https://github.com/pzhengqc created https://github.com/llvm/llvm-project/pull/182220
Support for the `-fmultilib-flag` option has been added to AArch64/ARM. This patch extends the support of the flag to RISC-V. >From 028cd1bf8bde26c8eec7543e0084a580cc96580c Mon Sep 17 00:00:00 2001 From: Pengxuan Zheng <[email protected]> Date: Wed, 18 Feb 2026 21:11:43 -0800 Subject: [PATCH] [Multilib] Extend support for -fmultilib-flag to RISC-V Support for the `-fmultilib-flag` option has been added to AArch64/ARM. This patch extends the support of the flag to RISC-V. --- clang/lib/Driver/ToolChain.cpp | 6 ++---- clang/test/Driver/print-multi-selection-flags.c | 2 ++ 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/clang/lib/Driver/ToolChain.cpp b/clang/lib/Driver/ToolChain.cpp index 0eee7f917d2b8..71b1ece1880b4 100644 --- a/clang/lib/Driver/ToolChain.cpp +++ b/clang/lib/Driver/ToolChain.cpp @@ -229,8 +229,6 @@ static void getAArch64MultilibFlags(const Driver &D, break; } } - - processMultilibCustomFlags(Result, Args); } static void getARMMultilibFlags(const Driver &D, const llvm::Triple &Triple, @@ -319,8 +317,6 @@ static void getARMMultilibFlags(const Driver &D, const llvm::Triple &Triple, break; } } - - processMultilibCustomFlags(Result, Args); } static void getRISCVMultilibFlags(const Driver &D, const llvm::Triple &Triple, @@ -378,6 +374,8 @@ ToolChain::getMultilibFlags(const llvm::opt::ArgList &Args) const { break; } + processMultilibCustomFlags(Result, Args); + // Include fno-exceptions and fno-rtti // to improve multilib selection if (getRTTIMode() == ToolChain::RTTIMode::RM_Disabled) diff --git a/clang/test/Driver/print-multi-selection-flags.c b/clang/test/Driver/print-multi-selection-flags.c index b1a0a29ec4180..4a98e7c5e9904 100644 --- a/clang/test/Driver/print-multi-selection-flags.c +++ b/clang/test/Driver/print-multi-selection-flags.c @@ -103,8 +103,10 @@ // RUN: %clang -multi-lib-config=%S/Inputs/multilib/multilib-custom-flags.yaml -print-multi-flags-experimental --target=armv8m.main-none-eabi -fmultilib-flag=foo -fmultilib-flag=bar | FileCheck --check-prefixes=CHECK-MULTILIB-CUSTOM-FLAG,CHECK-ARM-MULTILIB-CUSTOM-FLAG %s // RUN: %clang -multi-lib-config=%S/Inputs/multilib/multilib-custom-flags.yaml -print-multi-flags-experimental --target=aarch64-none-eabi -fmultilib-flag=foo -fmultilib-flag=bar | FileCheck --check-prefixes=CHECK-MULTILIB-CUSTOM-FLAG,CHECK-AARCH64-MULTILIB-CUSTOM-FLAG %s +// RUN: %clang -multi-lib-config=%S/Inputs/multilib/multilib-custom-flags.yaml -print-multi-flags-experimental --target=riscv64-none-elf -fmultilib-flag=foo -fmultilib-flag=bar | FileCheck --check-prefixes=CHECK-MULTILIB-CUSTOM-FLAG,CHECK-RISCV-MULTILIB-CUSTOM-FLAG %s // CHECK-ARM-MULTILIB-CUSTOM-FLAG: --target=thumbv8m.main-unknown-none-eabi // CHECK-AARCH64-MULTILIB-CUSTOM-FLAG: --target=aarch64-unknown-none-eabi +// CHECK-RISCV-MULTILIB-CUSTOM-FLAG: --target=riscv64-unknown-none-elf // CHECK-MULTILIB-CUSTOM-FLAG-DAG: -fmultilib-flag=foo // CHECK-MULTILIB-CUSTOM-FLAG-DAG: -fmultilib-flag=bar _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
