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toplev.c (no_new_pseudos): Deleted. 

2007-07-11  Kenneth Zadeck <zadeck@naturalbridge.com>

	* toplev.c (no_new_pseudos): Deleted.
	* rtl.h (no_new_pseudos): Deleted.
	* tree-pass.h (pass_no_new_pseudos): Deleted. 
	* passes.c (pass_no_new_pseudos): Deleted.
	* final.c (rest_of_clean_state): Removed no_new_pseudos.
	(rest_of_no_new_pseudos, pass_no_new_pseudos): Deleted.
	* struct-equiv.c (rtx_equiv_p): Replaced no_new_pseudos with 
	reload_completed.
	* cfgcleanup.c (try_crossjump_to_edge): Ditto. 
	* rtlhooks.c (gen_lowpart_general): Ditto.
	* optabs.c (prepare_operand): Ditto.
	* mode-switching.c (rest_of_handle_mode_switching): Deleted set of
	no_new_pseudos.
	* modulo-sched.c (rest_of_handle_sms): Ditto.
	* see.c (rest_of_handle_see): Ditto.
	* ifcvt.c (if_convert): Ditto.
	(gate_handle_if_after_combine): Replaced no_new_pseudos with 
	reload_completed.
	* init-regs.c (gate_initialize_regs): Deleted set of
	no_new_pseudos.
	* lower-subreg.c (decompose_multiword_subregs): Ditto. 
	* bb-reorder.c (rest_of_handle_partition_blocks): Ditto.
	* doc/md.texi: Changed no_new_pseudos to can_create_pseudo_p.

From-SVN: r126561
This commit is contained in:
Kenneth Zadeck 2007-07-11 22:57:51 +00:00 committed by Kenneth Zadeck
parent d90dc4fc7f
commit ef4375b218
18 changed files with 32 additions and 64 deletions
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26
gcc/ChangeLog
View File

@ -1,3 +1,29 @@
2007-07-11 Kenneth Zadeck <zadeck@naturalbridge.com>
* toplev.c (no_new_pseudos): Deleted.
* rtl.h (no_new_pseudos): Deleted.
* tree-pass.h (pass_no_new_pseudos): Deleted.
* passes.c (pass_no_new_pseudos): Deleted.
* final.c (rest_of_clean_state): Removed no_new_pseudos.
(rest_of_no_new_pseudos, pass_no_new_pseudos): Deleted.
* struct-equiv.c (rtx_equiv_p): Replaced no_new_pseudos with
reload_completed.
* cfgcleanup.c (try_crossjump_to_edge): Ditto.
* rtlhooks.c (gen_lowpart_general): Ditto.
* optabs.c (prepare_operand): Ditto.
* mode-switching.c (rest_of_handle_mode_switching): Deleted set of
no_new_pseudos.
* modulo-sched.c (rest_of_handle_sms): Ditto.
* see.c (rest_of_handle_see): Ditto.
* ifcvt.c (if_convert): Ditto.
(gate_handle_if_after_combine): Replaced no_new_pseudos with
reload_completed.
* init-regs.c (gate_initialize_regs): Deleted set of
no_new_pseudos.
* lower-subreg.c (decompose_multiword_subregs): Ditto.
* bb-reorder.c (rest_of_handle_partition_blocks): Ditto.
* doc/md.texi: Changed no_new_pseudos to can_create_pseudo_p.
2007-07-11 Uros Bizjak <ubizjak@gmail.com>
PR target/32661

2
gcc/bb-reorder.c
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@ -2256,9 +2256,7 @@ gate_handle_partition_blocks (void)
static unsigned int
rest_of_handle_partition_blocks (void)
{
no_new_pseudos = 0;
partition_hot_cold_basic_blocks ();
no_new_pseudos = 1;
return 0;
}

2
gcc/cfgcleanup.c
View File

@ -1587,7 +1587,7 @@ try_crossjump_to_edge (int mode, edge e1, edge e2)
partition boundaries). See the comments at the top of
bb-reorder.c:partition_hot_cold_basic_blocks for complete details. */
if (flag_reorder_blocks_and_partition && no_new_pseudos)
if (flag_reorder_blocks_and_partition && reload_completed)
return false;
/* Search backward through forwarder blocks. We don't need to worry

4
gcc/doc/md.texi
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@ -3435,8 +3435,8 @@ it can be allocated using @code{gen_reg_rtx} prior to life analysis.
If there are cases which need scratch registers during or after reload,
you must provide an appropriate secondary_reload target hook.
@findex no_new_pseudos
The global variable @code{no_new_pseudos} can be used to determine if it
@findex can_create_pseudo_p
The macro @code{can_create_pseudo_p} can be used to determine if it
is unsafe to create new pseudo registers. If this variable is nonzero, then
it is unsafe to call @code{gen_reg_rtx} to allocate a new pseudo.

25
gcc/final.c
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@ -4091,7 +4091,6 @@ rest_of_clean_state (void)
reload_completed = 0;
epilogue_completed = 0;
no_new_pseudos = 0;
#ifdef STACK_REGS
regstack_completed = 0;
#endif
@ -4147,27 +4146,3 @@ struct tree_opt_pass pass_clean_state =
0 /* letter */
};
/* Set no_new_pseudos. */
static unsigned int
rest_of_no_new_pseudos (void)
{
no_new_pseudos = 1;
return 0;
}
struct tree_opt_pass pass_no_new_pseudos =
{
NULL, /* name */
NULL, /* gate */
rest_of_no_new_pseudos, /* execute */
NULL, /* sub */
NULL, /* next */
0, /* static_pass_number */
0, /* tv_id */
0, /* properties_required */
0, /* properties_provided */
0, /* properties_destroyed */
0, /* todo_flags_start */
0, /* todo_flags_finish */
'p' /* letter */
};

6
gcc/ifcvt.c
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@ -3968,10 +3968,6 @@ if_convert (bool recompute_dominance)
num_updated_if_blocks = 0;
num_true_changes = 0;
/* Some transformations in this pass can create new pseudos,
if the pass runs before reload. Make sure we can do so. */
gcc_assert (! no_new_pseudos || reload_completed);
loop_optimizer_init (AVOID_CFG_MODIFICATIONS);
mark_loop_exit_edges ();
loop_optimizer_finalize ();
@ -4105,9 +4101,7 @@ gate_handle_if_after_combine (void)
static unsigned int
rest_of_handle_if_after_combine (void)
{
no_new_pseudos = 0;
if_convert (true);
no_new_pseudos = 1;
return 0;
}

2
gcc/init-regs.c
View File

@ -132,9 +132,7 @@ gate_initialize_regs (void)
static unsigned int
rest_of_handle_initialize_regs (void)
{
no_new_pseudos = 0;
initialize_uninitialized_regs ();
no_new_pseudos = 1;
return 0;
}

4
gcc/lower-subreg.c
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@ -1070,7 +1070,6 @@ decompose_multiword_subregs (void)
bitmap_and_compl_into (decomposable_context, non_decomposable_context);
if (!bitmap_empty_p (decomposable_context))
{
int hold_no_new_pseudos = no_new_pseudos;
sbitmap sub_blocks;
unsigned int i;
sbitmap_iterator sbi;
@ -1079,7 +1078,6 @@ decompose_multiword_subregs (void)
propagate_pseudo_copies ();
no_new_pseudos = 0;
sub_blocks = sbitmap_alloc (last_basic_block);
sbitmap_zero (sub_blocks);
@ -1185,8 +1183,6 @@ decompose_multiword_subregs (void)
}
}
no_new_pseudos = hold_no_new_pseudos;
/* If we had insns to split that caused control flow insns in the middle
of a basic block, split those blocks now. Note that we only handle
the case where splitting a load has caused multiple possibly trapping

2
gcc/mode-switching.c
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@ -740,9 +740,7 @@ static unsigned int
rest_of_handle_mode_switching (void)
{
#ifdef OPTIMIZE_MODE_SWITCHING
no_new_pseudos = 0;
optimize_mode_switching ();
no_new_pseudos = 1;
#endif /* OPTIMIZE_MODE_SWITCHING */
return 0;
}

3
gcc/modulo-sched.c
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@ -2472,15 +2472,12 @@ rest_of_handle_sms (void)
#ifdef INSN_SCHEDULING
basic_block bb;
/* We want to be able to create new pseudos. */
no_new_pseudos = 0;
/* Collect loop information to be used in SMS. */
cfg_layout_initialize (0);
sms_schedule ();
/* Update the life information, because we add pseudos. */
max_regno = max_reg_num ();
no_new_pseudos = 1;
/* Finalize layout changes. */
FOR_EACH_BB (bb)

2
gcc/optabs.c
View File

@ -3953,7 +3953,7 @@ prepare_operand (int icode, rtx x, int opnum, enum machine_mode mode,
if (!insn_data[icode].operand[opnum].predicate
(x, insn_data[icode].operand[opnum].mode))
{
if (no_new_pseudos)
if (reload_completed)
return NULL_RTX;
x = copy_to_mode_reg (insn_data[icode].operand[opnum].mode, x);
}

1
gcc/passes.c
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@ -727,7 +727,6 @@ init_optimization_passes (void)
NEXT_PASS (pass_regclass_init);
NEXT_PASS (pass_inc_dec);
NEXT_PASS (pass_initialize_regs);
NEXT_PASS (pass_no_new_pseudos);
NEXT_PASS (pass_outof_cfg_layout_mode);
NEXT_PASS (pass_ud_rtl_dce);
NEXT_PASS (pass_combine);

4
gcc/rtl.h
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@ -1977,10 +1977,6 @@ extern int regstack_completed;
the same indirect address eventually. */
extern int cse_not_expected;
/* Set to nonzero before life analysis to indicate that it is unsafe to
generate any new pseudo registers. */
extern int no_new_pseudos;
/* Translates rtx code to tree code, for those codes needed by
REAL_ARITHMETIC. The function returns an int because the caller may not
know what `enum tree_code' means. */

2
gcc/rtlhooks.c
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@ -66,7 +66,7 @@ gen_lowpart_general (enum machine_mode mode, rtx x)
&& SCALAR_INT_MODE_P (GET_MODE (x))
&& TRULY_NOOP_TRUNCATION (GET_MODE_BITSIZE (mode),
GET_MODE_BITSIZE (GET_MODE (x)))
&& ! no_new_pseudos)
&& !reload_completed)
return gen_lowpart_general (mode, force_reg (GET_MODE (x), x));
if (WORDS_BIG_ENDIAN)

5
gcc/see.c
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@ -3814,12 +3814,7 @@ gate_handle_see (void)
static unsigned int
rest_of_handle_see (void)
{
int no_new_pseudos_bcp = no_new_pseudos;
no_new_pseudos = 0;
see_main ();
no_new_pseudos = no_new_pseudos_bcp;
run_fast_dce ();
return 0;
}

2
gcc/struct-equiv.c
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@ -431,7 +431,7 @@ rtx_equiv_p (rtx *xp, rtx y, int rvalue, struct equiv_info *info)
return false;
else if (x_common_live)
{
if (! rvalue || info->input_cost < 0 || no_new_pseudos)
if (! rvalue || info->input_cost < 0 || reload_completed)
return false;
/* If info->live_update is not set, we are processing notes.
We then allow a match with x_input / y_input found in a

3
gcc/toplev.c
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@ -149,9 +149,6 @@ location_t input_location;
struct line_maps line_table;
/* Nonzero if it is unsafe to create any new pseudo registers. */
int no_new_pseudos;
/* Stack of currently pending input files. */
struct file_stack *input_file_stack;

1
gcc/tree-pass.h
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@ -384,7 +384,6 @@ extern struct tree_opt_pass pass_regclass_init;
extern struct tree_opt_pass pass_subregs_of_mode_init;
extern struct tree_opt_pass pass_subregs_of_mode_finish;
extern struct tree_opt_pass pass_inc_dec;
extern struct tree_opt_pass pass_no_new_pseudos;
extern struct tree_opt_pass pass_stack_ptr_mod;
extern struct tree_opt_pass pass_initialize_regs;
extern struct tree_opt_pass pass_combine;