[clang] [Clang][AArch64] Add ACLE macros to support Armv9.6 (PR #176755)

[Jonathan Thackray via cfe-commits]

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@@ -790,3 +790,46 @@
 // CHECK-SMEF8F16: __ARM_FEATURE_FP8 1
 // CHECK-SMEF8F16: __ARM_FEATURE_SME2 1
 // CHECK-SMEF8F16: __ARM_FEATURE_SME_F8F16 1
+
+//  RUN: %clang --target=aarch64 -march=armv9-a+fprcvt -x c -E -dM %s -o - | FileCheck --check-prefix=CHECK-FPRCVT %s
+// CHECK-FPRCVT: __ARM_FEATURE_FPRCVT 1
+
+//  RUN: %clang --target=aarch64 -march=armv9-a+f8f16mm -x c -E -dM %s -o - | FileCheck --check-prefix=CHECK-F8F16MM %s
+//  CHECK-F8F16MM: __ARM_FEATURE_F8F16MM 1
+//  CHECK-F8F16MM: __ARM_FEATURE_FP8 1
+
+//  RUN: %clang --target=aarch64 -march=armv9-a+f8f32mm -x c -E -dM %s -o - | FileCheck --check-prefix=CHECK-F8F32MM %s
+//  CHECK-F8F32MM: __ARM_FEATURE_F8F32MM 1
+//  CHECK-F8F32MM: __ARM_FEATURE_FP8 1
+
+//  RUN: %clang --target=aarch64 -march=armv9-a+sve-f16f32mm -x c -E -dM %s -o - | FileCheck --check-prefix=CHECK-SVE-F16F32MM %s
+//  CHECK-SVE-F16F32MM: __ARM_FEATURE_SVE 1
+//  CHECK-SVE-F16F32MM: __ARM_FEATURE_SVE_F16F32MM 1
+
+//  RUN: %clang --target=aarch64 -march=armv9-a+sve-bfscale -x c -E -dM %s -o - | FileCheck --check-prefix=CHECK-SVE-BFSCALE %s
+//  CHECK-SVE-BFSCALE: __ARM_FEATURE_SVE_BFSCALE 1
+
+//  RUN: %clang --target=aarch64 -march=armv9-a+sve-aes2 -x c -E -dM %s -o - | FileCheck --check-prefix=CHECK-SVE-AES2 %s
+//  CHECK-SVE-AES2: __ARM_FEATURE_SVE_AES2 1
+
+//  RUN: %clang --target=aarch64 -march=armv9-a+ssve-aes -x c -E -dM %s -o - | FileCheck --check-prefix=CHECK-SSVE-AES %s
+//  CHECK-SSVE-AES: __ARM_FEATURE_SME2 1
+//  CHECK-SSVE-AES: __ARM_FEATURE_SSVE_AES
----------------
jthackray wrote:

Yep, agreed, should add the missing `1` here.

https://github.com/llvm/llvm-project/pull/176755