[turbofan] Change TruncateFloat32ToUint64 to TryTruncateFloat32ToUint64.

src/compiler/mips64/code-generator-mips64.cc

Index: src/compiler/mips64/code-generator-mips64.cc
diff --git a/src/compiler/mips64/code-generator-mips64.cc b/src/compiler/mips64/code-generator-mips64.cc
index c03b7949973eebb93d6d8a2d342dc7e125312a09..8e663c0701bd0ba7319af646ad48598a54da65e4 100644
--- a/src/compiler/mips64/code-generator-mips64.cc
+++ b/src/compiler/mips64/code-generator-mips64.cc
@@ -1153,8 +1153,10 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) {
     }
     case kMips64TruncUlS: {
       FPURegister scratch = kScratchDoubleReg;
+      Register result = instr->OutputCount() > 1 ? i.OutputRegister(1) : no_reg;
       // TODO(plind): Fix wrong param order of Trunc_ul_s() macro-asm function.
-      __ Trunc_ul_s(i.InputDoubleRegister(0), i.OutputRegister(), scratch);
+      __ Trunc_ul_s(i.InputDoubleRegister(0), i.OutputRegister(), scratch,
+                    result);
       break;
     }
     case kMips64TruncUlD: {