6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-08-05 13:26:55 +00:00
Code Issues Projects Releases Wiki Activity

Drop the hacks used for partial C99 math libraries.

Browse Source 
All supported platforms have half-way decent C99 support.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231679 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer
2015-03-09 18:35:18 +00:00
parent 1bee90c203
commit 0df66b878f
14 changed files with 6 additions and 1200 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
lib/Support/APInt.cpp
View File

@@ -1310,13 +1310,8 @@ APInt APInt::sqrt() const {
// libc sqrt function which will probably use a hardware sqrt computation.
// This should be faster than the algorithm below.
if (magnitude < 52) {
#if HAVE_ROUND
return APInt(BitWidth,
uint64_t(::round(::sqrt(double(isSingleWord()?VAL:pVal[0])))));
#else
return APInt(BitWidth,
uint64_t(::sqrt(double(isSingleWord()?VAL:pVal[0])) + 0.5));
#endif
}
// Okay, all the short cuts are exhausted. We must compute it. The following

2
lib/Support/CMakeLists.txt
View File

@@ -58,8 +58,6 @@ add_llvm_library(LLVMSupport
IntEqClasses.cpp
IntervalMap.cpp
IntrusiveRefCntPtr.cpp
IsInf.cpp
IsNAN.cpp
LEB128.cpp
LineIterator.cpp
Locale.cpp

49
lib/Support/IsInf.cpp
View File

@@ -1,49 +0,0 @@
//===-- IsInf.cpp - Platform-independent wrapper around C99 isinf() -------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Platform-independent wrapper around C99 isinf()
//
//===----------------------------------------------------------------------===//
#include "llvm/Config/config.h"
#if HAVE_ISINF_IN_MATH_H
# include <math.h>
#elif HAVE_ISINF_IN_CMATH
# include <cmath>
#elif HAVE_STD_ISINF_IN_CMATH
# include <cmath>
using std::isinf;
#elif HAVE_FINITE_IN_IEEEFP_H
// A handy workaround I found at http://www.unixguide.net/sun/faq ...
// apparently this has been a problem with Solaris for years.
# include <ieeefp.h>
static int isinf(double x) { return !finite(x) && x==x; }
#elif defined(_MSC_VER)
#include <float.h>
#define isinf(X) (!_finite(X))
#elif defined(_AIX) && defined(__GNUC__)
// GCC's fixincludes seems to be removing the isinf() declaration from the
// system header /usr/include/math.h
# include <math.h>
static int isinf(double x) { return !finite(x) && x==x; }
#elif defined(__hpux)
// HP-UX is "special"
#include <math.h>
static int isinf(double x) { return ((x) == INFINITY) || ((x) == -INFINITY); }
#else
# error "Don't know how to get isinf()"
#endif
namespace llvm {
int IsInf(float f) { return isinf(f); }
int IsInf(double d) { return isinf(d); }
} // end namespace llvm;

33
lib/Support/IsNAN.cpp
View File

@@ -1,33 +0,0 @@
//===-- IsNAN.cpp ---------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Platform-independent wrapper around C99 isnan().
//
//===----------------------------------------------------------------------===//
#include "llvm/Config/config.h"
#if HAVE_ISNAN_IN_MATH_H
# include <math.h>
#elif HAVE_ISNAN_IN_CMATH
# include <cmath>
#elif HAVE_STD_ISNAN_IN_CMATH
# include <cmath>
using std::isnan;
#elif defined(_MSC_VER)
#include <float.h>
#define isnan _isnan
#else
# error "Don't know how to get isnan()"
#endif
namespace llvm {
int IsNAN(float f) { return isnan(f); }
int IsNAN(double d) { return isnan(d); }
} // end namespace llvm;