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Author SHA1 Message Date
Roger Ferrer Ibanez 3c24aee7ee [RISCV] Select +0.0 immediate using fmv.{w,d}.x / fcvt.d.w 
Floating point positive zero can be selected using fmv.w.x / fmv.d.x /
fcvt.d.w and the zero source register.

Differential Revision: https://reviews.llvm.org/D75729
 2020-03-20 09:42:24 +00:00
Roger Ferrer Ibanez ebb04e9ca9 [NFC][RISCV] Test for 0.0 fp immediate 
To show a later change that impacts 0.0 fp constant generation.

Differential Revision: https://reviews.llvm.org/D75728
 2020-03-20 09:42:24 +00:00