From 48171e7fbe58bb418f09717813779d03903d35e4 Mon Sep 17 00:00:00 2001
From: Jim Grosbach <grosbach@apple.com>
Date: Sat, 10 Dec 2011 00:01:02 +0000
Subject: [PATCH] ARM add some more pre-UAL VFP mnemonics for convenience when
 porting old code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146300 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/ARM/ARMInstrVFP.td             | 20 ++++++++++++++++++++
 lib/Target/ARM/AsmParser/ARMAsmParser.cpp |  2 +-
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/lib/Target/ARM/ARMInstrVFP.td b/lib/Target/ARM/ARMInstrVFP.td
index 9839ccd770e..7309ccca613 100644
--- a/lib/Target/ARM/ARMInstrVFP.td
+++ b/lib/Target/ARM/ARMInstrVFP.td
@@ -1181,8 +1181,28 @@ def : VFP2MnemonicAlias<"fmdrr", "vmov">;
 def : VFP2MnemonicAlias<"fmuld", "vmul.f64">;
 def : VFP2MnemonicAlias<"fnegs", "vneg.f32">;
 def : VFP2MnemonicAlias<"fnegd", "vneg.f64">;
+def : VFP2MnemonicAlias<"ftosizd", "vcvt.s32.f64">;
+def : VFP2MnemonicAlias<"ftosid", "vcvtr.s32.f64">;
+def : VFP2MnemonicAlias<"ftosizs", "vcvt.s32.f32">;
+def : VFP2MnemonicAlias<"ftosis", "vcvtr.s32.f32">;
+def : VFP2MnemonicAlias<"ftouizd", "vcvt.u32.f64">;
+def : VFP2MnemonicAlias<"ftouid", "vcvtr.u32.f64">;
+def : VFP2MnemonicAlias<"ftouizs", "vcvt.u32.f32">;
+def : VFP2MnemonicAlias<"ftouis", "vcvtr.u32.f32">;
+def : VFP2MnemonicAlias<"fsitod", "vcvt.f64.s32">;
+def : VFP2MnemonicAlias<"fsitos", "vcvt.f32.s32">;
+def : VFP2MnemonicAlias<"fuitod", "vcvt.f64.u32">;
+def : VFP2MnemonicAlias<"fuitos", "vcvt.f32.u32">;
 
 def : VFP2InstAlias<"fmstat${p}", (FMSTAT pred:$p)>;
+def : VFP2InstAlias<"fadds${p} $Sd, $Sn, $Sm",
+                    (VADDS SPR:$Sd, SPR:$Sn, SPR:$Sm, pred:$p)>;
+def : VFP2InstAlias<"faddd${p} $Dd, $Dn, $Dm",
+                    (VADDD DPR:$Dd, DPR:$Dn, DPR:$Dm, pred:$p)>;
+def : VFP2InstAlias<"fsubs${p} $Sd, $Sn, $Sm",
+                    (VSUBS SPR:$Sd, SPR:$Sn, SPR:$Sm, pred:$p)>;
+def : VFP2InstAlias<"fsubd${p} $Dd, $Dn, $Dm",
+                    (VSUBD DPR:$Dd, DPR:$Dn, DPR:$Dm, pred:$p)>;
 
 // No need for the size suffix on VSQRT. It's implied by the register classes.
 def : VFP2InstAlias<"vsqrt${p} $Sd, $Sm", (VSQRTS SPR:$Sd, SPR:$Sm, pred:$p)>;
diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
index 19706e95c8e..72da793d720 100644
--- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
+++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
@@ -4307,7 +4307,7 @@ StringRef ARMAsmParser::splitMnemonic(StringRef Mnemonic,
         Mnemonic == "vcls" || Mnemonic == "vmls" || Mnemonic == "vmrs" ||
         Mnemonic == "vnmls" || Mnemonic == "vqabs" || Mnemonic == "vrecps" ||
         Mnemonic == "vrsqrts" || Mnemonic == "srs" || Mnemonic == "flds" ||
-        Mnemonic == "fmrs" || Mnemonic == "fsqrts" ||
+        Mnemonic == "fmrs" || Mnemonic == "fsqrts" || Mnemonic == "fsubs" ||
         (Mnemonic == "movs" && isThumb()))) {
     Mnemonic = Mnemonic.slice(0, Mnemonic.size() - 1);
     CarrySetting = true;
-- 
2.34.1