+/* Target-dependent globals. */
+struct target_reload {
+ /* Nonzero if indirect addressing is supported when the innermost MEM is
+ of the form (MEM (SYMBOL_REF sym)). It is assumed that the level to
+ which these are valid is the same as spill_indirect_levels, above. */
+ bool x_indirect_symref_ok;
+
+ /* Nonzero if an address (plus (reg frame_pointer) (reg ...)) is valid. */
+ bool x_double_reg_address_ok;
+
+ /* Nonzero if indirect addressing is supported on the machine; this means
+ that spilling (REG n) does not require reloading it into a register in
+ order to do (MEM (REG n)) or (MEM (PLUS (REG n) (CONST_INT c))). The
+ value indicates the level of indirect addressing supported, e.g., two
+ means that (MEM (MEM (REG n))) is also valid if (REG n) does not get
+ a hard register. */
+ bool x_spill_indirect_levels;
+
+ /* True if caller-save has been reinitialized. */
+ bool x_caller_save_initialized_p;
+
+ /* Modes for each hard register that we can save. The smallest mode is wide
+ enough to save the entire contents of the register. When saving the
+ register because it is live we first try to save in multi-register modes.
+ If that is not possible the save is done one register at a time. */
+ enum machine_mode (x_regno_save_mode
+ [FIRST_PSEUDO_REGISTER]
+ [MAX_MOVE_MAX / MIN_UNITS_PER_WORD + 1]);
+
+ /* We will only make a register eligible for caller-save if it can be
+ saved in its widest mode with a simple SET insn as long as the memory
+ address is valid. We record the INSN_CODE is those insns here since
+ when we emit them, the addresses might not be valid, so they might not
+ be recognized. */
+ int x_cached_reg_save_code[FIRST_PSEUDO_REGISTER][MAX_MACHINE_MODE];
+ int x_cached_reg_restore_code[FIRST_PSEUDO_REGISTER][MAX_MACHINE_MODE];
+};
+
+extern struct target_reload default_target_reload;
+#if SWITCHABLE_TARGET
+extern struct target_reload *this_target_reload;
+#else
+#define this_target_reload (&default_target_reload)
+#endif
+
+#define indirect_symref_ok \
+ (this_target_reload->x_indirect_symref_ok)
+#define double_reg_address_ok \
+ (this_target_reload->x_double_reg_address_ok)
+#define caller_save_initialized_p \
+ (this_target_reload->x_caller_save_initialized_p)
+
+extern GTY (()) VEC(rtx,gc) *reg_equiv_memory_loc_vec;