================
@@ -1601,6 +1617,46 @@ bool CastFloatingIntegral(InterpState &S, CodePtr OpPC) {
}
}
+static inline bool CastFloatingIntegralAP(InterpState &S, CodePtr OpPC,
+ uint32_t BitWidth) {
+ const Floating &F = S.Stk.pop<Floating>();
+
+ APSInt Result(BitWidth, /*IsUnsigned=*/true);
+ auto Status = F.convertToInteger(Result);
+
+ // Float-to-Integral overflow check.
+ if ((Status & APFloat::opStatus::opInvalidOp) && F.isFinite()) {
+ const Expr *E = S.Current->getExpr(OpPC);
+ QualType Type = E->getType();
+
+ S.CCEDiag(E, diag::note_constexpr_overflow) << F.getAPFloat() << Type;
+ return S.noteUndefinedBehavior();
+ }
+
+ S.Stk.push<IntegralAP<true>>(IntegralAP<true>(Result));
+ return CheckFloatResult(S, OpPC, F, Status);
+}
+
+static inline bool CastFloatingIntegralAPS(InterpState &S, CodePtr OpPC,
+ uint32_t BitWidth) {
+ const Floating &F = S.Stk.pop<Floating>();
+
+ APSInt Result(BitWidth, /*IsUnsigned=*/false);
+ auto Status = F.convertToInteger(Result);
+
+ // Float-to-Integral overflow check.
+ if ((Status & APFloat::opStatus::opInvalidOp) && F.isFinite()) {
+ const Expr *E = S.Current->getExpr(OpPC);
+ QualType Type = E->getType();
+
+ S.CCEDiag(E, diag::note_constexpr_overflow) << F.getAPFloat() << Type;
+ return S.noteUndefinedBehavior();
+ }
+
+ S.Stk.push<IntegralAP<true>>(IntegralAP<true>(Result));
+ return CheckFloatResult(S, OpPC, F, Status);
+}
+
----------------
tbaederr wrote:
`CastFloatingIntegralAP(S)` needs a helper function to get rid of the code
duplication.
https://github.com/llvm/llvm-project/pull/68069
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
