Add tail-call-optimizationHEADmain

1 files changed, 4 insertions, 1 deletions

diff --git a/src/vm.c b/src/vm.c
index 0929fb6..0791706 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -5,7 +5,7 @@
 #include "compiler.c"
 
 #define N_CONST 256
-#define STACK_SIZE KB(64)
+#define STACK_SIZE MB(4)
 typedef struct VM {
     Chunk *main;
     Chunk *chunk;
@@ -382,6 +382,9 @@ vm_run(VM *vm) {
                 p[3] = old_fp;
                 vm->sp += sizeof(ptrsize) * 4;
             } break;
+            case OP_RECUR: {
+                vm->ip = vm->chunk->code;
+            } break;
             case OP_RET: {
                 u64 *p = (u64 *)vm->sp;
                 ptrsize chunk_addr = p[-4];