Michael Kuperstein f8b3b92eb8 [X86] Fix a bug in WIN_FTOL_32/64 handling. ...

Duplicating an FP register "as itself" is a bad idea, since it violates the
invariant that every FP register is mapped to at most one FPU stack slot.
Use the scratch FP register instead.

This fixes PR23957.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241069 91177308-0d34-0410-b5e6-96231b3b80d8

2015-06-30 14:38:57 +00:00

61 KiB

Raw Blame History

View Raw