https://github.com/jthackray created https://github.com/llvm/llvm-project/pull/229361
This introduces the Armv9.8-A architecture version, including the relevant command-line option for -march. More details about the Armv9.8-A architecture version can be found at: * https://community.arm.com/arm-community-blogs/b/architectures-and-processors-blog/posts/arm-a-profile-architecture-developments-2026 * https://support.arm.com/documentation/109697/2026_09/2026-Architecture-Extensions * https://support.arm.com/documentation/109697/2026_09/Future-Architecture-Technologies * https://support.arm.com/documentation/ddi0602/2026-09/ --- <sub>Stack created with <a href="https://github.com/github/gh-stack";>GitHub Stacks CLI</a> • <a href="https://gh.io/stacks-feedback";>Give Feedback 💬</a></sub> >From f0a0dc5083ee31ea5c04f2171efb69d8e930ced1 Mon Sep 17 00:00:00 2001 From: Jonathan Thackray <[email protected]> Date: Mon, 14 Sep 2026 16:38:05 +0100 Subject: [PATCH] [ARM][AArch64] Introduce Armv9.8-A architecture version This introduces the Armv9.8-A architecture version, including the relevant command-line option for -march. More details about the Armv9.8-A architecture version can be found at: * https://community.arm.com/arm-community-blogs/b/architectures-and-processors-blog/posts/arm-a-profile-architecture-developments-2026 * https://support.arm.com/documentation/109697/2026_09/2026-Architecture-Extensions * https://support.arm.com/documentation/109697/2026_09/Future-Architecture-Technologies * https://support.arm.com/documentation/ddi0602/2026-09/ --- clang/lib/Basic/Targets/AArch64.cpp | 11 +++++++++++ clang/lib/Basic/Targets/AArch64.h | 2 ++ clang/lib/Basic/Targets/ARM.cpp | 4 ++++ clang/test/CodeGen/arm-acle-coproc.c | 2 ++ clang/test/Driver/aarch64-v98a.c | 19 +++++++++++++++++++ clang/test/Driver/arm-cortex-cpus-1.c | 16 ++++++++++++++++ .../Preprocessor/aarch64-target-features.c | 2 ++ clang/test/Preprocessor/arm-target-features.c | 5 +++++ llvm/docs/ReleaseNotes.md | 3 +++ .../llvm/TargetParser/AArch64TargetParser.h | 6 +++--- .../llvm/TargetParser/ARMTargetParser.def | 5 +++++ llvm/include/llvm/TargetParser/Triple.h | 1 + llvm/lib/Target/AArch64/AArch64Features.td | 7 +++++++ .../AArch64/AsmParser/AArch64AsmParser.cpp | 2 ++ llvm/lib/Target/ARM/ARMArchitectures.td | 12 ++++++++++++ llvm/lib/Target/ARM/ARMFeatures.td | 5 +++++ .../ARM/MCTargetDesc/ARMELFStreamer.cpp | 1 + llvm/lib/TargetParser/ARMTargetParser.cpp | 2 ++ .../TargetParser/ARMTargetParserCommon.cpp | 1 + llvm/lib/TargetParser/Triple.cpp | 2 ++ .../TargetParser/TargetParserTest.cpp | 10 ++++++++-- 21 files changed, 113 insertions(+), 5 deletions(-) create mode 100644 clang/test/Driver/aarch64-v98a.c diff --git a/clang/lib/Basic/Targets/AArch64.cpp b/clang/lib/Basic/Targets/AArch64.cpp index a4841514be35e..3c53acb8cee4e 100644 --- a/clang/lib/Basic/Targets/AArch64.cpp +++ b/clang/lib/Basic/Targets/AArch64.cpp @@ -400,6 +400,12 @@ void AArch64TargetInfo::getTargetDefinesARMV97A(const LangOptions &Opts, getTargetDefinesARMV96A(Opts, Builder); } +void AArch64TargetInfo::getTargetDefinesARMV98A(const LangOptions &Opts, + MacroBuilder &Builder) const { + // Armv9.8-A does not have a v8.* equivalent, but is a superset of v9.7-A. + getTargetDefinesARMV97A(Opts, Builder); +} + void AArch64TargetInfo::getTargetDefines(const LangOptions &Opts, MacroBuilder &Builder) const { // Target identification. @@ -766,6 +772,8 @@ void AArch64TargetInfo::getTargetDefines(const LangOptions &Opts, getTargetDefinesARMV96A(Opts, Builder); else if (*ArchInfo == llvm::AArch64::ARMV9_7A) getTargetDefinesARMV97A(Opts, Builder); + else if (*ArchInfo == llvm::AArch64::ARMV9_8A) + getTargetDefinesARMV98A(Opts, Builder); // All of the __sync_(bool|val)_compare_and_swap_(1|2|4|8|16) builtins work. Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1"); @@ -1279,6 +1287,9 @@ bool AArch64TargetInfo::handleTargetFeatures(std::vector<std::string> &Features, if (Feature == "+v9.7a" && ArchInfo->Version < llvm::AArch64::ARMV9_7A.Version) ArchInfo = &llvm::AArch64::ARMV9_7A; + if (Feature == "+v9.8a" && + ArchInfo->Version < llvm::AArch64::ARMV9_8A.Version) + ArchInfo = &llvm::AArch64::ARMV9_8A; if (Feature == "+v8r") ArchInfo = &llvm::AArch64::ARMV8R; if (Feature == "+fullfp16") { diff --git a/clang/lib/Basic/Targets/AArch64.h b/clang/lib/Basic/Targets/AArch64.h index 3ccfa265399be..ed5c0559f460e 100644 --- a/clang/lib/Basic/Targets/AArch64.h +++ b/clang/lib/Basic/Targets/AArch64.h @@ -185,6 +185,8 @@ class LLVM_LIBRARY_VISIBILITY AArch64TargetInfo : public TargetInfo { MacroBuilder &Builder) const; void getTargetDefinesARMV97A(const LangOptions &Opts, MacroBuilder &Builder) const; + void getTargetDefinesARMV98A(const LangOptions &Opts, + MacroBuilder &Builder) const; void getTargetDefines(const LangOptions &Opts, MacroBuilder &Builder) const override; diff --git a/clang/lib/Basic/Targets/ARM.cpp b/clang/lib/Basic/Targets/ARM.cpp index 0e424d031700b..091df5ff82847 100644 --- a/clang/lib/Basic/Targets/ARM.cpp +++ b/clang/lib/Basic/Targets/ARM.cpp @@ -196,6 +196,8 @@ StringRef ARMTargetInfo::getCPUAttr() const { return "9_6A"; case llvm::ARM::ArchKind::ARMV9_7A: return "9_7A"; + case llvm::ARM::ArchKind::ARMV9_8A: + return "9_8A"; case llvm::ARM::ArchKind::ARMV8MBaseline: return "8M_BASE"; case llvm::ARM::ArchKind::ARMV8MMainline: @@ -869,6 +871,7 @@ void ARMTargetInfo::getTargetDefines(const LangOptions &Opts, case llvm::ARM::ArchKind::ARMV9_5A: case llvm::ARM::ArchKind::ARMV9_6A: case llvm::ARM::ArchKind::ARMV9_7A: + case llvm::ARM::ArchKind::ARMV9_8A: // Filter __arm_cdp, __arm_ldcl, __arm_stcl in arm_acle.h FeatureCoprocBF = FEATURE_COPROC_B1 | FEATURE_COPROC_B3; break; @@ -1040,6 +1043,7 @@ void ARMTargetInfo::getTargetDefines(const LangOptions &Opts, case llvm::ARM::ArchKind::ARMV9_5A: case llvm::ARM::ArchKind::ARMV9_6A: case llvm::ARM::ArchKind::ARMV9_7A: + case llvm::ARM::ArchKind::ARMV9_8A: getTargetDefinesARMV83A(Opts, Builder); break; } diff --git a/clang/test/CodeGen/arm-acle-coproc.c b/clang/test/CodeGen/arm-acle-coproc.c index 000fff632f0b7..989bbd7c73754 100644 --- a/clang/test/CodeGen/arm-acle-coproc.c +++ b/clang/test/CodeGen/arm-acle-coproc.c @@ -27,6 +27,7 @@ // RUN: %clang_cc1 -triple armv9.5a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s // RUN: %clang_cc1 -triple armv9.6a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s // RUN: %clang_cc1 -triple armv9.7a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s +// RUN: %clang_cc1 -triple armv9.8a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s // RUN: %clang_cc1 -triple thumbv4 %s -E -dD -o - | FileCheck --check-prefix=CHECK-V4-THUMB %s // RUN: %clang_cc1 -triple thumbv4t %s -E -dD -o - | FileCheck --check-prefix=CHECK-V4-THUMB %s // RUN: %clang_cc1 -triple thumbv5 %s -E -dD -o - | FileCheck --check-prefix=CHECK-V5-THUMB %s @@ -58,6 +59,7 @@ // RUN: %clang_cc1 -triple thumbv9.5a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s // RUN: %clang_cc1 -triple thumbv9.6a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s // RUN: %clang_cc1 -triple thumbv9.7a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s +// RUN: %clang_cc1 -triple thumbv9.8a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s // RUN: %clang_cc1 -triple thumbv8m.base %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8-BASE %s // RUN: %clang_cc1 -triple thumbv8m.main %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8-MAIN %s // RUN: %clang_cc1 -triple thumbv8.1m.main %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8-MAIN %s diff --git a/clang/test/Driver/aarch64-v98a.c b/clang/test/Driver/aarch64-v98a.c new file mode 100644 index 0000000000000..b578c577d00a1 --- /dev/null +++ b/clang/test/Driver/aarch64-v98a.c @@ -0,0 +1,19 @@ +// ===== Base v9.8a architecture ===== + +// RUN: %clang -target aarch64 -march=armv9.8a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV98A %s +// RUN: %clang -target aarch64 -march=armv9.8-a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV98A %s +// RUN: %clang -target aarch64 -mlittle-endian -march=armv9.8a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV98A %s +// RUN: %clang -target aarch64 -mlittle-endian -march=armv9.8-a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV98A %s +// RUN: %clang -target aarch64_be -mlittle-endian -march=armv9.8a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV98A %s +// RUN: %clang -target aarch64_be -mlittle-endian -march=armv9.8-a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV98A %s +// GENERICV98A: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "generic" "-target-feature" "+v9.8a"{{.*}} "-target-feature" "+fprcvt"{{.*}} "-target-feature" "+sve2p3"{{.*}} + +// RUN: %clang -target aarch64_be -march=armv9.8a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV98A-BE %s +// RUN: %clang -target aarch64_be -march=armv9.8-a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV98A-BE %s +// RUN: %clang -target aarch64 -mbig-endian -march=armv9.8a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV98A-BE %s +// RUN: %clang -target aarch64 -mbig-endian -march=armv9.8-a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV98A-BE %s +// RUN: %clang -target aarch64_be -mbig-endian -march=armv9.8a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV98A-BE %s +// RUN: %clang -target aarch64_be -mbig-endian -march=armv9.8-a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV98A-BE %s +// GENERICV98A-BE: "-cc1"{{.*}} "-triple" "aarch64_be{{.*}}" "-target-cpu" "generic" "-target-feature" "+v9.8a"{{.*}} "-target-feature" "+fprcvt"{{.*}} "-target-feature" "+sve2p3"{{.*}} + +// ===== Features supported on aarch64 ===== diff --git a/clang/test/Driver/arm-cortex-cpus-1.c b/clang/test/Driver/arm-cortex-cpus-1.c index 08cb63b1a9230..535541bc2706c 100644 --- a/clang/test/Driver/arm-cortex-cpus-1.c +++ b/clang/test/Driver/arm-cortex-cpus-1.c @@ -529,3 +529,19 @@ // RUN: %clang -target arm -march=armebv9.7a -mbig-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-V97A %s // RUN: %clang -target arm -march=armebv9.7-a -mbig-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-V97A %s // CHECK-BE-V97A: "-cc1"{{.*}} "-triple" "armebv9.7{{.*}}" "-target-cpu" "generic" +// +// RUN: %clang -target armv9.8a -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-V98A %s +// RUN: %clang -target arm -march=armv9.8a -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-V98A %s +// RUN: %clang -target arm -march=armv9.8-a -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-V98A %s +// RUN: %clang -target armv9.8a -mlittle-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-V98A %s +// RUN: %clang -target arm -march=armv9.8a -mlittle-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-V98A %s +// RUN: %clang -target arm -march=armv9.8-a -mlittle-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-V98A %s +// CHECK-V98A: "-cc1"{{.*}} "-triple" "armv9.8{{.*}}" "-target-cpu" "generic" + +// RUN: %clang -target armebv9.8a -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-V98A %s +// RUN: %clang -target armv9.8a -mbig-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-V98A %s +// RUN: %clang -target armeb -march=armebv9.8a -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-V98A %s +// RUN: %clang -target armeb -march=armebv9.8-a -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-V98A %s +// RUN: %clang -target arm -march=armebv9.8a -mbig-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-V98A %s +// RUN: %clang -target arm -march=armebv9.8-a -mbig-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-V98A %s +// CHECK-BE-V98A: "-cc1"{{.*}} "-triple" "armebv9.8{{.*}}" "-target-cpu" "generic" diff --git a/clang/test/Preprocessor/aarch64-target-features.c b/clang/test/Preprocessor/aarch64-target-features.c index a3ded91d5695f..5a7ada1a78fdc 100644 --- a/clang/test/Preprocessor/aarch64-target-features.c +++ b/clang/test/Preprocessor/aarch64-target-features.c @@ -217,6 +217,7 @@ // RUN: %clang -target aarch64-none-linux-gnu -march=armv9.5-a -x c -E -dM %s -o - | FileCheck --check-prefix=CHECK-SVE2 %s // RUN: %clang -target aarch64-none-linux-gnu -march=armv9.6-a -x c -E -dM %s -o - | FileCheck --check-prefix=CHECK-SVE2 %s // RUN: %clang -target aarch64-none-linux-gnu -march=armv9.7-a -x c -E -dM %s -o - | FileCheck --check-prefix=CHECK-SVE2 %s +// RUN: %clang -target aarch64-none-linux-gnu -march=armv9.8-a -x c -E -dM %s -o - | FileCheck --check-prefix=CHECK-SVE2 %s // RUN: %clang -target aarch64-none-linux-gnu -march=armv9-a+sve2 -x c -E -dM %s -o - | FileCheck --check-prefix=CHECK-SVE2 %s // CHECK-SVE2: __ARM_FEATURE_FP16_SCALAR_ARITHMETIC 1 // CHECK-SVE2: __ARM_FEATURE_FP16_VECTOR_ARITHMETIC 1 @@ -698,6 +699,7 @@ // RUN: %clang -target aarch64-none-elf -march=armv9.5-a -x c -E -dM %s -o - | FileCheck --check-prefixes=CHECK-V81-OR-LATER,CHECK-V83-OR-LATER,CHECK-V85-OR-LATER %s // RUN: %clang -target aarch64-none-elf -march=armv9.6-a -x c -E -dM %s -o - | FileCheck --check-prefixes=CHECK-V81-OR-LATER,CHECK-V83-OR-LATER,CHECK-V85-OR-LATER %s // RUN: %clang -target aarch64-none-elf -march=armv9.7-a -x c -E -dM %s -o - | FileCheck --check-prefixes=CHECK-V81-OR-LATER,CHECK-V83-OR-LATER,CHECK-V85-OR-LATER %s +// RUN: %clang -target aarch64-none-elf -march=armv9.8-a -x c -E -dM %s -o - | FileCheck --check-prefixes=CHECK-V81-OR-LATER,CHECK-V83-OR-LATER,CHECK-V85-OR-LATER %s // CHECK-V81-OR-LATER: __ARM_FEATURE_ATOMICS 1 // CHECK-V85-OR-LATER: __ARM_FEATURE_BTI 1 // CHECK-V83-OR-LATER: __ARM_FEATURE_COMPLEX 1 diff --git a/clang/test/Preprocessor/arm-target-features.c b/clang/test/Preprocessor/arm-target-features.c index 689cd8184fd3b..9db77507ab327 100644 --- a/clang/test/Preprocessor/arm-target-features.c +++ b/clang/test/Preprocessor/arm-target-features.c @@ -939,6 +939,11 @@ // CHECK-V97A: #define __ARM_ARCH_9_7A__ 1 // CHECK-V97A: #define __ARM_ARCH_PROFILE 'A' +// RUN: %clang -target armv9.8a-none-none-eabi -x c -E -dM %s -o - | FileCheck -match-full-lines --check-prefix=CHECK-V98A %s +// CHECK-V98A: #define __ARM_ARCH 9 +// CHECK-V98A: #define __ARM_ARCH_9_8A__ 1 +// CHECK-V98A: #define __ARM_ARCH_PROFILE 'A' + // RUN: %clang -target arm-none-none-eabi -march=armv7-m -mfpu=softvfp -x c -E -dM %s -o - | FileCheck --check-prefix=CHECK-SOFTVFP %s // CHECK-SOFTVFP-NOT: #define __ARM_FP 0x diff --git a/llvm/docs/ReleaseNotes.md b/llvm/docs/ReleaseNotes.md index 7c09b303442a3..8b45d4a4b5256 100644 --- a/llvm/docs/ReleaseNotes.md +++ b/llvm/docs/ReleaseNotes.md @@ -234,6 +234,9 @@ Makes programs 10x faster by doing Special New Thing. ### Changes to the AArch64 Backend +* Assembler/disassembler support has been added for Armv9.8-A (2026) + architecture extensions. + ### Changes to the AMDGPU Backend * Replaced `xnack` and `sramecc` target features with `amdgpu.xnack` diff --git a/llvm/include/llvm/TargetParser/AArch64TargetParser.h b/llvm/include/llvm/TargetParser/AArch64TargetParser.h index 7dfd4f6678240..51ea58a3ec413 100644 --- a/llvm/include/llvm/TargetParser/AArch64TargetParser.h +++ b/llvm/include/llvm/TargetParser/AArch64TargetParser.h @@ -124,9 +124,9 @@ struct ArchInfo { // Defines the following partial order, indicating when an architecture is // a superset of another: // - // v9.7a > v9.6a > v9.5a > v9.4a > v9.3a > v9.2a > v9.1a > v9a; - // v v v v v - // v8.9a > v8.8a > v8.7a > v8.6a > v8.5a > ... > v8a; + // v9.8a > v9.7a > v9.6a > v9.5a > v9.4a > v9.3a > v9.2a > v9.1a > v9a; + // v v v v v + // v8.9a > v8.8a > v8.7a > v8.6a > v8.5a > ... // // v8r has no relation to anything. This is used to determine which // features to enable for a given architecture. See diff --git a/llvm/include/llvm/TargetParser/ARMTargetParser.def b/llvm/include/llvm/TargetParser/ARMTargetParser.def index 27dbfcaf07b42..f3aab7cd34da9 100644 --- a/llvm/include/llvm/TargetParser/ARMTargetParser.def +++ b/llvm/include/llvm/TargetParser/ARMTargetParser.def @@ -192,6 +192,11 @@ ARM_ARCH("armv9.7-a", ARMV9_7A, "9.7-A", "+v9.7a", ARMBuildAttrs::CPUArch::v9_A, (ARM::AEK_SEC | ARM::AEK_MP | ARM::AEK_VIRT | ARM::AEK_HWDIVARM | ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP | ARM::AEK_CRC | ARM::AEK_RAS | ARM::AEK_DOTPROD | ARM::AEK_BF16 | ARM::AEK_I8MM)) +ARM_ARCH("armv9.8-a", ARMV9_8A, "9.8-A", "+v9.8a", ARMBuildAttrs::CPUArch::v9_A, + FK_NEON_FP_ARMV8, + (ARM::AEK_SEC | ARM::AEK_MP | ARM::AEK_VIRT | ARM::AEK_HWDIVARM | + ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP | ARM::AEK_CRC | ARM::AEK_RAS | + ARM::AEK_DOTPROD | ARM::AEK_BF16 | ARM::AEK_I8MM)) ARM_ARCH("armv8-r", ARMV8R, "8-R", "+v8r", ARMBuildAttrs::CPUArch::v8_R, FK_FPV5_SP_D16, (ARM::AEK_MP | ARM::AEK_VIRT | ARM::AEK_HWDIVARM | diff --git a/llvm/include/llvm/TargetParser/Triple.h b/llvm/include/llvm/TargetParser/Triple.h index 98760af2ac296..6fb2904def2e5 100644 --- a/llvm/include/llvm/TargetParser/Triple.h +++ b/llvm/include/llvm/TargetParser/Triple.h @@ -120,6 +120,7 @@ class Triple { enum SubArchType { NoSubArch, + ARMSubArch_v9_8a, ARMSubArch_v9_7a, ARMSubArch_v9_6a, ARMSubArch_v9_5a, diff --git a/llvm/lib/Target/AArch64/AArch64Features.td b/llvm/lib/Target/AArch64/AArch64Features.td index 440151ae6f4e1..cda947c1bbea0 100644 --- a/llvm/lib/Target/AArch64/AArch64Features.td +++ b/llvm/lib/Target/AArch64/AArch64Features.td @@ -617,6 +617,10 @@ def FeatureF16F32DOT : ExtensionWithMArch<"f16f32dot", "F16F32DOT", "FEAT_F16F32 def FeatureF16F32MM : ExtensionWithMArch<"f16f32mm", "F16F32MM", "FEAT_F16F32MM", "Enable Armv9.7-A Advanced SIMD half-precision matrix multiply-accumulate to single-precision", [FeatureNEON, FeatureFullFP16]>; +//===----------------------------------------------------------------------===// +// Armv9.8 Architecture Extensions +//===----------------------------------------------------------------------===// + //===----------------------------------------------------------------------===// // Future Architecture Technologies //===----------------------------------------------------------------------===// @@ -1121,6 +1125,9 @@ def HasV9_7aOps : Architecture64<9, 7, "a", "v9.7a", [HasV9_6aOps, FeatureSVE2p3, FeatureFPRCVT, FeatureF16F32DOT], !listconcat(HasV9_6aOps.DefaultExts, [FeatureSVE2p3, FeatureFPRCVT, FeatureF16F32DOT])>; +def HasV9_8aOps : Architecture64<9, 8, "a", "v9.8a", + [HasV9_7aOps], + HasV9_7aOps.DefaultExts>; def HasV8_0rOps : Architecture64<8, 0, "r", "v8r", [ //v8.1 FeatureCRC, FeaturePAN, FeatureLSE, FeatureCONTEXTIDREL2, diff --git a/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp b/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp index aaa54e658bcc7..b2928485d46ad 100644 --- a/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp +++ b/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp @@ -3797,6 +3797,8 @@ static void setRequiredFeatureString(FeatureBitset FBS, std::string &Str) { Str += "ARMv9.6a"; else if (FBS[AArch64::HasV9_7aOps]) Str += "ARMv9.7a"; + else if (FBS[AArch64::HasV9_8aOps]) + Str += "ARMv9.8a"; else if (FBS[AArch64::HasV8_0rOps]) Str += "ARMv8r"; else { diff --git a/llvm/lib/Target/ARM/ARMArchitectures.td b/llvm/lib/Target/ARM/ARMArchitectures.td index 9e5bf00007f3f..f2a0e29cabf80 100644 --- a/llvm/lib/Target/ARM/ARMArchitectures.td +++ b/llvm/lib/Target/ARM/ARMArchitectures.td @@ -313,6 +313,18 @@ def ARMv97a : Architecture<"armv9.7-a", "ARMv97a", [HasV9_7aOps, FeatureCRC, FeatureRAS, FeatureDotProd]>; +def ARMv98a : Architecture<"armv9.8-a", "ARMv98a", [HasV9_8aOps, + FeatureAClass, + FeatureDB, + FeatureFPARMv8, + FeatureNEON, + FeatureDSP, + FeatureTrustZone, + FeatureMP, + FeatureVirtualization, + FeatureCRC, + FeatureRAS, + FeatureDotProd]>; def ARMv8r : Architecture<"armv8-r", "ARMv8r", [HasV8Ops, FeatureRClass, FeatureDB, diff --git a/llvm/lib/Target/ARM/ARMFeatures.td b/llvm/lib/Target/ARM/ARMFeatures.td index 3797ae45a1f1e..581f8c9590e4d 100644 --- a/llvm/lib/Target/ARM/ARMFeatures.td +++ b/llvm/lib/Target/ARM/ARMFeatures.td @@ -769,6 +769,11 @@ def HasV9_7aOps : SubtargetFeature<"v9.7a", "HasV9_7aOps", "true", "Support ARM v9.7a instructions", [HasV9_6aOps]>; +// Armv9.8-A is a v9-only architecture. +def HasV9_8aOps : SubtargetFeature<"v9.8a", "HasV9_8aOps", "true", + "Support ARM v9.8a instructions", + [HasV9_7aOps]>; + def HasV8_1MMainlineOps : SubtargetFeature< "v8.1m.main", "HasV8_1MMainlineOps", "true", "Support ARM v8-1M Mainline instructions", diff --git a/llvm/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp b/llvm/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp index 0397eef92c856..f51a8fd890f3e 100644 --- a/llvm/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp +++ b/llvm/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp @@ -902,6 +902,7 @@ void ARMTargetELFStreamer::emitArchDefaultAttributes() { case ARM::ArchKind::ARMV9_5A: case ARM::ArchKind::ARMV9_6A: case ARM::ArchKind::ARMV9_7A: + case ARM::ArchKind::ARMV9_8A: S.setAttributeItem(CPU_arch_profile, ApplicationProfile, false); S.setAttributeItem(ARM_ISA_use, Allowed, false); S.setAttributeItem(THUMB_ISA_use, AllowThumb32, false); diff --git a/llvm/lib/TargetParser/ARMTargetParser.cpp b/llvm/lib/TargetParser/ARMTargetParser.cpp index 0da4c2a524b31..783150eef34f5 100644 --- a/llvm/lib/TargetParser/ARMTargetParser.cpp +++ b/llvm/lib/TargetParser/ARMTargetParser.cpp @@ -88,6 +88,7 @@ unsigned ARM::parseArchVersion(StringRef Arch) { case ArchKind::ARMV9_5A: case ArchKind::ARMV9_6A: case ArchKind::ARMV9_7A: + case ArchKind::ARMV9_8A: return 9; case ArchKind::INVALID: return 0; @@ -128,6 +129,7 @@ static ARM::ProfileKind getProfileKind(ARM::ArchKind AK) { case ARM::ArchKind::ARMV9_5A: case ARM::ArchKind::ARMV9_6A: case ARM::ArchKind::ARMV9_7A: + case ARM::ArchKind::ARMV9_8A: return ARM::ProfileKind::A; case ARM::ArchKind::ARMV4: case ARM::ArchKind::ARMV4T: diff --git a/llvm/lib/TargetParser/ARMTargetParserCommon.cpp b/llvm/lib/TargetParser/ARMTargetParserCommon.cpp index 6d824c78cab97..818fb64d2e10d 100644 --- a/llvm/lib/TargetParser/ARMTargetParserCommon.cpp +++ b/llvm/lib/TargetParser/ARMTargetParserCommon.cpp @@ -47,6 +47,7 @@ StringRef ARM::getArchSynonym(StringRef Arch) { .Case("v9.5a", "v9.5-a") .Case("v9.6a", "v9.6-a") .Case("v9.7a", "v9.7-a") + .Case("v9.8a", "v9.8-a") .Case("v8m.base", "v8-m.base") .Case("v8m.main", "v8-m.main") .Case("v8.1m.main", "v8.1-m.main") diff --git a/llvm/lib/TargetParser/Triple.cpp b/llvm/lib/TargetParser/Triple.cpp index ef480281700f4..4d17c36917f16 100644 --- a/llvm/lib/TargetParser/Triple.cpp +++ b/llvm/lib/TargetParser/Triple.cpp @@ -933,6 +933,8 @@ Triple::SubArchType Triple::parseSubArch(StringRef SubArchName) { return Triple::ARMSubArch_v9_6a; case ARM::ArchKind::ARMV9_7A: return Triple::ARMSubArch_v9_7a; + case ARM::ArchKind::ARMV9_8A: + return Triple::ARMSubArch_v9_8a; case ARM::ArchKind::ARMV8R: return Triple::ARMSubArch_v8r; case ARM::ArchKind::ARMV8MBaseline: diff --git a/llvm/unittests/TargetParser/TargetParserTest.cpp b/llvm/unittests/TargetParser/TargetParserTest.cpp index 78a13daac2867..f304722cffd7f 100644 --- a/llvm/unittests/TargetParser/TargetParserTest.cpp +++ b/llvm/unittests/TargetParser/TargetParserTest.cpp @@ -50,7 +50,7 @@ const char *ARMArch[] = { "armv9-a", "armv9", "armv9a", "armv9.1-a", "armv9.1a", "armv9.2-a", "armv9.2a", "armv9.3-a", "armv9.3a", "armv9.4-a", "armv9.4a", "armv9.5-a", "armv9.5a", "armv9.6a", "armv9.6-a", - "armv9.7a", "armv9.7-a", + "armv9.7a", "armv9.7-a", "armv9.8a", "armv9.8-a", }; std::string FormatExtensionFlags(int64_t Flags) { @@ -664,6 +664,8 @@ TEST(TargetParserTest, testARMArch) { ARMBuildAttrs::CPUArch::v9_A)); EXPECT_TRUE(testARMArch("armv9.7-a", "generic", "v9.7a", ARMBuildAttrs::CPUArch::v9_A)); + EXPECT_TRUE(testARMArch("armv9.8-a", "generic", "v9.8a", + ARMBuildAttrs::CPUArch::v9_A)); EXPECT_TRUE( testARMArch("armv8-r", "generic", "v8r", ARMBuildAttrs::CPUArch::v8_R)); EXPECT_TRUE(testARMArch("armv8-m.base", "generic", "v8m.base", @@ -978,6 +980,7 @@ TEST(TargetParserTest, ARMparseArchProfile) { case ARM::ArchKind::ARMV9_5A: case ARM::ArchKind::ARMV9_6A: case ARM::ArchKind::ARMV9_7A: + case ARM::ArchKind::ARMV9_8A: EXPECT_EQ(ARM::ProfileKind::A, ARM::parseArchProfile(ARMArch[i])); break; default: @@ -1347,6 +1350,7 @@ TEST(TargetParserTest, testAArch64Arch) { EXPECT_TRUE(testAArch64Arch("armv9.5-a")); EXPECT_TRUE(testAArch64Arch("armv9.6-a")); EXPECT_TRUE(testAArch64Arch("armv9.7-a")); + EXPECT_TRUE(testAArch64Arch("armv9.8-a")); } bool testAArch64Extension(StringRef CPUName, StringRef ArchExt) { @@ -1652,6 +1656,7 @@ TEST(TargetParserTest, AArch64ArchFeatures) { EXPECT_EQ(AArch64::StrTab[AArch64::ARMV9_5A.ArchFeature], "+v9.5a"); EXPECT_EQ(AArch64::StrTab[AArch64::ARMV9_6A.ArchFeature], "+v9.6a"); EXPECT_EQ(AArch64::StrTab[AArch64::ARMV9_7A.ArchFeature], "+v9.7a"); + EXPECT_EQ(AArch64::StrTab[AArch64::ARMV9_8A.ArchFeature], "+v9.8a"); EXPECT_EQ(AArch64::StrTab[AArch64::ARMV8R.ArchFeature], "+v8r"); } @@ -1682,7 +1687,7 @@ TEST(TargetParserTest, AArch64ArchPartialOrder) { for (const auto *A : {&AArch64::ARMV9_1A, &AArch64::ARMV9_2A, &AArch64::ARMV9_3A, &AArch64::ARMV9_4A, &AArch64::ARMV9_5A, &AArch64::ARMV9_6A, - &AArch64::ARMV9_7A}) + &AArch64::ARMV9_7A, &AArch64::ARMV9_8A}) EXPECT_TRUE(A->implies(AArch64::ARMV9A)); EXPECT_TRUE(AArch64::ARMV8_1A.implies(AArch64::ARMV8A)); @@ -1702,6 +1707,7 @@ TEST(TargetParserTest, AArch64ArchPartialOrder) { EXPECT_TRUE(AArch64::ARMV9_5A.implies(AArch64::ARMV9_4A)); EXPECT_TRUE(AArch64::ARMV9_6A.implies(AArch64::ARMV9_5A)); EXPECT_TRUE(AArch64::ARMV9_7A.implies(AArch64::ARMV9_6A)); + EXPECT_TRUE(AArch64::ARMV9_8A.implies(AArch64::ARMV9_7A)); EXPECT_TRUE(AArch64::ARMV9A.implies(AArch64::ARMV8_5A)); EXPECT_TRUE(AArch64::ARMV9_1A.implies(AArch64::ARMV8_6A)); 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