diff options
Diffstat (limited to 'clang/lib/AST/ByteCode')
| -rw-r--r-- | clang/lib/AST/ByteCode/Interp.h | 2 | ||||
| -rw-r--r-- | clang/lib/AST/ByteCode/InterpBuiltin.cpp | 68 |
2 files changed, 68 insertions, 2 deletions
diff --git a/clang/lib/AST/ByteCode/Interp.h b/clang/lib/AST/ByteCode/Interp.h index a9c71c7..57cc705 100644 --- a/clang/lib/AST/ByteCode/Interp.h +++ b/clang/lib/AST/ByteCode/Interp.h @@ -3699,7 +3699,7 @@ inline bool CheckDestruction(InterpState &S, CodePtr OpPC) { inline bool CheckArraySize(InterpState &S, CodePtr OpPC, uint64_t NumElems) { uint64_t Limit = S.getLangOpts().ConstexprStepLimit; - if (NumElems > Limit) { + if (Limit != 0 && NumElems > Limit) { S.FFDiag(S.Current->getSource(OpPC), diag::note_constexpr_new_exceeds_limits) << NumElems << Limit; diff --git a/clang/lib/AST/ByteCode/InterpBuiltin.cpp b/clang/lib/AST/ByteCode/InterpBuiltin.cpp index 3811fb0..84c5ecc 100644 --- a/clang/lib/AST/ByteCode/InterpBuiltin.cpp +++ b/clang/lib/AST/ByteCode/InterpBuiltin.cpp @@ -2756,6 +2756,45 @@ static bool interp__builtin_ia32_pshuf(InterpState &S, CodePtr OpPC, return true; } +static bool interp__builtin_ia32_test_op( + InterpState &S, CodePtr OpPC, const CallExpr *Call, + llvm::function_ref<bool(const APInt &A, const APInt &B)> Fn) { + const Pointer &RHS = S.Stk.pop<Pointer>(); + const Pointer &LHS = S.Stk.pop<Pointer>(); + + assert(LHS.getNumElems() == RHS.getNumElems()); + + unsigned SourceLen = LHS.getNumElems(); + QualType ElemQT = getElemType(LHS); + OptPrimType ElemPT = S.getContext().classify(ElemQT); + unsigned LaneWidth = S.getASTContext().getTypeSize(ElemQT); + + APInt AWide(LaneWidth * SourceLen, 0); + APInt BWide(LaneWidth * SourceLen, 0); + + for (unsigned I = 0; I != SourceLen; ++I) { + APInt ALane; + APInt BLane; + + if (ElemQT->isIntegerType()) { // Get value. + INT_TYPE_SWITCH_NO_BOOL(*ElemPT, { + ALane = LHS.elem<T>(I).toAPSInt(); + BLane = RHS.elem<T>(I).toAPSInt(); + }); + } else if (ElemQT->isFloatingType()) { // Get only sign bit. + using T = PrimConv<PT_Float>::T; + ALane = LHS.elem<T>(I).getAPFloat().bitcastToAPInt().isNegative(); + BLane = RHS.elem<T>(I).getAPFloat().bitcastToAPInt().isNegative(); + } else { // Must be integer or floating type. + return false; + } + AWide.insertBits(ALane, I * LaneWidth); + BWide.insertBits(BLane, I * LaneWidth); + } + pushInteger(S, Fn(AWide, BWide), Call->getType()); + return true; +} + static bool interp__builtin_elementwise_triop( InterpState &S, CodePtr OpPC, const CallExpr *Call, llvm::function_ref<APInt(const APSInt &, const APSInt &, const APSInt &)> @@ -3712,7 +3751,34 @@ bool InterpretBuiltin(InterpState &S, CodePtr OpPC, const CallExpr *Call, S, OpPC, Call, [](const APSInt &F, const APSInt &T, const APSInt &C) { return ((APInt)C).isNegative() ? T : F; }); - + case X86::BI__builtin_ia32_ptestz128: + case X86::BI__builtin_ia32_ptestz256: + case X86::BI__builtin_ia32_vtestzps: + case X86::BI__builtin_ia32_vtestzps256: + case X86::BI__builtin_ia32_vtestzpd: + case X86::BI__builtin_ia32_vtestzpd256: + return interp__builtin_ia32_test_op( + S, OpPC, Call, + [](const APInt &A, const APInt &B) { return (A & B) == 0; }); + case X86::BI__builtin_ia32_ptestc128: + case X86::BI__builtin_ia32_ptestc256: + case X86::BI__builtin_ia32_vtestcps: + case X86::BI__builtin_ia32_vtestcps256: + case X86::BI__builtin_ia32_vtestcpd: + case X86::BI__builtin_ia32_vtestcpd256: + return interp__builtin_ia32_test_op( + S, OpPC, Call, + [](const APInt &A, const APInt &B) { return (~A & B) == 0; }); + case X86::BI__builtin_ia32_ptestnzc128: + case X86::BI__builtin_ia32_ptestnzc256: + case X86::BI__builtin_ia32_vtestnzcps: + case X86::BI__builtin_ia32_vtestnzcps256: + case X86::BI__builtin_ia32_vtestnzcpd: + case X86::BI__builtin_ia32_vtestnzcpd256: + return interp__builtin_ia32_test_op( + S, OpPC, Call, [](const APInt &A, const APInt &B) { + return ((A & B) != 0) && ((~A & B) != 0); + }); case X86::BI__builtin_ia32_selectb_128: case X86::BI__builtin_ia32_selectb_256: case X86::BI__builtin_ia32_selectb_512: |