From bd892d05ed0565526c26b3e126a469e19865107b Mon Sep 17 00:00:00 2001
From: tmm1 <tmm1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 11 Dec 2013 06:38:42 +0000
Subject: compile.c: add opt_aset instruction for faster Hash#[]= and Array#[]=

* compile.c (iseq_specialized_instruction): emit opt_aset instruction
  to optimize Hash#[]= and Array#[]= when called with Fixnum argument.
  [Bug #9227] [ruby-core:58956]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44136 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 compile.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'compile.c')

diff --git a/compile.c b/compile.c
index af11bafb9e..25e3652187 100644
--- a/compile.c
+++ b/compile.c
@@ -1955,6 +1955,11 @@ iseq_specialized_instruction(rb_iseq_t *iseq, INSN *iobj)
 		  case idAREF:	 SP_INSN(aref);	  return COMPILE_OK;
 		}
 		break;
+	      case 2:
+		switch (ci->mid) {
+		  case idASET:	 SP_INSN(aset);	  return COMPILE_OK;
+		}
+		break;
 	    }
 	}
 	if (ci->flag & VM_CALL_ARGS_SKIP_SETUP) {
-- 
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