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author | normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-03-27 06:12:37 +0000 |
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committer | normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-03-27 06:12:37 +0000 |
commit | 669a55dfed5cc6e32afee69694b95e8b4c187f54 (patch) | |
tree | ae62eee552e736a3ad32367af21c12eee0b24b7d /vm.c | |
parent | 833e42d120f9b347badae4d04479266f2781d6eb (diff) | |
download | ruby-669a55dfed5cc6e32afee69694b95e8b4c187f54.tar.gz |
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
Diffstat (limited to 'vm.c')
-rw-r--r-- | vm.c | 1 |
1 files changed, 1 insertions, 0 deletions
@@ -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 |