From: Dragan Mladjenovic <dmladjenovic@wavecomp.com>
Date: Sun, 19 Sep 2021 18:48:33 +0000 (+0100)
Subject: Various fixes for Rust on MIPS
X-Git-Tag: archive/raspbian/1.59.0+dfsg1-1_deb11u3+rpi1~2^2^2~23
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=be60958efb8f22debcc185bc7f52b0abb45e2969;p=rustc-mozilla.git

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
---

diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs
index 544ef38c1..b55e7070b 100644
--- a/compiler/rustc_codegen_llvm/src/llvm_util.rs
+++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs
@@ -98,6 +98,12 @@ 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.arch == "mips"
+            || sess.target.arch == "mips64"
+        {
+            add("-fast-isel=0", false);
+        }
+
         for arg in sess_args {
             add(&(*arg), true);
         }