gcc/

	* Makefile.in (target-globals.o): Depend on $(EXPR_H) and $(OPTABS_H).
	* optabs.h (target_optabs): New structure.
	(default_target_optabs): Declare.
	(this_target_optabs): Declare as a variable or define as a macro.
	(optab_table, convert_optab_table, direct_optab_table): Redefine
	as macros.
	* optabs.c (default_target_optabs): New variable.
	(this_target_optabs): New conditional variable.
	(optab_table, convert_optab_table, direct_optab_table): Delete.
	* target-globals.h (this_target_optabs): Declare.
	(target_globals): Add a optabs field.
	(restore_target_globals): Copy the optabs field to
	this_target_optabs.
	* target-globals.c: Include expr.h and optabs.h.
	(default_target_globals): Initialize the optabs field.
	(save_target_globals): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@162097 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 27 insertions, 6 deletions

diff --git a/gcc/optabs.h b/gcc/optabs.h
index 1c518e56fd5..547339bcee6 100644
--- a/gcc/optabs.h
+++ b/gcc/optabs.h
@@ -371,8 +371,6 @@ enum optab_index
   OTI_MAX
 };
 
-extern struct optab_d optab_table[OTI_MAX];
-
 #define ssadd_optab (&optab_table[OTI_ssadd])
 #define usadd_optab (&optab_table[OTI_usadd])
 #define sssub_optab (&optab_table[OTI_sssub])
@@ -574,8 +572,6 @@ enum convert_optab_index
   COI_MAX
 };
 
-extern struct convert_optab_d convert_optab_table[COI_MAX];
-
 #define sext_optab (&convert_optab_table[COI_sext])
 #define zext_optab (&convert_optab_table[COI_zext])
 #define trunc_optab (&convert_optab_table[COI_trunc])
@@ -676,8 +672,6 @@ struct direct_optab_d
 };
 typedef struct direct_optab_d *direct_optab;
 
-extern struct direct_optab_d direct_optab_table[(int) DOI_MAX];
-
 #ifdef HAVE_conditional_move
 #define movcc_optab (&direct_optab_table[(int) DOI_movcc])
 #endif
@@ -715,6 +709,33 @@ extern struct direct_optab_d direct_optab_table[(int) DOI_MAX];
 #define sync_lock_release_optab \
   (&direct_optab_table[(int) DOI_sync_lock_release])
 
+/* Target-dependent globals.  */
+struct target_optabs {
+  /* Tables of patterns that may have an associated libcall.  */
+  struct optab_d x_optab_table[(int) OTI_MAX];
+
+  /* Tables of patterns for converting one mode to another.  */
+  struct convert_optab_d x_convert_optab_table[(int) COI_MAX];
+
+  /* Tables of patterns for direct optabs (i.e. those which cannot be
+     implemented using a libcall).  */
+  struct direct_optab_d x_direct_optab_table[(int) DOI_MAX];
+};
+
+extern struct target_optabs default_target_optabs;
+#if SWITCHABLE_TARGET
+extern struct target_optabs *this_target_optabs;
+#else
+#define this_target_optabs (&default_target_optabs)
+#endif
+
+#define optab_table \
+  (this_target_optabs->x_optab_table)
+#define convert_optab_table \
+  (this_target_optabs->x_convert_optab_table)
+#define direct_optab_table \
+  (this_target_optabs->x_direct_optab_table)
+
 /* Define functions given in optabs.c.  */
 
 extern rtx expand_widen_pattern_expr (sepops ops, rtx op0, rtx op1, rtx wide_op,