diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/Mips/MipsTargetObjectFile.cpp | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/llvm/lib/Target/Mips/MipsTargetObjectFile.cpp b/llvm/lib/Target/Mips/MipsTargetObjectFile.cpp index 4d73c399103..3bf32e81d57 100644 --- a/llvm/lib/Target/Mips/MipsTargetObjectFile.cpp +++ b/llvm/lib/Target/Mips/MipsTargetObjectFile.cpp @@ -36,6 +36,12 @@ ExternSData("mextern-sdata", cl::Hidden, "current object."), cl::init(true)); +static cl::opt<bool> +EmbeddedData("membedded-data", cl::Hidden, + cl::desc("MIPS: Try to allocate variables in the following" + " sections if possible: .rodata, .sdata, .data ."), + cl::init(false)); + void MipsTargetObjectFile::Initialize(MCContext &Ctx, const TargetMachine &TM){ TargetLoweringObjectFileELF::Initialize(Ctx, TM); InitializeELF(TM.Options.UseInitArray); @@ -77,8 +83,9 @@ bool MipsTargetObjectFile::IsGlobalInSmallSection( bool MipsTargetObjectFile:: IsGlobalInSmallSection(const GlobalObject *GO, const TargetMachine &TM, SectionKind Kind) const { - return (IsGlobalInSmallSectionImpl(GO, TM) && - (Kind.isData() || Kind.isBSS() || Kind.isCommon())); + return IsGlobalInSmallSectionImpl(GO, TM) && + (Kind.isData() || Kind.isBSS() || Kind.isCommon() || + Kind.isReadOnly()); } /// Return true if this global address should be placed into small data/bss @@ -108,6 +115,10 @@ IsGlobalInSmallSectionImpl(const GlobalObject *GO, GVA->hasCommonLinkage())) return false; + // Enforce -membedded-data. + if (EmbeddedData && GVA->isConstant()) + return false; + Type *Ty = GVA->getValueType(); return IsInSmallSection( GVA->getParent()->getDataLayout().getTypeAllocSize(Ty)); @@ -123,6 +134,8 @@ MCSection *MipsTargetObjectFile::SelectSectionForGlobal( return SmallBSSSection; if (Kind.isData() && IsGlobalInSmallSection(GO, TM, Kind)) return SmallDataSection; + if (Kind.isReadOnly() && IsGlobalInSmallSection(GO, TM, Kind)) + return SmallDataSection; // Otherwise, we work the same as ELF. return TargetLoweringObjectFileELF::SelectSectionForGlobal(GO, Kind, TM); |
