AMDGPU/SI: Stoney has only 16 LDS banks

Summary:
This is a candidate for stable, along with all patches that add the "stoney"
processor.

Reviewers: tstellarAMD

Subscribers: arsenm

Differential Revision: http://reviews.llvm.org/D16485

llvm-svn: 258922
diff --git a/llvm/lib/Target/AMDGPU/AMDGPU.td b/llvm/lib/Target/AMDGPU/AMDGPU.td
index 8aa658d..c8c550c 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPU.td
+++ b/llvm/lib/Target/AMDGPU/AMDGPU.td
@@ -290,7 +290,7 @@
 def FeatureVolcanicIslands : SubtargetFeatureGeneration<"VOLCANIC_ISLANDS",
   [FeatureFP64, FeatureLocalMemorySize65536,
    FeatureWavefrontSize64, FeatureFlatAddressSpace, FeatureGCN,
-   FeatureGCN3Encoding, FeatureCIInsts, FeatureLDSBankCount32]
+   FeatureGCN3Encoding, FeatureCIInsts]
 >;
 
 //===----------------------------------------------------------------------===//
diff --git a/llvm/lib/Target/AMDGPU/Processors.td b/llvm/lib/Target/AMDGPU/Processors.td
index 24681ea..32c327d 100644
--- a/llvm/lib/Target/AMDGPU/Processors.td
+++ b/llvm/lib/Target/AMDGPU/Processors.td
@@ -128,21 +128,23 @@
 //===----------------------------------------------------------------------===//
 
 def : ProcessorModel<"tonga",   SIQuarterSpeedModel,
-  [FeatureVolcanicIslands, FeatureSGPRInitBug, FeatureISAVersion8_0_0]
+  [FeatureVolcanicIslands, FeatureSGPRInitBug, FeatureISAVersion8_0_0,
+   FeatureLDSBankCount32]
 >;
 
 def : ProcessorModel<"iceland", SIQuarterSpeedModel,
-  [FeatureVolcanicIslands, FeatureSGPRInitBug, FeatureISAVersion8_0_0]
+  [FeatureVolcanicIslands, FeatureSGPRInitBug, FeatureISAVersion8_0_0,
+   FeatureLDSBankCount32]
 >;
 
 def : ProcessorModel<"carrizo", SIQuarterSpeedModel,
-  [FeatureVolcanicIslands, FeatureISAVersion8_0_1]
+  [FeatureVolcanicIslands, FeatureISAVersion8_0_1, FeatureLDSBankCount32]
 >;
 
 def : ProcessorModel<"fiji", SIQuarterSpeedModel,
-  [FeatureVolcanicIslands, FeatureISAVersion8_0_3]
+  [FeatureVolcanicIslands, FeatureISAVersion8_0_3, FeatureLDSBankCount32]
 >;
 
 def : ProcessorModel<"stoney", SIQuarterSpeedModel,
-  [FeatureVolcanicIslands, FeatureISAVersion8_0_1]
+  [FeatureVolcanicIslands, FeatureISAVersion8_0_1, FeatureLDSBankCount16]
 >;