e0067d3006
2004-04-29 Jakub Jelinek <jakub@redhat.com> * sysdeps/sparc/sparc64/soft-fp/qp_qtoi.c (_Qp_qtoi): Use %f31 for single precision register, add it to __asm clobbers [BZ #139]. * sysdeps/sparc/sparc64/soft-fp/qp_qtoui.c (_Qp_qtoui): Use %f31 for single precision register, add it to __asm clobbers. * sysdeps/sparc/sparc64/soft-fp/qp_qtoux.c (_Qp_qtoux): Use fqtox instead of fqtoi in QP_HANDLE_EXCEPTIONS. * sysdeps/sparc/sparc64/soft-fp/qp_qtox.c (_Qp_qtox): Likewise. Reported by M. H. VanLeeuwen <vanl@megsinet.net>.
48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
/* Software floating-point emulation.
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Return (unsigned long)(*a)
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Copyright (C) 1997, 1999, 2004 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, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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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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unsigned long _Qp_qtoux(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 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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unsigned long 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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" fqtox %%f52, %%f60\n"
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" std %%f60, [%0]\n"
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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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