From 9812b121db0474a78d92896f76b51a48b2271366 Mon Sep 17 00:00:00 2001
From: Anton Sidorenko <anton.sidorenko@syntacore.com>
Date: Tue, 18 Jun 2024 18:57:43 +0300
Subject: [PATCH] [RISCV][NFC] Add UnsupportedSched<F|D|A> multiclasses

These multiclasses will be used by new processors (e.g.
https://github.com/llvm/llvm-project/pull/95427)
---
 .../Target/RISCV/RISCVSchedSyntacoreSCR1.td   | 100 +----------------
 llvm/lib/Target/RISCV/RISCVSchedule.td        | 104 ++++++++++++++++++
 2 files changed, 108 insertions(+), 96 deletions(-)

diff --git a/llvm/lib/Target/RISCV/RISCVSchedSyntacoreSCR1.td b/llvm/lib/Target/RISCV/RISCVSchedSyntacoreSCR1.td
index 31112d140cde7..84417c11abe5e 100644
--- a/llvm/lib/Target/RISCV/RISCVSchedSyntacoreSCR1.td
+++ b/llvm/lib/Target/RISCV/RISCVSchedSyntacoreSCR1.td
@@ -76,58 +76,6 @@ def : WriteRes<WriteLDW, [SCR1_LSU]>;
 def : WriteRes<WriteLDD, [SCR1_LSU]>;
 }
 
-let Unsupported = true in {
-// Atomic memory
-def : WriteRes<WriteAtomicW, [SCR1_LSU]>;
-def : WriteRes<WriteAtomicD, [SCR1_LSU]>;
-def : WriteRes<WriteAtomicLDW, [SCR1_LSU]>;
-def : WriteRes<WriteAtomicLDD, [SCR1_LSU]>;
-def : WriteRes<WriteAtomicSTW, [SCR1_LSU]>;
-def : WriteRes<WriteAtomicSTD, [SCR1_LSU]>;
-
-// FP load/store
-def : WriteRes<WriteFST32, [SCR1_LSU]>;
-def : WriteRes<WriteFST64, [SCR1_LSU]>;
-def : WriteRes<WriteFLD32, [SCR1_LSU]>;
-def : WriteRes<WriteFLD64, [SCR1_LSU]>;
-
-// FP instructions
-def : WriteRes<WriteFAdd32, []>;
-def : WriteRes<WriteFSGNJ32, []>;
-def : WriteRes<WriteFMinMax32, []>;
-def : WriteRes<WriteFAdd64, []>;
-def : WriteRes<WriteFSGNJ64, []>;
-def : WriteRes<WriteFMinMax64, []>;
-def : WriteRes<WriteFCvtI32ToF32, []>;
-def : WriteRes<WriteFCvtI32ToF64, []>;
-def : WriteRes<WriteFCvtI64ToF32, []>;
-def : WriteRes<WriteFCvtI64ToF64, []>;
-def : WriteRes<WriteFCvtF32ToI32, []>;
-def : WriteRes<WriteFCvtF32ToI64, []>;
-def : WriteRes<WriteFCvtF64ToI32, []>;
-def : WriteRes<WriteFCvtF64ToI64, []>;
-def : WriteRes<WriteFCvtF32ToF64, []>;
-def : WriteRes<WriteFCvtF64ToF32, []>;
-def : WriteRes<WriteFClass32, []>;
-def : WriteRes<WriteFClass64, []>;
-def : WriteRes<WriteFCmp32, []>;
-def : WriteRes<WriteFCmp64, []>;
-def : WriteRes<WriteFMovF32ToI32, []>;
-def : WriteRes<WriteFMovI32ToF32, []>;
-def : WriteRes<WriteFMovF64ToI64, []>;
-def : WriteRes<WriteFMovI64ToF64, []>;
-def : WriteRes<WriteFMul32, []>;
-def : WriteRes<WriteFMA32, []>;
-def : WriteRes<WriteFMul64, []>;
-def : WriteRes<WriteFMA64, []>;
-def : WriteRes<WriteFDiv32, []>;
-def : WriteRes<WriteFDiv64, []>;
-def : WriteRes<WriteFSqrt32, []>;
-def : WriteRes<WriteFSqrt64, []>;
-
-def : WriteRes<WriteSFB, []>;
-}
-
 // Others
 def : WriteRes<WriteCSR, []>;
 def : WriteRes<WriteNop, []>;
@@ -153,55 +101,15 @@ def : ReadAdvance<ReadIRem, 0>;
 def : ReadAdvance<ReadIRem32, 0>;
 def : ReadAdvance<ReadIMul, 0>;
 def : ReadAdvance<ReadIMul32, 0>;
-def : ReadAdvance<ReadAtomicWA, 0>;
-def : ReadAdvance<ReadAtomicWD, 0>;
-def : ReadAdvance<ReadAtomicDA, 0>;
-def : ReadAdvance<ReadAtomicDD, 0>;
-def : ReadAdvance<ReadAtomicLDW, 0>;
-def : ReadAdvance<ReadAtomicLDD, 0>;
-def : ReadAdvance<ReadAtomicSTW, 0>;
-def : ReadAdvance<ReadAtomicSTD, 0>;
-def : ReadAdvance<ReadFStoreData, 0>;
-def : ReadAdvance<ReadFMemBase, 0>;
-def : ReadAdvance<ReadFAdd32, 0>;
-def : ReadAdvance<ReadFAdd64, 0>;
-def : ReadAdvance<ReadFMul32, 0>;
-def : ReadAdvance<ReadFMul64, 0>;
-def : ReadAdvance<ReadFMA32, 0>;
-def : ReadAdvance<ReadFMA32Addend, 0>;
-def : ReadAdvance<ReadFMA64, 0>;
-def : ReadAdvance<ReadFMA64Addend, 0>;
-def : ReadAdvance<ReadFDiv32, 0>;
-def : ReadAdvance<ReadFDiv64, 0>;
-def : ReadAdvance<ReadFSqrt32, 0>;
-def : ReadAdvance<ReadFSqrt64, 0>;
-def : ReadAdvance<ReadFCmp32, 0>;
-def : ReadAdvance<ReadFCmp64, 0>;
-def : ReadAdvance<ReadFSGNJ32, 0>;
-def : ReadAdvance<ReadFSGNJ64, 0>;
-def : ReadAdvance<ReadFMinMax32, 0>;
-def : ReadAdvance<ReadFMinMax64, 0>;
-def : ReadAdvance<ReadFCvtF32ToI32, 0>;
-def : ReadAdvance<ReadFCvtF32ToI64, 0>;
-def : ReadAdvance<ReadFCvtF64ToI32, 0>;
-def : ReadAdvance<ReadFCvtF64ToI64, 0>;
-def : ReadAdvance<ReadFCvtI32ToF32, 0>;
-def : ReadAdvance<ReadFCvtI32ToF64, 0>;
-def : ReadAdvance<ReadFCvtI64ToF32, 0>;
-def : ReadAdvance<ReadFCvtI64ToF64, 0>;
-def : ReadAdvance<ReadFCvtF32ToF64, 0>;
-def : ReadAdvance<ReadFCvtF64ToF32, 0>;
-def : ReadAdvance<ReadFMovF32ToI32, 0>;
-def : ReadAdvance<ReadFMovI32ToF32, 0>;
-def : ReadAdvance<ReadFMovF64ToI64, 0>;
-def : ReadAdvance<ReadFMovI64ToF64, 0>;
-def : ReadAdvance<ReadFClass32, 0>;
-def : ReadAdvance<ReadFClass64, 0>;
 def : ReadAdvance<ReadSFBJmp, 0>;
 def : ReadAdvance<ReadSFBALU, 0>;
 
 //===----------------------------------------------------------------------===//
 // Unsupported extensions
+defm : UnsupportedSchedA;
+defm : UnsupportedSchedD;
+defm : UnsupportedSchedF;
+defm : UnsupportedSchedSFB;
 defm : UnsupportedSchedV;
 defm : UnsupportedSchedZabha;
 defm : UnsupportedSchedZba;
diff --git a/llvm/lib/Target/RISCV/RISCVSchedule.td b/llvm/lib/Target/RISCV/RISCVSchedule.td
index d9a2e38c0e9d7..1fdbc7cbcbaf4 100644
--- a/llvm/lib/Target/RISCV/RISCVSchedule.td
+++ b/llvm/lib/Target/RISCV/RISCVSchedule.td
@@ -257,6 +257,90 @@ def : ReadAdvance<ReadFSqrt16, 0>;
 } // Unsupported = true
 }
 
+multiclass UnsupportedSchedF {
+let Unsupported = true in {
+def : WriteRes<WriteFST32, []>;
+def : WriteRes<WriteFLD32, []>;
+def : WriteRes<WriteFAdd32, []>;
+def : WriteRes<WriteFSGNJ32, []>;
+def : WriteRes<WriteFMinMax32, []>;
+def : WriteRes<WriteFCvtI32ToF32, []>;
+def : WriteRes<WriteFCvtI64ToF32, []>;
+def : WriteRes<WriteFCvtF32ToI32, []>;
+def : WriteRes<WriteFCvtF32ToI64, []>;
+def : WriteRes<WriteFClass32, []>;
+def : WriteRes<WriteFCmp32, []>;
+def : WriteRes<WriteFMovF32ToI32, []>;
+def : WriteRes<WriteFMovI32ToF32, []>;
+def : WriteRes<WriteFMul32, []>;
+def : WriteRes<WriteFMA32, []>;
+def : WriteRes<WriteFDiv32, []>;
+def : WriteRes<WriteFSqrt32, []>;
+
+def : ReadAdvance<ReadFAdd32, 0>;
+def : ReadAdvance<ReadFMul32, 0>;
+def : ReadAdvance<ReadFMA32, 0>;
+def : ReadAdvance<ReadFMA32Addend, 0>;
+def : ReadAdvance<ReadFDiv32, 0>;
+def : ReadAdvance<ReadFSqrt32, 0>;
+def : ReadAdvance<ReadFCmp32, 0>;
+def : ReadAdvance<ReadFSGNJ32, 0>;
+def : ReadAdvance<ReadFMinMax32, 0>;
+def : ReadAdvance<ReadFCvtF32ToI32, 0>;
+def : ReadAdvance<ReadFCvtF32ToI64, 0>;
+def : ReadAdvance<ReadFCvtI32ToF32, 0>;
+def : ReadAdvance<ReadFCvtI64ToF32, 0>;
+def : ReadAdvance<ReadFMovF32ToI32, 0>;
+def : ReadAdvance<ReadFMovI32ToF32, 0>;
+def : ReadAdvance<ReadFClass32, 0>;
+def : ReadAdvance<ReadFStoreData, 0>;
+def : ReadAdvance<ReadFMemBase, 0>;
+} // Unsupported = true
+}
+
+multiclass UnsupportedSchedD {
+let Unsupported = true in {
+def : WriteRes<WriteFST64, []>;
+def : WriteRes<WriteFLD64, []>;
+def : WriteRes<WriteFAdd64, []>;
+def : WriteRes<WriteFSGNJ64, []>;
+def : WriteRes<WriteFMinMax64, []>;
+def : WriteRes<WriteFCvtI32ToF64, []>;
+def : WriteRes<WriteFCvtI64ToF64, []>;
+def : WriteRes<WriteFCvtF64ToI32, []>;
+def : WriteRes<WriteFCvtF64ToI64, []>;
+def : WriteRes<WriteFCvtF32ToF64, []>;
+def : WriteRes<WriteFCvtF64ToF32, []>;
+def : WriteRes<WriteFClass64, []>;
+def : WriteRes<WriteFCmp64, []>;
+def : WriteRes<WriteFMovF64ToI64, []>;
+def : WriteRes<WriteFMovI64ToF64, []>;
+def : WriteRes<WriteFMul64, []>;
+def : WriteRes<WriteFMA64, []>;
+def : WriteRes<WriteFDiv64, []>;
+def : WriteRes<WriteFSqrt64, []>;
+
+def : ReadAdvance<ReadFAdd64, 0>;
+def : ReadAdvance<ReadFMul64, 0>;
+def : ReadAdvance<ReadFMA64, 0>;
+def : ReadAdvance<ReadFMA64Addend, 0>;
+def : ReadAdvance<ReadFDiv64, 0>;
+def : ReadAdvance<ReadFSqrt64, 0>;
+def : ReadAdvance<ReadFCmp64, 0>;
+def : ReadAdvance<ReadFSGNJ64, 0>;
+def : ReadAdvance<ReadFMinMax64, 0>;
+def : ReadAdvance<ReadFCvtF64ToI32, 0>;
+def : ReadAdvance<ReadFCvtF64ToI64, 0>;
+def : ReadAdvance<ReadFCvtI32ToF64, 0>;
+def : ReadAdvance<ReadFCvtI64ToF64, 0>;
+def : ReadAdvance<ReadFCvtF32ToF64, 0>;
+def : ReadAdvance<ReadFCvtF64ToF32, 0>;
+def : ReadAdvance<ReadFMovF64ToI64, 0>;
+def : ReadAdvance<ReadFMovI64ToF64, 0>;
+def : ReadAdvance<ReadFClass64, 0>;
+} // Unsupported = true
+}
+
 multiclass UnsupportedSchedSFB {
 let Unsupported = true in {
 def : WriteRes<WriteSFB, []>;
@@ -293,6 +377,26 @@ def : ReadAdvance<ReadAtomicHD, 0>;
 } // Unsupported = true
 }
 
+multiclass UnsupportedSchedA {
+let Unsupported = true in {
+def : WriteRes<WriteAtomicW, []>;
+def : WriteRes<WriteAtomicD, []>;
+def : WriteRes<WriteAtomicLDW, []>;
+def : WriteRes<WriteAtomicLDD, []>;
+def : WriteRes<WriteAtomicSTW, []>;
+def : WriteRes<WriteAtomicSTD, []>;
+
+def : ReadAdvance<ReadAtomicWA, 0>;
+def : ReadAdvance<ReadAtomicWD, 0>;
+def : ReadAdvance<ReadAtomicDA, 0>;
+def : ReadAdvance<ReadAtomicDD, 0>;
+def : ReadAdvance<ReadAtomicLDW, 0>;
+def : ReadAdvance<ReadAtomicLDD, 0>;
+def : ReadAdvance<ReadAtomicSTW, 0>;
+def : ReadAdvance<ReadAtomicSTD, 0>;
+} // Unsupported = true
+}
+
 // Include the scheduler resources for other instruction extensions.
 include "RISCVScheduleZb.td"
 include "RISCVScheduleV.td"