VM: More refactoring of recognized methods inlining.

runtime/vm/intermediate_language_x64.cc

 // 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.
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_X64.
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/intermediate_language.h"
 
 #include "vm/compiler.h"
@@ skipping 4729 matching lines @@
     case Token::kSUB:
       __ subpl(left, right);
       break;
     default: UNREACHABLE();
   }
 }
 
 
 LocationSummary* MathUnaryInstr::MakeLocationSummary(Zone* zone,
                                                      bool opt) const {
-  if ((kind() == MathUnaryInstr::kSin) || (kind() == MathUnaryInstr::kCos)) {
-    // Calling convention on x64 uses XMM0 and XMM1 to pass the first two
-    // double arguments and XMM0 to return the result. Unfortunately
-    // currently we can't specify these registers because ParallelMoveResolver
-    // assumes that XMM0 is free at all times.
-    // TODO(vegorov): allow XMM0 to be used.
-    const intptr_t kNumTemps = 1;
-    LocationSummary* summary = new(zone) LocationSummary(
-        zone, InputCount(), kNumTemps, LocationSummary::kCall);
-    summary->set_in(0, Location::FpuRegisterLocation(XMM1));
-    // R13 is chosen because it is callee saved so we do not need to back it
-    // up before calling into the runtime.
-    summary->set_temp(0, Location::RegisterLocation(R13));
-    summary->set_out(0, Location::FpuRegisterLocation(XMM1));
-    return summary;
-  }
   ASSERT((kind() == MathUnaryInstr::kSqrt) ||
          (kind() == MathUnaryInstr::kDoubleSquare));
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new(zone) LocationSummary(
       zone, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   if (kind() == MathUnaryInstr::kDoubleSquare) {
     summary->set_out(0, Location::SameAsFirstInput());
   } else {
     summary->set_out(0, Location::RequiresFpuRegister());
   }
   return summary;
 }
 
 
 void MathUnaryInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   if (kind() == MathUnaryInstr::kSqrt) {
     __ sqrtsd(locs()->out(0).fpu_reg(), locs()->in(0).fpu_reg());
   } else if (kind() == MathUnaryInstr::kDoubleSquare) {
     XmmRegister value_reg = locs()->in(0).fpu_reg();
     __ mulsd(value_reg, value_reg);
     ASSERT(value_reg == locs()->out(0).fpu_reg());
   } else {
-    ASSERT((kind() == MathUnaryInstr::kSin) ||
-           (kind() == MathUnaryInstr::kCos));
-    // Save RSP.
-    __ movq(locs()->temp(0).reg(), RSP);
-    __ ReserveAlignedFrameSpace(0);
-    __ movaps(XMM0, locs()->in(0).fpu_reg());
-    __ CallRuntime(TargetFunction(), InputCount());
-    __ movaps(locs()->out(0).fpu_reg(), XMM0);
-    // Restore RSP.
-    __ movq(RSP, locs()->temp(0).reg());
+    UNREACHABLE();
   }
 }
 
 
 LocationSummary* CaseInsensitiveCompareUC16Instr::MakeLocationSummary(
     Zone* zone, bool opt) const {
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new(zone) LocationSummary(
       zone, InputCount(), kNumTemps, LocationSummary::kCall);
   summary->set_in(0, Location::RegisterLocation(CallingConventions::kArg1Reg));
@@ skipping 1808 matching lines @@
   __ Drop(1);
   __ popq(result);
 }
 
 
 }  // namespace dart
 
 #undef __
 
 #endif  // defined TARGET_ARCH_X64