From 561e4e18cfb296cad59e9d284c6a1e5657f2daff Mon Sep 17 00:00:00 2001
From: Jim Grosbach <grosbach@apple.com>
Date: Tue, 13 Dec 2011 20:23:22 +0000
Subject: ARM pre-UAL NEG mnemonic for convenience when porting old code.

llvm-svn: 146511
---
 llvm/lib/Target/ARM/ARMInstrThumb.td | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'llvm/lib/Target/ARM/ARMInstrThumb.td')

diff --git a/llvm/lib/Target/ARM/ARMInstrThumb.td b/llvm/lib/Target/ARM/ARMInstrThumb.td
index c6cc98db66c..ac1a2294a7c 100644
--- a/llvm/lib/Target/ARM/ARMInstrThumb.td
+++ b/llvm/lib/Target/ARM/ARMInstrThumb.td
@@ -1131,9 +1131,6 @@ def tRSB :                      // A8.6.141
                "rsb", "\t$Rd, $Rn, #0",
                [(set tGPR:$Rd, (ineg tGPR:$Rn))]>;
 
-def : tInstAlias<"neg${s}${p} $Rd, $Rm",
-                 (tRSB tGPR:$Rd, s_cc_out:$s, tGPR:$Rm, pred:$p)>;
-
 // Subtract with carry register
 let Uses = [CPSR] in
 def tSBC :                      // A8.6.151
@@ -1435,3 +1432,8 @@ def : InstAlias<"nop", (tMOVr R8, R8, 14, 0)>,Requires<[IsThumb, IsThumb1Only]>;
 // nothing).
 def : tInstAlias<"cps$imod", (tCPS imod_op:$imod, 0)>;
 def : tInstAlias<"cps$imod", (tCPS imod_op:$imod, 0)>;
+
+// "neg" is and alias for "rsb rd, rn, #0"
+def : tInstAlias<"neg${s}${p} $Rd, $Rm",
+                 (tRSB tGPR:$Rd, s_cc_out:$s, tGPR:$Rm, pred:$p)>;
+
-- 
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