Define SPARC code models.
Currently, only abs32 and pic32 are implemented. Add a test case for
abs32 with 64-bit code. 64-bit PIC code is currently broken.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179463 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Sparc/MCTargetDesc/SparcMCTargetDesc.cpp b/lib/Target/Sparc/MCTargetDesc/SparcMCTargetDesc.cpp
index 7fdb0c3..1c64e1b 100644
--- a/lib/Target/Sparc/MCTargetDesc/SparcMCTargetDesc.cpp
+++ b/lib/Target/Sparc/MCTargetDesc/SparcMCTargetDesc.cpp
@@ -50,14 +50,42 @@
return X;
}
+// Code models. Some only make sense for 64-bit code.
+//
+// SunCC Reloc CodeModel Constraints
+// abs32 Static Small text+data+bss linked below 2^32 bytes
+// abs44 Static Medium text+data+bss linked below 2^44 bytes
+// abs64 Static Large text smaller than 2^31 bytes
+// pic13 PIC_ Small GOT < 2^13 bytes
+// pic32 PIC_ Medium GOT < 2^32 bytes
+//
+// All code models require that the text segment is smaller than 2GB.
+
static MCCodeGenInfo *createSparcMCCodeGenInfo(StringRef TT, Reloc::Model RM,
CodeModel::Model CM,
CodeGenOpt::Level OL) {
MCCodeGenInfo *X = new MCCodeGenInfo();
+
+ // The default 32-bit code model is abs32/pic32.
+ if (CM == CodeModel::Default)
+ CM = RM == Reloc::PIC_ ? CodeModel::Medium : CodeModel::Small;
+
X->InitMCCodeGenInfo(RM, CM, OL);
return X;
}
+static MCCodeGenInfo *createSparcV9MCCodeGenInfo(StringRef TT, Reloc::Model RM,
+ CodeModel::Model CM,
+ CodeGenOpt::Level OL) {
+ MCCodeGenInfo *X = new MCCodeGenInfo();
+
+ // The default 64-bit code model is abs44/pic32.
+ if (CM == CodeModel::Default)
+ CM = CodeModel::Medium;
+
+ X->InitMCCodeGenInfo(RM, CM, OL);
+ return X;
+}
extern "C" void LLVMInitializeSparcTargetMC() {
// Register the MC asm info.
RegisterMCAsmInfo<SparcELFMCAsmInfo> X(TheSparcTarget);
@@ -67,7 +95,7 @@
TargetRegistry::RegisterMCCodeGenInfo(TheSparcTarget,
createSparcMCCodeGenInfo);
TargetRegistry::RegisterMCCodeGenInfo(TheSparcV9Target,
- createSparcMCCodeGenInfo);
+ createSparcV9MCCodeGenInfo);
// Register the MC instruction info.
TargetRegistry::RegisterMCInstrInfo(TheSparcTarget, createSparcMCInstrInfo);
diff --git a/lib/Target/Sparc/SparcISelLowering.cpp b/lib/Target/Sparc/SparcISelLowering.cpp
index ca697d3..b985678 100644
--- a/lib/Target/Sparc/SparcISelLowering.cpp
+++ b/lib/Target/Sparc/SparcISelLowering.cpp
@@ -1167,9 +1167,9 @@
setTruncStoreAction(MVT::f64, MVT::f32, Expand);
// Custom legalize GlobalAddress nodes into LO/HI parts.
- setOperationAction(ISD::GlobalAddress, MVT::i32, Custom);
- setOperationAction(ISD::GlobalTLSAddress, MVT::i32, Custom);
- setOperationAction(ISD::ConstantPool , MVT::i32, Custom);
+ setOperationAction(ISD::GlobalAddress, getPointerTy(), Custom);
+ setOperationAction(ISD::GlobalTLSAddress, getPointerTy(), Custom);
+ setOperationAction(ISD::ConstantPool, getPointerTy(), Custom);
// Sparc doesn't have sext_inreg, replace them with shl/sra
setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i16, Expand);