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xtensa.h (PREFERRED_RELOAD_CLASS, [...]): Remove.

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* config/xtensa/xtensa.h (PREFERRED_RELOAD_CLASS,
	PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
	* config/xtensa/xtensa-protos.h (xtensa_preferred_reload_class,
	secondary_reload_info, xtensa_secondary_reload): Remove.
	* config/xtensa/xtensa.c (TARGET_PREFERRED_RELOAD_CLASS,
	TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
	(xtensa_preferred_reload_class): Make static. Change return and
	'rclass' argument type to reg_class_t. Remove 'isoutput' argument.
	Use CONST_DOUBLE_P predicate.
	(xtensa_preferred_output_reload_class): New function.
	(xtensa_secondary_reload): Make static.

From-SVN: r169810
This commit is contained in:
Anatoly Sokolov 2011-02-03 23:14:10 +03:00 • committed by Anatoly Sokolov
parent 82dc0de3f7
commit a6e508f91d
4 changed files with 50 additions and 16 deletions
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14
gcc/ChangeLog
View file

@ -1,3 +1,17 @@
2011-02-03 Anatoly Sokolov <aesok@post.ru>
* config/xtensa/xtensa.h (PREFERRED_RELOAD_CLASS,
PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
* config/xtensa/xtensa-protos.h (xtensa_preferred_reload_class,
secondary_reload_info, xtensa_secondary_reload): Remove.
* config/xtensa/xtensa.c (TARGET_PREFERRED_RELOAD_CLASS,
TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
(xtensa_preferred_reload_class): Make static. Change return and
'rclass' argument type to reg_class_t. Remove 'isoutput' argument.
Use CONST_DOUBLE_P predicate.
(xtensa_preferred_output_reload_class): New function.
(xtensa_secondary_reload): Make static.
2011-02-03 Joseph Myers <joseph@codesourcery.com>
* config/microblaze/microblaze.opt (Zxl-mode-bootstrap,

7
gcc/config/xtensa/xtensa-protos.h
View file

@ -1,5 +1,5 @@
/* Prototypes of target machine for GNU compiler for Xtensa.
Copyright 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010
Copyright 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011
Free Software Foundation, Inc.
Contributed by Bob Wilson (bwilson@tensilica.com) at Tensilica.
@ -63,11 +63,6 @@ extern void print_operand (FILE *, rtx, int);
extern void print_operand_address (FILE *, rtx);
extern void xtensa_output_literal (FILE *, rtx, enum machine_mode, int);
extern rtx xtensa_return_addr (int, rtx);
extern enum reg_class xtensa_preferred_reload_class (rtx, enum reg_class, int);
struct secondary_reload_info;
extern reg_class_t xtensa_secondary_reload (bool, rtx, reg_class_t,
enum machine_mode,
struct secondary_reload_info *);
#endif /* RTX_CODE */
extern void xtensa_setup_frame_addresses (void);

39
gcc/config/xtensa/xtensa.c
View file

@ -162,6 +162,12 @@ static void xtensa_asm_trampoline_template (FILE *);
static void xtensa_trampoline_init (rtx, tree, rtx);
static bool xtensa_output_addr_const_extra (FILE *, rtx);
static reg_class_t xtensa_preferred_reload_class (rtx, reg_class_t);
static reg_class_t xtensa_preferred_output_reload_class (rtx, reg_class_t);
static reg_class_t xtensa_secondary_reload (bool, rtx, reg_class_t,
enum machine_mode,
struct secondary_reload_info *);
static bool constantpool_address_p (const_rtx addr);
static const int reg_nonleaf_alloc_order[FIRST_PSEUDO_REGISTER] =
@ -260,6 +266,11 @@ static const struct default_options xtensa_option_optimization_table[] =
#undef TARGET_EXPAND_BUILTIN
#define TARGET_EXPAND_BUILTIN xtensa_expand_builtin
#undef TARGET_PREFERRED_RELOAD_CLASS
#define TARGET_PREFERRED_RELOAD_CLASS xtensa_preferred_reload_class
#undef TARGET_PREFERRED_OUTPUT_RELOAD_CLASS
#define TARGET_PREFERRED_OUTPUT_RELOAD_CLASS xtensa_preferred_output_reload_class
#undef TARGET_SECONDARY_RELOAD
#define TARGET_SECONDARY_RELOAD xtensa_secondary_reload
@ -3153,11 +3164,12 @@ xtensa_expand_builtin (tree exp, rtx target,
return NULL_RTX;
}
/* Worker function for TARGET_PREFERRED_RELOAD_CLASS. */
enum reg_class
xtensa_preferred_reload_class (rtx x, enum reg_class rclass, int isoutput)
static reg_class_t
xtensa_preferred_reload_class (rtx x, reg_class_t rclass)
{
if (!isoutput && CONSTANT_P (x) && GET_CODE (x) == CONST_DOUBLE)
if (CONSTANT_P (x) && CONST_DOUBLE_P (x))
return NO_REGS;
/* Don't use the stack pointer or hard frame pointer for reloads!
@ -3172,8 +3184,27 @@ xtensa_preferred_reload_class (rtx x, enum reg_class rclass, int isoutput)
return rclass;
}
/* Worker function for TARGET_PREFERRED_OUTPUT_RELOAD_CLASS. */
reg_class_t
static reg_class_t
xtensa_preferred_output_reload_class (rtx x ATTRIBUTE_UNUSED,
reg_class_t rclass)
{
/* Don't use the stack pointer or hard frame pointer for reloads!
The hard frame pointer would normally be OK except that it may
briefly hold an incoming argument in the prologue, and reload
won't know that it is live because the hard frame pointer is
treated specially. */
if (rclass == AR_REGS || rclass == GR_REGS)
return RL_REGS;
return rclass;
}
/* Worker function for TARGET_SECONDARY_RELOAD. */
static reg_class_t
xtensa_secondary_reload (bool in_p, rtx x, reg_class_t rclass,
enum machine_mode mode, secondary_reload_info *sri)
{

6
gcc/config/xtensa/xtensa.h
View file

@ -455,12 +455,6 @@ extern const enum reg_class xtensa_regno_to_class[FIRST_PSEUDO_REGISTER];
the RTL, as either incoming or outgoing arguments. */
#define TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P hook_bool_mode_true
#define PREFERRED_RELOAD_CLASS(X, CLASS) \
xtensa_preferred_reload_class (X, CLASS, 0)
#define PREFERRED_OUTPUT_RELOAD_CLASS(X, CLASS) \
xtensa_preferred_reload_class (X, CLASS, 1)
/* Return the maximum number of consecutive registers
needed to represent mode MODE in a register of class CLASS. */
#define CLASS_UNITS(mode, size) \