diff options
Diffstat (limited to 'gmp-6.3.0/mpn/s390_64/sec_tabselect.asm')
| -rw-r--r-- | gmp-6.3.0/mpn/s390_64/sec_tabselect.asm | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/gmp-6.3.0/mpn/s390_64/sec_tabselect.asm b/gmp-6.3.0/mpn/s390_64/sec_tabselect.asm new file mode 100644 index 0000000..2c97423 --- /dev/null +++ b/gmp-6.3.0/mpn/s390_64/sec_tabselect.asm @@ -0,0 +1,139 @@ +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 1.6 + +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_arg',`%r6') C magicked to stack + +dnl r0 r1 r2 r3 r4 r5 r6 r7 +dnl r8 r9 r10 r11 r12 r13 r14 r15 + +define(`mask', `%r14') +define(`k', `%r1') +define(`which', `%r0') + +define(`FRAME', 64) + +ASM_START() +PROLOGUE(mpn_sec_tabselect) + stmg %r5, %r15, 40(%r15) + aghi %r15, -FRAME + + sllg n, n, 3 + msgr %r5, n + stg %r5, 16(%r15) C nents * n * LIMB_BYTES + + srlg %r5, n, 2+3 + ngr %r5, %r5 + je L(end4) +L(outer): + lg which, eval(48+FRAME)(%r15) + lg k, eval(40+FRAME)(%r15) C nents + lghi %r6, 0 + lghi %r7, 0 + lghi %r8, 0 + lghi %r9, 0 +L(tp4): lghi mask, 1 + slgr which, mask + slbgr mask, mask + lmg %r10, %r13, 0(tp) + ngr %r10, mask + ngr %r11, mask + ngr %r12, mask + ngr %r13, mask + agr %r6, %r10 + agr %r7, %r11 + agr %r8, %r12 + agr %r9, %r13 + agr tp, n + brctg k, L(tp4) + stmg %r6, %r9, 0(rp) + aghi rp, 32 + slg tp, 16(%r15) + aghi tp, eval(4*8) + brctg %r5, L(outer) +L(end4): + tmll n, 16 + je L(end2) + lg which, eval(48+FRAME)(%r15) + lg k, eval(40+FRAME)(%r15) C nents + lghi %r6, 0 + lghi %r7, 0 +L(tp2): lghi mask, 1 + slgr which, mask + slbgr mask, mask + lmg %r10, %r11, 0(tp) + ngr %r10, mask + ngr %r11, mask + agr %r6, %r10 + agr %r7, %r11 + agr tp, n + brctg k, L(tp2) + stmg %r6, %r7, 0(rp) + aghi rp, 16 + slg tp, 16(%r15) + aghi tp, eval(2*8) +L(end2): + tmll n, 8 + je L(end1) + lg which, eval(48+FRAME)(%r15) + lg k, eval(40+FRAME)(%r15) C nents + lghi %r6, 0 +L(tp1): lghi mask, 1 + slgr which, mask + slbgr mask, mask + lg %r10, 0(tp) + ngr %r10, mask + agr %r6, %r10 + agr tp, n + brctg k, L(tp1) + stg %r6, 0(rp) +L(end1): + lmg %r5, %r15, eval(40+FRAME)(%r15) + br %r14 +EPILOGUE() |