From 4ebab10bf5ac061bd71df8db2fd7fea61be658c0 Mon Sep 17 00:00:00 2001 From: normal Date: Tue, 8 Dec 2015 01:46:45 +0000 Subject: compile optimized case dispatch for nil/true/false nil/true/false are special literals just like floats, integers, literal strings, and symbols. Optimize when statements with them by using a jump table, too. target 0: a (ruby 2.3.0dev (2015-12-08 trunk 52928) [x86_64-linux]) at "/home/ew/rrrr/b/ruby" target 1: b (ruby 2.3.0dev (2015-12-08 master 52928) [x86_64-linux]) at "/home/ew/ruby/b/ruby" benchmark results: minimum results in each 5 measurements. Execution time (sec) name a b loop_whileloop2 0.102 0.103 vm2_case_lit* 1.657 0.549 Speedup ratio: compare with the result of `a' (greater is better) name b loop_whileloop2 0.988 vm2_case_lit* 3.017 * benchmark/bm_vm2_case_lit.rb: new benchmark * compile.c (case_when_optimizable_literal): add nil/true/false * insns.def (opt_case_dispatch): ditto * vm.c (vm_redefinition_check_flag): ditto * vm.c (vm_init_redefined_flag): ditto * vm_core.h: ditto * object.c (InitVM_Object): define === explicitly for nil/true/false * test/ruby/test_case.rb (test_deoptimize_nil): new test * test/ruby/test_optimization.rb (test_opt_case_dispatch): update (test_eqq): new test [ruby-core:71923] [Feature #11769] Original patch by Aaron Patterson git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52931 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- object.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'object.c') diff --git a/object.c b/object.c index ff2db0b45a..d339ff94b2 100644 --- a/object.c +++ b/object.c @@ -3468,6 +3468,7 @@ InitVM_Object(void) rb_define_method(rb_cNilClass, "&", false_and, 1); rb_define_method(rb_cNilClass, "|", false_or, 1); rb_define_method(rb_cNilClass, "^", false_xor, 1); + rb_define_method(rb_cNilClass, "===", rb_equal, 1); rb_define_method(rb_cNilClass, "nil?", rb_true, 0); rb_undef_alloc_func(rb_cNilClass); @@ -3553,6 +3554,7 @@ InitVM_Object(void) rb_define_method(rb_cTrueClass, "&", true_and, 1); rb_define_method(rb_cTrueClass, "|", true_or, 1); rb_define_method(rb_cTrueClass, "^", true_xor, 1); + rb_define_method(rb_cTrueClass, "===", rb_equal, 1); rb_undef_alloc_func(rb_cTrueClass); rb_undef_method(CLASS_OF(rb_cTrueClass), "new"); /* @@ -3566,6 +3568,7 @@ InitVM_Object(void) rb_define_method(rb_cFalseClass, "&", false_and, 1); rb_define_method(rb_cFalseClass, "|", false_or, 1); rb_define_method(rb_cFalseClass, "^", false_xor, 1); + rb_define_method(rb_cFalseClass, "===", rb_equal, 1); rb_undef_alloc_func(rb_cFalseClass); rb_undef_method(CLASS_OF(rb_cFalseClass), "new"); /* -- cgit v1.2.3