[PATCH] D60156: [X86] Use FILD/FIST to implement i64 atomic load on 32-bit targets with X87, but no SSE2

[Craig Topper via Phabricator via llvm-commits]

craig.topper updated this revision to Diff 193575.
craig.topper added a comment.

Add volatile atomic test case.
Add comment about the stack tempoary access not being atomic
Add FIXME for the case where we are already doing a store.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D60156/new/

https://reviews.llvm.org/D60156

Files:
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/lib/Target/X86/X86ISelLowering.h
  llvm/lib/Target/X86/X86InstrFPStack.td
  llvm/test/CodeGen/X86/atomic-load-store-wide.ll
  llvm/test/CodeGen/X86/atomic-mi.ll
  llvm/test/CodeGen/X86/atomic-non-integer.ll
  llvm/test/CodeGen/X86/misched_phys_reg_assign_order.ll

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D60156.193575.patch
Type: text/x-patch
Size: 41052 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20190403/75e4a886/attachment.bin>