From: Dragan Mladjenovic <dmladjenovic@wavecomp.com>
Date: Thu, 6 Aug 2020 20:11:39 +0000 (+0100)
Subject: Various fixes for Rust on MIPS
X-Git-Tag: archive/raspbian/1.45.0+dfsg1-2+rpi1^2~29
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=726b3d1cecf0bde4144256a8198b1d38782c024b;p=rustc.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/src/librustc_codegen_llvm/llvm_util.rs b/src/librustc_codegen_llvm/llvm_util.rs
index 67a2251e85..512fd6d382 100644
--- a/src/librustc_codegen_llvm/llvm_util.rs
+++ b/src/librustc_codegen_llvm/llvm_util.rs
@@ -105,6 +105,12 @@ 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);
         }