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Diffstat (limited to 'util/romcc/romcc.c')
-rw-r--r--util/romcc/romcc.c51
1 files changed, 18 insertions, 33 deletions
diff --git a/util/romcc/romcc.c b/util/romcc/romcc.c
index 7eced78ed2..c7ef223667 100644
--- a/util/romcc/romcc.c
+++ b/util/romcc/romcc.c
@@ -4080,12 +4080,10 @@ static void raw_next_token(struct compile_state *state,
}
/* string constants */
else if ((c == '"') || ((c == 'L') && (c1 == '"'))) {
- int wchar, multiline;
+ int multiline;
- wchar = 0;
multiline = 0;
if (c == 'L') {
- wchar = 1;
tokp = next_char(file, tokp, 1);
}
while((c = get_char(file, tokp)) != -1) {
@@ -4113,12 +4111,10 @@ static void raw_next_token(struct compile_state *state,
}
/* character constants */
else if ((c == '\'') || ((c == 'L') && (c1 == '\''))) {
- int wchar, multiline;
+ int multiline;
- wchar = 0;
multiline = 0;
if (c == 'L') {
- wchar = 1;
tokp = next_char(file, tokp, 1);
}
while((c = get_char(file, tokp)) != -1) {
@@ -4897,13 +4893,11 @@ static void raw_token(struct compile_state *state, struct token *tk)
static void pp_token(struct compile_state *state, struct token *tk)
{
- struct file_state *file;
int rescan;
raw_token(state, tk);
do {
rescan = 0;
- file = state->file;
if (tk->tok == TOK_SPACE) {
raw_token(state, tk);
rescan = 1;
@@ -7509,7 +7503,6 @@ static struct triple *write_expr(
struct compile_state *state, struct triple *dest, struct triple *rval)
{
struct triple *def;
- int op;
def = 0;
if (!rval) {
@@ -7532,7 +7525,6 @@ static struct triple *write_expr(
}
/* Now figure out which assignment operator to use */
- op = -1;
if (is_in_reg(state, dest)) {
def = triple(state, OP_WRITE, dest->type, rval, dest);
if (MISC(def, 0) != dest) {
@@ -9168,8 +9160,10 @@ static struct triple *decompose_index(struct compile_state *state,
static void decompose_compound_types(struct compile_state *state)
{
struct triple *ins, *next, *first;
+#if DEBUG_DECOMPOSE_HIRES
FILE *fp;
fp = state->dbgout;
+#endif
first = state->first;
ins = first;
@@ -10462,7 +10456,7 @@ static void register_builtin_function(struct compile_state *state,
const char *name, int op, struct type *rtype, ...)
{
struct type *ftype, *atype, *ctype, *crtype, *param, **next;
- struct triple *def, *arg, *result, *work, *last, *first, *retvar, *ret;
+ struct triple *def, *result, *work, *first, *retvar, *ret;
struct hash_entry *ident;
struct file_state file;
int parameters;
@@ -10530,7 +10524,7 @@ static void register_builtin_function(struct compile_state *state,
} else {
atype = param;
}
- arg = flatten(state, first, variable(state, atype));
+ flatten(state, first, variable(state, atype));
param = param->right;
}
work = new_triple(state, op, rtype, -1, parameters);
@@ -10542,7 +10536,7 @@ static void register_builtin_function(struct compile_state *state,
work = write_expr(state, deref_index(state, result, 1), work);
}
work = flatten(state, first, work);
- last = flatten(state, first, label(state));
+ flatten(state, first, label(state));
ret = flatten(state, first, ret);
name_len = strlen(name);
ident = lookup(state, name, name_len);
@@ -13309,7 +13303,7 @@ static void resolve_branches(struct compile_state *state, struct triple *first)
static struct triple *function_definition(
struct compile_state *state, struct type *type)
{
- struct triple *def, *tmp, *first, *end, *retvar, *result, *ret;
+ struct triple *def, *tmp, *first, *end, *retvar, *ret;
struct triple *fname;
struct type *fname_type;
struct hash_entry *ident;
@@ -13365,7 +13359,7 @@ static struct triple *function_definition(
/* Remove all type qualifiers from the return type */
new_type(TYPE_PRODUCT, ctype, clone_type(0, type->left)), 0);
crtype->elements = 2;
- result = flatten(state, end, variable(state, crtype));
+ flatten(state, end, variable(state, crtype));
/* Allocate a variable for the return address */
retvar = flatten(state, end, variable(state, &void_ptr_type));
@@ -14326,8 +14320,7 @@ static void expand_function_call(
struct triple *func, *func_first, *func_last, *retvar;
struct triple *first;
struct type *ptype, *rtype;
- struct triple *jmp;
- struct triple *ret_addr, *ret_loc, *ret_set;
+ struct triple *ret_addr, *ret_loc;
struct triple_reg_set *enclose, *set;
int closure_idx, pvals, i;
@@ -14429,8 +14422,8 @@ static void expand_function_call(
}
ret_addr = flatten(state, ret_loc, ret_addr);
- ret_set = flatten(state, ret_loc, write_expr(state, retvar, ret_addr));
- jmp = flatten(state, ret_loc,
+ flatten(state, ret_loc, write_expr(state, retvar, ret_addr));
+ flatten(state, ret_loc,
call(state, retvar, ret_addr, func_first, func_last));
/* Find the result */
@@ -14745,7 +14738,7 @@ struct triple *output_asm(struct compile_state *state)
static void join_functions(struct compile_state *state)
{
- struct triple *jmp, *start, *end, *call, *in, *out, *func;
+ struct triple *start, *end, *call, *in, *out, *func;
struct file_state file;
struct type *pnext, *param;
struct type *result_type, *args_type;
@@ -14870,7 +14863,7 @@ static void join_functions(struct compile_state *state)
walk_functions(state, insert_function, end);
if (start->next != end) {
- jmp = flatten(state, start, branch(state, end, 0));
+ flatten(state, start, branch(state, end, 0));
}
/* OK now the functions have been joined. */
@@ -17911,10 +17904,9 @@ static void awaken(
static void eliminate_inefectual_code(struct compile_state *state)
{
- struct block *block;
struct dead_triple *dtriple, *work_list, **work_list_tail, *dt;
int triples, i;
- struct triple *first, *final, *ins;
+ struct triple *first, *ins;
if (!(state->compiler->flags & COMPILER_ELIMINATE_INEFECTUAL_CODE)) {
return;
@@ -17925,7 +17917,6 @@ static void eliminate_inefectual_code(struct compile_state *state)
work_list_tail = &work_list;
first = state->first;
- final = state->first->prev;
/* Count how many triples I have */
triples = count_triples(state);
@@ -17935,7 +17926,6 @@ static void eliminate_inefectual_code(struct compile_state *state)
ins = first;
i = 1;
- block = 0;
do {
dtriple[i].triple = ins;
dtriple[i].block = block_of_triple(state, ins);
@@ -18293,8 +18283,6 @@ static void print_interference_block(
for(done = 0, ptr = block->first; !done; ptr = ptr->next) {
struct live_range *lr;
unsigned id;
- int op;
- op = ptr->op;
done = (ptr == block->last);
lr = rstate->lrd[ptr->id].lr;
@@ -20085,7 +20073,6 @@ static void allocate_registers(struct compile_state *state)
do {
struct live_range **point, **next;
- int conflicts;
int tangles;
int coalesced;
@@ -20105,7 +20092,7 @@ static void allocate_registers(struct compile_state *state)
rstate.blocks = compute_variable_lifetimes(state, &state->bb);
/* Fix invalid mandatory live range coalesce conflicts */
- conflicts = correct_coalesce_conflicts(state, rstate.blocks);
+ correct_coalesce_conflicts(state, rstate.blocks);
/* Fix two simultaneous uses of the same register.
* In a few pathlogical cases a partial untangle moves
@@ -23186,13 +23173,12 @@ struct reg_info arch_reg_rhs(struct compile_state *state, struct triple *ins, in
static struct triple *mod_div(struct compile_state *state,
struct triple *ins, int div_op, int index)
{
- struct triple *div, *piece0, *piece1;
+ struct triple *div, *piece1;
/* Generate the appropriate division instruction */
div = post_triple(state, ins, div_op, ins->type, 0, 0);
RHS(div, 0) = RHS(ins, 0);
RHS(div, 1) = RHS(ins, 1);
- piece0 = LHS(div, 0);
piece1 = LHS(div, 1);
div->template_id = TEMPLATE_DIV32;
use_triple(RHS(div, 0), div);
@@ -24393,11 +24379,10 @@ static void print_op_move(struct compile_state *state,
if ((size_of(state, src->type) < size_of(state, dst->type)) &&
(is_signed(src->type)))
{
- int bits, reg_bits, shift_bits;
+ int reg_bits, shift_bits;
int dst_reg;
int dst_regcm;
- bits = size_of(state, src->type);
reg_bits = reg_size(state, dst);
if (reg_bits > 32) {
reg_bits = 32;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 13:58:15 +0000