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df.h (df_ref_create, [...]): Delete. 

gcc/
	* df.h (df_ref_create, df_ref_remove): Delete.
	* df-scan.c (df_ref_create, df_ref_compress_rec): Likewise.
	(df_ref_remove): Likewise.

From-SVN: r211682
This commit is contained in:
Richard Sandiford 2014-06-15 07:33:13 +00:00 committed by Richard Sandiford
parent 74e59b6c24
commit 5a474220d9
3 changed files with 6 additions and 116 deletions
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6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2014-06-15 Richard Sandiford <rdsandiford@googlemail.com>
* df.h (df_ref_create, df_ref_remove): Delete.
* df-scan.c (df_ref_create, df_ref_compress_rec): Likewise.
(df_ref_remove): Likewise.
2014-06-15 Richard Sandiford <rdsandiford@googlemail.com>
* df.h (df_single_def, df_single_use): New functions.

113
gcc/df-scan.c
View File

@ -111,10 +111,6 @@ static void df_uses_record (struct df_collection_rec *,
int ref_flags);
static void df_install_ref_incremental (df_ref);
static df_ref df_ref_create_structure (enum df_ref_class,
struct df_collection_rec *, rtx, rtx *,
basic_block, struct df_insn_info *,
enum df_ref_type, int ref_flags);
static void df_insn_refs_collect (struct df_collection_rec*,
basic_block, struct df_insn_info *);
static void df_canonize_collection_rec (struct df_collection_rec *);
@ -694,32 +690,6 @@ df_uses_create (rtx *loc, rtx insn, int ref_flags)
ref_flags);
}
/* Create a new ref of type DF_REF_TYPE for register REG at address
LOC within INSN of BB. This function is only used externally. */
df_ref
df_ref_create (rtx reg, rtx *loc, rtx insn,
basic_block bb,
enum df_ref_type ref_type,
int ref_flags)
{
enum df_ref_class cl;
df_grow_reg_info ();
/* You cannot hack artificial refs. */
gcc_assert (insn);
if (loc)
cl = DF_REF_REGULAR;
else
cl = DF_REF_BASE;
return df_ref_create_structure (cl, NULL, reg, loc, bb,
DF_INSN_INFO_GET (insn),
ref_type, ref_flags);
}
static void
df_install_ref_incremental (df_ref ref)
{
@ -934,89 +904,6 @@ df_reg_chain_unlink (df_ref ref)
}
/* Remove REF from VEC. */
static void
df_ref_compress_rec (df_ref **vec_ptr, df_ref ref)
{
df_ref *vec = *vec_ptr;
if (vec[1])
{
while (*vec && *vec != ref)
vec++;
while (*vec)
{
*vec = *(vec+1);
vec++;
}
}
else
{
free (vec);
*vec_ptr = df_null_ref_rec;
}
}
/* Unlink REF from all def-use/use-def chains, etc. */
void
df_ref_remove (df_ref ref)
{
#if 0
if (dump_file)
{
fprintf (dump_file, "removing ref ");
df_ref_debug (ref, dump_file);
}
#endif
if (DF_REF_REG_DEF_P (ref))
{
if (DF_REF_IS_ARTIFICIAL (ref))
{
struct df_scan_bb_info *bb_info
= df_scan_get_bb_info (DF_REF_BBNO (ref));
df_ref_compress_rec (&bb_info->artificial_defs, ref);
}
else
{
unsigned int uid = DF_REF_INSN_UID (ref);
struct df_insn_info *insn_rec = DF_INSN_UID_GET (uid);
df_ref_compress_rec (&insn_rec->defs, ref);
}
}
else
{
if (DF_REF_IS_ARTIFICIAL (ref))
{
struct df_scan_bb_info *bb_info
= df_scan_get_bb_info (DF_REF_BBNO (ref));
df_ref_compress_rec (&bb_info->artificial_uses, ref);
}
else
{
unsigned int uid = DF_REF_INSN_UID (ref);
struct df_insn_info *insn_rec = DF_INSN_UID_GET (uid);
if (DF_REF_FLAGS (ref) & DF_REF_IN_NOTE)
df_ref_compress_rec (&insn_rec->eq_uses, ref);
else
df_ref_compress_rec (&insn_rec->uses, ref);
}
}
/* By deleting the ref directly, df_insn_rescan my not find any
differences even though the block will have changed. So we need
to mark the block dirty ourselves. */
if (!DEBUG_INSN_P (DF_REF_INSN (ref)))
df_set_bb_dirty (DF_REF_BB (ref));
df_reg_chain_unlink (ref);
}
/* Create the insn record for INSN. If there was one there, zero it
out. */

3
gcc/df.h
View File

@ -1027,10 +1027,7 @@ extern void df_scan_add_problem (void);
extern void df_grow_reg_info (void);
extern void df_grow_insn_info (void);
extern void df_scan_blocks (void);
extern df_ref df_ref_create (rtx, rtx *, rtx,basic_block,
enum df_ref_type, int ref_flags);
extern void df_uses_create (rtx *, rtx, int);
extern void df_ref_remove (df_ref);
extern struct df_insn_info * df_insn_create_insn_record (rtx);
extern void df_insn_delete (rtx);
extern void df_bb_refs_record (int, bool);