Imported gcc-4.4.3

[msp430-gcc.git] / gmp / mpn / powerpc64 / umul.asm

diff --git a/gmp/mpn/powerpc64/umul.asm b/gmp/mpn/powerpc64/umul.asm
new file mode 100644 (file)
index 0000000..516be3d
--- /dev/null
+++ b/gmp/mpn/powerpc64/umul.asm
@@ -0,0 +1,42 @@
+dnl PowerPC-64 umul_ppmm -- support for longlong.h
+
+dnl Copyright 2000, 2001, 2005 Free Software Foundation, Inc.
+dnl
+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
+dnl modify it under the terms of the GNU Lesser General Public License as
+dnl published by the Free Software Foundation; either version 3 of the
+dnl License, or (at your option) any later version.
+dnl
+dnl The GNU MP Library is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser
+dnl General Public License for more details.
+dnl
+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 mp_limb_t mpn_umul_ppmm (mp_limb_t *lowptr, mp_limb_t m1, mp_limb_t m2);
+C
+
+ASM_START()
+PROLOGUE(mpn_umul_ppmm)
+
+       C r3    lowptr
+       C r4    m1
+       C r5    m2
+
+       mulld   r0, r4, r5
+       mulhdu  r4, r4, r5
+       std     r0, 0(r3)
+ifdef(`HAVE_ABI_mode32',
+`      srdi    r3, r4, 32
+',`    mr      r3, r4
+')
+       blr
+
+EPILOGUE(mpn_umul_ppmm)