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llvm-6502/include/llvm/Support
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Charlie Turner 364f2f3fcf Emit Tag_ABI_FP_denormal correctly in fast-math mode. 
The default ARM floating-point mode does not support IEEE 754 mode exactly. Of
relevance to this patch is that input denormals are flushed to zero. The way in
which they're flushed to zero depends on the architecture,

  * For VFPv2, it is implementation defined as to whether the sign of zero is
    preserved.
  * For VFPv3 and above, the sign of zero is always preserved when a denormal
    is flushed to zero.

When FP support has been disabled, the strategy taken by this patch is to
assume the software support will mirror the behaviour of the hardware support
for the target *if it existed*. That is, for architectures which can only have
VFPv2, it is assumed the software will flush to positive zero. For later
architectures it is assumed the software will flush to zero preserving sign.

Change-Id: Icc5928633ba222a4ba3ca8c0df44a440445865fd

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223110 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-02 08:22:29 +00:00
..
ELFRelocs Update AArch64 ELF relocations to ABI 1.0 2014-11-26 10:49:18 +00:00
AIXDataTypesFix.h
AlignOf.h Extend llvm::AlignedCharArrayUnion to support up to 10 arguments, as required by Clang's APValue. 2014-01-09 03:28:55 +00:00
Allocator.h Test commit. 2014-11-03 10:58:05 +00:00
ARMBuildAttributes.h Emit Tag_ABI_FP_denormal correctly in fast-math mode. 2014-12-02 08:22:29 +00:00
ARMEHABI.h Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
ARMWinEH.h Support: Delete {aligned_,}{u,}{little,big}8_t 2014-09-11 21:46:33 +00:00
ArrayRecycler.h [C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr. 2014-04-14 00:51:57 +00:00
Atomic.h
BlockFrequency.h blockfreq: Defer to BranchProbability::scale() (again) 2014-04-29 16:31:29 +00:00
BranchProbability.h BranchProb: Simplify printing code 2014-04-29 17:07:42 +00:00
Capacity.h
Casting.h Support: Add *cast_or_null<> for pointer wrappers 2014-11-24 03:13:02 +00:00
CBindingWrapping.h Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
circular_raw_ostream.h [C++11] Make use of 'nullptr' in the Support library. 2014-04-07 04:17:22 +00:00
CodeGen.h Add Position-independent Code model Module API. 2014-11-07 04:46:10 +00:00
COFF.h Calm down build bots 2014-11-14 08:38:17 +00:00
CommandLine.h Rename END_WITH_NULL to LLVM_END_WITH_NULL and move to Compiler.h 2014-11-04 01:12:21 +00:00
Compiler.h Fix an inaccurate comment 2014-11-18 22:17:30 +00:00
Compression.h Simplify compression API by compressing into a SmallVector rather than a MemoryBuffer 2014-04-05 21:53:04 +00:00
ConvertUTF.h Support/ConvertUTF: implement U+FFFD insertion according to the recommendation 2014-06-16 11:09:46 +00:00
CrashRecoveryContext.h Add override to overriden virtual methods, remove virtual keywords. 2014-09-03 11:41:21 +00:00
DataExtractor.h llvm-symbolizer: teach it about PowerPC64 ELF function descriptors 2014-11-07 09:08:39 +00:00
DataStream.h
DataTypes.h.cmake Rename END_WITH_NULL to LLVM_END_WITH_NULL and move to Compiler.h 2014-11-04 01:12:21 +00:00
DataTypes.h.in Rename END_WITH_NULL to LLVM_END_WITH_NULL and move to Compiler.h 2014-11-04 01:12:21 +00:00
Debug.h [Modules] Make Support/Debug.h modular. This requires it to not change 2014-04-21 22:55:11 +00:00
DOTGraphTraits.h
Dwarf.h Modernize doxygen comments in Support/Dwarf.h 2014-10-23 04:08:38 +00:00
DynamicLibrary.h Fix some semantic usability issues with DynamicLibrary. 2014-08-27 18:13:25 +00:00
ELF.h Split ELF relocation defintions into per-architecture .def files 2014-11-21 20:16:02 +00:00
Endian.h [Support][Endian] Overload += and -= 2014-09-11 22:55:25 +00:00
EndianStream.h Fixed a build problem when there were headers 2014-08-30 02:30:02 +00:00
Errc.h Finishing touch for the std::error_code transition. 2014-06-13 17:20:48 +00:00
Errno.h
ErrorHandling.h Make the error-handling functions thread-safe. 2014-06-13 21:20:44 +00:00
ErrorOr.h ErrorOr: Be more explicit in the implicit conversion to bool docs 2014-11-04 21:01:48 +00:00
FileOutputBuffer.h unique_ptrify FileOutputBuffer::FileOutputBuffer 2014-09-02 17:49:23 +00:00
FileSystem.h Support ELF files of unknown type. 2014-11-18 01:14:25 +00:00
FileUtilities.h [C++11] Make use of 'nullptr' in the Support library. 2014-04-07 04:17:22 +00:00
Format.h [Support] Fix Format.h to build on Windows 2014-09-25 21:00:38 +00:00
FormattedStream.h [C++11] Make use of 'nullptr' in the Support library. 2014-04-07 04:17:22 +00:00
GCOV.h test commit: remove trailing space 2014-07-23 17:18:05 +00:00
GenericDomTree.h Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
GenericDomTreeConstruction.h Update SetVector to rely on the underlying set's insert to return a pair<iterator, bool> 2014-11-19 07:49:26 +00:00
GraphWriter.h Revert "Introduce a string_ostream string builder facilty" 2014-06-26 22:52:05 +00:00
Host.h Return a StringRef from getHostCPUName. 2013-12-12 15:45:32 +00:00
LEB128.h Fixup for r217830. Don't do left shifts on negative values 2014-09-17 18:23:07 +00:00
LICENSE.TXT
LineIterator.h LineIterator: Provide a variant that keeps blank lines 2014-09-17 15:43:01 +00:00
Locale.h
LockFileManager.h Don't use 'using std::error_code' in include/llvm. 2014-06-12 21:46:39 +00:00
MachO.h Adds the next bit of support for llvm-objdump’s -private-headers for executable Mach-O files. 2014-09-04 16:54:47 +00:00
ManagedStatic.h Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
MathExtras.h Support: remove some variable names 2014-11-29 00:10:26 +00:00
MD5.h Make the MD5 result name consistent between functions, header and source. 2014-10-06 13:48:07 +00:00
Memory.h Don't use 'using std::error_code' in include/llvm. 2014-06-12 21:46:39 +00:00
MemoryBuffer.h [Support] Add MemoryBuffer::getFileSlice() 2014-10-08 00:22:18 +00:00
MemoryObject.h Update \param(s) in MemoryObject::readBytes(). [-Wdocumentation] 2014-11-13 04:56:41 +00:00
Mutex.h Support: make LLVM Mutexes STL-compatible 2014-08-23 22:49:22 +00:00
MutexGuard.h Support: make LLVM Mutexes STL-compatible 2014-08-23 22:49:22 +00:00
OnDiskHashTable.h Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
Options.h Add missing header guard. 2014-10-16 10:10:07 +00:00
OutputBuffer.h
Path.h Fix some cases where StringRef was being passed by const reference. Remove const from some other StringRefs since its implicitly const already. 2014-08-30 16:48:02 +00:00
PluginLoader.h
PointerLikeTypeTraits.h
PrettyStackTrace.h [C++11] Remove 'virtual' keyword from methods marked with 'override' keyword. 2014-03-10 03:53:12 +00:00
Process.h Support: Don't call close again if we get EINTR 2014-10-07 05:48:40 +00:00
Program.h Remove FindProgramByName. NFC. 2014-11-04 12:35:47 +00:00
RandomNumberGenerator.h Fix the build. 2014-06-25 15:47:36 +00:00
raw_os_ostream.h [C++11] Remove 'virtual' keyword from methods marked with 'override' keyword. 2014-03-10 03:53:12 +00:00
raw_ostream.h [Support] Add type-safe alternative to llvm::format() 2014-09-25 20:30:58 +00:00
Recycler.h [Allocator] Stop forward-declaring BumpPtrAllocator in a few places. 2014-03-30 11:36:29 +00:00
RecyclingAllocator.h Add an assertion to the fixed-size allocator to ensure that we don't request 2013-08-27 11:20:13 +00:00
Regex.h [C++11] Make use of 'nullptr' in the Support library. 2014-04-07 04:17:22 +00:00
Registry.h Use unique_ptr for the result of Registry entries. 2014-04-15 05:53:26 +00:00
RegistryParser.h
RWMutex.h Support: make LLVM Mutexes STL-compatible 2014-08-23 22:49:22 +00:00
SaveAndRestore.h SaveAndRestore: fix coding style and Doxygenify comments 2014-04-10 09:44:32 +00:00
ScaledNumber.h Include <tuple> for std::tie 2014-06-24 05:59:52 +00:00
Signals.h [C++11] Make use of 'nullptr' in the Support library. 2014-04-07 04:17:22 +00:00
SMLoc.h [C++11] Make use of 'nullptr' in the Support library. 2014-04-07 04:17:22 +00:00
Solaris.h
SourceMgr.h Add an explicit move constructor to SrcBuffer 2014-08-21 23:24:08 +00:00
SpecialCaseList.h Fix indenting caused by clang-format+spuriously indented access specifier in r216925 2014-09-15 22:20:31 +00:00
StreamingMemoryObject.h Fix a silly bug in StreamingMemoryObject.cpp. 2014-11-21 05:15:41 +00:00
StringPool.h Fix breakage from r211244 by using LLVM_EXPLICIT to avoid using explicit operators under MSVC where they're not supported. 2014-06-19 01:09:49 +00:00
SwapByteOrder.h Use the LLVM_GNUC_PREREQ macro instead of the longhand version check 2014-11-04 01:28:33 +00:00
SystemUtils.h
TargetRegistry.h Simplify handling of --noexecstack by using getNonexecutableStackSection. 2014-10-15 16:12:52 +00:00
TargetSelect.h
Threading.h Added comment about llvm_execute_on_thread waiting for thread to complete. 2014-11-24 14:51:41 +00:00
ThreadLocal.h
Timer.h [C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr. 2014-04-14 00:51:57 +00:00
TimeValue.h Cleaning up static initializers in TimeValue. 2014-08-29 01:05:12 +00:00
ToolOutputFile.h Modernize raw_fd_ostream's constructor a bit. 2014-08-25 18:16:47 +00:00
type_traits.h [C++11] Now that the users are gone, rip out the duplicated traits from type_traits.h 2014-03-07 15:54:23 +00:00
Unicode.h include/llvm/Support/Unicode.h didn't have re-include guards 2014-05-13 10:11:29 +00:00
UnicodeCharRanges.h [Modules] Make Support/Debug.h modular. This requires it to not change 2014-04-21 22:55:11 +00:00
UniqueLock.h Support: add llvm::unique_lock 2014-08-23 23:07:14 +00:00
Valgrind.h Don't mark the declarations of the TSan annotation functions as weak. 2014-03-30 11:20:25 +00:00
Watchdog.h
Win64EH.h Support: Delete {aligned_,}{u,}{little,big}8_t 2014-09-11 21:46:33 +00:00
WindowsError.h Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
YAMLParser.h yaml::Stream doesn't need to take ownership of the buffer. 2014-08-27 19:03:22 +00:00
YAMLTraits.h Fix memory leak in error paths in YAMLTraits by using unique_ptr 2014-09-15 18:39:24 +00:00