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* sysdeps/alpha/fpu/s_llround.c: New file.
* sysdeps/alpha/fpu/s_llroundf.c: New file. * sysdeps/alpha/fpu/s_lround.c: New file. * sysdeps/alpha/fpu/s_lroundf.c: New file. * sysdeps/alpha/fpu/s_round.c: New file. * sysdeps/alpha/fpu/s_roundf.c: New file. * sysdeps/alpha/fpu/s_trunc.c: New file. * sysdeps/alpha/fpu/s_truncf.c: New file. * sysdeps/alpha/fpu/s_llround.c: New file. * sysdeps/alpha/fpu/s_llroundf.c: New file. * sysdeps/alpha/fpu/s_lround.c: New file. * sysdeps/alpha/fpu/s_lroundf.c: New file. * sysdeps/alpha/fpu/s_round.c: New file. * sysdeps/alpha/fpu/s_roundf.c: New file. * sysdeps/alpha/fpu/s_trunc.c: New file. * sysdeps/alpha/fpu/s_truncf.c: New file.
This commit is contained in:
Richard Henderson
parent
aea1d19e2f
commit
b6df547c34
@ -1,5 +1,14 @@
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2007-03-14 Richard Henderson <rth@redhat.com>
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* sysdeps/alpha/fpu/s_llround.c: New file.
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* sysdeps/alpha/fpu/s_llroundf.c: New file.
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* sysdeps/alpha/fpu/s_lround.c: New file.
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* sysdeps/alpha/fpu/s_lroundf.c: New file.
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* sysdeps/alpha/fpu/s_round.c: New file.
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* sysdeps/alpha/fpu/s_roundf.c: New file.
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* sysdeps/alpha/fpu/s_trunc.c: New file.
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* sysdeps/alpha/fpu/s_truncf.c: New file.
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* sysdeps/alpha/fpu/s_ceil.c: Rewrite without branches.
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* sysdeps/alpha/fpu/s_ceilf.c: Likewise.
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* sysdeps/alpha/fpu/s_floor.c: Likewise.
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@ -21,9 +21,7 @@
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#include <math_ldbl_opt.h>
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/* Use the -inf rounding mode conversion instructions to implement
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floor. We note when the exponent is large enough that the value
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must be integral, as this avoids unpleasant integer overflows. */
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/* Use the -inf rounding mode conversion instructions to implement floor. */
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double
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__floor (double x)
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@ -20,9 +20,7 @@
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#include <math.h>
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/* Use the -inf rounding mode conversion instructions to implement
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floor. We note when the exponent is large enough that the value
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must be integral, as this avoids unpleasant integer overflows. */
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/* Use the -inf rounding mode conversion instructions to implement floor. */
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float
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__floorf (float x)
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1
sysdeps/alpha/fpu/s_llround.c
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1
sysdeps/alpha/fpu/s_llround.c
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@ -0,0 +1 @@
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/* In s_lround.c. */
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1
sysdeps/alpha/fpu/s_llroundf.c
Normal file
1
sysdeps/alpha/fpu/s_llroundf.c
Normal file
@ -0,0 +1 @@
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/* In s_lroundf.c. */
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48
sysdeps/alpha/fpu/s_lround.c
Normal file
48
sysdeps/alpha/fpu/s_lround.c
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@ -0,0 +1,48 @@
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/* Copyright (C) 2007 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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 __llround not___llround
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#define llround not_llround
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#include <math.h>
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#include <math_ldbl_opt.h>
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#undef __llround
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#undef llround
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long int
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__lround (double x)
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{
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double adj;
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adj = 0x1.fffffffffffffp-2; /* nextafter (0.5, 0.0) */
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adj = copysign (adj, x);
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return x + adj;
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}
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strong_alias (__lround, __llround)
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weak_alias (__lround, lround)
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weak_alias (__llround, llround)
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#ifdef NO_LONG_DOUBLE
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strong_alias (__lround, __lroundl)
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strong_alias (__lround, __llroundl)
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weak_alias (__lroundl, lroundl)
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weak_alias (__llroundl, llroundl)
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#endif
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#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
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compat_symbol (libm, __lround, lroundl, GLIBC_2_0);
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compat_symbol (libm, __llround, llroundl, GLIBC_2_0);
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#endif
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38
sysdeps/alpha/fpu/s_lroundf.c
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38
sysdeps/alpha/fpu/s_lroundf.c
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@ -0,0 +1,38 @@
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/* Copyright (C) 2007 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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 __llroundf not___llroundf
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#define llroundf not_llroundf
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#include <math.h>
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#undef __llroundf
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#undef llroundf
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long int
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__lroundf (float x)
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{
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float adj;
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adj = 0x1.fffffep-2; /* nextafterf (0.5f, 0.0f) */
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adj = copysignf (adj, x);
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return x + adj;
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}
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strong_alias (__lroundf, __llroundf)
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weak_alias (__lroundf, lroundf)
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weak_alias (__llroundf, llroundf)
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49
sysdeps/alpha/fpu/s_round.c
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49
sysdeps/alpha/fpu/s_round.c
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@ -0,0 +1,49 @@
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/* Copyright (C) 2007 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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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#include <math.h>
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#include <math_ldbl_opt.h>
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double
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__round (double x)
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{
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const double almost_half = 0x1.fffffffffffffp-2;
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const double two52 = 0x1.0p52;
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double tmp, r;
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__asm (
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#ifdef _IEEE_FP_INEXACT
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"addt/suic %2, %3, %1\n\tsubt/suic %1, %3, %0"
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#else
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"addt/suc %2, %3, %1\n\tsubt/suc %1, %3, %0"
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#endif
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: "=&f"(r), "=&f"(tmp)
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: "f"(fabs (x) + almost_half), "f"(two52));
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return copysign (r, x);
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}
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weak_alias (__round, round)
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#ifdef NO_LONG_DOUBLE
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strong_alias (__round, __roundl)
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weak_alias (__roundl, roundl)
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#endif
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#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
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compat_symbol (libm, __round, roundl, GLIBC_2_0);
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#endif
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44
sysdeps/alpha/fpu/s_roundf.c
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44
sysdeps/alpha/fpu/s_roundf.c
Normal file
@ -0,0 +1,44 @@
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/* Copyright (C) 2007 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 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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#include <math.h>
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float
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__roundf (float x)
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{
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const float almost_half = 0x1.fffffep-2;
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const float two23 = 0x1.0p23;
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float r, tmp;
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__asm (
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#ifdef _IEEE_FP_INEXACT
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"adds/suic %2, %3, %1\n\tsubs/suic %1, %3, %0"
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#else
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"adds/suc %2, %3, %1\n\tsubs/suc %1, %3, %0"
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#endif
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: "=&f"(r), "=&f"(tmp)
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: "f"(fabsf (x) + almost_half), "f"(two23));
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/* round(-0) == -0, and in general we'll always have the same
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sign as our input. */
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return copysignf (r, x);
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}
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weak_alias (__roundf, roundf)
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53
sysdeps/alpha/fpu/s_trunc.c
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53
sysdeps/alpha/fpu/s_trunc.c
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@ -0,0 +1,53 @@
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/* Copyright (C) 2007 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 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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#include <math.h>
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#include <math_ldbl_opt.h>
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/* Use the chopped rounding mode conversion instructions to implement trunc. */
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double
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__trunc (double x)
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{
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double two52 = copysign (0x1.0p52, x);
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double r, tmp;
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__asm (
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#ifdef _IEEE_FP_INEXACT
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"addt/suic %2, %3, %1\n\tsubt/suic %1, %3, %0"
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#else
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"addt/suc %2, %3, %1\n\tsubt/suc %1, %3, %0"
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#endif
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: "=&f"(r), "=&f"(tmp)
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: "f"(x), "f"(two52));
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/* trunc(-0) == -0, and in general we'll always have the same
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sign as our input. */
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return copysign (r, x);
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}
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weak_alias (__trunc, trunc)
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#ifdef NO_LONG_DOUBLE
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strong_alias (__trunc, __truncl)
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weak_alias (__trunc, truncl)
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#endif
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#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
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compat_symbol (libm, __trunc, truncl, GLIBC_2_0);
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#endif
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45
sysdeps/alpha/fpu/s_truncf.c
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45
sysdeps/alpha/fpu/s_truncf.c
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@ -0,0 +1,45 @@
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/* Copyright (C) 2007 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 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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#include <math.h>
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/* Use the chopped rounding mode conversion instructions to implement trunc. */
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float
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__truncf (float x)
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{
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float two23 = copysignf (0x1.0p23, x);
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float r, tmp;
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__asm (
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#ifdef _IEEE_FP_INEXACT
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"adds/suic %2, %3, %1\n\tsubs/suic %1, %3, %0"
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#else
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"adds/suc %2, %3, %1\n\tsubs/suc %1, %3, %0"
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#endif
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: "=&f"(r), "=&f"(tmp)
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: "f"(x), "f"(two23));
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/* trunc(-0) == -0, and in general we'll always have the same
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sign as our input. */
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return copysignf (r, x);
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}
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weak_alias (__truncf, truncf)
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