diff options
| -rw-r--r-- | ChangeLog | 20 | ||||
| -rw-r--r-- | vm_insnhelper.c | 2 |
2 files changed, 21 insertions, 1 deletions
@@ -1,3 +1,23 @@ +Sat Apr 23 18:01:21 2016 NARUSE, Yui <naruse@ruby-lang.org> + + * vm_insnhelper.c (vm_getivar): specify inline instead of static inline. + vm_getivar is called by vm_call_ivar and vm_getinstancevariable. + At least with GCC 4.8 and 5.3 on Linux, they are inlining it into + vm_call_ivar but not vm_getinstancevariable. + By `inline`, they correctly inline it and gains performance. + + Speedup ratio: compare with the result of `ruby 2.4.0dev (2016-04-23 + trunk 54727) [x86_64-linux]' (greater is better) + name built-ruby + loop_whileloop 1.001 + vm1_ivar* 1.189 + vm1_ivar_set* 1.024 + + Note tha `inline`'s meaning is different between old GCC + and C99. Old GCC's inline means C99's extern inline. + https://gcc.gnu.org/onlinedocs/gcc/Inline.html + Since Ruby specify -std=iso9899:1999, it works like C99. + Sat Apr 23 16:11:39 2016 NARUSE, Yui <naruse@ruby-lang.org> * include/ruby/ruby.h (rb_mul_size_overflow): use UNLIKELY diff --git a/vm_insnhelper.c b/vm_insnhelper.c index 0f27c9ee23..7015d0417c 100644 --- a/vm_insnhelper.c +++ b/vm_insnhelper.c @@ -774,7 +774,7 @@ vm_search_const_defined_class(const VALUE cbase, ID id) #define USE_IC_FOR_IVAR 1 #endif -static inline VALUE +inline VALUE vm_getivar(VALUE obj, ID id, IC ic, struct rb_call_cache *cc, int is_attr) { #if USE_IC_FOR_IVAR |