diff options
Diffstat (limited to 'sysdeps/sparc/sparc64/soft-fp/qp_qtox.c')
-rw-r--r-- | sysdeps/sparc/sparc64/soft-fp/qp_qtox.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc64/soft-fp/qp_qtox.c b/sysdeps/sparc/sparc64/soft-fp/qp_qtox.c new file mode 100644 index 0000000..a54c5c5 --- /dev/null +++ b/sysdeps/sparc/sparc64/soft-fp/qp_qtox.c @@ -0,0 +1,47 @@ +/* Software floating-point emulation. + Return (long)(*a) + Copyright (C) 1997,1999 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If + not, write to the Free Software Foundation, Inc., + 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#define FP_ROUNDMODE FP_RND_ZERO +#include "soft-fp.h" +#include "quad.h" + +long _Qp_qtox(const long double *a) +{ + FP_DECL_EX; + FP_DECL_Q(A); + long r; + + FP_INIT_ROUNDMODE; + FP_UNPACK_QP(A, a); + FP_TO_INT_Q(r, A, 64, 1); + QP_HANDLE_EXCEPTIONS( + long rx; + __asm ( + "ldd [%1], %%f52 + ldd [%1+8], %%f54 + fqtoi %%f52, %%f60 + std %%f60, [%0] + " : : "r" (&rx), "r" (a) : QP_CLOBBER); + r = rx); + + return r; +} |