From 669a55dfed5cc6e32afee69694b95e8b4c187f54 Mon Sep 17 00:00:00 2001 From: normal Date: Mon, 27 Mar 2017 06:12:37 +0000 Subject: fix redefinition optimization for -"literal string" (UMinus) Unfortunately this enlarges insns.def by yet another instruction. However, it is much prettier than opt_str_freeze in use, and maybe we can avoid having so many instructions in the future. [ruby-core:80368] * insns.def (DEFINE_INSN): new instruction: opt_str_uminus (maybe temporary) * compile.c (iseq_compile_each0): split instructions * test/ruby/test_optimization.rb (test_string_uminus): new test * vm.c (vm_init_redefined_flag): set redefinintion flag for uminus * vm_core.h (enum ruby_basic_operators): add BOP_UMINUS git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58144 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- vm.c | 1 + 1 file changed, 1 insertion(+) (limited to 'vm.c') diff --git a/vm.c b/vm.c index 1eefee18a6..9ece1b8c3d 100644 --- a/vm.c +++ b/vm.c @@ -1569,6 +1569,7 @@ vm_init_redefined_flag(void) OP(Succ, SUCC), (C(Integer), C(String), C(Time)); OP(EqTilde, MATCH), (C(Regexp), C(String)); OP(Freeze, FREEZE), (C(String)); + OP(UMinus, UMINUS), (C(String)); OP(Max, MAX), (C(Array)); OP(Min, MIN), (C(Array)); #undef C -- cgit v1.2.3