From 11da511c784eca003deb90c23570f0873954e0de Mon Sep 17 00:00:00 2001 From: Duncan Wilkie Date: Sat, 18 Nov 2023 06:11:09 -0600 Subject: Initial commit. --- gmp-6.3.0/mpn/pa32/add_n.asm | 63 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 gmp-6.3.0/mpn/pa32/add_n.asm (limited to 'gmp-6.3.0/mpn/pa32/add_n.asm') diff --git a/gmp-6.3.0/mpn/pa32/add_n.asm b/gmp-6.3.0/mpn/pa32/add_n.asm new file mode 100644 index 0000000..46f3937 --- /dev/null +++ b/gmp-6.3.0/mpn/pa32/add_n.asm @@ -0,0 +1,63 @@ +dnl HP-PA mpn_add_n -- Add two limb vectors of the same length > 0 and store +dnl sum in a third limb vector. + +dnl Copyright 1992, 1994, 2000-2002 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 INPUT PARAMETERS +C res_ptr gr26 +C s1_ptr gr25 +C s2_ptr gr24 +C size gr23 + +C One might want to unroll this as for other processors, but it turns out that +C the data cache contention after a store makes such unrolling useless. We +C can't come under 5 cycles/limb anyway. + +ASM_START() +PROLOGUE(mpn_add_n) + ldws,ma 4(0,%r25),%r20 + ldws,ma 4(0,%r24),%r19 + + addib,= -1,%r23,L(end) C check for (SIZE == 1) + add %r20,%r19,%r28 C add first limbs ignoring cy + +LDEF(loop) + ldws,ma 4(0,%r25),%r20 + ldws,ma 4(0,%r24),%r19 + stws,ma %r28,4(0,%r26) + addib,<> -1,%r23,L(loop) + addc %r20,%r19,%r28 + +LDEF(end) + stws %r28,0(0,%r26) + bv 0(%r2) + addc %r0,%r0,%r28 +EPILOGUE() -- cgit v1.2.3