* 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/vm.c b/vm.c
index f842a6dfba..c59ef0b895 100644
--- a/vm.c
+++ b/vm.c
@@ -1005,6 +1005,7 @@ vm_init_redefined_flag(void)
     OP(ASET, ASET), (C(Array), C(Hash));
     OP(Length, LENGTH), (C(Array), C(String), C(Hash));
     OP(Size, SIZE), (C(Array), C(String), C(Hash));
+    OP(EmptyP, EMPTY_P), (C(Array), C(String), C(Hash));
     OP(Succ, SUCC), (C(Fixnum), C(String), C(Time));
 #undef C
 #undef OP