1 files changed, 95 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/common/config/alpha/alpha-common.c b/gcc-4.9/gcc/common/config/alpha/alpha-common.c
new file mode 100644
index 000000000..a103bb8b4
--- /dev/null
+++ b/gcc-4.9/gcc/common/config/alpha/alpha-common.c
@@ -0,0 +1,95 @@
+/* Common hooks for DEC Alpha.
+   Copyright (C) 1992-2014 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.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#include "config.h"
+#include "system.h"
+#include "coretypes.h"
+#include "diagnostic-core.h"
+#include "tm.h"
+#include "common/common-target.h"
+#include "common/common-target-def.h"
+#include "opts.h"
+#include "flags.h"
+
+/* Implement TARGET_OPTION_OPTIMIZATION_TABLE.  */
+static const struct default_options alpha_option_optimization_table[] =
+  {
+    { OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 },
+    /* Enable redundant extension instructions removal at -O2 and higher.  */
+    { OPT_LEVELS_2_PLUS, OPT_free, NULL, 1 },
+    { OPT_LEVELS_NONE, 0, NULL, 0 }
+  };
+
+/* Implement TARGET_OPTION_INIT_STRUCT.  */
+
+static void
+alpha_option_init_struct (struct gcc_options *opts ATTRIBUTE_UNUSED)
+{
+#if TARGET_ABI_OPEN_VMS
+  /* Enable section anchors by default.  */
+  opts->x_flag_section_anchors = 1;
+#endif
+}
+
+/* Implement TARGET_HANDLE_OPTION.  */
+
+static bool
+alpha_handle_option (struct gcc_options *opts,
+		     struct gcc_options *opts_set ATTRIBUTE_UNUSED,
+		     const struct cl_decoded_option *decoded,
+		     location_t loc)
+{
+  size_t code = decoded->opt_index;
+  const char *arg = decoded->arg;
+  int value = decoded->value;
+
+  switch (code)
+    {
+    case OPT_mfp_regs:
+      if (value == 0)
+	opts->x_target_flags |= MASK_SOFT_FP;
+      break;
+
+    case OPT_mieee:
+    case OPT_mieee_with_inexact:
+      opts->x_target_flags |= MASK_IEEE_CONFORMANT;
+      break;
+
+    case OPT_mtls_size_:
+      if (value != 16 && value != 32 && value != 64)
+	error_at (loc, "bad value %qs for -mtls-size switch", arg);
+      break;
+    }
+
+  return true;
+}
+
+#undef TARGET_DEFAULT_TARGET_FLAGS
+#define TARGET_DEFAULT_TARGET_FLAGS \
+  (TARGET_DEFAULT | TARGET_CPU_DEFAULT | TARGET_DEFAULT_EXPLICIT_RELOCS)
+#undef TARGET_HANDLE_OPTION
+#define TARGET_HANDLE_OPTION alpha_handle_option
+
+#undef TARGET_OPTION_INIT_STRUCT
+#define TARGET_OPTION_INIT_STRUCT alpha_option_init_struct
+
+#undef TARGET_OPTION_OPTIMIZATION_TABLE
+#define TARGET_OPTION_OPTIMIZATION_TABLE alpha_option_optimization_table
+
+struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;