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| author | Yunsup Lee <yunsup@cs.berkeley.edu> | 2013-10-16 15:10:12 -0700 |
|---|---|---|
| committer | Yunsup Lee <yunsup@cs.berkeley.edu> | 2013-10-16 15:10:12 -0700 |
| commit | 1276dd07f712ff31068e0a09a52df74b36a70f81 (patch) | |
| tree | 492a5bcc15c2d5503e37f2572c19023d35034601 /hwacha | |
| parent | da579c14c98f72bdc210ac7dc070ae85d6ce6d1e (diff) | |
| download | riscv-isa-sim-1276dd07f712ff31068e0a09a52df74b36a70f81.zip riscv-isa-sim-1276dd07f712ff31068e0a09a52df74b36a70f81.tar.gz riscv-isa-sim-1276dd07f712ff31068e0a09a52df74b36a70f81.tar.bz2 | |
fix maxvl calc logic
Diffstat (limited to 'hwacha')
| -rw-r--r-- | hwacha/insns/vsetcfg.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/hwacha/insns/vsetcfg.h b/hwacha/insns/vsetcfg.h index 8ca408c..a5fd959 100644 --- a/hwacha/insns/vsetcfg.h +++ b/hwacha/insns/vsetcfg.h @@ -4,6 +4,10 @@ uint32_t nfpr = ((XS1 >> 6) & 0x3f) + ((insn.i_imm() >> 6) & 0x3f); // raise trap when nxpr/nfpr is larger than possible WRITE_NXPR(nxpr); WRITE_NFPR(nfpr); -uint32_t maxvl = 8 * (256 / (nxpr-1 + nfpr)); +uint32_t maxvl; +if (nxpr + nfpr < 2) + maxvl = 8 * 256; +else + maxvl = 8 * (256 / (nxpr-1 + nfpr)); WRITE_MAXVL(maxvl); WRITE_VL(0); |