Move generated math methods from platform to codegen

src/platform-win32.cc

Index: src/platform-win32.cc
diff --git a/src/platform-win32.cc b/src/platform-win32.cc
index 11dcdcc769c87382dccf2abb7d52512336fff2b2..08d03e14906c5c3fe3fe9fb86d56f777f4b74df4 100644
--- a/src/platform-win32.cc
+++ b/src/platform-win32.cc
@@ -19,7 +19,6 @@
 
 #include "v8.h"
 
-#include "codegen.h"
 #include "isolate-inl.h"
 #include "platform.h"
 
@@ -130,68 +129,6 @@ void OS::MemMove(void* dest, const void* src, size_t size) {
 
 #endif  // V8_TARGET_ARCH_IA32
 
-#ifdef _WIN64
-typedef double (*ModuloFunction)(double, double);
-static ModuloFunction modulo_function = NULL;
-// Defined in codegen-x64.cc.
-ModuloFunction CreateModuloFunction();
-
-void init_modulo_function() {
-  modulo_function = CreateModuloFunction();
-}
-
-
-double modulo(double x, double y) {
-  // Note: here we rely on dependent reads being ordered. This is true
-  // on all architectures we currently support.
-  return (*modulo_function)(x, y);
-}
-#else  // Win32
-
-double modulo(double x, double y) {
-  // Workaround MS fmod bugs. ECMA-262 says:
-  // dividend is finite and divisor is an infinity => result equals dividend
-  // dividend is a zero and divisor is nonzero finite => result equals dividend
-  if (!(std::isfinite(x) && (!std::isfinite(y) && !std::isnan(y))) &&
-      !(x == 0 && (y != 0 && std::isfinite(y)))) {
-    x = fmod(x, y);
-  }
-  return x;
-}
-
-#endif  // _WIN64
-
-
-#define UNARY_MATH_FUNCTION(name, generator)             \
-static UnaryMathFunction fast_##name##_function = NULL;  \
-void init_fast_##name##_function() {                     \
-  fast_##name##_function = generator;                    \
-}                                                        \
-double fast_##name(double x) {                           \
-  return (*fast_##name##_function)(x);                   \
-}
-
-UNARY_MATH_FUNCTION(exp, CreateExpFunction())
-UNARY_MATH_FUNCTION(sqrt, CreateSqrtFunction())
-
-#undef UNARY_MATH_FUNCTION
-
-
-void lazily_initialize_fast_exp() {
-  if (fast_exp_function == NULL) {
-    init_fast_exp_function();
-  }
-}
-
-
-void MathSetup() {
-#ifdef _WIN64
-  init_modulo_function();
-#endif
-  // fast_exp is initialized lazily.
-  init_fast_sqrt_function();
-}
-
 
 class TimezoneCache {
  public:
@@ -516,9 +453,6 @@ char* Win32Time::LocalTimezone(TimezoneCache* cache) {
 
 
 void OS::PostSetUp() {
-  // Math functions depend on CPU features therefore they are initialized after
-  // CPU.
-  MathSetup();
 #if V8_TARGET_ARCH_IA32
   OS::MemMoveFunction generated_memmove = CreateMemMoveFunction();
   if (generated_memmove != NULL) {