| Index: src/mips/lithium-codegen-mips.cc | 
| diff --git a/src/mips/lithium-codegen-mips.cc b/src/mips/lithium-codegen-mips.cc | 
| index d6af3267c4452683b5e9fcfec05779239abc6d22..88adcd421769ccd5f448e5ba7ee66abd8f928e90 100644 | 
| --- a/src/mips/lithium-codegen-mips.cc | 
| +++ b/src/mips/lithium-codegen-mips.cc | 
| @@ -2183,10 +2183,13 @@ void LCodeGen::DoBranch(LBranch* instr) { | 
|  | 
| if (expected.Contains(ToBooleanStub::SIMD_VALUE)) { | 
| // SIMD value -> true. | 
| +        Label not_simd; | 
| const Register scratch = scratch1(); | 
| __ lbu(scratch, FieldMemOperand(map, Map::kInstanceTypeOffset)); | 
| -        __ Branch(instr->TrueLabel(chunk_), eq, scratch, | 
| -                  Operand(FLOAT32X4_TYPE)); | 
| +        __ Branch(¬_simd, lt, at, Operand(FIRST_SIMD_VALUE_TYPE)); | 
| +        __ Branch(instr->TrueLabel(chunk_), le, scratch, | 
| +                  Operand(LAST_SIMD_VALUE_TYPE)); | 
| +        __ bind(¬_simd); | 
| } | 
|  | 
| if (expected.Contains(ToBooleanStub::HEAP_NUMBER)) { | 
| @@ -5748,6 +5751,48 @@ Condition LCodeGen::EmitTypeofIs(Label* true_label, | 
| *cmp2 = Operand(FLOAT32X4_TYPE); | 
| final_branch_condition = eq; | 
|  | 
| +  } else if (String::Equals(type_name, factory->int32x4_string())) { | 
| +    __ JumpIfSmi(input, false_label); | 
| +    __ GetObjectType(input, input, scratch); | 
| +    *cmp1 = scratch; | 
| +    *cmp2 = Operand(INT32X4_TYPE); | 
| +    final_branch_condition = eq; | 
| + | 
| +  } else if (String::Equals(type_name, factory->bool32x4_string())) { | 
| +    __ JumpIfSmi(input, false_label); | 
| +    __ GetObjectType(input, input, scratch); | 
| +    *cmp1 = scratch; | 
| +    *cmp2 = Operand(BOOL32X4_TYPE); | 
| +    final_branch_condition = eq; | 
| + | 
| +  } else if (String::Equals(type_name, factory->int16x8_string())) { | 
| +    __ JumpIfSmi(input, false_label); | 
| +    __ GetObjectType(input, input, scratch); | 
| +    *cmp1 = scratch; | 
| +    *cmp2 = Operand(INT16X8_TYPE); | 
| +    final_branch_condition = eq; | 
| + | 
| +  } else if (String::Equals(type_name, factory->bool16x8_string())) { | 
| +    __ JumpIfSmi(input, false_label); | 
| +    __ GetObjectType(input, input, scratch); | 
| +    *cmp1 = scratch; | 
| +    *cmp2 = Operand(BOOL16X8_TYPE); | 
| +    final_branch_condition = eq; | 
| + | 
| +  } else if (String::Equals(type_name, factory->int8x16_string())) { | 
| +    __ JumpIfSmi(input, false_label); | 
| +    __ GetObjectType(input, input, scratch); | 
| +    *cmp1 = scratch; | 
| +    *cmp2 = Operand(INT8X16_TYPE); | 
| +    final_branch_condition = eq; | 
| + | 
| +  } else if (String::Equals(type_name, factory->bool8x16_string())) { | 
| +    __ JumpIfSmi(input, false_label); | 
| +    __ GetObjectType(input, input, scratch); | 
| +    *cmp1 = scratch; | 
| +    *cmp2 = Operand(BOOL8X16_TYPE); | 
| +    final_branch_condition = eq; | 
| + | 
| } else { | 
| *cmp1 = at; | 
| *cmp2 = Operand(zero_reg);  // Set to valid regs, to avoid caller assertion. | 
|  |