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])
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])
};
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
#define sync_lock_release_optab \
(&direct_optab_table[(int) DOI_sync_lock_release])
\f
+/* 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)
+\f
/* Define functions given in optabs.c. */
extern rtx expand_widen_pattern_expr (sepops ops, rtx op0, rtx op1, rtx wide_op,