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| author | Akira Hatanaka <ahatanaka@mips.com> | 2012-08-22 03:18:13 +0000 |
|---|---|---|
| committer | Akira Hatanaka <ahatanaka@mips.com> | 2012-08-22 03:18:13 +0000 |
| commit | e7338cd550a4ccde6796d2987b482ea9f0e239ef (patch) | |
| tree | 8a7a5d4c5768e1389c53c38dbf0db39827c1c50d /lib/Target/Mips/MipsSubtarget.cpp | |
| parent | 6522a9e04bcfa447299f4fd10ee9afffd5834a47 (diff) | |
| download | llvm-e7338cd550a4ccde6796d2987b482ea9f0e239ef.tar.gz llvm-e7338cd550a4ccde6796d2987b482ea9f0e239ef.tar.bz2 llvm-e7338cd550a4ccde6796d2987b482ea9f0e239ef.tar.xz | |
Add register Mips::GP to the list of reserved registers if target is bare-metal
to prevent it from being clobbered. mips uses $gp to access small data section.
This bug was originally reported by Carl Norum.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162340 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Mips/MipsSubtarget.cpp')
| -rw-r--r-- | lib/Target/Mips/MipsSubtarget.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/Target/Mips/MipsSubtarget.cpp b/lib/Target/Mips/MipsSubtarget.cpp index 11ff8092af..ac83d839fe 100644 --- a/lib/Target/Mips/MipsSubtarget.cpp +++ b/lib/Target/Mips/MipsSubtarget.cpp @@ -25,7 +25,8 @@ using namespace llvm; void MipsSubtarget::anchor() { } MipsSubtarget::MipsSubtarget(const std::string &TT, const std::string &CPU, - const std::string &FS, bool little) : + const std::string &FS, bool little, + Reloc::Model RM) : MipsGenSubtargetInfo(TT, CPU, FS), MipsArchVersion(Mips32), MipsABI(UnknownABI), IsLittle(little), IsSingleFloat(false), IsFP64bit(false), IsGP64bit(false), HasVFPU(false), @@ -54,6 +55,9 @@ MipsSubtarget::MipsSubtarget(const std::string &TT, const std::string &CPU, // Is the target system Linux ? if (TT.find("linux") == std::string::npos) IsLinux = false; + + // Set UseSmallSection. + UseSmallSection = !IsLinux && (RM == Reloc::Static); } bool |