Signed-off-by: Amitay Isaacs <ami...@ozlabs.org> --- powerpc64/ecc-secp192r1-modp.asm | 93 ++++++++++++++++++++++++++++++++ 1 file changed, 93 insertions(+) create mode 100644 powerpc64/ecc-secp192r1-modp.asm
diff --git a/powerpc64/ecc-secp192r1-modp.asm b/powerpc64/ecc-secp192r1-modp.asm new file mode 100644 index 00000000..97c71a83 --- /dev/null +++ b/powerpc64/ecc-secp192r1-modp.asm @@ -0,0 +1,93 @@ +C powerpc64/ecc-secp192r1-modp.asm + +ifelse(` + Copyright (C) 2021 Amitay Isaacs, IBM Corporation + + This file is part of GNU Nettle. + + GNU Nettle is free software: you can redistribute it and/or + modify it under the terms of either: + + * the GNU Lesser General Public License as published by the Free + Software Foundation; either version 3 of the License, or (at your + option) any later version. + + or + + * the GNU General Public License as published by the Free + Software Foundation; either version 2 of the License, or (at your + option) any later version. + + or both in parallel, as here. + + GNU Nettle is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received copies of the GNU General Public License and + the GNU Lesser General Public License along with this program. If + not, see http://www.gnu.org/licenses/. +') + + .file "ecc-secp192r1-modp.asm" + +define(`RP', `r4') +define(`XP', `r5') + +define(`T0', `r6') +define(`T1', `r7') +define(`T2', `r8') +define(`T3', `r9') +define(`C1', `r10') +define(`C2', `r11') + + C void ecc_secp192r1_modp (const struct ecc_modulo *m, mp_limb_t *rp) + .text +define(`FUNC_ALIGN', `5') +PROLOGUE(_nettle_ecc_secp192r1_modp) + ld T0, 0(XP) + ld T1, 8(XP) + ld T2, 16(XP) + + li C1, 0 + li C2, 0 + + ld T3, 24(XP) + addc T0, T3, T0 + adde T1, T3, T1 + addze T2, T2 + addze C1, C1 + + ld T3, 32(XP) + addc T1, T3, T1 + adde T2, T3, T2 + addze C1, C1 + + ld T3, 40(XP) + addc T0, T3, T0 + adde T1, T3, T1 + adde T2, T3, T2 + addze C1, C1 + + addc T0, C1, T0 + adde T1, C1, T1 + addze T2, T2 + addze C2, C2 + + li C1, 0 + addc T0, C2, T0 + adde T1, C2, T1 + addze T2, T2 + addze C1, C1 + + addc T0, C1, T0 + adde T1, C1, T1 + addze T2, T2 + + std T0, 0(RP) + std T1, 8(RP) + std T2, 16(RP) + + blr +EPILOGUE(_nettle_ecc_secp192r1_modp) -- 2.33.1 _______________________________________________ nettle-bugs mailing list nettle-bugs@lists.lysator.liu.se http://lists.lysator.liu.se/mailman/listinfo/nettle-bugs
