https://github.com/rorth created https://github.com/llvm/llvm-project/pull/149990
Prompted by PR #149652, this patch changes the Solaris/SPARC default to -mcpu, matching both the Oracle Studio 12.6 compilers and GCC 16: [[PATCH] Default to -mcpu=ultrasparc3 on Solaris/SPARC](https://gcc.gnu.org/pipermail/gcc-patches/2025-July/690191.html). This is equivalent to enabling the `vis2` feature. Tested on `sparcv9-sun-solaris2.11` and `sparc64-unknown-linux-gnu`. >From 95dc034c5d1ed86258efb417f5513ff089acfc61 Mon Sep 17 00:00:00 2001 From: Rainer Orth <r...@gcc.gnu.org> Date: Tue, 22 Jul 2025 11:54:08 +0200 Subject: [PATCH] [Driver] Default to -mcpu=ultrasparc3 on Solaris/SPARC Prompted by PR #149652, this patch changes the Solaris/SPARC default to -mcpu, matching both the Oracle Studio 12.6 compilers and GCC 16: [[PATCH] Default to -mcpu=ultrasparc3 on Solaris/SPARC](https://gcc.gnu.org/pipermail/gcc-patches/2025-July/690191.html). This is equivalent to enabling the `vis2` feature. Tested on `sparcv9-sun-solaris2.11` and `sparc64-unknown-linux-gnu`. --- clang/lib/Driver/ToolChains/Arch/Sparc.cpp | 7 ++++++- clang/test/Driver/sparc-target-features.c | 5 +++++ 2 files changed, 11 insertions(+), 1 deletion(-) diff --git a/clang/lib/Driver/ToolChains/Arch/Sparc.cpp b/clang/lib/Driver/ToolChains/Arch/Sparc.cpp index 504f110eac87c..33331351244e1 100644 --- a/clang/lib/Driver/ToolChains/Arch/Sparc.cpp +++ b/clang/lib/Driver/ToolChains/Arch/Sparc.cpp @@ -23,7 +23,9 @@ const char *sparc::getSparcAsmModeForCPU(StringRef Name, if (Triple.getArch() == llvm::Triple::sparcv9) { const char *DefV9CPU; - if (Triple.isOSLinux() || Triple.isOSFreeBSD() || Triple.isOSOpenBSD()) + if (Triple.isOSSolaris()) + DefV9CPU = "-Av9b"; + else if (Triple.isOSLinux() || Triple.isOSFreeBSD() || Triple.isOSOpenBSD()) DefV9CPU = "-Av9a"; else DefV9CPU = "-Av9"; @@ -157,6 +159,7 @@ void sparc::getSparcTargetFeatures(const Driver &D, const llvm::Triple &Triple, bool IsSparcV9ATarget = (Triple.getArch() == llvm::Triple::sparcv9) && (Triple.isOSLinux() || Triple.isOSFreeBSD() || Triple.isOSOpenBSD()); + bool IsSparcV9BTarget = Triple.isOSSolaris(); if (Arg *A = Args.getLastArg(options::OPT_mvis, options::OPT_mno_vis)) { if (A->getOption().matches(options::OPT_mvis)) Features.push_back("+vis"); @@ -171,6 +174,8 @@ void sparc::getSparcTargetFeatures(const Driver &D, const llvm::Triple &Triple, Features.push_back("+vis2"); else Features.push_back("-vis2"); + } else if (IsSparcV9BTarget) { + Features.push_back("+vis2"); } if (Arg *A = Args.getLastArg(options::OPT_mvis3, options::OPT_mno_vis3)) { diff --git a/clang/test/Driver/sparc-target-features.c b/clang/test/Driver/sparc-target-features.c index a839604ff1bc0..48a180caf259b 100644 --- a/clang/test/Driver/sparc-target-features.c +++ b/clang/test/Driver/sparc-target-features.c @@ -20,6 +20,11 @@ // RUN: %clang --target=sparc -mvis2 %s -### 2>&1 | FileCheck -check-prefix=VIS2 %s // RUN: %clang --target=sparc -mno-vis2 %s -### 2>&1 | FileCheck -check-prefix=NO-VIS2 %s +/// Solaris/SPARC defaults to -mvis2 +// RUN: %clang --target=sparc-sun-solaris2.11 %s -### 2>&1 | FileCheck -check-prefix=VIS2 %s +// RUN: %clang --target=sparc-sun-solaris2.11 -mno-vis2 %s -### 2>&1 | FileCheck -check-prefix=NO-VIS2 %s +// RUN: %clang --target=sparcv9-sun-solaris2.11 %s -### 2>&1 | FileCheck -check-prefix=VIS2 %s +// RUN: %clang --target=sparcv9-sun-solaris2.11 -mno-vis2 %s -### 2>&1 | FileCheck -check-prefix=NO-VIS2 %s // VIS2: "-target-feature" "+vis2" // NO-VIS2: "-target-feature" "-vis2" _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
