diff options
| author | Torbjorn Granlund <tege@gmplib.org> | 2011-10-16 23:48:42 +0200 |
|---|---|---|
| committer | Torbjorn Granlund <tege@gmplib.org> | 2011-10-16 23:48:42 +0200 |
| commit | 3fdc2ef423c5be3c00efdb912d7b3cc38ce751d4 (patch) | |
| tree | 7fab761d3a4aadab5784953d16ee6910b9610813 /mpn/s390_32 | |
| parent | dcd0edaea67cbfdcb00ec924ea7d3e37cc4d3822 (diff) | |
| download | gmp-3fdc2ef423c5be3c00efdb912d7b3cc38ce751d4.tar.gz | |
New file.
Diffstat (limited to 'mpn/s390_32')
| -rw-r--r-- | mpn/s390_32/esame/sqr_diag_addlsh1.asm | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/mpn/s390_32/esame/sqr_diag_addlsh1.asm b/mpn/s390_32/esame/sqr_diag_addlsh1.asm new file mode 100644 index 000000000..1d0e3c890 --- /dev/null +++ b/mpn/s390_32/esame/sqr_diag_addlsh1.asm @@ -0,0 +1,73 @@ +dnl S/390-32 mpn_sqr_diag_addlsh1 + +dnl Copyright 2011 Free Software Foundation, Inc. + +dnl This file is part of the GNU MP Library. + +dnl The GNU MP Library is free software; you can redistribute it and/or modify +dnl it under the terms of the GNU Lesser General Public License as published +dnl by the Free Software Foundation; either version 3 of the License, or (at +dnl your option) any later version. + +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 Lesser General Public +dnl License for more details. + +dnl You should have received a copy of the GNU Lesser General Public License +dnl along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. + +include(`../config.m4') + +C cycles/limb +C z990 8 + +C INPUT PARAMETERS +define(`rp', `%r2') +define(`tp', `%r3') +define(`up', `%r4') +define(`n', `%r5') + +ASM_START() +PROLOGUE(mpn_sqr_diag_addlsh1) + stm %r6, %r11, 24(%r15) + + lhi %r11, -1 C save non-carry state + + l %r1, 0(up) + mlr %r0, %r1 + ahi n, -1 + l %r7, 0(tp) + alr %r7, %r7 + lhi %r6, 0 + j L(mid) + +L(top): lm %r6, %r7, 4(tp) + la tp, 8(tp) + alcr %r6, %r6 + alcr %r7, %r7 +L(mid): slbr %r10, %r10 C save carry + ahi %r11, 1 C restore old carry + alcr %r6, %r1 + alcr %r7, %r0 + stm %r6, %r7, 0(rp) + la rp, 8(rp) + l %r1, 4(up) + la up, 4(up) + lr %r11, %r10 C copy carry save register + mlr %r0, %r1 + brct n, L(top) + +L(end): l %r6, 4(tp) + alcr %r6, %r6 + slbr %r10, %r10 C save carry + ahi %r11, 1 C restore old carry + lhi %r7, 1 + alcr %r6, %r1 + alcr %r7, %r0 + alr %r7, %r10 + stm %r6, %r7, 0(rp) + + lm %r6, %r11, 24(%r15) + br %r14 +EPILOGUE() |