s.egerton created this revision. s.egerton added reviewers: asb, simoncook, lewis-revill, PaoloS, lenary. Herald added subscribers: cfe-commits, luismarques, apazos, sameer.abuasal, pzheng, benna, psnobl, jocewei, PkmX, rkruppe, the_o, brucehoult, MartinMosbeck, rogfer01, edward-jones, zzheng, MaskRay, jrtc27, shiva0217, kito-cheng, niosHD, sabuasal, johnrusso, rbar. Herald added a project: clang.
This adds the __riscv_bitmanip macro and the 'b' target feature to enable it. Repository: rG LLVM Github Monorepo https://reviews.llvm.org/D71553 Files: clang/lib/Basic/Targets/RISCV.cpp clang/lib/Basic/Targets/RISCV.h clang/lib/Driver/ToolChains/Arch/RISCV.cpp Index: clang/lib/Driver/ToolChains/Arch/RISCV.cpp =================================================================== --- clang/lib/Driver/ToolChains/Arch/RISCV.cpp +++ clang/lib/Driver/ToolChains/Arch/RISCV.cpp @@ -331,6 +331,9 @@ case 'c': Features.push_back("+c"); break; + case 'b': + Features.push_back("+b"); + break; } } Index: clang/lib/Basic/Targets/RISCV.h =================================================================== --- clang/lib/Basic/Targets/RISCV.h +++ clang/lib/Basic/Targets/RISCV.h @@ -30,11 +30,12 @@ bool HasF; bool HasD; bool HasC; + bool HasB; public: RISCVTargetInfo(const llvm::Triple &Triple, const TargetOptions &) : TargetInfo(Triple), HasM(false), HasA(false), HasF(false), - HasD(false), HasC(false) { + HasD(false), HasC(false), HasB(false) { LongDoubleWidth = 128; LongDoubleAlign = 128; LongDoubleFormat = &llvm::APFloat::IEEEquad(); Index: clang/lib/Basic/Targets/RISCV.cpp =================================================================== --- clang/lib/Basic/Targets/RISCV.cpp +++ clang/lib/Basic/Targets/RISCV.cpp @@ -125,6 +125,10 @@ if (HasC) Builder.defineMacro("__riscv_compressed"); + + if (HasB) { + Builder.defineMacro("__riscv_bitmanip"); + } } /// Return true if has this feature, need to sync with handleTargetFeatures. @@ -139,6 +143,7 @@ .Case("f", HasF) .Case("d", HasD) .Case("c", HasC) + .Case("b", HasB) .Default(false); } @@ -156,6 +161,8 @@ HasD = true; else if (Feature == "+c") HasC = true; + else if (Feature == "+b") + HasB = true; } return true;
Index: clang/lib/Driver/ToolChains/Arch/RISCV.cpp =================================================================== --- clang/lib/Driver/ToolChains/Arch/RISCV.cpp +++ clang/lib/Driver/ToolChains/Arch/RISCV.cpp @@ -331,6 +331,9 @@ case 'c': Features.push_back("+c"); break; + case 'b': + Features.push_back("+b"); + break; } } Index: clang/lib/Basic/Targets/RISCV.h =================================================================== --- clang/lib/Basic/Targets/RISCV.h +++ clang/lib/Basic/Targets/RISCV.h @@ -30,11 +30,12 @@ bool HasF; bool HasD; bool HasC; + bool HasB; public: RISCVTargetInfo(const llvm::Triple &Triple, const TargetOptions &) : TargetInfo(Triple), HasM(false), HasA(false), HasF(false), - HasD(false), HasC(false) { + HasD(false), HasC(false), HasB(false) { LongDoubleWidth = 128; LongDoubleAlign = 128; LongDoubleFormat = &llvm::APFloat::IEEEquad(); Index: clang/lib/Basic/Targets/RISCV.cpp =================================================================== --- clang/lib/Basic/Targets/RISCV.cpp +++ clang/lib/Basic/Targets/RISCV.cpp @@ -125,6 +125,10 @@ if (HasC) Builder.defineMacro("__riscv_compressed"); + + if (HasB) { + Builder.defineMacro("__riscv_bitmanip"); + } } /// Return true if has this feature, need to sync with handleTargetFeatures. @@ -139,6 +143,7 @@ .Case("f", HasF) .Case("d", HasD) .Case("c", HasC) + .Case("b", HasB) .Default(false); } @@ -156,6 +161,8 @@ HasD = true; else if (Feature == "+c") HasC = true; + else if (Feature == "+b") + HasB = true; } return true;
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