[PATCH] [AArch64 NEON] Accept both #0.0 and #0 for comparing with floating point zero in asm parser.

[Kevin Qin]

Hi,

ARMARM will make a change that for FCMEQ, FCMGE, FCMGT, FCMLE and FCMLT, floating point zero will be printed as #0.0 instead of  #0. To support the history codes using #0, we considered to let asm parser accept both #0.0 and #0. Here is the patch. Please review, thanks.

http://llvm-reviews.chandlerc.com/D2432

Files:
  lib/Target/AArch64/AArch64InstrNEON.td
  lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
  test/MC/AArch64/neon-compare-instructions.s
  test/MC/AArch64/neon-diagnostics.s
  test/MC/AArch64/neon-scalar-fp-compare.s
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