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cfgrtl.c (commit_one_edge_insertion): Remove set but not used local variable bb_note. 

2009-11-24  David Binderman <dcb314@hotmail.com>

	* cfgrtl.c (commit_one_edge_insertion): Remove set but not used
	local variable bb_note.
        * dominance.c (get_dominated_by): Likewise local var n.
        (output_file_names): Likewise local var idx.
        (add_location_or_const_value_attribute): Likewise local var status.
        * dwarf2out.c (gen_variable_die): Likewise local var field.
        * emit-rtl.c (no_line_numbers): Remove.
	(init_emit_once): Remove line_numbers parameter.
        * rtl.h (init_emit_once): Adjust prototype.
        * toplev.c (backend_init): Adjust init_emit_once call.

From-SVN: r154496
This commit is contained in:
David Binderman 2009-11-24 12:59:00 +00:00 committed by Paolo Carlini
parent 44018bc325
commit 2d8882865f
7 changed files with 21 additions and 31 deletions
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13
gcc/ChangeLog
View File

@ -1,3 +1,16 @@
2009-11-24 David Binderman <dcb314@hotmail.com>
* cfgrtl.c (commit_one_edge_insertion): Remove set but not used
local variable bb_note.
* dominance.c (get_dominated_by): Likewise local var n.
(output_file_names): Likewise local var idx.
(add_location_or_const_value_attribute): Likewise local var status.
* dwarf2out.c (gen_variable_die): Likewise local var field.
* emit-rtl.c (no_line_numbers): Remove.
(init_emit_once): Remove line_numbers parameter.
* rtl.h (init_emit_once): Adjust prototype.
* toplev.c (backend_init): Adjust init_emit_once call.
2009-11-24 Richard Guenther <rguenther@suse.de>
PR tree-optimization/42142

8
gcc/cfgrtl.c
View File

@ -1506,16 +1506,12 @@ commit_one_edge_insertion (edge e)
&& BB_PARTITION (e->src) == BB_COLD_PARTITION
&& !(e->flags & EDGE_CROSSING))
{
rtx bb_note, cur_insn;
rtx cur_insn;
bb_note = NULL_RTX;
for (cur_insn = BB_HEAD (bb); cur_insn != NEXT_INSN (BB_END (bb));
cur_insn = NEXT_INSN (cur_insn))
if (NOTE_INSN_BASIC_BLOCK_P (cur_insn))
{
bb_note = cur_insn;
break;
}
break;
if (JUMP_P (BB_END (bb))
&& !any_condjump_p (BB_END (bb))

3
gcc/dominance.c
View File

@ -739,7 +739,6 @@ set_immediate_dominator (enum cdi_direction dir, basic_block bb,
VEC (basic_block, heap) *
get_dominated_by (enum cdi_direction dir, basic_block bb)
{
int n;
unsigned int dir_index = dom_convert_dir_to_idx (dir);
struct et_node *node = bb->dom[dir_index], *son = node->son, *ason;
VEC (basic_block, heap) *bbs = NULL;
@ -750,7 +749,7 @@ get_dominated_by (enum cdi_direction dir, basic_block bb)
return NULL;
VEC_safe_push (basic_block, heap, bbs, (basic_block) son->data);
for (ason = son->right, n = 1; ason != son; ason = ason->right)
for (ason = son->right; ason != son; ason = ason->right)
VEC_safe_push (basic_block, heap, bbs, (basic_block) ason->data);
return bbs;

7
gcc/dwarf2out.c
View File

@ -11261,7 +11261,6 @@ output_file_names (void)
int ndirs;
int idx_offset;
int i;
int idx;
if (!last_emitted_file)
{
@ -11388,7 +11387,6 @@ output_file_names (void)
}
/* Emit the directory name table. */
idx = 1;
idx_offset = dirs[0].length > 0 ? 1 : 0;
for (i = 1 - idx_offset; i < ndirs; i++)
dw2_asm_output_nstring (dirs[i].path,
@ -15721,11 +15719,10 @@ add_location_or_const_value_attribute (dw_die_ref die, tree decl,
loc_list = lookup_decl_loc (decl);
if (loc_list && loc_list->first && loc_list->first == loc_list->last)
{
enum var_init_status status;
struct var_loc_node *node;
node = loc_list->first;
status = NOTE_VAR_LOCATION_STATUS (node->var_loc_note);
NOTE_VAR_LOCATION_STATUS (node->var_loc_note);
rtl = NOTE_VAR_LOCATION (node->var_loc_note);
if (GET_CODE (rtl) == VAR_LOCATION
&& GET_CODE (XEXP (rtl, 1)) != PARALLEL)
@ -17962,7 +17959,6 @@ gen_variable_die (tree decl, tree origin, dw_die_ref context_die)
of a data member. */
if (com_decl)
{
tree field;
dw_die_ref com_die;
dw_loc_list_ref loc;
die_node com_die_arg;
@ -18000,7 +17996,6 @@ gen_variable_die (tree decl, tree origin, dw_die_ref context_die)
= htab_create_ggc (10, common_block_die_table_hash,
common_block_die_table_eq, NULL);
field = TREE_OPERAND (DECL_VALUE_EXPR (decl), 0);
com_die_arg.decl_id = DECL_UID (com_decl);
com_die_arg.die_parent = context_die;
com_die = (dw_die_ref) htab_find (common_block_die_table, &com_die_arg);

11
gcc/emit-rtl.c
View File

@ -84,10 +84,6 @@ rtx * regno_reg_rtx;
static GTY(()) int label_num = 1;
/* Nonzero means do not generate NOTEs for source line numbers. */
static int no_line_numbers;
/* Commonly used rtx's, so that we only need space for one copy.
These are initialized once for the entire compilation.
All of these are unique; no other rtx-object will be equal to any
@ -5714,11 +5710,10 @@ init_emit_regs (void)
pic_offset_table_rtx = NULL_RTX;
}
/* Create some permanent unique rtl objects shared between all functions.
LINE_NUMBERS is nonzero if line numbers are to be generated. */
/* Create some permanent unique rtl objects shared between all functions. */
void
init_emit_once (int line_numbers)
init_emit_once (void)
{
int i;
enum machine_mode mode;
@ -5740,8 +5735,6 @@ init_emit_once (int line_numbers)
reg_attrs_htab = htab_create_ggc (37, reg_attrs_htab_hash,
reg_attrs_htab_eq, NULL);
no_line_numbers = ! line_numbers;
/* Compute the word and byte modes. */
byte_mode = VOIDmode;

2
gcc/rtl.h
View File

@ -2224,7 +2224,7 @@ extern int in_sequence_p (void);
extern void force_next_line_note (void);
extern void init_emit (void);
extern void init_emit_regs (void);
extern void init_emit_once (int);
extern void init_emit_once (void);
extern void push_topmost_sequence (void);
extern void pop_topmost_sequence (void);
extern void set_new_first_and_last_insn (rtx, rtx);

8
gcc/toplev.c
View File

@ -2182,13 +2182,7 @@ backend_init_target (void)
static void
backend_init (void)
{
init_emit_once (debug_info_level == DINFO_LEVEL_NORMAL
|| debug_info_level == DINFO_LEVEL_VERBOSE
#ifdef VMS_DEBUGGING_INFO
/* Enable line number info for traceback. */
|| debug_info_level > DINFO_LEVEL_NONE
#endif
|| flag_test_coverage);
init_emit_once ();
init_rtlanal ();
init_inline_once ();