6502/llvm-6502
1
0 Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2026-04-27 04:18:42 +00:00
Code Issues Projects Releases Wiki Activity

Resolve a terrible hack in tblgen: instead of hardcoding

Browse Source 
"In32BitMode" and "In64BitMode" into tblgen, allow any
predicate that inherits from AssemblerPredicate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117831 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner committed 2010-10-30 19:38:20 +00:00
1 parent 693173feef
commit 0f899c78e1
3 files changed
+26 -30
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

utils/TableGen/AsmMatcherEmitter.cpp
+12 -28
View File
@@ -963,27 +963,15 @@ void AsmMatcherInfo::BuildInfo(CodeGenTarget &Target) {
}
// Compute the require features.
ListInit *Predicates = CGI.TheDef->getValueAsListInit("Predicates");
for (unsigned i = 0, e = Predicates->getSize(); i != e; ++i) {
if (DefInit *Pred = dynamic_cast<DefInit*>(Predicates->getElement(i))) {
// Ignore OptForSize and OptForSpeed, they aren't really requirements,
// rather they are hints to isel.
//
// FIXME: Find better way to model this.
if (Pred->getDef()->getName() == "OptForSize" ||
Pred->getDef()->getName() == "OptForSpeed")
continue;
// FIXME: Total hack; for now, we just limit ourselves to In32BitMode
// and In64BitMode, because we aren't going to have the right feature
// masks for SSE and friends. We need to decide what we are going to do
// about CPU subtypes to implement this the right way.
if (Pred->getDef()->getName() != "In32BitMode" &&
Pred->getDef()->getName() != "In64BitMode")
continue;
II->RequiredFeatures.push_back(getSubtargetFeature(Pred->getDef()));
}
std::vector<Record*> Predicates =
CGI.TheDef->getValueAsListOfDefs("Predicates");
for (unsigned i = 0, e = Predicates.size(); i != e; ++i) {
Record *Pred = Predicates[i];
// Ignore predicates that are not intended for the assembler.
if (!Pred->getValueAsBit("AssemblerMatcherPredicate"))
continue;
II->RequiredFeatures.push_back(getSubtargetFeature(Pred));
}
Instructions.push_back(II.take());
@@ -1523,14 +1511,10 @@ static std::string GetAliasRequiredFeatures(Record *R) {
for (unsigned i = 0, e = ReqFeatures.size(); i != e; ++i) {
Record *Pred = ReqFeatures[i];
// FIXME: Total hack; for now, we just limit ourselves to In32BitMode
// and In64BitMode, because we aren't going to have the right feature
// masks for SSE and friends. We need to decide what we are going to do
// about CPU subtypes to implement this the right way.
if (Pred->getName() != "In32BitMode" &&
Pred->getName() != "In64BitMode")
// Ignore predicates that are not intended for the assembler.
if (!Pred->getValueAsBit("AssemblerMatcherPredicate"))
continue;
if (NumFeatures)
Result += '|';