[all-commits] [llvm/llvm-project] 8fdafb: Insert wait instruction after X87 instructions whi...

[MorningLiu via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 8fdafb7dced812b2dc0af77f9668bfe23b4ffb0b
      https://github.com/llvm/llvm-project/commit/8fdafb7dced812b2dc0af77f9668bfe23b4ffb0b
  Author: Liu, Chen3 <chen3.liu at intel.com>
  Date:   2020-01-16 (Thu, 16 Jan 2020)

  Changed paths:
    M llvm/lib/Target/X86/CMakeLists.txt
    M llvm/lib/Target/X86/X86.h
    M llvm/lib/Target/X86/X86FloatingPoint.cpp
    A llvm/lib/Target/X86/X86InsertWait.cpp
    M llvm/lib/Target/X86/X86InstrFPStack.td
    M llvm/lib/Target/X86/X86TargetMachine.cpp
    M llvm/test/CodeGen/X86/O0-pipeline.ll
    M llvm/test/CodeGen/X86/O3-pipeline.ll
    M llvm/test/CodeGen/X86/constrained-fp80-trunc-ext.ll
    M llvm/test/CodeGen/X86/fp-intrinsics.ll
    M llvm/test/CodeGen/X86/fp-strict-libcalls-msvc32.ll
    M llvm/test/CodeGen/X86/fp-strict-scalar-cmp.ll
    M llvm/test/CodeGen/X86/fp-strict-scalar-fptoint.ll
    M llvm/test/CodeGen/X86/fp-strict-scalar-inttofp.ll
    M llvm/test/CodeGen/X86/fp-strict-scalar-round.ll
    M llvm/test/CodeGen/X86/fp-strict-scalar.ll
    M llvm/test/CodeGen/X86/fp128-cast-strict.ll
    M llvm/test/CodeGen/X86/fp80-strict-scalar-cmp.ll
    M llvm/test/CodeGen/X86/fp80-strict-scalar.ll
    M llvm/test/CodeGen/X86/vec-strict-128.ll
    M llvm/test/CodeGen/X86/vec-strict-fptoint-128.ll
    M llvm/test/CodeGen/X86/vec-strict-fptoint-256.ll
    M llvm/test/CodeGen/X86/vec-strict-fptoint-512.ll
    M llvm/test/CodeGen/X86/vec-strict-inttofp-128.ll
    M llvm/test/CodeGen/X86/vec-strict-inttofp-256.ll
    M llvm/test/CodeGen/X86/vec-strict-inttofp-512.ll
    M llvm/test/CodeGen/X86/vector-constrained-fp-intrinsics.ll

  Log Message:
  -----------
  Insert wait instruction after X87 instructions which could raise
float-point exception.

This patch also modify some mayRaiseFPException flag which set in D68854.

Differential Revision: https://reviews.llvm.org/D72750