From 2aeb6121a19aca7c317619f7ec37d7a770e9f03b Mon Sep 17 00:00:00 2001
From: Jim Grosbach <grosbach@apple.com>
Date: Fri, 19 Nov 2010 22:14:31 +0000
Subject: [PATCH] Add ARM encoding information for STRD.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119852 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/ARM/ARMInstrFormats.td | 17 ++---------------
 lib/Target/ARM/ARMInstrInfo.td    |  4 ++--
 2 files changed, 4 insertions(+), 17 deletions(-)

diff --git a/lib/Target/ARM/ARMInstrFormats.td b/lib/Target/ARM/ARMInstrFormats.td
index 977c5e54a6f..5d963d7d90e 100644
--- a/lib/Target/ARM/ARMInstrFormats.td
+++ b/lib/Target/ARM/ARMInstrFormats.td
@@ -510,7 +510,7 @@ class AI3ldstidx<bits<4> op, bit op20, bit isLd, bit isPre, dag oops, dag iops,
 }
 
 // stores
-class AI3sth<dag oops, dag iops, Format f, InstrItinClass itin,
+class AI3str<bits<4> op, dag oops, dag iops, Format f, InstrItinClass itin,
              string opc, string asm, list<dag> pattern>
   : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
       opc, asm, "", pattern> {
@@ -525,22 +525,9 @@ class AI3sth<dag oops, dag iops, Format f, InstrItinClass itin,
   let Inst{19-16} = addr{12-9};   // Rn
   let Inst{15-12} = Rt;           // Rt
   let Inst{11-8}  = addr{7-4};    // imm7_4/zero
-  let Inst{7-4}   = 0b1011;
+  let Inst{7-4}   = op;
   let Inst{3-0}   = addr{3-0};    // imm3_0/Rm
 }
-class AI3std<dag oops, dag iops, Format f, InstrItinClass itin,
-             string opc, string asm, list<dag> pattern>
-  : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
-      opc, asm, "", pattern> {
-  let Inst{4}     = 1;
-  let Inst{5}     = 1; // H bit
-  let Inst{6}     = 1; // S bit
-  let Inst{7}     = 1;
-  let Inst{20}    = 0; // L bit
-  let Inst{21}    = 0; // W bit
-  let Inst{24}    = 1; // P bit
-  let Inst{27-25} = 0b000;
-}
 
 // Pre-indexed stores
 class AI3sthpr<dag oops, dag iops, Format f, InstrItinClass itin,
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td
index 336c2c68a8d..02db6ab0d51 100644
--- a/lib/Target/ARM/ARMInstrInfo.td
+++ b/lib/Target/ARM/ARMInstrInfo.td
@@ -1692,14 +1692,14 @@ def LDRSHT : AI3ldstidx<0b1111, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
 // Store
 
 // Stores with truncate
-def STRH : AI3sth<(outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
+def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
                IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
                [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
 
 // Store doubleword
 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1,
     isCodeGenOnly = 1 in  // $src2 doesn't exist in asm string
-def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
+def STRD : AI3str<0b1111, (outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
                StMiscFrm, IIC_iStore_d_r,
                "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
 
-- 
2.34.1