From: frief <frief@4a8a32a2-be11-0410-ad9d-d568d2c75423>
Date: Sat, 15 May 2004 20:48:32 +0000 (+0000)
Subject: save 2 bytes stack space with the option --main-return. The ljmp could probably be... 
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=54e36d034b522545f65a088bd90e1ee15ab8c32b;p=fw%2Fsdcc

save 2 bytes stack space with the option --main-return. The ljmp could probably be avoided too?


git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@3311 4a8a32a2-be11-0410-ad9d-d568d2c75423
---

diff --git a/src/SDCCglue.c b/src/SDCCglue.c
index d8f216e2..9b3b509f 100644
--- a/src/SDCCglue.c
+++ b/src/SDCCglue.c
@@ -1880,21 +1880,18 @@ glue (void)
       /* entry point @ start of CSEG */
       fprintf (asmFile, "__sdcc_program_startup:\n");
 
-      /* put in the call to main */
-      fprintf (asmFile, "\tlcall\t_main\n");
+      /* put in jump or call to main */
       if (options.mainreturn)
-	{
-
-	  fprintf (asmFile, ";\treturn from main ; will return to caller\n");
-	  fprintf (asmFile, "\tret\n");
-
-	}
+        {
+          fprintf (asmFile, "\tljmp\t_main\n");   /* needed? */
+          fprintf (asmFile, ";\treturn from main will return to caller\n");
+        }
       else
-	{
-
-	  fprintf (asmFile, ";\treturn from main will lock up\n");
-	  fprintf (asmFile, "\tsjmp .\n");
-	}
+        {
+          fprintf (asmFile, "\tlcall\t_main\n");
+          fprintf (asmFile, ";\treturn from main will lock up\n");
+          fprintf (asmFile, "\tsjmp .\n");
+        }
     }
   copyFile (asmFile, code->oFile);