diff options
Diffstat (limited to 'gmp-6.3.0/mpn/s390_64/mod_34lsub1.asm')
| -rw-r--r-- | gmp-6.3.0/mpn/s390_64/mod_34lsub1.asm | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/gmp-6.3.0/mpn/s390_64/mod_34lsub1.asm b/gmp-6.3.0/mpn/s390_64/mod_34lsub1.asm new file mode 100644 index 0000000..fd40011 --- /dev/null +++ b/gmp-6.3.0/mpn/s390_64/mod_34lsub1.asm @@ -0,0 +1,109 @@ +dnl S/390-64 mpn_mod_34lsub1 + +dnl Copyright 2011 Free Software Foundation, Inc. + +dnl This file is part of the GNU MP Library. +dnl +dnl The GNU MP Library is free software; you can redistribute it and/or modify +dnl it under the terms of either: +dnl +dnl * the GNU Lesser General Public License as published by the Free +dnl Software Foundation; either version 3 of the License, or (at your +dnl option) any later version. +dnl +dnl or +dnl +dnl * the GNU General Public License as published by the Free Software +dnl Foundation; either version 2 of the License, or (at your option) any +dnl later version. +dnl +dnl or both in parallel, as here. +dnl +dnl The GNU MP Library is distributed in the hope that it will be useful, but +dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +dnl for more details. +dnl +dnl You should have received copies of the GNU General Public License and the +dnl GNU Lesser General Public License along with the GNU MP Library. If not, +dnl see https://www.gnu.org/licenses/. + +include(`../config.m4') + +C cycles/limb +C z900 5.8 +C z990 2 +C z9 ? +C z10 4.5 +C z196 ? + +C TODO +C * Optimise summation code, see x86_64. + +C INPUT PARAMETERS +define(`rp', `%r2') +define(`n', `%r3') + +ASM_START() +PROLOGUE(mpn_mod_34lsub1) + stmg %r7, %r12, 56(%r15) + lghi %r11, 0 + lghi %r12, 0 + lghi %r0, 0 + lghi %r8, 0 + lghi %r9, 0 + lghi %r10, 0 + lghi %r7, 0 + aghi %r3, -3 + jl .L3 + +L(top): alg %r0, 0(%r2) + alcg %r12, 8(%r2) + alcg %r11, 16(%r2) + alcgr %r8, %r7 + la %r2, 24(%r2) + aghi %r3, -3 + jnl L(top) + + lgr %r7, %r8 + srlg %r1, %r11, 16 + nihh %r7, 0 C 0xffffffffffff + agr %r7, %r1 + srlg %r8, %r8, 48 + agr %r7, %r8 + sllg %r11, %r11, 32 + nihh %r11, 0 + agr %r7, %r11 +.L3: + cghi %r3, -3 + je .L6 + alg %r0, 0(%r2) + alcgr %r10, %r10 + cghi %r3, -2 + je .L6 + alg %r12, 8(%r2) + alcgr %r9, %r9 +.L6: + srlg %r1, %r0, 48 + nihh %r0, 0 C 0xffffffffffff + agr %r0, %r1 + agr %r0, %r7 + srlg %r1, %r12, 32 + agr %r0, %r1 + srlg %r1, %r10, 32 + agr %r0, %r1 + llgfr %r12, %r12 + srlg %r1, %r9, 16 + sllg %r12, %r12, 16 + llgfr %r10, %r10 + agr %r0, %r1 + llill %r2, 65535 + agr %r0, %r12 + sllg %r10, %r10, 16 + ngr %r2, %r9 + agr %r0, %r10 + sllg %r2, %r2, 32 + agr %r2, %r0 + lmg %r7, %r12, 56(%r15) + br %r14 +EPILOGUE() |