This revision was landed with ongoing or failed builds. This revision was automatically updated to reflect the committed changes. Closed by commit rG57ca62d5d35a: [clang][Interp] Implement __builtin_copysign (authored by tbaeder).
Changed prior to commit: https://reviews.llvm.org/D155368?vs=541325&id=545065#toc Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D155368/new/ https://reviews.llvm.org/D155368 Files: clang/lib/AST/Interp/InterpBuiltin.cpp Index: clang/lib/AST/Interp/InterpBuiltin.cpp =================================================================== --- clang/lib/AST/Interp/InterpBuiltin.cpp +++ clang/lib/AST/Interp/InterpBuiltin.cpp @@ -130,6 +130,19 @@ return true; } +static bool interp__builtin_copysign(InterpState &S, CodePtr OpPC, + const InterpFrame *Frame, + const Function *F) { + const Floating &Arg1 = getParam<Floating>(Frame, 0); + const Floating &Arg2 = getParam<Floating>(Frame, 1); + + APFloat Copy = Arg1.getAPFloat(); + Copy.copySign(Arg2.getAPFloat()); + S.Stk.push<Floating>(Floating(Copy)); + + return true; +} + bool InterpretBuiltin(InterpState &S, CodePtr OpPC, const Function *F) { InterpFrame *Frame = S.Current; APValue Dummy; @@ -174,6 +187,13 @@ if (interp__builtin_inf(S, OpPC, Frame, F)) return Ret<PT_Float>(S, OpPC, Dummy); break; + case Builtin::BI__builtin_copysign: + case Builtin::BI__builtin_copysignf: + case Builtin::BI__builtin_copysignl: + case Builtin::BI__builtin_copysignf128: + if (interp__builtin_copysign(S, OpPC, Frame, F)) + return Ret<PT_Float>(S, OpPC, Dummy); + break; default: return false;
Index: clang/lib/AST/Interp/InterpBuiltin.cpp =================================================================== --- clang/lib/AST/Interp/InterpBuiltin.cpp +++ clang/lib/AST/Interp/InterpBuiltin.cpp @@ -130,6 +130,19 @@ return true; } +static bool interp__builtin_copysign(InterpState &S, CodePtr OpPC, + const InterpFrame *Frame, + const Function *F) { + const Floating &Arg1 = getParam<Floating>(Frame, 0); + const Floating &Arg2 = getParam<Floating>(Frame, 1); + + APFloat Copy = Arg1.getAPFloat(); + Copy.copySign(Arg2.getAPFloat()); + S.Stk.push<Floating>(Floating(Copy)); + + return true; +} + bool InterpretBuiltin(InterpState &S, CodePtr OpPC, const Function *F) { InterpFrame *Frame = S.Current; APValue Dummy; @@ -174,6 +187,13 @@ if (interp__builtin_inf(S, OpPC, Frame, F)) return Ret<PT_Float>(S, OpPC, Dummy); break; + case Builtin::BI__builtin_copysign: + case Builtin::BI__builtin_copysignf: + case Builtin::BI__builtin_copysignl: + case Builtin::BI__builtin_copysignf128: + if (interp__builtin_copysign(S, OpPC, Frame, F)) + return Ret<PT_Float>(S, OpPC, Dummy); + break; default: return false;
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