From 2e0777317f373921487d80e88c376d23a842ba2c Mon Sep 17 00:00:00 2001
From: Maria Matejka <mq@ucw.cz>
Date: Fri, 21 Jun 2019 11:33:28 +0200
Subject: [PATCH] Filter instructions don't confuse now v1 and res.

---
 filter/f-inst.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/filter/f-inst.c b/filter/f-inst.c
index 749e072c..7349bf72 100644
--- a/filter/f-inst.c
+++ b/filter/f-inst.c
@@ -50,26 +50,26 @@
   INST(FI_ADD, 2, 1) {
     ARG(1,T_INT);
     ARG(2,T_INT);
-    res.val.i += v2.val.i;
+    res.val.i = v1.val.i + v2.val.i;
     RESULT_OK;
   }
   INST(FI_SUBTRACT, 2, 1) {
     ARG(1,T_INT);
     ARG(2,T_INT);
-    res.val.i -= v2.val.i;
+    res.val.i = v1.val.i - v2.val.i;
     RESULT_OK;
   }
   INST(FI_MULTIPLY, 2, 1) {
     ARG(1,T_INT);
     ARG(2,T_INT);
-    res.val.i *= v2.val.i;
+    res.val.i = v1.val.i * v2.val.i;
     RESULT_OK;
   }
   INST(FI_DIVIDE, 2, 1) {
     ARG(1,T_INT);
     ARG(2,T_INT);
     if (v2.val.i == 0) runtime( "Mother told me not to divide by 0" );
-    res.val.i /= v2.val.i;
+    res.val.i = v1.val.i / v2.val.i;
     RESULT_OK;
   }
   INST(FI_AND, 1, 1) {