[PATCH] D21500: [AARCH64] Add support for Broadcom Vulcan

[pankaj gode via llvm-commits]

pgode created this revision.
pgode added reviewers: t.p.northover, rengolin.
pgode added subscribers: llvm-commits, MatzeB, aemerson, echristo.
Herald added a subscriber: rengolin.

Adding core tuning support for new Broadcom Vulcan core (ARMv8.1A). 

http://reviews.llvm.org/D21500

Files:
  include/llvm/Support/AArch64TargetParser.def
  lib/Target/AArch64/AArch64.td
  lib/Target/AArch64/AArch64Subtarget.cpp
  lib/Target/AArch64/AArch64Subtarget.h
  test/CodeGen/AArch64/cpus.ll
  test/CodeGen/AArch64/remat.ll

Index: test/CodeGen/AArch64/remat.ll
===================================================================
--- test/CodeGen/AArch64/remat.ll
+++ test/CodeGen/AArch64/remat.ll
@@ -5,6 +5,7 @@
 ; RUN: llc -mtriple=aarch64-linux-gnuabi -mcpu=cortex-a73 -o - %s | FileCheck %s
 ; RUN: llc -mtriple=aarch64-linux-gnuabi -mcpu=exynos-m1 -o - %s | FileCheck %s
 ; RUN: llc -mtriple=aarch64-linux-gnuabi -mcpu=kryo -o - %s | FileCheck %s
+; RUN: llc -mtriple=aarch64-linux-gnuabi -mcpu=vulcan -o - %s | FileCheck %s
 
 %X = type { i64, i64, i64 }
 declare void @f(%X*)
Index: test/CodeGen/AArch64/cpus.ll
===================================================================
--- test/CodeGen/AArch64/cpus.ll
+++ test/CodeGen/AArch64/cpus.ll
@@ -9,6 +9,7 @@
 ; RUN: llc < %s -mtriple=arm64-unknown-unknown -mcpu=cortex-a73 2>&1 | FileCheck %s
 ; RUN: llc < %s -mtriple=arm64-unknown-unknown -mcpu=exynos-m1 2>&1 | FileCheck %s
 ; RUN: llc < %s -mtriple=arm64-unknown-unknown -mcpu=kryo 2>&1 | FileCheck %s
+; RUN: llc < %s -mtriple=arm64-unknown-unknown -mcpu=vulcan 2>&1 | FileCheck %s
 ; RUN: llc < %s -mtriple=arm64-unknown-unknown -mcpu=invalidcpu 2>&1 | FileCheck %s --check-prefix=INVALID
 
 ; CHECK-NOT: {{.*}}  is not a recognized processor for this target
Index: lib/Target/AArch64/AArch64Subtarget.h
===================================================================
--- lib/Target/AArch64/AArch64Subtarget.h
+++ lib/Target/AArch64/AArch64Subtarget.h
@@ -41,7 +41,8 @@
     CortexA57,
     Cyclone,
     ExynosM1,
-    Kryo
+    Kryo,
+    Vulcan
   };
 
 protected:
Index: lib/Target/AArch64/AArch64Subtarget.cpp
===================================================================
--- lib/Target/AArch64/AArch64Subtarget.cpp
+++ lib/Target/AArch64/AArch64Subtarget.cpp
@@ -71,6 +71,7 @@
     MaxInterleaveFactor = 4;
     VectorInsertExtractBaseCost = 2;
     break;
+  case Vulcan: break;
   case CortexA35: break;
   case CortexA53: break;
   case Others: break;
Index: lib/Target/AArch64/AArch64.td
===================================================================
--- lib/Target/AArch64/AArch64.td
+++ lib/Target/AArch64/AArch64.td
@@ -215,6 +215,14 @@
                                    FeaturePredictableSelectIsExpensive
                                    ]>;
 
+def ProcVulcan  : SubtargetFeature<"vulcan", "ARMProcFamily", "Vulcan",
+                                   "Broadcom Vulcan processors", [
+                                   FeatureFPARMv8,
+                                   FeatureNEON,
+                                   FeatureCrypto,
+                                   FeatureCRC,
+                                   HasV8_1aOps]>;
+
 def : ProcessorModel<"generic", NoSchedModel, [
                      FeatureCRC,
                      FeatureFPARMv8,
@@ -233,6 +241,7 @@
 def : ProcessorModel<"cyclone", CycloneModel, [ProcCyclone]>;
 def : ProcessorModel<"exynos-m1", ExynosM1Model, [ProcExynosM1]>;
 def : ProcessorModel<"kryo", KryoModel, [ProcKryo]>;
+def : ProcessorModel<"vulcan", NoSchedModel, [ProcVulcan]>;
 
 //===----------------------------------------------------------------------===//
 // Assembly parser
Index: include/llvm/Support/AArch64TargetParser.def
===================================================================
--- include/llvm/Support/AArch64TargetParser.def
+++ include/llvm/Support/AArch64TargetParser.def
@@ -65,6 +65,8 @@
                 (AArch64::AEK_SIMD | AArch64::AEK_CRC | AArch64::AEK_CRYPTO))
 AARCH64_CPU_NAME("kryo", AK_ARMV8A, FK_CRYPTO_NEON_FP_ARMV8, false,
                 (AArch64::AEK_SIMD | AArch64::AEK_CRC | AArch64::AEK_CRYPTO))
+AARCH64_CPU_NAME("vulcan", AK_ARMV8_1A, FK_CRYPTO_NEON_FP_ARMV8, false,
+                (AArch64::AEK_SIMD | AArch64::AEK_CRC | AArch64::AEK_CRYPTO))
 // Invalid CPU
 AARCH64_CPU_NAME("invalid", AK_INVALID, FK_INVALID, true, AArch64::AEK_INVALID)
 #undef AARCH64_CPU_NAME


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