Author: Timm Bäder Date: 2023-07-28T10:55:34+02:00 New Revision: 57ca62d5d35a424722059f42da4a6c75fbba2eb0
URL: https://github.com/llvm/llvm-project/commit/57ca62d5d35a424722059f42da4a6c75fbba2eb0 DIFF: https://github.com/llvm/llvm-project/commit/57ca62d5d35a424722059f42da4a6c75fbba2eb0.diff LOG: [clang][Interp] Implement __builtin_copysign Differential Revision: https://reviews.llvm.org/D155368 Added: Modified: clang/lib/AST/Interp/InterpBuiltin.cpp Removed: ################################################################################ diff --git a/clang/lib/AST/Interp/InterpBuiltin.cpp b/clang/lib/AST/Interp/InterpBuiltin.cpp index 7d8ca716cc8025..e4c0091452e399 100644 --- a/clang/lib/AST/Interp/InterpBuiltin.cpp +++ b/clang/lib/AST/Interp/InterpBuiltin.cpp @@ -130,6 +130,19 @@ static bool interp__builtin_inf(InterpState &S, CodePtr OpPC, 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 @@ bool InterpretBuiltin(InterpState &S, CodePtr OpPC, const Function *F) { 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; _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
