Imported gcc-4.4.3

[msp430-gcc.git] / gmp / mpn / sparc32 / v9 / udiv.asm

diff --git a/gmp/mpn/sparc32/v9/udiv.asm b/gmp/mpn/sparc32/v9/udiv.asm
new file mode 100644 (file)
index 0000000..0957b8c
--- /dev/null
+++ b/gmp/mpn/sparc32/v9/udiv.asm
@@ -0,0 +1,41 @@
+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  The GNU MP Library is free software; you can redistribute it and/or modify
+dnl  it under the terms of the GNU Lesser General Public License as published
+dnl  by the Free Software Foundation; either version 3 of the License, or (at
+dnl  your option) any later version.
+
+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 Lesser General Public
+dnl  License for more details.
+
+dnl  You should have received a copy of the GNU Lesser General Public License
+dnl  along with the GNU MP Library.  If not, see http://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)