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3 Commits

Author SHA1 Message Date
Craig Topper
1ccd36161d [RISCV] Add additional half precision fnmadd/fnmsub tests with an fneg on the second operand instead of the first. 
This matches the float/double tests added in defe11866a326491ee9767f84bb3f70cfc4f4bcb
 2020-12-02 21:13:42 -08:00
Craig Topper
e52a91e156 [RISCV] Add f16 to isFMAFasterThanFMulAndFAdd now that the Zfh extension is supported 2020-12-02 20:31:43 -08:00
Hsiangkai Wang
f7bc7c2981 [RISCV] Support Zfh half-precision floating-point extension. 
Support "Zfh" extension according to
https://github.com/riscv/riscv-isa-manual/blob/zfh/src/zfh.tex

Differential Revision: https://reviews.llvm.org/D90738
 2020-12-03 09:16:33 +08:00