Add vcvt.s32.f32 instruction to the integrated ARM assembler.

src/IceAssemblerARM32.cpp

 //===- subzero/src/IceAssemblerARM32.cpp - Assembler for ARM32 --*- C++ -*-===//
 //
 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 //
 // Modified by the Subzero authors.
 //
 //===----------------------------------------------------------------------===//
 //
@@ skipping 2115 matching lines @@
   constexpr IValueT VFPOpcode = B27 | B26 | B25 | B11 | B9;
   const IValueT Encoding =
       Opcode | VFPOpcode | (encodeCondition(Cond) << kConditionShift) |
       (getYInRegXXXXY(Sd) << 22) | (getXXXXInRegXXXXY(Sd) << 12) |
       (getYInRegYXXXX(Dm) << 5) | getXXXXInRegYXXXX(Dm);
   emitInst(Encoding);
 }
 
 void AssemblerARM32::vcvtsd(const Operand *OpSd, const Operand *OpDm,
                             CondARM32::Cond Cond) {
-  constexpr const char *Vcvtsd = "vctsd";
+  constexpr const char *Vcvtsd = "vcvtsd";
   IValueT Sd = encodeSRegister(OpSd, "Sd", Vcvtsd);
   IValueT Dm = encodeDRegister(OpDm, "Dm", Vcvtsd);
   constexpr IValueT VcvtsdOpcode =
       B23 | B21 | B20 | B18 | B17 | B16 | B8 | B7 | B6;
   emitVFPsd(Cond, VcvtsdOpcode, Sd, Dm);
 }
 
+void AssemblerARM32::vcvtis(const Operand *OpSd, const Operand *OpSm,
+                            CondARM32::Cond Cond) {
+  // VCVT (between floating-point and integer, Floating-point)
+  //      - ARM Section A8.8.306, encoding A1:
+  //   vcvt<c>.s32.f32 <Sd>, <Sm>
+  //
+  // cccc11101D111101dddd10101M0mmmm where cccc=Cond, ddddD=Sd, and mmmmM=Sm.
+  constexpr const char *Vcvtis = "vcvtis";
+  IValueT Sd = encodeSRegister(OpSd, "Sd", Vcvtis);
+  IValueT Sm = encodeSRegister(OpSm, "Sm", Vcvtis);
+  constexpr IValueT VcvtsiOpcode = B23 | B21 | B20 | B19 | B18 | B16 | B7 | B6;
+  constexpr IValueT S0 = 0;
+  emitVFPsss(Cond, VcvtsiOpcode, Sd, S0, Sm);
+}
+
 void AssemblerARM32::emitVFPds(CondARM32::Cond Cond, IValueT Opcode, IValueT Dd,
                                IValueT Sm) {
   assert(Dd < RegARM32::getNumDRegs());
   assert(Sm < RegARM32::getNumSRegs());
   assert(CondARM32::isDefined(Cond));
   AssemblerBuffer::EnsureCapacity ensured(&Buffer);
   constexpr IValueT VFPOpcode = B27 | B26 | B25 | B11 | B9;
   const IValueT Encoding =
       Opcode | VFPOpcode | (encodeCondition(Cond) << kConditionShift) |
       (getYInRegYXXXX(Dd) << 22) | (getXXXXInRegYXXXX(Dd) << 12) |
@@ skipping 252 matching lines @@
   //
   // cccc11010D101101dddd1010iiiiiiii where cccc=Cond, ddddD=BaseReg, and
   // iiiiiiii=NumConsecRegs.
   constexpr IValueT VpushOpcode =
       B27 | B26 | B24 | B21 | B19 | B18 | B16 | B11 | B9;
   emitVStackOp(Cond, VpushOpcode, OpBaseReg, NumConsecRegs);
 }
 
 } // end of namespace ARM32
 } // end of namespace Ice