tiny word boxing optimization

1 files changed, 3 insertions, 7 deletions

diff --git a/src/range.c b/src/range.c
index a27ced4cb..0eacc83d5 100644
--- a/src/range.c
+++ b/src/range.c
@@ -176,7 +176,7 @@ r_le(mrb_state *mrb, mrb_value a, mrb_value b)
   mrb_value r = mrb_funcall(mrb, a, "<=>", 1, b); /* compare result */
   /* output :a < b => -1, a = b =>  0, a > b => +1 */
 
-  if (mrb_type(r) == MRB_TT_FIXNUM) {
+  if (mrb_fixnum_p(r)) {
     mrb_int c = mrb_fixnum(r);
     if (c == 0 || c == -1) return TRUE;
   }
@@ -190,11 +190,7 @@ r_gt(mrb_state *mrb, mrb_value a, mrb_value b)
   mrb_value r = mrb_funcall(mrb, a, "<=>", 1, b);
   /* output :a < b => -1, a = b =>  0, a > b => +1 */
 
-  if (mrb_type(r) == MRB_TT_FIXNUM) {
-    if (mrb_fixnum(r) == 1) return TRUE;
-  }
-
-  return FALSE;
+  return mrb_fixnum_p(r) && mrb_fixnum(r) == 1;
 }
 
 static mrb_bool
@@ -203,7 +199,7 @@ r_ge(mrb_state *mrb, mrb_value a, mrb_value b)
   mrb_value r = mrb_funcall(mrb, a, "<=>", 1, b); /* compare result */
   /* output :a < b => -1, a = b =>  0, a > b => +1 */
 
-  if (mrb_type(r) == MRB_TT_FIXNUM) {
+  if (mrb_fixnum_p(r)) {
     mrb_int c = mrb_fixnum(r);
     if (c == 0 || c == 1) return TRUE;
   }