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| author | Torbjorn Granlund <tg@gmplib.org> | 2021-10-31 02:09:33 +0100 |
|---|---|---|
| committer | Torbjorn Granlund <tg@gmplib.org> | 2021-10-31 02:09:33 +0100 |
| commit | e274aee93a8c7b66c3d5f4bf4ce552128fded25e (patch) | |
| tree | 0cb41addb64ac8633be412a57b42146aa0ad90c8 /mpn | |
| parent | ae427956fe90e72a2482fa66f9a6904b94a7c5fb (diff) | |
| download | gmp-e274aee93a8c7b66c3d5f4bf4ce552128fded25e.tar.gz | |
New file.
Diffstat (limited to 'mpn')
| -rw-r--r-- | mpn/s390_64/sec_tabselect.asm | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/mpn/s390_64/sec_tabselect.asm b/mpn/s390_64/sec_tabselect.asm new file mode 100644 index 000000000..4bfee09ed --- /dev/null +++ b/mpn/s390_64/sec_tabselect.asm @@ -0,0 +1,89 @@ +dnl S/390-64 mpn_sec_tabselect + +dnl Copyright 2021 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 ? +C z990 ? +C z9 ? +C z10 ? +C z196 ? +C z13 ? +C z14 ? +C z15 ? + +dnl void +dnl mpn_sec_tabselect (volatile mp_limb_t *rp, volatile const mp_limb_t *tab, +dnl mp_size_t n, mp_size_t nents, mp_size_t which) + +define(`rp', `%r2') +define(`tp', `%r3') +define(`n', `%r4') +define(`nents', `%r5') +define(`which', `%r6') + +ASM_START() +PROLOGUE(mpn_sec_tabselect) + stmg %r7, %r8, 56(%r15) + lgr %r8, n + sllg n, n, 3 + +L(cpy): lg %r0, 0(tp) + stg %r0, 0(rp) + aghi tp, 8 + aghi rp, 8 + brctg %r8, L(cpy) + + aghi nents, -1 + jle L(ret) + slfi which, 1 + +L(outer): + slfi which, 1 + slbgr %r0, %r0 + sgr rp, n + srlg %r8, n, 3 + +L(top): lg %r1, 0(rp) + lg %r7, 0(tp) + xgr %r7, %r1 + ngr %r7, %r0 + xgr %r1, %r7 + stg %r1, 0(rp) + aghi tp, 8 + aghi rp, 8 + brctg %r8, L(top) + + brctg nents, L(outer) + +L(ret): lmg %r7, %r8, 56(%r15) + br %r14 +EPILOGUE() |