MIPS: Implement sqrt in inline assembly.

src/mips/macro-assembler-mips.cc

Index: src/mips/macro-assembler-mips.cc
diff --git a/src/mips/macro-assembler-mips.cc b/src/mips/macro-assembler-mips.cc
index d67e58e660e8679a320957f9efdc522310632de4..116cb05655305f933a825a140a9ff76fa952fbdd 100644
--- a/src/mips/macro-assembler-mips.cc
+++ b/src/mips/macro-assembler-mips.cc
@@ -3526,6 +3526,15 @@ void MacroAssembler::GetCFunctionDoubleResult(const DoubleRegister dst) {
 }
 
 
+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);
@@ -3535,6 +3544,15 @@ void MacroAssembler::SetCallCDoubleArguments(DoubleRegister 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) {