Author: Bryan Chan Date: 2023-07-20T06:06:37-04:00 New Revision: 2c38740ca661a10866a796db105752e15372ddce
URL: https://github.com/llvm/llvm-project/commit/2c38740ca661a10866a796db105752e15372ddce DIFF: https://github.com/llvm/llvm-project/commit/2c38740ca661a10866a796db105752e15372ddce.diff LOG: [Clang][AArch64][SME] Generate target features from +(no)sme.* options Reviewed By: sdesmalen Differential Revision: https://reviews.llvm.org/D142702 Added: clang/test/Driver/aarch64-implied-sme-features.c Modified: clang/lib/Driver/ToolChains/Arch/AArch64.cpp Removed: ################################################################################ diff --git a/clang/lib/Driver/ToolChains/Arch/AArch64.cpp b/clang/lib/Driver/ToolChains/Arch/AArch64.cpp index 35470316357951..507ad924770410 100644 --- a/clang/lib/Driver/ToolChains/Arch/AArch64.cpp +++ b/clang/lib/Driver/ToolChains/Arch/AArch64.cpp @@ -82,6 +82,25 @@ static bool DecodeAArch64Features(const Driver &D, StringRef text, else return false; + // +sme implies +bf16. + // +sme-f64f64 and +sme-i16i64 both imply +sme. + if (Feature == "sme") { + Features.push_back("+bf16"); + } else if (Feature == "nosme") { + Features.push_back("-sme-f64f64"); + Features.push_back("-sme-i16i64"); + } else if (Feature == "sme-f64f64") { + Features.push_back("+sme"); + Features.push_back("+bf16"); + } else if (Feature == "sme-i16i64") { + Features.push_back("+sme"); + Features.push_back("+bf16"); + } else if (Feature == "nobf16") { + Features.push_back("-sme"); + Features.push_back("-sme-f64f64"); + Features.push_back("-sme-i16i64"); + } + if (Feature == "sve2") Features.push_back("+sve"); else if (Feature == "sve2-bitperm" || Feature == "sve2-sha3" || diff --git a/clang/test/Driver/aarch64-implied-sme-features.c b/clang/test/Driver/aarch64-implied-sme-features.c new file mode 100644 index 00000000000000..2277aceb881d73 --- /dev/null +++ b/clang/test/Driver/aarch64-implied-sme-features.c @@ -0,0 +1,49 @@ +// RUN: %clang -target aarch64-linux-gnu -march=armv8-a+sme %s -### 2>&1 | FileCheck %s --check-prefix=SME-IMPLY +// SME-IMPLY: "-target-feature" "+sme" "-target-feature" "+bf16" + +// RUN: %clang -target aarch64-linux-gnu -march=armv8-a+nosme %s -### 2>&1 | FileCheck %s --check-prefix=NOSME +// NOSME: "-target-feature" "-sme" + +// RUN: %clang -target aarch64-linux-gnu -march=armv8-a+sme+nosme %s -### 2>&1 | FileCheck %s --check-prefix=SME-REVERT +// SME-REVERT-NOT: "-target-feature" "+sme" +// SME-REVERT: "-target-feature" "+bf16" "-target-feature" "-sme" "-target-feature" "-sme-f64f64" "-target-feature" "-sme-i16i64" + +// RUN: %clang -target aarch64-linux-gnu -march=armv8-a+sme+nobf16 %s -### 2>&1 | FileCheck %s --check-prefix=SME-CONFLICT +// SME-CONFLICT-NOT: "-target-feature" "+sme" +// SME-CONFLICT-NOT: "-target-feature" "+bf16" +// SME-CONFLICT: "-target-feature" "-bf16" "-target-feature" "-sme" "-target-feature" "-sme-f64f64" "-target-feature" "-sme-i16i64" + +// RUN: %clang -target aarch64-linux-gnu -march=armv8-a+sme-i16i64 %s -### 2>&1 | FileCheck %s --check-prefix=SME-I16I64 +// SME-I16I64: "-target-feature" "+sme-i16i64" "-target-feature" "+sme" "-target-feature" "+bf16" + +// RUN: %clang -target aarch64-linux-gnu -march=armv8-a+nosme-i16i64 %s -### 2>&1 | FileCheck %s --check-prefix=NOSME-I16I64 +// NOSME-I16I64-NOT: "-target-feature" "+sme-i16i64" +// NOSME-I16I64-NOT: "-target-feature" "+sme" +// NOSME-I16I64-NOT: "-target-feature" "+bf16" +// NOSME-I16I64: "-target-feature" "-sme-i16i64" + +// RUN: %clang -target aarch64-linux-gnu -march=armv8-a+sme-i16i64+nosme-i16i64 %s -### 2>&1 | FileCheck %s --check-prefix=SME-I16I64-REVERT +// SME-I16I64-REVERT: "-target-feature" "+sme" "-target-feature" "+bf16" "-target-feature" "-sme-i16i64" + +// RUN: %clang -target aarch64-linux-gnu -march=armv8-a+nosme-f64f64 %s -### 2>&1 | FileCheck %s --check-prefix=NOSME-F64F64 +// NOSME-F64F64-NOT: "-target-feature" "+sme-f64f64" +// NOSME-F64F64-NOT: "-target-feature" "+sme" +// NOSME-F64F64-NOT: "-target-feature" "+bf16" +// NOSME-F64F64: "-target-feature" "-sme-f64f64" + +// RUN: %clang -target aarch64-linux-gnu -march=armv8-a+sme-f64f64+nosme-f64f64 %s -### 2>&1 | FileCheck %s --check-prefix=SME-F64F64-REVERT +// SME-F64F64-REVERT: "-target-feature" "+sme" "-target-feature" "+bf16" "-target-feature" "-sme-f64f64" + +// RUN: %clang -target aarch64-linux-gnu -march=armv8-a+sme-f64f64+nosme-i16i64 %s -### 2>&1 | FileCheck %s --check-prefix=SME-SUBFEATURE-MIX +// SME-SUBFEATURE-MIX: "-target-feature" "+sme-f64f64" "-target-feature" "+sme" "-target-feature" "+bf16" "-target-feature" "-sme-i16i64" + +// RUN: %clang -target aarch64-linux-gnu -march=armv8-a+sme-i16i64+nosme %s -### 2>&1 | FileCheck %s --check-prefix=SME-SUBFEATURE-CONFLICT1 +// SME-SUBFEATURE-CONFLICT1: "-target-feature" "+bf16" "-target-feature" "-sme" "-target-feature" "-sme-f64f64" "-target-feature" "-sme-i16i64" + +// RUN: %clang -target aarch64-linux-gnu -march=armv8-a+sme-f64f64+nobf16 %s -### 2>&1 | FileCheck %s --check-prefix=SME-SUBFEATURE-CONFLICT2 +// SME-SUBFEATURE-CONFLICT2-NOT: "-target-feature" "+bf16" +// SME-SUBFEATURE-CONFLICT2-NOT: "-target-feature" "+sme" +// SME-SUBFEATURE-CONFLICT2-NOT: "-target-feature" "+sme-f64f64" + +// RUN: %clang -target aarch64-linux-gnu -march=armv8-a+nosme+sme-i16i64 %s -### 2>&1 | FileCheck %s --check-prefix=SME-SUBFEATURE-CONFLICT-REV +// SME-SUBFEATURE-CONFLICT-REV: "-target-feature" "-sme-f64f64" "-target-feature" "+sme-i16i64" "-target-feature" "+sme" "-target-feature" "+bf16" _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
