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llvm-project/llvm/lib/Target/R600
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Tim Northover fd7e424935 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.

llvm-svn: 213248
 		2014-07-17 10:51:23 +00:00
..
InstPrinter Fix missing words in sentence 2014-06-23 18:00:26 +00:00
MCTargetDesc Convert some assert(0) to llvm_unreachable or fold an 'if' condition into the assert. 2014-06-19 06:10:58 +00:00
TargetInfo Prune redundant dependencies in LLVMBuild.txt. 2013-12-11 00:30:57 +00:00
AMDGPU.h R600/SI: Adjsut SGPR live ranges before register allocation 2014-07-02 20:53:48 +00:00
AMDGPU.td R600: Add denormal handling subtarget features. 2014-07-14 23:40:49 +00:00
AMDGPUAsmPrinter.cpp R600: Add denormal handling subtarget features. 2014-07-14 23:40:49 +00:00
AMDGPUAsmPrinter.h Remove unused include 2014-07-13 03:08:59 +00:00
AMDGPUCallingConv.td R600: Make ShaderType private 2014-07-13 03:06:39 +00:00
AMDGPUFrameLowering.cpp Fix typo 2014-06-14 04:26:07 +00:00
AMDGPUFrameLowering.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
AMDGPUISelDAGToDAG.cpp R600/SI: Use a ComplexPattern for MUBUF stores 2014-06-24 23:33:07 +00:00
AMDGPUISelLowering.cpp R600: Implement zero undef variants of ctlz/cttz 2014-07-15 15:51:09 +00:00
AMDGPUISelLowering.h R600: Add dag combine for copy of an illegal type. 2014-07-15 02:06:31 +00:00
AMDGPUInstrInfo.cpp R600: Remove AMDIL instruction and register definitions 2014-06-13 16:38:59 +00:00
AMDGPUInstrInfo.h R600: Remove unused declarations leftover from AMDIL 2014-06-30 17:37:17 +00:00
AMDGPUInstrInfo.td R600: Fix inconsistency in rsq instructions. 2014-06-24 22:13:39 +00:00
AMDGPUInstructions.td R600: Add predicate for UnsafeFPMath 2014-07-15 20:18:24 +00:00
AMDGPUIntrinsicInfo.cpp R600: Rename AMDIL file 2014-06-23 18:00:31 +00:00
AMDGPUIntrinsicInfo.h R600: Rename AMDIL file 2014-06-23 18:00:31 +00:00
AMDGPUIntrinsics.td R600: Remove intrinsics that appear to be unused 2014-07-15 20:10:27 +00:00
AMDGPUMCInstLower.cpp R600: Move AMDGPUInstrInfo from AMDGPUTargetMachine into AMDGPUSubtarget 2014-06-13 01:32:00 +00:00
AMDGPUMCInstLower.h Alphabetize forward declarations 2014-06-23 18:00:20 +00:00
AMDGPUMachineFunction.cpp R600: Make ShaderType private 2014-07-13 03:06:39 +00:00
AMDGPUMachineFunction.h R600: Make ShaderType private 2014-07-13 03:06:39 +00:00
AMDGPUPromoteAlloca.cpp R600: Don't crash on unhandled instruction in promote alloca 2014-06-27 16:52:49 +00:00
AMDGPURegisterInfo.cpp R600: Move AMDGPUInstrInfo from AMDGPUTargetMachine into AMDGPUSubtarget 2014-06-13 01:32:00 +00:00
AMDGPURegisterInfo.h R600: Remove AMDIL instruction and register definitions 2014-06-13 16:38:59 +00:00
AMDGPURegisterInfo.td Make SubRegIndex size mandatory, following r183020. 2013-05-31 23:45:26 +00:00
AMDGPUSubtarget.cpp R600: Add denormal handling subtarget features. 2014-07-14 23:40:49 +00:00
AMDGPUSubtarget.h R600: Implement zero undef variants of ctlz/cttz 2014-07-15 15:51:09 +00:00
AMDGPUTargetMachine.cpp R600: Add option to disable promote alloca 2014-07-13 02:08:26 +00:00
AMDGPUTargetMachine.h R600: Rename AMDIL file 2014-06-23 18:00:31 +00:00
AMDGPUTargetTransformInfo.cpp Use range for 2014-07-17 06:19:06 +00:00
AMDILCFGStructurizer.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. R600 edition 2014-04-29 07:57:24 +00:00
CMakeLists.txt R600/SI: Adjsut SGPR live ranges before register allocation 2014-07-02 20:53:48 +00:00
CaymanInstructions.td R600: Expand mul24 for GPUs without it 2014-05-22 18:00:24 +00:00
EvergreenInstructions.td R600: Implement zero undef variants of ctlz/cttz 2014-07-15 15:51:09 +00:00
LLVMBuild.txt Prune Redundant libdeps in CMake's target_link_libraries and LLVMBuild.txt. 2014-07-15 11:37:03 +00:00
Makefile
…
Processors.td R600/SI: Add processor type for Mullins. 2014-05-02 15:41:49 +00:00
R600ClauseMergePass.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. R600 edition 2014-04-29 07:57:24 +00:00
R600ControlFlowFinalizer.cpp R600: Make ShaderType private 2014-07-13 03:06:39 +00:00
R600Defines.h Fix known typos 2014-01-24 17:20:08 +00:00
R600EmitClauseMarkers.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. R600 edition 2014-04-29 07:57:24 +00:00
R600ExpandSpecialInstrs.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. R600 edition 2014-04-29 07:57:24 +00:00
R600ISelLowering.cpp R600: Make ShaderType private 2014-07-13 03:06:39 +00:00
R600ISelLowering.h R600: Remove AMDILISelLowering 2014-06-23 18:00:55 +00:00
R600InstrFormats.td R600: Use SchedModel enum for is{Trans,Vector}Only functions 2013-09-04 19:53:30 +00:00
R600InstrInfo.cpp R600: Make ShaderType private 2014-07-13 03:06:39 +00:00
R600InstrInfo.h R600: Use LDS and vectors for private memory 2014-06-17 16:53:14 +00:00
R600Instructions.td R600/SI: fix shadow mapping for 1D and 2D array textures 2014-07-11 17:11:39 +00:00
R600Intrinsics.td R600: Reenable llvm.R600.load.input/interp.input for compatibility 2013-11-12 16:26:47 +00:00
R600MachineFunctionInfo.cpp [weak vtables] Remove a bunch of weak vtables 2013-11-19 00:57:56 +00:00
R600MachineFunctionInfo.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. R600 edition 2014-04-29 07:57:24 +00:00
R600MachineScheduler.cpp R600: Move AMDGPUInstrInfo from AMDGPUTargetMachine into AMDGPUSubtarget 2014-06-13 01:32:00 +00:00
R600MachineScheduler.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. R600 edition 2014-04-29 07:57:24 +00:00
R600OptimizeVectorRegisters.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. R600 edition 2014-04-29 07:57:24 +00:00
R600Packetizer.cpp R600: Move AMDGPUInstrInfo from AMDGPUTargetMachine into AMDGPUSubtarget 2014-06-13 01:32:00 +00:00
R600RegisterInfo.cpp R600: Remove AMDIL instruction and register definitions 2014-06-13 16:38:59 +00:00
R600RegisterInfo.h R600: Remove AMDIL instruction and register definitions 2014-06-13 16:38:59 +00:00
R600RegisterInfo.td R600: Use LDS and vectors for private memory 2014-06-17 16:53:14 +00:00
R600Schedule.td R600: Add local memory support via LDS 2013-06-28 15:47:08 +00:00
R600TextureIntrinsicsReplacer.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. R600 edition 2014-04-29 07:57:24 +00:00
R700Instructions.td R600: Reorganize tablegen instruction definitions 2014-03-24 16:07:25 +00:00
SIAnnotateControlFlow.cpp R600/SI: SI Control Flow Annotation bug fixed 2014-06-20 17:06:02 +00:00
SIDefines.h R600/SI: Add FP mode bits to binary. 2014-06-26 17:22:30 +00:00
SIFixSGPRCopies.cpp R600/SI: Fix a bug with handling of INSERT_SUBREG in SIFixSGPRCopies 2014-05-15 14:41:55 +00:00
SIFixSGPRLiveRanges.cpp R600/SI: Adjsut SGPR live ranges before register allocation 2014-07-02 20:53:48 +00:00
SIISelLowering.cpp R600/SI: Allow using f32 rcp / rsq when denormals not handled. 2014-07-15 23:50:10 +00:00
SIISelLowering.h R600/SI: Allow using f32 rcp / rsq when denormals not handled. 2014-07-15 23:50:10 +00:00
SIInsertWaits.cpp R600/SI: Add intrinsics for various math instructions. 2014-06-19 01:19:19 +00:00
SIInstrFormats.td R600/SI: Make sure target flags are set on pseudo VOP3 instructions 2014-06-17 19:34:46 +00:00
SIInstrInfo.cpp R600/SI: Add verifier check for immediates in register operands. 2014-07-02 20:53:44 +00:00
SIInstrInfo.h R600: Move AMDGPUInstrInfo from AMDGPUTargetMachine into AMDGPUSubtarget 2014-06-13 01:32:00 +00:00
SIInstrInfo.td R600/SI: Use a ComplexPattern for ADDR64 addressing of MUBUF loads 2014-07-02 20:53:56 +00:00
SIInstructions.td CodeGen: extend f16 conversions to permit types > float. 2014-07-17 10:51:23 +00:00
SIIntrinsics.td R600/SI: Use i32 vectors for resources and samplers 2014-07-11 17:11:52 +00:00
SILowerControlFlow.cpp R600: Make ShaderType private 2014-07-13 03:06:39 +00:00
SILowerI1Copies.cpp R600/SI: Use VALU instructions for i1 ops 2014-05-15 14:41:50 +00:00
SIMachineFunctionInfo.cpp Fix typo, weird indentation 2014-07-07 18:34:42 +00:00
SIMachineFunctionInfo.h R600/SI: Only create one instruction when spilling/restoring register v3 2014-05-02 15:41:42 +00:00
SIRegisterInfo.cpp R600/SI: Add verifier check for immediates in register operands. 2014-07-02 20:53:44 +00:00
SIRegisterInfo.h R600/SI: Add verifier check for immediates in register operands. 2014-07-02 20:53:44 +00:00
SIRegisterInfo.td R600/SI: add gather4 and getlod intrinsics (v3) 2014-06-18 22:00:29 +00:00
SISchedule.td
…
SITypeRewriter.cpp Use cast<> instead of dyn_cast + assert 2014-07-05 21:16:43 +00:00