Commit 9d86796b by Richard Sandiford Committed by Richard Sandiford

regs.h (target_regs): Add x_direct_load, x_direct_store and x_float_extend_from_mem.

gcc/
	* regs.h (target_regs): Add x_direct_load, x_direct_store and
	x_float_extend_from_mem.
	(direct_load, direct_store, float_extend_from_mem): New macros.
	* expr.c (direct_load, direct_store, float_extend_from_mem): Delete.

From-SVN: r162100
parent 3e9c326a
2010-07-12 Richard Sandiford <rdsandiford@googlemail.com>
* regs.h (target_regs): Add x_direct_load, x_direct_store and
x_float_extend_from_mem.
(direct_load, direct_store, float_extend_from_mem): New macros.
* expr.c (direct_load, direct_store, float_extend_from_mem): Delete.
2010-07-12 Richard Sandiford <rdsandiford@googlemail.com>
* Makefile.in (LIBFUNCS_H): Add $(HASHTAB_H).
(target-globals.o): Depend on $(LIBFUNCS_H).
* libfuncs.h: Include hashtab.h.
......
......@@ -53,6 +53,7 @@ along with GCC; see the file COPYING3. If not see
#include "df.h"
#include "diagnostic.h"
#include "ssaexpand.h"
#include "target-globals.h"
/* Decide whether a function's arguments should be processed
from first to last or from last to first.
......@@ -158,17 +159,6 @@ static void do_tablejump (rtx, enum machine_mode, rtx, rtx, rtx);
static rtx const_vector_from_tree (tree);
static void write_complex_part (rtx, rtx, bool);
/* Record for each mode whether we can move a register directly to or
from an object of that mode in memory. If we can't, we won't try
to use that mode directly when accessing a field of that mode. */
static char direct_load[NUM_MACHINE_MODES];
static char direct_store[NUM_MACHINE_MODES];
/* Record for each mode whether we can float-extend from memory. */
static bool float_extend_from_mem[NUM_MACHINE_MODES][NUM_MACHINE_MODES];
/* This macro is used to determine whether move_by_pieces should be called
to perform a structure copy. */
#ifndef MOVE_BY_PIECES_P
......
......@@ -280,6 +280,15 @@ struct target_regs {
/* Keep track of the last mode we initialized move costs for. */
int x_last_mode_for_init_move_cost;
/* Record for each mode whether we can move a register directly to or
from an object of that mode in memory. If we can't, we won't try
to use that mode directly when accessing a field of that mode. */
char x_direct_load[NUM_MACHINE_MODES];
char x_direct_store[NUM_MACHINE_MODES];
/* Record for each mode whether we can float-extend from memory. */
bool x_float_extend_from_mem[NUM_MACHINE_MODES][NUM_MACHINE_MODES];
};
extern struct target_regs default_target_regs;
......@@ -303,6 +312,12 @@ extern struct target_regs *this_target_regs;
(this_target_regs->x_may_move_in_cost)
#define may_move_out_cost \
(this_target_regs->x_may_move_out_cost)
#define direct_load \
(this_target_regs->x_direct_load)
#define direct_store \
(this_target_regs->x_direct_store)
#define float_extend_from_mem \
(this_target_regs->x_float_extend_from_mem)
/* Return an exclusive upper bound on the registers occupied by hard
register (reg:MODE REGNO). */
......
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