================
@@ -549,6 +562,22 @@ static bool interp__builtin_fpclassify(InterpState &S,
CodePtr OpPC,
return true;
}
+static bool interp__builtin_fma(InterpState &S, CodePtr OpPC,
+ const InterpFrame *Frame, const Function *Func,
+ const CallExpr *Call) {
+ const Floating &X = getParam<Floating>(Frame, 0);
+ const Floating &Y = getParam<Floating>(Frame, 1);
+ const Floating &Z = getParam<Floating>(Frame, 2);
+ Floating Result;
+
+ llvm::RoundingMode RM = getActiveRoundingMode(S, Call);
----------------
c8ef wrote:
https://github.com/llvm/llvm-project/blob/61a456bd5ae88eeccc39b28a30be4eb03289446d/clang/lib/AST/ExprConstant.cpp#L2776-L2782
I actually obtained this from the old constant evaluator, but I'm not sure if
it has the same rounding issue.
https://github.com/llvm/llvm-project/pull/113020
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