It used to always return a constant 4, which is same as the default
behavior, but doesn't take into account the effects of secondary
reloads.
Therefore, the implementation of this target hook is removed.
gcc/ChangeLog:
* config/xtensa/xtensa.cc
(TARGET_MEMORY_MOVE_COST, xtensa_memory_move_cost): Remove.
---
gcc/config/xtensa/xtensa.cc | 13 -------------
1 file changed, 13 deletions(-)
diff --git a/gcc/config/xtensa/xtensa.cc b/gcc/config/xtensa/xtensa.cc
index 3b5d25b660a..721c99b56a3 100644
--- a/gcc/config/xtensa/xtensa.cc
+++ b/gcc/config/xtensa/xtensa.cc
@@ -131,7 +131,6 @@ static bool xtensa_rtx_costs (rtx, machine_mode, int, int,
int *, bool);
static int xtensa_insn_cost (rtx_insn *, bool);
static int xtensa_register_move_cost (machine_mode, reg_class_t,
reg_class_t);
-static int xtensa_memory_move_cost (machine_mode, reg_class_t, bool);
static tree xtensa_build_builtin_va_list (void);
static bool xtensa_return_in_memory (const_tree, const_tree);
static tree xtensa_gimplify_va_arg_expr (tree, tree, gimple_seq *,
@@ -213,8 +212,6 @@ static rtx xtensa_delegitimize_address (rtx);
#undef TARGET_REGISTER_MOVE_COST
#define TARGET_REGISTER_MOVE_COST xtensa_register_move_cost
-#undef TARGET_MEMORY_MOVE_COST
-#define TARGET_MEMORY_MOVE_COST xtensa_memory_move_cost
#undef TARGET_RTX_COSTS
#define TARGET_RTX_COSTS xtensa_rtx_costs
#undef TARGET_INSN_COST
@@ -4356,16 +4353,6 @@ xtensa_register_move_cost (machine_mode mode
ATTRIBUTE_UNUSED,
return 10;
}
-/* Worker function for TARGET_MEMORY_MOVE_COST. */
-
-static int
-xtensa_memory_move_cost (machine_mode mode ATTRIBUTE_UNUSED,
- reg_class_t rclass ATTRIBUTE_UNUSED,
- bool in ATTRIBUTE_UNUSED)
-{
- return 4;
-}
-
/* Compute a (partial) cost for rtx X. Return true if the complete
cost has been computed, and false if subexpressions should be
scanned. In either case, *TOTAL contains the cost result. */
--
2.30.2
