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47 lines
1.3 KiB
C
47 lines
1.3 KiB
C
/* Software floating-point emulation.
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Return (int)(*a)
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Copyright (C) 1997-2020 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 Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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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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int _Qp_qtoi(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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unsigned int r;
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FP_INIT_ROUNDMODE;
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FP_UNPACK_RAW_QP(A, a);
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FP_TO_INT_Q(r, A, 32, 1);
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QP_HANDLE_EXCEPTIONS(
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int rx;
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__asm (
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" ldd [%1], %%f52\n"
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" ldd [%1+8], %%f54\n"
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" fqtoi %%f52, %%f31\n"
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" st %%f31, [%0]\n"
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" " : : "r" (&rx), "r" (a) : QP_CLOBBER, "f31");
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r = rx);
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return r;
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}
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