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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-01-10 12:18:21 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-01-10 12:18:21 +0000 |
commit | 3c199bb70045e383258c10b3213899abd9630c81 (patch) | |
tree | 069bf1584153ce18627f82de0fdf73d1798ebcbc /numeric.c | |
parent | 93ff30bfe5e1dab04510055d5d3c92fc91d33363 (diff) | |
download | ruby-3c199bb70045e383258c10b3213899abd9630c81.tar.gz |
numeric.c: short circuit optimization
* numeric.c (fix_mul): short circuit when multiplication of Bignum
and 0 or 1 not to make a Bignum unnecessarily.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57296 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'numeric.c')
-rw-r--r-- | numeric.c | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -3569,6 +3569,10 @@ fix_mul(VALUE x, VALUE y) return rb_fix_mul_fix(x, y); } else if (RB_TYPE_P(y, T_BIGNUM)) { + switch (x) { + case INT2FIX(0): return x; + case INT2FIX(1): return y; + } return rb_big_mul(y, x); } else if (RB_TYPE_P(y, T_FLOAT)) { |