================
@@ -1096,6 +1100,177 @@ inline void FPOptions::applyChanges(FPOptionsOverride
FPO) {
*this = FPO.applyOverrides(*this);
}
+/// Atomic control options
+class AtomicOptionsOverride;
+class AtomicOptions {
+public:
+ using storage_type = uint16_t;
+
+ static constexpr unsigned StorageBitSize = 8 * sizeof(storage_type);
+
+ static constexpr storage_type FirstShift = 0, FirstWidth = 0;
+#define OPTION(NAME, STR, TYPE, WIDTH, PREVIOUS)
\
+ static constexpr storage_type NAME##Shift =
\
+ PREVIOUS##Shift + PREVIOUS##Width;
\
+ static constexpr storage_type NAME##Width = WIDTH;
\
+ static constexpr storage_type NAME##Mask = ((1 << NAME##Width) - 1)
\
+ << NAME##Shift;
+#include "clang/Basic/AtomicOptions.def"
+
+ static constexpr storage_type TotalWidth = 0
+#define OPTION(NAME, STR, TYPE, WIDTH, PREVIOUS) +WIDTH
----------------
erichkeane wrote:
This whole thing just seems too cute for me. Could we instead generate this as
a type with bitfields, so that only the width is important/necessary?
https://github.com/llvm/llvm-project/pull/114841
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