From 6357caec785268d1e39059d03eb2034dee65467f Mon Sep 17 00:00:00 2001
From: Jim Grosbach <grosbach@apple.com>
Date: Thu, 15 Mar 2012 20:48:18 +0000
Subject: [PATCH] ARM aliases for pre-unified syntax fcmpz[sd] mnemonics.

rdar://11056647

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152834 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/ARM/ARMInstrVFP.td             | 5 +++++
 lib/Target/ARM/AsmParser/ARMAsmParser.cpp | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/Target/ARM/ARMInstrVFP.td b/lib/Target/ARM/ARMInstrVFP.td
index 92b677ccced..b29b31ef35e 100644
--- a/lib/Target/ARM/ARMInstrVFP.td
+++ b/lib/Target/ARM/ARMInstrVFP.td
@@ -1335,6 +1335,11 @@ def : VFP2MnemonicAlias<"fcmpd", "vcmp.f64">;
 def : VFP2MnemonicAlias<"fdivs", "vdiv.f32">;
 def : VFP2MnemonicAlias<"fdivd", "vdiv.f64">;
 
+// Be friendly and accept the old form of zero-compare
+def : VFP2InstAlias<"fcmpzd${p} $val", (VCMPZD DPR:$val, pred:$p)>;
+def : VFP2InstAlias<"fcmpzs${p} $val", (VCMPZS SPR:$val, pred:$p)>;
+
+
 def : VFP2InstAlias<"fmstat${p}", (FMSTAT pred:$p)>;
 def : VFP2InstAlias<"fadds${p} $Sd, $Sn, $Sm",
                     (VADDS SPR:$Sd, SPR:$Sn, SPR:$Sm, pred:$p)>;
diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
index fe93a4c612f..af973e8c1f8 100644
--- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
+++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
@@ -4603,7 +4603,7 @@ StringRef ARMAsmParser::splitMnemonic(StringRef Mnemonic,
         Mnemonic == "vrsqrts" || Mnemonic == "srs" || Mnemonic == "flds" ||
         Mnemonic == "fmrs" || Mnemonic == "fsqrts" || Mnemonic == "fsubs" ||
         Mnemonic == "fsts" || Mnemonic == "fcpys" || Mnemonic == "fdivs" ||
-        Mnemonic == "fmuls" || Mnemonic == "fcmps" ||
+        Mnemonic == "fmuls" || Mnemonic == "fcmps" || Mnemonic == "fcmpzs" ||
         (Mnemonic == "movs" && isThumb()))) {
     Mnemonic = Mnemonic.slice(0, Mnemonic.size() - 1);
     CarrySetting = true;
-- 
2.34.1