Skip ResizeMemory if no need to grow

5 years ago · 4c01ba4ba7
parent b598063d86
commit 4c01ba4ba7
1 changed files with 3 additions and 0 deletions
--- a/source/m3_exec.c
+++ b/source/m3_exec.c
@ -120,6 +120,9 @@ d_m3OpDef  (MemGrow)
    u32 requiredPages = memory->numPages + numPagesToGrow;
    _r0 = memory->numPages;

+    if (numPagesToGrow == 0)
+        return nextOp ();
+
    M3Result r = ResizeMemory (runtime, requiredPages);
    if (r)
        _r0 = -1;