[llvm] [RISCV] Split sched classes for vrgather.vv and vrgatherei16.vv (PR #92768)
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Mon May 20 08:15:26 PDT 2024
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-backend-risc-v
Author: Michael Maitland (michaelmaitland)
<details>
<summary>Changes</summary>
These can behave different on a subtarget since EEW=16 and EMUL = (16/SEW)*LMUL for the indices in vs1.
---
Full diff: https://github.com/llvm/llvm-project/pull/92768.diff
5 Files Affected:
- (modified) llvm/lib/Target/RISCV/RISCVInstrInfoV.td (+3-2)
- (modified) llvm/lib/Target/RISCV/RISCVInstrInfoVPseudos.td (+2-2)
- (modified) llvm/lib/Target/RISCV/RISCVSchedSiFive7.td (+3)
- (modified) llvm/lib/Target/RISCV/RISCVSchedSiFiveP600.td (+4)
- (modified) llvm/lib/Target/RISCV/RISCVScheduleV.td (+6)
``````````diff
diff --git a/llvm/lib/Target/RISCV/RISCVInstrInfoV.td b/llvm/lib/Target/RISCV/RISCVInstrInfoV.td
index e68fb42ece9f0..6f71ec5525e39 100644
--- a/llvm/lib/Target/RISCV/RISCVInstrInfoV.td
+++ b/llvm/lib/Target/RISCV/RISCVInstrInfoV.td
@@ -1677,8 +1677,9 @@ let Predicates = [HasVInstructions] in {
let Constraints = "@earlyclobber $vd", RVVConstraint = Vrgather in {
defm VRGATHER_V : VGTR_IV_V_X_I<"vrgather", 0b001100>;
def VRGATHEREI16_VV : VALUVV<0b001110, OPIVV, "vrgatherei16.vv">,
- SchedBinaryMC<"WriteVRGatherVV", "ReadVRGatherVV_data",
- "ReadVRGatherVV_index">;
+ SchedBinaryMC<"WriteVRGatherVVEEW",
+ "ReadVRGatherVVEEW_data",
+ "ReadVRGatherVVEEW_index">;
} // Constraints = "@earlyclobber $vd", RVVConstraint = Vrgather
// Vector Compress Instruction
diff --git a/llvm/lib/Target/RISCV/RISCVInstrInfoVPseudos.td b/llvm/lib/Target/RISCV/RISCVInstrInfoVPseudos.td
index 317a6d7d4c52f..6f5f66fc2c94a 100644
--- a/llvm/lib/Target/RISCV/RISCVInstrInfoVPseudos.td
+++ b/llvm/lib/Target/RISCV/RISCVInstrInfoVPseudos.td
@@ -2264,8 +2264,8 @@ multiclass VPseudoVGTR_VV_EEW<int eew, string Constraint = ""> {
defm _VV
: VPseudoBinaryEmul<m.vrclass, m.vrclass, emul.vrclass, m, emul,
Constraint, e>,
- SchedBinary<"WriteVRGatherVV", "ReadVRGatherVV_data",
- "ReadVRGatherVV_index", mx, e, forceMergeOpRead=true>;
+ SchedBinary<"WriteVRGatherVVEEW", "ReadVRGatherVVEEW_data",
+ "ReadVRGatherVVEEW_index", mx, e, forceMergeOpRead=true>;
}
}
}
diff --git a/llvm/lib/Target/RISCV/RISCVSchedSiFive7.td b/llvm/lib/Target/RISCV/RISCVSchedSiFive7.td
index e67da839bdb87..269982f8af794 100644
--- a/llvm/lib/Target/RISCV/RISCVSchedSiFive7.td
+++ b/llvm/lib/Target/RISCV/RISCVSchedSiFive7.td
@@ -928,6 +928,7 @@ foreach mx = SchedMxList in {
defvar IsWorstCase = SiFive7IsWorstCaseMXSEW<mx, sew, SchedMxList>.c;
let Latency = !add(Cycles, 3), AcquireAtCycles = [0, 1], ReleaseAtCycles = [1, !add(1, Cycles)] in {
defm "" : LMULSEWWriteResMXSEW<"WriteVRGatherVV", [SiFive7VCQ, SiFive7VA], mx, sew, IsWorstCase>;
+ defm "" : LMULSEWWriteResMXSEW<"WriteVRGatherVVEEW", [SiFive7VCQ, SiFive7VA], mx, sew, IsWorstCase>;
defm "" : LMULSEWWriteResMXSEW<"WriteVCompressV", [SiFive7VCQ, SiFive7VA], mx, sew, IsWorstCase>;
}
}
@@ -1272,6 +1273,8 @@ defm "" : LMULReadAdvance<"ReadVFSlideV", 0>;
defm "" : LMULReadAdvance<"ReadVFSlideF", 0>;
defm "" : LMULSEWReadAdvance<"ReadVRGatherVV_data", 0>;
defm "" : LMULSEWReadAdvance<"ReadVRGatherVV_index", 0>;
+defm "" : LMULSEWReadAdvance<"ReadVRGatherVVEEW_data", 0>;
+defm "" : LMULSEWReadAdvance<"ReadVRGatherVVEEW_index", 0>;
defm "" : LMULReadAdvance<"ReadVRGatherVX_data", 0>;
defm "" : LMULReadAdvance<"ReadVRGatherVX_index", 0>;
defm "" : LMULReadAdvance<"ReadVRGatherVI_data", 0>;
diff --git a/llvm/lib/Target/RISCV/RISCVSchedSiFiveP600.td b/llvm/lib/Target/RISCV/RISCVSchedSiFiveP600.td
index 6ba299385f07e..388432ff1b37a 100644
--- a/llvm/lib/Target/RISCV/RISCVSchedSiFiveP600.td
+++ b/llvm/lib/Target/RISCV/RISCVSchedSiFiveP600.td
@@ -714,6 +714,7 @@ foreach mx = ["MF8", "MF4", "MF2", "M1"] in {
defvar IsWorstCase = SiFiveP600IsWorstCaseMX<mx, SchedMxList>.c;
let Latency = 3, ReleaseAtCycles = [1] in {
defm "" : LMULSEWWriteResMXSEW<"WriteVRGatherVV", [SiFiveP600VEXQ1], mx, sew, IsWorstCase>;
+ defm "" : LMULSEWWriteResMXSEW<"WriteVRGatherVVEEW", [SiFiveP600VEXQ1], mx, sew, IsWorstCase>;
defm "" : LMULSEWWriteResMXSEW<"WriteVCompressV", [SiFiveP600VEXQ1], mx, sew, IsWorstCase>;
}
}
@@ -734,6 +735,7 @@ foreach mx = ["M2", "M4", "M8"] in {
defvar IsWorstCase = SiFiveP600IsWorstCaseMXSEW<mx, sew, SchedMxList>.c;
let Latency = 6, ReleaseAtCycles = [LMulLat] in {
defm "" : LMULSEWWriteResMXSEW<"WriteVRGatherVV", [SiFiveP600VEXQ1], mx, sew, IsWorstCase>;
+ defm "" : LMULSEWWriteResMXSEW<"WriteVRGatherVVEEW", [SiFiveP600VEXQ1], mx, sew, IsWorstCase>;
defm "" : LMULSEWWriteResMXSEW<"WriteVCompressV", [SiFiveP600VEXQ1], mx, sew, IsWorstCase>;
}
}
@@ -1069,6 +1071,8 @@ defm "" : LMULReadAdvance<"ReadVFSlideV", 0>;
defm "" : LMULReadAdvance<"ReadVFSlideF", 0>;
defm "" : LMULSEWReadAdvance<"ReadVRGatherVV_data", 0>;
defm "" : LMULSEWReadAdvance<"ReadVRGatherVV_index", 0>;
+defm "" : LMULSEWReadAdvance<"ReadVRGatherVVEEW_data", 0>;
+defm "" : LMULSEWReadAdvance<"ReadVRGatherVVEEW_index", 0>;
defm "" : LMULReadAdvance<"ReadVRGatherVX_data", 0>;
defm "" : LMULReadAdvance<"ReadVRGatherVX_index", 0>;
defm "" : LMULReadAdvance<"ReadVRGatherVI_data", 0>;
diff --git a/llvm/lib/Target/RISCV/RISCVScheduleV.td b/llvm/lib/Target/RISCV/RISCVScheduleV.td
index 5be06d4c3f7e7..2d5989e95cc53 100644
--- a/llvm/lib/Target/RISCV/RISCVScheduleV.td
+++ b/llvm/lib/Target/RISCV/RISCVScheduleV.td
@@ -520,6 +520,7 @@ defm "" : LMULSchedWrites<"WriteVISlide1X">;
defm "" : LMULSchedWrites<"WriteVFSlide1F">;
// 16.4. Vector Register Gather Instructions
defm "" : LMULSEWSchedWrites<"WriteVRGatherVV">;
+defm "" : LMULSEWSchedWrites<"WriteVRGatherVVEEW">;
defm "" : LMULSchedWrites<"WriteVRGatherVX">;
defm "" : LMULSchedWrites<"WriteVRGatherVI">;
// 16.5. Vector Compress Instruction
@@ -748,6 +749,8 @@ defm "" : LMULSchedReads<"ReadVFSlideF">;
// 16.4. Vector Register Gather Instructions
defm "" : LMULSEWSchedReads<"ReadVRGatherVV_data">;
defm "" : LMULSEWSchedReads<"ReadVRGatherVV_index">;
+defm "" : LMULSEWSchedReads<"ReadVRGatherVVEEW_data">;
+defm "" : LMULSEWSchedReads<"ReadVRGatherVVEEW_index">;
defm "" : LMULSchedReads<"ReadVRGatherVX_data">;
defm "" : LMULSchedReads<"ReadVRGatherVX_index">;
defm "" : LMULSchedReads<"ReadVRGatherVI_data">;
@@ -954,6 +957,7 @@ defm "" : LMULWriteRes<"WriteVISlideI", []>;
defm "" : LMULWriteRes<"WriteVISlide1X", []>;
defm "" : LMULWriteRes<"WriteVFSlide1F", []>;
defm "" : LMULSEWWriteRes<"WriteVRGatherVV", []>;
+defm "" : LMULSEWWriteRes<"WriteVRGatherVVEEW", []>;
defm "" : LMULWriteRes<"WriteVRGatherVX", []>;
defm "" : LMULWriteRes<"WriteVRGatherVI", []>;
defm "" : LMULSEWWriteRes<"WriteVCompressV", []>;
@@ -1118,6 +1122,8 @@ defm "" : LMULReadAdvance<"ReadVFSlideV", 0>;
defm "" : LMULReadAdvance<"ReadVFSlideF", 0>;
defm "" : LMULSEWReadAdvance<"ReadVRGatherVV_data", 0>;
defm "" : LMULSEWReadAdvance<"ReadVRGatherVV_index", 0>;
+defm "" : LMULSEWReadAdvance<"ReadVRGatherVVEEW_data", 0>;
+defm "" : LMULSEWReadAdvance<"ReadVRGatherVVEEW_index", 0>;
defm "" : LMULReadAdvance<"ReadVRGatherVX_data", 0>;
defm "" : LMULReadAdvance<"ReadVRGatherVX_index", 0>;
defm "" : LMULReadAdvance<"ReadVRGatherVI_data", 0>;
``````````
</details>
https://github.com/llvm/llvm-project/pull/92768
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