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m32r.h (REGISTER_MOVE_COST, [...]): Remove.

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* config/m32r/m32r.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
	* config/m32r/m32r.c (TARGET_MEMORY_MOVE_COSTS): Define.
	(m32r_memory_move_cost): New function.

From-SVN: r163966
This commit is contained in:
Anatoly Sokolov 2010-09-08 00:03:14 +04:00 • committed by Anatoly Sokolov
parent 21e9284929
commit 7149f02cac
3 changed files with 26 additions and 10 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2010-09-07 Anatoly Sokolov <aesok@post.ru>
* config/m32r/m32r.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
* config/m32r/m32r.c (TARGET_MEMORY_MOVE_COSTS): Define.
(m32r_memory_move_cost): New function.
2010-09-07 H.J. Lu <hongjiu.lu@intel.com>
* config.gcc: Append t-android for Android targets.

20
gcc/config/m32r/m32r.c
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@ -89,6 +89,7 @@ static void m32r_setup_incoming_varargs (CUMULATIVE_ARGS *, enum machine_mode,
tree, int *, int);
static void init_idents (void);
static bool m32r_rtx_costs (rtx, int, int, int *, bool speed);
static int m32r_memory_move_cost (enum machine_mode, reg_class_t, bool);
static bool m32r_pass_by_reference (CUMULATIVE_ARGS *, enum machine_mode,
const_tree, bool);
static int m32r_arg_partial_bytes (CUMULATIVE_ARGS *, enum machine_mode,
@ -152,6 +153,9 @@ static const struct attribute_spec m32r_attribute_table[] =
#undef TARGET_IN_SMALL_DATA_P
#define TARGET_IN_SMALL_DATA_P m32r_in_small_data_p
#undef TARGET_MEMORY_MOVE_COSTS
#define TARGET_MEMORY_MOVE_COSTS m32r_memory_move_costs
#undef TARGET_RTX_COSTS
#define TARGET_RTX_COSTS m32r_rtx_costs
#undef TARGET_ADDRESS_COST
@ -1366,6 +1370,22 @@ m32r_issue_rate (void)
/* Cost functions. */
/* Implement TARGET_HANDLE_OPTION.
Memory is 3 times as expensive as registers.
??? Is that the right way to look at it? */
static int
m32r_memory_move_cost (enum machine_mode mode,
reg_class_t rclass ATTRIBUTE_UNUSED,
bool in ATTRIBUTE_UNUSED)
{
if (GET_MODE_SIZE (mode) <= UNITS_PER_WORD)
return 6;
else
return 12;
}
static bool
m32r_rtx_costs (rtx x, int code, int outer_code ATTRIBUTE_UNUSED, int *total,
bool speed ATTRIBUTE_UNUSED)

10
gcc/config/m32r/m32r.h
View file

@ -1067,16 +1067,6 @@ L2: .word STATIC
/* Costs. */
/* Compute extra cost of moving data between one register class
and another. */
#define REGISTER_MOVE_COST(MODE, CLASS1, CLASS2) 2
/* Compute the cost of moving data between registers and memory. */
/* Memory is 3 times as expensive as registers.
??? Is that the right way to look at it? */
#define MEMORY_MOVE_COST(MODE,CLASS,IN_P) \
(GET_MODE_SIZE (MODE) <= UNITS_PER_WORD ? 6 : 12)
/* The cost of a branch insn. */
/* A value of 2 here causes GCC to avoid using branches in comparisons like
while (a < N && a). Branches aren't that expensive on the M32R so