[x64] Implement vsqrtsd AVX instruction.

src/x64/code-stubs-x64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
 #include "src/ic/handler-compiler.h"
@@ skipping 345 matching lines @@
 
       // Set result to Infinity in the special case.
       __ Xorpd(double_result, double_result);
       __ subsd(double_result, double_scratch);
       __ jmp(&done);
 
       __ bind(&continue_sqrt);
       // sqrtsd returns -0 when input is -0.  ECMA spec requires +0.
       __ Xorpd(double_scratch, double_scratch);
       __ addsd(double_scratch, double_base);  // Convert -0 to 0.
-      __ sqrtsd(double_result, double_scratch);
+      __ Sqrtsd(double_result, double_scratch);
       __ jmp(&done);
 
       // Test for -0.5.
       __ bind(&not_plus_half);
       // Load double_scratch with -0.5 by substracting 1.
       __ subsd(double_scratch, double_result);
       // Already ruled out NaNs for exponent.
       __ Ucomisd(double_scratch, double_exponent);
       __ j(not_equal, &fast_power, Label::kNear);
 
@@ skipping 10 matching lines @@
       __ j(carry, &continue_rsqrt, Label::kNear);
 
       // Set result to 0 in the special case.
       __ Xorpd(double_result, double_result);
       __ jmp(&done);
 
       __ bind(&continue_rsqrt);
       // sqrtsd returns -0 when input is -0.  ECMA spec requires +0.
       __ Xorpd(double_exponent, double_exponent);
       __ addsd(double_exponent, double_base);  // Convert -0 to +0.
-      __ sqrtsd(double_exponent, double_exponent);
+      __ Sqrtsd(double_exponent, double_exponent);
       __ divsd(double_result, double_exponent);
       __ jmp(&done);
     }
 
     // Using FPU instructions to calculate power.
     Label fast_power_failed;
     __ bind(&fast_power);
     __ fnclex();  // Clear flags to catch exceptions later.
     // Transfer (B)ase and (E)xponent onto the FPU register stack.
     __ subp(rsp, Immediate(kDoubleSize));
@@ skipping 5187 matching lines @@
                            kStackSpace, nullptr, return_value_operand, NULL);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64