diff options
Diffstat (limited to 'sysdeps/sparc/sparc64/soft-fp/qp_add.c')
| -rw-r--r-- | sysdeps/sparc/sparc64/soft-fp/qp_add.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc64/soft-fp/qp_add.c b/sysdeps/sparc/sparc64/soft-fp/qp_add.c new file mode 100644 index 0000000000..b77f4d49c6 --- /dev/null +++ b/sysdeps/sparc/sparc64/soft-fp/qp_add.c @@ -0,0 +1,45 @@ +/* Software floating-point emulation. + (*c) = (*a) + (*b) + Copyright (C) 1997,1999 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If + not, write to the Free Software Foundation, Inc., + 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#include "soft-fp.h" +#include "quad.h" + +void _Qp_add(long double *c, const long double *a, const long double *b) +{ + FP_DECL_EX; + FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(C); + + FP_INIT_ROUNDMODE; + FP_UNPACK_QP(A, a); + FP_UNPACK_QP(B, b); + FP_ADD_Q(C, A, B); + FP_PACK_QP(c, C); + QP_HANDLE_EXCEPTIONS(__asm ( + "ldd [%1], %%f52 + ldd [%1+8], %%f54 + ldd [%2], %%f56 + ldd [%2+8], %%f58 + faddq %%f52, %%f56, %%f60 + std %%f60, [%0] + std %%f62, [%0+8] + " : : "r" (c), "r" (a), "r" (b) : QP_CLOBBER)); +} |