[PATCH] D70654: [LegalizeTypes][FPEnv][X86] Add initial support for softening strict fp nodes

[Craig Topper via Phabricator via llvm-commits]

craig.topper created this revision.
craig.topper added reviewers: uweigand, eli.friedman, kpn, andrew.w.kaylor, pengfei, LiuChen3.
Herald added subscribers: hiraditya, srhines.
Herald added a project: LLVM.
craig.topper added a parent revision: D70503: [TargetLowering] Merge ExpandChainLibCall with makeLibCall.

This is based on what's required for softening fp128 operations on 32-bit X86 assuming f32/f64/f80 are legal. So there could be some things missing.


https://reviews.llvm.org/D70654

Files:
  llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
  llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h
  llvm/test/CodeGen/X86/fp128-libcalls-strict.ll

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