[llvm] [RISCV] Move DecoderNamespace in RISCVInstrInfoXCV.td to the Instruction defs. NFC (PR #130800)
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llvm-commits at lists.llvm.org
Tue Mar 11 09:55:21 PDT 2025
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-backend-risc-v
Author: Craig Topper (topperc)
<details>
<summary>Changes</summary>
This puts them in the same place as the Predicates. I'd like to have a single DecoderNamespace scope for all the instruction defs, but we need to reorder the classes and InstAliases away from the defs to do that.
---
Full diff: https://github.com/llvm/llvm-project/pull/130800.diff
1 Files Affected:
- (modified) llvm/lib/Target/RISCV/RISCVInstrInfoXCV.td (+14-29)
``````````diff
diff --git a/llvm/lib/Target/RISCV/RISCVInstrInfoXCV.td b/llvm/lib/Target/RISCV/RISCVInstrInfoXCV.td
index dedc9f2af9b9e..344b8e13ba2ae 100644
--- a/llvm/lib/Target/RISCV/RISCVInstrInfoXCV.td
+++ b/llvm/lib/Target/RISCV/RISCVInstrInfoXCV.td
@@ -10,8 +10,7 @@
//
//===----------------------------------------------------------------------===//
-let DecoderNamespace = "XCV",
- hasSideEffects = 0, mayLoad = 0, mayStore = 0 in {
+let hasSideEffects = 0, mayLoad = 0, mayStore = 0 in {
class CVInstBitManipRII<bits<2> funct2, bits<3> funct3, dag outs, dag ins,
string opcodestr, string argstr>
: RVInstIBase<funct3, OPC_CUSTOM_2, outs, ins, opcodestr, argstr> {
@@ -37,9 +36,9 @@ let DecoderNamespace = "XCV",
(ins GPR:$rs1), opcodestr, "$rd, $rs1"> {
let rs2 = 0b00000;
}
-} // DecoderNamespace = "XCV", hasSideEffects = 0, mayLoad = 0, mayStore = 0
+} // hasSideEffects = 0, mayLoad = 0, mayStore = 0
-let Predicates = [HasVendorXCVbitmanip, IsRV32] in {
+let Predicates = [HasVendorXCVbitmanip, IsRV32], DecoderNamespace = "XCV" in {
def CV_EXTRACT : CVBitManipRII<0b00, 0b000, "cv.extract">;
def CV_EXTRACTU : CVBitManipRII<0b01, 0b000, "cv.extractu">;
@@ -54,8 +53,7 @@ let Predicates = [HasVendorXCVbitmanip, IsRV32] in {
def CV_INSERT : CVInstBitManipRII<0b10, 0b000, (outs GPR:$rd_wb),
(ins GPR:$rd, GPR:$rs1, uimm5:$is3, uimm5:$is2),
"cv.insert", "$rd, $rs1, $is3, $is2">;
- let DecoderNamespace = "XCV",
- hasSideEffects = 0, mayLoad = 0, mayStore = 0 in
+ let hasSideEffects = 0, mayLoad = 0, mayStore = 0 in
def CV_INSERTR : RVInstR<0b0011010, 0b011, OPC_CUSTOM_1, (outs GPR:$rd_wb),
(ins GPR:$rd, GPR:$rs1, GPR:$rs2),
"cv.insertr", "$rd, $rs1, $rs2">;
@@ -79,7 +77,6 @@ class CVInstMac<bits<7> funct7, bits<3> funct3, string opcodestr>
let hasSideEffects = 0;
let mayLoad = 0;
let mayStore = 0;
- let DecoderNamespace = "XCV";
}
class CVInstMacMulN<bits<2> funct2, bits<3> funct3, dag outs, dag ins,
@@ -94,8 +91,6 @@ class CVInstMacMulN<bits<2> funct2, bits<3> funct3, dag outs, dag ins,
let hasSideEffects = 0;
let mayLoad = 0;
let mayStore = 0;
-
- let DecoderNamespace = "XCV";
}
class CVInstMacN<bits<2> funct2, bits<3> funct3, string opcodestr>
@@ -108,7 +103,7 @@ class CVInstMulN<bits<2> funct2, bits<3> funct3, string opcodestr>
: CVInstMacMulN<funct2, funct3, (outs GPR:$rd),
(ins GPR:$rs1, GPR:$rs2, uimm5:$imm5), opcodestr>;
-let Predicates = [HasVendorXCVmac, IsRV32] in {
+let Predicates = [HasVendorXCVmac, IsRV32], DecoderNamespace = "XCV" in {
// 32x32 bit macs
def CV_MAC : CVInstMac<0b1001000, 0b011, "cv.mac">,
Sched<[]>;
@@ -154,7 +149,9 @@ let Predicates = [HasVendorXCVmac, IsRV32] in {
Sched<[]>;
def CV_MULHHURN : CVInstMulN<0b11, 0b101, "cv.mulhhurn">,
Sched<[]>;
+} // Predicates = [HasVendorXCVmac, IsRV32], DecoderNamespace = "XCV"
+let Predicates = [HasVendorXCVmac, IsRV32] in {
// Xcvmac Pseudo Instructions
// Signed 16x16 bit muls
def : InstAlias<"cv.muls $rd1, $rs1, $rs2",
@@ -169,8 +166,7 @@ let Predicates = [HasVendorXCVmac, IsRV32] in {
(CV_MULHHUN GPR:$rd1, GPR:$rs1, GPR:$rs2, 0)>;
} // Predicates = [HasVendorXCVmac, IsRV32]
-let DecoderNamespace = "XCV",
- hasSideEffects = 0, mayLoad = 0, mayStore = 0 in {
+let hasSideEffects = 0, mayLoad = 0, mayStore = 0 in {
class CVInstAluRRI<bits<2> funct2, bits<3> funct3, string opcodestr>
: RVInstRBase<funct3, OPC_CUSTOM_2, (outs GPR:$rd),
(ins GPR:$rs1, GPR:$rs2, uimm5:$imm5), opcodestr,
@@ -206,10 +202,9 @@ let DecoderNamespace = "XCV",
opcodestr, "$rd, $rs1"> {
let rs2 = 0b00000;
}
+} // hasSideEffects = 0, mayLoad = 0, mayStore = 0
-} // DecoderNamespace = "XCV"
-
-let Predicates = [HasVendorXCValu, IsRV32] in {
+let Predicates = [HasVendorXCValu, IsRV32], DecoderNamespace = "XCV" in {
// General ALU Operations
def CV_ABS : CVInstAluR<0b0101000, 0b011, "cv.abs">,
Sched<[]>;
@@ -291,7 +286,6 @@ class CVInstSIMDRR<bits<5> funct5, bit F, bit funct1, bits<3> funct3,
let Inst{31-27} = funct5;
let Inst{26} = F;
let Inst{25} = funct1;
- let DecoderNamespace = "XCV";
}
class CVInstSIMDRI<bits<5> funct5, bit F, bits<3> funct3, RISCVOpcode opcode,
@@ -303,7 +297,6 @@ class CVInstSIMDRI<bits<5> funct5, bit F, bits<3> funct3, RISCVOpcode opcode,
let Inst{26} = F;
let Inst{25} = imm6{0}; // funct1 unused
let Inst{24-20} = imm6{5-1};
- let DecoderNamespace = "XCV";
}
let hasSideEffects = 0, mayLoad = 0, mayStore = 0 in {
@@ -392,7 +385,7 @@ multiclass CVSIMDBinaryUnsignedWb<bits<5> funct5, bit F, bit funct1, string mnem
}
-let Predicates = [HasVendorXCVsimd, IsRV32] in {
+let Predicates = [HasVendorXCVsimd, IsRV32], DecoderNamespace = "XCV" in {
defm ADD : CVSIMDBinarySigned<0b00000, 0, 0, "add">;
defm SUB : CVSIMDBinarySigned<0b00001, 0, 0, "sub">;
defm AVG : CVSIMDBinarySigned<0b00010, 0, 0, "avg">;
@@ -499,10 +492,9 @@ class CVInstImmBranch<bits<3> funct3, dag outs, dag ins,
let hasSideEffects = 0;
let mayLoad = 0;
let mayStore = 0;
- let DecoderNamespace = "XCV";
}
-let Predicates = [HasVendorXCVbi, IsRV32] in {
+let Predicates = [HasVendorXCVbi, IsRV32], DecoderNamespace = "XCV" in {
// Immediate branching operations
def CV_BEQIMM : CVInstImmBranch<0b110, (outs),
(ins GPR:$rs1, simm5:$imm5, simm13_lsb0:$imm12),
@@ -534,7 +526,6 @@ class CVLoad_ri_inc<bits<3> funct3, string opcodestr>
(ins GPRMem:$rs1, simm12:$imm12),
opcodestr, "$rd, (${rs1}), ${imm12}"> {
let Constraints = "$rs1_wb = $rs1";
- let DecoderNamespace = "XCV";
}
class CVLoad_rr_inc<bits<7> funct7, bits<3> funct3, string opcodestr>
@@ -542,7 +533,6 @@ class CVLoad_rr_inc<bits<7> funct7, bits<3> funct3, string opcodestr>
(ins GPRMem:$rs1, GPR:$rs2),
opcodestr, "$rd, (${rs1}), ${rs2}"> {
let Constraints = "$rs1_wb = $rs1";
- let DecoderNamespace = "XCV";
}
class CVLoad_rr<bits<7> funct7, bits<3> funct3, string opcodestr>
@@ -556,11 +546,10 @@ class CVLoad_rr<bits<7> funct7, bits<3> funct3, string opcodestr>
let Inst{19-15} = cvrr{9-5};
let Inst{14-12} = funct3;
let Inst{11-7} = rd;
- let DecoderNamespace = "XCV";
}
} // hasSideEffects = 0, mayLoad = 1, mayStore = 0
-let Predicates = [HasVendorXCVmem, IsRV32] in {
+let Predicates = [HasVendorXCVmem, IsRV32], DecoderNamespace = "XCV" in {
// Register-Immediate load with post-increment
def CV_LB_ri_inc : CVLoad_ri_inc<0b000, "cv.lb">;
def CV_LBU_ri_inc : CVLoad_ri_inc<0b100, "cv.lbu">;
@@ -589,7 +578,6 @@ class CVStore_ri_inc<bits<3> funct3, string opcodestr>
(ins GPR:$rs2, GPR:$rs1, simm12:$imm12),
opcodestr, "$rs2, (${rs1}), ${imm12}"> {
let Constraints = "$rs1_wb = $rs1";
- let DecoderNamespace = "XCV";
}
class CVStore_rr_inc<bits<3> funct3, bits<7> funct7, string opcodestr>
@@ -606,7 +594,6 @@ class CVStore_rr_inc<bits<3> funct3, bits<7> funct7, string opcodestr>
let Inst{11-7} = rs3;
let Inst{6-0} = OPC_CUSTOM_1.Value;
let Constraints = "$rs1_wb = $rs1";
- let DecoderNamespace = "XCV";
}
@@ -622,11 +609,10 @@ class CVStore_rr<bits<3> funct3, bits<7> funct7, string opcodestr>
let Inst{14-12} = funct3;
let Inst{11-7} = cvrr{4-0};
let Inst{6-0} = OPC_CUSTOM_1.Value;
- let DecoderNamespace = "XCV";
}
} // hasSideEffects = 0, mayLoad = 0, mayStore = 1
-let Predicates = [HasVendorXCVmem, IsRV32] in {
+let Predicates = [HasVendorXCVmem, IsRV32], DecoderNamespace = "XCV" in {
// Register-Immediate store with post-increment
def CV_SB_ri_inc : CVStore_ri_inc<0b000, "cv.sb">;
def CV_SH_ri_inc : CVStore_ri_inc<0b001, "cv.sh">;
@@ -643,7 +629,6 @@ let Predicates = [HasVendorXCVmem, IsRV32] in {
def CV_SW_rr : CVStore_rr<0b011, 0b0010110, "cv.sw">;
}
-let DecoderNamespace = "XCV" in
class CVLoad_ri<bits<3> funct3, string opcodestr>
: RVInstI<funct3, OPC_CUSTOM_0, (outs GPR:$rd),
(ins GPRMem:$rs1, simm12:$imm12), opcodestr, "$rd, ${imm12}(${rs1})">;
``````````
</details>
https://github.com/llvm/llvm-project/pull/130800
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