aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/sparc/sparc64/soft-fp/qp_sqrt.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/sparc/sparc64/soft-fp/qp_sqrt.c')
-rw-r--r--sysdeps/sparc/sparc64/soft-fp/qp_sqrt.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc64/soft-fp/qp_sqrt.c b/sysdeps/sparc/sparc64/soft-fp/qp_sqrt.c
new file mode 100644
index 0000000000..00e3980286
--- /dev/null
+++ b/sysdeps/sparc/sparc64/soft-fp/qp_sqrt.c
@@ -0,0 +1,42 @@
+/* Software floating-point emulation.
+ (*c) = sqrtl(*a)
+ 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_sqrt(long double *c, const long double *a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(C);
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_QP(A, a);
+ FP_SQRT_Q(C, A);
+ FP_PACK_QP(c, C);
+ QP_HANDLE_EXCEPTIONS(__asm (
+ "ldd [%1], %%f52
+ ldd [%1+8], %%f54
+ fsqrtq %%f52, %%f60
+ std %%f60, [%0]
+ std %%f62, [%0+8]
+ " : : "r" (c), "r" (a) : QP_CLOBBER));
+}