[Mips] Define __mips_fpr and _MIPS_FPSET macros.

llvm-svn: 192969

2 files changed, 49 insertions, 1 deletions

diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp
index a17bb03c861..2f90e98a391 100644
--- a/clang/lib/Basic/Targets.cpp
+++ b/clang/lib/Basic/Targets.cpp
@@ -4745,6 +4745,7 @@ class MipsTargetInfoBase : public TargetInfo {
     NoDSP, DSP1, DSP2
   } DspRev;
   bool HasMSA;
+  bool HasFP64;
 
 protected:
   std::string ABI;
@@ -4754,7 +4755,7 @@ public:
                      const std::string &CPUStr)
       : TargetInfo(Triple), CPU(CPUStr), IsMips16(false), IsMicromips(false),
         IsNan2008(false), IsSingleFloat(false), FloatABI(HardFloat),
-        DspRev(NoDSP), HasMSA(false), ABI(ABIStr) {}
+        DspRev(NoDSP), HasMSA(false), HasFP64(false), ABI(ABIStr) {}
 
   virtual const char *getABI() const { return ABI.c_str(); }
   virtual bool setABI(const std::string &Name) = 0;
@@ -4785,6 +4786,10 @@ public:
     if (IsSingleFloat)
       Builder.defineMacro("__mips_single_float", Twine(1));
 
+    Builder.defineMacro("__mips_fpr", HasFP64 ? Twine(64) : Twine(32));
+    Builder.defineMacro("_MIPS_FPSET",
+                        Twine(32 / (HasFP64 || IsSingleFloat ? 1 : 2)));
+
     if (IsMips16)
       Builder.defineMacro("__mips16", Twine(1));
 
@@ -4887,6 +4892,7 @@ public:
     IsSingleFloat = false;
     FloatABI = HardFloat;
     DspRev = NoDSP;
+    HasFP64 = ABI == "n32" || ABI == "n64" || ABI == "64";
 
     for (std::vector<std::string>::iterator it = Features.begin(),
          ie = Features.end(); it != ie; ++it) {
@@ -4904,6 +4910,10 @@ public:
         DspRev = std::max(DspRev, DSP2);
       else if (*it == "+msa")
         HasMSA = true;
+      else if (*it == "+fp64")
+        HasFP64 = true;
+      else if (*it == "-fp64")
+        HasFP64 = false;
       else if (*it == "+nan2008")
         IsNan2008 = true;
     }
diff --git a/clang/test/Preprocessor/init.c b/clang/test/Preprocessor/init.c
index ce7ee09abe1..13247337869 100644
--- a/clang/test/Preprocessor/init.c
+++ b/clang/test/Preprocessor/init.c
@@ -717,6 +717,7 @@
 // MIPS32BE:#define _MIPSEB 1
 // MIPS32BE:#define _MIPS_ARCH "mips32"
 // MIPS32BE:#define _MIPS_ARCH_MIPS32 1
+// MIPS32BE:#define _MIPS_FPSET 16
 // MIPS32BE:#define _MIPS_SIM _ABIO32
 // MIPS32BE:#define _MIPS_SZINT 32
 // MIPS32BE:#define _MIPS_SZLONG 32
@@ -821,6 +822,7 @@
 // MIPS32BE:#define __llvm__ 1
 // MIPS32BE:#define __mips 1
 // MIPS32BE:#define __mips__ 1
+// MIPS32BE:#define __mips_fpr 32
 // MIPS32BE:#define __mips_hard_float 1
 // MIPS32BE:#define __mips_o32 1
 // MIPS32BE:#define _mips 1
@@ -834,6 +836,7 @@
 // MIPS32EL:#define _MIPSEL 1
 // MIPS32EL:#define _MIPS_ARCH "mips32"
 // MIPS32EL:#define _MIPS_ARCH_MIPS32 1
+// MIPS32EL:#define _MIPS_FPSET 16
 // MIPS32EL:#define _MIPS_SIM _ABIO32
 // MIPS32EL:#define _MIPS_SZINT 32
 // MIPS32EL:#define _MIPS_SZLONG 32
@@ -935,6 +938,7 @@
 // MIPS32EL:#define __llvm__ 1
 // MIPS32EL:#define __mips 1
 // MIPS32EL:#define __mips__ 1
+// MIPS32EL:#define __mips_fpr 32
 // MIPS32EL:#define __mips_hard_float 1
 // MIPS32EL:#define __mips_o32 1
 // MIPS32EL:#define _mips 1
@@ -948,6 +952,7 @@
 // MIPS64BE:#define _MIPSEB 1
 // MIPS64BE:#define _MIPS_ARCH "mips64"
 // MIPS64BE:#define _MIPS_ARCH_MIPS64 1
+// MIPS64BE:#define _MIPS_FPSET 32
 // MIPS64BE:#define _MIPS_SIM _ABI64
 // MIPS64BE:#define _MIPS_SZINT 32
 // MIPS64BE:#define _MIPS_SZLONG 64
@@ -1051,6 +1056,7 @@
 // MIPS64BE:#define __mips64 1
 // MIPS64BE:#define __mips64__ 1
 // MIPS64BE:#define __mips__ 1
+// MIPS64BE:#define __mips_fpr 64
 // MIPS64BE:#define __mips_hard_float 1
 // MIPS64BE:#define __mips_n64 1
 // MIPS64BE:#define _mips 1
@@ -1064,6 +1070,7 @@
 // MIPS64EL:#define _MIPSEL 1
 // MIPS64EL:#define _MIPS_ARCH "mips64"
 // MIPS64EL:#define _MIPS_ARCH_MIPS64 1
+// MIPS64EL:#define _MIPS_FPSET 32
 // MIPS64EL:#define _MIPS_SIM _ABI64
 // MIPS64EL:#define _MIPS_SZINT 32
 // MIPS64EL:#define _MIPS_SZLONG 64
@@ -1167,6 +1174,7 @@
 // MIPS64EL:#define __mips64 1
 // MIPS64EL:#define __mips64__ 1
 // MIPS64EL:#define __mips__ 1
+// MIPS64EL:#define __mips_fpr 64
 // MIPS64EL:#define __mips_hard_float 1
 // MIPS64EL:#define __mips_n64 1
 // MIPS64EL:#define _mips 1
@@ -1242,6 +1250,36 @@
 // RUN:   | FileCheck -check-prefix MIPS-NAN2008 %s
 // MIPS-NAN2008:#define __mips_nan2008 1
 //
+// RUN: %clang_cc1 -target-feature -fp64 \
+// RUN:   -E -dM -triple=mips-none-none < /dev/null \
+// RUN:   | FileCheck -check-prefix MIPS32-MFP32 %s
+// MIPS32-MFP32:#define _MIPS_FPSET 16
+// MIPS32-MFP32:#define __mips_fpr 32
+//
+// RUN: %clang_cc1 -target-feature +fp64 \
+// RUN:   -E -dM -triple=mips-none-none < /dev/null \
+// RUN:   | FileCheck -check-prefix MIPS32-MFP64 %s
+// MIPS32-MFP64:#define _MIPS_FPSET 32
+// MIPS32-MFP64:#define __mips_fpr 64
+//
+// RUN: %clang_cc1 -target-feature +single-float \
+// RUN:   -E -dM -triple=mips-none-none < /dev/null \
+// RUN:   | FileCheck -check-prefix MIPS32-MFP32SF %s
+// MIPS32-MFP32SF:#define _MIPS_FPSET 32
+// MIPS32-MFP32SF:#define __mips_fpr 32
+//
+// RUN: %clang_cc1 -target-feature +fp64 \
+// RUN:   -E -dM -triple=mips64-none-none < /dev/null \
+// RUN:   | FileCheck -check-prefix MIPS64-MFP64 %s
+// MIPS64-MFP64:#define _MIPS_FPSET 32
+// MIPS64-MFP64:#define __mips_fpr 64
+//
+// RUN: %clang_cc1 -target-feature -fp64 -target-feature +single-float \
+// RUN:   -E -dM -triple=mips64-none-none < /dev/null \
+// RUN:   | FileCheck -check-prefix MIPS64-NOMFP64 %s
+// MIPS64-NOMFP64:#define _MIPS_FPSET 32
+// MIPS64-NOMFP64:#define __mips_fpr 32
+//
 // RUN: %clang_cc1 -E -dM -ffreestanding -triple=msp430-none-none < /dev/null | FileCheck -check-prefix MSP430 %s
 //
 // MSP430:#define MSP430 1