[PATCH] D23797: [X86][SSE] Improve awareness of (v)cvtpd2ps implicit zeroing of upper 64-bits of xmm result

[Simon Pilgrim via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL280214: [X86][SSE] Improve awareness of fptrunc implicit zeroing of upper 64-bits of… (authored by RKSimon).

Changed prior to commit:
  https://reviews.llvm.org/D23797?vs=68972&id=69823#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D23797

Files:
  llvm/trunk/lib/Target/X86/X86InstrSSE.td
  llvm/trunk/test/CodeGen/X86/vec_fptrunc.ll

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