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/sparc32/udiv.asm | 147 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 147 insertions(+) create mode 100644 gmp-6.3.0/mpn/sparc32/udiv.asm (limited to 'gmp-6.3.0/mpn/sparc32/udiv.asm') diff --git a/gmp-6.3.0/mpn/sparc32/udiv.asm b/gmp-6.3.0/mpn/sparc32/udiv.asm new file mode 100644 index 0000000..cbc24b1 --- /dev/null +++ b/gmp-6.3.0/mpn/sparc32/udiv.asm @@ -0,0 +1,147 @@ +dnl SPARC v7 __udiv_qrnnd division support, used from longlong.h. +dnl This is for v7 CPUs with a floating-point unit. + +dnl Copyright 1993, 1994, 1996, 2000, 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 INPUT PARAMETERS +C rem_ptr i0 +C n1 i1 +C n0 i2 +C d i3 + +ASM_START() +PROLOGUE(mpn_udiv_qrnnd) + save %sp,-104,%sp + sethi %hi(0x80000000),%g1 + + sethi %hi(0x41e00000),%i4 + mov 0,%i5 + std %i4,[%fp-8] + ldd [%fp-8],%f12 C 0r2147483648 + faddd %f12,%f12,%f8 C 0r4294967296 + + mov %i0,%i5 + + sub %i1,%g1,%l0 + sub %i2,%g1,%l1 + std %l0,[%fp-8] + ldd [%fp-8],%f10 + + fitod %f10,%f4 + faddd %f4,%f12,%f4 + + fitod %f11,%f2 + faddd %f2,%f12,%f2 + + fmuld %f4,%f8,%f6 + + sub %i3,%g1,%l2 + st %l2,[%fp-8] + faddd %f6,%f2,%f2 + ld [%fp-8],%f10 + fitod %f10,%f4 + faddd %f4,%f12,%f4 + + fdivd %f2,%f4,%f2 + fcmped %f2,%f12 + nop + fbge,a L(1) + fsubd %f2,%f12,%f2 + fdtoi %f2,%f2 + st %f2,[%fp-8] + b L(2) + ld [%fp-8],%i4 +L(1): + fdtoi %f2,%f2 + st %f2,[%fp-8] + ld [%fp-8],%i4 + add %i4,%g1,%i4 +L(2): + wr %g0,%i4,%y + sra %i3,31,%g2 + and %i4,%g2,%g2 + andcc %g0,0,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,%i3,%g1 + mulscc %g1,0,%g1 + add %g1,%g2,%i0 + rd %y,%g3 + subcc %i2,%g3,%o7 + subxcc %i1,%i0,%g0 + be L(3) + cmp %o7,%i3 + + add %i4,-1,%i0 + add %o7,%i3,%o7 + st %o7,[%i5] + ret + restore +L(3): + blu L(4) + mov %i4,%i0 + add %i4,1,%i0 + sub %o7,%i3,%o7 +L(4): + st %o7,[%i5] + ret + restore +EPILOGUE(mpn_udiv_qrnnd) -- cgit v1.2.3