ops.h: add `OP_ARYPUSH_N` instruction.

Add n elements at once. Reduces instructions for huge array
initialization. In addition, `gen_value` function in `codegen.c` was
refactored and clarified.

1 files changed, 7 insertions, 0 deletions

diff --git a/src/vm.c b/src/vm.c
index 95458774b..5690684cb 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -2551,6 +2551,13 @@ RETRY_TRY_BLOCK:
       NEXT;
     }
 
+    CASE(OP_ARYPUSH_N, BB) {
+      for (mrb_int i=0; i<b; i++) {
+        mrb_ary_push(mrb, regs[a], regs[a+i+1]);
+      }
+      NEXT;
+    }
+
     CASE(OP_ARYDUP, B) {
       mrb_value ary = regs[a];
       if (mrb_array_p(ary)) {