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llvm/lib/Target/RISCV/RISCV.td
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| // built with this feature is not ABI-compatible with code built without this | // built with this feature is not ABI-compatible with code built without this | ||||
| // feature, if atomic variables are exposed across the ABI boundary. | // feature, if atomic variables are exposed across the ABI boundary. | ||||
| def FeatureForcedAtomics : SubtargetFeature< | def FeatureForcedAtomics : SubtargetFeature< | ||||
| "forced-atomics", "HasForcedAtomics", "true", | "forced-atomics", "HasForcedAtomics", "true", | ||||
| "Assume that lock-free native-width atomics are available">; | "Assume that lock-free native-width atomics are available">; | ||||
| def HasAtomicLdSt | def HasAtomicLdSt | ||||
| : Predicate<"Subtarget->hasStdExtA() || Subtarget->hasForcedAtomics()">; | : Predicate<"Subtarget->hasStdExtA() || Subtarget->hasForcedAtomics()">; | ||||
| def FeatureTaggedGlobals : SubtargetFeature<"tagged-globals", | |||||
| "AllowTaggedGlobals", | |||||
| "true", "Use an instruction sequence for taking the address of a global " | |||||
| "that allows a memory tag in the upper address bits">; | |||||
| //===----------------------------------------------------------------------===// | //===----------------------------------------------------------------------===// | ||||
| // Named operands for CSR instructions. | // Named operands for CSR instructions. | ||||
| //===----------------------------------------------------------------------===// | //===----------------------------------------------------------------------===// | ||||
| include "RISCVSystemOperands.td" | include "RISCVSystemOperands.td" | ||||
| //===----------------------------------------------------------------------===// | //===----------------------------------------------------------------------===// | ||||
| // Registers, calling conventions, instruction descriptions. | // Registers, calling conventions, instruction descriptions. | ||||
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