[PATCH] [X86][FastIsel] Teach how to select scalar integer to float/double conversions.

[Andrea Di Biagio]

Hi Quentin,

Here is an updated patch.
As you suggested, I added an early exit in X86SelectSIToFP. I also fixed the check lines for SSE2.

Please let me know what you think.

Thanks in advance,
Andrea


http://reviews.llvm.org/D7698

Files:
  lib/Target/X86/X86FastISel.cpp
  test/CodeGen/X86/fast-isel-int-float-conversion.ll

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