Skip to content

[RISCV] Support floating point VCIX #67094

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Sep 25, 2023
Merged

[RISCV] Support floating point VCIX #67094

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
54 changes: 34 additions & 20 deletions llvm/lib/Target/RISCV/RISCVInstrInfoXSf.td
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -463,37 +463,51 @@ multiclass VPatVC_XVV<string intrinsic_suffix, string instruction_suffix,
wti.RegClass, vti.RegClass, kind, op1_kind>;
}

class GetFTypeInfo<int Sew> {
ValueType Scalar = !cond(!eq(Sew, 16) : f16,
!eq(Sew, 32) : f32,
!eq(Sew, 64) : f64);
RegisterClass ScalarRegClass = !cond(!eq(Sew, 16) : FPR16,
!eq(Sew, 32) : FPR32,
!eq(Sew, 64) : FPR64);

string ScalarSuffix = !cond(!eq(Scalar, f16) : "FPR16",
!eq(Scalar, f32) : "FPR32",
!eq(Scalar, f64) : "FPR64");
}

let Predicates = [HasVendorXSfvcp] in {
foreach vti = AllIntegerVectors in {
defm : VPatVC_X<"x", "X", vti, vti.Scalar, vti.ScalarRegClass>;
foreach vti = AllVectors in {
defm : VPatVC_X<"x", "X", vti, XLenVT, GPR>;
defm : VPatVC_X<"i", "I", vti, XLenVT, tsimm5>;
defm : VPatVC_XV<"xv", "XV", vti, vti.Scalar, vti.ScalarRegClass>;
defm : VPatVC_XV<"xv", "XV", vti, XLenVT, GPR>;
defm : VPatVC_XV<"iv", "IV", vti, XLenVT, tsimm5>;
defm : VPatVC_XV<"vv", "VV", vti, vti.Vector, vti.RegClass>;
defm : VPatVC_XVV<"xvv", "XVV", vti, vti, vti.Scalar, vti.ScalarRegClass>;
defm : VPatVC_XVV<"xvv", "XVV", vti, vti, XLenVT, GPR>;
defm : VPatVC_XVV<"ivv", "IVV", vti, vti, XLenVT, tsimm5>;
defm : VPatVC_XVV<"vvv", "VVV", vti, vti, vti.Vector, vti.RegClass>;

if !ne(vti.SEW, 8) then {
defvar finfo = GetFTypeInfo<vti.SEW>;
defm : VPatVC_XV<"fv", finfo.ScalarSuffix # "V", vti, finfo.Scalar,
finfo.ScalarRegClass, payload1>;
defm : VPatVC_XVV<"fvv", finfo.ScalarSuffix # "VV", vti, vti, finfo.Scalar,
finfo.ScalarRegClass, payload1>;
}
}
foreach fvti = AllFloatVectors in {
defvar ivti = GetIntVTypeInfo<fvti>.Vti;
defm : VPatVC_XV<"fv", fvti.ScalarSuffix # "V", ivti, fvti.Scalar,
fvti.ScalarRegClass, payload1>;
defm : VPatVC_XVV<"fvv", fvti.ScalarSuffix # "VV", ivti, ivti, fvti.Scalar,
fvti.ScalarRegClass, payload1>;
}
foreach VtiToWti = AllWidenableIntVectors in {
foreach VtiToWti = !listconcat(AllWidenableIntVectors, AllWidenableFloatVectors) in {
defvar vti = VtiToWti.Vti;
defvar wti = VtiToWti.Wti;
defm : VPatVC_XVV<"xvw", "XVW", wti, vti, vti.Scalar, vti.ScalarRegClass>;
defvar iinfo = GetIntVTypeInfo<vti>.Vti;
defm : VPatVC_XVV<"xvw", "XVW", wti, vti, iinfo.Scalar, iinfo.ScalarRegClass>;
defm : VPatVC_XVV<"ivw", "IVW", wti, vti, XLenVT, tsimm5>;
defm : VPatVC_XVV<"vvw", "VVW", wti, vti, vti.Vector, vti.RegClass>;
}
foreach VtiToWti = AllWidenableFloatVectors in {
defvar fvti = VtiToWti.Vti;
defvar iwti = GetIntVTypeInfo<VtiToWti.Wti>.Vti;
defvar ivti = GetIntVTypeInfo<fvti>.Vti;
defm : VPatVC_XVV<"fvw", fvti.ScalarSuffix # "VW", iwti, ivti, fvti.Scalar,
fvti.ScalarRegClass, payload1>;

if !ne(vti.SEW, 8) then {
defvar finfo = GetFTypeInfo<vti.SEW>;
defm : VPatVC_XVV<"fvw", finfo.ScalarSuffix # "VW", wti, vti, finfo.Scalar,
finfo.ScalarRegClass, payload1>;
}
}
}

Expand Down
Loading