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-rw-r--r--soft-fp/sysdeps/sparc/sparc64/qp_mul.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/soft-fp/sysdeps/sparc/sparc64/qp_mul.c b/soft-fp/sysdeps/sparc/sparc64/qp_mul.c
new file mode 100644
index 0000000000..9dbc06b989
--- /dev/null
+++ b/soft-fp/sysdeps/sparc/sparc64/qp_mul.c
@@ -0,0 +1,50 @@
+/* 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. */
+
+/* As QP_HANDLE_EXCEPTIONS reloads FPU control word anyway,
+ avoid doing it twice. */
+#define _FP_MUL_MEAT_RESET_FE do {} while (0)
+#include "soft-fp.h"
+#include "quad.h"
+
+void _Qp_mul(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_MUL_Q(C, A, B);
+ FP_PACK_QP(c, C);
+ QP_HANDLE_EXCEPTIONS(
+ _FPU_SETCW(_fcw);
+ __asm (
+ "ldd [%1], %%f52
+ ldd [%1+8], %%f54
+ ldd [%2], %%f56
+ ldd [%2+8], %%f58
+ fmulq %%f52, %%f56, %%f60
+ std %%f60, [%0]
+ std %%f62, [%0+8]
+ " : : "r" (c), "r" (a), "r" (b) : QP_CLOBBER));
+}