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[clang][AArch64] Parse more features in getHostCPUFeatures #146323

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Merged
merged 5 commits into from
Jul 9, 2025
Merged

[clang][AArch64] Parse more features in getHostCPUFeatures #146323

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223c9e0
[clang][AArch64] Parse more features in getHostCPUFeatures
ElvinaYakubova Jun 26, 2025
a27ef49
Adressing comments
ElvinaYakubova Jun 30, 2025
c54ce90
Replace neoverse-v2 test with grace
ElvinaYakubova Jun 30, 2025
aa492e8
remove grace check from mcpu-native test
ElvinaYakubova Jun 30, 2025
1152650
Change sve2-sm4 to sve-sm4
ElvinaYakubova Jul 8, 2025
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0 .../test/Driver/Inputs/cpunative/neoverse-v2 → clang/test/Driver/Inputs/cpunative/grace
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59 changes: 0 additions & 59 deletions clang/test/Driver/aarch64-mcpu-native.c
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@@ -1,63 +1,4 @@
// REQUIRES: aarch64-registered-target,system-linux,aarch64-host
// RUN: export LLVM_CPUINFO=%S/Inputs/cpunative/neoverse-v2
// RUN: %clang --target=aarch64 --print-enabled-extensions -mcpu=native | FileCheck --strict-whitespace --check-prefix=CHECK-FEAT-NV2 --implicit-check-not=FEAT_ %s

// CHECK-FEAT-NV2: Extensions enabled for the given AArch64 target
// CHECK-FEAT-NV2-EMPTY:
// CHECK-FEAT-NV2: Architecture Feature(s) Description
// CHECK-FEAT-NV2: FEAT_AES, FEAT_PMULL Enable AES support
// CHECK-FEAT-NV2: FEAT_AMUv1 Enable Armv8.4-A Activity Monitors extension
// CHECK-FEAT-NV2: FEAT_AdvSIMD Enable Advanced SIMD instructions
// CHECK-FEAT-NV2: FEAT_BF16 Enable BFloat16 Extension
// CHECK-FEAT-NV2: FEAT_BTI Enable Branch Target Identification
// CHECK-FEAT-NV2: FEAT_CCIDX Enable Armv8.3-A Extend of the CCSIDR number of sets
// CHECK-FEAT-NV2: FEAT_CRC32 Enable Armv8.0-A CRC-32 checksum instructions
// CHECK-FEAT-NV2: FEAT_CSV2_2 Enable architectural speculation restriction
// CHECK-FEAT-NV2: FEAT_DIT Enable Armv8.4-A Data Independent Timing instructions
// CHECK-FEAT-NV2: FEAT_DPB Enable Armv8.2-A data Cache Clean to Point of Persistence
// CHECK-FEAT-NV2: FEAT_DPB2 Enable Armv8.5-A Cache Clean to Point of Deep Persistence
// CHECK-FEAT-NV2: FEAT_DotProd Enable dot product support
// CHECK-FEAT-NV2: FEAT_ETE Enable Embedded Trace Extension
// CHECK-FEAT-NV2: FEAT_FCMA Enable Armv8.3-A Floating-point complex number support
// CHECK-FEAT-NV2: FEAT_FHM Enable FP16 FML instructions
// CHECK-FEAT-NV2: FEAT_FP Enable Armv8.0-A Floating Point Extensions
// CHECK-FEAT-NV2: FEAT_FP16 Enable half-precision floating-point data processing
// CHECK-FEAT-NV2: FEAT_FPAC Enable Armv8.3-A Pointer Authentication Faulting enhancement
// CHECK-FEAT-NV2: FEAT_FRINTTS Enable FRInt[32|64][Z|X] instructions that round a floating-point number to an integer (in FP format) forcing it to fit into a 32- or 64-bit int
// CHECK-FEAT-NV2: FEAT_FlagM Enable Armv8.4-A Flag Manipulation instructions
// CHECK-FEAT-NV2: FEAT_FlagM2 Enable alternative NZCV format for floating point comparisons
// CHECK-FEAT-NV2: FEAT_I8MM Enable Matrix Multiply Int8 Extension
// CHECK-FEAT-NV2: FEAT_JSCVT Enable Armv8.3-A JavaScript FP conversion instructions
// CHECK-FEAT-NV2: FEAT_LOR Enable Armv8.1-A Limited Ordering Regions extension
// CHECK-FEAT-NV2: FEAT_LRCPC Enable support for RCPC extension
// CHECK-FEAT-NV2: FEAT_LRCPC2 Enable Armv8.4-A RCPC instructions with Immediate Offsets
// CHECK-FEAT-NV2: FEAT_LSE Enable Armv8.1-A Large System Extension (LSE) atomic instructions
// CHECK-FEAT-NV2: FEAT_LSE2 Enable Armv8.4-A Large System Extension 2 (LSE2) atomicity rules
// CHECK-FEAT-NV2: FEAT_MPAM Enable Armv8.4-A Memory system Partitioning and Monitoring extension
// CHECK-FEAT-NV2: FEAT_MTE, FEAT_MTE2 Enable Memory Tagging Extension
// CHECK-FEAT-NV2: FEAT_NV, FEAT_NV2 Enable Armv8.4-A Nested Virtualization Enchancement
// CHECK-FEAT-NV2: FEAT_PAN Enable Armv8.1-A Privileged Access-Never extension
// CHECK-FEAT-NV2: FEAT_PAN2 Enable Armv8.2-A PAN s1e1R and s1e1W Variants
// CHECK-FEAT-NV2: FEAT_PAuth Enable Armv8.3-A Pointer Authentication extension
// CHECK-FEAT-NV2: FEAT_PMUv3 Enable Armv8.0-A PMUv3 Performance Monitors extension
// CHECK-FEAT-NV2: FEAT_RAS, FEAT_RASv1p1 Enable Armv8.0-A Reliability, Availability and Serviceability Extensions
// CHECK-FEAT-NV2: FEAT_RDM Enable Armv8.1-A Rounding Double Multiply Add/Subtract instructions
// CHECK-FEAT-NV2: FEAT_RNG Enable Random Number generation instructions
// CHECK-FEAT-NV2: FEAT_SB Enable Armv8.5-A Speculation Barrier
// CHECK-FEAT-NV2: FEAT_SEL2 Enable Armv8.4-A Secure Exception Level 2 extension
// CHECK-FEAT-NV2: FEAT_SHA1, FEAT_SHA256 Enable SHA1 and SHA256 support
// CHECK-FEAT-NV2: FEAT_SPE Enable Statistical Profiling extension
// CHECK-FEAT-NV2: FEAT_SPECRES Enable Armv8.5-A execution and data prediction invalidation instructions
// CHECK-FEAT-NV2: FEAT_SSBS, FEAT_SSBS2 Enable Speculative Store Bypass Safe bit
// CHECK-FEAT-NV2: FEAT_SVE Enable Scalable Vector Extension (SVE) instructions
// CHECK-FEAT-NV2: FEAT_SVE2 Enable Scalable Vector Extension 2 (SVE2) instructions
// CHECK-FEAT-NV2: FEAT_SVE_BitPerm Enable bit permutation SVE2 instructions
// CHECK-FEAT-NV2: FEAT_TLBIOS, FEAT_TLBIRANGE Enable Armv8.4-A TLB Range and Maintenance instructions
// CHECK-FEAT-NV2: FEAT_TRBE Enable Trace Buffer Extension
// CHECK-FEAT-NV2: FEAT_TRF Enable Armv8.4-A Trace extension
// CHECK-FEAT-NV2: FEAT_UAO Enable Armv8.2-A UAO PState
// CHECK-FEAT-NV2: FEAT_VHE Enable Armv8.1-A Virtual Host extension

// RUN: export LLVM_CPUINFO=%S/Inputs/cpunative/neoverse-n1
// RUN: %clang --target=aarch64 --print-enabled-extensions -mcpu=native | FileCheck --strict-whitespace --check-prefix=CHECK-FEAT-NN1 --implicit-check-not=FEAT_ %s

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3 changes: 2 additions & 1 deletion clang/test/Driver/print-enabled-extensions/aarch64-grace.c
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@@ -1,5 +1,6 @@
// REQUIRES: aarch64-registered-target
// REQUIRES: aarch64-registered-target,aarch64-host,system-linux
// RUN: %clang --target=aarch64 --print-enabled-extensions -mcpu=grace | FileCheck --strict-whitespace --implicit-check-not=FEAT_ %s
// RUN: env LLVM_CPUINFO=%S/../Inputs/cpunative/grace %clang --target=aarch64 --print-enabled-extensions -mcpu=native | FileCheck --strict-whitespace --implicit-check-not=FEAT_ %s

// CHECK: Extensions enabled for the given AArch64 target
// CHECK-EMPTY:
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5 changes: 5 additions & 0 deletions llvm/lib/TargetParser/Host.cpp
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Expand Up @@ -2100,8 +2100,13 @@ const StringMap<bool> sys::getHostCPUFeatures() {
.Case("fp", "fp-armv8")
.Case("crc32", "crc")
.Case("atomics", "lse")
.Case("sha3", "sha3")
.Case("sm4", "sm4")
.Case("sve", "sve")
.Case("sve2", "sve2")
.Case("sveaes", "sve-aes")
.Case("svesha3", "sve-sha3")
.Case("svesm4", "sve-sm4")
#else
.Case("half", "fp16")
.Case("neon", "neon")
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