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 40739387b00c47dcedd3a6f506eb2f87db391fa5..11acc8deb0aafbceee0e677624f49c293170142b 100644 (file)
--- a/src/librustc_codegen_llvm/llvm_util.rs
+++ b/src/librustc_codegen_llvm/llvm_util.rs
@@ -86,6 +86,9 @@ 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));
         }