MIPS: Add rounding support in simulator and RINT instruction.

src/mips64/assembler-mips64.h

Index: src/mips64/assembler-mips64.h
diff --git a/src/mips64/assembler-mips64.h b/src/mips64/assembler-mips64.h
index 70f2eefd41bbe174938f7d0607062c3bad4e6975..cece574b744624585adf1cbca0bf0b4e36e62e6f 100644
--- a/src/mips64/assembler-mips64.h
+++ b/src/mips64/assembler-mips64.h
@@ -942,6 +942,8 @@ class Assembler : public AssemblerBase {
   void floor_w_d(FPURegister fd, FPURegister fs);
   void ceil_w_s(FPURegister fd, FPURegister fs);
   void ceil_w_d(FPURegister fd, FPURegister fs);
+  void rint(SecondaryField fmt, FPURegister fd, FPURegister fs);

[balazs.kilvady, 2015/04/24 15:38:16]

I think rint_s() and rint_d() should be implemented instead of using
SecondaryField param to match to all the other instructions.

[Djordje.Pesic, 2015/04/27 12:46:58]

Done.

+
 
   void cvt_l_s(FPURegister fd, FPURegister fs);
   void cvt_l_d(FPURegister fd, FPURegister fs);