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| author | dim <dim@FreeBSD.org> | 2014-05-26 20:45:44 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2014-05-26 20:45:44 +0000 |
| commit | a3e27ae6a965c81405d106372cb1f9d3a6da6626 (patch) | |
| tree | a889320dbbd323fb029d54cc5ef8a03ca448a203 /contrib/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp | |
| parent | 0c09b104cdf0b55f5402b37cb18a67d0480c6a5f (diff) | |
| download | FreeBSD-src-a3e27ae6a965c81405d106372cb1f9d3a6da6626.zip FreeBSD-src-a3e27ae6a965c81405d106372cb1f9d3a6da6626.tar.gz | |
MFC r265925:
Upgrade our copy of llvm/clang to 3.4.1 release. This release contains
mostly fixes, for the following upstream bugs:
http://llvm.org/PR16365 http://llvm.org/PR17473 http://llvm.org/PR18000
http://llvm.org/PR18068 http://llvm.org/PR18102 http://llvm.org/PR18165
http://llvm.org/PR18260 http://llvm.org/PR18290 http://llvm.org/PR18316
http://llvm.org/PR18460 http://llvm.org/PR18473 http://llvm.org/PR18515
http://llvm.org/PR18526 http://llvm.org/PR18600 http://llvm.org/PR18762
http://llvm.org/PR18773 http://llvm.org/PR18860 http://llvm.org/PR18994
http://llvm.org/PR19007 http://llvm.org/PR19010 http://llvm.org/PR19033
http://llvm.org/PR19059 http://llvm.org/PR19144 http://llvm.org/PR19326
Diffstat (limited to 'contrib/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp')
| -rw-r--r-- | contrib/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/contrib/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp b/contrib/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp index 9acefe5..d6767d5 100644 --- a/contrib/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp +++ b/contrib/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp @@ -33,6 +33,43 @@ extern "C" void LLVMInitializePowerPCTarget() { RegisterTargetMachine<PPC64TargetMachine> C(ThePPC64LETarget); } +/// Return the datalayout string of a subtarget. +static std::string getDataLayoutString(const PPCSubtarget &ST) { + const Triple &T = ST.getTargetTriple(); + + // PPC is big endian + std::string Ret = "E"; + + // PPC64 has 64 bit pointers, PPC32 has 32 bit pointers. + if (ST.isPPC64()) + Ret += "-p:64:64"; + else + Ret += "-p:32:32"; + + // Note, the alignment values for f64 and i64 on ppc64 in Darwin + // documentation are wrong; these are correct (i.e. "what gcc does"). + if (ST.isPPC64() || ST.isSVR4ABI()) + Ret += "-f64:64:64-i64:64:64"; + else + Ret += "-f64:32:64"; + + // Set support for 128 floats depending on the ABI. + if (!ST.isPPC64() && ST.isSVR4ABI()) + Ret += "-f128:64:128"; + + // Some ABIs support 128 bit vectors. + if (ST.isPPC64() && ST.isSVR4ABI()) + Ret += "-v128:128:128"; + + // PPC64 has 32 and 64 bit register, PPC32 has only 32 bit ones. + if (ST.isPPC64()) + Ret += "-n32:64"; + else + Ret += "-n32"; + + return Ret; +} + PPCTargetMachine::PPCTargetMachine(const Target &T, StringRef TT, StringRef CPU, StringRef FS, const TargetOptions &Options, @@ -41,7 +78,7 @@ PPCTargetMachine::PPCTargetMachine(const Target &T, StringRef TT, bool is64Bit) : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL), Subtarget(TT, CPU, FS, is64Bit), - DL(Subtarget.getDataLayoutString()), InstrInfo(*this), + DL(getDataLayoutString(Subtarget)), InstrInfo(*this), FrameLowering(Subtarget), JITInfo(*this, is64Bit), TLInfo(*this), TSInfo(*this), InstrItins(Subtarget.getInstrItineraryData()) { |
