MIPS: [turbofan] Add backend support for float32 operations.

src/mips/macro-assembler-mips.h

Index: src/mips/macro-assembler-mips.h
diff --git a/src/mips/macro-assembler-mips.h b/src/mips/macro-assembler-mips.h
index 481c7d4a522c4eb694263b5c393b1d68d00047ce..37d8d308bb1bbfc377187926d333e7483c66177b 100644
--- a/src/mips/macro-assembler-mips.h
+++ b/src/mips/macro-assembler-mips.h
@@ -771,7 +771,11 @@ class MacroAssembler: public Assembler {
   // general-purpose register.
   void Mfhc1(Register rt, FPURegister fs);
 
-  // Wrapper function for the different cmp/branch types.
+  // Wrapper functions for the different cmp/branch types.
+  void BranchFSize(SecondaryField sizeField, Label* target, Label* nan,
+                   Condition cc, FPURegister cmp1, FPURegister cmp2,
+                   BranchDelaySlot bd = PROTECT);
+
   void BranchF(Label* target,
                Label* nan,
                Condition cc,
@@ -779,6 +783,9 @@ class MacroAssembler: public Assembler {
                FPURegister cmp2,
                BranchDelaySlot bd = PROTECT);
 
+  void BranchFS(Label* target, Label* nan, Condition cc, FPURegister cmp1,
+                FPURegister cmp2, BranchDelaySlot bd = PROTECT);
+
   // Alternate (inline) version for better readability with USE_DELAY_SLOT.
   inline void BranchF(BranchDelaySlot bd,
                       Label* target,
@@ -789,6 +796,11 @@ class MacroAssembler: public Assembler {
     BranchF(target, nan, cc, cmp1, cmp2, bd);
   }
 
+  inline void BranchFS(BranchDelaySlot bd, Label* target, Label* nan,
+                       Condition cc, FPURegister cmp1, FPURegister cmp2) {
+    BranchFS(target, nan, cc, cmp1, cmp2, bd);
+  }
+
   // Truncates a double using a specific rounding mode, and writes the value
   // to the result register.
   // The except_flag will contain any exceptions caused by the instruction.