diff options
| -rw-r--r-- | mrbgems/mruby-compiler/core/codegen.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mrbgems/mruby-compiler/core/codegen.c b/mrbgems/mruby-compiler/core/codegen.c index 7edcd2029..013e65ee0 100644 --- a/mrbgems/mruby-compiler/core/codegen.c +++ b/mrbgems/mruby-compiler/core/codegen.c @@ -577,6 +577,7 @@ static void gen_move(codegen_scope *s, uint16_t dst, uint16_t src, int nopeep) { if (nopeep || no_peephole(s)) goto normal; + else if (dst == src) return; else { struct mrb_insn_data data = mrb_last_insn(s); @@ -1804,7 +1805,7 @@ gen_assignment(codegen_scope *s, node *tree, int sp, int val) gen_call(s, tree, attrsym(s, nsym(tree->cdr->car)), sp, NOVAL, type == NODE_SCALL); pop(); - if (val) { + if (val && cursp() != sp) { gen_move(s, cursp(), sp, 0); } break; |