Commit 5e953a27 authored by Hsiangkai Wang's avatar Hsiangkai Wang
Browse files

[RISCV] Define preprocessor definitions for 'V' extension. 

Differential Revision: https://reviews.llvm.org/D92650
parent db226cdf

clang/lib/Basic/Targets/RISCV.cpp

+6 −0
Original line number Diff line number Diff line
@@ -136,6 +136,9 @@ void RISCVTargetInfo::getTargetDefines(const LangOptions &Opts, 
  if (HasB)

    Builder.defineMacro("__riscv_bitmanip");



  if (HasV)

    Builder.defineMacro("__riscv_vector");



  if (HasZfh)

    Builder.defineMacro("__riscv_zfh");

}
@@ -153,6 +156,7 @@ bool RISCVTargetInfo::hasFeature(StringRef Feature) const { 
      .Case("d", HasD)

      .Case("c", HasC)

      .Case("experimental-b", HasB)

      .Case("experimental-v", HasV)

      .Case("experimental-zfh", HasZfh)

      .Default(false);

}
@@ -173,6 +177,8 @@ bool RISCVTargetInfo::handleTargetFeatures(std::vector<std::string> &Features, 
      HasC = true;

    else if (Feature == "+experimental-b")

      HasB = true;

    else if (Feature == "+experimental-v")

      HasV = true;

    else if (Feature == "+experimental-zfh")

      HasZfh = true;

  }

clang/lib/Basic/Targets/RISCV.h

+2 −1
Original line number Diff line number Diff line
@@ -31,12 +31,13 @@ protected: 
  bool HasD;

  bool HasC;

  bool HasB;

  bool HasV;

  bool HasZfh;



public:

  RISCVTargetInfo(const llvm::Triple &Triple, const TargetOptions &)

      : TargetInfo(Triple), HasM(false), HasA(false), HasF(false), HasD(false),

        HasC(false), HasB(false), HasZfh(false) {

        HasC(false), HasB(false), HasV(false), HasZfh(false) {

    LongDoubleWidth = 128;

    LongDoubleAlign = 128;

    LongDoubleFormat = &llvm::APFloat::IEEEquad();

clang/test/Preprocessor/riscv-target-features.c

+8 −0
Original line number Diff line number Diff line
@@ -79,6 +79,14 @@ 
// CHECK-DOUBLE-NOT: __riscv_float_abi_soft

// CHECK-DOUBLE-NOT: __riscv_float_abi_single



// RUN: %clang -target riscv32-unknown-linux-gnu -menable-experimental-extensions \

// RUN:   -march=rv32iv0p9 -x c -E -dM %s \

// RUN:   -o - | FileCheck --check-prefix=CHECK-V-EXT %s

// RUN: %clang -target riscv64-unknown-linux-gnu -menable-experimental-extensions \

// RUN:   -march=rv64iv0p9 -x c -E -dM %s \

// RUN:   -o - | FileCheck --check-prefix=CHECK-V-EXT %s

// CHECK-V-EXT: __riscv_vector 1

//

// RUN: %clang -target riscv32-unknown-linux-gnu -menable-experimental-extensions -march=rv32izfh0p1 -x c -E -dM %s \

// RUN: -o - | FileCheck --check-prefix=CHECK-ZFH-EXT %s

// RUN: %clang -target riscv64-unknown-linux-gnu -menable-experimental-extensions -march=rv64izfh0p1 -x c -E -dM %s \