[clang] 3524535 - [AARCH64] ssbs should be enabled by default for cortex-x1, cortex-x1c, cortex-a77
Ties Stuij via cfe-commits
cfe-commits at lists.llvm.org
Tue Mar 15 06:44:40 PDT 2022
Author: Ties Stuij
Date: 2022-03-15T13:44:20Z
New Revision: 352453569b2b044ddd5bd4df0074ff9863828b6f
URL: https://github.com/llvm/llvm-project/commit/352453569b2b044ddd5bd4df0074ff9863828b6f
DIFF: https://github.com/llvm/llvm-project/commit/352453569b2b044ddd5bd4df0074ff9863828b6f.diff
LOG: [AARCH64] ssbs should be enabled by default for cortex-x1, cortex-x1c, cortex-a77
Reviewed By: amilendra
Differential Revision: https://reviews.llvm.org/D121206
Added:
Modified:
clang/test/Driver/aarch64-ssbs.c
clang/test/Preprocessor/aarch64-target-features.c
llvm/lib/Support/AArch64TargetParser.cpp
llvm/lib/Target/AArch64/AArch64.td
Removed:
################################################################################
diff --git a/clang/test/Driver/aarch64-ssbs.c b/clang/test/Driver/aarch64-ssbs.c
index 86c93ae926404..209255405d28d 100644
--- a/clang/test/Driver/aarch64-ssbs.c
+++ b/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
diff --git a/clang/test/Preprocessor/aarch64-target-features.c b/clang/test/Preprocessor/aarch64-target-features.c
index 833d75b7e5b9e..b7e0113131ea7 100644
--- a/clang/test/Preprocessor/aarch64-target-features.c
+++ b/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"
diff --git a/llvm/lib/Support/AArch64TargetParser.cpp b/llvm/lib/Support/AArch64TargetParser.cpp
index cdf7c8ade9aac..bb19e2714be10 100644
--- a/llvm/lib/Support/AArch64TargetParser.cpp
+++ b/llvm/lib/Support/AArch64TargetParser.cpp
@@ -120,6 +120,8 @@ bool AArch64::getExtensionFeatures(uint64_t Extensions,
Features.push_back("+mops");
if (Extensions & AArch64::AEK_PERFMON)
Features.push_back("+perfmon");
+ if (Extensions & AArch64::AEK_SSBS)
+ Features.push_back("+ssbs");
return true;
}
diff --git a/llvm/lib/Target/AArch64/AArch64.td b/llvm/lib/Target/AArch64/AArch64.td
index f53218c35d46e..872343e8b8f89 100644
--- a/llvm/lib/Target/AArch64/AArch64.td
+++ b/llvm/lib/Target/AArch64/AArch64.td
@@ -957,7 +957,7 @@ def ProcessorFeatures {
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 @@ def ProcessorFeatures {
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,
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