diff options
author | naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-06-29 06:23:38 +0000 |
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committer | naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-06-29 06:23:38 +0000 |
commit | 8fe1d91f6283e706734fd2783fa98ec4e32623c9 (patch) | |
tree | 5a55a4c5171c99be3ce7aafdd208b0e61b0da6e5 /insns.def | |
parent | 8361dab9cb332e109dd22d99735d62997d1fbfc3 (diff) |
* insns.def (opt_succ): optimize like r55515. (but this argument is
consntant)
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55536 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'insns.def')
-rw-r--r-- | insns.def | 10 |
1 files changed, 5 insertions, 5 deletions
@@ -2041,12 +2041,12 @@ opt_succ if (SPECIAL_CONST_P(recv)) { if (FIXNUM_P(recv) && BASIC_OP_UNREDEFINED_P(BOP_SUCC, INTEGER_REDEFINED_OP_FLAG)) { - const VALUE obj = INT2FIX(1); /* fixnum + INT2FIX(1) */ - val = (recv + (obj & (~1))); - if ((~(recv ^ obj) & (recv ^ val)) & ((unsigned long)LONG_MAX + 1)) { - val = rb_big_plus(rb_int2big(FIX2LONG(recv)), - rb_int2big(FIX2LONG(obj))); + if (recv != LONG2FIX(FIXNUM_MAX)) { + val = recv - 1 + INT2FIX(1); + } + else { + val = LONG2NUM(FIXNUM_MAX + 1); } } else { |