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authorakr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2014-02-15 02:48:44 +0000
committerakr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2014-02-15 02:48:44 +0000
commitdfd26e3a473aa76fce20dc1359b0c4ab1d88eea9 (patch)
tree3d88db763f1028b07b5a10309e557bd76078ecf5 /bignum.c
parentf9810d26b10c44b5fcdf07b886792c6a0b7c107f (diff)
downloadruby-dfd26e3a473aa76fce20dc1359b0c4ab1d88eea9.tar.gz
* bignum.c (rb_big_cmp): Avoid bignum allocation for comparison
between bignum and fixnum. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44965 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'bignum.c')
-rw-r--r--bignum.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/bignum.c b/bignum.c
index d2eb38e489..eb04e43814 100644
--- a/bignum.c
+++ b/bignum.c
@@ -5277,13 +5277,17 @@ rb_big_cmp(VALUE x, VALUE y)
{
int cmp;
- if (y == INT2FIX(0)) {
- if (BIGZEROP(x)) return INT2FIX(0);
- if (RBIGNUM_NEGATIVE_P(x)) return INT2FIX(-1);
- return INT2FIX(1);
- }
- else if (FIXNUM_P(y)) {
- y = rb_int2big(FIX2LONG(y));
+ if (FIXNUM_P(y)) {
+ x = bignorm(x);
+ if (FIXNUM_P(x)) {
+ if (FIX2LONG(x) > FIX2LONG(y)) return INT2FIX(1);
+ if (FIX2LONG(x) < FIX2LONG(y)) return INT2FIX(-1);
+ return INT2FIX(0);
+ }
+ else {
+ if (RBIGNUM_NEGATIVE_P(x)) return INT2FIX(-1);
+ return INT2FIX(1);
+ }
}
else if (RB_BIGNUM_TYPE_P(y)) {
}