def FeatureFetchLimit8 : SubtargetFeatureFetchLimit <"8">;
def FeatureFetchLimit16 : SubtargetFeatureFetchLimit <"16">;
+class SubtargetFeatureWavefrontSize <int Value> : SubtargetFeature<
+ "wavefrontsize"#Value,
+ "WavefrontSize",
+ !cast<string>(Value),
+ "The number of threads per wavefront">;
+
+def FeatureWavefrontSize16 : SubtargetFeatureWavefrontSize<16>;
+def FeatureWavefrontSize32 : SubtargetFeatureWavefrontSize<32>;
+def FeatureWavefrontSize64 : SubtargetFeatureWavefrontSize<64>;
+
class SubtargetFeatureGeneration <string Value,
list<SubtargetFeature> Implies> :
SubtargetFeature <Value, "Gen", "AMDGPUSubtarget::"#Value,
[FeatureFetchLimit16]>;
def FeatureNorthernIslands : SubtargetFeatureGeneration<"NORTHERN_ISLANDS",
- [FeatureFetchLimit16]>;
+ [FeatureFetchLimit16, FeatureWavefrontSize64]>;
def FeatureSouthernIslands : SubtargetFeatureGeneration<"SOUTHERN_ISLANDS",
[Feature64BitPtr, FeatureFP64]>;