ARM: Fix disasm for strh, vabs, vneg. Add load/store tests.

src/arm/disasm-arm.cc

Index: src/arm/disasm-arm.cc
diff --git a/src/arm/disasm-arm.cc b/src/arm/disasm-arm.cc
index a3775b5fca48ba257bcbb9aa1d66f2ca0cf6f117..d4bd81ce464c9c5a7576f6a18f24a94e02cc41ba 100644
--- a/src/arm/disasm-arm.cc
+++ b/src/arm/disasm-arm.cc
@@ -502,13 +502,16 @@ int Decoder::FormatOption(Instruction* instr, const char* format) {
         ASSERT(STRING_STARTS_WITH(format, "memop"));
         if (instr->HasL()) {
           Print("ldr");
-        } else if ((instr->Bits(27, 25) == 0) && (instr->Bit(20) == 0)) {
-          if (instr->Bits(7, 4) == 0xf) {
-            Print("strd");
-          } else {
-            Print("ldrd");
-          }
         } else {
+          if ((instr->Bits(27, 25) == 0) && (instr->Bit(20) == 0) &&
+              (instr->Bits(7, 6) == 3) && (instr->Bit(4) == 1)) {
+            if (instr->Bit(5) == 1) {
+              Print("strd");
+            } else {
+              Print("ldrd");
+            }
+            return 5;
+          }
           Print("str");
         }
         return 5;
@@ -1086,10 +1089,10 @@ void Decoder::DecodeTypeVFP(Instruction* instr) {
         }
       } else if ((instr->Opc2Value() == 0x0) && (instr->Opc3Value() == 0x3)) {
         // vabs
-        Format(instr, "vabs'cond 'Dd, 'Dm");
+        Format(instr, "vabs.f64'cond 'Dd, 'Dm");
       } else if ((instr->Opc2Value() == 0x1) && (instr->Opc3Value() == 0x1)) {
         // vneg
-        Format(instr, "vneg'cond 'Dd, 'Dm");
+        Format(instr, "vneg.f64'cond 'Dd, 'Dm");
       } else if ((instr->Opc2Value() == 0x7) && (instr->Opc3Value() == 0x3)) {
         DecodeVCVTBetweenDoubleAndSingle(instr);
       } else if ((instr->Opc2Value() == 0x8) && (instr->Opc3Value() & 0x1)) {