diff --git a/clang/lib/Basic/Targets/AArch64.h b/clang/lib/Basic/Targets/AArch64.h --- a/clang/lib/Basic/Targets/AArch64.h +++ b/clang/lib/Basic/Targets/AArch64.h @@ -54,6 +54,7 @@ bool HasLSE; bool HasFlagM; bool HasMOPS; + bool HasRCPC; llvm::AArch64::ArchKind ArchKind; diff --git a/clang/lib/Basic/Targets/AArch64.cpp b/clang/lib/Basic/Targets/AArch64.cpp --- a/clang/lib/Basic/Targets/AArch64.cpp +++ b/clang/lib/Basic/Targets/AArch64.cpp @@ -341,6 +341,9 @@ if (HasCRC) Builder.defineMacro("__ARM_FEATURE_CRC32", "1"); + if (HasRCPC) + Builder.defineMacro("__ARM_FEATURE_RCPC", "1"); + // The __ARM_FEATURE_CRYPTO is deprecated in favor of finer grained feature // macros for AES, SHA2, SHA3 and SM4 if (HasAES && HasSHA2) @@ -544,6 +547,7 @@ HasMatmulFP32 = false; HasLSE = false; HasMOPS = false; + HasRCPC = false; ArchKind = llvm::AArch64::ArchKind::INVALID; @@ -593,6 +597,8 @@ } if (Feature == "+crc") HasCRC = true; + if (Feature == "+rcpc") + HasRCPC = true; if (Feature == "+aes") HasAES = true; if (Feature == "+sha2") diff --git a/clang/test/Preprocessor/aarch64-target-features.c b/clang/test/Preprocessor/aarch64-target-features.c --- a/clang/test/Preprocessor/aarch64-target-features.c +++ b/clang/test/Preprocessor/aarch64-target-features.c @@ -26,6 +26,7 @@ // CHECK: __ARM_FEATURE_IDIV 1 // CHECK: __ARM_FEATURE_LDREX 0xF // CHECK: __ARM_FEATURE_NUMERIC_MAXMIN 1 +// CHECK-NOT: __ARM_FEATURE_RCPC 1 // CHECK-NOT: __ARM_FEATURE_SHA2 1 // CHECK-NOT: __ARM_FEATURE_SHA3 1 // CHECK-NOT: __ARM_FEATURE_SHA512 1 @@ -561,3 +562,6 @@ // CHECK-BEFORE-V83-NOT: __ARM_FEATURE_COMPLEX 1 // CHECK-BEFORE-V83-NOT: __ARM_FEATURE_JCVT 1 // CHECK-BEFORE-V85-NOT: __ARM_FEATURE_FRINT 1 + +// RUN: %clang -target=aarch64-none-linux-gnu -march=armv8.2-a+rcpc -x c -E -dM %s -o - | FileCheck --check-prefix=CHECK-RCPC %s +// CHECK-RCPC: __ARM_FEATURE_RCPC 1