From ad4df4c0da1a0e4b091321e1ffdc7973669e4273 Mon Sep 17 00:00:00 2001
From: Johnny Chen <johnny.chen@apple.com>
Date: Mon, 1 Mar 2010 19:22:00 +0000
Subject: [PATCH] Added STRHT for disassembly only and fixed a bug in AI3sthpo
 class where the W bit should be set to 0 instead of 1.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97481 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/ARM/ARMInstrFormats.td |  2 +-
 lib/Target/ARM/ARMInstrInfo.td    | 10 +++++++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/lib/Target/ARM/ARMInstrFormats.td b/lib/Target/ARM/ARMInstrFormats.td
index 7b5a1e3a7ed..76595fa2952 100644
--- a/lib/Target/ARM/ARMInstrFormats.td
+++ b/lib/Target/ARM/ARMInstrFormats.td
@@ -815,7 +815,7 @@ class AI3sthpo<dag oops, dag iops, Format f, InstrItinClass itin,
   let Inst{6}     = 0; // S bit
   let Inst{7}     = 1;
   let Inst{20}    = 0; // L bit
-  let Inst{21}    = 1; // W bit
+  let Inst{21}    = 0; // W bit
   let Inst{24}    = 0; // P bit
   let Inst{27-25} = 0b000;
 }
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td
index cd9c2ccce33..cd295d2712d 100644
--- a/lib/Target/ARM/ARMInstrInfo.td
+++ b/lib/Target/ARM/ARMInstrInfo.td
@@ -1260,7 +1260,7 @@ def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
                      "strd", "\t$src1, $src2, [$base], $offset",
                      "$base = $base_wb", []>;
 
-// STRT and STRBT are for disassembly only.
+// STRT, STRBT, and STRHT are for disassembly only.
 
 def STRT : AI2stwpo<(outs GPR:$base_wb),
                     (ins GPR:$src, GPR:$base,am2offset:$offset),
@@ -1278,6 +1278,14 @@ def STRBT : AI2stbpo<(outs GPR:$base_wb),
   let Inst{21} = 1; // overwrite
 }
 
+def STRHT: AI3sthpo<(outs GPR:$base_wb),
+                    (ins GPR:$src, GPR:$base,am3offset:$offset),
+                    StMiscFrm, IIC_iStoreru,
+                    "strht", "\t$src, [$base], $offset", "$base = $base_wb",
+                    [/* For disassembly only; pattern left blank */]> {
+  let Inst{21} = 1; // overwrite
+}
+
 //===----------------------------------------------------------------------===//
 //  Load / store multiple Instructions.
 //
-- 
2.34.1