Inlining Math.min and Math.max in crankshaft.

src/x64/lithium-codegen-x64.cc

Index: src/x64/lithium-codegen-x64.cc
diff --git a/src/x64/lithium-codegen-x64.cc b/src/x64/lithium-codegen-x64.cc
index 1170e890d4e77a934ac9bc9258936b116b83027a..c9db6875d6a7e2c8a8b3692e9aa4229bac1adc84 100644
--- a/src/x64/lithium-codegen-x64.cc
+++ b/src/x64/lithium-codegen-x64.cc
@@ -3547,6 +3547,7 @@ void LCodeGen::DoSmiUntag(LSmiUntag* instr) {
 void LCodeGen::EmitNumberUntagD(Register input_reg,
                                 XMMRegister result_reg,
                                 bool deoptimize_on_undefined,
+                                bool deoptimize_on_minus_zero,
                                 LEnvironment* env) {
   Label load_smi, done;
 
@@ -3574,6 +3575,15 @@ void LCodeGen::EmitNumberUntagD(Register input_reg,
   }
   // Heap number to XMM conversion.
   __ movsd(result_reg, FieldOperand(input_reg, HeapNumber::kValueOffset));
+  if (deoptimize_on_minus_zero) {
+    XMMRegister xmm_scratch = xmm0;
+    __ xorps(xmm_scratch, xmm_scratch);
+    __ ucomisd(xmm_scratch, result_reg);
+    __ j(not_equal, &done, Label::kNear);
+    __ movmskpd(kScratchRegister, result_reg);
+    __ testq(kScratchRegister, Immediate(1));
+    DeoptimizeIf(not_zero, env);
+  }
   __ jmp(&done, Label::kNear);
 
   // Smi to XMM conversion
@@ -3665,6 +3675,7 @@ void LCodeGen::DoNumberUntagD(LNumberUntagD* instr) {
 
   EmitNumberUntagD(input_reg, result_reg,
                    instr->hydrogen()->deoptimize_on_undefined(),
+                   instr->hydrogen()->deoptimize_on_minus_zero(),
                    instr->environment());
 }