From dba0c01835b96ee1fdb75a05b2e1b99cad97588f Mon Sep 17 00:00:00 2001
From: CismonX <admin@cismon.net>
Date: Sun, 17 May 2020 00:16:59 +0800
Subject: [PATCH] improve overall performance

---
 src/runtime.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/runtime.c b/src/runtime.c
index 5ec7472..a50ab29 100644
--- a/src/runtime.c
+++ b/src/runtime.c
@@ -318,7 +318,11 @@ u6a_runtime_execute(FILE* restrict istream, FILE* restrict ostream) {
                     case u6a_vf_in:
                         current_char = fgetc(istream);
                         func = arg;
-                        arg.token.fn = current_char == EOF ? u6a_vf_v : u6a_vf_i;
+                        if (UNLIKELY(current_char == EOF)) {
+                            arg.token.fn = u6a_vf_v;
+                        } else {
+                            arg.token.fn = u6a_vf_i;
+                        }
                         goto do_apply;
                     case u6a_vf_cmp:
                         if (func.token.ch == current_char) {
@@ -345,7 +349,7 @@ u6a_runtime_execute(FILE* restrict istream, FILE* restrict ostream) {
                 }
                 break;
             case u6a_vo_sa:
-                if (acc.token.fn == u6a_vf_d) {
+                if (UNLIKELY(acc.token.fn == u6a_vf_d)) {
                     goto delay;
                 }
                 STACK_PUSH1(acc);