Some Mips minor fixes
Added support for mips little endian arch => mipsel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51923 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Mips/MipsTargetMachine.cpp b/lib/Target/Mips/MipsTargetMachine.cpp
index 40de5df..b4ca963 100644
--- a/lib/Target/Mips/MipsTargetMachine.cpp
+++ b/lib/Target/Mips/MipsTargetMachine.cpp
@@ -20,7 +20,8 @@
using namespace llvm;
// Register the target.
-static RegisterTarget<MipsTargetMachine> X("mips", " Mips");
+static RegisterTarget<MipsTargetMachine> X("mips", " Mips");
+static RegisterTarget<MipselTargetMachine> Y("mipsel", " Mipsel");
const TargetAsmInfo *MipsTargetMachine::
createTargetAsmInfo() const
@@ -35,11 +36,13 @@
// offset from the stack/frame pointer, so StackGrowsUp is used.
// When using CodeModel::Large the behaviour
//
-//
MipsTargetMachine::
-MipsTargetMachine(const Module &M, const std::string &FS):
- Subtarget(*this, M, FS), DataLayout("E-p:32:32:32"),
- InstrInfo(*this), FrameInfo(TargetFrameInfo::StackGrowsUp, 8, 0),
+MipsTargetMachine(const Module &M, const std::string &FS, bool isLittle=false):
+ Subtarget(*this, M, FS, isLittle),
+ DataLayout(isLittle ? std::string("e-p:32:32:32") :
+ std::string("E-p:32:32:32")),
+ InstrInfo(*this),
+ FrameInfo(TargetFrameInfo::StackGrowsUp, 8, 0),
TLInfo(*this)
{
if (getRelocationModel() != Reloc::Static)
@@ -48,6 +51,10 @@
setCodeModel(CodeModel::Small);
}
+MipselTargetMachine::
+MipselTargetMachine(const Module &M, const std::string &FS) :
+ MipsTargetMachine(M, FS, true) {}
+
// return 0 and must specify -march to gen MIPS code.
unsigned MipsTargetMachine::
getModuleMatchQuality(const Module &M)
@@ -60,6 +67,18 @@
return 0;
}
+// return 0 and must specify -march to gen MIPSel code.
+unsigned MipselTargetMachine::
+getModuleMatchQuality(const Module &M)
+{
+ // We strongly match "mipsel-*".
+ std::string TT = M.getTargetTriple();
+ if (TT.size() >= 7 && std::string(TT.begin(), TT.begin()+7) == "mipsel-")
+ return 20;
+
+ return 0;
+}
+
// Install an instruction selector pass using
// the ISelDag to gen Mips code.
bool MipsTargetMachine::