From 2eb438cac7bdd3abb43ae1a784e8eb20d77cf7b7 Mon Sep 17 00:00:00 2001
From: Richard-Qin-X <richard.qin.001@gmail.com>
Date: Sat, 15 Aug 2026 03:35:54 +0800
Subject: [RISCV] Match explicit target feature semantics

---
 backend/tools/MIRTool/MIRToolMain.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'backend/tools')

diff --git a/backend/tools/MIRTool/MIRToolMain.cpp b/backend/tools/MIRTool/MIRToolMain.cpp
index ccc0de0..5528fbb 100644
--- a/backend/tools/MIRTool/MIRToolMain.cpp
+++ b/backend/tools/MIRTool/MIRToolMain.cpp
@@ -696,8 +696,10 @@ void setBackendOption(std::vector<rcc::tooling::BackendOption> &Options, std::st
 
   if (Command.ShowHelp)
     return Command;
-  if (CodeGenFlags.Triple)
+  if (CodeGenFlags.Triple) {
     Command.Invocation.Triple = normalizeRV64Triple(*CodeGenFlags.Triple);
+    Command.Invocation.Features = {"+i"};
+  }
   if (CodeGenFlags.CPU)
     Command.Invocation.CPU = *CodeGenFlags.CPU;
   if (CodeGenFlags.TuneCPU)
-- 
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