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未验证 提交 4471ec0a 编写于 作者: H huxuan0307 提交者： GitHub
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Merge pull request #1850 from xiwenx/rf-after-issue-decoder 

add decoder of OPFVV/OPFVF
上级 b978a0ac f2844384
隐藏空白更改
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Showing with 181 addition and 7 deletion
src/main/scala/xiangshan/backend/decode/VecDecoder.scala
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......@@ -49,13 +49,15 @@ case class OPMVX(vdRen: Boolean, fu: BitPat, fuOp: BitPat, xWen: Boolean, vWen:
}
}
case class OPFVV() extends VecType {
def generate() : List[BitPat] = { null }
case class OPFVV(src1:BitPat, src3:BitPat, fu: BitPat, fuOp: BitPat, fWen: Boolean, vWen: Boolean, mWen: Boolean) extends VecType {
def generate() : List[BitPat] = {
List (src1, SrcType.vp, src3, fu, fuOp, N, fWen.B, vWen.B, mWen.B, N, N, N, N, SelImm.X)
}
}
case class OPFVF(fu: BitPat, fuOp: BitPat, fWen: Boolean, vWen: Boolean, mWen: Boolean) extends VecType {
case class OPFVF(src1:BitPat, src3:BitPat, fu: BitPat, fuOp: BitPat, fWen: Boolean, vWen: Boolean, mWen: Boolean) extends VecType {
def generate() : List[BitPat] = {
List (SrcType.vp, SrcType.fp, SrcType.X, fu, fuOp, N, fWen.B, vWen.B, mWen.B, N, N, N, N, SelImm.X)
List (src1, SrcType.vp, src3, fu, fuOp, N, fWen.B, vWen.B, mWen.B, N, N, N, N, SelImm.X)
}
}
......@@ -182,11 +184,183 @@ object VecDecoder extends DecodeConstants {
val opmvvTable: Array[(BitPat, List[BitPat])] = opmvv.map(x => (x._1, x._2.generate()))
val opmvxTable: Array[(BitPat, List[BitPat])] = opmvx.map(x => (x._1, x._2.generate()))
val opfvvTable: Array[(BitPat, List[BitPat])] = Array()
val opfvvTable: Array[(BitPat, List[BitPat])] = Array(
// OPFVV(fu: BitPat, fuOp: BitPat, fWen: Boolean, vWen: Boolean, mWen: Boolean, others: Any)
// 13.2. Vector Single-Width Floating-Point Add/Subtract Instructions
VFADD_VV -> OPFVV(SrcType.vp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFSUB_VV -> OPFVV(SrcType.vp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
// 13.3. Vector Widening Floating-Point Add/Subtract Instructions
VFWADD_VV -> OPFVV(SrcType.vp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFWSUB_VV -> OPFVV(SrcType.vp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFWADD_WV -> OPFVV(SrcType.vp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFWSUB_WV -> OPFVV(SrcType.vp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
// 13.4. Vector Single-Width Floating-Point Multiply/Divide Instructions
VFMUL_VV -> OPFVV(SrcType.vp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFDIV_VV -> OPFVV(SrcType.vp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
// 13.5. Vector Widening Floating-Point Multiply
VFWMUL_VV -> OPFVV(SrcType.vp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
// 13.6. Vector Single-Width Floating-Point Fused Multiply-Add Instructions
VFMACC_VV -> OPFVV(SrcType.vp, SrcType.vp, FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFNMACC_VV -> OPFVV(SrcType.vp, SrcType.vp, FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFMSAC_VV -> OPFVV(SrcType.vp, SrcType.vp, FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFNMSAC_VV -> OPFVV(SrcType.vp, SrcType.vp, FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFMADD_VV -> OPFVV(SrcType.vp, SrcType.vp, FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFNMADD_VV -> OPFVV(SrcType.vp, SrcType.vp, FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFMSUB_VV -> OPFVV(SrcType.vp, SrcType.vp, FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFNMSUB_VV -> OPFVV(SrcType.vp, SrcType.vp, FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
// 13.7. Vector Widening Floating-Point Fused Multiply-Add Instructions
VFWMACC_VV -> OPFVV(SrcType.vp, SrcType.vp, FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFWNMACC_VV -> OPFVV(SrcType.vp, SrcType.vp, FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFWMSAC_VV -> OPFVV(SrcType.vp, SrcType.vp, FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFWNMSAC_VV -> OPFVV(SrcType.vp, SrcType.vp, FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
// 13.8. Vector Floating-Point Square-Root Instruction
VFSQRT_V -> OPFVV(SrcType.X , SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
// 13.9. Vector Floating-Point Reciprocal Square-Root Estimate Instruction
VFRSQRT7_V -> OPFVV(SrcType.X , SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
// 13.10. Vector Floating-Point Reciprocal Estimate Instruction
VFREC7_V -> OPFVV(SrcType.X , SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
// 13.11. Vector Floating-Point MIN/MAX Instructions
VFMIN_VV -> OPFVV(SrcType.vp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFMAX_VV -> OPFVV(SrcType.vp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
// 13.12. Vector Floating-Point Sign-Injection Instructions
VFSGNJ_VV -> OPFVV(SrcType.vp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFSGNJN_VV -> OPFVV(SrcType.vp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFSGNJX_VV -> OPFVV(SrcType.vp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
// 13.13. Vector Floating-Point Compare Instructions
VMFEQ_VV -> OPFVV(SrcType.vp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VMFNE_VV -> OPFVV(SrcType.vp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VMFLT_VV -> OPFVV(SrcType.vp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VMFLE_VV -> OPFVV(SrcType.vp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
// 13.14. Vector Floating-Point Classify Instruction
VFCLASS_V -> OPFVV(SrcType.X , SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
// 13.17. Single-Width Floating-Point/Integer Type-Convert Instructions
VFCVT_XU_F_V -> OPFVV(SrcType.X , SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFCVT_X_F_V -> OPFVV(SrcType.X , SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFCVT_RTZ_XU_F_V -> OPFVV(SrcType.X , SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFCVT_RTZ_X_F_V -> OPFVV(SrcType.X , SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFCVT_F_XU_V -> OPFVV(SrcType.X , SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFCVT_F_X_V -> OPFVV(SrcType.X , SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
// 13.18. Widening Floating-Point/Integer Type-Convert Instructions
VFWCVT_XU_F_V -> OPFVV(SrcType.X , SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFWCVT_X_F_V -> OPFVV(SrcType.X , SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFWCVT_RTZ_XU_F_V -> OPFVV(SrcType.X , SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFWCVT_RTZ_X_F_V -> OPFVV(SrcType.X , SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFWCVT_F_XU_V -> OPFVV(SrcType.X , SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFWCVT_F_X_V -> OPFVV(SrcType.X , SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFWCVT_F_F_V -> OPFVV(SrcType.X , SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
// 13.19. Narrowing Floating-Point/Integer Type-Convert Instructions
VFNCVT_XU_F_W -> OPFVV(SrcType.X , SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFNCVT_X_F_W -> OPFVV(SrcType.X , SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFNCVT_RTZ_XU_F_W -> OPFVV(SrcType.X , SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFNCVT_RTZ_X_F_W -> OPFVV(SrcType.X , SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFNCVT_F_XU_W -> OPFVV(SrcType.X , SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFNCVT_F_X_W -> OPFVV(SrcType.X , SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFNCVT_F_F_W -> OPFVV(SrcType.X , SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFNCVT_ROD_F_F_W -> OPFVV(SrcType.X , SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
// 14.3. Vector Single-Width Floating-Point Reduction Instructions
VFREDOSUM_VS -> OPFVV(SrcType.vp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFREDUSUM_VS -> OPFVV(SrcType.vp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFREDMAX_VS -> OPFVV(SrcType.vp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFREDMIN_VS -> OPFVV(SrcType.vp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
// 14.4. Vector Widening Floating-Point Reduction Instructions
VFWREDOSUM_VS -> OPFVV(SrcType.vp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFWREDUSUM_VS -> OPFVV(SrcType.vp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
// 16.2. Floating-Point Scalar Move Instructions
VFMV_F_S -> OPFVV(SrcType.vp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),// f[rd] = vs2[0] (rs1=0)
)
val opfvfTable: Array[(BitPat, List[BitPat])] = Array(
VFADD_VF -> OPFVF(FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VMFEQ_VF -> OPFVF(FuType.vfpu, VfpuType.dummy, F, F, T).generate(),
// 13.2. Vector Single-Width Floating-Point Add/Subtract Instructions
VFADD_VF -> OPFVF(SrcType.fp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFSUB_VF -> OPFVF(SrcType.fp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFRSUB_VF -> OPFVF(SrcType.fp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
// 13.3. Vector Widening Floating-Point Add/Subtract Instructions
VFWADD_VF -> OPFVF(SrcType.fp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFWSUB_VF -> OPFVF(SrcType.fp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFWADD_WF -> OPFVF(SrcType.fp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFWSUB_WF -> OPFVF(SrcType.fp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
// 13.4. Vector Single-Width Floating-Point Multiply/Divide Instructions
VFMUL_VF -> OPFVF(SrcType.fp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFDIV_VF -> OPFVF(SrcType.fp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFRDIV_VF -> OPFVF(SrcType.fp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
// 13.5. Vector Widening Floating-Point Multiply
VFWMUL_VF -> OPFVF(SrcType.fp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
// 13.6. Vector Single-Width Floating-Point Fused Multiply-Add Instructions
VFMACC_VF -> OPFVF(SrcType.fp, SrcType.vp, FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFNMACC_VF -> OPFVF(SrcType.fp, SrcType.vp, FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFMSAC_VF -> OPFVF(SrcType.fp, SrcType.vp, FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFNMSAC_VF -> OPFVF(SrcType.fp, SrcType.vp, FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFMADD_VF -> OPFVF(SrcType.fp, SrcType.vp, FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFNMADD_VF -> OPFVF(SrcType.fp, SrcType.vp, FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFMSUB_VF -> OPFVF(SrcType.fp, SrcType.vp, FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFNMSUB_VF -> OPFVF(SrcType.fp, SrcType.vp, FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
// 13.7. Vector Widening Floating-Point Fused Multiply-Add Instructions
VFWMACC_VF -> OPFVF(SrcType.fp, SrcType.vp, FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFWNMACC_VF -> OPFVF(SrcType.fp, SrcType.vp, FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFWMSAC_VF -> OPFVF(SrcType.fp, SrcType.vp, FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFWNMSAC_VF -> OPFVF(SrcType.fp, SrcType.vp, FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
// 13.11. Vector Floating-Point MIN/MAX Instructions
VFMIN_VF -> OPFVF(SrcType.fp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFMAX_VF -> OPFVF(SrcType.fp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
// 13.12. Vector Floating-Point Sign-Injection Instructions
VFSGNJ_VF -> OPFVF(SrcType.fp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFSGNJN_VF -> OPFVF(SrcType.fp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
VFSGNJX_VF -> OPFVF(SrcType.fp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
// 13.13. Vector Floating-Point Compare Instructions
VMFEQ_VF -> OPFVF(SrcType.fp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, F, T).generate(),
VMFNE_VF -> OPFVF(SrcType.fp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, F, T).generate(),
VMFLT_VF -> OPFVF(SrcType.fp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, F, T).generate(),
VMFLE_VF -> OPFVF(SrcType.fp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, F, T).generate(),
VMFGT_VF -> OPFVF(SrcType.fp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, F, T).generate(),
VMFGE_VF -> OPFVF(SrcType.fp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, F, T).generate(),
// 13.15. Vector Floating-Point Merge Instruction
VFMERGE_VFM -> OPFVF(SrcType.fp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),
// 13.16. Vector Floating-Point Move Instruction
VFMV_V_F -> OPFVF(SrcType.X , SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),// src2=SrcType.X
// 16.2. Floating-Point Scalar Move Instructions
VFMV_S_F -> OPFVF(SrcType.fp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),// vs2=0
// 16.3.3. Vector Slide1up
// vslide1up.vx vd, vs2, rs1, vm # vd[0]=x[rs1], vd[i+1] = vs2[i]
VFSLIDE1UP_VF -> OPFVF(SrcType.fp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),// vd[0]=f[rs1], vd[i+1] = vs2[i]
// 16.3.4. Vector Slide1down Instruction
// vslide1down.vx vd, vs2, rs1, vm # vd[i] = vs2[i+1], vd[vl-1]=x[rs1]
VFSLIDE1DOWN_VF -> OPFVF(SrcType.fp, SrcType.X , FuType.vfpu, VfpuType.dummy, F, T, F).generate(),// vd[i] = vs2[i+1], vd[vl-1]=f[rs1]
)
val vsetTable: Array[(BitPat, List[BitPat])] = Array()
......
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