diff options
Diffstat (limited to 'sysdeps/powerpc/fpu/math_ldbl.h')
| -rw-r--r-- | sysdeps/powerpc/fpu/math_ldbl.h | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/sysdeps/powerpc/fpu/math_ldbl.h b/sysdeps/powerpc/fpu/math_ldbl.h deleted file mode 100644 index 05f51217bf..0000000000 --- a/sysdeps/powerpc/fpu/math_ldbl.h +++ /dev/null @@ -1,55 +0,0 @@ -/* Manipulation of the bit representation of 'long double' quantities. - Copyright (C) 2006-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#ifndef _MATH_LDBL_H_PPC_ -#define _MATH_LDBL_H_PPC_ 1 - -/* GCC does not optimize the default ldbl_pack code to not spill register - in the stack. The following optimization tells gcc that pack/unpack - is really a nop. We use fr1/fr2 because those are the regs used to - pass/return a single long double arg. */ -static inline long double -ldbl_pack_ppc (double a, double aa) -{ - register long double x __asm__ ("fr1"); - register double xh __asm__ ("fr1"); - register double xl __asm__ ("fr2"); - xh = a; - xl = aa; - __asm__ ("" : "=f" (x) : "f" (xh), "f" (xl)); - return x; -} - -static inline void -ldbl_unpack_ppc (long double l, double *a, double *aa) -{ - register long double x __asm__ ("fr1"); - register double xh __asm__ ("fr1"); - register double xl __asm__ ("fr2"); - x = l; - __asm__ ("" : "=f" (xh), "=f" (xl) : "f" (x)); - *a = xh; - *aa = xl; -} - -#define ldbl_pack ldbl_pack_ppc -#define ldbl_unpack ldbl_unpack_ppc - -#include <sysdeps/ieee754/ldbl-128ibm/math_ldbl.h> - -#endif /* math_ldbl.h */ |