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3e61ccdded
llvm/lib/Target/NVPTX
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Tim Northover 3e61ccdded CodeGen: extend f16 conversions to permit types > float. 
This makes the two intrinsics @llvm.convert.from.f16 and
@llvm.convert.to.f16 accept types other than simple "float". This is
only strictly needed for the truncate operation, since otherwise
double rounding occurs and there's no way to represent the strict IEEE
conversion. However, for symmetry we allow larger types in the extend
too.

During legalization, we can expand an "fp16_to_double" operation into
two extends for convenience, but abort when the truncate isn't legal. A new
libcall is probably needed here.

Even after this commit, various target tweaks are needed to actually use the
extended intrinsics. I've put these into separate commits for clarity, so there
are no actual tests of f64 conversion here.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213248 91177308-0d34-0410-b5e6-96231b3b80d8
2014-07-17 10:51:23 +00:00
..
InstPrinter [NVPTX] Rename registers %fl -> %fd and %rl -> %rd 2014-07-16 16:26:58 +00:00
MCTargetDesc [C++] Use 'nullptr'. Target edition. 2014-04-25 05:30:21 +00:00
TargetInfo Prune redundant dependencies in LLVMBuild.txt. 2013-12-11 00:30:57 +00:00
cl_common_defines.h Update a couple of header inclusion guards 2014-05-31 21:26:09 +00:00
CMakeLists.txt [NVPTX] Add preliminary intrinsics and codegen support for textures/surfaces 2014-04-09 15:39:15 +00:00
LLVMBuild.txt NVPTX/LLVMBuild.txt: Add "Scalar" to required_libraries. It is really referenced. 2014-07-14 02:52:19 +00:00
Makefile
ManagedStringPool.h
NVPTX.h [NVPTX] Add preliminary intrinsics and codegen support for textures/surfaces 2014-04-09 15:39:15 +00:00
NVPTX.td [NVPTX] Add target options for PTX 3.2/4.0 and SM 5.0 (Maxwell) 2014-06-27 18:35:18 +00:00
NVPTXAllocaHoisting.cpp
NVPTXAllocaHoisting.h [C++11] Add 'override' keywords and remove 'virtual'. Additionally add 'final' and leave 'virtual' on some methods that are marked virtual without overriding anything and have no obvious overrides themselves. NVPTX edition 2014-04-29 07:57:44 +00:00
NVPTXAsmPrinter.cpp [NVPTX] Rename registers %fl -> %fd and %rl -> %rd 2014-07-16 16:26:58 +00:00
NVPTXAsmPrinter.h [C++11] Add 'override' keywords and remove 'virtual'. Additionally add 'final' and leave 'virtual' on some methods that are marked virtual without overriding anything and have no obvious overrides themselves. NVPTX edition 2014-04-29 07:57:44 +00:00
NVPTXAssignValidGlobalNames.cpp [C++11] Add 'override' keywords and remove 'virtual'. Additionally add 'final' and leave 'virtual' on some methods that are marked virtual without overriding anything and have no obvious overrides themselves. NVPTX edition 2014-04-29 07:57:44 +00:00
NVPTXFavorNonGenericAddrSpaces.cpp Test commit. 2014-05-23 06:30:12 +00:00
NVPTXFrameLowering.cpp Move the constructor for NVPTXFrameLowering into the implementation 2014-06-27 02:05:24 +00:00
NVPTXFrameLowering.h Move the constructor for NVPTXFrameLowering into the implementation 2014-06-27 02:05:24 +00:00
NVPTXGenericToNVVM.cpp [NVPTX] Do not process samplers in GenericToNVVM 2014-06-27 18:36:02 +00:00
NVPTXImageOptimizer.cpp Fix typos 2014-06-07 21:23:09 +00:00
NVPTXInstrFormats.td
NVPTXInstrInfo.cpp Remove caching of the target machine in NVPTXInstrInfo and 2014-06-27 01:27:08 +00:00
NVPTXInstrInfo.h Remove caching of the target machine in NVPTXInstrInfo and 2014-06-27 01:27:08 +00:00
NVPTXInstrInfo.td [NVPTX] Add support for [SHL,SRA,SRL]_PARTS 2014-06-27 18:35:40 +00:00
NVPTXIntrinsics.td CodeGen: extend f16 conversions to permit types > float. 2014-07-17 10:51:23 +00:00
NVPTXISelDAGToDAG.cpp [NVPTX] Fix handling of ldg/ldu intrinsics. 2014-06-27 18:35:51 +00:00
NVPTXISelDAGToDAG.h [NVPTX] Fix handling of ldg/ldu intrinsics. 2014-06-27 18:35:51 +00:00
NVPTXISelLowering.cpp [NVPTX] Honor alignment on vector loads/stores 2014-07-16 19:45:35 +00:00
NVPTXISelLowering.h [codegen,aarch64] Add a target hook to the code generator to control 2014-07-03 00:23:43 +00:00
NVPTXLowerAggrCopies.cpp [C++11] Add range based accessors for the Use-Def chain of a Value. 2014-03-09 03:16:01 +00:00
NVPTXLowerAggrCopies.h [C++11] Add 'override' keywords and remove 'virtual'. Additionally add 'final' and leave 'virtual' on some methods that are marked virtual without overriding anything and have no obvious overrides themselves. NVPTX edition 2014-04-29 07:57:44 +00:00
NVPTXMachineFunctionInfo.h [NVPTX] Add preliminary intrinsics and codegen support for textures/surfaces 2014-04-09 15:39:15 +00:00
NVPTXMCExpr.cpp [Modules] Fix potential ODR violations by sinking the DEBUG_TYPE 2014-04-22 02:41:26 +00:00
NVPTXMCExpr.h Move expression visitation logic up to MCStreamer. 2014-06-25 15:45:33 +00:00
NVPTXPrologEpilogPass.cpp [C++11] Add 'override' keywords and remove 'virtual'. Additionally add 'final' and leave 'virtual' on some methods that are marked virtual without overriding anything and have no obvious overrides themselves. NVPTX edition 2014-04-29 07:57:44 +00:00
NVPTXRegisterInfo.cpp [NVPTX] Rename registers %fl -> %fd and %rl -> %rd 2014-07-16 16:26:58 +00:00
NVPTXRegisterInfo.h De-virtualize or remove some methods that have no overrides nor override anything. In some cases remove all together if there are no callers either. 2014-04-30 05:53:27 +00:00
NVPTXRegisterInfo.td [NVPTX] Rename registers %fl -> %fd and %rl -> %rd 2014-07-16 16:26:58 +00:00
NVPTXReplaceImageHandles.cpp [C++11] Add 'override' keywords and remove 'virtual'. Additionally add 'final' and leave 'virtual' on some methods that are marked virtual without overriding anything and have no obvious overrides themselves. NVPTX edition 2014-04-29 07:57:44 +00:00
NVPTXSection.h [C++11] Add 'override' keywords and remove 'virtual'. Additionally add 'final' and leave 'virtual' on some methods that are marked virtual without overriding anything and have no obvious overrides themselves. NVPTX edition 2014-04-29 07:57:44 +00:00
NVPTXSubtarget.cpp [NVPTX] Add target options for PTX 3.2/4.0 and SM 5.0 (Maxwell) 2014-06-27 18:35:18 +00:00
NVPTXSubtarget.h [NVPTX] Update sub-target feature detection 2014-06-27 18:35:16 +00:00
NVPTXTargetMachine.cpp [NVPTX] Directly control the Machine SSA passes that are invoked for NVPTX. 2014-06-27 18:35:14 +00:00
NVPTXTargetMachine.h Move NVPTX subtarget dependent variables from the target machine 2014-06-27 04:33:14 +00:00
NVPTXTargetObjectFile.h CodeGen: Stick constant pool entries in COMDAT sections for WinCOFF 2014-07-14 22:57:27 +00:00
NVPTXutil.cpp
NVPTXutil.h
NVPTXUtilities.cpp [C++] Use 'nullptr'. Target edition. 2014-04-25 05:30:21 +00:00
NVPTXUtilities.h [NVPTX] Add query support for read-write images and managed variables 2014-04-09 15:38:52 +00:00
NVPTXVector.td
NVVMReflect.cpp [NVPTX] Add reflect intrinsic (better than matching by function name) 2014-06-27 18:36:11 +00:00