diff options
Diffstat (limited to 'clang/lib/AST/ByteCode/InterpBuiltin.cpp')
| -rw-r--r-- | clang/lib/AST/ByteCode/InterpBuiltin.cpp | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/clang/lib/AST/ByteCode/InterpBuiltin.cpp b/clang/lib/AST/ByteCode/InterpBuiltin.cpp index a0d2c76..0cb4910 100644 --- a/clang/lib/AST/ByteCode/InterpBuiltin.cpp +++ b/clang/lib/AST/ByteCode/InterpBuiltin.cpp @@ -23,7 +23,7 @@ namespace clang { namespace interp { -LLVM_ATTRIBUTE_UNUSED static bool isNoopBuiltin(unsigned ID) { +[[maybe_unused]] static bool isNoopBuiltin(unsigned ID) { switch (ID) { case Builtin::BIas_const: case Builtin::BIforward: @@ -3285,14 +3285,14 @@ bool InterpretBuiltin(InterpState &S, CodePtr OpPC, const CallExpr *Call, case Builtin::BI__builtin_parityl: case Builtin::BI__builtin_parityll: return interp__builtin_elementwise_int_unaryop( - S, OpPC, Call, [](const APSInt &Val) -> APInt { + S, OpPC, Call, [](const APSInt &Val) { return APInt(Val.getBitWidth(), Val.popcount() % 2); }); case Builtin::BI__builtin_clrsb: case Builtin::BI__builtin_clrsbl: case Builtin::BI__builtin_clrsbll: return interp__builtin_elementwise_int_unaryop( - S, OpPC, Call, [](const APSInt &Val) -> APInt { + S, OpPC, Call, [](const APSInt &Val) { return APInt(Val.getBitWidth(), Val.getBitWidth() - Val.getSignificantBits()); }); @@ -3301,8 +3301,7 @@ bool InterpretBuiltin(InterpState &S, CodePtr OpPC, const CallExpr *Call, case Builtin::BI__builtin_bitreverse32: case Builtin::BI__builtin_bitreverse64: return interp__builtin_elementwise_int_unaryop( - S, OpPC, Call, - [](const APSInt &Val) -> APInt { return Val.reverseBits(); }); + S, OpPC, Call, [](const APSInt &Val) { return Val.reverseBits(); }); case Builtin::BI__builtin_classify_type: return interp__builtin_classify_type(S, OpPC, Frame, Call); @@ -3622,6 +3621,15 @@ bool InterpretBuiltin(InterpState &S, CodePtr OpPC, const CallExpr *Call, return LHS.isSigned() ? LHS.ssub_sat(RHS) : LHS.usub_sat(RHS); }); + case clang::X86::BI__builtin_ia32_pmulhrsw128: + case clang::X86::BI__builtin_ia32_pmulhrsw256: + case clang::X86::BI__builtin_ia32_pmulhrsw512: + return interp__builtin_elementwise_int_binop( + S, OpPC, Call, [](const APSInt &LHS, const APSInt &RHS) { + return (llvm::APIntOps::mulsExtended(LHS, RHS).ashr(14) + 1) + .extractBits(16, 1); + }); + case clang::X86::BI__builtin_ia32_pavgb128: case clang::X86::BI__builtin_ia32_pavgw128: case clang::X86::BI__builtin_ia32_pavgb256: |