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[Patch] PR target/63937 TARGET_USE_BY_PIECES_INFRASTRUCTURE_P should take an unsigned HOST_WIDE_INT size argument

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gcc/

	PR target/63937
	* target.def (use_by_pieces_infrastructure_p): Take unsigned
	HOST_WIDE_INT as the size parameter.
	* targhooks.c (default_use_by_pieces_infrastructure_p): Likewise.
	* targhooks.h (default_use_by_pieces_infrastructure_p): Likewise.
	* config/arc/arc.c (arc_use_by_pieces_infrastructure_p)): Likewise.
	* config/mips/mips.c (mips_use_by_pieces_infrastructure_p)): Likewise.
	* config/s390/s390.c (s390_use_by_pieces_infrastructure_p)): Likewise.
	* config/sh/sh.c (sh_use_by_pieces_infrastructure_p)): Likewise.
	* config/aarch64/aarch64.c
	(aarch64_use_by_pieces_infrastructure_p)): Likewise.
	* doc/tm.texi: Regenerate.

gcc/testsuite/

	PR target/63937
	* gcc.dg/memset-2.c: New.

From-SVN: r217742
This commit is contained in:
James Greenhalgh 2014-11-18 22:45:21 +00:00 committed by James Greenhalgh
parent c39a5e9982
commit 445d78261c
12 changed files with 42 additions and 11 deletions
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15
gcc/ChangeLog
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@ -1,3 +1,18 @@
2014-11-18 James Greenhalgh <james.greenhalgh@arm.com>
PR target/63937
* target.def (use_by_pieces_infrastructure_p): Take unsigned
HOST_WIDE_INT as the size parameter.
* targhooks.c (default_use_by_pieces_infrastructure_p): Likewise.
* targhooks.h (default_use_by_pieces_infrastructure_p): Likewise.
* config/arc/arc.c (arc_use_by_pieces_infrastructure_p)): Likewise.
* config/mips/mips.c (mips_use_by_pieces_infrastructure_p)): Likewise.
* config/s390/s390.c (s390_use_by_pieces_infrastructure_p)): Likewise.
* config/sh/sh.c (sh_use_by_pieces_infrastructure_p)): Likewise.
* config/aarch64/aarch64.c
(aarch64_use_by_pieces_infrastructure_p)): Likewise.
* doc/tm.texi: Regenerate.
2014-11-18 Jan Hubicka <hubicka@ucw.cz>
* ipa-cp.c (ipcp_cloning_candidate_p): Use opt_for_fn.

2
gcc/config/aarch64/aarch64.c
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@ -10196,7 +10196,7 @@ aarch64_asan_shadow_offset (void)
}
static bool
aarch64_use_by_pieces_infrastructure_p (unsigned int size,
aarch64_use_by_pieces_infrastructure_p (unsigned HOST_WIDE_INT size,
unsigned int align,
enum by_pieces_operation op,
bool speed_p)

4
gcc/config/arc/arc.c
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@ -416,7 +416,7 @@ static void output_short_suffix (FILE *file);
static bool arc_frame_pointer_required (void);
static bool arc_use_by_pieces_infrastructure_p (unsigned int,
static bool arc_use_by_pieces_infrastructure_p (unsigned HOST_WIDE_INT,
unsigned int,
enum by_pieces_operation op,
bool);
@ -9374,7 +9374,7 @@ arc_legitimize_reload_address (rtx *p, machine_mode mode, int opnum,
/* Implement TARGET_USE_BY_PIECES_INFRASTRUCTURE_P. */
static bool
arc_use_by_pieces_infrastructure_p (unsigned int size,
arc_use_by_pieces_infrastructure_p (unsigned HOST_WIDE_INT size,
unsigned int align,
enum by_pieces_operation op,
bool speed_p)

2
gcc/config/mips/mips.c
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@ -7235,7 +7235,7 @@ mips_function_ok_for_sibcall (tree decl, tree exp ATTRIBUTE_UNUSED)
/* Implement TARGET_USE_MOVE_BY_PIECES_INFRASTRUCTURE_P. */
bool
mips_use_by_pieces_infrastructure_p (unsigned int size,
mips_use_by_pieces_infrastructure_p (unsigned HOST_WIDE_INT size,
unsigned int align,
enum by_pieces_operation op,
bool speed_p)

2
gcc/config/s390/s390.c
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@ -12036,7 +12036,7 @@ s390_option_override (void)
/* Implement TARGET_USE_BY_PIECES_INFRASTRUCTURE_P. */
static bool
s390_use_by_pieces_infrastructure_p (unsigned int size,
s390_use_by_pieces_infrastructure_p (unsigned HOST_WIDE_INT size,
unsigned int align ATTRIBUTE_UNUSED,
enum by_pieces_operation op ATTRIBUTE_UNUSED,
bool speed_p ATTRIBUTE_UNUSED)

4
gcc/config/sh/sh.c
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@ -338,7 +338,7 @@ static void sh_conditional_register_usage (void);
static bool sh_legitimate_constant_p (machine_mode, rtx);
static int mov_insn_size (machine_mode, bool);
static int mov_insn_alignment_mask (machine_mode, bool);
static bool sh_use_by_pieces_infrastructure_p (unsigned int,
static bool sh_use_by_pieces_infrastructure_p (unsigned HOST_WIDE_INT,
unsigned int,
enum by_pieces_operation,
bool);
@ -13680,7 +13680,7 @@ sh_mode_priority (int entity ATTRIBUTE_UNUSED, int n)
/* Implement TARGET_USE_BY_PIECES_INFRASTRUCTURE_P. */
static bool
sh_use_by_pieces_infrastructure_p (unsigned int size,
sh_use_by_pieces_infrastructure_p (unsigned HOST_WIDE_INT size,
unsigned int align,
enum by_pieces_operation op,
bool speed_p)

2
gcc/doc/tm.texi
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@ -6205,7 +6205,7 @@ optimized for speed rather than size.
If you don't define this, a reasonable default is used.
@end defmac
@deftypefn {Target Hook} bool TARGET_USE_BY_PIECES_INFRASTRUCTURE_P (unsigned int @var{size}, unsigned int @var{alignment}, enum by_pieces_operation @var{op}, bool @var{speed_p})
@deftypefn {Target Hook} bool TARGET_USE_BY_PIECES_INFRASTRUCTURE_P (unsigned HOST_WIDE_INT @var{size}, unsigned int @var{alignment}, enum by_pieces_operation @var{op}, bool @var{speed_p})
GCC will attempt several strategies when asked to copy between
two areas of memory, or to set, clear or store to memory, for example
when copying a @code{struct}. The @code{by_pieces} infrastructure

2
gcc/target.def
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@ -3314,7 +3314,7 @@ the body of the memory operation.\n\
Returning true for higher values of @code{size} may also cause an increase\n\
in code size, for example where the number of insns emitted to perform a\n\
move would be greater than that of a library call.",
bool, (unsigned int size, unsigned int alignment,
bool, (unsigned HOST_WIDE_INT size, unsigned int alignment,
enum by_pieces_operation op, bool speed_p),
default_use_by_pieces_infrastructure_p)

2
gcc/targhooks.c
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@ -1430,7 +1430,7 @@ get_move_ratio (bool speed_p ATTRIBUTE_UNUSED)
a call to memcpy emitted. */
bool
default_use_by_pieces_infrastructure_p (unsigned int size,
default_use_by_pieces_infrastructure_p (unsigned HOST_WIDE_INT size,
unsigned int alignment,
enum by_pieces_operation op,
bool speed_p)

2
gcc/targhooks.h
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@ -181,7 +181,7 @@ extern int default_memory_move_cost (machine_mode, reg_class_t, bool);
extern int default_register_move_cost (machine_mode, reg_class_t,
reg_class_t);
extern bool default_use_by_pieces_infrastructure_p (unsigned int,
extern bool default_use_by_pieces_infrastructure_p (unsigned HOST_WIDE_INT,
unsigned int,
enum by_pieces_operation,
bool);

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2014-11-18 James Greenhalgh <james.greenhalgh@arm.com>
PR target/63937
* gcc.dg/memset-2.c: New.
2014-11-18 Jakub Jelinek <jakub@redhat.com>
PR sanitizer/63813

11
gcc/testsuite/gcc.dg/memset-2.c Normal file
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@ -0,0 +1,11 @@
/* PR target/63937 */
/* { dg-do compile { target lp64 } } */
/* { dg-options "-O2" } */
void
foo (char *p)
{
p = __builtin_assume_aligned (p, 64);
__builtin_memset (p, 0, 0x100000001ULL);
}