From: Brendan Hansen <brendan.f.hansen@gmail.com>
Date: Wed, 11 Jan 2023 21:24:40 +0000 (-0600)
Subject: made the copy instruction much faster
X-Git-Url: https://git.brendanfh.com/?a=commitdiff_plain;h=0a2ce459dec3bb0f792ca8dbc341c8480dd1f770;p=onyx.git

made the copy instruction much faster
---

diff --git a/interpreter/src/vm/vm_instrs.h b/interpreter/src/vm/vm_instrs.h
index 08dd165c..4134b73e 100644
--- a/interpreter/src/vm/vm_instrs.h
+++ b/interpreter/src/vm/vm_instrs.h
@@ -222,7 +222,11 @@ OVMI_INSTR_EXEC(copy) {
 
     if (!dest || !src) OVMI_EXCEPTION_HOOK;
 
-    memmove(&memory[dest], &memory[src], count);
+    if (src + count > dest) {
+        memmove(&memory[dest], &memory[src], count);
+    } else {
+        memcpy(&memory[dest], &memory[src], count);
+    }
 
     NEXT_OP;
 }
diff --git a/shared/lib/linux_x86_64/lib/libovmwasm.so b/shared/lib/linux_x86_64/lib/libovmwasm.so
index 9368eae7..5c3fa5e1 100755
Binary files a/shared/lib/linux_x86_64/lib/libovmwasm.so and b/shared/lib/linux_x86_64/lib/libovmwasm.so differ