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ira-color.c (put_allocno_into_bucket): Remove set but not used local variable hard_regs_num. 

2009-11-28  David Binderman  <dcb314@hotmail.com>

	* ira-color.c (put_allocno_into_bucket): Remove set but not used
	local variable hard_regs_num.
	* ira-lives.c (process_single_reg_class_operands): Remove cover_class.
	* loop-unswitch.c (unswitch_loop): Remove zero_bitmap.
	* lower-subreg.c (decompose_multiword_subregs): Remove next.

From-SVN: r154720
This commit is contained in:
David Binderman 2009-11-28 09:49:56 +00:00 committed by Paolo Carlini
parent dcbb944675
commit 11895e28ee
5 changed files with 10 additions and 9 deletions
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8
gcc/ChangeLog
View File

@ -1,3 +1,11 @@
2009-11-28 David Binderman <dcb314@hotmail.com>
* ira-color.c (put_allocno_into_bucket): Remove set but not used
local variable hard_regs_num.
* ira-lives.c (process_single_reg_class_operands): Remove cover_class.
* loop-unswitch.c (unswitch_loop): Remove zero_bitmap.
* lower-subreg.c (decompose_multiword_subregs): Remove next.
2009-11-27 Martin Jambor <mjambor@suse.cz>
PR middle-end/42006

2
gcc/ira-color.c
View File

@ -1476,11 +1476,9 @@ setup_allocno_left_conflicts_size (ira_allocno_t allocno)
static void
put_allocno_into_bucket (ira_allocno_t allocno)
{
int hard_regs_num;
enum reg_class cover_class;
cover_class = ALLOCNO_COVER_CLASS (allocno);
hard_regs_num = ira_class_hard_regs_num[cover_class];
if (ALLOCNO_FIRST_COALESCED_ALLOCNO (allocno) != allocno)
return;
ALLOCNO_IN_GRAPH_P (allocno) = true;

3
gcc/ira-lives.c
View File

@ -804,7 +804,7 @@ process_single_reg_class_operands (bool in_p, int freq)
{
int i, regno, cost;
unsigned int px;
enum reg_class cl, cover_class;
enum reg_class cl;
rtx operand;
ira_allocno_t operand_a, a;
@ -861,7 +861,6 @@ process_single_reg_class_operands (bool in_p, int freq)
EXECUTE_IF_SET_IN_SPARSESET (allocnos_live, px)
{
a = ira_allocnos[px];
cover_class = ALLOCNO_COVER_CLASS (a);
if (a != operand_a)
{
/* We could increase costs of A instead of making it

2
gcc/loop-unswitch.c
View File

@ -392,7 +392,6 @@ unswitch_loop (struct loop *loop, basic_block unswitch_on, rtx cond, rtx cinsn)
edge entry, latch_edge, true_edge, false_edge, e;
basic_block switch_bb, unswitch_on_alt;
struct loop *nloop;
sbitmap zero_bitmap;
int irred_flag, prob;
rtx seq;
@ -409,7 +408,6 @@ unswitch_loop (struct loop *loop, basic_block unswitch_on, rtx cond, rtx cinsn)
/* Make a copy. */
irred_flag = entry->flags & EDGE_IRREDUCIBLE_LOOP;
entry->flags &= ~EDGE_IRREDUCIBLE_LOOP;
zero_bitmap = sbitmap_alloc (2);
if (!duplicate_loop_to_header_edge (loop, entry, 1,
NULL, NULL, NULL, 0))
return NULL;

4
gcc/lower-subreg.c
View File

@ -1174,13 +1174,11 @@ decompose_multiword_subregs (void)
FOR_BB_INSNS (bb, insn)
{
rtx next, pat;
rtx pat;
if (!INSN_P (insn))
continue;
next = NEXT_INSN (insn);
pat = PATTERN (insn);
if (GET_CODE (pat) == CLOBBER)
resolve_clobber (pat, insn);