[clang] [llvm] [Clang][AArch64][SVE2p3][SME2p3] Add intrinsics for v9.7a Two-way signed/unsigned absolute difference sum and accumulate long ops (PR #188972)

[via cfe-commits]

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+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 6
+// RUN: %clang_cc1 -triple aarch64 -target-feature +sve -target-feature +sve2 -target-feature +sve2p3 -disable-O0-optnone -Werror -Wall -emit-llvm -o - %s | FileCheck %s
+// RUN: %clang_cc1 -triple aarch64 -target-feature +sve -target-feature +sve2 -target-feature +sve2p3 -disable-O0-optnone -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
+// RUN: %clang_cc1 -triple aarch64 -target-feature +sme                       -target-feature +sme2p3 -disable-O0-optnone -Werror -Wall -emit-llvm -o - %s | FileCheck %s
+// RUN: %clang_cc1 -triple aarch64 -target-feature +sve                       -target-feature +sme2p3 -disable-O0-optnone -Werror -Wall -emit-llvm -o - %s | FileCheck %s
+// RUN: %clang_cc1 -triple aarch64 -target-feature +sme                       -target-feature +sve2p3 -disable-O0-optnone -Werror -Wall -emit-llvm -o - %s | FileCheck %s
+// RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64 -target-feature +sve -target-feature +sve2 -target-feature +sve2p3 -disable-O0-optnone -Werror -Wall -emit-llvm -o - %s | FileCheck %s
+// RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64 -target-feature +sve -target-feature +sve2 -target-feature +sve2p3 -disable-O0-optnone -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
+// RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64 -target-feature +sme                       -target-feature +sme2p3 -disable-O0-optnone -Werror -Wall -emit-llvm -o - %s | FileCheck %s
+// RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64 -target-feature +sve                       -target-feature +sme2p3 -disable-O0-optnone -Werror -Wall -emit-llvm -o - %s | FileCheck %s
+// RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64 -target-feature +sme                       -target-feature +sve2p3 -disable-O0-optnone -Werror -Wall -emit-llvm -o - %s | FileCheck %s
+
+// RUN: %clang_cc1 -triple aarch64 -target-feature +sve -target-feature +sve2 -target-feature +sve2p3 -S -disable-O0-optnone -Werror -Wall -o /dev/null %s
+// RUN: %clang_cc1 -triple aarch64 -target-feature +sme -target-feature +sme2p3 -S -disable-O0-optnone -Werror -Wall -o /dev/null %s
+
+// REQUIRES: aarch64-registered-target
+
+
+#include <arm_sve.h>
+
+#if defined(__ARM_FEATURE_SME) && defined(__ARM_FEATURE_SVE)
+#define ATTR __arm_streaming_compatible
+#elif defined(__ARM_FEATURE_SME)
+#define ATTR __arm_streaming
+#else
+#define ATTR
+#endif
+
+#ifdef SVE_OVERLOADED_FORMS
+// A simple used,unused... macro, long enough to represent any SVE builtin.
+#define SVE_ACLE_FUNC(A1,A2_UNUSED,A3_UNUSED) A1
----------------
CarolineConcatto wrote:

I believe the way you did work, but I would probably do something like#define SVE_ACLE_FUNC(A1,A2_UNUSED) A1
#else
#define SVE_ACLE_FUNC(A1,A2) A1##A2

And bellow I would put together the _n_{d}, like (svabal,_n_s16)

https://github.com/llvm/llvm-project/pull/188972