aboutsummaryrefslogtreecommitdiff
path: root/gcc/regstat.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/regstat.c')
-rw-r--r--gcc/regstat.c60
1 files changed, 30 insertions, 30 deletions
diff --git a/gcc/regstat.c b/gcc/regstat.c
index 70ddfa4..cb4471b 100644
--- a/gcc/regstat.c
+++ b/gcc/regstat.c
@@ -39,7 +39,7 @@ along with GCC; see the file COPYING3. If not see
struct regstat_n_sets_and_refs_t *regstat_n_sets_and_refs;
/*----------------------------------------------------------------------------
- REG_N_SETS and REG_N_REFS.
+ REG_N_SETS and REG_N_REFS.
----------------------------------------------------------------------------*/
/* If a pass need to change these values in some magical way or or the
@@ -117,7 +117,7 @@ size_t reg_info_p_size;
here. */
static void
-regstat_bb_compute_ri (unsigned int bb_index,
+regstat_bb_compute_ri (unsigned int bb_index,
bitmap live, bitmap do_not_gen, bitmap artificial_uses,
bitmap local_live, bitmap local_processed)
{
@@ -156,7 +156,7 @@ regstat_bb_compute_ri (unsigned int bb_index,
bitmap_set_bit (artificial_uses, regno);
}
}
-
+
FOR_BB_INSNS_REVERSE (bb, insn)
{
unsigned int uid = INSN_UID (insn);
@@ -164,7 +164,7 @@ regstat_bb_compute_ri (unsigned int bb_index,
bitmap_iterator bi;
struct df_mw_hardreg **mws_rec;
rtx link;
-
+
if (!NONDEBUG_INSN_P (insn))
continue;
@@ -176,7 +176,7 @@ regstat_bb_compute_ri (unsigned int bb_index,
REG_LIVE_LENGTH (regno)++;
}
luid++;
-
+
bitmap_clear (do_not_gen);
link = REG_NOTES (insn);
@@ -190,7 +190,7 @@ regstat_bb_compute_ri (unsigned int bb_index,
/* Process the defs. */
if (CALL_P (insn))
{
- bool can_throw = can_throw_internal (insn);
+ bool can_throw = can_throw_internal (insn);
bool set_jump = (find_reg_note (insn, REG_SETJMP, NULL) != NULL);
EXECUTE_IF_SET_IN_BITMAP (live, 0, regno, bi)
{
@@ -198,7 +198,7 @@ regstat_bb_compute_ri (unsigned int bb_index,
REG_FREQ_CALLS_CROSSED (regno) += REG_FREQ_FROM_BB (bb);
if (can_throw)
REG_N_THROWING_CALLS_CROSSED (regno)++;
-
+
/* We have a problem with any pseudoreg that lives
across the setjmp. ANSI says that if a user variable
does not change in value between the setjmp and the
@@ -214,17 +214,17 @@ regstat_bb_compute_ri (unsigned int bb_index,
bitmap_set_bit (setjmp_crosses, regno);
}
}
-
+
/* We only care about real sets for calls. Clobbers only
may clobbers cannot be depended on. */
for (mws_rec = DF_INSN_UID_MWS (uid); *mws_rec; mws_rec++)
{
- struct df_mw_hardreg *mws = *mws_rec;
- if (DF_MWS_REG_DEF_P (mws))
+ struct df_mw_hardreg *mws = *mws_rec;
+ if (DF_MWS_REG_DEF_P (mws))
{
bool all_dead = true;
unsigned int r;
-
+
for (r=mws->start_regno; r <= mws->end_regno; r++)
if ((bitmap_bit_p (live, r))
|| bitmap_bit_p (artificial_uses, r))
@@ -232,7 +232,7 @@ regstat_bb_compute_ri (unsigned int bb_index,
all_dead = false;
break;
}
-
+
if (all_dead)
{
unsigned int regno = mws->start_regno;
@@ -242,7 +242,7 @@ regstat_bb_compute_ri (unsigned int bb_index,
}
}
}
-
+
/* All of the defs except the return value are some sort of
clobber. This code is for the return. */
for (def_rec = DF_INSN_UID_DEFS (uid); *def_rec; def_rec++)
@@ -252,7 +252,7 @@ regstat_bb_compute_ri (unsigned int bb_index,
|| (!(DF_REF_FLAGS (def) & (DF_REF_MUST_CLOBBER | DF_REF_MAY_CLOBBER))))
{
unsigned int dregno = DF_REF_REGNO (def);
-
+
if (bitmap_bit_p (live, dregno))
{
/* If we have seen this regno, then it has already been
@@ -275,7 +275,7 @@ regstat_bb_compute_ri (unsigned int bb_index,
{
REG_LIVE_LENGTH (dregno)++;
}
-
+
if (dregno >= FIRST_PSEUDO_REGISTER)
{
REG_FREQ (dregno) += REG_FREQ_FROM_BB (bb);
@@ -284,16 +284,16 @@ regstat_bb_compute_ri (unsigned int bb_index,
else if (REG_BASIC_BLOCK (dregno) != bb->index)
REG_BASIC_BLOCK (dregno) = REG_BLOCK_GLOBAL;
}
-
+
if (!(DF_REF_FLAGS (def) & (DF_REF_MUST_CLOBBER + DF_REF_MAY_CLOBBER)))
bitmap_set_bit (do_not_gen, dregno);
-
+
/* Kill this register if it is not a subreg store or conditional store. */
if (!(DF_REF_FLAGS (def) & (DF_REF_PARTIAL | DF_REF_CONDITIONAL)))
bitmap_clear_bit (live, dregno);
}
}
-
+
for (use_rec = DF_INSN_UID_USES (uid); *use_rec; use_rec++)
{
df_ref use = *use_rec;
@@ -307,7 +307,7 @@ regstat_bb_compute_ri (unsigned int bb_index,
else if (REG_BASIC_BLOCK (uregno) != bb->index)
REG_BASIC_BLOCK (uregno) = REG_BLOCK_GLOBAL;
}
-
+
if (!bitmap_bit_p (live, uregno))
{
/* This register is now live. */
@@ -326,7 +326,7 @@ regstat_bb_compute_ri (unsigned int bb_index,
}
}
}
-
+
/* Add the length of the block to all of the registers that were not
referenced, but still live in this block. */
bitmap_and_compl_into (live, local_processed);
@@ -376,8 +376,8 @@ regstat_compute_ri (void)
{
REG_BASIC_BLOCK (regno) = REG_BLOCK_UNKNOWN;
REG_LIVE_LENGTH (regno) = -1;
- }
-
+ }
+
BITMAP_FREE (local_live);
BITMAP_FREE (local_processed);
timevar_pop (TV_REG_STATS);
@@ -391,14 +391,14 @@ regstat_free_ri (void)
{
gcc_assert (reg_info_p);
reg_info_p_size = 0;
- free (reg_info_p);
+ free (reg_info_p);
reg_info_p = NULL;
BITMAP_FREE (setjmp_crosses);
}
-/* Return a bitmap containing the set of registers that cross a setjmp.
+/* Return a bitmap containing the set of registers that cross a setjmp.
The client should not change or delete this bitmap. */
bitmap
@@ -408,7 +408,7 @@ regstat_get_setjmp_crosses (void)
}
/*----------------------------------------------------------------------------
- Process REG_N_CALLS_CROSSED.
+ Process REG_N_CALLS_CROSSED.
This is used by sched_deps. A good implementation of sched-deps
would really process the blocks directly rather than going through
@@ -447,12 +447,12 @@ regstat_bb_compute_calls_crossed (unsigned int bb_index, bitmap live)
if ((DF_REF_FLAGS (use) & DF_REF_AT_TOP) == 0)
bitmap_set_bit (live, DF_REF_REGNO (use));
}
-
+
FOR_BB_INSNS_REVERSE (bb, insn)
{
unsigned int uid = INSN_UID (insn);
unsigned int regno;
-
+
if (!INSN_P (insn))
continue;
@@ -466,7 +466,7 @@ regstat_bb_compute_calls_crossed (unsigned int bb_index, bitmap live)
REG_FREQ_CALLS_CROSSED (regno) += REG_FREQ_FROM_BB (bb);
}
}
-
+
/* All of the defs except the return value are some sort of
clobber. This code is for the return. */
for (def_rec = DF_INSN_UID_DEFS (uid); *def_rec; def_rec++)
@@ -480,7 +480,7 @@ regstat_bb_compute_calls_crossed (unsigned int bb_index, bitmap live)
bitmap_clear_bit (live, DF_REF_REGNO (def));
}
}
-
+
for (use_rec = DF_INSN_UID_USES (uid); *use_rec; use_rec++)
{
df_ref use = *use_rec;
@@ -522,7 +522,7 @@ regstat_free_calls_crossed (void)
{
gcc_assert (reg_info_p);
reg_info_p_size = 0;
- free (reg_info_p);
+ free (reg_info_p);
reg_info_p = NULL;
}