alpha-common.c (alpha_option_init_struct): New function.

2011-11-07  Tristan Gingold  <gingold@adacore.com>

	* common/config/alpha/alpha-common.c (alpha_option_init_struct):
	New function.
	(TARGET_OPTION_INIT_STRUCT): Define.
	* config/alpha/alpha.c (TARGET_MIN_ANCHOR_OFFSET)
	(TARGET_MAX_ANCHOR_OFFSET)
	(TARGET_USE_BLOCKS_FOR_CONSTANT_P): Redefine.

From-SVN: r181074

gcc/ChangeLog

+2011-11-07  Tristan Gingold  <gingold@adacore.com>
+
+	* common/config/alpha/alpha-common.c (alpha_option_init_struct):
+	New function.
+	(TARGET_OPTION_INIT_STRUCT): Define.
+	* config/alpha/alpha.c (TARGET_MIN_ANCHOR_OFFSET)
+	(TARGET_MAX_ANCHOR_OFFSET)
+	(TARGET_USE_BLOCKS_FOR_CONSTANT_P): Redefine.
+
 2011-11-06  Quentin Neill  <quentin.neill@amd.com>
 
 	Fix r180999, update ChangeLog

gcc/common/config/alpha/alpha-common.c

@@ -36,6 +36,17 @@ static const struct default_options alpha_option_optimization_table[] =
     { 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
@@ -75,6 +86,9 @@ alpha_handle_option (struct gcc_options *opts,
 #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
 

gcc/config/alpha/alpha.c

@@ -9643,6 +9643,14 @@ alpha_conditional_register_usage (void)
 #define TARGET_STDARG_OPTIMIZE_HOOK alpha_stdarg_optimize_hook
 #endif
 
+/* Use 16-bits anchor.  */
+#undef TARGET_MIN_ANCHOR_OFFSET
+#define TARGET_MIN_ANCHOR_OFFSET -0x7fff - 1
+#undef TARGET_MAX_ANCHOR_OFFSET
+#define TARGET_MAX_ANCHOR_OFFSET 0x7fff
+#undef TARGET_USE_BLOCKS_FOR_CONSTANT_P
+#define TARGET_USE_BLOCKS_FOR_CONSTANT_P hook_bool_mode_const_rtx_true
+
 #undef TARGET_RTX_COSTS
 #define TARGET_RTX_COSTS alpha_rtx_costs
 #undef TARGET_ADDRESS_COST