[PATCH] D121206: [AARCH64] ssbs should be enabled by default for cortex-x1, cortex-x1c, cortex-a77

[Ties Stuij via Phabricator via llvm-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG352453569b2b: [AARCH64] ssbs should be enabled by default for cortex-x1, cortex-x1c, cortex… (authored by stuij).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D121206/new/

https://reviews.llvm.org/D121206

Files:
  clang/test/Driver/aarch64-ssbs.c
  clang/test/Preprocessor/aarch64-target-features.c
  llvm/lib/Support/AArch64TargetParser.cpp
  llvm/lib/Target/AArch64/AArch64.td


Index: llvm/lib/Target/AArch64/AArch64.td
===================================================================
--- llvm/lib/Target/AArch64/AArch64.td
+++ llvm/lib/Target/AArch64/AArch64.td
@@ -957,7 +957,7 @@
                                  FeatureRCPC, FeatureSSBS, FeaturePerfMon];
   list<SubtargetFeature> A77  = [HasV8_2aOps, FeatureCrypto, FeatureFPARMv8,
                                  FeatureNEON, FeatureFullFP16, FeatureDotProd,
-                                 FeatureRCPC, FeaturePerfMon];
+                                 FeatureRCPC, FeaturePerfMon, FeatureSSBS];
   list<SubtargetFeature> A78  = [HasV8_2aOps, FeatureCrypto, FeatureFPARMv8,
                                  FeatureNEON, FeatureFullFP16, FeatureDotProd,
                                  FeatureRCPC, FeaturePerfMon, FeatureSPE,
@@ -975,11 +975,12 @@
                                  FeatureSB];
   list<SubtargetFeature> X1   = [HasV8_2aOps, FeatureCrypto, FeatureFPARMv8,
                                  FeatureNEON, FeatureRCPC, FeaturePerfMon,
-                                 FeatureSPE, FeatureFullFP16, FeatureDotProd];
+                                 FeatureSPE, FeatureFullFP16, FeatureDotProd,
+                                 FeatureSSBS];
   list<SubtargetFeature> X1C  = [HasV8_2aOps, FeatureCrypto, FeatureFPARMv8,
                                  FeatureNEON, FeatureRCPC, FeaturePerfMon,
                                  FeatureSPE, FeatureFullFP16, FeatureDotProd,
-                                 FeaturePAuth];
+                                 FeaturePAuth, FeatureSSBS];
   list<SubtargetFeature> X2   = [HasV9_0aOps, FeatureNEON, FeaturePerfMon,
                                  FeatureMatMulInt8, FeatureBF16, FeatureAM,
                                  FeatureMTE, FeatureETE, FeatureSVE2BitPerm,
Index: llvm/lib/Support/AArch64TargetParser.cpp
===================================================================
--- llvm/lib/Support/AArch64TargetParser.cpp
+++ llvm/lib/Support/AArch64TargetParser.cpp
@@ -120,6 +120,8 @@
     Features.push_back("+mops");
   if (Extensions & AArch64::AEK_PERFMON)
     Features.push_back("+perfmon");
+  if (Extensions & AArch64::AEK_SSBS)
+    Features.push_back("+ssbs");
 
   return true;
 }
Index: clang/test/Preprocessor/aarch64-target-features.c
===================================================================
--- clang/test/Preprocessor/aarch64-target-features.c
+++ clang/test/Preprocessor/aarch64-target-features.c
@@ -285,7 +285,7 @@
 // CHECK-MCPU-A57: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-feature" "+v8a" "-target-feature" "+fp-armv8" "-target-feature" "+neon" "-target-feature" "+crc" "-target-feature" "+crypto"
 // CHECK-MCPU-A72: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-feature" "+v8a" "-target-feature" "+fp-armv8" "-target-feature" "+neon" "-target-feature" "+crc" "-target-feature" "+crypto"
 // CHECK-MCPU-CORTEX-A73: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-feature" "+v8a" "-target-feature" "+fp-armv8" "-target-feature" "+neon" "-target-feature" "+crc" "-target-feature" "+crypto"
-// CHECK-MCPU-CORTEX-R82: "-cc1"{{.*}} "-triple" "aarch64{{.*}}"  "-target-feature" "+v8r" "-target-feature" "+fp-armv8" "-target-feature" "+neon" "-target-feature" "+crc" "-target-feature" "+dotprod" "-target-feature" "+fp16fml" "-target-feature" "+ras" "-target-feature" "+lse" "-target-feature" "+rdm" "-target-feature" "+rcpc" "-target-feature" "+fullfp16"
+// CHECK-MCPU-CORTEX-R82: "-cc1"{{.*}} "-triple" "aarch64{{.*}}"  "-target-feature" "+v8r" "-target-feature" "+fp-armv8" "-target-feature" "+neon" "-target-feature" "+crc" "-target-feature" "+dotprod" "-target-feature" "+fp16fml" "-target-feature" "+ras" "-target-feature" "+lse" "-target-feature" "+rdm" "-target-feature" "+rcpc" "-target-feature" "+ssbs" "-target-feature" "+fullfp16"
 // CHECK-MCPU-M3: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-feature" "+v8a" "-target-feature" "+fp-armv8" "-target-feature" "+neon" "-target-feature" "+crc" "-target-feature" "+crypto"
 // CHECK-MCPU-M4: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-feature" "+neon" "-target-feature" "+crc" "-target-feature" "+crypto" "-target-feature" "+dotprod" "-target-feature" "+fullfp16"
 // CHECK-MCPU-KRYO: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-feature" "+v8a" "-target-feature" "+fp-armv8" "-target-feature" "+neon" "-target-feature" "+crc" "-target-feature" "+crypto"
Index: clang/test/Driver/aarch64-ssbs.c
===================================================================
--- clang/test/Driver/aarch64-ssbs.c
+++ clang/test/Driver/aarch64-ssbs.c
@@ -1,7 +1,11 @@
 // RUN: %clang -### -target aarch64-none-none-eabi -march=armv8a+ssbs   %s 2>&1 | FileCheck %s
+// RUN: %clang -### -target aarch64-none-none-eabi -mcpu=cortex-x1      %s 2>&1 | FileCheck %s
+// RUN: %clang -### -target aarch64-none-none-eabi -mcpu=cortex-x1c     %s 2>&1 | FileCheck %s
+// RUN: %clang -### -target aarch64-none-none-eabi -mcpu=cortex-a77     %s 2>&1 | FileCheck %s
 // CHECK: "-target-feature" "+ssbs"
 
 // RUN: %clang -### -target aarch64-none-none-eabi -march=armv8a+nossbs %s 2>&1 | FileCheck %s --check-prefix=NOSSBS
+// RUN: %clang -### -target aarch64-none-none-eabi -mcpu=cortex-x1c+nossbs %s 2>&1 | FileCheck %s --check-prefix=NOSSBS
 // NOSSBS: "-target-feature" "-ssbs"
 
 // RUN: %clang -### -target aarch64-none-none-eabi                      %s 2>&1 | FileCheck %s --check-prefix=ABSENTSSBS


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