Inlining Math.min and Math.max in crankshaft.

src/arm/lithium-codegen-arm.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3885 matching lines @@
     DeoptimizeIf(cs, instr->environment());
   } else {
     __ SmiUntag(ToRegister(input));
   }
 }
 
 
 void LCodeGen::EmitNumberUntagD(Register input_reg,
                                 DoubleRegister result_reg,
                                 bool deoptimize_on_undefined,
+                                bool deoptimize_on_minus_zero,
                                 LEnvironment* env) {
   Register scratch = scratch0();
   SwVfpRegister flt_scratch = double_scratch0().low();
   ASSERT(!result_reg.is(double_scratch0()));
 
   Label load_smi, heap_number, done;
 
   // Smi check.
   __ JumpIfSmi(input_reg, &load_smi);
 
@@ skipping 15 matching lines @@
     __ LoadRoot(ip, Heap::kNanValueRootIndex);
     __ sub(ip, ip, Operand(kHeapObjectTag));
     __ vldr(result_reg, ip, HeapNumber::kValueOffset);
     __ jmp(&done);
 
     __ bind(&heap_number);
   }
   // Heap number to double register conversion.
   __ sub(ip, input_reg, Operand(kHeapObjectTag));
   __ vldr(result_reg, ip, HeapNumber::kValueOffset);
+  if (deoptimize_on_minus_zero) {
+    __ vmov(ip, result_reg.low());
+    __ cmp(ip, Operand(0));
+    __ b(ne, &done);
+    __ vmov(ip, result_reg.high());
+    __ cmp(ip, Operand(HeapNumber::kSignMask));
+    DeoptimizeIf(eq, env);
+  }
   __ jmp(&done);
 
   // Smi to double register conversion
   __ bind(&load_smi);
   __ SmiUntag(input_reg);  // Untag smi before converting to float.
   __ vmov(flt_scratch, input_reg);
   __ vcvt_f64_s32(result_reg, flt_scratch);
   __ SmiTag(input_reg);  // Retag smi.
   __ bind(&done);
 }
@@ skipping 113 matching lines @@
   LOperand* input = instr->InputAt(0);
   ASSERT(input->IsRegister());
   LOperand* result = instr->result();
   ASSERT(result->IsDoubleRegister());
 
   Register input_reg = ToRegister(input);
   DoubleRegister result_reg = ToDoubleRegister(result);
 
   EmitNumberUntagD(input_reg, result_reg,
                    instr->hydrogen()->deoptimize_on_undefined(),
+                   instr->hydrogen()->deoptimize_on_minus_zero(),
                    instr->environment());
 }
 
 
 void LCodeGen::DoDoubleToI(LDoubleToI* instr) {
   Register result_reg = ToRegister(instr->result());
   Register scratch1 = scratch0();
   Register scratch2 = ToRegister(instr->TempAt(0));
   DwVfpRegister double_input = ToDoubleRegister(instr->InputAt(0));
   SwVfpRegister single_scratch = double_scratch0().low();
@@ skipping 690 matching lines @@
   ASSERT(osr_pc_offset_ == -1);
   osr_pc_offset_ = masm()->pc_offset();
 }
 
 
 
 
 #undef __
 
 } }  // namespace v8::internal