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-rw-r--r--gcc/ChangeLog8
-rw-r--r--gcc/ira-color.c2
-rw-r--r--gcc/ira-lives.c3
-rw-r--r--gcc/loop-unswitch.c2
-rw-r--r--gcc/lower-subreg.c4
5 files changed, 10 insertions, 9 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 02faa0051b7..4b9f72325ff 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -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
diff --git a/gcc/ira-color.c b/gcc/ira-color.c
index 87237b5c90a..4ba7112d7bf 100644
--- a/gcc/ira-color.c
+++ b/gcc/ira-color.c
@@ -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;
diff --git a/gcc/ira-lives.c b/gcc/ira-lives.c
index 4302598233a..7f2769f81e0 100644
--- a/gcc/ira-lives.c
+++ b/gcc/ira-lives.c
@@ -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
diff --git a/gcc/loop-unswitch.c b/gcc/loop-unswitch.c
index 513fc643462..ca9543c02a3 100644
--- a/gcc/loop-unswitch.c
+++ b/gcc/loop-unswitch.c
@@ -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;
diff --git a/gcc/lower-subreg.c b/gcc/lower-subreg.c
index 590e8e8e01b..3301a9db18c 100644
--- a/gcc/lower-subreg.c
+++ b/gcc/lower-subreg.c
@@ -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);