0,0,0,0 + .space `64-9*4` +.type iotas,\@object +iotas: + .quad 0x0000000000000001 + .quad 0x0000000000008082 + .quad 0x800000000000808a + .quad 0x8000000080008000 + .quad 0x000000000000808b + .quad 0x0000000080000001 + .quad 0x8000000080008081 + .quad 0x8000000000008009 + .quad 0x000000000000008a + .quad 0x0000000000000088 + .quad 0x0000000080008009 + .quad 0x000000008000000a + .quad 0x000000008000808b + .quad 0x800000000000008b + .quad 0x8000000000008089 + .quad 0x8000000000008003 + .quad 0x8000000000008002 + .quad 0x8000000000000080 + .quad 0x000000000000800a + .quad 0x800000008000000a + .quad 0x8000000080008081 + .quad 0x8000000000008080 + .quad 0x0000000080000001 + .quad 0x8000000080008008 +.size iotas,.-iotas +.asciz "Keccak-1600 absorb and squeeze for PPC64, CRYPTOGAMS by <appro\@openssl.org>" +___ + +$code =~ s/\`([^\`]*)\`/eval $1/gem; +print $code; +close STDOUT; |