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MC: Truncate values when printing, to keep 'as' happy.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74201 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar 2009-06-25 21:03:18 +00:00
parent 1e249e3705
commit 304f6a48b1
1 changed files with 13 additions and 3 deletions
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16
lib/MC/MCAsmStreamer.cpp
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@ -61,7 +61,7 @@ namespace {
}
/// Allow printing values directly to a raw_ostream.
inline raw_ostream &operator<<(raw_ostream &os, const MCValue &Value) {
static inline raw_ostream &operator<<(raw_ostream &os, const MCValue &Value) {
if (Value.getSymA()) {
os << Value.getSymA()->getName();
if (Value.getSymB())
@ -76,6 +76,16 @@ inline raw_ostream &operator<<(raw_ostream &os, const MCValue &Value) {
return os;
}
static inline int64_t truncateToSize(int64_t Value, unsigned Bytes) {
assert(Bytes && "Invalid size!");
return Value & ((uint64_t) (int64_t) -1 >> (64 - Bytes * 8));
}
static inline MCValue truncateToSize(const MCValue &Value, unsigned Bytes) {
return MCValue::get(Value.getSymA(), Value.getSymB(),
truncateToSize(Value.getCst(), Bytes));
}
void MCAsmStreamer::SwitchSection(MCSection *Section) {
if (Section != CurSection) {
CurSection = Section;
@ -148,7 +158,7 @@ void MCAsmStreamer::EmitValue(const MCValue &Value, unsigned Size) {
case 8: OS << ".quad"; break;
}
OS << ' ' << Value << '\n';
OS << ' ' << truncateToSize(Value, Size) << '\n';
}
void MCAsmStreamer::EmitValueToAlignment(unsigned ByteAlignment, int64_t Value,
@ -169,7 +179,7 @@ void MCAsmStreamer::EmitValueToAlignment(unsigned ByteAlignment, int64_t Value,
OS << ' ' << Pow2;
OS << ", " << Value;
OS << ", " << truncateToSize(Value, ValueSize);
if (MaxBytesToEmit)
OS << ", " << MaxBytesToEmit;
OS << '\n';