summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--ChangeLog5
-rw-r--r--include/ruby/ruby.h12
2 files changed, 17 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index e58c9df559..cc9aa55719 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Thu Oct 27 23:28:12 2016 Nobuyoshi Nakada <nobu@ruby-lang.org>
+
+ * include/ruby/ruby.h (rb_integer_type_p): turn into macro to help
+ clang based on old gcc to eliminate CSE.
+
Thu Oct 27 16:33:47 2016 NAKAMURA Usaku <usa@ruby-lang.org>
* tool/redmine-backporter.rb (rel): check the exception and show right
diff --git a/include/ruby/ruby.h b/include/ruby/ruby.h
index d72e7784f1..eeae2f6879 100644
--- a/include/ruby/ruby.h
+++ b/include/ruby/ruby.h
@@ -1480,6 +1480,17 @@ rb_obj_write(VALUE a, VALUE *slot, VALUE b, RB_UNUSED_VAR(const char *filename),
#define RUBY_INTEGER_UNIFICATION 1
#define RB_INTEGER_TYPE_P(obj) rb_integer_type_p(obj)
+#if defined __GNUC__ && !GCC_VERSION_SINCE(4, 3, 0)
+/* clang 3.x (4.2 compatible) can't eliminate CSE of RB_BUILTIN_TYPE
+ * in inline function and caller function */
+#define rb_integer_type_p(obj) \
+ __extension__ ({ \
+ const VALUE integer_type_obj = (obj); \
+ (RB_FIXNUM_P(integer_type_obj) || \
+ (!RB_SPECIAL_CONST_P(integer_type_obj) && \
+ RB_BUILTIN_TYPE(integer_type_obj) == RUBY_T_BIGNUM)); \
+ })
+#else
static inline int
rb_integer_type_p(VALUE obj)
{
@@ -1487,6 +1498,7 @@ rb_integer_type_p(VALUE obj)
(!RB_SPECIAL_CONST_P(obj) &&
RB_BUILTIN_TYPE(obj) == RUBY_T_BIGNUM));
}
+#endif
#if SIZEOF_INT < SIZEOF_LONG
# define RB_INT2NUM(v) RB_INT2FIX((int)(v))