From c6ad7a6272ad3f43f9efffda61040ab9f46add47 Mon Sep 17 00:00:00 2001 From: nobu Date: Mon, 23 Apr 2018 09:52:23 +0000 Subject: compile.c: insn before pop * compile.c (iseq_peephole_optimize): more eliminatable instructions before `pop` without side effects. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63246 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- compile.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/compile.c b/compile.c index e202435f47..2a089e8cdd 100644 --- a/compile.c +++ b/compile.c @@ -2909,6 +2909,11 @@ iseq_peephole_optimize(rb_iseq_t *iseq, LINK_ELEMENT *list, const int do_tailcal enum ruby_vminsn_type previ = ((INSN *)prev)->insn_id; if (previ == BIN(putobject) || previ == BIN(putnil) || previ == BIN(putself) || previ == BIN(putstring) || + previ == BIN(dup) || + previ == BIN(getlocal) || + previ == BIN(getblockparam) || + previ == BIN(getblockparamproxy) || + /* getinstancevariable may issue a warning */ previ == BIN(duparray)) { /* just push operand or static value and pop soon, no * side effects */ -- cgit v1.2.3