Daily bump.

[pf3gnuchains/gcc-fork.git] / gcc / target.h

diff --git a/gcc/target.h b/gcc/target.h
index eaf7aad..e3307e8 100644 (file)
--- a/gcc/target.h
+++ b/gcc/target.h
@@ -1,5 +1,6 @@
 /* Data structure definitions for a generic GCC target.
-   Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
+   Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
+   2011, 2012
    Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify it
@@ -49,9 +50,24 @@
 #ifndef GCC_TARGET_H
 #define GCC_TARGET_H
 
-#include "tm.h"
 #include "insn-modes.h"
 
+#ifdef ENABLE_CHECKING
+
+typedef struct { void *magic; void *p; } cumulative_args_t;
+
+#else /* !ENABLE_CHECKING */
+
+/* When using a GCC build compiler, we could use
+   __attribute__((transparent_union)) to get cumulative_args_t function
+   arguments passed like scalars where the ABI would mandate a less
+   efficient way of argument passing otherwise.  However, that would come
+   at the cost of less type-safe !ENABLE_CHECKING compilation.  */
+
+typedef union { void *p; } cumulative_args_t;
+
+#endif /* !ENABLE_CHECKING */
+
 /* Types used by the record_gcc_switches() target function.  */
 typedef enum
 {
@@ -76,6 +92,7 @@ extern bool target_default_pointer_address_modes_p (void);
 
 struct stdarg_info;
 struct spec_info_def;
+struct hard_reg_set_container;
 
 /* The struct used by the secondary_reload target hook.  */
 typedef struct secondary_reload_info
@@ -128,42 +145,8 @@ enum vect_cost_for_stmt
   scalar_to_vec,
   cond_branch_not_taken,
   cond_branch_taken,
-  vec_perm
-};
-
-/* Sets of optimization levels at which an option may be enabled by
-   default_options_optimization.  */
-enum opt_levels
-{
-  OPT_LEVELS_NONE, /* No levels (mark end of array).  */
-  OPT_LEVELS_ALL, /* All levels (used by targets to disable options
-                    enabled in target-independent code).  */
-  OPT_LEVELS_0_ONLY, /* -O0 only.  */
-  OPT_LEVELS_1_PLUS, /* -O1 and above, including -Os.  */
-  OPT_LEVELS_1_PLUS_SPEED_ONLY, /* -O1 and above, but not -Os.  */
-  OPT_LEVELS_2_PLUS, /* -O2 and above, including -Os.  */
-  OPT_LEVELS_2_PLUS_SPEED_ONLY, /* -O2 and above, but not -Os.  */
-  OPT_LEVELS_3_PLUS, /* -O3 and above.  */
-  OPT_LEVELS_3_PLUS_AND_SIZE, /* -O3 and above and -Os.  */
-  OPT_LEVELS_SIZE, /* -Os only.  */
-  OPT_LEVELS_FAST /* -Ofast only.  */
-};
-
-/* Description of options to enable by default at given levels.  */
-struct default_options
-{
-  /* The levels at which to enable the option.  */
-  enum opt_levels levels;
-
-  /* The option index and argument or enabled/disabled sense of the
-     option, as passed to handle_generated_option.  If ARG is NULL and
-     the option allows a negative form, the option is considered to be
-     passed in negative form when the optimization level is not one of
-     those in LEVELS (in order to handle changes to the optimization
-     level with the "optimize" attribute).  */
-  size_t opt_index;
-  const char *arg;
-  int value;
+  vec_perm,
+  vec_promote_demote
 };
 
 /* The target structure.  This holds all the backend hooks.  */
@@ -176,7 +159,32 @@ struct default_options
 
 extern struct gcc_target targetm;
 
-/* Each target can provide their own.  */
-extern struct gcc_targetcm targetcm;
+#ifdef GCC_TM_H
+
+#ifndef CUMULATIVE_ARGS_MAGIC
+#define CUMULATIVE_ARGS_MAGIC ((void *) &targetm.calls)
+#endif
+
+static inline CUMULATIVE_ARGS *
+get_cumulative_args (cumulative_args_t arg)
+{
+#ifdef ENABLE_CHECKING
+  gcc_assert (arg.magic == CUMULATIVE_ARGS_MAGIC);
+#endif /* ENABLE_CHECKING */
+  return (CUMULATIVE_ARGS *) arg.p;
+}
+
+static inline cumulative_args_t
+pack_cumulative_args (CUMULATIVE_ARGS *arg)
+{
+  cumulative_args_t ret;
+
+#ifdef ENABLE_CHECKING
+  ret.magic = CUMULATIVE_ARGS_MAGIC;
+#endif /* ENABLE_CHECKING */
+  ret.p = (void *) arg;
+  return ret;
+}
+#endif /* GCC_TM_H */
 
 #endif /* GCC_TARGET_H */