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riscv-gcc-1
Commit 33124e84 by Anatoly Sokolov Committed by Anatoly Sokolov
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frv.h (REGISTER_MOVE_COST, [...]): Remove. 

	* config/frv/frv.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
	* config/frv/frv-protos.h (frv_register_move_cost): Remove.
	* config/frv/frv.c (frv_register_move_cost): Make static. Change
	arguments type to reg_class_t. Add mode argument.
	(frv_memory_move_cost): New.
	(TARGET_REGISTER_MOVE_COSTS, TARGET_MEMORY_MOVE_COSTS): Define.

From-SVN: r164233
parent 2cea21dd
Showing with 33 additions and 43 deletions
gcc/ChangeLog
2010-09-12 Anatoly Sokolov <aesok@post.ru>
* config/frv/frv.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
* config/frv/frv-protos.h (frv_register_move_cost): Remove.
* config/frv/frv.c (frv_register_move_cost): Make static. Change
arguments type to reg_class_t. Add mode argument.
(frv_memory_move_cost): New.
(TARGET_REGISTER_MOVE_COSTS, TARGET_MEMORY_MOVE_COSTS): Define.
2010-09-12 Bernd Schmidt <bernds@codesourcery.com>
* config/arm/arm.md (arm_ashldi3_1bit, arm_ashrdi3_1bit,
......
gcc/config/frv/frv-protos.h
......@@ -111,7 +111,6 @@ extern enum machine_mode frv_select_cc_mode (enum rtx_code, rtx, rtx);
#endif /* RTX_CODE */
extern int direct_return_p (void);
extern int frv_register_move_cost (enum reg_class, enum reg_class);
extern int frv_issue_rate (void);
extern int frv_acc_group (rtx);
......
gcc/config/frv/frv.c
......@@ -371,6 +371,10 @@ static void frv_setup_incoming_varargs (CUMULATIVE_ARGS *,
static rtx frv_expand_builtin_saveregs (void);
static void frv_expand_builtin_va_start (tree, rtx);
static bool frv_rtx_costs (rtx, int, int, int*, bool);
static int frv_register_move_cost (enum machine_mode,
reg_class_t, reg_class_t);
static int frv_memory_move_cost (enum machine_mode,
reg_class_t, bool);
static void frv_asm_out_constructor (rtx, int);
static void frv_asm_out_destructor (rtx, int);
static bool frv_function_symbol_referenced_p (rtx);
......@@ -432,6 +436,10 @@ static bool frv_class_likely_spilled_p (reg_class_t);
#define TARGET_INIT_LIBFUNCS frv_init_libfuncs
#undef TARGET_IN_SMALL_DATA_P
#define TARGET_IN_SMALL_DATA_P frv_in_small_data_p
#undef TARGET_REGISTER_MOVE_COST
#define TARGET_REGISTER_MOVE_COST frv_register_move_cost
#undef TARGET_MEMORY_MOVE_COST
#define TARGET_MEMORY_MOVE_COST frv_memory_move_cost
#undef TARGET_RTX_COSTS
#define TARGET_RTX_COSTS frv_rtx_costs
#undef TARGET_ASM_CONSTRUCTOR
......@@ -6908,28 +6916,16 @@ frv_select_cc_mode (enum rtx_code code, rtx x, rtx y)
}
}
/* A C expression for the cost of moving data from a register in class FROM to
one in class TO. The classes are expressed using the enumeration values
such as `GENERAL_REGS'. A value of 4 is the default; other values are
interpreted relative to that.
It is not required that the cost always equal 2 when FROM is the same as TO;
on some machines it is expensive to move between registers if they are not
general registers.
If reload sees an insn consisting of a single `set' between two hard
registers, and if `REGISTER_MOVE_COST' applied to their classes returns a
value of 2, reload does not check to ensure that the constraints of the insn
are met. Setting a cost of other than 2 will allow reload to verify that
the constraints are met. You should do this if the `movM' pattern's
constraints do not allow such copying. */
/* Worker function for TARGET_REGISTER_MOVE_COST. */
#define HIGH_COST 40
#define MEDIUM_COST 3
#define LOW_COST 1
int
frv_register_move_cost (enum reg_class from, enum reg_class to)
static int
frv_register_move_cost (enum machine_mode mode ATTRIBUTE_UNUSED,
reg_class_t from, reg_class_t to)
{
switch (from)
{
......@@ -7012,6 +7008,17 @@ frv_register_move_cost (enum reg_class from, enum reg_class to)
return HIGH_COST;
}
/* Worker function for TARGET_MEMORY_MOVE_COST. */
static int
frv_memory_move_cost (enum machine_mode mode ATTRIBUTE_UNUSED,
reg_class_t rclass ATTRIBUTE_UNUSED,
bool in ATTRIBUTE_UNUSED)
{
return 4;
}
/* Implementation of TARGET_ASM_INTEGER. In the FRV case we need to
use ".picptr" to generate safe relocations for PIC code. We also
......
gcc/config/frv/frv.h
......@@ -1946,31 +1946,6 @@ __asm__("\n" \
/* Describing Relative Costs of Operations. */
/* A C expression for the cost of moving data from a register in class FROM to
one in class TO. The classes are expressed using the enumeration values
such as `GENERAL_REGS'. A value of 4 is the default; other values are
interpreted relative to that.
It is not required that the cost always equal 2 when FROM is the same as TO;
on some machines it is expensive to move between registers if they are not
general registers.
If reload sees an insn consisting of a single `set' between two hard
registers, and if `REGISTER_MOVE_COST' applied to their classes returns a
value of 2, reload does not check to ensure that the constraints of the insn
are met. Setting a cost of other than 2 will allow reload to verify that
the constraints are met. You should do this if the `movM' pattern's
constraints do not allow such copying. */
#define REGISTER_MOVE_COST(MODE, FROM, TO) frv_register_move_cost (FROM, TO)
/* A C expression for the cost of moving data of mode M between a register and
memory. A value of 2 is the default; this cost is relative to those in
`REGISTER_MOVE_COST'.
If moving between registers and memory is more expensive than between two
registers, you should define this macro to express the relative cost. */
#define MEMORY_MOVE_COST(M,C,I) 4
/* A C expression for the cost of a branch instruction. A value of 1 is the
default; other values are interpreted relative to that. */
#define BRANCH_COST(speed_p, predictable_p) frv_branch_cost_int
......
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