Fix constant-offset folding to use the correct operand for stores.

2018-10-26 06:05:54 -07:00
parent 2de5542139
commit f1db50aa76
2 changed files with 15 additions and 1 deletions
--- a/lib/codegen/src/postopt.rs
+++ b/lib/codegen/src/postopt.rs
@@ -329,7 +329,7 @@ fn optimize_complex_addresses(pos: &mut EncCursor, inst: Inst, isa: &TargetIsa)
                    ..
                } => {
                    if let Some(imm) = offset.try_add_i64(imm.into()) {
-                        store_args[0] = arg;
+                        store_args[1] = arg;
                        *offset = imm;
                    } else {
                        // Overflow.