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[vm] Drop support for MSVC older than 2013

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Google has required MSVC 2013 since Q2 2015, and Chromium has required
MSVC 2015 since Dec 2016. It seems safe for Dart to assume MSVC 2013.

Change-Id: I2ad2549d70b0a96085aa96e90ef15ad4c7b7acb8
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/107062
Reviewed-by: Régis Crelier <regis@google.com>
Commit-Queue: Matthew Dempsky <mdempsky@google.com>
This commit is contained in:
Matthew Dempsky 2019-07-01 23:38:10 +00:00 committed by commit-bot@chromium.org
parent bbb027aa2a
commit f4824d332d
3 changed files with 0 additions and 81 deletions
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79
runtime/platform/c99_support_win.h
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@ -1,79 +0,0 @@
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#ifndef RUNTIME_PLATFORM_C99_SUPPORT_WIN_H_
#define RUNTIME_PLATFORM_C99_SUPPORT_WIN_H_
#if defined(_MSC_VER) && (_MSC_VER < 1800)
// Before Visual Studio 2013 Visual C++ was missing a bunch of C99 math macros
// and functions. Define them here.
#include <float.h>
#include <string.h>
#include <cmath>
static const unsigned __int64 kQuietNaNMask =
static_cast<unsigned __int64>(0xfff) << 51;
#ifndef va_copy
#define va_copy(dst, src) (memmove(&(dst), &(src), sizeof(dst)))
#endif /* va_copy */
#define NAN *reinterpret_cast<const double*>(&kQuietNaNMask)
namespace std {
static inline int isinf(double x) {
return (_fpclass(x) & (_FPCLASS_PINF | _FPCLASS_NINF)) != 0;
}
static inline int isnan(double x) {
return _isnan(x);
}
static inline int signbit(double x) {
if (x == 0) {
return _fpclass(x) & _FPCLASS_NZ;
} else {
return x < 0;
}
}
} // namespace std
static inline double trunc(double x) {
if (x < 0) {
return ceil(x);
} else {
return floor(x);
}
}
static inline double round(double x) {
if (!_finite(x)) {
return x;
}
double intpart;
double fractpart = modf(x, &intpart);
if (fractpart >= 0.5) {
return intpart + 1;
} else if (fractpart > -0.5) {
return intpart;
} else {
return intpart - 1;
}
}
// Windows does not have strtoll defined.
#if defined(_MSC_VER)
#define strtoll _strtoi64
#endif
#endif
#endif // RUNTIME_PLATFORM_C99_SUPPORT_WIN_H_

1
runtime/platform/globals.h
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@ -77,7 +77,6 @@
#include <sys/types.h>
#if defined(_WIN32)
#include "platform/c99_support_win.h"
#include "platform/floating_point_win.h"
#include "platform/inttypes_support_win.h"
#endif // defined(_WIN32)

1
runtime/platform/platform_sources.gni
View file

@ -15,7 +15,6 @@ platform_sources = [
"atomic_linux.h",
"atomic_macos.h",
"atomic_win.h",
"c99_support_win.h",
"floating_point.h",
"floating_point_win.cc",
"floating_point_win.h",