Author: AdityaK Date: 2024-03-20T10:15:23-07:00 New Revision: b20360abeb3a80281dc082f1e093abd13cb1ee4c
URL: https://github.com/llvm/llvm-project/commit/b20360abeb3a80281dc082f1e093abd13cb1ee4c DIFF: https://github.com/llvm/llvm-project/commit/b20360abeb3a80281dc082f1e093abd13cb1ee4c.diff LOG: clang driver: enable fast unaligned access for Android on RISCV64 (#85704) Android CTS test already requires fast unaligned access https://android-review.googlesource.com/c/platform/cts/+/2675633 Added: Modified: clang/lib/Driver/ToolChains/Arch/RISCV.cpp clang/test/Driver/riscv-features.c Removed: ################################################################################ diff --git a/clang/lib/Driver/ToolChains/Arch/RISCV.cpp b/clang/lib/Driver/ToolChains/Arch/RISCV.cpp index 5165bccc6d7e30..b1dd7c4372d475 100644 --- a/clang/lib/Driver/ToolChains/Arch/RISCV.cpp +++ b/clang/lib/Driver/ToolChains/Arch/RISCV.cpp @@ -167,6 +167,10 @@ void riscv::getRISCVTargetFeatures(const Driver &D, const llvm::Triple &Triple, Features.push_back("-relax"); } + // Android requires fast unaligned access on RISCV64. + if (Triple.isAndroid()) + Features.push_back("+fast-unaligned-access"); + // -mstrict-align is default, unless -mno-strict-align is specified. AddTargetFeature(Args, Features, options::OPT_mno_strict_align, options::OPT_mstrict_align, "fast-unaligned-access"); diff --git a/clang/test/Driver/riscv-features.c b/clang/test/Driver/riscv-features.c index fe74ac773ef8ca..052956dfa2dcea 100644 --- a/clang/test/Driver/riscv-features.c +++ b/clang/test/Driver/riscv-features.c @@ -1,7 +1,9 @@ // RUN: %clang --target=riscv32-unknown-elf -### %s -fsyntax-only 2>&1 | FileCheck %s // RUN: %clang --target=riscv64-unknown-elf -### %s -fsyntax-only 2>&1 | FileCheck %s -// RUN: %clang --target=riscv64-linux-android -### %s -fsyntax-only 2>&1 | FileCheck %s -check-prefixes=ANDROID,DEFAULT -// RUN: %clang -mabi=lp64d --target=riscv64-linux-android -### %s -fsyntax-only 2>&1 | FileCheck %s -check-prefixes=ANDROID,DEFAULT +// RUN: %clang --target=riscv64-linux-android -### %s -fsyntax-only 2>&1 | FileCheck %s -check-prefixes=ANDROID,DEFAULT,FAST-UNALIGNED-ACCESS +// RUN: %clang -mabi=lp64d --target=riscv64-linux-android -### %s -fsyntax-only 2>&1 | FileCheck %s -check-prefixes=ANDROID,DEFAULT,FAST-UNALIGNED-ACCESS +// RUN: %clang -mabi=lp64d --target=riscv64-linux-android -mstrict-align -### %s -fsyntax-only 2>&1 | FileCheck %s -check-prefixes=NO-FAST-UNALIGNED-ACCESS + // CHECK: fno-signed-char _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
