* insns.def: add new instruction `opt_empty_p' for optimize `empty?'

  method.  Apply a patch proposed at [ruby-dev:46120]
  [ruby-trunk - Feature #6972] by Glass_saga (Masaki Matsushita).
* compile.c (iseq_specialized_instruction), vm.c, vm_insnhelper.h:
  ditto.
* id.c, template/id.h.tmpl: ditto.
* test/ruby/test_optimization.rb: test for this changes.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37036 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/compile.c b/compile.c
index 2f8cbb51cd..368e3cf6db 100644
--- a/compile.c
+++ b/compile.c
@@ -1872,6 +1872,7 @@ iseq_specialized_instruction(rb_iseq_t *iseq, INSN *iobj)
 		switch (mid) {
 		  case idLength: SP_INSN(length); break;
 		  case idSize:	 SP_INSN(size);	  break;
+		  case idEmptyP: SP_INSN(empty_p);break;
 		  case idSucc:	 SP_INSN(succ);	  break;
 		  case idNot:	 SP_INSN(not);	  break;
 		}