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| author | Duncan Wilkie <antigravityd@gmail.com> | 2023-11-18 06:11:09 -0600 |
|---|---|---|
| committer | Duncan Wilkie <antigravityd@gmail.com> | 2023-11-18 06:11:09 -0600 |
| commit | 11da511c784eca003deb90c23570f0873954e0de (patch) | |
| tree | e14fdd3d5d6345956d67e79ae771d0633d28362b /gmp-6.3.0/mpn/s390_32/esame/submul_1.asm | |
Initial commit.
Diffstat (limited to 'gmp-6.3.0/mpn/s390_32/esame/submul_1.asm')
| -rw-r--r-- | gmp-6.3.0/mpn/s390_32/esame/submul_1.asm | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/gmp-6.3.0/mpn/s390_32/esame/submul_1.asm b/gmp-6.3.0/mpn/s390_32/esame/submul_1.asm new file mode 100644 index 0000000..a71e57e --- /dev/null +++ b/gmp-6.3.0/mpn/s390_32/esame/submul_1.asm @@ -0,0 +1,70 @@ +dnl S/390-32 mpn_submul_1 for systems with MLR instruction. + +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 20 +C z990 11 +C z9 ? +C z10 ? +C z196 ? + +C INPUT PARAMETERS +define(`rp', `%r2') +define(`up', `%r3') +define(`n', `%r4') +define(`v0', `%r5') + +ASM_START() +PROLOGUE(mpn_submul_1) + stm %r9, %r12, 36(%r15) + lhi %r12, 0 + slr %r11, %r11 + +L(top): l %r1, 0(%r12, up) + l %r10, 0(%r12, rp) + mlr %r0, v0 + slbr %r10, %r1 + slbr %r9, %r9 + slr %r0, %r9 C conditional incr + slr %r10, %r11 + lr %r11, %r0 + st %r10, 0(%r12, rp) + la %r12, 4(%r12) + brct %r4, L(top) + + lr %r2, %r11 + slbr %r9, %r9 + slr %r2, %r9 + + lm %r9, %r12, 36(%r15) + br %r14 +EPILOGUE() |