diff options
| author | Petar Jovanovic <petar.jovanovic@imgtec.com> | 2017-06-07 17:17:57 +0000 |
|---|---|---|
| committer | Petar Jovanovic <petar.jovanovic@imgtec.com> | 2017-06-07 17:17:57 +0000 |
| commit | efaec8fb6c752ab8eeefd22623d27f74e0686f23 (patch) | |
| tree | 6d950133a551b50de6ebfecca6dfac9b5cdf55fc /lib/Basic/Targets.cpp | |
| parent | 942d6e44a9b0776d249bfe54571e9233e39a804b (diff) | |
[mips] Add runtime options to enable/disable madd.fmt and msub.fmt
Add options to clang: -mmadd4 and -mno-madd4, use it to enable or disable
generation of madd.fmt and similar instructions respectively, as per GCC.
Patch by Stefan Maksimovic.
Differential Revision: https://reviews.llvm.org/D33401
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@304929 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Basic/Targets.cpp')
| -rw-r--r-- | lib/Basic/Targets.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp index 89f192abc0..a3b8330707 100644 --- a/lib/Basic/Targets.cpp +++ b/lib/Basic/Targets.cpp @@ -7737,6 +7737,7 @@ class MipsTargetInfo : public TargetInfo { NoDSP, DSP1, DSP2 } DspRev; bool HasMSA; + bool DisableMadd4; protected: bool HasFP64; @@ -7747,7 +7748,7 @@ public: : TargetInfo(Triple), IsMips16(false), IsMicromips(false), IsNan2008(false), IsSingleFloat(false), IsNoABICalls(false), CanUseBSDABICalls(false), FloatABI(HardFloat), DspRev(NoDSP), - HasMSA(false), HasFP64(false) { + HasMSA(false), DisableMadd4(false), HasFP64(false) { TheCXXABI.set(TargetCXXABI::GenericMIPS); setABI((getTriple().getArch() == llvm::Triple::mips || @@ -7993,6 +7994,9 @@ public: if (HasMSA) Builder.defineMacro("__mips_msa", Twine(1)); + if (DisableMadd4) + Builder.defineMacro("__mips_no_madd4", Twine(1)); + Builder.defineMacro("_MIPS_SZPTR", Twine(getPointerWidth(0))); Builder.defineMacro("_MIPS_SZINT", Twine(getIntWidth())); Builder.defineMacro("_MIPS_SZLONG", Twine(getLongWidth())); @@ -8155,6 +8159,8 @@ public: DspRev = std::max(DspRev, DSP2); else if (Feature == "+msa") HasMSA = true; + else if (Feature == "+nomadd4") + DisableMadd4 = true; else if (Feature == "+fp64") HasFP64 = true; else if (Feature == "-fp64") |