* 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/id.c b/id.c
index e5f971d3e2..b6143971a1 100644
--- a/id.c
+++ b/id.c
@@ -41,6 +41,7 @@ Init_id(void)
     REGISTER_SYMID(idEach, "each");
     REGISTER_SYMID(idLength, "length");
     REGISTER_SYMID(idSize, "size");
+    REGISTER_SYMID(idEmptyP, "empty?");
     REGISTER_SYMID(idLambda, "lambda");
     REGISTER_SYMID(idIntern, "intern");
     REGISTER_SYMID(idGets, "gets");