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| author | Chih-Min Chao <chihmin.chao@sifive.com> | 2020-02-26 23:06:41 -0800 |
|---|---|---|
| committer | Chih-Min Chao <chihmin.chao@sifive.com> | 2020-03-11 21:51:32 -0700 |
| commit | 9352ff175ccfeb4c749cc4aa20bd7a4f12b71920 (patch) | |
| tree | 5c6d6df2db7d387583545914d9876300fb3c7544 /riscv | |
| parent | 5f00d0784db3142064ecb35c50ecaefb0e8b2e41 (diff) | |
| download | spike-9352ff175ccfeb4c749cc4aa20bd7a4f12b71920.zip spike-9352ff175ccfeb4c749cc4aa20bd7a4f12b71920.tar.gz spike-9352ff175ccfeb4c749cc4aa20bd7a4f12b71920.tar.bz2 | |
rvv: respect vstart and vl for vfmv.s.f
Signed-off-by: Chih-Min Chao <chihmin.chao@sifive.com>
Diffstat (limited to 'riscv')
| -rw-r--r-- | riscv/insns/vfmv_f_s.h | 41 |
1 files changed, 22 insertions, 19 deletions
diff --git a/riscv/insns/vfmv_f_s.h b/riscv/insns/vfmv_f_s.h index dbfe8f9..1e42ef0 100644 --- a/riscv/insns/vfmv_f_s.h +++ b/riscv/insns/vfmv_f_s.h @@ -4,25 +4,28 @@ require_fp; require_extension('F'); require(P.VU.vsew == e32 || P.VU.vsew == e64); -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; -} +if (P.VU.vstart < P.VU.vl && P.VU.vl > 0) { + 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; + } -// nan_extened -if (FLEN > sew) { - vs2_0 = vs2_0 | ~((uint64_t(1) << sew) - 1); -} + // nan_extened + if (FLEN > sew) { + vs2_0 = vs2_0 | ~((uint64_t(1) << sew) - 1); + } -if (FLEN == 64) { - WRITE_FRD(f64(vs2_0)); -} else { - WRITE_FRD(f32(vs2_0)); + if (FLEN == 64) { + WRITE_FRD(f64(vs2_0)); + } else { + WRITE_FRD(f32(vs2_0)); + } } +P.VU.vstart = 0; |