};
}
+ namespace JumpTable {
+ enum JumpTableType {
+ Single, // Use a single table for all indirect jumptable calls.
+ Arity, // Use one table per number of function parameters.
+ Simplified, // Use one table per function type, with types projected
+ // into 4 types: pointer to non-function, struct,
+ // primitive, and function pointer.
+ Full // Use one table per unique function type
+ };
+ }
+
+ namespace ThreadModel {
+ enum Model {
+ POSIX, // POSIX Threads
+ Single // Single Threaded Environment
+ };
+ }
+
class TargetOptions {
public:
TargetOptions()
CompressDebugSections(false), FunctionSections(false),
DataSections(false), TrapUnreachable(false), TrapFuncName(""),
FloatABIType(FloatABI::Default),
- AllowFPOpFusion(FPOpFusion::Standard) {}
+ AllowFPOpFusion(FPOpFusion::Standard), JTType(JumpTable::Single),
+ ThreadModel(ThreadModel::POSIX) {}
/// PrintMachineCode - This flag is enabled when the -print-machineinstrs
/// option is specified on the command line, and should enable debugging
/// the value of this option.
FPOpFusion::FPOpFusionMode AllowFPOpFusion;
+ /// JTType - This flag specifies the type of jump-instruction table to
+ /// create for functions that have the jumptable attribute.
+ JumpTable::JumpTableType JTType;
+
+ /// ThreadModel - This flag specifies the type of threading model to assume
+ /// for things like atomics
+ ThreadModel::Model ThreadModel;
+
/// Machine level options.
MCTargetOptions MCOptions;
};