Imported gcc-4.4.3

[msp430-gcc.git] / libgcc / config / libbid / bid_decimal_globals.c

diff --git a/libgcc/config/libbid/bid_decimal_globals.c b/libgcc/config/libbid/bid_decimal_globals.c
new file mode 100644 (file)
index 0000000..5e10d28
--- /dev/null
+++ b/libgcc/config/libbid/bid_decimal_globals.c
@@ -0,0 +1,100 @@
+/* Copyright (C) 2007, 2009  Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC 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 General Public License
+for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+<http://www.gnu.org/licenses/>.  */
+
+#include "bid_internal.h"
+#include "bid_gcc_intrinsics.h"
+
+#if DECIMAL_GLOBAL_ROUNDING
+BID_THREAD _IDEC_round _IDEC_glbround = ROUNDING_TO_NEAREST;
+
+#if DECIMAL_GLOBAL_ROUNDING_ACCESS_FUNCTIONS
+void
+__dfp_set_round (int mode) {
+  _IDEC_glbround = mode;
+}
+
+int
+__dfp_get_round (void) {
+  return _IDEC_glbround;
+}
+#endif
+#endif
+
+#if DECIMAL_GLOBAL_EXCEPTION_FLAGS
+BID_THREAD _IDEC_flags _IDEC_glbflags = EXACT_STATUS;
+
+#if DECIMAL_GLOBAL_EXCEPTION_FLAGS_ACCESS_FUNCTIONS
+#include <fenv.h>
+
+void
+__dfp_clear_except (void) {
+  _IDEC_glbflags &= ~FLAG_MASK;
+}
+
+int
+__dfp_test_except (int mask) {
+  int flags = 0;
+
+  if ((_IDEC_glbflags & INEXACT_EXCEPTION) != 0)
+    flags |= mask & FE_INEXACT;
+  if ((_IDEC_glbflags & UNDERFLOW_EXCEPTION) != 0)
+    flags |= mask & FE_UNDERFLOW;
+  if ((_IDEC_glbflags & OVERFLOW_EXCEPTION) != 0)
+    flags |= mask & FE_OVERFLOW;
+  if ((_IDEC_glbflags & ZERO_DIVIDE_EXCEPTION) != 0)
+    flags |= mask & FE_DIVBYZERO;
+  if ((_IDEC_glbflags & INVALID_EXCEPTION) != 0)
+    flags |= mask & FE_INVALID;
+
+  return flags;
+}
+
+void
+__dfp_raise_except (int mask) {
+  _IDEC_flags flags = 0;
+
+  if ((mask & FE_INEXACT) != 0)
+    flags |= INEXACT_EXCEPTION;
+  if ((mask & FE_UNDERFLOW) != 0)
+    flags |= UNDERFLOW_EXCEPTION;
+  if ((mask & FE_OVERFLOW) != 0)
+    flags |= OVERFLOW_EXCEPTION;
+  if ((mask & FE_DIVBYZERO) != 0)
+    flags |= ZERO_DIVIDE_EXCEPTION;
+  if ((mask & FE_INVALID) != 0)
+    flags |= INVALID_EXCEPTION;
+
+  _IDEC_glbflags |= flags;
+}
+#endif
+#endif
+
+#if DECIMAL_ALTERNATE_EXCEPTION_HANDLING
+#if DECIMAL_GLOBAL_EXCEPTION_MASKS
+BID_THREAD _IDEC_exceptionmasks _IDEC_glbexceptionmasks =
+  _IDEC_allexcmasksset;
+#endif
+#if DECIMAL_GLOBAL_EXCEPTION_INFO
+BID_THREAD _IDEC_excepthandling _IDEC_glbexcepthandling;
+#endif
+#endif