[08/12] Add femode_t functions: mips

[08/12] Add femode_t functions: mips

[Joseph Myers]

This patch adds MIPS versions of fegetmode and fesetmode.

2016-09-02  Joseph Myers  <joseph@codesourcery.com>

	* sysdeps/mips/fpu/fegetmode.c: New file.
	* sysdeps/mips/fpu/fesetmode.c: Likewise.

diff --git a/sysdeps/mips/fpu/fegetmode.c b/sysdeps/mips/fpu/fegetmode.c
new file mode 100644
index 0000000..3754aef
--- /dev/null
+++ b/sysdeps/mips/fpu/fegetmode.c
@@ -0,0 +1,27 @@
+/* Store current floating-point control modes.  MIPS version.
+   Copyright (C) 2016 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/>.  */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+fegetmode (femode_t *modep)
+{
+  _FPU_GETCW (*modep);
+  return 0;
+}
diff --git a/sysdeps/mips/fpu/fesetmode.c b/sysdeps/mips/fpu/fesetmode.c
new file mode 100644
index 0000000..516326b
--- /dev/null
+++ b/sysdeps/mips/fpu/fesetmode.c
@@ -0,0 +1,37 @@
+/* Install given floating-point control modes.  MIPS version.
+   Copyright (C) 2016 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/>.  */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+#define FCSR_STATUS 0xfe83f07c
+
+int
+fesetmode (const femode_t *modep)
+{
+  fpu_control_t cw;
+
+  _FPU_GETCW (cw);
+  if (modep == FE_DFL_MODE)
+    cw = (cw & FCSR_STATUS) | _FPU_DEFAULT;
+  else
+    cw = (cw & FCSR_STATUS) | (*modep & ~FCSR_STATUS);
+  _FPU_SETCW (cw);
+
+  return 0;
+}

-- 
Joseph S. Myers
joseph@codesourcery.com