diff options
Diffstat (limited to 'util/romcc/romcc.c')
| -rw-r--r-- | util/romcc/romcc.c | 40 |
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); |