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Fixed a problem with evaluation of the address size

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git-svn-id: svn://svn.cc65.org/cc65/trunk@3621 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz 2005-09-02 20:32:09 +00:00
parent 78c5e6fcee
commit 142c131f06
1 changed files with 16 additions and 20 deletions
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36
src/ca65/studyexpr.c
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@ -1378,34 +1378,30 @@ void StudyExpr (ExprNode* Expr, ExprDesc* D)
*/
if (ED_IsValid (D)) {
unsigned char AddrSize;
if (D->SymCount == 1 && D->SecCount == 0) {
/* Exactly one symbol. Assume that the expression has the size of
* the symbol, provided that this size is known.
*/
const SymEntry* Sym = D->SymRef[0].Ref;
AddrSize = GetSymAddrSize (Sym);
if (AddrSize != ADDR_SIZE_DEFAULT) {
D->AddrSize = AddrSize;
} else {
AddrSize = GetConstAddrSize (D->Val);
/* If there are symbols or sections, use the largest one. If the
* expression resolves to a const, use the address size of the value.
*/
if (D->SymCount > 0 || D->SecCount > 0) {
D->AddrSize = ADDR_SIZE_DEFAULT;
for (I = 0; I < D->SymCount; ++I) {
const SymEntry* Sym = D->SymRef[I].Ref;
AddrSize = GetSymAddrSize (Sym);
if (AddrSize > D->AddrSize) {
D->AddrSize = AddrSize;
}
}
} else if (D->SymCount == 0 && D->SecCount == 1) {
/* Exactly one segment reference (segment+offset). In this case,
* the expression has the address size of the segment.
*/
unsigned SegNum = D->SecRef[0].Ref;
AddrSize = GetSegAddrSize (SegNum);
if (AddrSize != ADDR_SIZE_DEFAULT) {
D->AddrSize = AddrSize;
} else {
AddrSize = GetConstAddrSize (D->Val);
for (I = 0; I < D->SecCount; ++I) {
unsigned SegNum = D->SecRef[0].Ref;
AddrSize = GetSegAddrSize (SegNum);
if (AddrSize > D->AddrSize) {
D->AddrSize = AddrSize;
}
}
} else {
AddrSize = GetConstAddrSize (D->Val);
if (AddrSize > D->AddrSize) {