From: Guillaume Emont <guijemont@igalia.com>
Date: Fri, 21 Dec 2012 13:05:37 +0000 (+0100)
Subject: mips: copyb: only do something if source and dest are different
X-Git-Tag: orc-0.4.17~10
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=85bbf8a0ee93f4d529fd2fc5a163f6195253ccf8;p=platform%2Fupstream%2Forc.git

mips: copyb: only do something if source and dest are different
---

diff --git a/orc/orcrules-mips.c b/orc/orcrules-mips.c
index a61a79c..f64b207 100644
--- a/orc/orcrules-mips.c
+++ b/orc/orcrules-mips.c
@@ -186,7 +186,8 @@ mips_rule_copyb (OrcCompiler *compiler, void *user, OrcInstruction *insn)
   int src = ORC_SRC_ARG (compiler, insn, 0);
   int dest = ORC_DEST_ARG (compiler, insn, 0);
 
-  orc_mips_emit_move (compiler, dest, src);
+  if (dest != src)
+    orc_mips_emit_move (compiler, dest, src);
 }
 
 void