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+Sun Sep 20 02:46:34 2015 Koichi Sasada <ko1@atdot.net>
+
+ * vm_core.h: split rb_call_info_t into several structs.
+ * rb_call_info (ci) has compiled fixed information.
+ * if ci->flag & VM_CALL_KWARG, then rb_call_info is
+ also rb_call_info_with_kwarg. This technique reduce one word
+ for major rb_call_info data.
+ * rb_calling_info has temporary data (argc, blockptr, recv).
+ for each method dispatch. This data is allocated only on
+ machine stack.
+ * rb_call_cache is for inline method cache.
+
+ Before this patch, only rb_call_info_t data is passed.
+ After this patch, above three structs are passed.
+
+ This patch improves:
+ * data locarity (rb_call_info is now read-only data).
+ * reduce memory consumption (rb_call_info_with_kwarg,
+ rb_calling_info).
+
+ * compile.c: use above data.
+
+ * insns.def: ditto.
+
+ * iseq.c: ditto.
+
+ * vm_args.c: ditto.
+
+ * vm_eval.c: ditto.
+
+ * vm_insnhelper.c: ditto.
+
+ * vm_insnhelper.h: ditto.
+
+ * iseq.h: add iseq_compile_data::ci_index and
+ iseq_compile_data::ci_kw_indx.
+
+ * tool/instruction.rb: introduce TS_CALLCACHE operand type.
+
Sun Sep 20 02:18:10 2015 Tanaka Akira <akr@fsij.org>
* test/lib/envutil.rb: mkfifo command based File.mkfifo method