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| author | Anton Korobeynikov <asl@math.spbu.ru> | 2007-01-17 10:33:08 +0000 |
|---|---|---|
| committer | Anton Korobeynikov <asl@math.spbu.ru> | 2007-01-17 10:33:08 +0000 |
| commit | 5032e5a61381437174e035de2a7dd728978f7bd5 (patch) | |
| tree | d3490b98b33a202ee2b2a399692d9c7b169ac1c8 /lib/Target/TargetMachine.cpp | |
| parent | e911615c4769d793588087b5321d303ecb9661c7 (diff) | |
* Fix one more bug in PIC codegen: extra load is needed for *all*
non-statics.
* Introduce new option to output zero-initialized data to .bss section.
This can reduce size of binaries. Enable it by default for ELF &
Cygwin/Mingw targets. Probably, Darwin should be also added.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33299 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/TargetMachine.cpp')
| -rw-r--r-- | lib/Target/TargetMachine.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Target/TargetMachine.cpp b/lib/Target/TargetMachine.cpp index 7547614a71..f6b3fd09f0 100644 --- a/lib/Target/TargetMachine.cpp +++ b/lib/Target/TargetMachine.cpp @@ -28,6 +28,7 @@ namespace llvm { bool UnsafeFPMath; bool FiniteOnlyFPMathOption; bool UseSoftFloat; + bool NoZerosInBSS; Reloc::Model RelocationModel; CodeModel::Model CMModel; } @@ -61,6 +62,11 @@ namespace { cl::desc("Generate software floating point library calls"), cl::location(UseSoftFloat), cl::init(false)); + cl::opt<bool, true> + DontPlaceZerosInBSS("nozero-initialized-in-bss", + cl::desc("Don't place zero-initialized symbols into bss section"), + cl::location(NoZerosInBSS), + cl::init(false)); cl::opt<llvm::Reloc::Model, true> DefRelocationModel( |