From 936dd9a97e454747f8783fda8f1ee0c13d3f991d Mon Sep 17 00:00:00 2001
From: Michael Forney <mforney@mforney.org>
Date: Tue, 19 Oct 2021 13:47:31 -0700
Subject: Consider change in instruction size when calculating jump distance.

If we previously used a 4-byte offset, the instruction is 4 bytes
larger than if we were to use a 1 byte offset. Therefore, an
instruction whose previous offset was 0x83 should still be eligible
for 1 byte encoding.
---
 main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/main.c b/main.c
index 8f17d17..978669c 100644
--- a/main.c
+++ b/main.c
@@ -503,7 +503,7 @@ assemblejmp(const Jmp* j)
         } else {
             distance = target->wco - cursection->hdr.sh_size;
         }
-        if ((distance - 1) >= -128 && (distance - 1) <= 127) {
+        if ((distance - 1) >= -128 && (distance - 5) <= 127) {
             jmpsize = 1;
         } else {
             jmpsize = 4;
-- 
cgit v1.2.3