Change semantics of buffer ops to simplify CSE and DCE.

2013-04-26 13:47:41 +02:00
parent 5fd659f859
commit 47fa9a8d8f
6 changed files with 60 additions and 58 deletions
--- a/src/lj_record.c
+++ b/src/lj_record.c
@@ -1622,7 +1622,7 @@ static TRef rec_cat(jit_State *J, BCReg baseslot, BCReg topslot)
    do {
      tr = emitir(IRT(IR_BUFPUT, IRT_P32), tr, *trp++);
    } while (trp <= top);
-    tr = emitir(IRT(IR_BUFSTR, IRT_STR), hdr, tr);
+    tr = emitir(IRT(IR_BUFSTR, IRT_STR), tr, hdr);
    J->maxslot = (BCReg)(xbase - J->base);
    if (xbase == base) return tr;
  }