From 20390c0548d6eef2af67a363ee120a630267b741 Mon Sep 17 00:00:00 2001
From: ameerj <52414509+ameerj@users.noreply.github.com>
Date: Sun, 28 Feb 2021 23:33:53 -0500
Subject: shader: Implement IMNMX

---
 src/shader_recompiler/frontend/ir/ir_emitter.cpp | 16 ++++++++++++++++
 src/shader_recompiler/frontend/ir/ir_emitter.h   |  5 +++++
 src/shader_recompiler/frontend/ir/opcodes.inc    |  4 ++++
 3 files changed, 25 insertions(+)

(limited to 'src/shader_recompiler/frontend/ir')

diff --git a/src/shader_recompiler/frontend/ir/ir_emitter.cpp b/src/shader_recompiler/frontend/ir/ir_emitter.cpp
index 54fdf9559..04edcdfd8 100644
--- a/src/shader_recompiler/frontend/ir/ir_emitter.cpp
+++ b/src/shader_recompiler/frontend/ir/ir_emitter.cpp
@@ -816,6 +816,22 @@ U32 IREmitter::BitwiseNot(const U32& a) {
     return Inst<U32>(Opcode::BitwiseNot32, a);
 }
 
+U32 IREmitter::SMin(const U32& a, const U32& b) {
+    return Inst<U32>(Opcode::SMin32, a, b);
+}
+
+U32 IREmitter::UMin(const U32& a, const U32& b) {
+    return Inst<U32>(Opcode::UMin32, a, b);
+}
+
+U32 IREmitter::SMax(const U32& a, const U32& b) {
+    return Inst<U32>(Opcode::SMax32, a, b);
+}
+
+U32 IREmitter::UMax(const U32& a, const U32& b) {
+    return Inst<U32>(Opcode::UMax32, a, b);
+}
+
 U1 IREmitter::ILessThan(const U32& lhs, const U32& rhs, bool is_signed) {
     return Inst<U1>(is_signed ? Opcode::SLessThan : Opcode::ULessThan, lhs, rhs);
 }
diff --git a/src/shader_recompiler/frontend/ir/ir_emitter.h b/src/shader_recompiler/frontend/ir/ir_emitter.h
index 9dec22145..00ba2e4cd 100644
--- a/src/shader_recompiler/frontend/ir/ir_emitter.h
+++ b/src/shader_recompiler/frontend/ir/ir_emitter.h
@@ -163,6 +163,11 @@ public:
     [[nodiscard]] U32 BitCount(const U32& value);
     [[nodiscard]] U32 BitwiseNot(const U32& a);
 
+    [[nodiscard]] U32 SMin(const U32& a, const U32& b);
+    [[nodiscard]] U32 UMin(const U32& a, const U32& b);
+    [[nodiscard]] U32 SMax(const U32& a, const U32& b);
+    [[nodiscard]] U32 UMax(const U32& a, const U32& b);
+
     [[nodiscard]] U1 ILessThan(const U32& lhs, const U32& rhs, bool is_signed);
     [[nodiscard]] U1 IEqual(const U32& lhs, const U32& rhs);
     [[nodiscard]] U1 ILessThanEqual(const U32& lhs, const U32& rhs, bool is_signed);
diff --git a/src/shader_recompiler/frontend/ir/opcodes.inc b/src/shader_recompiler/frontend/ir/opcodes.inc
index 59a13e911..2c4a997dc 100644
--- a/src/shader_recompiler/frontend/ir/opcodes.inc
+++ b/src/shader_recompiler/frontend/ir/opcodes.inc
@@ -235,6 +235,10 @@ OPCODE(BitReverse32,                                        U32,            U32,
 OPCODE(BitCount32,                                          U32,            U32,                                                            )
 OPCODE(BitwiseNot32,                                        U32,            U32,                                                            )
 
+OPCODE(SMin32,                                              U32,            U32,            U32,                                            )
+OPCODE(UMin32,                                              U32,            U32,            U32,                                            )
+OPCODE(SMax32,                                              U32,            U32,            U32,                                            )
+OPCODE(UMax32,                                              U32,            U32,            U32,                                            )
 OPCODE(SLessThan,                                           U1,             U32,            U32,                                            )
 OPCODE(ULessThan,                                           U1,             U32,            U32,                                            )
 OPCODE(IEqual,                                              U1,             U32,            U32,                                            )
-- 
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