diff options
| author | Chih-Min Chao <chihmin.chao@sifive.com> | 2020-04-21 21:00:34 -0700 |
|---|---|---|
| committer | Chih-Min Chao <chihmin.chao@sifive.com> | 2020-05-04 09:50:05 -0700 |
| commit | 073c84163ad7529038ac8bbe64a1bf696989d33f (patch) | |
| tree | e5497388342aa2cc9a5aa6ef1c55b19510ade4ce /riscv/insns/vfmv_f_s.h | |
| parent | 5ba5c15188f6d9e63c3297ce51f825222d6073e1 (diff) | |
| download | spike-073c84163ad7529038ac8bbe64a1bf696989d33f.zip spike-073c84163ad7529038ac8bbe64a1bf696989d33f.tar.gz spike-073c84163ad7529038ac8bbe64a1bf696989d33f.tar.bz2 | |
rvv: fp16: support element movement instructions
vfmv/vfslide/vfmerge
Signed-off-by: Chih-Min Chao <chihmin.chao@sifive.com>
Diffstat (limited to 'riscv/insns/vfmv_f_s.h')
| -rw-r--r-- | riscv/insns/vfmv_f_s.h | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/riscv/insns/vfmv_f_s.h b/riscv/insns/vfmv_f_s.h index 586b80e..2f82ce8 100644 --- a/riscv/insns/vfmv_f_s.h +++ b/riscv/insns/vfmv_f_s.h @@ -1,24 +1,31 @@ // vfmv_f_s: rd = vs2[0] (rs1=0) require_vector; require_fp; -require_extension('F'); -require(P.VU.vsew == e32 || P.VU.vsew == e64); +require((P.VU.vsew == e16 && p->supports_extension(EXT_ZFH)) || + (P.VU.vsew == e32 && p->supports_extension('F')) || + (P.VU.vsew == e64 && p->supports_extension('D'))); reg_t rs2_num = insn.rs2(); uint64_t vs2_0 = 0; const reg_t sew = P.VU.vsew; switch(sew) { -case e32: - vs2_0 = P.VU.elt<uint32_t>(rs2_num, 0); - break; -default: - vs2_0 = P.VU.elt<uint64_t>(rs2_num, 0); - break; + case e16: + vs2_0 = P.VU.elt<uint16_t>(rs2_num, 0); + break; + case e32: + vs2_0 = P.VU.elt<uint32_t>(rs2_num, 0); + break; + case e64: + vs2_0 = P.VU.elt<uint64_t>(rs2_num, 0); + break; + default: + require(0); + break; } // nan_extened if (FLEN > sew) { - vs2_0 = vs2_0 | ~((uint64_t(1) << sew) - 1); + vs2_0 = vs2_0 | (UINT64_MAX << sew); } if (FLEN == 64) { |