Various fixes for Rust on MIPS

Bug-Debian: https://bugs.debian.org/881845
Last-Update: 2018-10-24

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 5fea9c8747e0fc965fba69cf9d4544d9851377f8..bf129c99b5bed117f40a88047c7b85358e198fc3 100644 (file)
--- a/src/librustc_codegen_llvm/llvm_util.rs
+++ b/src/librustc_codegen_llvm/llvm_util.rs
@@ -76,6 +76,9 @@ unsafe fn configure_llvm(sess: &Session) {
         // during inlining. Unfortunately these may block other optimizations.
         add("-preserve-alignment-assumptions-during-inlining=false");
 
+    if sess.target.target.arch == "mips" ||
+        sess.target.target.arch == "mips64" { add("-fast-isel=0"); }
+
         for arg in &sess.opts.cg.llvm_args {
             add(&(*arg));
         }