[PATCH] D11438: Fix x86_64 fp128 calling convention

[Chih-Hung Hsieh via llvm-commits]

chh updated this revision to Diff 39010.
chh added a comment.

Sync with latest source and update comments about TypeSoftenFloat, SoftenFloat*, KeepFloat, and GetSoftenedFloat.
New comments should clarify that only non-HW-supported operations need to be converted and use integer type.
We should think about non-HW-supported operations instead of "illegal" types.
SoftenFloat is really about converting float operations, not necessarily converting to integers.


http://reviews.llvm.org/D11438

Files:
  include/llvm/Target/TargetLowering.h
  include/llvm/Target/TargetRegisterInfo.h
  lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  lib/CodeGen/SelectionDAG/InstrEmitter.cpp
  lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
  lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
  lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
  lib/CodeGen/SelectionDAG/LegalizeTypes.h
  lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp
  lib/CodeGen/SelectionDAG/SelectionDAG.cpp
  lib/CodeGen/SelectionDAG/TargetLowering.cpp
  lib/CodeGen/TargetLoweringBase.cpp
  lib/CodeGen/TargetRegisterInfo.cpp
  lib/Target/X86/X86CallingConv.td
  lib/Target/X86/X86ISelLowering.cpp
  lib/Target/X86/X86InstrCompiler.td
  lib/Target/X86/X86InstrInfo.td
  lib/Target/X86/X86InstrSSE.td
  lib/Target/X86/X86MCInstLower.cpp
  lib/Target/X86/X86RegisterInfo.td
  test/CodeGen/X86/fp128-calling-conv.ll
  test/CodeGen/X86/fp128-cast.ll
  test/CodeGen/X86/fp128-compare.ll
  test/CodeGen/X86/fp128-i128.ll
  test/CodeGen/X86/fp128-libcalls.ll
  test/CodeGen/X86/fp128-load.ll
  test/CodeGen/X86/fp128-store.ll
  test/CodeGen/X86/soft-fp.ll
  utils/TableGen/X86RecognizableInstr.cpp

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