Fix dump and load with endianess

src/dump.c

@@ -85,26 +85,8 @@ write_iseq_block(mrb_state *mrb, mrb_irep *irep, uint8_t *buf, uint8_t flags)
 
   cur += uint32_to_bin(irep->ilen, cur); /* number of opcode */
   cur += write_padding(cur);
-  switch (flags & DUMP_ENDIAN_NAT) {
-  case DUMP_ENDIAN_BIG:
-    if (bigendian_p()) goto native;
-    for (iseq_no = 0; iseq_no < irep->ilen; iseq_no++) {
-      cur += uint32_to_bin(irep->iseq[iseq_no], cur); /* opcode */
-    }
-    break;
-  case DUMP_ENDIAN_LIL:
-    if (!bigendian_p()) goto native;
-    for (iseq_no = 0; iseq_no < irep->ilen; iseq_no++) {
-      cur += uint32l_to_bin(irep->iseq[iseq_no], cur); /* opcode */
-    }
-    break;
-
-  native:
-  case DUMP_ENDIAN_NAT:
-    memcpy(cur, irep->iseq, irep->ilen * sizeof(mrb_code));
-    cur += irep->ilen * sizeof(mrb_code);
-    break;
-  }
+  memcpy(cur, irep->iseq, irep->ilen * sizeof(mrb_code));
+  cur += irep->ilen * sizeof(mrb_code);
 
   return cur - buf;
 }

src/load.c

@@ -83,23 +83,10 @@ read_irep_record_1(mrb_state *mrb, const uint8_t *bin, size_t *len, uint8_t flag
       irep->flags |= MRB_ISEQ_NO_FREE;
     }
     else {
-      irep->iseq = (mrb_code *)mrb_malloc(mrb, sizeof(mrb_code) * irep->ilen);
-      if (flags & FLAG_BYTEORDER_NATIVE) {
-        memcpy(irep->iseq, src, sizeof(uint32_t) * irep->ilen);
-        src += sizeof(uint32_t) * irep->ilen;
-      }
-      else if (flags & FLAG_BYTEORDER_BIG) {
-        for (i = 0; i < irep->ilen; i++) {
-          irep->iseq[i] = (mrb_code)bin_to_uint32(src);     /* iseq */
-          src += sizeof(uint32_t);
-        }
-      }
-      else {
-        for (i = 0; i < irep->ilen; i++) {
-          irep->iseq[i] = (mrb_code)bin_to_uint32l(src);     /* iseq */
-          src += sizeof(uint32_t);
-        }
-      }
+      size_t data_len = sizeof(mrb_code) * irep->ilen;
+      irep->iseq = (mrb_code *)mrb_malloc(mrb, data_len);
+      memcpy(irep->iseq, src, data_len);
+      src += data_len;
     }
   }