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eval_jump.c: reuse same tag

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* eval_jump.c (rb_exec_end_proc): reduce number of pushing/popping
  and reuse same tag.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43730 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2013-11-19 17:01:10 +00:00
parent 1eac0b55c9
commit 9d740ddebe
2 changed files with 34 additions and 38 deletions
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8
eval_intern.h
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@ -104,6 +104,12 @@ extern int select_large_fdset(int, fd_set *, fd_set *, fd_set *, struct timeval
#define TH_POP_TAG2() \
_th->tag = _tag.prev
#define TH_PUSH_TAG2() (_th->tag = &_tag, 0)
#define TH_TMPPOP_TAG() TH_POP_TAG2()
#define TH_REPUSH_TAG() TH_PUSH_TAG2()
#define PUSH_TAG() TH_PUSH_TAG(GET_THREAD())
#define POP_TAG() TH_POP_TAG()
@ -128,7 +134,7 @@ rb_threadptr_tag_jump(rb_thread_t *th, int st)
[ISO/IEC 9899:1999] 7.13.1.1
*/
#define TH_EXEC_TAG() \
(ruby_setjmp(_tag.buf) ? rb_threadptr_tag_state(_th) : (_th->tag = &_tag, 0))
(ruby_setjmp(_tag.buf) ? rb_threadptr_tag_state(_th) : TH_PUSH_TAG2())
#define EXEC_TAG() \
TH_EXEC_TAG()