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authornobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2009-05-25 20:38:06 +0000
committernobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2009-05-25 20:38:06 +0000
commit6e685627c7c30a22c6b4cfc9fe1dbe6fc422a8e3 (patch)
tree63005350348133ac121724d64c1f197b58a334e8 /include/ruby/ruby.h
parentf17f98370e292c10925f27476e2de5671cea8bdd (diff)
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* include/ruby/ruby.h (NUM2LONG): added GCC specific optimization.
git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@23570 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'include/ruby/ruby.h')
-rw-r--r--include/ruby/ruby.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/include/ruby/ruby.h b/include/ruby/ruby.h
index 8e8486b10..54018ab27 100644
--- a/include/ruby/ruby.h
+++ b/include/ruby/ruby.h
@@ -433,11 +433,17 @@ void rb_set_errinfo(VALUE);
SIGNED_VALUE rb_num2long(VALUE);
VALUE rb_num2ulong(VALUE);
+#define NUM2LONG_internal(x) (FIXNUM_P(x) ? FIX2LONG(x) : rb_num2long(x))
+#ifdef __GNUC__
+#define NUM2LONG(x) \
+ __extension__ ({VALUE num2long_x = (x); NUM2LONG_internal(num2long_x);})
+#else
static inline long
NUM2LONG(VALUE x)
{
- return FIXNUM_P(x) ? FIX2LONG(x) : rb_num2long(x);
+ return NUM2LONG_internal(x);
}
+#endif
#define NUM2ULONG(x) rb_num2ulong((VALUE)x)
#if SIZEOF_INT < SIZEOF_LONG
long rb_num2int(VALUE);
@@ -672,7 +678,7 @@ NORETURN(void rb_out_of_int(SIGNED_VALUE num));
int i = (int)(n); \
if ((long)i != (n)) rb_out_of_int(n)
#ifdef __GNUC__
-#define rb_long2int(i2l_n) ({rb_long2int_internal(i2l_n, i2l_i); i2l_i;})
+#define rb_long2int(i2l_n) __extension__ ({rb_long2int_internal(i2l_n, i2l_i); i2l_i;})
#else
static inline int
rb_long2int(long n) {rb_long2int_internal(n, i); return i;}