This file specifies the functionalities of the RISC-V Vector Specification supported by Ara.
- Maximum size of a single vector element in bits: ELEN = 64
- Vector unit-strided loads:
vle<eew>, vl1r.v
- Vector unit-strided stores:
vse<eew>
,vs1r.v
- Vector strided loads:
vlse<eew>
- Vector strided stores:
vsse<eew>
- Vector indexed loads:
vluxei<eew>
,vloxei<eew>
- Vector indexed stores:
vsuxei<eew>
,vsoxei<eew>
- Vector unit-strided fault-only-first loads:
vle<eew>ff.v
- Vector unit-strided segment loads:
vlseg<nf>e<eew>.v
- Vector unit-strided segment stores:
vsseg<nf>e<eew>.v
- Vector non-unit-strided segment loads:
vlsseg<nf>e<eew>.v
- Vector non-unit-strided segment stores:
vssseg<nf>e<eew>.v
- Vector indexed segment loads:
vluxseg<nf>ei<eew>.v
,vloxseg<nf>ei<eew>.v
- Vector indexed segment stores:
vsuxseg<nf>ei<eew>.v
,vsoxseg<nf>ei<eew>.v
- Vector whole-register loads:
vl<nf>re<eew>.v
- Vector whole-register stores:
vs<nf>r.v
- Vector single-width integer add and subtract instructions:
vadd
,vsub
,vrsub
- Vector widening integer add and subtract instructions:
vwaddu
,vwsubu
,vwadd
,vwsub
- Vector integer extension instructions:
vzext
,vsext
- Vector integer add-with-carry/subtract-with-borrow instructions:
vadc
,vmadc
,vsbc
,vmsbc
- Vector bitwise logical instructions:
vand
,vor
,vxor
- Vector single-width bit shift instructions:
vsll
,vsrl
,vsra
- Vector narrowing integer right shift instructions:
vnsrl
,vnsra
- Vector integer comparison instructions:
vmseq
,vmsne
,vmsltu
,vmslt
,vmsleu
,vmsle
,vmsgtu
,vmsgt
- Vector integer min/max instructions:
vminu
,vmin
,vmaxu
,vmax
- Vector single-width integer multiply instructions:
vmul
,vmulh
,vmulhu
,vmulhsu
- Vector integer divide instructions:
vdivu
,vdiv
,vremu
,vrem
- Vector widening integer multiply instructions:
vwmul
,vwmulu
,vwmulsu
- Vector single-width integer multiply-add instructions:
vmacc
,vnmsac
,vmadd
,vnmsub
- Vector widening integer multiply-add instructions:
vwmaccu
,vwmacc
,vwmaccsu
,vwmaccus
- Vector integer merge instructions:
vmerge
- Vector integer move instructions:
vmv
- Vector whole-register move instructions:
vmv<nr>r
- Vector single-width floating-point add/subtract instructions:
vfadd
,vfsub
,vfrsub
- Vector widening floating-point add/subtract instructions:
vfwadd
,vfwsub
,vfwadd.w
,vfwsub.w
- Vector single-width floating-point multiply/divide instructions:
vfmul
,vfdiv
,vfrdiv
- Vector widening floating-point multiply/divide instructions:
vfwmul
- Vector single-width floating-point fused multiply-add instructions:
vfmacc
,vfnmacc
,vfmsac
,vfnmsac
,vfmadd
,vfnmadd
,vfmsub
,vfnmsub
- Vector widening floating-point fused multiply-add instructions:
vfwmacc
,vfwnmacc
,vfwmsac
,vfwnmsac
- Vector floating-point square-root instruction:
vfsqrt
- Vector floating-point min/max instructions:
vfmin
,vfmax
- Vector floating-point sign-injection instructions:
vfsgnj
,vfsgnjn
,vfsgnjx
- Vector floating-point classify instruction:
vfclass
- Vector floating-point merge instruction:
vfmerge
- Vector floating-point move instruction:
vfmv
- Vector floating-point compare instructions:
vmfeq
,vmfne
,vmflt
,vmfle
,vmfgt
,vmfge
- Vector single-width floating-point/integer type-convert instructions:
vfcvt.xu.f
,vfcvt.x.f
,vfcvt.rtz.xu.f
,vfcvt.rtz.x.f
,vfcvt.f.xu
,vfcvt.f.x
- Vector widening floating-point/integer type-convert instructions:
vfwcvt.xu.f
,vfwcvt.x.f
,vfwcvt.rtz.xu.f
,vfwcvt.rtz.x.f
,vfwcvt.f.xu
,vfwcvt.f.x
,vfwcvt.f.f
- Vector narrowing floating-point/integer type-convert instructions:
vfncvt.xu.f
,vfncvt.x.f
,vfncvt.rtz.xu.f
,vfncvt.rtz.x.f
,vfncvt.f.xu
,vfncvt.f.x
,vfncvt.f.f
- Vector floating-point reciprocal estimate instruction:
vfrec7
- Vector floating-point reciprocal square-root estimate instruction:
vfrsqrt7
- Vector narrowing floating-point convert instructions:
vfncvt.rod.f.f
- Vector single-width integer reduction instructions:
vredsum
,vredmaxu
,vredmax
,vredminu
,vredmin
,vredand
,vredor
,vredxor
- Vector widening integer reductions:
vwredsumu
,vwredsum
- Vector single-width floating-point reduction instructions:
vfredusum
,vfredosum
,vfredmin
,vfredmax
- Vector widening floating-point reductions:
vfwredusum
,vfwredosum
- Vector mask-register logical instructions:
vmand
,vmnand
,vmandnot
,vmxor
,vmor
,vmnor
,vmornot
,vmxnor
- Vector mask instructions:
vmsbf
,vmsof
,vmsif
,viota
,vid
- Vector mask population count and find first set bit instructions:
vcpop.m
,vfirst.m
- Integer Scalar Move instructions:
vmv.x.s
,vmv.s.x
- Floating-Point Scalar Move instructions:
vfmv.f.s
,vfmv.s.f
- Vector slide instructions:
vslideup
,vslidedown
,vslide1up
,vfslide1up
,vslide1down
,vfslide1down
- Vector register gather instructions:
vrgather
,vrgatherei16
,vcompress
- Vector single-width saturating add and subtract:
vsaddu
,vsadd
,vssubu
,vssub
- Vector single-width averaging add and subtract:
vaadd
,vaaddu
,vasub
,vasubu
- Vector single-width fractional multiply with rounding and saturation instruction:
vsmul
- Vector single-width scaling shift instructions:
vssra
,vssrl
- Vector narrowing fixed-point clip instructions:
vnclip
,vnclipu