d51913e933
* sysdeps/alpha/fpu/s_floor.c (__floor): Don't depend on inlining, duplicate the code. * sysdeps/alpha/fpu/s_floorf.c (__floorf): Likewise.
56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
/* Copyright (C) 1998, 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.
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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 not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef __USE_EXTERN_INLINES
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#define __USE_EXTERN_INLINES
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#endif
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#define __floorf __i_floorf
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#include <math.h>
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#undef __floorf
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float
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__floorf (float x)
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{
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/* Check not zero since floor(-0) == -0. */
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if (x != 0 && fabsf (x) < 16777216.0f) /* 1 << FLT_MANT_DIG */
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{
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/* Note that Alpha S_Floating is stored in registers in a
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restricted T_Floating format, so we don't even need to
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convert back to S_Floating in the end. The initial
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conversion to T_Floating is needed to handle denormals. */
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float __tmp1, __tmp2;
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__asm ("cvtst/s %3,%2\n\t"
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#ifdef _IEEE_FP_INEXACT
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"cvttq/svim %2,%1\n\t"
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#else
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"cvttq/svm %2,%1\n\t"
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#endif
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"cvtqt/m %1,%0\n\t"
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: "=f"(x), "=&f"(__tmp1), "=&f"(__tmp2)
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: "f"(x));
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}
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return x;
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}
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weak_alias (__floorf, floorf)
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