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authorDuncan Wilkie <antigravityd@gmail.com>2023-11-18 06:11:09 -0600
committerDuncan Wilkie <antigravityd@gmail.com>2023-11-18 06:11:09 -0600
commit11da511c784eca003deb90c23570f0873954e0de (patch)
treee14fdd3d5d6345956d67e79ae771d0633d28362b /gmp-6.3.0/mpn/sparc32/v9/udiv.asm
Initial commit.
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+dnl SPARC v9 32-bit mpn_udiv_qrnnd - division support for longlong.h.
+
+dnl Copyright 2002, 2003 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 o0
+C n1 o1
+C n0 o2
+C d o3
+
+ASM_START()
+PROLOGUE(mpn_udiv_qrnnd)
+ sllx %o1, 32, %g1 C shift upper dividend limb
+ srl %o2, 0, %g2 C zero extend lower dividend limb
+ srl %o3, 0, %g3 C zero extend divisor
+ or %g2, %g1, %g1 C assemble 64-bit dividend
+ udivx %g1, %g3, %g1
+ mulx %g1, %g3, %g4
+ sub %g2, %g4, %g2
+ st %g2, [%o0] C store remainder
+ retl
+ mov %g1, %o0 C return quotient
+EPILOGUE(mpn_udiv_qrnnd)