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Author SHA1 Message Date
Shao-Ce SUN 84bacb18c6 [RISCV] Use check-prefixes to reduce check lines 
Reviewed By: frasercrmck

Differential Revision: https://reviews.llvm.org/D125083
 2022-06-06 15:59:15 +08:00
Shao-Ce SUN a0a76fee0c [RISCV] update zfh and zfhmin extention to v1.0 
`zfh` and `zfhmin` have been ratified, with version 1.0.

Reviewed By: craig.topper

Differential Revision: https://reviews.llvm.org/D117098
 2022-01-15 09:21:24 +08:00
Craig Topper 3926893439 [RISCV] Add isel support for scalar STRICT_FADD/FSUB/FMUL/FDIV/FSQRT. 
Test that STRICT_FMINNUM/FMAXNUM are lowered to libcalls for f32/f64.
The RISC-V instructions don't match the behavior of fmin/fmax libcalls
with respect to SNaN.

Promoting FMINNUM/FMAXNUM for f16 needs more work outside of the
RISC-V backend.

Reviewed By: asb, arcbbb

Differential Revision: https://reviews.llvm.org/D115680
 2021-12-14 10:50:55 -08:00