[llvm] f333841 - [RISCV] Add nf argument to VReg class instead overriding with a let. NFC (#131235)
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Fri Mar 14 12:55:08 PDT 2025
Author: Craig Topper
Date: 2025-03-14T12:55:05-07:00
New Revision: f333841844623dd49ab308c2303dccfbf15d003c
URL: https://github.com/llvm/llvm-project/commit/f333841844623dd49ab308c2303dccfbf15d003c
DIFF: https://github.com/llvm/llvm-project/commit/f333841844623dd49ab308c2303dccfbf15d003c.diff
LOG: [RISCV] Add nf argument to VReg class instead overriding with a let. NFC (#131235)
This treats nf consistently with LMul.
Added:
Modified:
llvm/lib/Target/RISCV/RISCVRegisterInfo.td
Removed:
################################################################################
diff --git a/llvm/lib/Target/RISCV/RISCVRegisterInfo.td b/llvm/lib/Target/RISCV/RISCVRegisterInfo.td
index 2e709ba5a5483..77523647fbbe0 100644
--- a/llvm/lib/Target/RISCV/RISCVRegisterInfo.td
+++ b/llvm/lib/Target/RISCV/RISCVRegisterInfo.td
@@ -710,12 +710,13 @@ foreach m = [1, 2, 4] in {
}
}
-class VReg<list<ValueType> regTypes, dag regList, int Vlmul>
+class VReg<list<ValueType> regTypes, dag regList, int Vlmul, int nf = 1>
: RISCVRegisterClass<regTypes,
64, // The maximum supported ELEN is 64.
regList> {
let IsVRegClass = 1;
let VLMul = Vlmul;
+ let NF = nf;
let Size = !mul(VLMul, NF, 64);
let CopyCost = !mul(VLMul, NF);
@@ -799,17 +800,15 @@ class VTupRegList<int LMUL, int NF> {
foreach m = LMULList in {
foreach nf = NFList<m>.L in {
- let NF = nf in {
- def "VRN" # nf # "M" # m # "NoV0"
- : VReg<VTupRegList<m, nf>.L,
- (add !cast<RegisterTuples>("VN" # nf # "M" # m # "NoV0")),
- m>;
- def "VRN" # nf # "M" # m
- : VReg<VTupRegList<m, nf>.L,
- (add !cast<RegisterTuples>("VN" # nf # "M" # m # "NoV0"),
- !cast<RegisterTuples>("VN" # nf # "M" # m # "V0")),
- m>;
- }
+ def "VRN" # nf # "M" # m # "NoV0"
+ : VReg<VTupRegList<m, nf>.L,
+ (add !cast<RegisterTuples>("VN" # nf # "M" # m # "NoV0")),
+ m, nf>;
+ def "VRN" # nf # "M" # m
+ : VReg<VTupRegList<m, nf>.L,
+ (add !cast<RegisterTuples>("VN" # nf # "M" # m # "NoV0"),
+ !cast<RegisterTuples>("VN" # nf # "M" # m # "V0")),
+ m, nf>;
}
}
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