From ec99e30fcea959c1b969c3ff3be683f84253478b Mon Sep 17 00:00:00 2001
From: Dragan Mladjenovic <dmladjenovic@wavecomp.com>
Date: Sun, 20 Dec 2020 18:52:10 +0000
Subject: [PATCH] Various fixes for Rust on MIPS

Bug-Debian: https://bugs.debian.org/881845
Last-Update: 2020-03-23


Gbp-Pq: Name u-mips-fixes.diff
---
 compiler/rustc_codegen_llvm/src/llvm_util.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs
index 900f2df383..85169116b4 100644
--- a/compiler/rustc_codegen_llvm/src/llvm_util.rs
+++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs
@@ -106,6 +106,12 @@ unsafe fn configure_llvm(sess: &Session) {
         // during inlining. Unfortunately these may block other optimizations.
         add("-preserve-alignment-assumptions-during-inlining=false", false);
 
+        if sess.target.target.arch == "mips"
+            || sess.target.target.arch == "mips64"
+        {
+            add("-fast-isel=0", false);
+        }
+
         for arg in sess_args {
             add(&(*arg), true);
         }
-- 
2.30.2