From 69e1baa931dfa63838683378fa20ed9c46c68a70 Mon Sep 17 00:00:00 2001
From: Richard-Qin-X <richard.qin.001@gmail.com>
Date: Wed, 19 Aug 2026 03:19:40 +0800
Subject: [RISCV][GlobalISel] Match floating comparisons

---
 backend/include/rcc/CodeGen/GlobalISel/GIMatchTableExecutor.h | 1 +
 backend/include/rcc/TableGen/Record.h                         | 7 +++++++
 2 files changed, 8 insertions(+)

(limited to 'backend/include/rcc')

diff --git a/backend/include/rcc/CodeGen/GlobalISel/GIMatchTableExecutor.h b/backend/include/rcc/CodeGen/GlobalISel/GIMatchTableExecutor.h
index a5b8b8e..a8b4f44 100644
--- a/backend/include/rcc/CodeGen/GlobalISel/GIMatchTableExecutor.h
+++ b/backend/include/rcc/CodeGen/GlobalISel/GIMatchTableExecutor.h
@@ -37,6 +37,7 @@ enum class GIMatchTableOpcode : std::uint8_t {
   CheckOperandBank,
   CheckOperandClass,
   CheckIntegerPredicate,
+  CheckFloatingPredicate,
   CheckTargetPredicate,
   CheckOperandImmediateRanges,
   CheckOperandDefConstantRanges,
diff --git a/backend/include/rcc/TableGen/Record.h b/backend/include/rcc/TableGen/Record.h
index 449cb92..7039d9d 100644
--- a/backend/include/rcc/TableGen/Record.h
+++ b/backend/include/rcc/TableGen/Record.h
@@ -236,6 +236,12 @@ struct SourceSelectionIntegerPredicate final {
   TextRange Range;
 };
 
+struct SourceSelectionFloatingPredicate final {
+  std::uint32_t OperandIndex = 0;
+  std::string Predicate;
+  TextRange Range;
+};
+
 struct SourceSelectionTargetPredicate final {
   std::string Symbol;
   TextRange Range;
@@ -307,6 +313,7 @@ struct SourceSelectionRule final {
   std::string MatchOpcodeSymbol;
   std::optional<SourceSelectionTypePredicate> ResultType;
   std::optional<SourceSelectionIntegerPredicate> IntegerPredicate;
+  std::optional<SourceSelectionFloatingPredicate> FloatingPredicate;
   std::vector<SourceSelectionTargetPredicate> TargetPredicates;
   std::vector<SourceSelectionOperandTypePredicate> OperandTypes;
   std::vector<SourceSelectionOperandBankPredicate> OperandBanks;
-- 
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