codegen.c: unify `OP_ARYPUSH` and `OP_ARYPUSH_N`.

- `OP_ARYPUSH` now takes operand for the number of pushing elements
- the code generator consume the stack no more than `64` for `mruby/c`

2 files changed, 3 insertions, 12 deletions

diff --git a/src/codedump.c b/src/codedump.c
index 3128d7467..ab5804e20 100644
--- a/src/codedump.c
+++ b/src/codedump.c
@@ -431,12 +431,8 @@ codedump(mrb_state *mrb, const mrb_irep *irep)
       printf("OP_ARYCAT\tR%d\tR%d\t", a, a+1);
       print_lv_a(mrb, irep, a);
       break;
-    CASE(OP_ARYPUSH, B):
-      printf("OP_ARYPUSH\tR%d\t", a);
-      print_lv_a(mrb, irep, a);
-      break;
-    CASE(OP_ARYPUSH_N, BB):
-      printf("OP_ARYPUSH_N\tR%d\t%d\t", a, b);
+    CASE(OP_ARYPUSH, BB):
+      printf("OP_ARYPUSH\tR%d\t%d\t", a, b);
       print_lv_a(mrb, irep, a);
       break;
     CASE(OP_ARYDUP, B):
diff --git a/src/vm.c b/src/vm.c
index 5690684cb..b50354061 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -2546,12 +2546,7 @@ RETRY_TRY_BLOCK:
       NEXT;
     }
 
-    CASE(OP_ARYPUSH, B) {
-      mrb_ary_push(mrb, regs[a], regs[a+1]);
-      NEXT;
-    }
-
-    CASE(OP_ARYPUSH_N, BB) {
+    CASE(OP_ARYPUSH, BB) {
       for (mrb_int i=0; i<b; i++) {
         mrb_ary_push(mrb, regs[a], regs[a+i+1]);
       }