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