diff options
Diffstat (limited to 'Build/source/libs/gmp/gmp-6.0.0/mpn/s390_32/esame/mul_1.asm')
-rw-r--r-- | Build/source/libs/gmp/gmp-6.0.0/mpn/s390_32/esame/mul_1.asm | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/Build/source/libs/gmp/gmp-6.0.0/mpn/s390_32/esame/mul_1.asm b/Build/source/libs/gmp/gmp-6.0.0/mpn/s390_32/esame/mul_1.asm new file mode 100644 index 00000000000..04be9636518 --- /dev/null +++ b/Build/source/libs/gmp/gmp-6.0.0/mpn/s390_32/esame/mul_1.asm @@ -0,0 +1,66 @@ +dnl S/390-32 mpn_mul_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 14 +C z990 9 +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_mul_1) + stm %r11, %r12, 44(%r15) + lhi %r12, 0 C zero index register + ahi %r12, 0 C clear carry flag + lhi %r11, 0 C clear carry limb + +L(top): l %r1, 0(%r12,up) + mlr %r0, v0 + alcr %r1, %r11 + lr %r11, %r0 C copy high part to carry limb + st %r1, 0(%r12,rp) + la %r12, 4(%r12) + brct n, L(top) + + lhi %r2, 0 + alcr %r2, %r11 + + lm %r11, %r12, 44(%r15) + br %r14 +EPILOGUE() |