MIPS: Implement sqrt in inline assembly.

src/mips/macro-assembler-mips.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3508 matching lines @@
 
 void MacroAssembler::GetCFunctionDoubleResult(const DoubleRegister dst) {
   if (IsMipsSoftFloatABI) {
     Move(dst, v0, v1);
   } else {
     Move(dst, f0);  // Reg f0 is o32 ABI FP return value.
   }
 }
 
 
+void MacroAssembler::GetFromCDoubleArguments(const DoubleRegister dst) {
+  if (IsMipsSoftFloatABI) {
+    Move(dst, a0, a1);
+  } else {
+    Move(dst, f12);  // Reg f12 is o32 ABI FP first argument value.
+  }
+}
+
+
 void MacroAssembler::SetCallCDoubleArguments(DoubleRegister dreg) {
   if (!IsMipsSoftFloatABI) {
     Move(f12, dreg);
   } else {
     Move(a0, a1, dreg);
   }
 }
 
 
+void MacroAssembler::SetForCDoubleResult(DoubleRegister dreg) {
+  if (!IsMipsSoftFloatABI) {
+    Move(f0, dreg);
+  } else {
+    Move(v0, v1, dreg);
+  }
+}
+
+
 void MacroAssembler::SetCallCDoubleArguments(DoubleRegister dreg1,
                                              DoubleRegister dreg2) {
   if (!IsMipsSoftFloatABI) {
     if (dreg2.is(f12)) {
       ASSERT(!dreg1.is(f14));
       Move(f14, dreg2);
       Move(f12, dreg1);
     } else {
       Move(f12, dreg1);
       Move(f14, dreg2);
@@ skipping 2241 matching lines @@
        opcode == BGTZL);
   opcode = (cond == eq) ? BEQ : BNE;
   instr = (instr & ~kOpcodeMask) | opcode;
   masm_.emit(instr);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS