MIPS: [turbofan] Add new Float32Abs and Float64Abs operators.

src/mips/assembler-mips.h

Index: src/mips/assembler-mips.h
diff --git a/src/mips/assembler-mips.h b/src/mips/assembler-mips.h
index 73511ac5333aca3cddd3f353fee70ad16a8043cc..1e5748c27d5131b42ad6b98298ba331c31fbf132 100644
--- a/src/mips/assembler-mips.h
+++ b/src/mips/assembler-mips.h
@@ -893,6 +893,7 @@ class Assembler : public AssemblerBase {
   void madd_d(FPURegister fd, FPURegister fr, FPURegister fs, FPURegister ft);
   void div_s(FPURegister fd, FPURegister fs, FPURegister ft);
   void div_d(FPURegister fd, FPURegister fs, FPURegister ft);
+  void abs_s(FPURegister fd, FPURegister fs);
   void abs_d(FPURegister fd, FPURegister fs);
   void mov_d(FPURegister fd, FPURegister fs);
   void neg_s(FPURegister fd, FPURegister fs);