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Free removed sblocks.

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This commit is contained in:
Bill Currie 2011-01-28 13:23:20 +09:00
parent 80424f6ad5
commit a37bdd9fb5
1 changed files with 35 additions and 0 deletions
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35
tools/qfcc/source/statements.c
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@ -171,6 +171,38 @@ new_operand (op_type_e op)
return operand;
}
static void
free_operand (operand_t *op)
{
op->next = free_operands;
free_operands = op;
}
static void
free_statement (statement_t *s)
{
if (s->opa)
free_operand (s->opa);
if (s->opb)
free_operand (s->opb);
if (s->opc)
free_operand (s->opc);
s->next = free_statements;
free_statements = s;
}
static void
free_sblock (sblock_t *sblock)
{
while (sblock->statements) {
statement_t *s = sblock->statements;
sblock->statements = s->next;
free_statement (s);
}
sblock->next = free_sblocks;
free_sblocks = sblock;
}
static const char *
convert_op (int op)
{
@ -831,7 +863,10 @@ remove_dead_blocks (sblock_t *blocks)
ex_label_t *label = 0;
notice (0, "removing dead block %p", sb);
sblock->next = sb->next;
free_sblock (sb);
s = (statement_t *) sblock->tail;
if (!strcmp (s->opcode, "<GOTO>"))
label = s->opa->o.label;