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merges r32347 from trunk into ruby_1_9_2.

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--
* vm_insnhelper.c (vm_getivar): check vm state version
  to invalidate inline chache (ivar index).
  fixes Bug #4926.
* vm_insnhelper.c (vm_setivar): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@34429 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
yugui 2012-02-05 03:27:37 +00:00
parent eb40744739
commit 83b5388b25
3 changed files with 15 additions and 3 deletions
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8
ChangeLog
View file

@ -1,3 +1,11 @@
Fri Jul 1 08:21:28 2011 Koichi Sasada <ko1@atdot.net>
* vm_insnhelper.c (vm_getivar): check vm state version
to invalidate inline chache (ivar index).
fixes Bug #4926.
* vm_insnhelper.c (vm_setivar): ditto.
Wed Feb 1 09:50:10 2012 Nobuyoshi Nakada <nobu@ruby-lang.org>
* doc/re.rdoc (Repetition): fix typo. reported by Ori Avtalion

2
version.h
View file

@ -1,5 +1,5 @@
#define RUBY_VERSION "1.9.2"
#define RUBY_PATCHLEVEL 313
#define RUBY_PATCHLEVEL 314
#define RUBY_VERSION_MAJOR 1
#define RUBY_VERSION_MINOR 9
#define RUBY_VERSION_TEENY 1

8
vm_insnhelper.c
View file

@ -1255,7 +1255,8 @@ vm_getivar(VALUE obj, ID id, IC ic)
VALUE val = Qundef;
VALUE klass = RBASIC(obj)->klass;
if (ic->ic_class == klass) {
if (LIKELY(ic->ic_class == klass &&
ic->ic_vmstat == GET_VM_STATE_VERSION())) {
long index = ic->ic_value.index;
long len = ROBJECT_NUMIV(obj);
VALUE *ptr = ROBJECT_IVPTR(obj);
@ -1277,6 +1278,7 @@ vm_getivar(VALUE obj, ID id, IC ic)
}
ic->ic_class = klass;
ic->ic_value.index = index;
ic->ic_vmstat = GET_VM_STATE_VERSION();
}
}
}
@ -1309,7 +1311,8 @@ vm_setivar(VALUE obj, ID id, VALUE val, IC ic)
VALUE klass = RBASIC(obj)->klass;
st_data_t index;
if (ic->ic_class == klass) {
if (LIKELY(ic->ic_class == klass &&
ic->ic_vmstat == GET_VM_STATE_VERSION())) {
long index = ic->ic_value.index;
long len = ROBJECT_NUMIV(obj);
VALUE *ptr = ROBJECT_IVPTR(obj);
@ -1325,6 +1328,7 @@ vm_setivar(VALUE obj, ID id, VALUE val, IC ic)
if (iv_index_tbl && st_lookup(iv_index_tbl, (st_data_t)id, &index)) {
ic->ic_class = klass;
ic->ic_value.index = index;
ic->ic_vmstat = GET_VM_STATE_VERSION();
}
/* fall through */
}