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-rw-r--r--util/romcc/romcc.c40
1 files changed, 32 insertions, 8 deletions
diff --git a/util/romcc/romcc.c b/util/romcc/romcc.c
index d3cb322c88..48632a8fc6 100644
--- a/util/romcc/romcc.c
+++ b/util/romcc/romcc.c
@@ -1329,9 +1329,9 @@ static struct triple zero_triple = {
.op = OP_INTCONST,
.sizes = TRIPLE_SIZES(0, 0, 0, 0),
.id = -1, /* An invalid id */
- .u = { .cval = 0, },
+ .u = { .cval = 0, },
.occurance = &dummy_occurance,
- .param { [0] = 0, [1] = 0, },
+ .param = { [0] = 0, [1] = 0, },
};
@@ -4568,13 +4568,21 @@ static struct triple *array_to_pointer(struct compile_state *state, struct tripl
{
if ((def->type->type & TYPE_MASK) == TYPE_ARRAY) {
struct type *type;
- struct triple *addrconst;
type = new_type(
TYPE_POINTER | (def->type->type & QUAL_MASK),
def->type->left, 0);
- addrconst = triple(state, OP_ADDRCONST, type, 0, 0);
- MISC(addrconst, 0) = def;
- def = addrconst;
+ if ((def->op == OP_SDECL) || is_const(def)) {
+ struct triple *addrconst;
+ if ((def->op != OP_SDECL) && (def->op != OP_BLOBCONST)) {
+ internal_error(state, def, "bad array constant");
+ }
+ addrconst = triple(state, OP_ADDRCONST, type, 0, 0);
+ MISC(addrconst, 0) = def;
+ def = addrconst;
+ }
+ else {
+ def = triple(state, OP_COPY, type, def, 0);
+ }
}
return def;
}
@@ -5689,6 +5697,9 @@ static void mkconst(struct compile_state *state,
static void mkaddr_const(struct compile_state *state,
struct triple *ins, struct triple *sdecl, ulong_t value)
{
+ if (sdecl->op != OP_SDECL) {
+ internal_error(state, ins, "bad base for addrconst");
+ }
wipe_ins(state, ins);
ins->op = OP_ADDRCONST;
ins->sizes = TRIPLE_SIZES(0, 0, 1, 0);
@@ -5801,7 +5812,8 @@ static void flatten_structures(struct compile_state *state)
ins = first;
do {
ins->id &= ~TRIPLE_FLAG_FLATTENED;
- if ((ins->type->type & TYPE_MASK) == TYPE_STRUCT) {
+ if ((ins->op != OP_BLOBCONST) && (ins->op != OP_SDECL) &&
+ ((ins->type->type & TYPE_MASK) == TYPE_STRUCT)) {
internal_error(state, ins, "STRUCT_TYPE remains?");
}
if (ins->op == OP_DOT) {
@@ -16778,6 +16790,12 @@ static void print_const_val(
(long_t)(ins->u.cval));
break;
case OP_ADDRCONST:
+ if (MISC(ins, 0)->op != OP_SDECL) {
+ internal_error(state, ins, "bad base for addrconst");
+ }
+ if (MISC(ins, 0)->u.cval <= 0) {
+ internal_error(state, ins, "unlabeled constant");
+ }
fprintf(fp, " $L%s%lu+%lu ",
state->label_prefix,
MISC(ins, 0)->u.cval,
@@ -16814,7 +16832,13 @@ static void print_const(struct compile_state *state,
}
break;
case OP_ADDRCONST:
- fprintf(fp, " .int L%s%lu+%lu ",
+ if (MISC(ins, 0)->op != OP_SDECL) {
+ internal_error(state, ins, "bad base for addrconst");
+ }
+ if (MISC(ins, 0)->u.cval <= 0) {
+ internal_error(state, ins, "unlabeled constant");
+ }
+ fprintf(fp, ".int L%s%lu+%lu\n",
state->label_prefix,
MISC(ins, 0)->u.cval,
ins->u.cval);